2. Clean Water

7/17/2019 2. Clean Water

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TECHNICAL SPECIFICATION MECHANICAL WORKS

1. PLUMBING

1. GENERAL

The overall work is the procre!e"t# tra"sportatio"# !a"$actri"%# i"stallatio"# e&ip!e"t'

e&ip!e"t !ai" a"( a)iliar* !aterials as well as testi"%# i" or(er to o+tai" a co!plete a"( welli"stallatio" i" accor(a"ce with the Speci$icatio"s# ,rawi"%s a"( -ill O$ .a"tit*/

2. SCOPE OF WORK

The scope o$ work i" otli"e as $ollows Pl!+i"% s*ste! 0Clea" Water Pipi"% Work1/ The work

shall co"sist o$ $r"ishi"% a"( i"stalli"% all clea" water s*ste! i"cl(i"% pipi"%# p!p# spport

a"( accessories as speci$ie( here i" or as show" i" the ,rawi"%s/

3. REFERENCES/ STANDARD

Re$ere"ces a"( sta"(ar( i"cl(e the $ollowi"% co(es shall +e se( $or (esi%"# $a+ricatio"#

i"spectio"# testi"% a"( accepta"ce o$ clea" water pipi"% work +ase( o" "atio"al a"(2or localre%latio"s a"( re&ire!e"ts3

2.1 Sta"(ar( Natio"al I"(o"esia 0SNI1/

- SNI‐45‐6789‐:444 ; Siste! Pla!+i"%/

1 A!erica" Societ* o$ Mecha"ical E"%i"err 0ASME1/

- ASME -5 9/9/ Power Pipi"%

- ASME -5 9/5/ Process Pipi"%

- ASME -< 5/9/ Sta"(ar( Che!ical2 I"(strial Process P!p/

4. GENERAL PROCEDURES

4.1 Technic! D"

4.1.1 Tech"ical (ata o$ all Clea" Water p!ps# pipi"% a"( accessories as

speci$ie( shall +e s+!itte( to the Pro=ect Ma"a%er $or approval prior to

(eliver*/

4.1.2 Tech"ical (ata shall i"cl(e all (etaile( i"$or!atio" o$ t*pe2!o(el#

capacit*# i"stallatio" !a"al# (i!e"sio" a"( other characteristics re&ire(/

4.2 Sh#$ D%&in'(

4.2.1 The Co"tractor shall check all (i!e"sio"s $ro! the ,rawi"%s with the site co"(itio"/ No clai!s will +e allowe( arisi"% $ro! sli%ht (iscrepa"cies +etwee" ,rawi"%s o$ other (iscipli"es a"(2or !easre!e"ts take" at the site o$ the pro=ect/ The Co"tractor shall

o+tai" this i"$or!atio" $ro! the Pro=ect Ma"a%er +e$ore procee(i"% with a"* Shop,rawi"%s/

4.2.2 Shop ,rawi"%s shall +e s+!itte( to the Pro=ect Ma"a%er $or approval prior toi"stallatio"/ Shop ,rawi"%s shall co"tai" t*pe2!o(el# (i!e"sio"s# si>es# la*ots a"(other re&ire( a"( (etaile( i"$or!atio"/ All (oc!e"ts shall +e (raw" p i" accor(a"cewith !o(els s+!itte( to a"( approve( +* the Pro=ect Ma"a%er/

4.2.3 The ,rawi"%s %e"erall* i"(icate the locatio" o$ !aterials a"( e&ip!e"t# ca+le a"(

pipi"% la"e# a"( co""ectio"s/ These ,rawi"%s shall +e $ollowe( as closel* as possi+le/

The Architectral# Strctral a"( other ,rawi"%s o$ relate( tra(es a"( all ele!e"ts shall +e checke( $or (i!e"sio"s a"( cleara"ces i" prepari"% Shop ,rawi"%s/

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4.2.4 The Co"tractor shall care$ll* check space re&ire!e"ts with other Co"tractors which!i%ht work at the sa!e locatio" to e"sre that all e&ip!e"t ca" +e i"stalle( i" the

spaces allocate( $or the!/

4.3 De!i)e%* n+ S"#%'e

4.3.1 All !aterials a"( e&ip!e"t to +e (elivere( shall +e i" %oo( co"(itio"# "ew#

$ree $ro! a"* (e$ect# a"( shall +e co!plete( with la+els# tech"ical (ata# !ill

certi$icate a"( other (ata re&ire( as speci$ie(/

4.3.2 All !aterials a"( e&ip!e"t shall +e or(erl*# kept i" their packa%es a"( shall

+e kept $ree $ro! (a!a%e a"( h!i(it*/

4.4 N#n C#n,#%-i"*

4.4.1 The Pro=ect Ma"a%er has the ri%ht to re=ect a"* !aterial (elivere( or

i"stalle( which (oes "ot co!pl* with the speci$ie( ,rawi"%s a"(2or

Speci$icatio"s/The Co"tractor shall i!!e(iatel* correct a"(2or replace a"*work (ee!e( i"$erior +* the Pro=ect Ma"a%er withot a"* cost to the Ow"er/

