Masalani Boq

Northern Water Services Board Augmentation of Masalani Water Supply

Item No Description Unit Qty Rate (KSh.) Amount(KSh.)

CLASS A - GENERAL ITEMS

Contractual Requirements

A110.1 Provision of Performance Security sum

A110.2 Advance Payment Security sum

A120 Insurance of the Works sum

A130 Third Party Insurance sum

A190.1Setting out the Works as specified or directedby the Engineer

sum

A190.2Provisional sum for monthly site meetings asspecified or directed by the Engineer.

month 6 20,000.00 120,000.00

A190.3 Allow for the provision of record drawings. sum 1 150,000.00 150,000.00

A190.5% Adjustment to the provisional sum for ItemsA190.2

% 270,000.00

Specified RequirementsOffices and Accomodation for theEngineer's Staff

A211.1

Allow for a monthly Provisional sum of KSh.100,000.00 for accomodation allowances forEngineer's Staff over the duration of thecontract

month 6 120,000.00 720,000.00

A211.3% Adjustment to the provisional sum for ItemsA211.1

% 720,000.00

Specified RequirementsServices for Engineer's Staff

Part 1.1: PRELIMINARIES AND GENERAL ITEMS

Page Total C/F to Bill No 1 Collection Page

REHABILITATION/AUGMENTATION AND EXTENSION OF WATERSUPPLY

BILL NO. 1 - PRELIMINARIES AND GENERAL ITEMS

Preliminaries and General Items - of 33




A221.1

Allow for a monthly Provisional sum of Kshs80,000.00 for Maintenance/running costs ofthe 1No vehicle to be provided by theEmployer for use by Engineer's staff over theperiod of contract

month 6 50,000.00 300,000.00

A221.4% Adjustment to the provisional sum for Items(Provisional) A221.1 to A221.3

% 300,000.00

A222.1

Provisional sum for purchase andMaintenance/operating costs for the telephoneservices provided to the Engineer's Staff(Provisional)

month 6 7,000.00 42,000.00

A222.2% adjustment to the provisional sum for ItemA222.1

%

Specified RequirementsEquipment for Engineer's Staff

A233Provisional sum for Provision of protection,safety equipment and clothing for the use ofthe Engineer's Staff (Provisional)

sum 1 50,000.00 50,000.00

A239.1Provisional sum for camera equipment and siterecord and progress photographs as specified(Provisional) to revert back to employer

sum 1 50,000.00 50,000.00

A239.2% Adjustment to the provisional sum for ItemsA233 to A239.1

% 100,000.00

Specified RequirementsAttendance Upon Engineer's Staff

A241.1Provisional sum for Attendance uponEngineer's Staff by a driver (1No.) during thecontract period

man-m 6 30,000.00 180,000.00

A241.2Provisional sum for Attendance uponEngineer's Staff by Office Assistant (1No.)during the contract period

man-m 6 15,000.00 90,000.00






A241.3% Adjustment to the provisional sum for ItemNo. A241.1 to 241.2

% 270,000.00 -

A242Attendance upon Engineer's staff by 2 No.chainmen during the contract period(Provisional)

sum 1

A243Attendance upon Engineer's staff by 2 No.skilled laboratory assistants (Provisional)

sum 1

Specified Requirements

Testing of Materials and Works

A250.1provisional sum for testing of materials asspecified or directed by the Engineer(Provisional)

sum 1 80,000.00 80,000.00

A250.2% Adjustment to the provisional sum for ItemA250.1

%

A260.1Provisional sum for testing of the Works asspecified or directed by the Engineer(Provisional)

sum 1 100,000.00 100,000.00

A260.2% Adjustment to the provisional sum for ItemA260.1

%

Project Signboard and Plaque

A279.1Provision, fixing and maintainance ofsignboards

nr 2






Bill No 1 Collection Page

Total brought forward from Page 1



Total C/F to Bill No 1 Summary sheet



Item Description Unit Qty Rate AmountNo (KSh.) (KShs)

CLASS E : EARTHWORKS

Excavation shall include for strutting, shuttering,stabilising excavated surfaces and keepingexcavations free of water by bailing out, pumping orother means and preparation of the excavatedsurfaces.Rate to including allowance for workingspace (excluding disposal of excavated material)

Excavation for Foundations

E311 Topsoil; depth n.e. 0.25m m3 29.83

E322Material other than topsoil, rock or artificial hardmaterial maximum depth 0.25 - 0.5m. m

3 13.90

E323Material other than topsoil, rock or artificial hardmaterial maximum depth 0.5 - 1.0m. m

3 19.83

E324 Materials other than topsoil, rock or artificial hard m3 19.83

material maximum depth 1.0 -1.5m.

