ADDENDUM NO. 1 - ttu.ac.ke · ADDENDUM NO. 1 CLOSING DATE: ... Hand/ Face driers. D Automatic hand...

TAITA TAVETA UNIVERSITY P.O.BOX 635-80300, VOI, KENYA

EMAIL: [email protected]; Tel: 020 8150257

TENDER NO: TTU/T/01B/2017-2018

CONSTRUCTION OF PROPOSED ADMINISTRATION BLOCK- TAITA TAVETA UNIVERSITY MAIN CAMPUS

(PLUMBING, DRAINAGE, SANITARY FITTING, WATER RETICULATION AND FIRE PROTECTION

WORKS)

ADDENDUM NO. 1

CLOSING DATE: 31ST AUGUST, 2017: AT 11.00AM

mailto:[email protected]

BILL OF QUANTITIES MECHANICAL WORKS FOR TTU - VC Admin Main CAMPUS.

ITEM DESCRIPTION QTY UNIT RATE AMOUNT

SANITARY FITTINGS

Supply, deliver, install and fix the

following sanitary fittings including all materials and

jointing to supply wastes/ soil and overflow pipes. Twyfords Ltd products are specified only as an

indication of quality. Equal and approved

appliances may be supplied. Where

trade names are mentioned the Ref.No.is

intended only as a guide to the type and

quality of fittings.

Water Closet (WC) Suite

A Water closet suite (L.L) in approved 42 NO

colour complete with ceramic bowl with 7.5 litres low level ceramic cistern & fittings including siphone,15 mm dia

side inlet ball valve,20mm diameter

side overflow, plastic flush bend, inlet

connections, chrome plated lever. All to

be as TWYFORDS Classic water closet or

equal approved. Asian type.

B Ditto but Low level W.C suite for assist- 6 NO

ed assisted persons c/w 20 mm dia

C.P grab rails on both ends. Western type

C Ditto but without C.P grab rails. 1 NO

Wash Hand Basin

D Wash hand basin size 510mmx420mm 36 NO

with one tap hole and chain stay hole,

concealed wall brackets, chrome plated

pillar tap as COBRA & chain waste 1.25"

& white plastic bottle trap 1.25" P trap

all to be as TWYFORD ‘SOLA’ or equal

approved.

E Ditto but with elbow action pillar taps. 8 NO

Urinal

F Urinal in approved colour vitreous china 16 NO

comprising 3No bowls c/w bowl support

3No divisions, 7.5 litres automatic

ceramic cistern ref CX8611WH & fittings

including siphon ball valve, cistern

supports & drip trap in brass, CP bottle

trap, flush pipe & spreader with all

connections. To be as TWYFORDS or

approved equivalent.

G Ditto but with elbow action pillars 8 NO

TOTAL CARRIED TO SUMMARY

PL/01


Toilet Roll Holder

A Toilet roll holder in vitreous china or 49 NO

BS3402 in white colour, size 165x165mm

& recessed into wall. all as TWYFORDS

or equal and approved.

B Toilet Brush & Holder 49 NO

Toilet brush and holder in vitreous

china or equal and approved.

Mirrors.

C 6mm thick polished plate glass, silver 44 NO

backed mirror with beveled edges, size

600x500mm plugged & screwed to wall

with 4 No. chrome plated dome capped

screws and 5mm foam back nest.

Hand/ Face driers.

D Automatic hand drier in approved color, 23 NO

operating on an infra-red automatic

sensing system with safety cut out c/w

plastic rawl plugs and fixing screws. The

hand drier to have a heating capacity of

1.2KW & performance flow rate about

4 cubic metres/minute & to be of size

270x264x143mm deep and to be as

WANDWORTH BUNNIE model HDZ

or approved equivalent.

E Shower overhead mounted Instantaneous 8 NO

Shower Heater with 4400 Watts heating

element and c/w electric cable. To be as

LORENZETTI or equal approved.

Soap Dispenser

F Wall mounted soap dispenser with a 23 NO

capacity of about 1 litre, having a press

action soap release mechanism c/w

fixing screws. To be as STARMIX or

approved equivalent.

Kitchen sink.

G Double bowl single drainer stainless 2 NO

steel kitchen sink made from 20SWG

(1.0mm)thick stainless steel as

manufactured by ASL size 1500x600mm,

bowl size 430x420mm c/w overflow,

waste fittings, plugs, chain stays and

40mm diameter PVC bottle trap with

75mm deep seal c/w chrome plated

sink mixer as COBRA or equal approved.

H Ditto but with single sink 9 NO


PL/02


INTERNAL PLUMBING

Supply, deliver & install polypropylene

Supply, deliver & install polypropylene

random (PPR) PN-25 Oxy stable pipe

work to DIN 8077.Pipe jointing shall be

by polyfusion or use of electric coupling

Tenderer must allow for jointing,

clippings, couplings, metal/plastic

threaded adaptor where required for

the connection of sanitary fixtures,

valves, sockets, sliding and fixed joints,

support raceways, isolating sheaths,

elastic materials,expansion arms, bends

cross overs etc. Where pipe work is not

chased proper anchoring using approved

fixtures shall be done.

No pipework shall be left exposed to sun

PPR PIPE

A 20mm diameter PPR pipe 560 LM

B 25 mm Ditto 640 LM

Extra over PPR pipework

Bend

C 20mm dia PPR 40 NO

D 25mm dia. Ditto 100 NO

Equal Tees

E 25mm 96 NO

F 20mm 120 NO

Reducers

G 25x20mm 36 NO

Adaptors

H 20mm 48 NO

Gate valves

Approved medium pressure screw down

full way non-rising stem wedge gate

valve to BS1952 with wheel & head joint

to tubing. To be as PEGLAR or equal

approved.

