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No

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6, P

hase

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Chha

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- 999

9464

663

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ode

:

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29 E

mai

l :

sale

s@pr

ecisi

onm

ass.

com

Wor

ks-1

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r. Hi

tesh

Par

mar

/Mr.

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sh P

arm

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lot

No.2

306,

Pha

se II

, GID

C Ch

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one-

932

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: 0

2764

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440

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ode

:

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mai

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H.GU

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code

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5600

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mai

l : i

nfo@

hgur

usou

th.c

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V Su

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Bab

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lot N

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984

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R G.

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ank

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api P

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SCIE

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PVT

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no. 5

3, S

hree

Man

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Com

plex

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Ghan

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NO.9

6, E

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and

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Page

351

of 4

94

4485

358

Sl

No

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ag

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am

eS

up

pli

er

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me

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mu

nic

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Lim

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SUB-

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S

3614

5-14

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A

TR

ANSM

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RS

V. A

UTOM

AT &

IN

TRUM

ENTS

(P) L

TD.

Mr.

R. K

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SI/M

r. PR

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N KU

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61, O

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A, P

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8100

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6 Pi

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0 02

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mai

l : s

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Wor

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AN S

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/ Mr.

NAND

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F-

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A,PH

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1944

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atan

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TOSH

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code

: 4

00 7

05 E

mai

l :

Kalp

esh.

chan

dan@

emer

son.

com

Page

352

of 4

94

4485

359

Sl

No

Pa

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ag

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Co

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up

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er

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code

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cont

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code

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one-

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com

, av

dhes

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A

JU

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T.LT

D.S

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dust

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LAY

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EXTN

2ND

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BA

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ne-

Pinc

ode

:

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ail :

su

chitr

a.in

dust

riesb

lr@gm

ail.c

om

Wor

ks-1

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ivas

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strie

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pp N

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, M

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DIA

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5

6009

4 E

mai

l : s

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tra_i

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com

5114

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A

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ode

:

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mai

l :

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flexp

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era@

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net

Page

353

of 4

94

4485

360

Sl

No

Pa

ck

ag

e

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de

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up

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fluid

cont

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com

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ail :

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tory

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d-ai

r.com

5614

5-32

000-

A

IN

STRU

MEN

TS T

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PREC

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N EN

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G IN

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ITAR

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. SRI

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ATE

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mai

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5814

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AX :

0

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1 E

mai

l :

nave

ensin

gh@

vsnl

.com

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all

finan

cial l

imit

for

orde

ring

as R

s.30

lacs

(R

s.Th

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Lacs

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A

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STRU

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IPE

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:

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ncod

e :

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r.com

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mai

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6214

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STRU

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mai

l :

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sindi

a.co

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Page

354

of 4

94

4485

361

Sl

No

Pa

ck

ag

e

Co

de

Pa

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ag

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am

eS

up

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ain

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haha

naw

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han

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No.

168

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/ 218

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na A

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ARAT

INDI

A Ph

one-

846

0848

087

FAX

: 2

764-

2670

36/3

7 Pi

ncod

e :

382

705

Em

ail :

dom

estic

@co

m-

fit.c

om

6814

5-45

000-

A

IN

STRU

MEN

T FI

TTIN

GS

FL

UIDF

IT E

NGIN

EERS

PV

T. L

TD.

Mr.

Abba

s Bh

ola

Potia

Bui

ldin

g No

. 2,

Offic

e No

. 3,2

92,

Bella

sis

Road

,Mum

bai C

entra

l (Ea

st)

Mum

bai

Phon

e- 9

9200

4411

3 Pi

ncod

e :

40

0008

Em

ail :

ab@

fluid

fiten

gg.c

om

Wor

ks-1

->M

r. Ab

bas

Bhol

a U

nit N

o. 1

6, S

upre

me

Indu

stria

l Est

ate,

Kam

an B

hiw

andi

Roa

d,De

vdal

, -Va

sai E

ast-

MAH

ARAS

HTRA

Indi

a Ph

one-

992

0044

113

FAX

:

0730

3178

243

Pinc

ode

: 4

0120

8 E

mai

l :

ab@

fluid

fiten

gg.c

om

6914

5-45

000-

A

IN

STRU

MEN

T FI

TTIN

GS

VI

KAS

INDU

STRI

AL

PROD

UCTS

S.R.

SING

H/NA

VEEN

SIN

GH B

- 2,

SE

CTOR

- 6,

N

OIDA

Pho

ne- +

91-

9810

1220

70 P

inco

de :

201

301

Em

ail

: na

veen

singh

@vs

nl.c

om

Wor

ks-1

->S.

R.SI

NGH/

NAV

EEN

SING

H B

- 2,

SEC

TOR

- 6, -

NOID

A-UT

TAR

PRAD

ESH

INDI

A Ph

one-

012

0-43

5294

0 F

AX :

0

120-

4352

940

Pinc

ode

: 2

0130

1 E

mai

l :

nave

ensin

gh@

vsnl

.com

Over

all

finan

cial l

imit

for

orde

ring

as R

s.30

lacs

(R

s.Th

irty

Lacs

).

7014

5-45

000-

A

IN

STRU

MEN

T FI

TTIN

GS

Fl

uid

Cont

rols

Pvt.

Ltd.

Soph

ie Y

. Moo

chha

la/M

ayur

Raj

put

J.V.

PATE

L, I.

T.I C

MPD

, B.M

ADHU

KAR

MAR

G, E

LPHI

NSTO

NE

ROAD

STN.

(WR)

, M

UMBA

I Pho

ne-

(022

) 433

3800

0 Pi

ncod

e :

400

013

Em

ail:

sale

s@flu

idco

ntro

lsco

m

Wor

ks-1

->M

r. Ta

nsen

Cho

udha

ri/M

r. M

ahes

h Da

reka

r Sh

ed N

o.8,

Lon

avla

Indl

.Co-

op.E

stat

e Lt

d,Na

garg

aon,

-Lo

navla

-MAH

ARAS

HTRA

INDI

A Ph

one-

982

3951

347

FAX

:

(021

14) 2

7113

2 Pi

ncod

e :

410

401

Em

ail :

fac

tory

@hy

d-ai

r.com

Page

355

of 4

94

4485

362

Sl

No

Pa

ck

ag

e

Co

de

Pa

ck

ag

e N

am

eS

up

pli

er

Na

me

Su

pp

lie

r C

om

mu

nic

ati

on

Ad

dre

ss

Su

pp

lie

r W

ork

s A

dd

ress

Te

ch

Lim

itFin

Lim

it

SUB-

VEND

OR L

IST

FOR

C&I I

TEM

S

7114

5-45

000-

A

IN

STRU

MEN

T FI

TTIN

GS

PA

NAM

ENG

INEE

RSM

r. Sa

ntos

h Sh

ukla

203

, Jai

singh

Bu

sines

s,Pa

rsiw

ada,

Sah

ar

road

,And

heri(

East

), M

umba

i, Ph

one-

98

9217

9529

, Pin

code

: 4

0009

9,

Emai

l :

sant

osh@

pana

men

gine

ers

com

Wor

ks-1

->M

r. Sa

ntos

h Sh

ukla

Oth

ers

R-62

8,TT

C In

dust

rial

Area

, MID

C R

abal

e, -N

avi M

umba

i-MAH

ARAS

HTRA

Indi

a Ph

one-

982

1350

761,

FAX

: 0

22-2

7695

559,

Pin

code

:

4007

01,

Emai

l : s

ales

@pa

nam

engi

neer

s.co

m

Not

es :-

i)

Th

e ab

ove

sub-

vend

or li

st is

tent

ativ

e &

for r

efer

ence

onl

y. H

owev

er S

ub-V

endo

r Lis

t is

subj

ect t

o BH

EL/ e

nd u

ser a

ppro

val w

ithou

t any

com

mer

cial

/ del

iver

y im

plic

atio

n.ii)

New

Sub

-Ven

dor i

f pro

pose

d by

Ven

dor d

urin

g co

ntra

ct s

tage

sha

ll be

sub

ject

to B

HEL

/ end

use

r app

rova

l with

out a

ny c

omm

erci

al/ d

eliv

ery

impl

icat

ion.

Page

356

of 4

94

4485

363

2X50

0 M

W T

UTI

CORI

N T

PP

(FG

D S

yste

m P

acka

ge)

HVA

C SY

STEM

TE

CHN

ICAL

SPE

CIFI

CATI

ON

(M

ATER

IAL

HAN

DLIN

G P

ORT

ION

)

SPEC

IFIC

ATIO

N N

o: P

E-TS

-483

-(57

1-13

000-

A)-A

001

SECT

ION

: I

SUB-

SECT

ION

: C

-5

REV.

00

SECT

ION

: I

SUB-

SECT

ION

: C-5

TE

CHN

ICAL

SPE

CIFI

CATI

ON

(MAT

ERIA

L H

AND

LIN

G)

Page

357

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

364

TECH

NIC

AL S

PECI

FICA

TIO

N

2X50

0 M

W T

UTI

CORI

N F

GD

Elec

tric

hoi

st a

nd C

hain

pul

ley

bloc

k

Mat

eria

l Han

dlin

g Eq

uipm

ents

Page

358

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

365

TECH

NIC

AL S

PECI

FICA

TIO

N

2X50

0 M

W T

UTI

CORI

N F

GD

Elec

tric

hoi

st a

nd C

hain

pul

ley

bloc

k

1.0

HAND

LING

REQ

UIR

EMEN

T:

Req

uire

d nu

mbe

r of e

lect

ric h

oist

/ m

anua

l hoi

st o

f ade

quat

e ca

paci

ty, t

o m

eet t

he

erec

tion

and

mai

nten

ance

requ

irem

ents

are

to b

e pr

ovid

ed fo

r the

var

ious

are

as.

DES

IGN

CR

ITER

IA

For

equi

pmen

t wei

ghin

g m

ore

than

250

Kg

and

up to

less

than

200

0 kg

with

lift

less

than

10

M, m

anua

l hoi

sts

(with

mon

o ra

il/ fi

xed

chai

n pu

lley

bloc

k ty

pe a

s pe

r la

yout

) sha

ll be

pro

vide

d.

C

apac

ity o

f man

ual (

Cha

in p

ulle

y bl

ock)

hoi

sts

shal

l be

deci

ded

keep

ing

20%

mar

gin

over

equ

ipm

ent t

o be

han

dled

.

For

hand

ope

rate

d ho

ists

, th

e ho

ists

sha

ll be

sui

tabl

e fo

r op

erat

ion

from

flo

or

leve

l. H

and

chai

n sh

all

be p

rovi

ded

for

long

tra

vel

of t

rolle

y an

d th

e H

oist

ing

mec

hani

sm.

MIN

IMUM

LIF

TING

REQ

UIR

EMEN

T

S.N

. AR

EA

DES

CR

IPTI

ON

QTY

(nos

) C

APAC

ITY

(T)

TYPE

1 AH

U R

OO

M1

( TEN

TATI

VE)

1 Bo

th w

ith a

nd

with

out

trav

ellin

g tr

olle

y as

pe

r th

e re

quire

men

t.

Not

e;

1.

Area

, ty

pe,

capa

city

men

tione

d ar

e m

inim

um r

equi

rem

ent

and

shal

l be

fin

alis

ed

durin

g de

tail

engi

neer

ing

with

out a

ny c

omm

erci

al im

plic

atio

n 2.

Tr

avel

and

Lift

are

layo

ut d

epen

dent

and

sha

ll be

fina

lised

dur

ing

deta

il en

gine

erin

g w

ithou

t any

com

mer

cial

impl

icat

ion

3.

Addi

tiona

l ele

ctric

/man

ual h

oist

req

uire

d du

ring

deta

il en

gine

erin

g sh

all b

e pr

ovid

ed

as p

er d

esig

n cr

iteria

giv

en a

bove

with

out a

ny c

omm

erci

al im

plic

atio

n.

2.0

SC

OPE

OF

SUPP

LIES

Equi

pmen

t an

d se

rvic

es to

be

furn

ishe

d by

the

bidd

er f

or th

e M

ANU

AL H

OIS

T w

ith

acce

ssor

ies

as p

er th

e de

tails

giv

en in

the

tech

nica

l spe

cific

atio

n an

d da

ta s

heet

A.

Any

equi

pmen

t / a

cces

sorie

s no

t spe

cifie

d in

the

spec

ifica

tion

but r

equi

red

to m

ake

the

MAN

UAL

HO

IST

com

plet

e an

d ef

ficie

nt o

pera

tion

shal

l als

o be

und

er th

e bi

dder

’s

scop

e of

wor

k.

C

ompl

ianc

e w

ith th

is s

peci

ficat

ion

shal

l not

rel

ieve

the

bidd

er o

f the

res

pons

ibilit

y of

fu

rnis

hing

mat

eria

l and

wor

kman

ship

to m

eet t

he s

peci

fied

wor

king

/dut

y co

nditi

ons.

2.1.

0 A.

M

anua

l hoi

st s

hall

incl

ude

but n

ot b

e lim

ited

to th

e fo

llow

ing:

a.

C

hain

pul

ley

bloc

ks w

ith/w

ithou

t tra

velin

g tro

lleys

b.

M

aint

enan

ce T

ools

and

Tac

kles

c.

Pa

intin

g

Page

359

of 4

94

4485

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PS

-PE

M-M

AX

366

TECH

NIC

AL S

PECI

FICA

TIO

N

2X50

0 M

W T

UTI

CORI

N F

GD

Elec

tric

hoi

st a

nd C

hain

pul

ley

bloc

k

2.2.

0 Se

rvic

es to

be

prov

ided

by

the

bidd

er

Pack

ing,

forw

ardi

ng a

nd tr

ansp

orta

tion

to s

ite, s

tora

ge a

nd h

andl

ing

at s

ite.

2.3.

0 Er

ectio

n an

d C

omm

issi

onin

g 2.

4.0

Func

tiona

l te

st (

Ove

rload

tes

ting,

loa

d te

stin

g at

rat

ed s

peed

, tra

vel

and

hois

ting

mot

ion

chec

ks a

s pe

r rel

evan

t des

ign

stan

dard

s)

2.5.

0 O

btai

ning

cl

eara

nce

and

acce

ptan

ce

certi

ficat

e fro

m

the

conc

erne

d co

mpe

tent

au

thor

ity a

fter s

ite te

st a

s ap

plic

able

. Nec

essa

ry fe

es/e

xpen

ditu

re a

s re

quire

d sh

all b

e bo

rne

by th

e su

pplie

r.

3.0

In

spec

tion

and

Test

ing

As p

er q

ualit

y pl

an a

ppro

ved

durin

g de

tail

engi

neer

ing.

Prim

e in

spec

tion

agen

cy s

hall

be B

HEL

. Eq

uipm

ent

supp

lied

shal

l be

stri

ctly

in a

ccor

danc

e w

ith n

omen

clat

ure

& te

chni

cal s

peci

ficat

ion.

4.0

Run

way

bea

m

Shal

l be

supp

lied

by c

ivil

cont

ract

or

5.0

PAIN

TING

SPE

CIF

ICAT

ION

As p

er p

aint

ing

spec

ifica

tion

incl

uded

.

6.0

PAC

KIN

G

As p

er p

acki

ng d

etai

ls s

peci

fied

else

whe

re in

spe

cific

atio

n.

7.0

DEM

ONS

TRAT

ION

TEST

Hoi

st a

long

with

its

driv

es, c

ontro

ls a

nd o

ther

acc

esso

ries

shal

l be

dem

onst

rate

d fo

r th

e ra

ted

capa

city

aga

inst

the

rate

d sp

eed

of m

otio

ns a

nd fo

r th

e se

rvic

e co

nditi

ons

spec

ified

as

spec

ified

in Q

AP a

nd a

s pe

r IS

3832

for m

anua

l hoi

st.

The

bidd

er s

hall

have

the

full

resp

onsi

bilit

y fo

r the

saf

e an

d ef

ficie

nt o

pera

tion

of th

e ho

ist w

ith a

ssoc

iate

d ac

cess

orie

s as

a s

ingl

e un

it.

If th

e sh

op p

erfo

rman

ce te

sts

indi

cate

the

failu

re o

f any

of t

he c

ompo

nent

s to

ach

ieve

th

e gu

aran

teed

per

form

ance

, the

def

icie

ncy

shal

l be

mad

e go

od a

t bid

der’s

cos

t.

Dem

onst

ratio

n te

sts

shal

l be

carri

ed o

ut e

ach

time

afte

r the

rect

ifica

tion

/mod

ifica

tion

is c

arrie

d ou

t.

8.0

MAK

E O

F SU

B -

VEND

OR

ITEM

S

Mak

es o

f bo

ught

out

item

s w

ill be

as

per

list s

peci

fied

in th

e sp

ecifi

catio

n. N

o ot

her

mak

e w

ill be

ac

cept

able

, un

til

and

unle

ss

spec

ifica

lly

got

it ap

prov

ed b

y th

e pu

rcha

ser/

end

clie

nt.

9.0

TEST

ING

AT

SITE

A) M

ANU

AL H

OIS

T:

As r

equi

red

for

stat

utor

y cl

eara

nce

for

oper

atin

g at

site

with

fol

low

ing

min

imum

test

i.e

., ov

erlo

ad a

nd lo

ad te

st.

Page

360

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

367

TECH

NIC

AL S

PECI

FICA

TIO

N

2X50

0 M

W T

UTI

CORI

N F

GD

Elec

tric

hoi

st a

nd C

hain

pul

ley

bloc

k

10.0

TEC

HNIC

AL D

ATA

SHEE

T:

A) M

ANU

AL H

OIS

T (C

HAI

N P

ULL

EY B

LOC

K):

C

OD

ES A

ND

STA

ND

ARD

S D

esig

n an

d du

ty o

f m

ain

hois

t & c

ross

trav

el m

achi

nery

sha

ll be

in a

ccor

danc

e w

ith

clas

s-2

as p

er IS

: 383

2 (la

test

edi

tion)

, for

indo

or d

uty

appl

icat

ion.

D

ESIG

N R

EQU

IREM

ENTS

�

Hoo

k sh

all b

e pl

ain

shan

k ty

pe a

nd s

hall

conf

orm

to IS

155

60.

� T

he h

ook

shal

l be

Swiv

elin

g ty

pe fi

tted

with

a lo

ckin

g de

vice

. �

The

cha

in p

ulle

y bl

ock

shal

l be

fitte

d w

ith a

n au

tom

atic

mec

hani

cal r

atch

et a

nd

paw

l arra

ngem

ent t

o pr

even

t sel

f- lo

wer

ing

of lo

ad.

� T

he c

hain

pul

ley

bloc

ks s

hall

be w

ith o

r w

ithou

t th

e tra

vellin

g tro

lley

depe

ndin

g up

on th

e la

yout

requ

irem

ent a

nd in

tend

ed u

se.

� H

oist

ing

and

trave

l mot

ion

(if a

pplic

able

) sha

ll be

thru

end

less

cha

ins.

�

Equ

ipm

ent s

hall

be d

esig

ned

for o

pera

tion

in n

on- h

azar

dous

are

a.

� L

oad

chai

n (w

here

app

licab

le)

shal

l be

of g

rade

T(8

) as

per

IS:6

216

and

Han

d ch

ain

shal

l be

as p

er IS

:212

9 (P

art-I

) gra

de 3

0.

�

Tro

lley

fram

e - C

ast s

teel

/ M

ild s

teel

�

Gea

rs (

Trol

ley)

-M

achi

ne c

ut c

ast

stee

l / F

orge

d st

eel /

C40

/ C

50

as p

er I

S 36

81/4

460

� T

rolle

y w

heel

- Fo

rged

/ c

ast

stee

l /

C40

with

min

imum

200

BHN

and

sin

gle

flang

ed to

sui

t sta

ndar

d I b

eam

sec

tion.

�

Bra

ke -

Scre

w a

nd d

isc

frict

ion

type

/Rat

chet

& p

awl t

ype

� P

aint

ing

shal

l be

as p

er m

anuf

actu

rer’s

sta

ndar

d �

Hoi

stin

g ef

fort

for h

oist

s up

to 3

tone

s ca

paci

ty s

hall

not b

e m

ore

than

20

kg.

� E

ffort

for

trolle

y m

otio

n fo

r ho

ists

upt

o 3

tonn

es c

apac

ity s

hall

not b

e m

ore

than

43

Kg.

11.0

M

aint

enan

ce T

ools

and

Tac

kles

One

(1)

com

plet

e un

used

new

set

of

spec

ial p

urpo

se to

ols,

tack

les

and

acce

ssor

ies

alon

g w

ith d

etai

led

inst

ruct

ions

and

mai

nten

ance

man

ual

shal

l be

sup

plie

d. T

ools

sha

ll be

of

suita

ble

size

s fo

r m

aint

enan

ce o

f el

ectri

c ho

ist

of e

ach

type

and

cap

acity

. Ea

ch t

ool a

nd

wre

nch

shal

l be

stam

ped

so a

s to

be

iden

tifie

d ea

sy fo

r its

use

. The

tool

s sh

all b

e su

pplie

d in

st

eel t

oolb

ox a

nd w

ith a

cop

y of

inst

ruct

ion

man

ual.