E334Rock material or murram, maximum depth 1.0 -1.5m.(provisional) m

3 5.00

Excavation Ancillaries

Preparation of Excavated Surfaces(planehorizopntal)

E522 Materials other than topsoil, rock or artificial hard m2 119.31

material

E523 Rock surface (provisional) m2 5.00

Disposal of Excacated Material

Approved material shall be retained forbackfilling and unsuitable material shall bedisposed to tip , distance n.e 10km wayfrom site

E531 Topsoil m3 29.83

BILL NO. 2- CONSTRUCTION OF TREATED WATER PUMP HOUSEREHABILITATION/AUGMENTATION AND EXTENSION OF MASALANI WATER SUPPLY


Treated Water Pump House - of 33



E532Material other than topsoil, rock or artificial hardmaterial m

3 27.78

E533 Rock material (provisional) m3 2.00

Filling

Filling to complete structures including compactionas specified.or directed by the Engineer

E614Selected excacated material other than topsoil, rockor artificial hard material. m

3 25.78

E616 Excavated rock for hardcore (provisional) m3 3.00

E617 Imported rock for hardcore m3 30.36

CLASS F : IN SITU CONCRETE

Provision of Concrete

Provide materials and mix concrete to the specifiedclass;cement to BS 12 or BS 146

F233 Design mix; Grade C15/20 m3 11.19

F253 Design mix; Grade C25/20 m3 41.54

Placing of Concrete

Place, vibrate and cure concrete in the followingelements of the structure as per details on drawings.

Mass Concrete; Class 15/20

F511Blinding under bases, footings,genset supports andground slab;thickness n.e. 150mm m

3 11.19

Reinforced Concrete; Class 25/20

Bases, footings, and ground slabs Dimensions asper details on drawings

F621Ground slabs; thickness n.e 150mm ( Rate toinclude for provisding /leaving drainage channel inthe slab as shown on the drawings)

m3 15.18

F622 Strip footing; thickness 300mm m3 11.90





F662450X200 ring beam , cross sectional area 0.03 -

0.1m2 m

3 5.95

F662 Columns, cross sectional area 0.03 - 0.1m2

m3 4.68

F681

Support plinths (5 Nr) ;principal dimensions ,thickness 150mm . Rate to including leaving orhacking out holes for generator sets holding downbolts.Other dimensions to be determined from pumpparticulars (provisional)

m3 1.50

F662 Pipes and fittings support pedestal (s) m3 2.33

CLASS G: CONCRETE ANCILLARIES

Dimensions as per details on Drawings of specificstructural elements

Forwork: Fair FinishPlane Horizontal

G213Soffits for lintel,windows, door spaces and otheropenings in the wall; width 0.2 - 0.4m m

2 4.50

Plane Vertical

G242.1External sides of pump support plinths ; width n.e0.1-0.2m (provisional) m

2 4.50

G242.2 External sides of floor slab ; width 0.1 - 0.2m m2 7.71

G281 External sides of ring beam (Provisional) m 66.10

G282.1 External sides of columns m 52.00

Reinforcement

G522Deformed high yield steel bars to BS 4449 Nominalsize 8mm ( Y8) as stirrups for ring beam anddistribution bras for strip footing

Kg 311.40

G523Deformed high yield steel bars to BS 4449 Nominalsize 10mm as main bars for strip footing ( Y10)

Kg 179.16

G524Deformed high yield steel bars to BS 4449 Nominalsize 12mm as main bars for ring beam ( Y12)

Kg 305.22

G525Deformed high yield steel bars to BS 4449 Nominalsize 16mm ( Y16) for columns

Kg 369.25





G562Steel fabric mesh reinforcement to BS 4483 ref.A142 in floor slab, nominal mass 2-3 kg/m2 m

2 109.48

G812 Finishing of top surfaces with steel trowel m2 109.48

CLASS M: STRUCTURAL METALWORKFabrication work using BS 4360 grade 43 steeljointed using 6mm fillet welds .Rate to includesupply of material and fabrication.

