strategic intervention projects - 2018/2019 kiptunoi … water... · the republic of kenya kericho...

The Republic of KenyaKericho County

STRATEGIC INTERVENTION PROJECTS 2018/2019 FYKIPTUNOI WATER SUPPLY PROJECT

BILL DESCRIPTION AMOUNTNo. KES

0.0 PRELIMINARY AND GENERAL ITEMS

1.0 INTAKE WEIRBILL NO: 1-INTAKE WORKS

2.0 SURFACE PUMPING STATIONBILL NO: 1-SURFACE PUMPING STATION

3.0 RISING MAINBILL NO: 2- RISING MAIN

4.0 DISTRIBUTION NETWORK

4.1A BILL 4.1-DISTRIBUTION MAIN 1A

4.1B BILL 4.1-DISTRIBUTION MAIN 1B

4.2A BILL 4.2-DISTRIBUTION MAIN 2A

4.2B BILL 4.2-DISTRIBUTION MAIN 2B

4.3 BILL 4.3-DISTRIBUTION MAIN 3

SUMMARY OF DISTRIBUTION NETWORK

5.0 STORAGE TANK3.10 BILL 5.1 100M3 GROUND MASONARY TANK

6.0 BILL NO 6 DAYWORKS

VAT 16%

TOTAL INCLUSIVE OF VAT AND CONTIGENCIES

STRATEGIC INTERVENTION PROJECTS - 2018/2019

SUMMARY OF BILLS OF QUANTITIES

SUB TOTAL

CONTINGENCIES 5%

TOTAL WITH CONTINGENCIES

KIPTUNOI WATER SUPPLY PROJECT

March 2019 Summary Page : of 30



ITEM No. DESCRIPTION UNIT QUANTITY RATE

(KES) AMOUNT

(KES)

A110 Provision of Performance Security Item L.S

A120.1 Insurance for Works and Contractor's Equipment Item L.S

A120.2 Insurance against Injury to Third Party Persons andDamage to Property Item L.S

A120.3 Insurance for Contractor's Personnel Item L.S

The following provisional sums are to be measured on completion and priced in accordance with the rates contained in these bills of quantities or prorata thereto or deducted in whole if not required

AAllow a provisional sum of Kenya shillings one hundred thousand (100,000.00) only for compliance with N.C.A and N.E.M.A regulations

Item PC SUM 100,000.00

B

Allow a provisional sum of Kenya shillings Two Hundred and fifty Thousand (250,000.00) for Project Supervision and Management to be utilized as per the Engineers instructions


C

Allow a provisional sum of Kenya shillings One million, two hundred thousand (1,200,000.00) for Power supply(electricity or solar panels installation as will be advised by the Engineer) and all related connection costs to the pump house

Item PC SUM 1,200,000.00

D Allow a provisional sum of Kenya shillings Fifty Thousand (50,000.00) for use in water quality sampling and testing. Item PC SUM 50,000.00

EAllow a provisional sum of Kenya shillings Fifty Thousand (50,000.00) only for use in tie in works between the existing and new works


KERICHO COUNTY STRATEGIC INTERVENTION PROJECTKIPTUNOI WATER SUPPLY SYSTEM

PRELIMINARIES AND GENERAL ITEMS

TOTAL CARRIED FORWARD TO SUMMARY SHEET

March 2019 P&G : of 30



ITEM NO. DESCRIPTION UNIT QUANTITY RATE (Ksh) AMOUNT

(Ksh)

The rates shall include for all strutting, shuttering, stabilising the excavation faces, and keeping the excavation free of water by pumping, bailing or other means.Excavate for foundations, part backfill after construction and remainder, cart away to tips or use as fill on site, all as directed by the Engineer.Excavate below stripped level to formation level in common material, part backfill after construction and remainder, cart away to tips or use as fill on site, all as directed by the Engineer.

CONSTRUCTION OF AN INTAKE WIER

1

Construction of New reinforced Concrete intake weir. Rate to include for demolition of existing intake structure, excavation of water collection sump, construction of intake weir and outlet chamber, plastering and grouting and other required works as shown in the drawing and as directed by the engineer.