The

item

s su

pplie

d sh

all b

e of

the

best

qu

ality

, sp

ecia

lly p

rote

cted

aga

inst

rus

ting.

The

fol

low

ing

shal

l be

pro

vide

d as

min

imum

re

quire

men

t:

S-N

o.

Des

crip

tion

Qty

. 1

Com

plet

e se

t of r

ing

span

ners

(Ind

icat

e th

e si

zes

offe

red)

1

Set

2 C

ompl

ete

set o

f scr

ewdr

iver

s (In

dica

te th

e si

zes)

1

Set

3.

Adju

stab

le S

pann

er

1 N

o.

4.

Insu

late

d pl

ier

1 N

o.

5.

Gre

ase

gun

1

No.

Page

361

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

368

TECH

NIC

AL S

PECI

FICA

TIO

N

2X50

0 M

W T

UTI

CORI

N F

GD

Elec

tric

hoi

st a

nd C

hain

pul

ley

bloc

k

6.

Oil

gun

1

No.

7.

Li

ne te

ster

1 N

o.

Not

e: -T

he to

ols

shal

l be

supp

lied

in o

ne to

ol b

ox .B

idde

r sha

ll en

sure

that

the

tool

s &

tack

les

men

tione

d in

abo

ve li

st a

re s

uffic

ient

to

hand

le a

ll si

zes/

capa

citie

s of

hoi

sts

& in

cas

e an

y ot

her

/add

ition

al t

ool

is r

equi

red

for

hand

ling/

mai

nten

ance

any

siz

e/ca

paci

ty o

f ho

ist

the

sam

e sh

all b

e in

clud

ed in

this

list

.

12.0

DR

AWIN

G/D

OC

UMEN

T SU

BM

ISSI

ON

The

succ

essf

ul b

idde

r sha

ll su

bmit

the

follo

win

g dr

awin

gs /

docu

men

ts d

urin

g de

tail

engi

neer

ing

for c

usto

mer

’s a

ppro

val /

info

rmat

ion:

A)

MAN

UAL

HO

IST

(CH

AIN

PU

LLEY

BLO

CK)

: Sl

. No.

B

HEL

DR

G.N

O

DR

AWIN

G T

ITLE

1 PE

-V1-

483-

XXX-

A200

M

anuf

actu

ring

Qua

lity

Plan

2 PE

-V1-

483-

XXX-

A201

G

A D

raw

ing

for C

PB w

ith d

etai

l BO

M w

ith p

aint

ing

deta

ils

3 PE

-V1-

483-

XXX-

A202

O

& M

Man

ual i

nclu

ding

ere

ctio

n pr

oced

ure

Not

es;

STAN

DAR

D N

OTE

S FO

LLW

OED

FO

R M

AIN

PAC

KAG

E SH

ALL

BE

APPL

ICAB

LE

13.0

M

AKES

OF

CHA

IN P

ULLE

Y B

LOC

K A

S PE

R L

IST

BEL

OW

:

Note

: N

o ot

her

mak

e w

ill be

acc

epta

ble,

unt

il an

d un

less

spe

cific

ally

got

app

rove

d by

BH

EL/C

usto

mer

/ C

usto

mer

’s c

onsu

ltant

dur

ing

deta

il en

gine

erin

g on

ly.

Acce

ptan

ce/n

on

acce

ptan

ce o

f sam

e sh

all n

ot h

ave

any

impa

ct o

n m

anuf

actu

ring,

del

iver

y sc

hedu

le a

nd o

n co

st o

f the

Ele

ctric

hoi

sts

MAK

ES O

F SU

B V

END

OR

S IT

EMS

AS A

PPLI

CAB

LE T

O M

ANUA

L HO

IST:

Sl

no.

IT

EM

MAK

ES

1.0

ST

EEL

SA

IL/II

SCO

/TAT

A ST

EEL

/ JIN

DAL

2.

0

HO

OKS

ST

EEL

FOR

GIN

GS/

KA

RAC

HIW

ALA/

SMR

ITI/N

ASIK

FO

RG

E.

3.0

ST

EEL

FOR

GIN

GS

CH

OW

DH

ARY/

WES

TER

N IN

DIA

FO

RG

ING

S/

Pack

age

Nam

e Ve

ndor

Nam

e

CH

AIN

PU

LLEY

BL

OC

K

UN

IVER

SAL

HO

IST-

O-F

ABR

IK

CEN

TUR

Y C

RAN

E EN

GIN

EER

S PV

T. L

TD.

BAKE

LITE

ELE

CTR

ICAL

MFG

. CO

. PVT

. LTD

. TR

ACTE

L TI

RFO

R IN

DIA

PVT

. LTD

. BR

ADY

& M

OR

RIS

EN

GIN

EER

ING

CO

. LTD

. TU

OBR

O F

UR

GU

SON

(IN

DIA

) PVT

LTD

TE

CH

NO

IND

UST

RIE

S

Page

362

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

369

TECH

NIC

AL S

PECI

FICA

TIO

N

2X50

0 M

W T

UTI

CORI

N F

GD

Elec

tric

hoi

st a

nd C

hain

pul

ley

bloc

k

HIN

DU

STAN

STE

EL F

OR

GIN

GS/

RU

BY

FOR

GIN

GS

OR

AS

APPR

OVE

D B

Y BH

EL.

4.0

BR

AKES

O

EM

NOTE

: 1.

TH

E SU

B VE

ND

OR

LIS

T AB

OVE

IS IN

DIC

ATIV

E O

NLY

AN

D IS

SU

BJEC

T TO

BH

EL A

ND

C

UST

OM

ER

APPR

OVA

L D

UR

ING

D

ETAI

LED

EN

GIN

EER

ING

ST

AGE

WIT

HO

UT

ANY

CO

MM

ERC

IAL

& D

ELIV

ERY

IMPL

ICAT

ION

TO

BH

EL.

Page

363

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

370

MA

NU

FAC

TUR

ER’S

NA

ME

& A

DD

RESS

:

M

AN

UFA

CT

UR

ING

QU

AL

ITY

PL

AN

ITE

M :

Chai

n P

ull

ey B

lock

QP

No.

: P

E-T

S-X

XX

-XX

X-A

00

1

RE

V.:0,

Dat

e.:,

PAG

E:

1 O

F 4

PRO

JEC

T : 2

X 5

00M

W T

UTI

CO

RIN

TPP

(F

GD

SY

STEM

) PA

CK

AG

E : C

HA

IN P

UL

LEY

BL

OC

KS

V

OL

IIB

, SEC

C

Sr.

No.

1.

CO

MP

ON

EN

T /

OP

ER

AT

ION

2.

CH

AR

AC

TE

RIS

TIC

S

3.

CL

AS

S

4

.

TY

PE

OF

CH

EC

K

5.

QU

AN

TU

M

OF

C

HE

CK

6.

RE

FE

RE

NC

E

DO

CU

ME

NT

7.

AC

CE

PT

AN

CE

NO

RM

S

8

.

FO

RM

AT

OF

RE

CO

RD

9

.

AG

EN

CY

R

EM

AR

KS

11.

M

C

N

10

.

LE

GE

ND

: F

OR

CU

ST

OM

ER

US

E

**

M :

MA

NU

FA

CT

UR

ER

/ S

UB

-CO

NT

RA

CT

OR

MA

NU

FA

CT

UR

ER

/

C

ON

TR

AC

TO

R

C

: B

HE

L / N

OM

INA

TE

D I

NS

PE

CT

ION

AG

EN

CY

.

N

: C

US

TO

ME

R

SU

B-C

ON

TR

AC

TO

RIN

DIC

AT

E “

P”

PE

RF

OR

M “

W”

WIT

NE

SS

AN

D “

V”

VE

RIF

ICA

TIO

N

SIG

NA

TU

RE

RE

VIE

WE

D B

YN

AM

E &

SIG

N O

F A

PP

RO

VIN

G A

UT

HO

RIT

Y &

SE

AL

1 RA

W M

ATER

IAL

& B

/OU

T IT

EMS:

1.1

HOO

KS

DIM

ENSI

ON

S,

MA

O

ne

sam

ple

IS: 1

5560

IS

: 155

60

MTC

P V

V

UT F

OR

SHAN

K DI

A 50

MM

AN

D AB

OVE

CH

EMIC

AL

COM

POSI

TIO

N,

MEC

HAN

ICAL

, PH

YSIC

AL

PRO

PERT

IES

MA

LA

B AN

ALYS

IS

PER

LOT

M

ater

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peci

ficat

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as p

er

appr

oved

dra

win

gs

T.C.

P V

V

IDEN

TIFI

CATI

ON

&

COM

PLIA

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MA

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DPT

100%

AS

TM E

-165

N

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ELEV

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IDEN

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CATI

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TC

P V

V

1.2

LOAD

CHA

IN

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S - B

REAK

ING

STR

ENGT

H - P

ROO

F LO

AD

-HEA

T TR

EATM

ENT

-GRA

DE

MA

MA

MA

MA

MA

MEA

SURE

MEN

T -T

ENSI

LE T

EST

-TEN

SILE

TES

T RE

VIEW

RE

VIEW

100

%

1/LO

T 10

0%

100%

1/

BATC

H

IS: 6

216

&

APPD

. DRG

S.

IS: 6

216

&

APPD

. DRG

S.

IR

MTC

M

TC

HT

CHA

RT

MTC

P P P P P

V V V V V

V

V

V

V

V

1.3

RAW

MAT

L. F

OR

GEAR

/ RA

TCHE

T PA

WL

/ RA

TCHE

T W

HEEL

CHEM

ICAL

CO

MPO

SITI

ON

,

MEC

HAN

ICAL

PRO

PERT

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MA

LAB

ANAL

YSIS

ON

E SA

MPL

E PE

R LO

T

MAT

ERIA

L SP

ECIF

ICAT

ION

AS

PER

MAT

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L SP

ECIF

ICAT

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AS

PER

MTC

P

V

V

TC o

r ins

pect

ion

repo

rt fo

r co

mpo

nent

s

Page

364

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

371

MA

NU

FAC

TUR

ER’S

NA

ME

& A

DD

RESS

:

M

AN

UFA

CT

UR

ING

QU

AL

ITY

PL

AN

ITE

M :

Chai

n P

ull

ey B

lock

QP

No.

: P

E-T

S-X

XX

-XX

X-A

00

1

RE

V.:0,

Dat

e.:,

PAG

E:

2 O

F 4

PRO

JEC

T : 2

X 5

00M

W T

UTI

CO

RIN

TPP

(F

GD

SY

STEM

) PA

CK

AG

E : C

HA

IN P

UL

LEY

BL

OC

KS

V

OL

IIB

, SEC

C

Sr.

No.

1.

CO

MP

ON

EN

T /

OP

ER

AT

ION

2.

CH

AR

AC

TE

RIS

TIC

S

3.

CL

AS

S

4

.

TY

PE

OF

CH

EC

K

5.

QU

AN

TU

M

OF

C

HE

CK

6.

RE

FE

RE

NC

E

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CU

ME

NT

7.

AC

CE

PT

AN

CE

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S

8

.

FO

RM

AT

OF

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RD

9

.

AG

EN

CY

R

EM

AR

KS

11.

M

C

N

10

.

LE

GE

ND

: F

OR

CU

ST

OM

ER

US

E

**

M :

MA

NU

FA

CT

UR

ER

/ S

UB

-CO

NT

RA

CT

OR

MA

NU

FA

CT

UR

ER

/

C

ON

TR

AC

TO

R

C

: B

HE

L / N

OM

INA

TE

D I

NS

PE

CT

ION

AG

EN

CY

.

N

: C

US

TO

ME

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SU

B-C

ON

TR

AC

TO

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AT

E “

P”

PE

RF

OR

M “

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WIT

NE

SS

AN

D “

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N

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NA

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YN

AM

E &

SIG

N O

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G A

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HO

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Y &

SE

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PRO

VED

DRAW

ING

AP

PRO

VED

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ING

shal

l be

give

n.

INTE

RNAL

DEF

ECTS

M

A UT

10

%

ASTM

A-3

88 (R

EFER

NO

TE 1

) IR

P

V V

1.4.

1.5

LOAD

CHA

IN W

HEEL

S BE

ARIN

GS

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MIC

AL

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TIO

N

M

ECHA

NIC

AL P

ROPE

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TYP

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MA

MA

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MEC

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OPE

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V V

1.6

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ICAL

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AL P

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Page

365

of 4

94

4485

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021/

PS

-PE

M-M

AX

372

MA

NU

FAC

TUR

ER’S

NA

ME

& A

DD

RESS

:

M

AN

UFA

CT

UR

ING

QU

AL

ITY

PL

AN

ITE

M :

Chai

n P

ull

ey B

lock

QP

No.

: P

E-T

S-X

XX

-XX

X-A

00

1

RE

V.:0,

Dat

e.:,

PAG

E:

3 O

F 4

PRO

JEC

T : 2

X 5

00M

W T

UTI

CO

RIN

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(F

GD

SY

STEM

) PA

CK

AG

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OC

KS

V

OL

IIB

, SEC

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3.

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1.1

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S

2.1

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des

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and

per

form

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of

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Ush

all

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stat

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s,re

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tions

and

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HU

isto

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The

equip

men

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sted

itio

ns

of

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able

India

n/B

ritish

/US

stan

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ds.

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inth

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lbe

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rued

tore

lieve

vendor

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men

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all

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rmto

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ns

ofth

efo

llow

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1IS

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for

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g

2.1.

2IS

660

:Saf

ety

code

for

mec

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ical

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iger

atio

n

2.1.

3A

SHRA

E:M

ethod

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ula

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.

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circ

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air

coolin

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dai

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.

2.1.

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30/

435

:Air

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dai

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ting

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Cen

tral

Stat

ion

AH

U/

Applic

atio

n

ofCen

tral

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AH

U.

2.1.

6A

MCA

:211

and

311

Inca

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the

stan

dar

ds

and

this

spec

ific

atio

nth

edec

isio

nof

PEM

,BH

ELsh

allb

efinal

and

bin

din

g.

3.CO

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RU

CTI

ON

FEA

TUR

ES

3.1

The

casi

ng

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AH

Ush

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be

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late

ddouble

wal

lco

nst

ruct

ion

of

min

.24

gauge

galv

aniz

edsh

eet

stee

lIS

277

Gr.

120

(par

ent

shee

t:D

/DD

IS51

3)ri

bbed

and

rein

forc

edfo

rst

ruct

ura

lst

rengt

han

dri

gidit

yw

ith

25m

mth

ick

poly

ure

than

ein

sula

tion

of

min

imum

40kg

/m3

den

sity

inbet

wee

n.

The

exte

rnal

wal

lw

illbe

pre

pla

stic

ised

ove

rG

Ico

atin

gon

the

outs

ide.

Angl

eir

ons

or

chan

nel

sect

ions

mad

eof

16ga

uge

galv

aniz

edsh

eet

stee

lsh

allbe

use

dfo

rre

info

rcin

g.Th

eca

sing

shal

lbe

of

sect

ional

ized

const

ruct

ion

with

pro

per

seal

ing

atth

ejo

ints

tom

ake

them

air

tigh

t.Fa

nse

ctio

nan

dpan

els

wit

hbea

ring

support

shal

lbe

rein

forc

edw

ith

hea

vyga

uge

chan

nel

s(m

in.

5m

mth

ick)

.Su

itab

lenum

ber

of

forg

edhot

dip

galv

aniz

ed(6

10gm

/sq.m

)U

bra

cket

ssh

allb

epro

vided

for

AH

Usu

spen

ded

from

ceili

ng/

roof.

Nec

essa

ryar

range

men

tsh

allbe

pro

vided

on

the

casi

ng

for

mea

suri

ng

tem

per

ature

and

pre

ssure

inco

olin

g/hea

ting

coil.

Cla

ssofin

stru

men

tssh

allb

em

in.2

.

3.2

Fan

impel

ler

shal

lbe

forw

ardly

/bac

kwar

dly

incl

ined

curv

edbla

de

centr

ifuga

lty

pe.

Impel

ler

shal

lbe

double

wid

thdouble

inle

tty

pe.

Fans

shal

lbe

pre

fera

bly

low

rpm

(<=1

500)

tom

inim

ize

vibra

tion

and

nois

e.N

ois

esh

allb

ew

ithin

85

dB(A

)at

1m

etre

dis

tance

from

AH

Uca

sing.

Max

.Vib

rati

on

leve

lshal

lbe

acce

pta

nce

and

norm

sto

be

spec

ifie

d.Tw

oto

thre

ew

hee

ls(im

pel

lers

)sh

allbe

pro

vided

for

each

AH

U.

Impel

ler

bla

des

shal

lbe

fabri

cate

dfr

om

(min

.1.

0m

m)

galv

aniz

ed/

epoxy

pow

der

coat

edsh

eet

stee

l.Fa

nsh

allbe

of

epoxy

pow

der

coat

ed/

galv

aniz

edsh

eet

stee

l(m

in.1.

6

Pa

ge

361

of 5

21

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370

of 4

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021/

PS

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M-M

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377

TEC

HN

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)sc

roll

wit

hdie

form

edin

lets

for

uniform

air

flow

.Fa

nsh

afts

shal

lbe

solid

cold

rolle

dca

rbon

stee

l(E

N8

norm

alis

ed),

ground

and

polis

hed

.Fa

nsh

aft

bea

rings

shal

lbe

of

hea

vyduty

type

sele

cted

for

aver

age

oper

atin

glif

eof

100,

00

hours

.Bea

rings

shal

lbe

self

alig

nin

g,per

man

entl

ylu

bri

cate

dty

pe.

Mak

eof

Brg

s(SK

F/FA

G/N

ORM

A/T

ATA

)to

be

spec

ifie

d.Bea

ring

Housi

ng

shal

lbe

of

cast

ing

of

min

.IS

Gr.

210,

split

type

and

suit

ably

support

ed.

The

Vbel

tdri

vew

ith

bel

tgu

ard

shal

lbe

pro

vided

.M

oto

rssh

all

hav

em

inim

um

15%

mar

gin

ove

rm

axim

umBH

Pin

work

ing

range

.

3.3

DX

or

chill

edw

ater

coolin

gco

ilsan

dst

eam

/hot

wat

erco

ilssh

all

be

inte

rnal

lyco

rruga

ted

copper

/cu

pro

nic

kelt

ubes

(as

per

man

ufac

ture

r’sst

andar

d)

wit

hsm

ooth

non

corr

uga

ted

exte

rnal

fins

of

alum

iniu

m(t

hic

knes

s0.

14m

man

dgr

ade

1100

asper

spec

)unle

sssp

ecifie

doth

erw

ise

insp

ecific

atio

n.A

tle

ast

5fins

/per

cm.s

hal

lbe

pro

vided

.Th

ech

illed

wat

er/h

ot

wat

erco

ilssh

all

hav

esu

itab

le(s

tandar

diz

ecl

ass,

size

,thre

adin

g)dra

inan

dve

ntco

nnec

tions.

3.4

The

filter

sin

the

filt

erse

ctio

nsh

allb

epro

vide

das

det

aile

din

dat

ash

eet

A.

3.5

Hum

idifie

rsh

allb

ePan

type/

assp

ecifie

din

the

spec

ific

atio

n.

Pan

type

Hum

idifie

rco

nsi

stin

gof

SS304

/316

tank,

hea

ter,

geys

erst

atw

ith

pip

ing

connec

tion

tosu

pply

air

duct

shal

lbe

pro

vided

unle

sssp

ecifie

doth

erw

ise

indat

ash

eet

A.

Hea

ters

and

bra

nch

line

shal

lbe

of

galv

aniz

edst

eel

and

nozz

les

shal

lbe

of

bra

ss(m

atl.

grad

e)/S

S30

4.

3.6

Conden

ser

wat

erfr

om

coil

or

surp

lus

wat

erfr

om

spra

yhum

idifie

rsh

allb

eco

llect

edin

16ga

uge

SS30

4pan

.M

inim

um50

mm

dia

GI

pip

enip

ple

shal

lbe

pro

vided

on

each

end

for

dra

inco

nnec

tion.Th

edra

ins

for

thes

epoin

tssh

allbe

exte

nded

toth

em

ain

dra

inin

AH

Uro

om

.Conden

sate

dra

inpip

e(G

I)of

requir

edle

ngt

hw

ith

seal

ing

loop

shal

lbe

pro

vided

and

insu

late

das

spec

ifie

din

the

spec

ific

atio

nfo

rin

sula

tion.

Min

imum

requir

emen

tFo

rG

IPip

esan

dfitt

ings

shal

lbe

ERW

/Sea

mle

ssof

med

ium

thic

knes

sas

per

IS12

39/3

589

and

Hot

dip

galv

aniz

ed

3.7

Suit

able

num

ber

of

Spri

ng

type

vibra

tion

isola

tors

shal

lbe

pro

vided

for

fan

and

moto

ras

sem

bly

.Neo

pre

ne

rubber

pad

ssh

allb

epro

vided

bel

ow

the

AH

U.