M111.1

Provisional sum for off-site fabrication and in-situerection of a 3-tonne crane in the pump house asshown in the drawings ( provisional)

Sum 1.00 1,200,000.00 1,200,000.00

M111.2

Percentage adjustment to provisional sum for itemNo. M111.1

% 1,200,000.00

M351.1

Structural steel truss straight on plan as detailed indrawing

t 1.50

M351.2

Purlins straight on plan as detailed in drawing t 1.00

Erection workM6251

.1Erection of trusses and purlins as detailed indrawing

t 2.50

Surface treatment

M870Off-site surface treatment of metal surfaces bypainting with one coat red lead-oxide primer

Sum 1.00

V770In-situ painting of metal surfaces with epoxy paint (1 u/c + 1 f/c)

Sum 1.00

CLASS N: MISCELLENOUS METALWORK

N180Open grid flooring cover for 300X150mm drainagechannels

m2 3.00

CLASS U: BRICKWORK, BLOCK WORKAND MASONRY

To include supplying stones and erecting masonrywalls with 15mm mortar joints reinforced with25mm wide hoop iron .Include for raking out andpointing joints on outer surfaces of external walls

U721Dressed masonry vertical straight walls, thickness200mm m

2 343.72

CLASS V: PAINTING





V553Apply one coat of plastic emulsion paint onplastered internal walls ( 1 u/c) and two caots ofgloss paint ( 2 f/c)

m2 198.30

CLASS W: WATERPROOFING

Damp Proofing

W116Damp proofing asphalt/felt (3 ply), width notexceeding 200mm.

m 66.10

W131500 gauge waterproof sheeting/membrane laid onblinded hardcore m

2 109.48

Roofing

W321Prepainted Corrugated Galvanised Iron sheets gauge28 ( rate to include for ridge cap of same gauge) m

2 195.55

W321Box gutter ( Rate to include for 12m long 100mmdia. GS downpipe)

m 24.00

CLASS Z: SIMPLE WORKS INCIDENTALTO CIVILENGINEERING WORKS

Windows, Doors and GlazingRate to include supply of materials/fittings, fixingand/or drilling, cutting of associated works andpainting with 3 coats of paintDoorsCost to include frames, hinges, locks, handles,stoppers, fixing in accordance with specifications,and painting with1 coat red lead oxide primer andtwo coats gloss paint (1 u/c + 2 f/c)

Z323.1 2100 x 900mm steel double door as specified nr 2.00Z323.1 2100 x 3000mm steel double door as specified nr 2.00





WindowsWindows complete with frames, iron mongery, and painted with 3 coats of paint as specified.Include for supplying and fixing

Z321.1Window size 2150 x 1000mm (W1) with 5mmordinary quality clear sheet glass glazing in panes

nr 2.00


nr 2.00


nr 4.00


nr 1.00

Z321.5High level windows size 500 x 1000mm alternatewith glass louvers

nr 10.00

CLASS Z: SIMPLE BUILDING WORKSINCIDENTAL TO CIVIL ENGINEERINGWORKS

Surface Finishes

Z411.120mm thick granolithic finish on floors.(provisional) m

2 109.48

Z411.2Cement/sand 20mm screed finish on floors.(provisional) m

2 109.48

Z413 Cement/sand 25mm plaster on internal walls m2 198.30

Cabled building services

Z7**Electrical installation anfd fittings as shown on thedrawings

Sum 1.00

Carpentry and joineryZ162 Construction of the lockable tools cabinet nr 1.00

Piped building services

Z530

"Twyfords Hindustan" vitreous china wash handbasin size 500 x 400mm fixed on semi concealedbrackets complete with two "Bricon" chromiumplated bib-taps