LS

SOURCE PROTECTION

2

Provision for fencinf and source protection works. Rate to include for planting of indigenoues trees, stabilization of the spring, fencing and any other incidental works that is to be done as per the engineers instructions

LS

PIPE WORK AND FITTINGS

3 Provide for outlet pipework for the intake weir, Rate to include all fittings, jointing and gaskets where needed. LS

BILL No. 1 - KIPTUNOI INTAKE WEIR


KERICHO COUNTY STRATEGIC INTERVENTION PROJECT

KIPTUNOI WATER SUPPLY SYSTEM

March 2019 Bill No.1 Intake Weir : of 30




(KES) AMOUNT

(KES)

Pump House Construction of a Pump House and provision of Power Supply tothe Pump house ( Provision of Materials & Labour)Strip top soil 250mm deep from ground level and deposit on site asdirected by the engineer M3 18

1.1 Allow for backfilling to approved levels after the works are complete L/s 1

1.2 Provide, place and compact hardcore of approved quality not lessthan 250mm thick to make up levels M3 4.5

1.3 Provide, place and compact to 50mm murram of approved qualityblinding M2 2.25

1.4 Strip foundation concrete 1:3:6 M3 0.75

1.50 100mm thick floor slab concrete1:2:4 M3 0.75

1.6 225 X 150mm ring beam concrete 1:2:4 M3 0.375

1.7 100mm thick concrete 1:2:4 roof slab with slope not exceeding1:14 M3 1.25

1.8 Formwork to sides of ring beam of 225 x 150mm M 15.75

1.9 Formwork to soffit of ring beam of 225 x 150mm M 1.875

1.10. Formwork to soffit of roof slab M2 4.5

1.11 Formwork to soffit of roof slab eaves M2 1.5

1.12 Formwork to side of floor slab M 8.25

1.13 Formwork to side of roof slab M 9.75

1.14 Provide materials and join with cement sand mortar 1:2mix to150mm thick quarry stone walling to foundation (provisional) M2 13.5

1.15 Provide materials and joint with cement sand mortar 1:2 mix to150mm thick dressed and key finished quarry stone walling M2 15.75

TOTAL CARRIED FORWARD TO NEXT PAGE


KIPTUNOI TRANSMISSION NETWORK

BILL No. 2.2 - KIPTUNOI - PUMP HOUSE

March 2019 Bill No 2-Pumping Station : of 30



Provide, handle, cut, bend and fix the following reinforcement asper the drawing or as directed by the engineer

1.16 12mm twisted mild steel bars KG 102

1.17 6mm round mild steel bars KG 9.75

1.18 8’ X 4’ X8G wire mesh M2 0.75

1.19 20mm hoop iron KG 7.5

1.20. Provide, handle and apply the following materials as described

1.21 25mm thick 1:2 cement sand screed to floor slab with steel floatfinish M2 3.75

1.22 20mm thick 1:2 cement sand mortar to interior surfaces of the wallwith steel float finish M2 17.25

1.23 20mm thick 1:2 cement sand mortar to exterior surfaces of the ringwith wooden float finish M2 1.875

1.24 20mm thick 1:2 cement sand mortar to exterior surfaces of theplinth with wooden float finish M2 2.4

1.25 15mm think 1:2 cement sand mortar to concrete still with steel floatfinish M2 0.75

1.26 20mm thick 1:2 cement sand to soffit of the roof slab with woodenfloat finish M2 5.25

1.27 20mm thick 1:2 cement sand to top of the roof slab with woodenfloat finish M2 6.75

Doors and Windows

1.28

Grilled steel casement window 600 X 900mm with grills made from25 x25mm mild square tube spaced not more than 150mm bothways with mild steel gauge 160 plate on 25 x 25mm square tubeframe shutter

NO 1

1.29

Grilled steel casement window 600 x 600mm with grills made from250x 25mm mild square tube spaced not more than 150mm bothways with mild steel gauge 16 plate on 25 x25mm square tubeframe shutter

NO 1

1.30.1950 x 900mm mild steel door with 40x25mm frame and battenson 40x 25mm frame with 3NO hinges and 1 NO union mortise lockand 2NO padlock bolts on the inner face of the door

NO 1


TOTAL FROM PREVIOUS PAGE




Damp Proof Membrane and Course1.31 Mastic asphalt damp proof membrane M2 4.5

1.32 150mm mastic asphalt damp proof course M 5.25

Lifting Equipment

1.34Supply and install a hoist and associated components with a liftingcapacity of 2 tonne for a vertical distance of 5m . Details as per thedrawings and specifications.