The

AH

Ush

allb

epro

vided

with

18G

SSdra

inpan

.

Pa

ge

362

of 5

21

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371

of 4

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4485

26/2

021/

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-PE

M-M

AX

378

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HN

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Pa

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21

Page

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94

4485

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lbe

furn

ished

for

visu

alch

eck,

coat

ing

thic

knes

s,ad

hes

ion

test

,sh

eet

thic

knes

s,uniform

ity

of

coat

ing.

For

pip

esan

dfitt

ings

com

plia

nce

report

shal

lbe

furn

ished

by

Man

ufa

cture

rfo

rvi

sual

chec

k,co

atin

gth

ickn

ess,

adhes

ion

test

,shee

tth

ickn

ess,

uniform

ity

ofco

atin

g.

4.3

Shaf

t:M

echan

ical

and

chem

ical

.

4.4

Moto

rs(o

fap

pro

ved

mak

e):R

outi

ne

TC.

4.5

Work

man

ship

and

dim

ensi

onal

chec

kas

per

man

ufa

cturi

ng

drg

.and

appro

ved

Drg

s.

4.6

Bal

anci

ng

of

impel

lers

Dyn

amic

bal

anci

ng

cert

ific

ates

shal

lbe

furn

ished

–gra

de6.

3or

bet

ter

toIS

O19

40.

Bal

anci

ng

wei

ghts

shal

lbe

posi

tive

lylo

cked

toav

oid

loose

nin

g.Bal

anci

ng

wei

ghts

and

fast

ener

suse

dsh

allb

ega

lvan

ized

.

4.7

Per

form

ance

test

ofone

Cen

trifuga

lfan

/per

type/

per

size

asper

AM

CA

stan

dar

d(f

or

indig

enous

mak

e).

4.8

Cen

trifuga

lfa

ns

for

AH

Us

will

be

100%

run

test

edby

mai

nco

ntr

acto

rof

BH

EL.O

ne

centr

ifuga

lfa

n/p

erty

pe/

per

size

will

be

run

test

ed.

Vib

rati

on

shal

lbe

wit

hin

good

zone

of

VD

I20

56/

ISO

1081

61(

group

K)

mac

hin

esw

hen

mea

sure

don

bea

ring

housi

ng

and

nois

ele

vel

<85

dbA

at1

met

redis

tance

.M

ax.

Tem

p.

on

bea

ring

housi

ng

40deg

rees

Cen

tigr

ade

+am

bie

nt.

4.9

Com

ple

teas

sem

bly

of

one

AH

U/p

erty

pe/

per

size

(exc

ludin

gco

olin

gco

ilan

dfilt

er)

shal

lbe

wit

nes

sed.

4.10

Run

test

of

one

com

ple

teas

sem

bly

/per

type/

per

size

(exc

ludin

gco

olin

gco

ilan

dfilt

er).

Vib

ration

shal

lbe

wit

hin

sati

sfac

tory

zone

of

VD

I20

56/

ISO

1081

61(

group

K)

mac

hin

esw

hen

mea

sure

don

bea

ring

housi

ng

and

nois

ele

vel<

85dbA

at1

met

redis

tance

.Max

.Tem

p.o

nbea

ring

housi

ng

40deg

rees

Cen

tigr

ade

+am

bie

nt.

Pa

ge

364

of 5

21

Page

373

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

380

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

AIR

HA

ND

LIN

G U

NIT

S

SPEC

IFIC

ATI

ON

NO

.PES

-553

-02

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.

09.2

012

SHEE

T6

OF

6

5.D

RA

WIN

GS/

DO

CU

MEN

T/D

ATA

REQ

UIR

EDA

FTER

AW

AR

DO

FCO

NTR

ACT

5.1

GA

dra

win

gof

AH

U&

dat

ash

eet

tobe

subm

itte

dal

ong

with

tech

nic

alsc

hed

ule

sen

close

din

Volu

me

III.

5.2

Dra

win

gin

cludin

geq

uip

men

tla

yout,

foundat

ion

&lo

adin

gdet

ails

etc.

for

civi

lw

ork

s.Th

ese

dra

win

gsm

ust

cove

rsu

ffic

ient

det

ails

soth

atdes

ign

of

civi

lwork

sca

nbe

com

ple

ted.

5.3

Insp

ecti

on,o

pera

tion

&M

ainte

nan

ceM

anual

s.

5.4

Equip

men

tdes

crip

tion

givi

ng

com

ple

tedes

ign

calc

ula

tions,

bas

isof

des

ign,s

elec

tion

crit

eria

etc.

5.5

Test

Cer

tifica

tes.

5.6

Final

asbuilt

docu

men

tati

on

i.e.final

vers

ion

of

alldra

win

gs,dat

a&

info

rmat

ion

asper

the

requir

emen

tsp

ecifie

del

sew

her

e.

5.7

Per

form

ance

Test

Cer

tifica

tes.

Pa

ge

365

of 5

21

Page

374

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

381

A

IR H

AN

DL

ING

UN

IT

VOLU

ME

- II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

- D

REV

00

DAT

E 1

7.09

.201

2

SHEE

T

O

F 2

1

DES

CR

IPTI

ON

D

AT

A

1.

No

s. r

equ

ired/w

ork

ing

: R

efe

r to

Sec

tio

n-C

of

Sp

ecif

ic t

ech

nic

al r

equ

irem

en

t.

2.

Lo

cati

on

: R

efe

r to

Sec

tio

n-C

of

Sp

ecif

ic t

ech

nic

al r

equ

irem

ent.

3.

Serv

ice/t

yp

e

:

Air

Co

nd

itio

nin

g /

Do

ub

le s

kin

.

4.

Fan

ty

pe

: C

entr

ifu

gal

(fo

rward

/back

war

d c

urv

e B

lad

e) l

imit

load

.

a)

Cap

acit

y

:

To

Su

it a

s p

er c

alcu

lati

on

.

b)

Sta

tic

pre

ssu

re

:

To s

uit

but

not

less

th

an

60 m

m w

c fo

r A

HU

’s M

icro

-V

filt

ers.

c)

Dis

charg

e d

irec

tio

n

:

To

su

it l

ay

ou

t.

d

) M

oto

r

: B

y B

idd

er,

e)

Lo

cal

pu

sh b

utt

on

sta

tio

n

:

By

Oth

ers

(

Sta

rt/S

top)

f)

Mo

tor

loca

tion

:

Insi

de

AH

U C

asin

g.

g

) D

riv

e

: B

elt,

pull

ey,

belt

gu

ard

.

5.

Face

and B

ypass

Dam

per

:

Req

uir

ed (

Oppose

d b

lad

e ty

pe)

DX

AH

U’s

hav

ing

6.

Co

oli

ng

co

il

a)

Du

ty s

ensi

ble

hea

t

: T

o s

uit

as

per

calc

ula

tio

ns

b

) D

uty

late

nt

hea

t

: -d

o-

c)

Ty

pe o

f co

il

:

Ch

ille

d W

ater

/DX

/Ho

t W

ater

.

d

) N

o.

of

row

s

: T

o s

uit

bu

t n

ot

less

th

an f

ou

r (4

)

e)

Mat

eria

l o

f tu

be /

Th

ick

nes

s

: S

eam

less

Cop

per

to A

ST

ME

-75

/Equ

ival

ent.

f)

Mat

eri

al o

f fi

ns

:

Alu

min

ium

to

SA

E-1

10

0-/

11

45

-0

g

) N

um

ber

of

fin

s

: N

ot

gre

ater

th

an 5

per

cm

(13

per

in

ch).

h

) M

ax.

face

vel

oci

ty

:

2.5

m/s

ec.

i)

Air

flo

w q

uan

tity

: T

o s

uit

as

per

ten

der

dra

win

gs/

do

cum

ents

.

7.

3 -

way

mo

tori

sed

mix

ing

val

ve

:

Req

uir

ed w

ith

th

erm

ost

at

& a

ctu

ato

r fo

r ch

ille

d

wit

h t

her

mo

stat

.

w

ater

sy

stem

for

eac

h A

HU

.

Pa

ge

366

of 5

21

Page

375

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

382

A

IR H

AN

DL

ING

UN

IT

VOLU

ME

- II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

- D

REV

00

DAT

E 1

7.09

.201

2

SHEE

T

O

F 2

2

8.

Dam

per

at

dis

char

ge

:

Man

ual

ly o

pera

ted

at

dis

char

ge

of

each

AH

U

ou

tlet.

a)

Mat

eri

al o

f co

nst

ruct

ion

: M

ild

Ste

el,

gal

van

ised

.

9.

Fil

ters

(P

re-f

ilte

rs)

a)

Ty

pe

& t

hic

kness

: D

ry p

an

el t

yp

e/ 5

0 m

m

b

) F

ilte

r ar

ea.

: T

o s

uit

as

per

vel

oci

ty r

equ

irem

ents

. "V

" -

Ban

k.

c)

Fil

ter

effi

cien

cy

:

Av

era

ge

arre

stan

ce e

ffic

ien

cy o

f

65

-80

%

d

) P

ress

dro

p (

Cle

an)

:

No

t to

ex

ceed

2.5

mm

wc

wh

en

cle

an &

6.5

mm

wc

wh

ile d

irty

.

10

.H

um

idif

icat

ion

sec

tio

n

:

As

per

the

Sy

stem

req

uir

emen

t.

a)

Ty

pe

:

Pan

ty

pe,

unle

ss o

therw

ise s

pec

ifie

d.

b

) O

per

atio

n

:

Au

tom

atic

wit

h H

um

idif

icat

ion

.

11

.F

resh

air

arr

ang

emen

t

: R

equ

ired

.

a)

Fre

sh a

ir f

an

:

Tu

be

axia

l fl

ow

fan

s w

ith

mo

tor.

b

) A

cces

sori

es

:

i) I

nle

t con

e w

ith

Bir

d s

creen

.

:

ii)

Dry

pan

el p

re-f

ilte

rs,

:

iii)

Hig

h e

ffic

ien

cy

fil

ters

fo

r co

ntr

ol

roo

m a

reas

.

:

iv)

Vo

lum

e C

on

tro

l D

amp

ers,

:

v)

Su

pp

ort

s et

c.

12

.V

ibra

tio

n i

sola

tor

:

Yes

re

qu

ired

.

13.

Type o

f vib

rati

on

:

Neopre

ne

ribbed

Rubber

for

AH

U’s

.

is

ola

tor.

14

.A

ny

oth

er

req

uir

emen

t

: i)

In

ad

dit

ion

to

dry

pan

el f

ilte

rs o

n A

HU

, H

igh

effi

cien

cy f

ilte

rs(a

vera

ge

arre

stan

ce e

ffic

ien

cy o

f 80

-90

%)

shal

l be

pro

vid

ed i

n s

upply

air

duct

side o

f A

HU

for

a

ll c

on

tro

l ro

om

an

d a

llie

d a

reas.

:

ii)

Bid

der

to

als

o p

rov

ide

suit

able

ele

ctri

cal

stri

p h

eate

rs

for

win

ter

hea

tin

g &

mon

soo

n r

ehea

tin

g w

ith

Co

nta

cto

r

bo

x e

tc.

Hea

ters

to

be

inte

rlo

cked

wit

h a

irst

at.

15

.In

stru

ment

& c

on

tro

ls

:

Lo

t.(i

nclu

din

g C

on

tro

l b

ox

fo

r st

rip

heat

ers,

pan

hu

mid

ifie

rs

etc.

in

eac

h A

HU

room

.)

16

.In

sula

tio

n o

f d

rain

pip

ing

: L

ot.

Pa

ge

367

of 5

21

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376

of 4

94

4485

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021/

PS

-PE

M-M

AX

383

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SY

STEM

SPEC

IFIC

ATI

ON

NO

.PES

-553

-07

V

OLU

ME

II B

SE

CT

ION

D

RE

V. 0

2 D

AT

E: 1

7.09

.201

2 SH

EET

1O

F 9

STA

ND

AR

DTE

CH

NIC

AL

SPEC

IFIC

ATI

ON

FOR

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SYST

EM

Pa

ge

368

of 5

21

Page

377

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

384

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SY

STEM

SPEC

IFIC

ATI

ON

NO

.PES

-553

-07

V

OLU

ME

II B

SE

CT

ION

D

RE

V. 0

2 D

AT

E: 1

7.09

.201

2 SH

EET

2O

F 9

1.G

ENER

AL

1.1

This

spec

ific

atio

nco

vers

the

des

ign,m

anufa

cture

,const

ruct

ion

feat

ure

s,in

stal

lation,

insp

ecti

on

test

ing

and

air

bal

anci

ng

of

air

dis

trib

uti

on

syst

emupto

ato

talpre

ssure

of

95m

mw

.g.T

he

spec

ific

atio

nis

inte

nded

toco

ver

the

air

dis

trib

utio

nfo

rai

rco

ndi

tionin

gsy

stem

and

ventila

tion

syst

emnot

invo

lvin

glo

calis

edex

hau

st.

2.CO

DES

AN

DST

AN

DA

RD

S

2.1

The

des

ign,

const

ruct

ion

and

per

form

ance

of

com

ple

tesy

stem

shal

lco

nfo

rmto

all

curr

entl

yap

plic

able

stuat

ues

,re

gula

tions,

safe

tyco

des

inth

elo

calit

yw

her

eth

eeq

uip

men

tar

eto

inst

alle

d

2.2

Unle

sssp

ecifie

doth

erw

ise

the

equip

men

tssh

all

gener

ally

confo

rmto

late

stap

plic

able

India

nSt

andar

ds.

Noth

ing

inth

issp

ecific

atio

nsh

all

be

const

rued

tore

lieve

the

vendor

of

this

resp

onsi

bili

ty.

Inpar

ticu

lar

the

equip

men

tsh

allge

ner

ally

confo

rmto

late

sted

itio

ns

by

the

follo

win

gst

andar

ds:

a)IS

:655

Spec

ific

atio

ns

for

met

alai

rduct

s.

b)IS

:277

Spec

ific

atio

ns

for

galv

anis

edst

eels

hee

ts.

c)IS

:737

Spec

ific

atio

nfo

rw

rough

tal

um

iniu

man

dal

um

iniu

mal

loy

shee

tan

dst

rip.

3.M

ATE

RIA

L

3.1

Met

alai

rduct

ssh

all

be

eith

erof

galv

anis

edst

eel

shee

tsor

alum

iniu

msh

eets

,as

indic

ated

indat

ash

eet

A.

3.2

The

rolle

dst

eelsh

eets

bef

ore

galv

anis

ing

shal

lbe

pro

per

lyan

nea

led

or

norm

alis

edso

asto

allo

wfa

bri

cati

on

of

duct

sw

ithout

dev

elopin

gcr

acks

.Zi

nc

coat

ing

on

the

stee

lsh

all

be

asper

tech

nic

alre

quir

emen

tre

fer

toSe

ctio

nC

of

Spec

ific

Tech

nica

lReq

uir

emen

ts.

3.3

The

alum

iniu

msh

eets

shal

lbe

of

grad

eS1

Cor

NS3

and

shal

lbe

suit

able

for

duct

fabri

cati

on

work

asper

IS73

7la

test

4.CO

NST

RU

CTI

ON

/FA

BR

ICA

TIO

N

4.1

The

thic

knes

sof

shee

ts,

the

type

of

bra

cing

and

oth

erfa

bri

cati

on

det

ails

shal

lge

ner

ally

confo

rmto

requir

emen

tsgi

ven

her

eunder

unle

sssp

ecifie

doth

erw

ise

indat

ash

eetA

and/o

rin

dic

ated

on

dra

win

gs.

4.2

REC

TAN

GU

LAR

DU

CTS

4.2.

1

S.N

o.

Max

Side

Shee

tTh

ickn

ess

Type

oftr

ansv

erse

Bra

cings

Pa

ge

369

of 5

21

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378

of 4

94

4485

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021/

PS

-PE

M-M

AX

385

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SY

STEM

SPEC

IFIC

ATI

ON

NO

.PES

-553

-07

V

OLU

ME

II B

SE

CT

ION

D

RE

V. 0

2 D

AT

E: 1

7.09

.201

2 SH

EET

3O

F 9

(mm

)G

I(m

m)

Al

Join

tco

nnec

tions

a)U

pto

600

0.63

(24G

)0.

80S

dri

ve,

pock

etor

bar

slip

sor

flan

ged

join

tson

2.5m

centr

esN

one

b)

601

to75

00.

63(2

4G)

0.80

Sdri

ve,

25m

mpock

etor

25m

mbar

slip

sor

flan

ged

join

tson

2.5m

centr

es

25x2

5x3

mm

MS

angl

es,1.

2mfr

om

join

ts

c)75

1to

1000

0.80

(22G

)1.

00S

dri

ve,

25m

mpock

etor

25m

mbar

slip

sor

flan

ged

join

tson

2.5m

centr

es

25x2

5x3

mm

MS

angl

es,1.

2mfr

om

join

ts

d)

1001

to15

000.

80(2

2G)

1.00

40x4

0x3

mm

MS

angl

e,flan

ged

connec

tions

or

40m

mpock

etor4

0m

mbar

slip

sw

ith

35x3

mm

bar

rein

forc

ing

on

2.5m

centr

es

40x4

0x3

mm

MS

angl

es,1.

2mfr

om

join

ts

e)15

01to

2250

1.00

(20G

)1.

5040

x40x3

mm

MS

angl

e,flan

ged

connec

tions

or

40m

mpock

etor4

0m

mbar

slip

s,1M

max

imum

centr

es,

with

35x3

mm

bar

rein

forc

ing

40x4

0x3

mm

dia

gonal

angl

esor

40x4

0x3

mm

angl

es,

600m

mfr

om

join

ts

f)22

51&

above

1.25

(18G

)1.

8050

x50x3

mm

MS

angl

es,c

onnec

tions

or

40m

mpock

etor

40m

mbar

slip

s,1M

max

imum

centr

esw

ith

35x3

mm

bar

rein

forc

ing.

50x5

0x3

mm

dia

gonal

angl

esor

50x5

0x3

mm

angl

es60

0m

mfr

om

join

ts.

g)N

obra

cing

isre

quir

edif

tran

sver

sejo

ints

are

less

than

600m

map

art

h)

For

duct

sla

rger

than

2250

mm

,sp

ecia

lhan

dlin

gan

dsu

pport

ing

met

hods

shal

lbe

pro

vided

asper

the

appro

valo

fPurc

has

er

4.2.

2A

llre

ctan

gula

rduct

shav

ing

eith

erdim

ensi

on

larg

erth

an45

0m

msh

all

be

cross

bro

ken

exce

pt

thes

educt

sw

hic

har

ein

sula

ted

with

sand

cem

ent

pla

ster

.A

iroutl

etco

nnec

tions

on

duct

snee

dnot

be

cross

bro

ken.

4.2.

3Th

ese

ams

on

duct

cones

shal

lbe

of

Pitts

burg

hty

pe.

Longi

tudin

alse

ams

shal

lbe

smooth

insi

de

the

duct

s.

4.2.

4Th

eflan

ges

use

dfo

rtr

ansv

erse

join

tssh

allbe

join

edto

geth

erw

ith

GI

bolt

s(g

rade

4.6)

and

nuts

spac

edat

125m

mce

ntr

esas

per

follo

win

g:

a)U

pto

1000

mm

6m

mdia

GIb

olt

sb)

1001

to15

008

mm

dia

GIb

olt

sc)

1501

and

above

10m

mdia

GIb

olt

s

Pa

ge

370

of 5

21

Page

379

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

386

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SY

STEM

SPEC

IFIC

ATI

ON

NO

.PES

-553

-07

V

OLU

ME

II B

SE

CT

ION

D

RE

V. 0

2 D

AT

E: 1

7.09

.201

2 SH

EET

4O

F 9

4.2.

5Th

eM

San

gle

flan

ges

shal

lbe

connec

ted

toduct

sw

ith

rive

tsat

appro

x.10

0m

mce

ntr

es.

The

flan

ged

join

tssh

all

hav

e6m

mth

ick

felt

pac

king

stuck

toflan

ges

with

shel

lac

varn

ish.T

he

hole

sin

the

felt

pac

king

shal

lbe

burn

tth

rough

.The

duct

sar

eto

be

tapp

ed6m

mac

ross

the

MS

flan

ges.

4.2.

6M

San

gles

use

dfo

rbra

cings

shal

lbe

tack

wel

ded

toth

educt

sor

rive

tted

at12

5mm

centr

es,a

sap

plic

able

.

4.3

RO

UN

DD

UCTS

4.3.

1

S.N

o.

Duct

dia

mm

Shee

tTh

ickn

ess

Rei

nfo

rcin

g

(mm

)G

I(m

m)

Al

a)U

pto

150

0.63

(24G

)0.

80N

one

b)

151

to60

00.

80(2

2G)

1.00

None

c)60

1to

1000

1.00

(20G

)1.

5040

x40x3

mm

girt

hM

S

d)

1001

to12

501.

00(2

0G)

1.50

40x4

0x3

mm

girt

hM

San

gles

at2.

0m

eter

centr

es

e)12

51&

above

1.25

(18G

)1.