Sum 1.00

Bill No 2 Collection Sheet

DESCRIPTION IF ANY






Brought forward from page 1





TOTAL C/F TO BILL No.2 SUMMARY SHEET



ITEM No. ITEM DESCRIPTION UNIT QTY RATEKShs

AMOUNTKShs

CLASS A: GENERAL ITEMS

Testing of the Works

Field Pressure Testing, Cleansing andSterilization of Pipelines in Accordance with theSpecifications

A260.1ND50 uPVC pipes Class B to maximum workingpressure

m 3,200.00

A260.2ND50 uPVC pipes Class C to maximum workingpressure

m 800.00

A260.3ND75 uPVC pipes Class B to maximum workingpressure

m 4,700.00

A260.4ND100 uPVC pipes Class B to maximumworking pressure

m 4,250.00

A260.5ND150 uPVC pipes Class B to maximumworking pressure

m 5,400.00

A260.6ND50 GI pipes Class B to maximum workingpressure

m 162.00

A260.7ND50 GI pipes Class C to maximum workingpressure

m 36.00


m 210.00


m 216.00


m 180.00

CLASS D: DEMOLITION AND SITECLEARANCE

D100General clearance; width n.e. 4 metre on eitherside of center line for laying of pipelines.

Ha 10.00

Cutting of trees, removal of stumps with holesbackfilled with excavated material

210 Tree girth 500mm - 1m nr 30.00Page Total C/F to Bill No 3 Collection Page

REHABILITATION/AUGMENTATION AND EXTENSION OF WATER SUPPLY

BILL No. 3 - CONSTRUCTION OF NEW DISTRIBUTION PIPELINES

Distribution Pipelines - of 33



AMOUNTKShs


CLASS I: PIPEWORK - PIPES.

The rates entered against the items in this sectionshall include for stripping top soil, laying aside and subsequently replacing over refilled trench,excavationin trench in material other than rock, shutteringwhere necessary, refilling and compacting,spreading surplus soil evenly over and alongsidepipe trench compacting, supplying, laying andjointing pipes to correct line and level. Depthsare stated from ground level to invert level.

GI pipesI312.0 ND 50 GI class B in trenches, depth n.e 1.5m m 162.00

I312.1 ND 50 GI class C in trenches, depth n.e 1.5m m 36.00

I312.2 ND 75 GI class B in trenches, depth n.e 1.5m m 210.00

I312.3 ND 100 GI class B in trenches, depth n.e 1.5m m 216.00

I312.4 ND150 GI class B in trenches, depth n.e 1.5m m 180.00

uPVC pipes -

I512.1ND 50 uPVC class B pipes in trenches, depth n.e1.5m

m 3,200.00 -

I512.2ND 50 uPVC class C pipes in trenches, depth n.e1.5m

m 800.00


m 4,700.00


m 4,250.00

I512.5ND150 uPVC class B pipes in trenches, depth n.e1.5m

m 5,400.00

Other pipe typesI512.3 ND110 spiral reinforced hose pipe for intake m 36.00





AMOUNTKShs

CLASS A: GENERAL ITEMSCLASS J: PIPEWORK - FITTINGS ANDVALVES (The rates entered here shall includefor Supply,handling and all the necessaryjointing materials)

Installation of uPVC pipe fittings in trenchesor in chambers,

Double Socket uPVC Bends ( provisional)J411.0 11.25° uPVC Bends;ND 50 nr 10.00

J411.1 22.5° uPVC Bends;ND 50 nr 10.00

J411.2 45° uPVC Bends;ND 50 nr 10.00J411.3 90° uPVC Bends;ND 50 nr 10.00

J411.4 11.25° uPVC Bends;ND 75 nr 10.00

J411.5 22.5° uPVC Bends;ND 75 nr 10.00

J411.6 45° uPVC Bends;ND 75 nr 10.00

J411.7 90° uPVC Bends;ND 75 nr 10.00

J411.8 11.25° uPVC Bends;ND 100 nr 10.00

J411.9 22.5° GuPVC Bends;ND 100 nr 10.00

J411.10 45° uPVC Bends;ND 100 nr 10.00

J411.11 90° uPVC Bends;ND 100 nr 10.00

J411.12 11.25° uPVC Bends;ND 150 nr 10.00J411.13 22.5° uPVC Bends;ND 150 nr 10.00

