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 A190.1 Setting out the Works as specified or directed by the Engineer sum A190.2 Provisional sum for monthly site meetings as specified 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 Items A190.2 % 270,000.00 Specified Requirements Offices and Accomodation for the Engineer's Staff A211.1 Allow for a monthly Provisional sum of KSh. 100,000.00 for accomodation allowances for Engineer's Staff over the duration of the contract month 6 120,000.00 720,000.00 A211.3 % Adjustment to the provisional sum for Items A211.1 % 720,000.00 Specified Requirements Services 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 WATER SUPPLY BILL NO. 1 - PRELIMINARIES AND GENERAL ITEMS Preliminaries and General Items - Page 1 of 33
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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 - Page 1 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item No Description Unit Qty Rate (KSh.) Amount(KSh.)
Part 1.1: PRELIMINARIES AND GENERAL ITEMS
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
Page Total C/F to Bill No 1 Collection Page
Preliminaries and General Items - Page 2 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item No Description Unit Qty Rate (KSh.) Amount(KSh.)
Part 1.1: PRELIMINARIES AND GENERAL ITEMS
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
Page Total C/F to Bill No 1 Collection Page
Preliminaries and General Items - Page 3 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item No Description Unit Qty Rate (KSh.) Amount(KSh.)
Part 1.1: PRELIMINARIES AND GENERAL ITEMS
Bill No 1 Collection Page
Total brought forward from Page 1
Total brought forward from Page 2
Total brought forward from Page 3
Total C/F to Bill No 1 Summary sheet
Preliminaries and General Items - Page 4 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
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
Page Total C/F to Bill No 2 Collection Page
Treated Water Pump House - Page 5 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item Description Unit Qty Rate AmountNo (KSh.) (KShs)
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
Page Total C/F to Bill No 2 Collection Page
Treated Water Pump House - Page 6 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item Description Unit Qty Rate AmountNo (KSh.) (KShs)
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
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
Page Total C/F to Bill No 2 Collection Page
Treated Water Pump House - Page 7 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item Description Unit Qty Rate AmountNo (KSh.) (KShs)
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
Page Total C/F to Bill No 2 Collection Page
Treated Water Pump House - Page 8 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item Description Unit Qty Rate AmountNo (KSh.) (KShs)
V553Apply one coat of plastic emulsion paint onplastered internal walls ( 1 u/c) and two caots ofgloss paint ( 2 f/c)
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
Page Total C/F to Bill No 2 Collection Page
Treated Water Pump House - Page 9 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item Description Unit Qty Rate AmountNo (KSh.) (KShs)
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
Z321.2Window size 1200 x 1000mm (W2) with 5mmordinary quality clear sheet glass glazing in panes
nr 2.00
Z321.3Window size 1800 x 1000mm (W3) with 5mmordinary quality clear sheet glass glazing in panes
nr 4.00
Z321.4Window size 900 x 1000mm (W4) with 5mmordinary quality clear sheet glass glazing in panes
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
Page Total C/F to Bill No 2 Collection Page
Page Total C/F to Bill No 2 Collection Page
Treated Water Pump House - Page 10 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
Item Description Unit Qty Rate AmountNo (KSh.) (KShs)
Brought forward from page 1
Brought forward from page 2
Brought forward from page 3
Brought forward from page 4
Brought forward from page 5
TOTAL C/F TO BILL No.2 SUMMARY SHEET
Treated Water Pump House - Page 11 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
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
A260.8ND75 GI pipes Class B to maximum workingpressure
m 210.00
A260.9ND100 GI pipes Class B to maximum workingpressure
m 216.00
A260.10ND150 GI pipes Class B to maximum workingpressure
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 - Page 12 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
ITEM No. ITEM DESCRIPTION UNIT QTY RATEKShs
AMOUNTKShs
CLASS A: GENERAL ITEMS
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
I512.3ND 75 uPVC class B pipes in trenches, depth n.e1.5m
m 4,700.00
I512.4ND 100 uPVC class B pipes in trenches, depth n.e1.5m
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
Page Total C/F to Bill No 3 Collection Page
Distribution Pipelines - Page 13 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
ITEM No. ITEM DESCRIPTION UNIT QTY RATEKShs
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,
J321.1 200 x 200 all flanged GI Tees nr 1Page Total C/F to Bill No 4 Collection Page
Transmission Lines - Page 23 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
ITEM ITEM DESCRIPTION UNIT QTY RATE AMOUNT
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
CLASS K: PIPEWORK - MANHOLES ANDPIPEWORK ANCILLARIES.
Construction of chambers complete as shown onthe drawings.
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
Page Total C/F to Bill No 4 Collection Page
Transmission Lines - Page 24 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
ITEM ITEM DESCRIPTION UNIT QTY RATE AMOUNT
No. KShs KShs
K232.2 Gate Valve chamber Type 1C ; depth n.e 1.5 m nr 2
Gate valve chambers as shown on Drawings No.WW/WD/874/SD/002 and SD/004
K232.2 Gate Valve chamber Type 1C ; depth n.e 1.5 m nr 1
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
Transmission Lines - Page 25 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
ITEM ITEM DESCRIPTION UNIT QTY RATE AMOUNT
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.
J341.7 200mm uPVC/S Stepped Flexible Coupling nr 10Page Total C/F to Bill No 4 Collection Page
Transmission Lines - Page 28 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
ITEM ITEM DESCRIPTION UNIT QTY RATE AMOUNT
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
J811.1 Double flanged Gate Valves; nominal bore 200mm nr 1
J811.2 Double flanged Gate Valves; nominal bore 100mm nr 2
CLASS K: PIPEWORK - MANHOLES ANDPIPEWORK ANCILLARIES.
Construction of chambers complete as shown onthe drawings.
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
Gate valve chambers as shown on Drawings No.WW/WD/874/SD/002 and SD/004
K232.2 Gate Valve chamber Type 1C ; depth n.e 1.5 m nr 1
Gate valve chambers as shown on Drawings No.WW/WD/874/SD/002 and SD/004
K232.2 Gate Valve chamber Type 1C ; depth n.e 1.5 m nr 1
Page Total C/F to Bill No 4 Collection Page
Transmission Lines - Page 29 of 33
Northern Water Services Board Augmentation of Masalani Water Supply
ITEM ITEM DESCRIPTION UNIT QTY RATE AMOUNT
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
Page Total C/F to Bill No 4 Collection Page
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Northern Water Services Board Augmentation of Masalani Water Supply
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.