8040

x40x3

mm

girt

hM

San

gles

at1.

2mce

ntr

es

4.3.

2Th

ese

ams

on

round

duct

sm

aybe

continuousl

yw

elded

or

groove

dlo

ngi

tudin

alse

am.In

case

of

wel

din

gof

GIsh

eet,

zinc

rich

pai

nt

shal

lbe

applie

don

the

wel

ded

zone.

4.3.

3Round

duct

ssh

allei

ther

be

join

edby

wel

din

gor

the

duct

ssh

allbe

swed

ged

40m

mfr

om

the

ends

such

that

larg

eren

dw

illbutt

agai

nst

the

swed

gean

dis

hel

din

pla

cew

ith

shee

tm

etal

scre

ws.

4.4

DU

CT

SUPPO

RTS

Unle

sssp

ecifie

doth

erw

ise

on

dra

win

gs,

rect

angu

lar

duct

sw

ith

larg

ersi

de

of

2250m

mor

above

shal

lbe

support

edby

15m

mM

Sro

ds

and

50x5

0x3m

man

dM

San

gles

while

those

bel

ow

2250

mm

shal

lbe

support

edby

10m

mM

Sro

ds

and

all

angl

essh

allb

egi

ven

aco

atof

pri

mer

pai

nt.

The

duct

support

ssh

allb

eat

adis

tance

not

exce

edin

g18

00m

m.T

he

MS

rods

shal

lbe

fixe

dto

MS

angl

ecl

eats

,whic

hin

turn

are

fixe

dto

ceili

ng

slab

by

suit

able

anch

or

fast

ener

s.A

llan

chor

fast

ener

s,M

San

gle

clea

ts,c

oac

hsc

rew

s,hooks

and

oth

ersu

pport

ing

mat

eria

lreq

uir

edsh

allb

epro

vided

by

vendor.

How

ever

,Ifduct

sar

eth

erm

ally

insu

late

d,t

he

MS

angl

esan

dsu

pport

ssh

alln

ot

be

in

Pa

ge

371

of 5

21

Page

380

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

387

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SY

STEM

SPEC

IFIC

ATI

ON

NO

.PES

-553

-07

V

OLU

ME

II B

SE

CT

ION

D

RE

V. 0

2 D

AT

E: 1

7.09

.201

2 SH

EET

5O

F 9

dir

ect

conta

ctw

ith

duct

s,fo

rw

hic

hpurp

ose

wooden

pie

ces/

Res

inbonded

fibre

glas

ssh

eets

(50

mm

thic

k)sh

allb

euse

din

bet

wee

n.

4.5

FLEX

IBLE

CO

NN

ECTI

ON

S

Wher

ever

the

shee

tm

etal

duct

sco

nnec

tsto

inta

keor

dis

char

geof

fan

unit

sa

flex

ible

connec

tion

of

atle

ast

150m

mw

idth

mad

eby

close

lyw

ove

ndouble

laye

rFi

rere

sist

ant

or

canva

ssh

allbe

pro

vided

.Th

esa

me

shal

lbe

atta

ched

toan

gle

iron

fram

eson

equip

men

tan

dto

sim

ilar

fram

eon

duct

or

casi

ng

by

mea

ns

of

ast

eel

ban

d9r

(or)

colla

rfitt

ing

ove

rth

een

dof

the

flex

ible

connec

tion

and

bolt

edth

rough

angl

eir

on

fram

eso

asto

clam

pse

cure

lybet

wee

nth

eban

dan

dth

ean

gle

fram

e.

4.6

TRA

NSF

OR

MA

TIO

NS

AN

DB

REA

CH

ES

All

curv

es,

ben

ds,

off

sets

and

oth

ertr

ansf

orm

atio

ns

shal

lbe

mad

efo

rea

syan

dnois

eles

sflow

ofai

r.Th

eth

roat

ofev

ery

bra

nch

duct

shal

lbe

size

dto

hav

ea

velo

city

not

exce

edin

gth

atin

the

mai

nduct

tow

hic

hth

ebra

nch

isco

nnec

ted.

4.7

CA

ULK

ING

Wher

ever

duct

pas

ses

thro

ugh

wal

l,th

eopen

ing

bet

wee

nm

asonar

yan

dduct

work

shal

lbe

nea

tly

caulk

edor

seal

edto

pre

vent

move

men

tof

air

from

one

spac

eto

adjo

inby

spac

ew

ith

ara

ted

fire

resi

stan

tm

ater

ial.

4.8

EASE

MEN

T

Norm

ally

pip

ehan

gers

,lig

ht

fitt

ing

rods

etc.

shal

lnot

be

allo

wed

topas

sth

rough

the

duct

s.W

her

ever

,It

bec

om

esab

solu

tely

esse

nti

alto

pas

sth

ese

han

gers

/rods

etc.

Thro

ugh

the

duct

s,pri

or

appro

valof

purc

has

ersh

allbe

take

nan

dlig

ht

stre

amlin

esea

sem

entar

ound

the

sam

esh

allb

epro

vided

tom

ainta

insm

ooth

air

flow

.

4.9

ACCES

SD

OO

RS

Acc

ess

doors

shal

lbe

pro

vided

induct

s,ple

num

set

c.on

both

sides

toal

low

acce

ssan

dse

rvic

ing

ofeq

uip

men

tvi

z.pip

es,d

amper

s,co

ils,v

alve

s,hea

ters

etc.

All

acce

ssdoors

shal

lbe

adeq

uat

ely

size

dan

dlin

edsu

itab

lyw

ith

felt

topre

vent

air

leak

age.

The

doors

shal

lbe

of

built

up

const

ruct

ion,

stru

ctura

llyst

rong

and

shal

lhav

eat

leas

ttw

ohin

ges

each

,and

shal

lbe

with

two

rust

pro

ofw

indow

sash

lock

sof

appro

ved

type.

All

doors

shal

lbe

sose

tas

toflush

with

oute

rfinis

hof

duct

insu

lati

on

etc.

4.10

DA

MPER

SA

ND

SPLI

TTER

S

4.10

.1D

amper

san

dsp

litte

rssh

all

be

pro

vided

atsu

itab

lepoin

tsfo

rpro

port

ional

volu

me

contr

ol

of

the

syst

em.

Split

ters

and

dam

per

ssh

all

be

mad

eof

min

imum

18ga

uge

GSS

of

quad

rant

type

wit

hlo

ckin

gdev

ice

mounte

douts

ide

the

duct

atac

cess

ible

loca

tion.

4.10

.2FI

RE

DA

MPER

S

Fire

dam

per

ssh

allb

epro

vided

assp

ecifie

din

Dat

aSh

eet

Aan

dsh

allb

ein

stal

led

atlo

cati

ons

indic

ated

on

dra

win

gsan

d/o

ras

requir

ed/a

ppro

ved

by

purc

has

er,

incl

udin

gal

lopen

ings

inpas

sage

of

duct

work

thro

ugh

fire

wal

lsan

dfloors

etc.

The

fire

dam

per

shal

lbe

of

elec

tric

alty

pe

with

dam

per

moto

rac

tuat

edby

ther

mal

Pa

ge

372

of 5

21

Page

381

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

388

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SY

STEM

SPEC

IFIC

ATI

ON

NO

.PES

-553

-07

V

OLU

ME

II B

SE

CT

ION

D

RE

V. 0

2 D

AT

E: 1

7.09

.201

2 SH

EET

6O

F 9

senso

ror

fusi

ble

link

type.

4.10

.3V

AN

ES

Unle

ssoth

erw

ise

show

nin

the

dra

win

gsal

lel

bow

ssh

all

be

such

that

the

thro

atra

diu

sis

75%

of

the

duct

wid

th.

Inca

seth

roat

radiu

sis

smal

ler,

suit

able

singl

eth

ickn

ess

vanes

ofap

pro

ved

det

ails

shal

lbe

pro

vided

.

4.10

.4FL

ASH

ING

For

the

duct

spen

etra

ting

roofs

or

outs

ide

wal

ls,pro

visi

on

of

flas

hin

gsh

allbe

mad

eby

the

duct

ing

vendor.

4.11

DIF

FUSE

RS

AN

DG

RIL

LS

The

type

and

quan

tity

of

diffu

sers

and

grill

sis

indic

ated

on

encl

ose

ddra

win

gs/d

ata

shee

tA

.Th

esi

ze/q

uan

tity

of

diffu

sers

/gr

ills

indic

ated

inth

edra

win

g/dat

ash

eet

isin

dic

ativ

ean

dis

for

vend

or’s

refe

rence

purp

ose

only

.V

endor

shal

len

sure

that

the

diffu

sers

/gri

llsoff

ered

are

of

requis

ite

capac

ity,

thro

wan

dte

rmin

alve

loci

ty.

The

pre

ssure

dro

pan

dnois

ele

vels

shal

lbe

asper

dat

ash

eet.

Aen

close

d.

The

diffu

sers

/gri

llssh

allb

eap

pro

ved

by

purc

has

er.

Unle

sssp

ecifie

doth

erw

ise

the

diffu

sers

/gri

llssh

allb

eofm

ildst

eell

and

pai

nte

dw

ith

two

coat

sof

pri

mer

pai

nt.

Supply

air

grill

ssh

all

be

com

ple

tew

ith

volu

me

contr

ol

dam

per

s.Su

pply

air

grill

ssh

allbe

double

def

lect

ion

type

while

Ret

urn

Air

grill

sca

nbe

singl

edef

lect

ion

type.

Cei

ling

outl

ets/

diffu

sers

shal

lhav

evo

lum

eco

ntr

ol

dam

per

s,fixe

dgr

ids

and

bla

nki

ng

baf

fles

.A

llvo

lum

eco

ntr

ol

dam

per

ssh

all

be

oper

ated

by

ake

yfr

om

the

front

ofgr

ills/

diffu

sers

.

Suit

able

vanes

shal

lbe

pro

vide

din

duct

colla

rsto

hav

euniform

air

dis

trib

uti

on.

Bla

nk

off

baf

fles

wher

ever

requir

ed,s

hal

lals

obe

pro

vided

.

4.12

PLE

NU

MS

AN

DR

AB

OXIN

G

All

ple

num

cham

ber

san

d/o

rco

nnec

tions

tofa

ns,

dam

per

set

c.sh

allb

eco

nst

ruct

edin

18ga

uge

GIs

hee

t.su

pport

edon

40x4

0x6m

mM

San

gle

fram

es.A

llve

rtic

alan

gles

shal

lbe

rive

ted

atap

pox.

125m

m.c

entr

esto

the

casi

ng.

Suit

able

caulk

ing

com

pound

(Pec

ora

or

equiv

alen

t)sh

all

be

inse

rted

bet

wee

nth

ebas

eof

the

angl

ean

dal

lm

asonar

yco

nst

ruct

ion

tow

hic

han

gles

are

fast

ened

.

Ret

urn

air

boxi

ng

requir

emen

tsif

any

are

indic

ated

indat

ash

eet

Aan

dth

esa

me

shal

lbe

pro

vided

by

vendor.

The

retu

rnai

rbox

shal

lbe

fabri

cate

dout

of

GIsh

eets

shal

lbe

insu

late

dw

ith

25m

mth

ick

fibre

glas

s.

4.13

ACCO

UST

ICLI

NIN

G

The

duct

ssh

all

be

lined

acoust

ical

lyfr

om

insi

de

asgi

ven

indat

ash

eet

Aan

d/o

rse

ctio

nC

ofth

esp

ecific

atio

n.

4.14

PA

INTI

NG

Wher

ever

spec

ifie

dth

educt

ssh

all

be

pai

nte

dor

lined

wit

hsu

itab

lean

tico

rrosi

vepai

nt/

linin

gas

per

appro

valof

purc

has

er.In

par

ticu

lar

the

duct

sco

min

gin

conta

ctw

ith

acid

fum

essh

allb

eep

oxy

coat

ed,i

nsi

de

and

outs

ide.

Pa

ge

373

of 5

21

Page

382

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

389

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SY

STEM

SPEC

IFIC

ATI

ON

NO

.PES

-553

-07

V

OLU

ME

II B

SE

CT

ION

D

RE

V. 0

2 D

AT

E: 1

7.09

.201

2 SH

EET

7O

F 9

4.15

THER

MA

LIN

SULA

TIO

N

Ther

mal

insu

lati

on

shal

lbe

asper

dat

ash

eet

Aan

dth

ein

sula

tion

shal

lconfo

rmto

encl

ose

dsp

ec.n

o.P

ES55

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.

5.IN

SPEC

TIO

NA

ND

TEST

ING

5.1

INSP

ECTI

ON

&TE

STIN

GD

UR

ING

FAB

RIC

ATI

ON

5.1.

1V

isual

insp

ecti

on

ofG

Ishee

tsan

dan

gles

,chan

nel

set

c.–

den

ts,b

lack

spots

,chip

pin

gof

zinc

coat

ing,

white

dust

on

galv

anis

edsh

eets

shal

lbe

avoid

ed.P

itting

,lam

inat

ion

inan

gles

and

chan

nel

ssh

allb

eav

oid

ed.

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2G

alva

nis

edsh

eets

Test

cert

ific

ate

shal

lbe

furn

ished

for

visu

alch

eck,

coat

ing

thic

knes

s,ad

hes

ion

test

,shee

tth

ickn

ess,

uniform

ity

ofco

atin

g.

5.1.

3Chec

kfo

rdim

ensi

ons

&m

ass

asper

late

stIS

277.

5.1.

4Chec

kfo

rdef

ect,

twis

ts,u

nga

lvan

ised

spots

asper

IS26

29.

5.1.

5Ben

dte

st&

wra

ppin

gte

stas

per

IS27

7.

5.1.

6Zi

nc

coat

ing

test

on

sam

ple

sas

per

IS67

45.

5.2

INSP

ECTI

ON

&TE

STIN

GA

TSI

TE.

5.2.

1Th

educt

bra

nch

es,

elbow

set

c.sh

all

be

insp

ecte

dan

dth

ejo

ints

and

connec

tions

etc,

are

tobe

chec

ked

bef

ore

they

are

asse

mble

din

posi

tion.

5.2.

2A

fter

com

ple

tion,

all

duct

syst

ems

shal

lbe

chec

ked

and

test

edfo

rai

rle

akag

e,ti

ghtn

ess,

velo

city

,pre

ssure

dro

p,v

ibra

tion

and

nois

eet

c.

6.B

ALA

NCIN

G

6.1.

1Th

een

tire

air

dis

trib

uti

on

syst

emsh

all

be

bal

ance

dby

vendor

tosu

pply

the

air

quan

titi

esas

requir

edin

vari

ous

room

sso

asto

mai

nta

inth

ere

quis

ite

tem

per

ature

and

air

flow

inth

eco

nditio

ned

spac

es.

The

final

bal

ance

of

air

quan

titi

esth

rough

each

grill

/diffu

ser

etc.

shal

lbe

reco

rded

and

subm

itte

dto

purc

has

erfo

rap

pro

val.

Pro

per

step

ssh

all

be

take

nto

hav

ea

uniform

tem

per

ature

inal

len

closu

res,

with

utm

ost

care

for

nois

ele

velt

obe

wit

hin

tole

rance

limit

6.1.

2A

llin

stru

men

tsre

quir

edfo

rte

stin

g/bal

anci

ng

etc.

ofth

eai

rdis

trib

uti

on

syst

emsh

all

be

pro

vided

by

vendor. P

age

374

of 5

21

Page

383

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

390

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

LOW

PR

ESSU

RE

AIR

DIS

TRIB

UTI

ON

SY

STEM

SPEC

IFIC

ATI

ON

NO

.PES

-553

-07

V

OLU

ME

II B

SE

CT

ION

D

RE

V. 0

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AT

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7.09

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7.D

ATA

TOB

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RN

ISH

EDB

YV

END

OR

AFT

ERTH

EA

WA

RD

OF

CO

NTR

ACT

7.1

Fabri

cati

on

dra

win

gsof

duct

san

dgr

illes

,lo

uve

rs,

dam

per

s,et

c,in

cludin

gty

pic

aldet

ails

ofgr

illes

dam

per

set

c.

7.2

Test

cert

ific

ates

inlin

ew

ith

scope

ofin

spec

tion.

7.3

Oth

erdim

ensi

onal

dra

win

gs&

docu

men

tsas

may

be

requir

edby

purc

has

erfo

rbet

ter

under

stan

din

gof

the

syst

em&

for

pre

par

atio

nof

oper

atio

n,m

ainte

nan

ce&

inst

ruct

ion

man

ual

.

Pa

ge

375

of 5

21

Page

384

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

391

L

OW

PRE

SSUR

E AI

R D

ISTR

IBUT

ION

SYST

EMVO

LUM

E

II-B

DA

TA

SH

EET

- A

SE

CTI

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00

DAT

E 17

.09.

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SHEE

TO

F 2

1

Des

crip

tion

Dat

a

1.G

ener

al(L

ist

ofar

eas)

:As

per

Spec

ific

atio

n/T

ender

dra

win

g.

2.G

SSD

uct

Work

a)Ty

pe

:GSS

asper

IS:2

77

(Zin

cco

atin

gas

per

Sect

ion

Cof

Spec

ific

Tech

nic

alReq

uir

emen

ts.)

b)Si

ze:A

sper

Sect

ion

CofSp

ecific

Tech

nic

alReq

uir

emen

tsan

dbill

ofquan

tity

.

3.A

coust

iclin

ing

:Up

to5m

lengt

hfr

om

AH

UO

utl

et.

4.Sp

ecia

lpai

nti

ng

:Gal

vanis

ed.

5.Th

erm

alIn

sula

tion

:Req

uir

edin

supply

air

duct

inA

Cen

tire

lengt

h.

6.D

iffu

sers

(Cir

cula

r/Sq

uar

e)30

0m

msi

ze35

0m

msi

ze:B

idder

toes

tim

ate

asper

450

mm

size

dra

win

gs./

spec

ific

atio

n.

550

mm

size

All

grill

efr

ame

and

louve

rssh

allb

e60

0m

msi

zem

anufa

cture

dofat

leas

t16

SWG

Alu

min

ium

Any

oth

ersi

ze

7.SA

grill

es(f

or

each

size

):T

osu

itai

rflow

asper

Syst

emre

quir

emen

ts/

Tender

Dra

win

gs.

8.RA

grill

es(f

or

each

size

):

do

NO

TE:

1.D

uct

shee

tth

ickn

ess

shal

lbe

asper

IS65

5

2.O

ppose

dbla

de

type

volu

me

contr

ol

dam

per

shal

lbe

pro

vided

atea

chsu

pply

air

diffu

sers

/gri

lles.

3.Bid

der

topro

vide

suit

able

gask

etin

gat

each

duct

flan

ge.

4.Fi

redam

per

shal

lbe

moto

roper

ated

type,

when

oth

erw

ise

spec

ifie

dunder

Sect

ion

C.

5.A

cces

sdoor

induct

ing

syst

emsh

allb

epro

vided

asre

quir

ed.

6.M

SA

ngl

e(p

ainte

d)sh

allb

euse

dfo

rduct

support

set

c.

7.V

eloci

tyth

ruduct

shal

lnorm

ally

not

exce

ed9.

0M

/sec

for

Air

condit

ionin

gsy

stem

.M

axim

um

velo

city

(outl

et)fo

rsu

pply

air

diffu

ser

shal

lnot

exce

ed2.

5m

/sec

.

Pa

ge

376

of 5

21

Page

385

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

392

L

OW

PRE

SSUR

E AI

R D

ISTR

IBUT

ION

SYST

EMVO

LUM

E

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EET

- A

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CTI

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REV

00

DAT

E 17

.09.

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SHEE

TO

F 2

2

8.A

llG

rille

s&

diffu

sers

shal

lbe

support

edw

ith

fram

e.Fr

ame

etc.

shal

lbe

supplie

dby

bid

der

.

Pa

ge

377

of 5

21

Page

386

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

393

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

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6

STA

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AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FOR

PAC

KA

GE

CO

ND

ITIO

NIN

G U

NIT

Pa

ge

378

of 5

21

Page

387

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

394

TEC

HN

ICA

L SP

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-553

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ENER

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1.1

This

spec

ific

atio

nco

vers

the

des

ign,m

anufa

cture

,ins

pect

ion

and

test

ing

atth

em

anuf

actu

rer’s

work

san

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2CO

DES

AN

DST

AN

DA

RD

S

2.1

The

des

ign,

man

ufa

cture

,in

spec

tion,

test

ing

and

per

form

ance

of

the

pac

kage

dty

pe

air

condi

tioni

ng

unit

shal

lco

mply

with

all

stat

ute

s,re

gula

tions

and

safe

tyco

des

curr

ently

applic

able

inth

elo

calit

yw

her

eth

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uip

men

tw

illbe

inst

alle

d.

The

equip

men

tsh

all

also

confo

rmto

the

late

sted

itio

ns

of

the

codes

and

stan

dar

ds

spec

ifie

dher

ein

under

.N

oth

ing

inth

issp

ecific

atio

nsh

allb

eco

nstr

ued

tore

lieve

the

vend

or

ofth

isre

spons

ibili

ty.