J411.14 45° uPVC Bends;ND 150 nr 10.00

J411.15 90° uPVC Bends;ND 150 nr 10.00uPVC Tapers

J431.0 ND 75x50 uPVC Reducing Socket nr 5.00Page Total C/F to Bill No 3 Collection Page




AMOUNTKShs

CLASS A: GENERAL ITEMSAll Flanged GI Tees ( provisional)

J321.1 ND 150x150 All Flanged equal Tee nr 5.00

J321.2 ND 150x100 All Flanged Tee nr 5.00









J321.11 ND 50x50 All Flanged Equal Tee nr 5.00





AMOUNTKShs

CLASS A: GENERAL ITEMSCouplings (provisional)

J341.1 ND150 uPVC/S Stepped Flexible Coupling nr 20.00




J341.5ND150 x 100 uPVC /uPVC Stepped FlexibleCoupling

nr 15.00


nr 15.00


nr 15.00

J341.8 ND150 Maximum Flexible Coupling nr 15.00




Adaptors ( provisional)

J351.0 ND150 Flange Adaptor nr 8.00




Straight GI Specials (provisional)

J381.1ND150 Special plain ended Spigot with CTF,1200 mm long

nr 10.00

J381.2ND100 Special plain ended Spigot with CTF,1200 mm long

nr 10.00





AMOUNTKShs


J381.3ND75 Special plain ended Spigot with CTF ,1200mm long

nr 10.00

J381.4ND50 Special plain ended Spigot with CTF ,1200mm long

nr 10.00

J381.5 ND150 Special Flanged Spigot ,1200 mm long nr 10.00




GI Flanges

J383.1 ND150 Blank Flange nr 2.00




Installation of Valves in chambers (provisional)

J811.1 ND150 Double Flanged Sluice Valves;to NP16 nr 8.00



J811.2 ND 75 Gate Valves;to NP16 nr 10.00

J811.3 ND 50 Gate Valves;to NP16 nr 10.00

J861.2 ND 150 'Double Flanged Bulk Meter; to NP16 nr 2.00

J861.3 ND 100 'Double Flanged Bulk Meter; to NP17 nr 4.00J861.4 ND 75 Double Flanged Bulk Meter; to NP16 nr 4.00

CLASS K: PIPEWORK - MANHOLES ANDPIPEWORK ANCILLARIES.





AMOUNTKShs


Construction of chambers complete as shown onthe drawings.

Air valve chambers as shown on Drawings

K232.1Air Valve chamber Type 2A with cover type A;

depth 1.5 - 2.0m, plan area n.e 2 m2 nr 5.00

Gate valve chambers as shown on Drawings

K232.3Gate Valve Chamber Type 1B with Cover Type

A; depth 1.5 - 2.0 m; internal area 4 - 5 m2 nr 15.00

Pipe warning cover

K519

Supply and install in trenches at various depth150mm wide labelled medium grade PVC coverover pipeline as indicated on the drawings(provisional)

m 19,154.00

Crossings

K611Lagga (seasonal river) crossing and reinstatement, pipe ND n.e 200 mm

nr 10.00

K661.1Barbed wire fence crossing and reinstatement ,pipe ND n.e 200 mm

nr 20.00

K661.2Water pipelines crossing andreinstatement,pipeND n.e 200mm ( provisional)

nr 15.00

Reinstatement

K732.2Breaking up, temporary and permanentreinstatement of earth roads

m 1,500.00

K752Reinstatement of land along the easement(provisional)

m 5,000.00

Marker Posts as shown on the DrawingsK820.1 Marker posts for Gate Valves inscribed GV nr 15.00K820.2 Ditto but for Washouts inscribed WO nr 5.00

K820.3 Ditto but for Air Valve inscribed AV nr 5.00Page Total C/F to Bill No 3 Collection Page




AMOUNTKShs

CLASS A: GENERAL ITEMSK820.4 Ditto but for Water Main inscribed WM nr 200.00

K863Connection to existing water pipes,ND n.e 200mm. To include cutting existing pipe and controlof water (provisional)

nr 5.00

Washout outfall

K900Construct Washout Type 1 outfall complete asshown on the Drawings

nr 5.00

CLASS L: PIPEWORK - SUPPORTS ANDPROTECTION, ANCILLARIES TO LAYINGAND EXCAVATION

Excavation of rock as defined in thespecifications.