I 25 mm dia. 24 NO

J 20mm dia angle valve. 64 NO

K 15mm dia.x300mm long flexible tubing 64 NO

L Allow for flushing & sterilization of the 1 NO

system.


PL/03


INTERNAL DRAINAGE

Supply and fix uPVC soil system to

BS4660 & BS4515 and muPVC waste

systems to BS5255 with screwed and

socketed joints to BS21. Solvent welded

joints shall be as per the systems

manufacturers written instructions.

Tenderers must allow in their pipe work

prices for all the couplings, connectors,

joints etc as required in the running

lengths of the pipe work and where

necessary for fixing clips, holder bats

plugged and screwed all drainage pipes

to be as Key Terrain or equal approved.

Allow for connections to the nearest

manholes.

uPVC and muPVC pipework.

A 100mm heavy duty golden brown pipe 400 LM

class D

B 100mm heavy duty grey pipe class D 36 LM

C 40mm ditto 480 LM

D 32mm ditto 420 LM

Exra over Upvc and muPVC pipework

Bends

E 100mm dia. bend 72 NO

F 100mm dia. Inspection bend 72 NO

G 40mm dia. 60 NO

Tees

H 40mm dia. Sweep Tee 48 NO

I 32mm ditto 30 NO

Access cap

J 100mm dia. 56 NO

K 40mm dia 56 NO

L 32mm dia 42 NO

Traps

M 100x50mm floor trap and grating 48 NO

N 300x300mm masonry gully trap c/w cover 18 NO

Boss connectors

P 100x50mm 24 NO

Q 100x40mm 42 NO


PL/04


INSPECTION CHAMBERS

A 750x650x600mm deep average inspection 24 NO

chambers constructed from 150mm thick

masonry walling,15mm thick 1:4 plaster

1:3:6 mass concrete benching and

complete with cast iron cover.

TANKS

B 1000 liters PVC cold water storage roof 17 NO

tank placed on a steel base as per

structural Engineers instructions.

To be as ROTO or equal approved.

C Ball control valve. 17 NO

D 25mm gate valve. 34 NO


PL/05


Water reticulation.

A Excavate for small pipes, backfill and 1 ITEM

spread surplus arising after laying the

pipe (Appr 200metres).

B 38mm diameter PPR piping as PN20 200 LM

C 38mm diameter union 12 NO

D Ditto gate valve (England) 6 NO

E 38X25mm reducers 4 NO


PL/06


SUMMARY

A TOTAL FROM PL/01

B TOTAL FROM PL/02

C TOTAL FROM PL/03

D TOTAL FROM PL/04

E TOTAL FROM PL/05

F TOTAL FROM PL/06

TOTAL FOR PLUMBING AND DRAINAGE

WORKS TO MAIN SUMMARY


Portable fire protection equipment

Supply delivery and installation of

portable fire protection equipment:

Carbon dioxide gas fire extinguisher

A 4.5kg carbon dioxide gas portable fire 18 NO

extinguisher complete with pressure

gauge, initial charge and mounting

brackets.

Dry comical powder.

B

9.0 kgs dry chemical powder portable extinguisher complete with initial charge and mounting brackets (CO2) type. BS EN 3/Bs 1449. 18 NO

Water/carbon dioxide gas fire

extinguisher.

C 9ltrs water/carbon dioxide gas portable fire extinguisher complete with pressure 18 NO

gauge, initial charge & mounting brackets

(BS 1004/BSEN31449)

Alarm bell

D 11.9” wall mounted hand operated 4 NO

alarm bell (gong)

Fire exit door signs notices

E Reflective Perspex (Right/Left) 30 NO

F Fire hose reel (swing type) 18 NO

G No smoking fire signs 4 NO

(Reflective Perspex)

H Fire assembly point signs. 2 NO

I 220V 960W water booster pump type. 2 NO

Hewing pumper or equal & approved.

J Fire action plan (Reflective Perspex) 4 NO

K 5*5 asbestos fire blanket c/w metal or 10 NO

plastic container and fixing wall brackets

BS1721 type.


FH/01


A Fire alarm ‘BREAK GLASS’ unit (As 4 NO

MENVIER or equal and approved).

B Fire alarm panel (As surveyor or equal 1 NO

and approved).

C 1.3Kg Elide fire extinguisher balls 0 NO

(Automatic).

D Fire hydrant complete with accessories. 1 NO

(screw down)

E Stand pipe, key and bar for Ditto 1 NO

F Branch and nozzle delivery 1 NO

G Delivery hose 2 NO


FH/02


SUMMARY

A TOTAL FROM FH/01

B TOTAL FROM FH/02

TOTAL FOR PORTABLE EQUIPMENT

& HOSEREEL SYSTEM

FH/03

PROVISIONAL & PRIME COST SUMS


PRIME COST & PROVISIONAL SUMS

A Provide a Prime Cost sum of 5.8M for 2 5,800,000

2No. Lifting system.

B Provide a Provisional sum of 1,500,000 1,500,000

for contingency.

TOTALS FOR PRIME COST & PROVISIONAL

PP/01

GRAND SUMMARY


A TOTAL PLUMBING AND DRAINAGE

WORKS FROM PL/07

B TOTAL FOR PORTABLE EQUIPMENT

& HOSEREEL SYSTEM FROM FH/03

C TOTALS FOR PRIME COST & PROVISIONAL

FROM PP/01

D SUB - TOTAL

E 16% VAT

TOTAL TO FORM OF TENDER

ADDENDUM NO. 1 - ttu.ac.ke · ADDENDUM NO. 1 CLOSING DATE: ... Hand/ Face driers. D Automatic hand...

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