Inpar

ticu

lar,

the

pac

kage

dai

rco

nditio

nin

gU

nit

(max

7.5

TRca

pac

ity,

duct

able

or

non

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able

type)

or

cass

ette

type

(up

to5

TR)

shal

lco

nform

toth

ela

test

editio

ns

of

the

follo

win

gst

and

ards

:

2.1.

1I.S

.660

:Saf

ety

code

for

Mec

han

ical

Ref

rige

rati

on.

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2I.S

.511

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ode

ofpra

ctic

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rm

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ent,

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t

com

pre

ssor.

2.1.

3I.S

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:Saf

ety

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.249

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Bel

tfo

rin

dust

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ose

.

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.450

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hel

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tex

chan

ger.

2.1.

7A

RI2

10:S

tandar

dfo

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yai

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ionin

geq

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ent

2.1.

8A

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70:S

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rap

plic

atio

nin

stal

lati

on

and

serv

icin

gofunitar

y

equi

pm

ent.

2.1.

9A

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:Sta

ndar

dm

ethods

ofte

stin

gfo

rra

ting

unitar

yai

rco

ndi

tioni

ng

and

hea

tpum

p/

equip

men

t.

2.1.

10A

NSI

B9

1:S

afet

yco

de

for

mec

han

ical

refr

iger

atio

n.

3D

ESIG

NA

ND

CO

NST

RU

CTI

ON

AL

REQ

UIR

EMEN

TS

3.1

Com

pres

sor

The

com

pre

ssor

shal

lbe

her

mat

icor

sem

iher

mat

icor

scre

wro

tary

type

or

scro

llty

pe.

The

sam

esh

all

be

suit

able

for

R41

0A/R

407C

/R13

4A

refr

iger

ant.

The

com

pre

ssor

shal

lbe

mounte

don

anti

vibra

tion

spri

ng/

rubber

pad

san

dsh

allb

eposi

tioned

insu

cha

way

that

itis

free

lyac

cess

able

with

suff

icie

nt

spac

eal

lar

ound

for

easy

mai

nte

nance

.Sa

fety

contr

ols

like

Hig

han

dLo

wpre

ssure

cut

outove

rload

and

singl

ephas

ing

pro

tect

ion

for

the

moto

rssh

allb

epro

vided

.Acr

ankc

ase

hea

ter

shal

lals

obe

pro

vided

,ifco

nsi

der

ednec

essa

ryby

the

vendor.

3.2

CO

ND

ENSI

NG

UN

IT

Shel

lan

dtu

be

type

wat

erco

oled

cond

ense

ror

air

coole

dco

nden

ser

with

adeq

uat

ear

eash

allbe

pro

vide

das

spec

ifie

din

Dat

aSh

eet

A.

The

cond

ensi

ng

unit

shal

lbe

com

ple

tew

ith

Pa

ge

379

of 5

21

Page

388

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

395

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

FOR

PAC

KA

GE

CO

ND

ITIO

NIN

G U

NIT

SPEC

IFIC

ATI

ON

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.PES

-553

-05

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E II

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SEC

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. 02

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9.20

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SHEE

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OF

6

mult

ipas

shea

dsan

dsh

allb

efitt

edw

ith

the

follo

win

g:

3.2.

1H

ot

gas

inle

tan

dliq

uid

outlet

connec

tion

with

shutoff

valv

efo

rliq

uid

.

3.2.

2D

rain

plu

g,ai

rve

ntan

dte

stva

lve.

3.2.

3W

ater

inle

tan

doutlet

connec

tion

with

ther

mow

ella

nd

suitab

leco

cks

resp

ective

ly.

3.2.

4Rel

iefva

lve

and

air

purg

eva

lve

(Fusi

ble

plu

gin

pla

ceofre

liefva

lve

not

acce

pta

ble

)

3.2.

5A

ny

oth

erac

cess

ory

asre

com

men

ded

by

the

man

ufa

cture

rfo

rpro

per

funct

ionin

gofth

eeq

uip

men

t.

3.3

AIR

HA

ND

LIN

GFA

N

The

air

han

dlin

gfa

nsh

allb

eofth

ece

ntr

ifuga

ltyp

ean

dw

ith

forw

ard

curv

edbla

des

.This

shal

lbe

dri

ven

by

mea

ns

ofa

thre

ephas

ein

duct

ion

moto

rth

rough

Vbel

tdri

ve.T

he

fan

stat

icpre

ssure

shal

lbe

sele

cted

for

pas

sing

air

thro

ugh

hig

hef

fici

ency

abso

lute

filt

ers,

ifsp

ecifie

din

Dat

aSh

eet

A.

3.4

FILT

ERS

Filter

ssh

allbe

of

dry

pan

elty

pe

and

shal

lbe

clea

nab

le.Th

eve

loci

tyof

air

acro

ssth

efilt

ers

shal

lnotex

ceed

1.75

m/s

ec(3

50F

PM).

3.5

CO

OLI

NG

CO

IL

The

coolin

gco

ilsh

allb

eof

dir

ect

expan

sion

type

and

shal

lbe

mad

eof

hea

vyga

uge

copper

with

alum

iniu

mfins.

The

fins

shal

lbe

bond

edto

the

copper

tubes

under

hyd

raulic

pre

ssur

e.A

dis

trib

uto

rsh

all

be

pro

vide

dfo

rfe

edin

gth

ere

frig

eran

tto

diffe

rent

sect

ions

of

the

coil.

Row

ssh

allbe

stag

gere

din

the

dir

ecti

ons

of

airf

low

.Th

eve

loci

tyof

air

acro

ssco

ilsh

all

not

exce

ed2.

5M/S

ec.(

500

FPM

).

3.6

CO

NTR

OLS

All

nec

essa

ryco

ntro

lsan

dac

cess

ori

eslik

eth

erm

ost

atic

expa

nsi

on

valv

e,re

frig

eran

tso

lenoid

valv

e,dis

trib

uto

r,filt

erdri

erin

the

liquid

lines

,shut

off

valv

es,H

P/L

Pcu

tout

for

com

pre

ssor,

ther

most

atw

ith

adju

stab

lese

ttin

gs,o

verl

oad

and

singl

ephas

ing

pre

vente

rfo

rm

oto

ret

c.ar

eto

be

pro

vided

.Th

em

icro

pro

cess

or

bas

edco

ntr

ol

pan

elsh

all

be

pro

vide

douts

ide

the

pac

kage

dunit

on

one

side.

The

contr

olp

anel

shal

lgen

eral

lybe

inlin

ew

ith

the

spec

ific

atio

nfo

rco

ntr

olp

anel

sgi

ven

else

wher

e.

The

contr

ols

hal

lbe

soin

terl

ock

edth

atth

efa

nsh

allb

est

arte

din

dep

enden

tly

firs

t,an

dth

enonly

the

com

pre

ssor.

Trip

pin

gof

the

com

pre

ssor

by

the

ther

most

ator

com

pre

ssor

cut

outs

shal

lnottr

ipth

efa

n.Th

eth

erm

ost

atse

ttin

gsh

allb

ead

just

able

3.7

REF

RIG

ERA

NT

PIP

ING

The

refr

iger

ant

pip

ing

shal

lbe

eith

erhea

vyga

uge

copper

asfu

rnis

hed

inD

ata

Shee

tA

.Th

epip

ing

shal

lbe

com

ple

tely

fact

ory

asse

mble

d,

pre

ssure

test

ed,

deh

ydra

ted

and

init

ially

char

ged

with

FREO

Nga

san

dco

mpre

ssor

oil.

The

line

acce

ssori

essh

all

incl

ude

liquid

line

shuto

ffva

lve

deh

ydra

tor,

stra

iner

,flo

win

dic

ator

and

dis

trib

uto

ret

c.

3.8

CA

BIN

ET

All

the

equip

men

ts,e

xcep

tco

ntr

olp

anel

,men

tione

dab

ove

shal

lbe

pro

vided

within

ahea

vyga

uge

shee

tm

etal

cabin

et,o

ffloor/

wal

lmounte

dty

pe.

This

shal

lbe

give

ntw

oco

ats

ofan

tico

rrosi

vean

dru

stpro

of

pai

nt,

finis

hed

with

two

coat

sof

final

pai

nt

.Pai

nting

shal

lbe

asper

man

ufa

cture

rsst

dunle

sssp

ecifie

doth

erw

ise

indat

ash

eet

‘A’.

The

inte

rior

of

the

cabin

etsh

all

be

pro

vided

with

ther

mal

and

acou

stic

insu

lati

on

of

min

imum

25m

mth

ick.

The

insu

lati

ng

mat

eria

lshal

lbe

fire

pro

of.

Pa

ge

380

of 5

21

Page

389

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

396

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

FOR

PAC

KA

GE

CO

ND

ITIO

NIN

G U

NIT

SPEC

IFIC

ATI

ON

NO

.PES

-553

-05

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.0

9.20

12

SHEE

T4

OF

6

The

front

and

bac

ksi

de

of

the

cabin

ets

shal

lbe

easi

lyre

mova

ble

pro

vidin

gm

ainte

nan

ceto

allt

he

inte

rior

par

ts.

All

the

elec

tric

wir

esw

ithin

the

cabin

etsh

allru

nin

flex

ible

cond

uit

san

dca

rry

iden

tifica

tion

tags

.The

bott

omsi

de

ofth

epan

elsh

allb

esp

ecia

llyri

bbed

tota

keca

reofth

etr

ansp

ort

atio

n.

3.9

OTH

ERA

CCES

SOR

IES

Each

pac

kage

dai

rco

nditio

ner

shal

lbe

pro

vided

with

requir

ednum

ber

of

neo

pre

ne

rubber

isola

ting

pad

s.

4CO

NTR

OL

AN

DIN

TER

LOCK

REQ

UIR

EMEN

TS

The

com

pre

ssor

shal

lhav

eal

lpro

tect

ive

dev

ices

like

HP/

LPcu

touts

,ove

rload

pro

tect

ion

for

the

moto

r,si

ngl

ephas

ing

pre

vento

rfo

rm

oto

ret

c.

The

inte

rlock

ing

requir

emen

tsh

allb

eas

indic

ated

bel

ow

:

4.1

The

com

pre

ssor

shal

lnot

star

t,unle

ssco

nden

ser

wat

erflow

isac

hie

ved

for

wat

erco

ole

dco

nden

ser.

The

cond

ense

rflow

shal

lbe

sense

dby

mea

ns

ofa

flow

switch

.

4.2

The

com

pre

ssor

shal

lnotst

artunle

ssth

eev

apora

tor

fan

isst

arte

d.

4.3

The

trip

pin

gofco

mpre

ssor

on

HP/L

P,ove

rload

or

on

ther

most

atsh

alln

ottr

ipth

efa

n.

4.4

Stri

phea

ter

(if

pro

vided

inth

educt

ing

syst

em)

shal

lnot

be

swit

ched

on,

unle

ssth

eev

apor

ator

fan

isst

arte

dan

dai

rflo

wis

esta

blis

hed

.Fo

rth

ispurp

ose

,an

air

stat

on

flow

swit

chsh

allb

euse

d.T

he

hea

ter

shal

lbe

separ

atel

yco

ntro

lled

by

hum

idis

tat/

ther

mos

tat

4.5

Ahum

idifyi

ng

pac

kage

,ifsp

ecifie

din

dat

ash

eet

A,s

hal

lbe

cont

rolle

dby

hum

idis

tat.

5TE

STA

ND

INPSE

CTI

ON

5.1

Insp

ection

and

Test

ing

atM

anuf

actu

rer’s

Work

s

5.1.

1st

atic

and

dyn

amic

test

for

fans

5.1.

2H

ydro

stat

icst

atic

test

on

cond

ense

ran

dco

olin

gco

il.

5.1.

3va

cuum

/pre

ssure

test

for

the

com

ple

tere

frig

erat

ion

circ

uit

.

5.1.

4V

isua

land

Free

runnin

gte

stofth

epac

kage

dunit

on

test

bed

.

5.1.

5Fr

eeru

nnin

gte

ston

com

pre

ssor.

5.1.

6A

IRCA

P ACIT

YW

ITH

AN

EMO

MET

ER.

5.1.

7N

OIS

ELE

VEL

<=85

dB(A

).

5.1.

8O

ther

test

sas

per

appro

ved

qual

itie

spla

n/s

cope

ofin

spec

tion.

5.2

Insp

ecti

onan

dTe

stin

gat

Site

5.2.

1Per

form

ance

test

ing

of

the

pac

kage

dunit

for

72hours

insu

mm

er/

monso

on

&24

hours

inw

inte

r.U

pto

3TR

(indiv

idual

M/c

capac

ity)

insi

de

room

tem

per

ature

(Dry

&w

etbulb

)w

illbe

chec

ked

with

allm

achin

esin

the

room

oper

atin

g.

The

actu

alday

sof

test

ing

shal

lbe

mutu

ally

agre

ed.

Duri

ng

the

above

test

ing,

the

follo

win

gre

adin

gssh

allb

eta

ken

toco

mpa

reth

esa

me

with

guar

ante

edper

form

ance

dat

a.

5.2.

1.1

Conden

ser

inle

tan

doutlet

pre

ssur

ean

dte

mper

ature

5.2.

1.2

Ente

ring

and

leav

ing

air

tem

per

ature

ofth

eco

olin

gco

ilai

rfilt

ers.

Pa

ge

381

of 5

21

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390

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

397

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

FOR

PAC

KA

GE

CO

ND

ITIO

NIN

G U

NIT

SPEC

IFIC

ATI

ON

NO

.PES

-553

-05

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.0

9.20

12

SHEE

T5

OF

6

5.2.

1.3

Moto

rcu

rren

tfo

rth

eco

mpre

ssor

and

blo

wer

.

5.2.

1.4

Air

quan

tity

del

iver

edby

the

fan.T

his

shal

lbe

com

pute

dby

addin

gai

rquan

tity

leav

ing

allt

he

grill

esen

teri

ng

the

air

filt

ers.

Room

tem

per

ature

(Dry

&w

etbulb

)

5.2.

1.5

Test

toen

sure

allc

ontr

ols

and

safe

tyin

stru

men

tsar

ew

ork

ing

pro

per

ly.

Duri

ngth

eab

ove

test

ing,

nois

ele

vela

lso

will

be

chec

ked

toen

sure

that

the

sam

ear

ew

ithin

acce

pta

ble

limit

s.A

ny

undue

vibra

tion

det

ecte

dphys

ical

lyw

illbe

corr

ecte

d.

All

tools

and

inst

rum

ents

requir

edfo

rth

eab

ove

test

ing

will

be

pro

vided

by

the

vendor.

6PA

INTI

NG

:

The

pac

kage

dunit

shal

lbe

give

ntw

oco

ats

of

pri

mer

pai

nt

finis

hed

with

two

coat

sof

finis

hpai

ntas

per

Man

ufa

cture

rsst

d.

unle

sssp

ecifie

doth

erw

ise

else

wher

e/D

ata

shee

t‘A

’.Th

eco

lour

offinis

hpai

ntw

illbe

assp

ecifie

din

Dat

aSh

eet

A.

7G

UA

RA

NTE

ES

The

pac

kage

unit

shal

lbe

guar

ante

edfo

rper

form

ance

mea

sure

din

term

sof

the

insi

de

tem

per

ature

mai

nta

ined

.

The

pac

kage

dunit

shal

lals

obe

free

from

any

man

ufa

cturi

ng

def

ects

and

shal

lbe

guar

ante

edas

per

contr

act

afte

rth

efirs

tte

stas

per

5.0

issu

cces

sfully

carr

ied

out,

and

the

pla

nt

take

nove

rby

the

purc

has

er.

8N

AM

EPLA

TES

Suit

able

Nam

epla

teas

per

Dat

aSh

eet

‘A’,

dep

icting

the

equip

men

tnum

ber

asdes

ignat

edin

Dat

aSh

eet

Ash

allbe

pro

vide

dfo

rea

chpac

kage

dunit

and

scre

wed

toa

pro

min

ent

posi

tion

on

the

pac

kage

dunit.

Pa

ge

382

of 5

21

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391

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

398

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

FOR

PAC

KA

GE

CO

ND

ITIO

NIN

G U

NIT

SPEC

IFIC

ATI

ON

NO

.PES

-553

-05

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.0

9.20

12

SHEE

T6

OF

6

9.D

ATA

TOB

EFU

RN

ISH

EDA

FTER

AW

AR

DO

FCO

NTR

ACT

9.1

Final

tech

nic

aldat

aas

per

Dat

aSh

eet

B

9.2

G.A

.and

inte

rior

view

ofpac

kage

dunit

9.3

Elec

tric

alw

irin

gdia

gram

9.4

Cat

alogu

esfo

ral

lcontr

ols

9.5

O&

MM

anual

9.6

Erec

tion

Man

ual

Pa

ge

383

of 5

21

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392

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

399

PAC

KA

GE

-CO

ND

ITIO

NIN

G U

NIT

VOLU

ME

II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E 1

7.09

.201

2

SHEE

T

O

F 1

1

DES

CR

IPTI

ON

DA

TA

1)Cap

acity

ofth

eunit

atoper

atin

gco

nditio

ns.

:As

spec

ifie

d

2)N

um

ber

sre

quir

ed:R

efer

toSe

ctio

nC

ofSp

ecific

Tech

nic

alReq

uir

emen

ts

3)D

esig

nat

ion

ofth

eunit

:Pac

kage

AC

Unit

4)W

het

her

air

coole

d/w

ater

coole

d:R

efer

toSe

ctio

nC

ofSp

ecific

Tech

nic

alReq

uir

emen

ts

5)Th

epla

nt

shal

lbe

suit

able

for

max

imum

:Ref

eroutd

oor

des

ign

conditio

nas

ambie

ntte

mp.

spec

ifie

d.

6)W

het

her

aple

num

Cham

ber

requir

ed:U

nit

ssh

allb

eco

nnec

ted

tofr

esh

air

duct

s.

OR

Whet

her

tobe

connec

ted

duct

syst

em.

:Yes

.

7)W

het

her

Hum

idifie

rre

quir

edfo

rhum

idit

y:R

efer

toSe

ctio

nC

ofSp

ecific

Tech

nic

alco

ntr

ol.

Req

uir

emen

ts

8)W

het

her

stri

phea

ters

requir

edfo

rw

inte

r:R

efer

toSe

ctio

nC

ofSp

ecific

Tech

nic

alhea

ting.

Req

uir

emen

ts

9)W

het

her

stri

phea

ter

requir

edfo

rH

um

idit

y:R

efer

toSe

ctio

nC

ofSp

ecific

Tech

nic

alco

ntr

ol.

Req

uir

emen

ts

10)

Final

pai

nti

ng

colo

ur

shad

e:

Subje

ctto

appro

val

/duri

ng

det

ail

engi

nee

ring

stag

e.

11)

Whet

her

fan

stat

icpre

ssure

isto

be

:Yes

.des

igned

for

filt

ers

arra

nge

men

tsh

ow

n.

12)

Inst

alla

tion

support

ing

stru

cture

/:R

equir

ed.D

rain

pip

ing

with

insu

lati

on

up

toth

edra

inpip

ing,

insu

lati

on.

nea

rest

dra

inpoin

t.

13)

Contr

ols

&In

stru

men

ts:Y

es(L

ot)

14)

Isola

tion

Switch

:Yes

Pa

ge

384

of 5

21

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393

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

400

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FO

RA

IR F

ILTE

R

SPEC

IFIC

ATI

ON

NO

.PES

-553

-06

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: 17.

09.2

012

SHEE

T1

OF

4

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FOR

AIR

FIL

TER

Pa

ge

385

of 5

21

Page

394

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

401

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FO

RA

IR F

ILTE

R

SPEC

IFIC

ATI

ON

NO

.PES

-553

-06

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: 17.

09.2

012

SHEE

T2

OF

4

1.G

ENER

AL

This

spec

ific

atio

nco

vers

the

des

ign,

man

ufa

cture

,in

spec

tion

and

test

ing

atm

anuf

actu

rer’s

work

or

his

sub

cont

ract

or’s

work

sof

Air

filt

ers

tobe

use

dfo

rai

rco

ndit

ionin

gan

dve

ntila

tion

syst

em.

2.CO

DES

AN

DST

AN

DA

RD

S

This

des

ign,

man

ufa

cture

and

per

form

ance

of

AIR

FILT

ERS

shal

lco

mply

wit

hal

lcu

rren

tly

applic

able

stat

ute

s,re

gula

tion

and

safe

tyco

des

inth

elo

calit

yw

her

eth

eeq

uip

men

tw

illbe

inst

alle

d.

The

equip

men

tsh

all

also

confo

rmto

late

stap

plic

able

India

n/B

riti

sh/U

SAst

andar

ds.

Noth

ing

inth

issp

ecific

atio

nsh

all

be

const

rued

tore

lieve

the

vendor

of

this

resp

onsi

bili

ty.Th

efo

llow

ing

stan

dar

ds,

inpar

ticu

lar,

shal

lbe

applic

able

for

cert

ifie

dra

tings

of

filt

ers

and

for

conduct

ing

per

form

ance

test

,if

requir

ed.

a)BS

EN77

9M

ethods

of

test

for

air

filter

suse

din

air

conditio

nin

gan

dge

ner

alve

nti

lati

on.