L111 Excavation of rock for pipe trenches m3 100.00

L121Excavation of rock for chambers , thrust blocks,and anchor blocks m3 10.00

Bed and Surrounds as shown on drawings

L521Sand bedding and surrounds material, pipeNDn.e. 200 mm, bed depth 100 mm

m 5,000.00

Mass concrete class 20/20 in thrust blocks

Thrust blocks for bends, tees and blank ends.Dimensions of blocks as shown on the Drawings

L711.1 ND n.e. 100 mm; volume n.e 0.1 m3 nr 20.00

Reinforced concrete class 25/20 in anchorblocks





AMOUNTKShs


Anchor blocks for tapers and Gate valves.Dimensions and reinforcement details of eachanchor block as

L711.2 ND n.e 200mm; volume n.e 0.1 m3 nr 20.00





AMOUNTKShs















ITEM ITEM DESCRIPTION UNIT QTY RATE AMOUNT

No. KShs KShsPUMPING MAINS 1 (PM 1)CLASS A: GENERAL ITEMS


Field Pressure Testing, Cleansing and Sterilisationof Pipelines in Accordance with Specifications

A260.1 200mm nominal bore uPVC mains to 90 m testpressure m 1,500

A260.1 200mm nominal bore GI mains to 90 m testpressure m 400

CLASS D: DEMOLITION AND SITE CLEARANCE

D100 General clearance; width n.e. 4 metre on eitherside of center line for laying of pipelines. sm 8000.0


D210 Tree girth 500mm - 1m nr 15

D220 Tree girth 1 - 2m nr 5


REHABILITATION/AUGMENTATION AND EXTENSION OF WATER SUPPLY

BILL No.4. CONSTRUCTION OF NEW TRANSMISSION LINES


Transmission Lines - of 33



No. KShs KShs

CLASS I: PIPEWORK - PIPES. (Including Supply)

Plain ended GI pipes Class B to BS21 for road andlugga crossings ( Each pipe to be supplied with1No Maximum Flexible coupling)

I312.1 Nominal bore 200mm in trenches, depth n.e 1.5m m 400

uPVC Class B Socket and Spigot pipes to BS3505

I512.1 Nominal bore 200mm in trenches, depth n.e 1.5m m 1,500

CLASS J: PIPEWORK - FITTINGS AND VALVES(Includes Supply and Installation)

Installation of pipe fittings in trenches or inchambers

Bends

J411.1 11.25 Deg Double Socketted uPVC Bends; nominalbore 200mm nr 2


J411.3 30 Deg Double Socketted uPVC Bends; nominalbore 200mm nr 4



Tees

J321.1 200 x 200 all flanged GI Tees nr 1Page Total C/F to Bill No 4 Collection Page




No. KShs KShsConnectors

Reducing Sockets

J331.2 200mm to 100 mm GI Reducing Sockets nr 1

Couplings

J341.7 200mm uPVC/S Stepped Flexible Coupling nr 16

Adaptors

J351.1 Flange Adaptor, nominal bore 200mm nr 3

J351.3 Flange to uPVC Socket Adaptors, nominal bore100 mm nr 2

End Caps

J491.1 uPVC End Cap; Nominal Bore 200 mm nr 4

Installation of Valves

J811.1 Double flanged Gate Valves; nominal bore200mm nr 2

J811.2 Double flanged Gate Valves; nominal bore 100mm nr 2



Air valve chambers as shown on DrawingsWW/WD/874/SD/003 and SD/004

K232.1Air Valve chamber Type 2A with cover type A;depth 1.5 - 2.0m, plan area n.e 2 m2 nr 2