No. 1

EXCAVATION

The rates shall include for all strutting, shuttering, stabilising the excavation faces, and keeping the excavation free of water by Excavate for foundations, part backfill after construction and remainder, cart away to tips or use as fill on site, all as directed by the Engineer.

Excavate below stripped level to formation level in common material, part backfill after construction and remainder, cart away to tips or use as fill on site, all as directed by the Engineer.

1.35 Maximum depth n.e. 1.0 m m3 8

1.36 -Ditto- but maximum depth 1.0 m to 2.0 m m3 8



1.39 Extra Over Item 1.1 to 1.4 for excavation in rock Class 'A', Blasting not permitted (Provisional) m3 2

1.40 Extra Over Item 1.1 to 1.4 for excavation in rock Class 'B', Blasting not permitted (Provisional) m3 3

1.41 Extra Over Item 1.1 to 1.4 for excavation in rock Class 'C', Blasting not permitted (Provisional) m3 1

Fill

1.42

Transport approved excavated material from site and use as fill and compact in 200 mm layers as specified on site as and where directed by the Engineer. Compaction tests to be done and rates to include for this.

m3 10

1.43 Provide approved hardcore material and compact in layers of 200 mm, blinded with final material 25 mm thick m3 5






CONCRETE WORKS

Provide, mix and place concrete as directed:

1.44 Plain concrete class 15/20 in 75mm thick blinding under the base of Water Sump and Pump Control Room m2 8

Vibrated reinforced concrete class 25/20 in:

1.45 Base Slab of Water Sump and Pump Control Room m3 5

1.46 Walls of Water Sump and Pump Control Room m3 14

1.47 Cover slab of Water Sump and Pump Control Room m3 51.48 REINFORCEMENT

Provide and fix high tensile reinforcement , including cutting, bending, propping with spacers and tying as specified

1.50 Reinforcement, all diameters kg 2,000

FORMWORK

Provide and fix shuttering including propping, strutting and striking, all as specified

Vertical Formwork - Class F1 Finish

1.51 Sides of base slab for Water Sump and Pump Control Room, width n.e. 0.2m m 100

Vertical Formwork - Class F3 Finish

1.52 Sides of Water Sump and Pump Control Room walls width n.e. 4.0m m2 55

1.53Boxing out 150mm x 150mm holes in concrete walls of Water Sump and Pump Control Room and making good after installation of pipework.

Nr 1

PIPEWORK & FITTINGS - APPROVED LINED FERROUS PIPES TO CLASS NP16

Supply, transport to site and store in secure place, including jointing materials,fittings, bolts, gaskets, packing, jointing glues, etc. as applicable

1.54 Pump House Inlet Pipework Schedule as shown on the drawing and as directed by the Engineer LS

1.55 Pump House Delivery Pipework Schedule as shown on the drawing and as directed by the Engineer LS

1.56 Scour and Overflow Pipework Schedule as shown on the drawing and as directed by the Engineer LS






2 PUMPS

2.1

Supply, Install, test and commission Horizontally installed, multi-stage, axially-split volute casing pumps with double-entry radial impeller, mating flanges to DIN, ISO, BS or ANSI standards water pumps each of capacity 5m3/hr against 80m head. With a power rating above 5.5 KW. Include for all excavation, backfilling, demolition, pipe work, concrete works, supply test and commission a control panel, connect to the Control panel for the pumps (the controls units shall be housed in a wall mounted dust and dump proof sheet steel enclosure with hinged and lockable front door, and door switched power isolator) (system duty point shall be Q=20m3/hr and H=60 m). The pumps so selected complete with the motor shall have a minimum efficiency of 75% at system duty point. The motors shall be minimum class IE3 efficiency class. The motor shall be to minimum IP 55 running at 1500/2900rpm with 50Hz frequency. The pump must be capable of maintaining efficiency over a large pumping range but shall not lose efficiency by more than 5% on 10% either side of the duty point. the quotation to include for all the valves, non return valves , elbows and all other fittings. Pump to be supplied must be compatible and able to be connected to the solar power supply system should a decision to adopt solar power is preferred.