3.G

ENER

AL

The

encl

ose

dD

ata

shee

tA

give

sth

ety

pe

and

oth

erpar

ticu

lars

offilter

sre

quir

ed.

3.1

PO

LYFI

BR

EA

IRFI

LTER

S

Filter

ing

med

iash

all

consi

stof

asu

itab

lefibro

us

mat

eria

l(e

.g.

poly

ethyl

ene

extr

uded

sect

ions

coir

etc.

)pac

ked

into

a20

gauge

sG

SSfr

amew

ork

,co

mple

tew

ith

han

dle

set

c.Th

efilt

erel

emen

tsh

allbe

support

edby

galv

anis

edst

eelw

ire

mes

hof

10m

m.

sq.

on

eith

ersi

de,

Vel

oci

tyac

ross

the

filt

ers

shal

lnot

exce

ed2.

5M

/sec

.A

vera

geef

fici

ency

Em(%

)sh

allb

e>/

=80

asper

BS

EN77

9.

3.2

DRY

FAB

RIC

AIR

FILT

ERS

Filt

erel

emen

tsh

allb

epre

ssed

felt

filt

erfa

bri

cor

suit

able

mat

eria

lrec

om

men

ded

by

the

man

ufa

cture

r,st

itch

edon

toga

lvan

ised

wir

ega

uge

support

and

crim

ped

tofo

rmdee

pfo

lds.

Suit

able

alum

iniu

msp

acer

ssh

all

be

pro

vided

toen

sure

uniform

dis

trib

uti

on

of

air

flow

thro

ugh

filt

ers.

Filt

erca

sing

shal

lbe

pro

vided

with

neo

pre

ne

sponge

rubber

seal

ing,

The

filt

ersh

all

hav

eA

vera

geef

fici

ency

Em(%

)of

>/=

95as

per

BS

EN77

9.

3.3

PA

NEL

TYPE

MET

ALL

ICFI

LTER

S(D

RY/V

ISCO

US)

Filt

ersh

all

consi

stof

Vfo

ldga

lvan

ised

wir

em

esh

inte

rspac

edw

ith

flat

laye

rsof

galv

anis

edw

ire

mes

h.

The

den

sity

of

med

iash

all

incr

ease

inth

edir

ecti

on

of

air

flow

.Ed

ges

of

wir

em

esh

shal

lbe

suit

ably

hem

med

topre

vent

abra

sion

duri

ng

han

dlin

g.Th

em

edia

shal

lbe

support

edon

eith

ersi

de

by

galv

anis

edex

pan

ded

met

alca

sing.

The

fram

ework

shal

lbe

atle

ast

18ga

uge

GSS

.Fi

lter

shal

lbe

eith

erdry

or

wet

ted

type

asper

dat

ash

eet=

A.T

he

oil

shal

lbe

min

eral

oil

of

appro

ved

qual

ity

and

mak

e.A

sa

the

filt

erfr

ame

mad

eof

Alu

min

ium

allo

yco

nfo

rmin

gto

IS:7

37ca

nbe

consi

der

edunle

ssuse

of

alum

iniu

mis

pro

hib

ited

oth

erw

ise

due

tosi

teco

ndit

ions

bei

ng

salin

e/co

rrosi

ve.

All

filt

ers

shal

lbe

capab

leof

bei

ng

clea

ned

of

thei

rac

cum

ula

ted

dust

by

tap

wat

erflush

ing.

The

dry

met

allic

filt

ersh

allh

ave

Ave

rage

arre

stan

ceA

m(%

)sh

allb

e>/

=90

.

Pa

ge

386

of 5

21

Page

395

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

402

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FO

RA

IR F

ILTE

R

SPEC

IFIC

ATI

ON

NO

.PES

-553

-06

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: 17.

09.2

012

SHEE

T3

OF

4

How

ever

oil

wet

ted

air

filter

ssh

allhav

eA

vera

geEf

fici

ency

Em(%

)>/

=90

asper

BS

EN77

9..

3.4

AU

TOM

ATI

CCLE

AN

ING

FILT

ERS

This

shal

lco

nsi

stof

afilt

erm

atan

ddro

pel

imin

ator,

dri

ven

by

asu

itab

lyra

ted

gear

edm

oto

runit

bei

ng

support

edon

ast

eelf

ram

ework

.The

filt

erm

atsh

allc

onsi

stof

anen

dle

ssst

eelw

ire

mat

inse

tsof

stee

lmes

hhel

dbet

wee

nan

upper

&a

low

ersh

all

dro

pel

imin

ator

shal

lco

nsi

stof

anen

dle

sst

eel

wir

ew

ithout

inse

tsof

stee

lm

esh.

The

unit

shal

lin

clude

asu

itab

leoil

pum

p,

glad

gera

king

mec

han

ism

and

sludge

conta

iner

and

tensi

onin

gdev

ice.

Pre

ssure

dro

psh

allbe

limit

edto

0.5

/m

mW

Gw

hen

clea

n&

10m

mw

hen

dir

ty.

Air

velo

city

acro

ssfilt

ersh

all

not

exce

ed3

M/s

ec.

3.5

ABSO

LUTE

FILT

ERS

Filt

ers

shal

lbe

const

ruct

edby

ple

atin

ga

conti

nuous

shee

tof

filt

erm

ediu

min

tocl

ose

lysp

aced

ple

ats

separ

ated

by

hea

vyco

rruga

ted

alum

iniu

msp

acer

s.Th

eysh

all

be

indiv

idual

lyte

sted

and

cert

ifie

dto

hav

ean

effici

ency

of

not

less

than

99.9

7%

when

test

edw

ith

0.3

mic

ron

dio

ctyp

hal

ate

smoke

asper

IS:2

831

.Th

ecl

ean

filt

erin

itia

lst

atic

pre

ssure

dro

psh

allnot

be

grea

ter

than

25m

mW

Cat

rate

dca

pac

ity.

Aneo

pre

ne

sponge

rubber

seal

ing

shal

lbe

pro

vided

on

eith

erfa

ceoffilt

erfr

ame.

3.6

WA

TER

REP

ELLA

NT

NYLO

NFI

LTER

S

This

shal

lbe

const

ruct

edof

wat

erre

pel

lent

nyl

on

fabri

cw

ith

conti

nuous

wat

ersp

rayi

ng

on

itfr

om

ahea

der

for

keep

ing

itcl

ean.E

ffic

iency

ofth

isfilt

ersh

allb

e85

%dow

nto

10m

icro

ns.

This

filt

ersh

allb

euse

dfo

runit

ary

air

filt

rati

on

syst

emonly

.

4.IN

SPEC

TIO

N&

TEST

ING

The

scope

ofin

spec

tion

for

air

filt

ers

shal

lbe

asbel

ow

:

4.1

Dim

ensi

onal

insp

ecti

on

offr

ame

&filt

erm

edia

.

4.2

Wit

nes

sing

of

type

test

son

one

per

type

per

size

air

filter

sfo

rth

efo

llow

ing

pro

per

ties

.

a)G

ravi

met

ric

effici

ency

.

b)Pre

ssure

dro

pin

clea

n&

dir

ty(c

hoke

d%

age

tobe

spec

ifie

d)co

nditio

n.

c)Ef

fici

ency

asper

BS

EN77

9.

4.3

Ver

ific

atio

nof

type

test

cert

ific

ates

for

sim

ilar

type

&si

zeof

filt

ers

for

sodiu

mflam

ete

stas

per

BS

3928

(ifap

plic

able

refe

rdat

ash

eet)

.

Pa

ge

387

of 5

21

Page

396

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

403

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FO

RA

IR F

ILTE

R

SPEC

IFIC

ATI

ON

NO

.PES

-553

-06

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: 17.

09.2

012

SHEE

T4

OF

4

5.D

ATA

TOB

EFU

RN

ISH

EDB

YV

END

OR

AFT

ERA

WA

RD

OF

CO

NTR

ACT

5.1

GA

Dra

win

g.

5.2

Dra

win

gsh

ow

ing

mat

eria

l/co

nst

ruct

ion

det

ail

5.3

Inst

alla

tion

and\s

ervi

cem

anual

5.4

Rat

ing

curv

es/c

har

ts

5.5

Test

cert

ific

ates

5.6

Elec

t.dia

gram

s(w

hen

auto

mat

iccl

eanin

gty

pe)

Pa

ge

388

of 5

21

Page

397

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

404

AIR

FIL

TE

R

VOLU

ME

II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E 1

7.09

.201

2

SHEE

T

O

F 1

1

DES

CR

IPTI

ON

DA

TA

1)G

ener

al

1.1

Serv

ice

:Air

Conditio

nin

g.

1.2

Loca

tion

:Cen

tral

Air

condit

ionin

gpla

nt,

&pac

kage

AC

pla

nt,

fres

hai

rfa

nsy

stem

.Als

ofo

rsp

litA

C.

1.3

Nos.

:Ref

erSe

ctio

n‘C

’ofSp

ecific

atio

n.

1.4

Tota

lair

flow

/typ

e:R

efer

Sect

ion

‘C’o

fSp

ecific

atio

n.

1.5

Tem

per

ature

:As

per

pro

ject

info

rmat

ion.

1.6

Rel

ativ

eH

um

idit

y:1

00%

1.7

Gas

Com

posi

tion

:Atm

osp

her

icA

ir(D

ust

y)as

pre

vale

nt

inpow

erSt

atio

n.

1.8

Filt

erM

edia

:Syn

thet

icnon

wove

n

1.9

Effici

ency

:Ave

rage

arre

stan

ceef

fici

ency

of65

80%

for

Dry

Pan

elfilt

er(p

refilt

ers)

and

aver

age

arre

stan

ceEf

fici

ency

of80

90%

for

fine

filt

ers.

1.10

Allo

wab

lepre

ssue

dro

p:2

.5m

m&

6.5

mm

incl

ean

and

dir

tyco

nditio

nre

spec

tive

lyfo

rdry

pan

elfilt

ers(

pre

filt

ers)

.12

mm

incl

ean

conditio

nfo

rfine

filt

ers.

1.11

Fram

eW

ork

:18

G,G

SS.

1.12

Mounti

ng

:Lad

der

Type

M.S

Angl

es(g

alva

nis

ed)

1.13

Size

:600

x60

0m

m

Note

:1)

Face

velo

city

ofai

rac

ross

the

filt

ers

shal

lnot

exce

ed2.

5m

/sec

.

Pa

ge

389

of 5

21

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398

of 4

94

4485

26/2

021/

PS

-PE

M-M

AX

405

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

THER

MA

L IN

SULA

TIO

N F

OR

CO

LD

SUR

FAC

ES

SPEC

IFIC

ATI

ON

NO

.PES

-553

-08

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.

09.2

012

SHEE

T1

OF

6

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FOR

THER

MA

L IN

SULA

TIO

N F

OR

CO

LD S

UR

FAC

ES

Pa

ge

390

of 5

21

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399

of 4

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4485

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PS

-PE

M-M

AX

406

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

THER

MA

L IN

SULA

TIO

N F

OR

CO

LD

SUR

FAC

ES

SPEC

IFIC

ATI

ON

NO

.PES

-553

-08

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.

09.2

012

SHEE

T2

OF

6

1.SC

OPE

This

spe

cific

atio

n co

vers

des

ign,

man

ufac

ture

, te

stin

g at

man

ufac

ture

rs

wor

ks,

supp

ly, a

pplic

atio

n &

finis

hing

of i

nsul

atio

n fo

r co

ld p

ipin

g, a

ir co

nditi

onin

g du

ctin

g &

equi

pmen

t for

low

tem

pera

ture

ser

vice

.

2.C

OD

ES &

ST

AN

DA

RD

S Th

e de

sign

, m

anuf

actu

re

and

perfo

rman

ce

of

mat

eria

ls

cove

red

unde

r th

is

spec

ifica

tion

shal

l com

ply

with

all

curre

ntly

app

licab

le s

tatu

es,

regu

latio

ns &

saf

ety

code

s in

the

loca

lity

whe

re t

he e

quip

men

t/mat

eria

l are

to b

e in

stal

led.

The

mat

eria

l sh

all a

lso

conf

orm

to th

e la

test

app

licab

le In

dian

/Brit

ish/

Amer

ican

cod

es &

sta

ndar

ds.

Not

hing

in

th

is

spec

ifica

tion

shal

l be

co

nstru

ed

to

relie

ve

the

vend

or

of

his

resp

onsi

bilit

y. I

n pa

rticu

lar,

the

mat

eria

l sh

all

conf

orm

to

the

late

st e

ditio

ns o

f th

e fo

llow

ing

stan

dard

s :-

IS:3

069 :

G

LOSS

ARY

OF

TER

MS

& SY

MBO

LS &

UNI

TS R

ELAT

ING

TO

TH

ERM

AL IN

SULA

TIO

N

mat

eria

ls.

2.1

IS:4

671

: Ex

pand

ed p

olys

tyre

ne fo

r the

rmal

insu

latio

n pu

rpos

es.

2.2

IS:3

677

: M

iner

al w

ool f

or th

erm

al in

sula

tion.

2.3

IS:8

183

: R

esin

bon

ded

min

eral

woo

l.

3.D

ESI

GN

RE

QU

IRE

ME

NTS

3.1

The

insu

latin

g m

ater

ial a

s w

ell a

s pr

otec

tive

cove

ring

shal

l be

new

& u

nuse

d, n

on-

corro

sive

, ver

min

/rode

nt p

roof

and

sha

ll be

gua

rant

eed

to w

ithst

and

cont

inuo

usly

&

with

out

dete

riora

tion

the

max

imum

/min

imum

tem

pera

ture

s to

whi

ch t

hey

may

be

subj

ecte

d to

, und

er s

peci

fied

site

con

ditio

ns.

3.2

The

insu

latio

n m

ater

ial m

ust b

e lig

ht w

eigh

t, st

rong

, fre

e fro

m s

hots

& c

oars

e fib

re &

sh

all

prov

ide

high

ins

ulat

ion

effic

ienc

y at

low

wei

ght

& co

at.

It sh

ould

be

non-

hygr

osco

pic

& sh

ould

not

rot

. It s

hall

not s

ettle

or

shak

e do

wn

even

whe

n su

bjec

ted

to p

rolo

nged

vib

ratio

ns.

3.3

The

insu

latio

n m

ater

ial,

dens

ity a

nd t

hick

ness

etc

. Sh

all

be a

s sp

ecifi

ed i

n D

ATA

SHEE

T A.

4.A

PPLI

CA

TIO

N D

ETA

ILS

4.1

The

surfa

ce t

o be

ins

ulat

ed s

hall

be t

horo

ughl

y cl

eane

d an

d al

low

ed t

o dr

y.

Pres

sure

/hyd

rost

atic

test

s, if

any

, sha

ll be

car

ried

out b

efor

e ap

plic

atio

n of

insu

latio

n.

4.2

A la

yer o

f sol

vent

free

, ant

icor

rosi

ve p

aint

sha

ll be

app

lied

& al

low

ed to

dry

.

4.3

Hot

indu

stria

l bitu

men

of

grad

e 85

/40

or 8

5/25

con

form

ing

to la

test

IS:7

02 s

hall

be

unifo

rmly

app

lied

@ 1

.5 k

g/sq

.m o

n th

e su

rface

to b

e in

sula

ted.

A s

imila

r la

yer s

hall

also

be

appl

ied

on t

he i

nsid

e su

rface

& e

dges

of

the

insu

latio

n. A

sui

tabl

e co

ld

adhe

sive

com

poun

d m

ay a

lso

be u

sed

in p

lace

of b

itum

en.

4.4

Insu

latio

n in

the

form

of p

ipe

sect

ions

/rolls

sla

bs o

f spe

cifie

d de

nsity

& th

ickn

ess

shal

l be

stu

ck t

o th

e co

ated

sur

face

with

join

ts s

tagg

ered

& w

ell b

utte

d &

secu

red.

The

ad

join

ing

sect

ions

sha

ll be

tigh

tly p

ress

ed to

geth

er. A

ll th

e jo

ints

sha

ll be

sea

led

with

Pa

ge

391

of 5

21

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400

of 4

94

44

85

26

/20

21

/PS

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40

7

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HN

ICA

L SP

ECIF

ICA

TIO

N

THER

MA

L IN

SULA

TIO

N F

OR

CO

LD

SUR

FAC

ES

SPEC

IFIC

ATI

ON

NO

.PES

-553

-08

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.

09.2

012

SHEE

T3

OF

6

bitu

men

/equ

ival

ent a

dhes

ive.

Voi

ds if

any

sha

ll be

pac

ked

with

sui

tabl

y cu

t pie

ces

of

insu

latio

n m

ater

ial.

4.5

In c

ase

of d

oubl

e la

yer

appl

icat

ion

both

circ

umfe

rent

ial &

long

itudi

nal j

oint

s sh

all b

e su

itabl

y st

agge

red.

5.V

APO

R S

EAL

ING

& IN

SUL

ATI

ON

FIN

ISH

Th

e in

sula

tion

shal

l be

treat

ed f

or v

apor

sea

ling

& w

eath

er p

roof

ing

& fin

ishe

d as

sp

ecifi

ed in

DAT

A SH

EET

A Th

e ac

cept

able

type

s of

fini

shes

are

out

lined

bel

ow:-

5.1

FINI

SHIN

G S

YSTE

M I:

EXT

ERNA

L IN

SULA

TIO

N W

ITH

PLA

STER

FIN

ISH

5.1.

1 A

thic

k va

por s

eal o

f hot

bitu

men

@ 2

.5 k

g/Sq

m s

hall

be a

pplie

d on

the

oute

r sur

face

of

insu

latio

n &

allo

wed

to d

ry.

5.1.

2 Th

e su

rface

sha

ll th

en b

e w

rapp

ed w

ith 2

0mm

(3/4

"_ h

exag

onal

mes

h of

24

SWG

GI

wire

, but

ting

all t

he jo

ints

& la

ced

dow

n w

ith 2

2 SW

G G

I lac

ing

wire

.

5.1.

3 12

.5m

m (

1/2

inch

) th

ick

sand

cem

ent p

last

er in

the

ratio

of (

1:1)

sha

ll be

app

lied

in

two

laye

rs,

the

seco

nd l

ayer

bei

ng b

roug

ht t

o a

smoo

th f

inis

h. A

wat

er p

roof

ing

com

poun

d sh

all b

e ad

ded

to th

e ce

men

t bef

ore

its a

pplic

atio

n.

5.2

FINI

SH S

YSTE

M I

I: EX

TERN

AL I

NSUL

ATIO

N W

ITH

PLAS

TER

FINI

SH O

VER

POLY

THEN

E.

5.2.

1 Th

e in

sula

tion

shal

l be

cov

ered

with

500

g p

olyt

hene

/pol

ythe

ne b

onde

d H

essi

ans

(PBH

) w

ith 5

0mm

ove

rlap

on lo

ngitu

dina

l & c

ircum

fere

ntia

l joi

nts.

Ove

rlaps

sha

ll be

se

aled

with

syn

thet

ic a

dhes

ive

in c

ase

o-f p

olyt

hene

& li

bera

l coa

t of b

itum

en in

cas

e of

PBH

:

5.2.

2 Th

e su

rface

sha

ll th

en b

e w

rapp

ed w

ith 2

0mm

(3/4

") m

esh

of 2

4 SW

G G

I wire

but

ting

all t

he jo

ints

& la

ced

dow

n w

ith 2

2 SW

G G

I lac

ing

wire

.

5.2.

3 12

.5m

m th

ick

(1/2

inch

) sa

nd c

emen

t pla

ster

in r

atio

of(4

:1)

shal

l be

appl

ied

in t

wo

laye

rs,

the

seco

nd l

ayer

bei

ng b

roug

ht t

o a

smoo

th &

eve

n fin

ish

sim

ilarly

as

desc

ribed

abo

ve.

5.3

FINI

SH II

I:EXT

ERNA

L IN

SULA

TIO

N W

ITH

SHEE

T M

ETA

L FI

NISH

5.

3.1

The

insu

latio

n sh

all b

e co

vere

d w

ith 5

00g

poly

then

e w

ith 5

0mm

ove

rlaps

at

join

ts

whi

ch s

hall

be s

eale

d w

ith s

ynth

etic

adh

esiv

e or

equ

ival

ent c

ompo

und.

5.3.

2 Th

e po

lyth

ene

shal

l be

cove

red

with

24

gaug

e G

I/alu

min

um s

heet

5.3.

3 25

mm

wid

e x

22 S

WG

GI/a

lum

inum

per

iphe

ral

stra

ps s

hall

be f

ixed

ove

r th

e G

I/alu

min

um s

heet

at 3

00m

m c

entre

s to

sec

ure.

5.4

FINI

SH I

V: E

XTER

NAL

INSU

LATI

ON

WIT

H PL

ASTE

R &

WAT

ER P

RO

OFI

NG

COM

POUN

D Fo

r duc

ts &

pip

ing

expo

sed

to a

tmos

pher

e, th

e fin

ish

shal

l be

as fo

llow

s:

5.4.

