IIII

III)

BILL

A

10 - EXTERNALWORKS II

I0 WATERDRAINAGE - cont'd I

IroN P0ND ]

vation for detention pond and discharge outlet and get out,ring, compact and remove surplus materials off site to's own dump.

rick of25mm coarse aggregale, l

reinforced concrete (Grade 25) as described frlled intoand well packed around st,gel reinforcement (form\ilork

neasured separately ) in:

DETENT

Bulk excrsides tapContract<

l50mm I

Vibratedformworland steel

Drain

Sawn for nwoik as described to:

Drain

Steel ftembeddtwelded'in (meas

lric reinforcement (BRC) well-lapped at joints andI in r:nnnrele wnrlc chall lre hard rlrarrm nr anlrl rnllad ctecl

'ire mesh to MS 144:1987 anrd MS 145:1987, as desclibedred nett-allow for lans) :

Drain

Approlplanted

Supply

\I/ominc Qimlr^a.d fnr T\o+zra+i^- D^-,1 --,1

ground, as per Engineer's detail

fix m.s. faslr screed to r.c. drain, as per Engineer's detail

ln eniqtino drain

To Colleotion

atu

1272

435

l3

t37

I

ITEM

Unit

MS

MC

MS

NO

NO

10/16

D

E

F

10. EXTERNAL WORKS

for drain pipes, part birckfill, compact and remp'vesite to Contractor'd own

sewer pipe laid in trench to varying depth

sewer pipe laid in tr,engh encased in andl50mm ick concrete (Grade 25) reinforced with one layer of

65 I round

wide exceeding 900rnm deep but not

1200mm deep but not exceeding 1500mm do

1.50rl deep but not exceedigg 3.00m deep for

wide exceeding 150Clmm deep but not

1800mm deep but not txceeding 2100mm do

sand bedding under sewerr pipe

ick Selected well compacted granular backfill to top of

clay (VC) pipes and fittingto Sirim approved completejunctions, diminishing pieces, flanges and joints and

l800mrn

Ditto

25Omm

76Omm

bends,

MR

MR

t22

219

159

48

r37

416

MR

MR

MC

MC

10/18

.|

atu

IO - T;XTERNAL WORKS

es shall be constructed in accordance with the Engineer,sshall comply strictly wit'b the requirements of the Local

the Jbllowing items on manhol'es reference should be made toarry other relevant drawingfor details.

Diameter circular drop manJhole constructed of 150ryn(Grade 25) as described base reinforced with trvo

65, 150mm thick r.c. wall reinforce with one lavercourse 225mm ttrick brickwall, 16mm thick high

ing on all inside faces, l50mm thick r.c. topwith one layer of BRC 61, mass concete to place

50mm thick lean concrete (Grade l5), standmdiron steps staggered at 300nun centres with 87.5mm castfornr openings at wall for: inflow and outflow

and including all excavation, part backfill,of surplus excavated materials, concrete benching, hal

W chrannel, 90 degree C.I. bend with masstee, formwork, forming alll outlets and connections

works as detailed in E:ngineer's drawing. (Manholeseparately)

Drop le exceeding l800mm but not exceeding 2l00mmto invert

Drop e,xceeding 2l00mm but not exceeding 2400mmto invert

Unit

NO

NO

Rate10/19

Antount

(RM)

ae.BILL N IO.EXTERNAL WORKIJ

Diameter circular manhole constructed of l50mm th(Grade 25) as descrlbed base reinforced with two laver ol50mrn thick r.c. wall reinforce with one layer of BRC225mtn thick brickwall, l6mm thick hish alumina

con0reteBRC 65

course

fiame incover in

at wall for inflow and outflow pipes, rebated openingall excavation, part backfill, removal and disposal

on all inside faces, 150mm thick r.c. top slablayer of BRC 61, mass concre[e to place cover correct Iick leam concrete (Grade l5), standard U shape cast

at 300mm centres with 8?.5mm cast into walls.

ing and pointing in cement and sand (l:3) and sealirrgand fine sand complete with protective coating.

invert

materials, concrete benching, formwork, fornrand connections and all necessary works as detailerldrawing. (Manhole cover measured separately)

exceeding 900mm but not exceeding l200mm deep

exceeding l200mm but not exceeding l500mm deep

exceeding l500mm but not exceeding lgOOmm deep

heavy duty circular cast iron manhole cover c/wframe to JKR standard detail and requirements and

ing and pointing in cement and sand (l:3) and sealirrgand fine sand complete with protective coating.

medium duty circular cast iron manhole cover c/whlnges frame to JKR standard detail and requirements and

t 9

l l

hinges aframe incover in

J I

II

To Collecti,on :

Uu!