4.4.2 I$ the s+!ittal (i$$ers $ro! the re&ire!e"ts o$ the co"tract

(oc!e"ts# the Co"tractor shall !ake speci$ic !e"tio" o$ sch (i$$ere"ces i"

a letter# with a re&est $or s+stittio"# to%ether with its reaso" $or this# i"

or(er that# i$ accepta+le# sita+le actio" !a* +e take" $or proper a(=st!e"t

otherwise# Co"tractor will "ot +e relieve( o$ the respo"si+ilit* $or e)ecti"%

the work i" accor(a"ce with the ,rawi"%s a"( the Speci$icatio"/

4. D%&in'(

The Co"tract ,rawi"%s a"( the Speci$icatio"s are co!ple!e"tar* to each other# a"(a"* la+or or !aterial calle( $or +* either or +oth# i$ "ecessar* $or the sccess$l

operatio" o$ a"* particlar t*pe o$ e&ip!e"t $r"ishe( "(er this Co"tract# shall +e

spplie( a"( i"stalle( withot a((itio"al cost to the Ow"er/

4. G0%n"ee

The Co"tractor shall $r"ish to the Ow"er a writte" %ara"tee coveri"% the satis$actor*

operatio" o$ the $ire $i%hti"% i"stallatio" i" all its parts $or a perio( o$ o"e *ear a$ter (ate

o$ $i"al accepta"ce/ ,ri"% this perio( the Co"tractor shall repair or replace a"*

(e$ective work a"( pa* a"* repair or replace!e"t costs/

. MATERIALS

.1 Gene%!

All !aterials a"( e&ip!e"t $r"ishe( shall +e +ra"( "ew a"( o$ accepta+le &alit*# a"(

approve( +* the Pro=ect Ma"a%er/

.2 Pi$e( n+ Fi""in'(

a Pipes $or $ire water shall +e %alva"i>e( o$ sche(le 84 co"$or!i"% to ASTM A ?5

@ra(e -# sch as !a"$actre( +* Spi"(o# PPI# -akrie or approve( e&al/

+ All pipes a"( $itti"%s sch as el+ow# tee# re(cer# tee're(cer a"( others with

(ia!eter p to 6?!! shall +e threa(e( car+o" steel while $itti"%s lar%er tha" 6?!!

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shall +e $r"ishe( with $la"%es as speci$ie( i" this Speci$icatio"/

c Fitti"%s o$ electric +tt'wel(i"% shall +e $a+ricate( co"$or!i"% to AWWA C :47/

( Fitti"%s shall +e o$ the sa!e class with the relate( pipes a"( shall +e "ew a"( o$

accepta+le &alit*/

.3 Pi$in' A$$0%"ennce(

.3.1 F!n'e(

Fla"%es shall +e ANSI - 96/? class 9?4 raise( $ace a"( shall co!pl* with

ASTM A'94?/ Fla"%e o$ slip'o" t*pe shall have (ia!eter as speci$ie( +*

e&ip!e"t that shall +e co""ecte(/

.3.2 Pcin'/G(e"/ Se!in' Rin'

a1 "less otherwise speci$ie(# packi"%2%asket2seali"% ri"% $or co!presse( air

pipi"% shall +e o$ ANSI 9?4 class# !a(e o$ oil resista"t a"( as+estos $ree

!aterial o$ !i"i!! 5!! thick"ess/ +1 Si>es o$ packi"%2 %asket2seali"% ri"% shall +e as speci$ie( +* the re&ire(

$la"%es/ The "ecessar* a!o"t pls 94B a((itio"al o$ packi"% shall +e

spplie(/

.4 !)e(

.4.1 !)e(

a1 All valves with worki"% pressre o$ 94k%2c! 09?4psi1# shall +e "ew# "se( pro(ct o$ repta+le a"( e)perie"ce( !a"$actrers# a"( all valves o$ the sa!et*pe as $ar as possi+le shall +e o$ o"e !a"$actrer/

+1 All valves shall +e !a(e o$ cast iro" !aterial co!pl*i"% with ASTM A 9:6 Class-# or approve( e&al/ All valves shall have "a!eDs !a"$actrer# worki"% pressre# (ia!eter a"( (irectio" o$ $low o" the +o(*/

c1 All valves shall +e co!plete a"( rea(* $or operatio" with all co!po"e"ts a"(accessories i" accor(a"ce with the applica+le sta"(ar(s a"( co(es# a"( shall +ecapa+le o$ lo"%# relia+le# tro+le $ree service a"( shall re&ire !i"i!!!ai"te"a"ce/

(1 alves o$ (ia!eter p to 6?!! shall have tapere( threa(s $or screwe( =oi"t/e1 alves o$ (ia!eter lar%er tha" 6?!! shall +e !a"al operate( t*pe# a"( shall +e

$r"ishe( with $la"%es co"$or!i"% to ANSI - 96/9 CL 9:?# $or%e( i"te%rall* withvalves +o(*/

, Ma"$actrer +* 0SCI1 Sia! Cast Iro" Works Co/ Lt(/# KITG or approve( e&al/

.4.2 G"e !)e

@ate valve shall +e otsi(e screw a"( *oke 0OS1 t*pe/

.4.3 Chec !)e

Check valve shall +e a"ti'water ha!!er t*pe with worki"% pressre !i"i!! o$ 94k%2c!/

.4.4 Ai% Re!e(e !)e

Air release valve shall have stai"less steel $loat Air release valves a"( the air release

!echa"is! o$ co!+i"atio" valves shall +e (esi%"e( to ope" positivel* a"( ve"t air to


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the at!osphere at s*ste! pressres p to the !a)i!! worki"% pressre/ Ori$icesshall +e si>e( accor(i"%l*/

.4. S,e"* !)e/P%e((0%e Re!e(e !)e/

Sa$et* valve shall have a(=sta+le pressre with !a)i!! pressre o$ 94 k%2c!/

.4. P%e((0%e G0'e/

-or(o" t+e pressre %a%e shall +e stai"less steel co"strctio" o$ 9? !! pipe si>e#

944 !! (ia!eter a"( 4'544 psi pressre scale/ Pressre %a%e shall +e e&ippe( with +ro">e +all valve/


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2. Clean Water

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