1 A

thic

k va

por

seal

of

hot

bitu

men

at

2.05

kg/

sq.m

sha

ll be

app

lied

on t

he o

uter

su

rface

of i

nsul

atio

n &

allo

wed

to d

ry.

5.4.

2 Th

e su

rface

sha

ll th

en b

e w

rapp

ed w

ith 2

0mm

(32/

4") h

exag

onal

mes

h of

24

SWG

GI

Wire

but

ting

all t

he jo

ints

& la

ced

dow

n w

ith 2

23 S

WG

GI l

acin

g w

ire.

5.4.

3 12

.5m

m th

ick

(1/*2

inch

) san

d ce

men

t pla

ster

in ra

tio o

f (4:

1) s

hall

be a

pplie

d in

two

laye

rs,

the

seco

nd l

ayer

bei

ng b

roug

ht t

o a

smoo

th f

inis

h w

ith w

ater

pro

ofin

g co

mpo

und

adde

d to

the

cem

ent.

Pa

ge

392

of 5

21

Page

401

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

40

8

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

THER

MA

L IN

SULA

TIO

N F

OR

CO

LD

SUR

FAC

ES

SPEC

IFIC

ATI

ON

NO

.PES

-553

-08

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.

09.2

012

SHEE

T4

OF

6

5.4.

4 3

mm

(1/

8")

thic

k co

at o

f wat

er p

roof

ing

com

poun

d sh

all b

e ap

plie

d &

wra

pped

with

fib

re g

lass

RP

tissu

e. A

fina

l coa

t of 3

mm

thic

k w

ater

pro

ofin

g co

mpo

und

shal

l the

n be

app

lied

over

the

fibe

rgla

ss R

P tis

sue

& al

low

ed to

dry

. Alte

rnat

ivel

y, in

pla

ce o

f w

ater

pro

ofin

g as

des

ired

abov

e, t

ar f

elt

type

3 g

rade

1 o

f IS

132

2 w

ith j

oint

s ov

erla

pped

by

75m

m s

hall

be fi

xed

& se

aled

with

bitu

men

& o

ver t

his

24 S

WG

. 25m

m

hexa

gona

l GI m

esh

shal

l be

fixed

with

22

swig

. GI l

acin

g w

ire &

fina

lly b

itum

en p

aint

sh

all b

e ap

plie

d ov

er w

ire n

ettin

g.

Pa

ge

393

of 5

21

Page

402

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

40

9

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

THER

MA

L IN

SULA

TIO

N F

OR

CO

LD

SUR

FAC

ES

SPEC

IFIC

ATI

ON

NO

.PES

-553

-08

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.

09.2

012

SHEE

T5

OF

6

6.IN

SUL

ATI

ON

OF

PUM

PS &

VA

LVE

S

6.1

For

all

insp

ectio

n co

vers

& h

atch

es o

n eq

uipm

ent,

pum

p ca

sing

& v

alve

bod

ies,

fla

nges

etc

. the

insu

latio

n sh

all b

e ap

plie

d su

ch a

s to

faci

litat

e re

mov

al w

ith m

inim

um

dam

age

to t

he in

sula

tion.

Thi

s sh

all b

e ac

hiev

ed b

y en

casi

ng t

he i

nsul

atio

n in

22

gaug

e al

umin

um s

heet

met

al b

oxes

, w

hich

sha

ll be

bol

ted

toge

ther

aro

und

the

equi

pmen

t to

per

mit

easy

rem

oval

& r

epla

cem

ent.

Prop

er c

are

shal

l be

tak

en t

o m

aint

ain

cont

inui

ty o

f va

por

seal

bet

wee

n th

e st

atic

& r

emov

able

par

titio

ns o

f th

e in

sula

tion.

6.2

The

tend

erer

may

offe

r th

ickn

ess

of in

sula

tion

& fin

ishe

s ot

her

than

that

spe

cifie

d in

D

ATA

SHEE

T A.

How

ever

, ca

lcul

atio

ns/re

ason

s in

sup

port

of a

ltern

ativ

e pr

opos

al

shal

l be

furn

ishe

d fo

r pur

chas

er’s

app

rova

l.

7.IN

SPE

CT

ION

& T

ESTI

NG

(RE

FER

SPE

C. N

O -

PES-

553.

00)

7.1

All n

eces

sary

test

s, a

s re

quire

d to

ens

ure

that

the

mat

eria

l sup

plie

d co

nfor

m to

the

requ

irem

ents

of a

pplic

able

cod

es &

sta

ndar

ds, s

hall

be c

arrie

d ou

t at m

anuf

actu

rer’s

w

orks

& te

st c

ertif

icat

es in

clud

ing

thes

e fo

r mat

eria

l/acc

esso

ries

shal

l be

furn

ishe

d fo

r pu

rcha

sers

app

rova

l.

8.PA

INT

ING

8.1

Pipe

wor

k ha

ving

insu

latio

n &

clad

ding

sha

ll be

pro

vide

d w

ith c

olor

iden

tific

atio

n fo

r th

e flu

ids

hand

led

and

for i

ndic

atin

g di

rect

ion

of fl

ow.

8.2

Equi

pmen

t su

rface

s ha

ving

ins

ulat

ion

and

clad

ding

sha

ll al

so h

ave

iden

tific

atio

n nu

mbe

rs a

nd a

ny o

ther

rele

vant

dat

a pr

ovid

ed o

n th

e in

sula

ted

surfa

ce.

8.3

All

pain

ting

for

insu

late

d su

rface

s sh

all

conf

orm

to

th

e re

quire

men

t sp

ecifi

ed

else

whe

re.

Pa

ge

394

of 5

21

Page

403

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

41

0

TEC

HN

ICA

L SP

ECIF

ICA

TIO

N

THER

MA

L IN

SULA

TIO

N F

OR

CO

LD

SUR

FAC

ES

SPEC

IFIC

ATI

ON

NO

.PES

-553

-08

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE:

17.

09.2

012

SHEE

T6

OF

6

9.D

AT

A T

O B

E FU

RN

ISH

ED

AFT

ER

AW

AR

D O

F C

ON

TR

AC

T

9.1

Fina

l ver

sion

of d

ata

shee

t ‘B’

inco

rpor

atin

g ch

ange

s if

any

alon

g w

ith d

esig

n da

ta.

9.2

Test

ce

rtific

ates

/repo

rts

givi

ng

resu

lt of

in

sula

tion

to

ensu

re

conf

orm

ance

to

ap

plic

able

cod

es &

sta

ndar

ds &

in p

artic

ular

the

follo

win

g:-

a)

Ther

mal

con

duct

ivity

test

.

b)

Soun

d ab

sorp

tion

coef

ficie

nt te

st.

c)

Cor

rosi

on te

st.

d)

Sulp

hur c

onte

nt, m

oist

ure

cont

ent,

shot

con

tent

, moi

stur

e ab

sorp

tion

etc.

e)

Com

pres

sive

stre

ngth

& c

ross

bre

akin

g st

reng

th te

st.

9.3

Sket

ches

/tech

nica

l lite

ratu

re/s

ectio

nal d

rgs.

indi

catin

g in

sula

tion

mat

eria

ls fi

nish

and

m

etho

d of

app

licat

ion

etc.

9.4

Man

ual d

ealin

g w

ith s

afet

y as

pect

s &

inst

ruct

ions

for

com

batin

g fir

e ar

isin

g ou

t of

in

sula

tion

wor

k.

9.5

Inst

ruct

ions

on

mai

nten

ance

of i

nsul

atio

n w

ork.

Pa

ge

395

of 5

21

Page

404

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

41

1

TH

ER

MA

L I

NSU

LA

TIO

N

VO

LUM

E

II-B

FOR

CO

LD

SU

RFC

E

SE

CTI

ON

D

D

AT

A S

HEE

T -

A

REV

00

DAT

E 17

.09.

2012

SHEE

TO

F 1

1

Insu

latio

n M

ater

ial

Insu

lati

on

C

od

e

Th

erm

al C

on

du

cti

vit

y

MW

/cm

0C

Den

sity

Kg/m

3

Res

in

bo

nd

ed

min

era

l w

oo

l /

gla

ss

wool

IS:8

18

3

0.4

9 a

t 5

0 0

C

At

least

24

fo

r d

uct

insu

lati

on

an

d 4

8 f

or

aco

ust

ic l

inin

g.

Min

era

l W

oo

l P

ipe S

ect

ion

(min

. G

r.2

)

IS:9

84

2

0.4

3 a

t 5

0 0

CA

t le

ast

81

Ex

pan

ded

Po

lyst

yre

ne

IS:4

67

10

.37

at

10

0C

At

least

15

Typ

e of

Insu

latio

n

S.N

o.

Su

rfac

e

Insu

lati

on

Mat

eria

l In

sula

tion

Fo

rm

Th

ick

nes

s

(mm

)

i)

Su

pp

ly

&

Retu

rn

air

du

ct

for

air-

con

dit

ion

ing

sy

stem

Res

in

bo

nd

ed

roll

M

iner

al

Wo

ol

(IS

:81

83

)

25

ii)

Ref

rig

era

nt

Pip

ing

a)

Ex

pan

ded

Po

lyst

yre

ne

or

b)

Min

eral

Wo

ol

Pip

e S

ecti

on

Pip

e S

ecti

on

75

75

iii)

A

HU

dra

in p

ipe

a) E

xpan

ded

Po

lyst

yre

ne

or

b)

Min

eral

Wo

ol

Pip

e S

ecti

on

Pip

e S

ecti

on

25

25

iv)

AH

U

dra

in

pan

co

il

secti

on

an

d f

an

sec

tio

n

a) E

xp

and

ed P

oly

sty

ren

e

or

b)

Min

eral

Wo

ol

Sla

bs

Sla

bs

25

25

v)

Ch

ille

d

wat

er

pip

ing

,

val

ves

& s

pec

ialt

ies

a) E

xp

and

ed P

oly

sty

ren

e

or

b)

Min

eral

Wo

ol

Pip

e S

ecti

on

Pip

e S

ecti

on

75

75

vi)

C

hil

ler

a) E

xp

and

ed P

oly

sty

ren

e

or

b)

Min

eral

Wo

ol

Sla

bs

Sla

bs

10

0

10

0

vii

) C

hil

led W

ater

Pu

mp

s a)

Ex

pan

ded P

oly

sty

ren

e

or

b)

Min

eral

Wo

ol

Sla

bs

Sla

bs

50

50

vii

i)

Ex

pan

sio

n t

ank

wit

h p

ipe

a)

Ex

pan

ded

Po

lyst

yre

ne

or

b)

Min

eral

Wo

ol

Sla

bs/

Pip

e S

ecti

on

Sla

bs/

Pip

e S

ecti

on

50

50

Pa

ge

396

of 5

21

Page

405

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

41

2

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FO

RVE

NTI

LATI

ON

FA

NS

SPEC

IFIC

ATI

ON

NO

.PES

-554

-03

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: NO

V 2

012

SHEE

T1

OF

4

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FOR

VEN

TILA

TIO

N F

AN

S

Pa

ge

402

of 5

21

Page

406

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

41

3

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FO

RVE

NTI

LATI

ON

FA

NS

SPEC

IFIC

ATI

ON

NO

.PES

-554

-03

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: NO

V 2

012

SHEE

T2

OF

4

1.G

ENER

AL

This

spec

ific

atio

nco

vers

the

des

ign,

man

ufa

cture

,te

stin

gof

per

form

ance

atm

anuf

actu

rer’s

/sub

contr

acto

rsw

ork

s,del

iver

yat

site

,han

dlin

gat

site

,ere

ctio

nan

dco

mm

issi

onin

gofve

nti

lati

on

fans.

2.CO

DE

AN

DST

AN

DA

RD

S

The

des

ign,

man

ufa

cture

and

per

form

ance

of

equip

men

tsh

all

com

ply

with

all

curr

entl

yap

plic

able

stat

ute

s,re

gula

tions

and

safe

tyco

des

inth

elo

calit

yw

her

eit

isto

be

inst

alle

d.

The

equip

men

tsh

all

confo

rmto

late

sted

itio

nof

applic

able

India

nSt

andar

ds

or

thei

req

uiv

alen

tst

andar

ds.

Noth

ing

inth

issp

ecific

atio

nsh

all

be

const

rued

tore

lieve

the

vendor

of

this

resp

onsi

bili

ty.

Inpar

ticu

lar

the

equip

men

tsh

allc

onfo

rmto

the

late

sted

itio

ns

ofth

eFo

llow

ing

stan

dar

ds.

2.1.

1IS

:489

4Cen

trifuga

lfan

s

2.1.

2IS

:358

8El

ectr

icA

xial

Flow

fans

2.1.

3IS

:231

2Pro

pel

ler

type

A.C

.ven

tila

tion

fans

2.1.

4IS

3963

Roofex

trac

tor

unit

s

2.1.

5BS:

848

Met

hod

ofper

form

ance

test

for

fans.

2.1.

6A

MCA

public

atio

n99

stan

dar

ds

han

dbook

2.1.

7A

MCA

stan

dar

d21

0,Te

stco

de

for

air

movi

ng

dev

ices

.

3.D

ESIG

NA

ND

CO

NST

RU

CTI

ON

3.1

THE

ENCLO

SED

DA

TASH

EET

AG

IVES

THE

NEC

ESSA

RY

DET

AIL

SFO

RCEN

TRIF

UG

AL/

AX

IAL/

RO

OF

EXTR

ACTO

RU

NIT

SET

C.

3.2

WEL

DIN

GPR

OCES

SA

ND

WEL

DER

SEM

PLO

YED

FOR

FAB

RIC

ATI

ON

SHA

LLB

EQ

UA

LIFI

EDA

SPER

ASM

ESE

C.I

X

3.3

CA

SIN

G

3.3.

1Th

ece

ntr

ifuga

lfa

ns

casi

ng

shal

lbe

of

wel

ded

const

ruct

ion

fabri

cate

dw

ith

hea

vyga

uge

mat

eria

l(m

in3

mm

)w

ith

flan

ges

(min

.5

mm

)on

inle

tan

dout

let

side

for

dir

ect

connec

tion

and

shal

lbe

rigi

dly

rein

forc

edan

dsu

pport

edby

stru

ctura

langl

es.

The

seam

ssh

all

be

per

man

entl

yse

aled

airt

ight.

Hori

zonta

lSp

litca

sings

shal

lbe

pro

vided

on

larg

esi

zefa

ns.

Cas

ing

dra

in(a

tbott

om

)w

ith

thre

aded

plu

g/w

ith

valv

esh

all

be

pro

vided

,as

requir

ed.

All

mounti

ng/

connec

ting

hole

ssh

all

be

dri

lled

off

centr

e.

3.3.

2Th

eax

ial

flow

casi

ng

for

supply

fans/

roof

extr

acto

rssh

all

be

of

hea

vyga

uge

const

ruct

ion

(min

3m

m)

pro

per

lyre

info

rced

for

rigi

dit

yan

dsh

allb

eco

mple

tew

ith

suit

able

support

s.A

cces

sdoors

with

suit

able

lock

ing

arra

nge

men

tsh

allbe

pro

vided

inth

eca

sing

for

easy

acce

ssto

the

moto

ran

dim

pel

ler.

Exte

rnal

junct

ion

box/

Term

inal

box

on

casi

ng

wit

hIP

55pro

tect

ion

shal

lbe

pro

vided

,if

requir

ed.

Wir

ing

for

moto

rfr

om

exte

rnal

junct

ion

box/

Term

inal

box

shal

lbe

thro

ugh

flex

ible

conduit

.

3.3.

3Su

itab

lem

oto

rbra

cket

sdes

igned

for

rigi

dm

ounti

ng

of

moto

rs,

shal

lbe

pro

vided

for

roofex

trac

tors

and

wal

lmounte

dex

hau

st/

supply

fans.

Pa

ge

403

of 5

21

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407

of 4

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44

85

26

/20

21

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-PE

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AX

41

4

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FO

RVE

NTI

LATI

ON

FA

NS

SPEC

IFIC

ATI

ON

NO

.PES

-554

-03

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: NO

V 2

012

SHEE

T3

OF

4

3.4

IMPEL

LER

3.4.

1Cen

trifuga

lfa

nim

pel

ler

shal

lhav

edie

form

ed,ae

rofo

ilor

lam

inar

bla

des

wel

ded

toth

eri

man

dbac

kpla

tean

dsh

allh

ave

non

ove

rload

ing,

self

clea

nin

gch

arac

teri

stic

s.Rim

shal

lbe

spun

tohav

esm

ooth

conto

ur.

Ifre

quir

ed,in

term

edia

test

iffe

nin

gri

ngs

shal

lbe

pro

vided

.Sh

aft

slee

ves

shal

lbe

furn

ished

,if

spec

ifie

d.Th

eim

pel

ler,

pulle

yan

dsh

aft

slee

vesh

allb

ese

cure

dto

the

shaf

tby

key

and/o

rnuts

(thre

aded

opposi

teto

dir

ecti

on

of

rota

tion

of

impel

ler)

.Th

eim

pel

ler

shal

lbe

stat

ical

lyan

ddyn

amic

ally

bal

ance

d.

3.4.

2Th

eax

ialfa

nim

pel

ler

shal

lbe

of

hig

hef

fici

ency

aero

foil

des

ign.Th

ebla

des

shal

lbe

mounte

don

ast

ream

lined

hub

and

the

impel

ler

shal

lbe

mounte

ddir

ectl

yon

the

moto

rsh

aft.

Impel

ler

shal

lbe

inone

pie

cehow

ever

;fa

bri

cate

dbla

des

will

be

acce

pta

ble

up

to45

0m

mim

pel

ler

dia

met

er.

3.4.

3Roof

ventila

tor

impel

ler

may

eith

erbe

centr

ifuga

lor

axia

lty

pe.

Bac

kwar

din

clin

edbla

des

shal

lbe

pro

vided

for

centr

ifuga

lim

pel

lers

.Bla

des

may

be

die

form

edor

cast

.A

xial

flow

impel

ler

shal

lbe

dir

ectly

mounte

dto

moto

rsh

aft

wher

eas

centr

ifuga

lim

pel

ler

may

eith

erbe

dir

ect

dri

ven

or

bel

tdri

ven.

The

shaf

tof

bel

tdri

ven

cen

trifuga

lfa

nsh

all

be

solid

cold

rolle

dca

rbon

stee

l,gr

ound

and

polis

hed

.H

ow

ever

,dir

ect

moun

ted

impel

lers

are

pre

ferr

ed.

3.5

BEA

RIN

GS:

3.5.

1Th

ece

ntr

ifuga

lfa

nbea

ring

may

be

bal

l,ro

ller

or

slee

vebea

rings

of

self

alig

nin

ghea

vyduty

type

with

adeq

uat

eca

pac

ity

and

life.

Mak

eof

Bea

rings

tobe

spec

ifie

d.

Bea

rings

shal

lbe

oil/

grea

selu

bri

cate

dan

dpro

vided

with

fitt

ings

for

lubri

cati

on

from

outs

ide

and

shal

lbe

loca

ted

inea

sily

acce

ssib

leposi

tion

tofa

cilit

ate

mai

nte

nan

ce.

3.6

INLE

TCO

NES

AN

DG

UA

RD

S

3.6.

1Cen

trifuga

lfa

ns

inle

tsh

all

be

spun

tohav

ea

smooth

conto

ur.

Inle

tsc

reen

,if

pro

vided

,shal

lbe

galv

anis

edw

ire

mes

hof25

mm

squar

ew

ith

wir

eth

ickn

ess

ofm

in.

1.5

mm

.

3.6.

2In

let

cone,

outl

etbel

land

suit

ably

des

igned

guar

ds

shal

lbe

pro

vided

.

3.7

GU

IDE

VA

NES

:

3.7.

1In

case

ofva

ne

axia

lfan

sgu

ide

vanes

shal

lbe

pro

vided

on

dis

char

gesi

de.

3.8

BA

SEPLA

TEA

ND

VIB

RA

TIO

NIS

OLA

TOR

S

3.8.

1Bas

epla

tean

dvi

bra

tion

isola

tors

,w

hic

hm

aybe

double

def

lect

ion

rubber

insh

ear

or

rubber

inco

mpre

ssio

nty

pe

or

spri

ng

type

shal

lbe

pro

vided

.Wit

hea

chfa

nru

bber

bush

es,

was

her

sw

her

ever

nee

ded

for

vibra

tion

isola

tor

insu

ffic

ient

nos.

shal

lbe

incl

uded

,as

requir

ed,t

oen

sure

isola

tion

offo

undat

ion

from

vibra

tion

ofeq

uip

men

t.Fo

rro

of

ventila

tors

suit

able

mounti

ng

arra

nge

men

tsh

all

be

pro

vided

such

that

ther

eis

no

ingr

ess

ofra

inw

ater

into

the

build

ing.

3.9

HO

OD

AN

DCO

WL

3.9.

1Roof

exhau

stors

shal

lbe

pro

vided

wit

hhin

gety

pe

hood

pro

vidin

gea

syac

cess

tom

oto

ran

dim

pel

ler.