Gate valve chambers as shown on Drawings No.WW/WD/874/SD/002 and SD/004





No. KShs KShs

K232.2 Gate Valve chamber Type 1C ; depth n.e 1.5 m nr 2



uPVC pipes warning cover

K519Supply and install in trenches at various depth150mm wide labelled medium grade rigid PVCcover over pipeline as indicated on the drawings

m 1900

Crossings

K611.1 Lugga crossing 1-3 m, pipe nominal bore n.e200mm nr 2

K661.1 Fence crossing, pipe nominal bore n.e 200mm nr 4

K671.1 Sewer or drains crossings, pipe nominal bore 200mm nr 4

K681 Underground telephone cables, pipe nominal bore200 mm nr 6

K731.2

Gravel or murram road crossings, pipe nominalbore 200 mm. To include traffic control anddiversion and reinstatement to the originalcondition to relevant authorities satisfaction

nr 10

Reinstatement

K732.1 Breaking up, temporary and permanentreinstatement of gravel roads m 400

K751 Reinstatement of land along the easement m 1000

Marker Posts as shown on Drawing No. C/ST/11

K820.1 Marker posts for Gate Valves inscribed GV nr 4Page Total C/F to Bill No 4 Collection Page




No. KShs KShsK820.2 Ditto but for Water Main inscribed WM nr 20

K861Connection to existing water pipes, nominal boren.e 200 mm. To include cutting existing pipe andcontrol of water

nr 10

CLASS L: PIPEWORK - SUPPORTS ANDPROTECTION, ANCILLARIES TO LAYING ANDExCAVATION

Excavation of rock as defined in the specifications

L111.1 Extras to excavation and backfilling in pipetrenches, excavation of rock m3 10

L121.1 Extras to excavation and backfilling in chambersand thrust blocks, excavation of rock m3 3

Bed and Sorrounds as shown on drawingWW/WD/874/SD/008

L521Selected Excavated granular bed and sorroundmaterial, pipe nominal bore n.e. 200 mm, beddepth 600 mm

m 1,900

Mass concrete class 20/20 in thrust blocks

Thrust blocks for bends, tees and blank ends.Dimensions of each block as shown on DrawingsNo. WW/WD/874/06 and WW/WD/874/07 tosuit.

L711.1 Nominal bore n.e 200 mm; volume n.e 0.1 m3 nr 6

L721.1 Nominal bore n.e 200mm; volume 0.1 - 0.2 m3 nr 6

L731.1 Nominal bore n.e 200mm; volume 0.2 - 0.5 m3 nr 6Page Total C/F to Bill No 4 Collection Page




No. KShs KShs

Reinforced concrete class 25/20 in anchor blocks

Anchor blocks for tapers and Gate valves.Dimensions and reinforcement details of eachanchor block as shown on Drawing No.WW/WD/874/07 to suit.

L711.2 Nominal bore n.e 100mm; volume n.e 0.1 m3 nr 13


PUMPING MAINS 2 (PM 2)CLASS A: GENERAL ITEMS


Field Pressure Testing, Cleansing and Sterilisationof Pipelines in Accordance with Specifications

A260.1 200mm nominal bore uPVC mains to 90 m testpressure m 1,500

A260.1 200mm nominal bore GI mains to 90 m testpressure m 200

CLASS D: DEMOLITION AND SITE CLEARANCE

D100 General clearance; width n.e. 4 metre on eitherside of center line for laying of pipelines. sm 6000.0


D210 Tree girth 500mm - 1m nr 5


D230 Tree girth 2 - 3m nr 4Page Total C/F to Bill No 4 Collection Page




No. KShs KShs

CLASS I: PIPEWORK - PIPES. (Including Supply)

Plain ended GI pipes Class B to BS21 for road andlugga crossings ( Each pipe to be supplied with1No Maximum Flexible coupling)

I312.1 Nominal bore 200mm in trenches, depth n.e 1.5m m 200

uPVC Class B Socket and Spigot pipes to BS3505

I512.1 Nominal bore 200mm in trenches, depth n.e 1.5m m 1,500

CLASS J: PIPEWORK - FITTINGS AND VALVES(Includes Supply and Installation)