NO

NO

NO

NO

NO

Rate10t20

Amounl

(RM)

{

(

lO.EXTERN

hleatrnent oiant svstem-I works,, piling works, mechanicgates, aNcess road and etc, asand subj$ct to Engineet's approv

10t21Alnount-T-_

IRM)

tI

l

tt

t

ae.IO - I],XTERNAL WORKT;

and fittings including all bends, tees, junctions,block, diminishing pieces,.flanges, end caps and joints

iamet,:r HDPE pipe (PN-l:2.5) laid in trenchwell compacted sand or granular material, partof surplus excavated materials from site (Typical p

HDPE pipe (PN-1:2.5) laid in trenchwelll compacted sand or granular material, part bacl<fiIof surplus excavated materials from site (Typical pipe

road c;rossing)

HDPE inletpipe (PN-l2.5) and fitrings includinganchor/thrust block, diministring pieces, flanges, joints,llar, m.s. brackets, pipe holder and all necessary

and connection (To Elevated water tank)

HDPE pipe (PN-12.5) laid in renchwell compacted sand or gpnular material; partof surplus excavated materials from site (Typical

iamel,er HDPE pipe (PN-12.5) Iaid in trenchwell compacted sand or gSanular material, partof surplus excavated materials from site (Typical

road crossing)

HDPE inletpipe (flrt-Ii.s) and fitrings includinganchor/thrust block, diminishing pieces, fl anges, joints,ar, rr.s. brackets, pipe holder and all necessaryand connection (From Elevated water tank)

l lOmm

ametr:r HDPE scour & overllow pipe and fittingsall berrds, anchor/thrust block, diminishing pieces, flangps,

collar, m.s. brackets, pipe holder and all necessaryand connection (dischargecl to nearest drain)

Allow interconnection pipe and valves between water tanks.

A for p,ipe jacking works (accross main road) for I 60mnrHDPE connect to existing water govemment's main supply

:uo

64

30

30

8

I

J

system iand toolupon

luding transportation, handling pipe jacking equipmenton an about the site and subsr:quent removal from the site

of the works, temporzrry casing pipe, cast iron teeconnection, temporary manhole, approval to localand.tabatan Air. ( approximiate lOm long)

tI!*I

I

It

l60mm

hench)

l60mm

l60mm

puddle

l lOmm

trench)

l lOmm

hench

l lOmm

puddle

branch

To Collection :

Unit

MR

MR

NO

Rate10t22

(

ll valves

valve

Grade I

concreteluding

isposal

160mmcontrol,and tee

160mmflanged

4

A

BILL IO- TIXTERNALWORKS

be':onstructed in acc ordance. with theEngineer's Draw ing:sstrictly with the requirements of the Local Authorities.

thef<tllowing items onvalve and chamberbe made to the relevant drawings for details

lve and

r,lruumm x /)urnm x lJ)unm oeep nternauyof l20mm thick concrete (Grade 25) as described base,with t'ro layer of BRC ,{6 orAS at l50mm c/c, 120mm

reirnforced with lOmm diameter m.s. reinforcement trarcentres bothway, bitumin fill, 50mm thick lean concrete) blinding, 225mmthick solid brickwall finished with

(1:3) plastering on bothsides, 3l0mm x 457mm castduty siurface box cover chained type, lifting hook, mass

(320) with l2mm diameter m.s. bolts with andll excavation, excavation, parrt backfill, removal andsurphls excavated materials, concrete benching,and forming outlets seal with biturninous sealing

iameter cast iron sluice valve complete with valvevalve spindle, verticall short piece flanged

and joints to pipes irrcluding fixing

x 900mm long flange spigot piece, both endjointing to valve and pipes including 50mm

strap, concrete support, form:ing opening inI and sealing in bituminous compound

sluice valve indicator plantecl into ground, as perdetail

To Collectiion:

Qil, Ilnit

NO

NO

NO

NO

Rate10t23

Amount

(RM)

BILL 10 - TIXTERNAL WORKS

]ULATION SYSTEM

PILLAR YDfu|NT VALVES AND CITAMBERS

fire shall be constructed in accordance with the Engineer'sshall strictly to the requirements of Jabatan Bomba,

litalaysia

ii) When

Hydrantintemal

the following item on Jire hydirants reference should be mcrdethe dratings for detalls

I

alve Clhamber 900inm x 750nrm x l350mm deepconsisliing of 120mm thick concrete (Grade 25) asbase n:inforced with two laver of BRC A6 or A8 at

l20mm thick top slab reinfrrrced with lOmm diameterrem€,nt bar at 100mm centres bothway, bitumin fill,lean concrete (Grade 15; blinding, Z25mmthick solid

finisherd with cement sand (l::3) plastering on bothsides,508mrn cast iron heavy duty siurface box cover chained

hool<, mass concrete plinth (G20) with 12mm diameterwith and including all excavation, excavation, part

val and disposal of surplus excavated materials,formworks and formins outlets seal with

sealine comoound.

pillar hydrant with twin 62l,lZmm diameter outlet andiameter vertical inlet complete with blank caps, brass

concrete, painting, l00mur diameter flange pipe pieceto 1.00mm diameter pipe

cast iron hydrant sluice valve complete withl, e.rtended valve spindle, ,rertical short piece flanged

and joints to pipes :including fixing

l00mm

l00mm

l00mm

leaving

x 900mm long flange spigot piece end flahgedto'valve and pipes including forming opening in

wall and sealing in bituminous compound

x 90 degree duck foot bend, both end flanged,in and including mass concretr3 (Grade 20) seating,

iectiions at both ends

fire hydrant indicator planted into ground, as perdetail

and

To Collection :

ae Unit

NO

NO

NO

NO

Rste10t24

Amou!!(RM)