Wea

ther

pro

of

lock

able

type

dis

connec

tsw

itch

shal

lbe

pro

vided

such

that

hood

can

open

only

when

the

dis

connec

tsw

itch

isin

’off’

Pa

ge

404

of 5

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of 4

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5

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FO

RVE

NTI

LATI

ON

FA

NS

SPEC

IFIC

ATI

ON

NO

.PES

-554

-03

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: NO

V 2

012

SHEE

T4

OF

4

posi

tion.O

nla

rger

size

ofro

ofve

ntila

tors

hoods

may

be

ofsp

litco

nst

ruct

ion.1

5m

mm

esh

galv

anis

edbir

dsc

reen

shal

lbe

pro

vided

.

3.9.

2Rai

npro

tect

ion

cow

lssh

all

be

des

igned

tosu

itw

all

exhau

ster

s/su

pply

fans

for

pro

tect

ing

fans

from

rain

.Th

eco

wls

shal

lbe

pro

vided

wit

hbir

dsc

reen

of

hea

vyga

uge

expan

ded

met

alnet

ting.

3.10

SPEE

D

3.10

.1Th

esp

eed

of

axia

lflow

fans/

roof

ventila

tors

shal

lnot

exce

ed96

0RPM

for

impel

ler

dia

exce

edin

g45

0m

man

dsh

alln

ot

be

grea

ter

than

1440

with

impel

ler

dia

less

than

450

mm

.

4.M

OTO

RS

Dri

vem

oto

rssh

all

be

of

tota

llyen

close

dty

pe,

suit

able

for

hori

zonta

l/ve

rtic

alm

ounti

ng

asap

plic

able

and

shal

lco

mply

with

the

requir

men

tsof

the

spec

ific

atio

ns

furn

ished

else

wher

efo

rm

oto

rs.

5.A

CCES

SOR

IES

Acc

esso

ries

assp

ecifie

din

Dat

ash

eet

Aan

das

requir

edfo

rsa

tisf

acto

rytr

ouble

free

&sa

feoper

atio

noffa

ns

shal

lbe

pro

vided

.

TEST

ING

AN

DIN

SPEC

TIO

N

List

of

TCs

arra

nge

das

per

Appro

ved

Qual

ity

Pla

nsh

all

be

furn

ished

along

wit

hco

py

of

TCs

atth

eti

me

ofin

spec

tion

by

BH

EL

Vis

ual

insp

ecti

on

of

shee

ts/p

late

s,an

gles

,ch

annel

set

c.–

Pit

ting,

lam

inat

ion

insh

eets

/pla

tes,

angl

esan

dch

annel

ssh

allb

eav

oid

ed.

visu

alin

spec

tion

by

mai

nco

ntr

acto

rofBH

EL.

Shee

ts/

Pla

tes

Test

cert

ific

ate

shal

lbe

furn

ished

for

phys

ical

and

chem

ical

pro

per

ties

for

shee

ts/

pla

tes

for

revi

ewby

BH

EL

Shaf

t:M

echan

ical

and

chem

ical

–re

view

by

BH

EL

Moto

rs(o

fap

pro

ved

mak

e):R

outi

ne

TC,F

LPTC

ifap

plic

able

Work

man

ship

and

dim

ensi

onal

chec

kas

per

man

ufa

cturi

ng

drg

.an

dap

pro

ved

Drg

s.by

mai

nco

ntr

acto

rofBH

EL.

Shal

lbe

chec

ked

by

BH

EL/

Cust

om

erduri

ng

final

insp

ection.

Bal

anci

ng

ofim

pel

lers

Dyn

amic

bal

anci

ng

cert

ific

ates

shal

lbe

furn

ished

–gra

de6.

3or

bet

ter

toIS

O19

40.

Bal

anci

ng

wei

ghts

shal

lbe

posi

tive

lylo

cked

/w

elded

toav

oid

loose

nin

g.w

itnes

sby

man

ufa

cture

rTC

tobe

furn

ished

for

revi

ewby

BH

EL(c

onsi

stin

gof

wei

ght

of

impel

ler,

radiu

sof

corr

ection

and

bal

anci

ng

rpm

).Fo

rsp

are

impel

lers

Dyn

amic

Bal

anci

ng

shal

lbe

wit

nes

sed

by

BH

EL.

Per

form

ance

test

of

one

Cen

trifuga

lfa

nor

Axi

alFa

n/p

erty

pe/

per

size

asper

applic

able

stan

dar

d–

by

BH

EL.

Cen

trifuga

l/A

xial

fans

100%

run

test

edby

mai

nco

ntr

acto

rof

BH

EL.R

un

test

by

BH

EL/C

ust

om

erm

aybe

atra

ndom

or

100%

Vib

rati

on

shal

lbe

wit

hin

sati

sfac

tory

zone

of

VD

I20

56(g

roup

G)

mac

hin

esw

hen

mea

sure

don

bea

ring

housi

ng

and

nois

ele

vel

<85

dbA

at1

met

redis

tance

.M

ax.

Tem

p.

on

bea

ring

housi

ng

40deg

rees

Cen

tigr

ade

+am

bie

nt

Pa

ge

405

of 5

21

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409

of 4

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44

85

26

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CE

NT

RIF

UG

AL

FA

N

VOLU

ME

II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E N

OV

2012

SHEE

T

1

OF

3

No.

Par

ticu

lars

Dat

a1

Gen

eral

Info

rmat

ion

1.1

Fan

Des

ignat

ion/a

pplic

atio

n.

Ref

ersc

hed

ule

of

Ven

tila

tion

syst

em/

Air

was

her

s&

UA

FU

nit

s.

1.2

Nos.

requir

ed/c

apac

ity

Ref

erSe

ctio

nC

of

Spec

ific

Tech

nic

alReq

uir

emen

t

1.3

Loca

tion

Ref

erla

yout

drg

.Att

ached

.

2.0

Des

ign

Dat

a

2.1

Type

DID

Wfo

rA

irW

asher

and

SISW

for

UA

F

2.2

Type

ofbla

des

bac

kwar

dcu

rved

2.3

Arr

ange

men

tTo

suit

applic

atio

nas

per

layo

ut.

2.4

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char

gedir

ection

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itap

plic

atio

nas

per

layo

ut.

2.5

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2.6

Cap

acity

atsi

te(C

ubic

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r)&

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ssure

.Ref

erSe

ctio

nC

of

Spec

ific

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nic

alReq

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emen

t

2.7

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ssure

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per

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emen

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her

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Suct

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per

ature

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erdat

aat

tach

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2.10

Suct

ion

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yRef

erw

eath

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ls

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ith

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de

&sh

roud

Mild

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tto

IS:2

062

/IS

:1079

/Eq

.

Pa

ge

406

of 5

21

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410

of 4

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44

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VOLU

ME

II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E N

OV

2012

SHEE

T

2

OF

3

3.6

a)Sh

aft

EN8

or

eqv.

b)Sh

aft

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3.7

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ruct

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.M

ildSt

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type

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stic

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gnat

edca

nva

sw

ith

MS

Flan

ges

and

clea

ts(3

mm

thic

k).

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VBel

tIS

Im

arke

d(R

einfo

rced

rubber

sect

ion

toIS

:4776

)3.

10V

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yCas

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on

mul

tigr

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ade

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asper

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10.

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ing

taper

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type

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era

ilsM

.S./

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3.12

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ces

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rdin

gto

supp

lier’s

des

ign

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s&

nuts

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.G

alva

niz

ed/

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pai

nte

d.

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rati

on

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ting

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asher

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dsy

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etic

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y.

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mon

bas

epla

teReq

uir

ed.

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or

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rati

on

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tors

Har

dsy

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etic

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tpulle

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rced

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appro

pri

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ard

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ed.

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etdam

per

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d(M

.S.H

eavy

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ge)

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ard

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ane

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iable

)N

otre

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inva

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ust

icsi

lence

rsN

otre

quir

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5.0

Moto

r

5.1

Moto

rby

Bid

der

Pa

ge

407

of 5

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411

of 4

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UG

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FA

N

VOLU

ME

II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E N

OV

2012

SHEE

T

3

OF

3

5.2

Star

ter

by

BH

EL

6.0

Pai

nti

ng

offa

ns

incl

udin

gbas

efr

ame

Gal

vaniz

ed/

epoxy

pai

nti

ng

(as

per

Sect

ion

C&

pai

nti

ng

spec

ific

atio

ns)

NO

TE:

1)M

oto

rssh

allh

ave

15%

mar

gin

on

duty

pow

erpoin

t.

2)Fa

nsh

allb

edes

igned

tooper

ate

with

in9%

and

25%

ofsy

stem

thro

ttlin

glin

e.

3)O

ppose

dM

ult

iple

louve

rsdam

per

shal

lbe

pro

vided

atfa

noutl

et.L

ouvr

essh

all

be

of

2m

mth

ick

MS

(gal

vaniz

ed).

Cas

ing

shal

lbe

of

3.15

mm

thic

kM

S(g

alva

niz

ed).

Pa

ge

408

of 5

21

Page

412

of 4

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44

85

26

/20

21

/PS

-PE

M-M

AX

41

9

VE

NT

ILA

TIO

N F

AN

(R.E

.UN

IT)

VO

LUM

E

II-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E :

NO

V 2

012

SHEE

T

1

OF

2

Gen

eral

Info

rmat

ion

1)D

esig

nat

ion

Roof

extr

acto

rU

nit

sfo

rar

eas

asper

sched

ule

ofve

ntila

tion

syst

em.

2)N

os.

requir

edA

sper

sched

ule

.

3)Se

rvic

eContinuous

4)Lo

cati

on

Roofofre

spec

tive

area

s.

5)A

rea

As

per

sched

ule

Des

ign

Dat

a

6)Ty

pe

axia

lflo

wty

pe.

7)A

irdel

iver

yca

pac

ity

asper

sched

ule

of

ventila

tion

syst

em.

8)Fl

uid

Atm

osp

her

icA

ir.

9)Te

mper

ature

50D

eg.C

10)

Stat

icPre

ssure

requir

edA

sper

Sect

ion’

C’sc

hed

ule

of

ventila

tion

syst

em.

11)

Outl

etai

rve

loci

tyN

otm

ore

than

12m

/sec

.

Mat

eria

ls

12)

Cas

ing/

cow

l/hood

M.S

.Shee

tto

IS:2

062

/IS:

1079/

Eq.

13)

Impel

ler

Cas

tA

1um

iniu

mal

loy

toA

6MIS

617

Gra

de

LM6

14)

Support

fram

ean

dst

ruct

ure

.M

.S.

of

adeq

uat

eth

ickn

ess

(IS

2062)

.

ACCES

SOR

IES

15)

Vib

rati

on

isola

ting

pad

sYe

s.

16)

Bas

efr

ame

for

mounting

Yes.

17)

Wir

eG

uar

dat

inle

t.Ye

s.

18)

Dis

connec

tsw

itch

Yes.

Pa

ge

409

of 5

21

Page

413

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

42

0

VE

NT

ILA

TIO

N F

AN

(R.E

.UN

IT)

VO

LUM

E

II-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E :

NO

V 2

012

SHEE

T

2

OF

2

19)

Gra

vity

dam

per

atoutl

etYe

s

Moto

r

20)

Moto

rby

Bid

der

21)

Star

ter

by

Bid

der

22)

Type

ofm

oto

rConfo

rmin

gto

IS:

325

late

st/a

sper

spec

ific

atio

n.

23)

Free

del

iver

yte

stYe

s.

24)

Per

form

ance

test

atsp

ecifie

dduty

poin

t.Ye

s

25)

Spee

dN

otm

ore

than

1500

RPM

NO

TE:

1.M

oto

rssh

allh

ave

15%

on

duty

pow

erPoin

t.

Pa

ge

410

of 5

21

Page

414

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

42

1

VE

NT

ILA

TIO

N F

AN

(R.E

.UN

IT)

VO

LUM

E

II-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E :

NO

V 2

012

SHEE

T

3

OF

2

Pa

ge

411

of 5

21

Page

415

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

42

2

Ven

tilat

ion

Fan

(Axi

al F

low

Typ

e)

VOLU

ME

II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E N

OVE

MB

ER 2

014

SHEE

T

1

OF

2

No.

Par

ticu

lars

Dat

a

Gen

eral

Info

rmat

ion

1)D

esig

nat

ion

Supply

/Exh

aust

Fans.

2)N

os.

requir

edRef

ersc

hed

ule

of

Ven

tila

tion

syst

emin

sect

ion

Cunder

spec

ific

tech

nic

alre

quir

emen

t.3)

Serv

ice

Toex

hau

stw

arm

air/

tosu

pply

fres

hai

r.

4)Lo

cati

on

Wal

lmounte

d.

5)A

rea

Sam

eas

above

in2.

Des

ign

Dat

a

6)Ty

pe

Axi

alfa

ns

suit

able

for

415V

/3phas

esu

pply

for

Moto

r.

7)A

irdel

iver

yca

pac

ity

As

per

sched

ule

of

ventila

tion

syst

em.

8)Fl

uid

Atm

osp

her

icA

ir.

9)Te

mper

ature

Ref

erSe

ctio

nofsp

ecific

tech

nic

alre

quir

emen

t

10)

Stat

icPre

ssure

requir

edA

sper

Sect

ion’

C’sc

hed

ule

of

ventila

tion

syst

em.

11)

Outl

etA

irV

eloci

tyN

otm

ore

than

12m

/sec

.

Mat

eria

ls

12)

Cas

ing

M.S

.(IS

2062

)

13)

Impel

ler

Cas

tA

1um

iniu

m.

(Allo

yA

6M,

IS61

7)

14)

Hub

AlA

lloy.

15)

Support

fram

ean

dst

ruct

ure

.M

.S.

of

adeq

uat

eth

ickn

ess

(Gal

vaniz

ed/

Pai

nte

d)IS

2062

.

16)

Neo

pre

ne

rubber

pad

sA

sre

quir

ed.

Pa

ge

412

of 5

21

Page

416

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

42

3

Ven

tilat

ion

Fan

(Axi

al F

low

Typ

e)

VOLU

ME

II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E N

OVE

MB

ER 2

014

SHEE

T

2

OF

2

17)

Coned

inle

tfo

rw

alle

xhau

ster

s/su

pply

fans

MS

(IS

2062

)

18)

Support

ing

fram

efo

rm

ounting.

Req

uir

ed.

19)

Pro

tect

ive

scre

enat

inle

t.Ye

s(M

in14

SWG

Gal

vaniz

edw

ire

knitte

din

1"sq

uar

em

esh.

20)

Rai

nPro

tect

ion

Cow

lA

lum

inum

or

hot

dip

Gal

vaniz

edaf

ter

fabri

cati

on

from

M.S

.

Moto

r

21)

Moto

rby

Bid

der

22)

Star

ter

by

BH

EL

NO

TE: 1)

For

Bat

tery

Room

,m

oto

rfo

rfa

nsh

all

be

of

flam

epro

of

type

&fa

nof

spar

kpro

of

const

ruct

ion

with

Epoxy

pai

nti

ng.

2)G

ravi

tyty

pe

dam

per

shal

lbe

pro

vided

atth

eoutl

etofax

ialf

anfo

rex

hau

stap

plic

atio

n.

3)M

oto

rsh

allh

ave

15%

mar

gin

ove

rD

uty

Poin

t.

Pa

ge

413

of 5

21

Page

417

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

42

4

Ven

tilat

ion

Fan

(Axi

al F

low

Typ

e)

VOLU

ME

II

-B

DA

TA

SH

EET

- A

SE

CTI

ON

D

REV

00

DAT

E N

OVE

MB

ER 2

014

SHEE

T

3

OF

2

Pa

ge

414

of 5

21

Page

418

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

42

5

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FOR

AIR

FIL

TER

SPEC

IFIC

ATI

ON

NO

.PES

-554

-04

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: NO

V 2

012

SHEE

T1

OF

3

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FOR

AIR

FIL

TER

Pa

ge

435

of 5

21

Page

419

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

42

6

STA

ND

AR

D T

ECH

NIC

AL

SPEC

IFIC

ATI

ON

FOR

AIR

FIL

TER

SPEC

IFIC

ATI

ON

NO

.PES

-554

-04

VO

LUM

E II

B

SEC

TIO

N

DR

EV

. 02

DA

TE

: NO

V 2

012

SHEE

T2

OF

3

1.G

ENER

AL

This

spec

ific

atio

nco

vers

the

des

ign,

man

ufa

cture

,in

spec

tion

and

test

ing

atm

anuf

actu

rer’s

work

or

his

sub

cont

ract

or’s

work

sof

Air

filt

ers

tobe

use

dfo

rai

rco

ndit

ionin

gan

dve

ntila

tion

syst

em:

2.CO

DES

AN

DST

AN

DA

RD

S

This

des

ign,

man

ufa

cture

and

per

form

ance

of

AIR

FILT

ERS

shal

lco

mply

wit

hal

lcu

rren

tly

applic

able

stat

ute

s,re

gula

tion

and

safe

tyco

des

inth

elo

calit

yw

her

eth

eeq

uip

men

tw

illbe

inst

alle

d.

The

equip

men

tsh

all

also

confo

rmto

late

stap

plic

able

India

n/B

riti

sh/U

SAst

andar

ds.

Noth

ing

inth

issp

ecific

atio

nsh

all

be

const

rued

tore

lieve

the

vendor

of

this

resp

onsi

bili

ty.Th

efo

llow

ing

stan

dar

ds,

inpar

ticu

lar,

shal

lbe

applic

able

for

cert

ifie

dra

tings

of

filt

ers

and

for

conduct

ing

per

form

ance

test

,if

requir

ed.

a)BS

EN77

9M

ethods

of

test

for

air

filter

suse

din

air

conditio

nin

gan

dge

ner

alve

nti

lati

on.

3.G

ENER

AL

The

encl

ose

dD

ata

shee

tA

give

sth

ety

pe

and

oth

erpar

ticu

lars

offilter

sre

quir

ed.

3.1

PO

LYFI

BR

EA

IRFI

LTER

S

Filter

ing

med

iash

all

consi

stof

asu

itab

lefibro

us

mat

eria

l(e

.g.

poly

ethyl

ene

extr

uded

sect

ions

coir

etc.

)pac

ked

into

a20

gauge

sG

SSfr

amew

ork

,co

mple

tew

ith

han

dle

set

c.Th

efilt

erel

emen

tsh

allbe

support

edby

galv

anis

edst

eelw

ire

mes

hof

10m

m.

sq.

on

eith

ersi

de,

Vel

oci

tyac

ross

the

filt

ers

shal

lnot

exce

ed2.

5M

/sec

.A

vera

geef

fici

ency

Em(%

)sh

allb

e>/

=80

asper

BS

EN77

9..

3.2

DRY

FAB

RIC

AIR

FILT

ERS

Filt

erel

emen

tsh

allb

epre

ssed

felt

filt

erfa

bri

cor

suit

able

mat

eria

lrec

om

men

ded

by

the

man

ufa

cture

r,st

itch

edon

toga

lvan

ised

wir

ega

uge

support

and

crim

ped

tofo

rmdee

pfo

lds.

Suit

able

alum

iniu

msp

acer

ssh

all

be

pro

vided

toen

sure

uniform

dis

trib

uti

on

of

air

flow

thro

ugh

filt

ers.

Filt

erca

sing

shal

lbe

pro

vided

with

neo

pre

ne

sponge

rubber

seal

ing,

The

filt

ersh

all

hav

eA

vera

geef

fici

ency

Em(%

)of

>/=

95as

per

BS

EN77

9.

3.3

PA

NEL

TYPE

MET

ALL

ICFI

LTER

S(D

RY/V

ISCO

US)

Filt

ersh

all

consi

stof

Vfo

ldga

lvan

ised

wir

em

esh

inte

rspac

edw

ith

flat

laye

rsof

galv

anis

edw

ire

mes

h.

The

den

sity

of

med

iash

all

incr

ease

inth

edir

ecti

on

of

air

flow

.Ed

ges

of

wir

em

esh

shal

lbe

suit

ably

hem

med

topre

vent

abra

sion

duri

ng

han

dlin

g.Th

em

edia

shal

lbe

support

edon

eith

ersi

de

by

galv

anis

edex

pan

ded

met

alca

sing.

The

fram

ework

shal

lbe

atle

ast

18ga

uge

GSS

.Fi

lter

shal

lbe

eith

erdry

or

wet

ted

type

asper

dat

ash

eet=

A.T

he

oil

shal

lbe

min

eral

oil

of

appro

ved

qual

ity

and

mak

e.A

sa

the

filt

erfr

ame

mad

eof

Alu

min

ium

allo

yco

nfo

rmin

gto

IS:7

37ca

nbe

consi

der

edunle

ssuse

of

alum

iniu

mis

pro

hib

ited

oth

erw

ise

due

tosi

teco

ndit

ions

bei

ng

salin

e/co

rrosi

ve. P

age

436

of 5

21

Page

420

of 4

94

44

85

26

/20

21

/PS

-PE

M-M

AX

42

7