Installation of pipe fittings in trenches or inchambers

Bends





Connectors

Reducing Sockets

J331.2 200mm to 100 mm GI Reducing Sockets nr 1

Couplings

J341.7 200mm uPVC/S Stepped Flexible Coupling nr 10Page Total C/F to Bill No 4 Collection Page




No. KShs KShsAdaptors

J351.1 Flange Adaptor, nominal bore 200mm nr 2

J351.3 Flange to uPVC Socket Adaptors, nominal bore100 mm nr 2

End Caps

J491.1 uPVC End Cap; Nominal Bore 200 mm nr 4

Installation of Valves





Air valve chambers as shown on DrawingsWW/WD/874/SD/003 and SD/004

K232.1Air Valve chamber Type 2A with cover type A;depth 1.5 - 2.0m, plan area n.e 2 m2 nr 3









No. KShs KShsuPVC pipes warning cover

K519Supply and install in trenches at various depth150mm wide labelled medium grade rigid PVCcover over pipeline as indicated on the drawings

m 1700

Crossings

K611.1 Lugga crossing 1-3 m, pipe nominal bore n.e200mm nr 4

K661.1 Fence crossing, pipe nominal bore n.e 200mm nr 10

K671.1 Sewer or drains crossings, pipe nominal bore 200mm nr 10

K681 Underground telephone cables, pipe nominal bore200 mm nr 8

K731.2

Gravel or murram road crossings, pipe nominalbore 200 mm. To include traffic control anddiversion and reinstatement to the originalcondition to relevant authorities satisfaction

nr 4

Reinstatement

K732.1 Breaking up, temporary and permanentreinstatement of gravel roads m 200

K751 Reinstatement of land along the easement m 1500

Marker Posts as shown on Drawings provided

K820.1 Marker posts for Gate Valves inscribed GV nr 2

K820.2 Ditto but for Water Main inscribed WM nr 10

K861Connection to existing water pipes, nominal boren.e 200 mm. To include cutting existing pipe andcontrol of water

nr 4





No. KShs KShsCLASS L: PIPEWORK - SUPPORTS ANDPROTECTION, ANCILLARIES TO LAYING ANDExCAVATION

Excavation of rock as defined in the specifications

L111.1 Extras to excavation and backfilling in pipetrenches, excavation of rock m3 15

L121.1 Extras to excavation and backfilling in chambersand thrust blocks, excavation of rock m3 4

Bed and Sorrounds as shown on drawingWW/WD/874/SD/008

L521Selected Excavated granular bed and sorroundmaterial, pipe nominal bore n.e. 200 mm, beddepth 600 mm

m 1,700

Mass concrete class 20/20 in thrust blocksThrust blocks for bends, tees and blank ends.Dimensions of each block as shown on DrawingsNo. WW/WD/874/06 and WW/WD/874/07 tosuit.

L711.1 Nominal bore n.e 200 mm; volume n.e 0.1 m3 nr 4

L721.1 Nominal bore n.e 200mm; volume 0.1 - 0.2 m3 nr 3L731.1 Nominal bore n.e 200mm; volume 0.2 - 0.5 m3 nr 2

Reinforced concrete class 25/20 in anchor blocks

Anchor blocks for tapers and Gate valves.Dimensions and reinforcement details of eachanchor block as shown on Drawing No.WW/WD/874/07 to suit.

L711.2 Nominal bore n.e 100mm; volume n.e 0.1 m3 nr 2






No. KShs KShs















REHABILITATION/AUGMENTATION AND EXTENSION OFMASALANI WATER SUPPLY

GRAND SUMMARY SHEET

BILL NO. ITEM DESCRIPTION AMOUNT (Kshs)

1 PRELIMINARIES AND GENERAL ITEMS

2 CONSTRUCTION OF TREATED WATER PUMP HOUSE

3 CONSTRUCTION OF NEW DISTRIBUTION LINES

4 CONSTRUCTION OF NEW TRANSMISSION LINES

SUB-TOTAL

ADD: 10% FOR CONTINGENCIES

GRAND TOTALCARRIED FORWARD TO TENDER FORM

Summary

Masalani Boq

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