Nr 1

2.2 Design, supply, Install and commision complete surge analysis with the associated fittings and as directed by the Engineer. Item PC Sum 2,000,000.00

3 MISCELLANEOUS WORKS

3.1 Provide and install 1500mm x 900mm open mesh cover over the pump room including preparation of a 55 x 55mm rebate in Nr 1

3.2 Provide and install 800mm x 800mm chequered plate cover over valve chamber including preparation of a 55 x 55mm rebate in Nr 1

3.3 Provide and fix 200mm wide Expandite supercast rearguard R PVC or similar approved waterstop m 22

3.4 Provide and fix step irons to Water Sump Nr 8







(KES) AMOUNT

(KES)

A2 ; TESTING OF THE WORKSTesting, Disinfection & Flushing of Pipelines and Fittings. PressureTesting exc.12 bar but not exc.25 bar,

A260.1 Testing and Commissioning of pipes as specified.Pipe Size OD-125mm SDR 17 m 1,375

A290.1 Flushing and disinfectionof the Pipes as specified. Pipe Size OD -125mm SDR 17 m 1,375

D ; DEMOLITION & SITE CLEARANCE

D100Clear site within and around proposed storage tank for all rubbish,vegetation, bushes and grasses and artificial artucles above theoriginal ground surface.

ha 1

D2 ; TREESD210 Removal of trees, Girth : 500mm - 2m nr 15D310 Removal of tree stumps, diameter less than 1m nr 15

I PIPEWORK – PIPESI7 ; HDPE PIPES

HDPE Pipes PE 100 PN 10 With ISO CertificationBends and fittings to be PN 16Rates to include for Supply of pipes and associated appurtenances, transport to site, excavate for, lay,joint, test and backfill. The pipes and fittings are to be laid in accordance with Drawings provided and to the engineers instructions

I722 OD 125 in trenches with depth range not exceeding 1.5 m 917

I723 OD 125 in trenches with depth range between 1.5-2.0 m 458

J PIPEWORK – FITTINGS AND VALVES

J63 HDPE BENDSBends double flanged long radius; 30º

J611 Nominal Bore: 125 nr 5

Bends double flanged long radius; 45ºJ611 Nominal Bore: 125 nr 4



KERICHO COUNTY STRATEGIC INTERVENTION PROJECTKIPTUNOI TRANSMISSION NETWORK

BILL No. 2 - RISING MAIN

March 2019 Bill No 3 Rising Main-1 : of 30



ISOLATION VALVE OD 125 2

Flanged Adaptor;J351 PN 10 OD 100 Flanged Adaptor nr 4

Single Flanged SpigotJ381 PN 10 OD 100 Single Flanged Spigot L = 1 m nr 4

Couplings, wide range type;J391 PN 10 OD 100 Coupling nr 4

Flanged Gate valves;J811 PN 10 OD 100 Flanged Gate Valve nr 2

J811 Dismantling joint PN 10 OD 100 Dismantling joint nr 2

Air Valves: triple action, anti surge, anti shock, c/w separate femalethreaded stop cock/isolatorand isolating valve, PN 10 and allassociated fittings as shown in the drawings

J861 Nominal bore: 80mm nr 3


Flanged spigotsJ381 PN 10 DN 100 Flanged Spigot (L = 1m) nr 6

Flanged Tee;J331 PN 10 DN 100 Flanged Tee nr 3

Reducing Flange;J391 PN 10 DN 100/80 Reducing Flange nr 3

Flanged AdapterJ351 PN 10 DN 80 Flanged Adapter nr 3

Flanged Gate valves;J811 PN 10 DN 80 Flanged Gate Valve nr 3

Wash outs; with integral isolating valve; fittings and outfall structureas per the standard drawing As specified in the drawing







K ; PIPEWORK – MANHOLES AND PIPEWORK ANCILLARIES

K2 ; CHAMBERS

K231

Provide all materials and construct valve chambers of internaldimensions as shown on the standard drawings and the fittingschedule for the specific nodes . Include for supply and fixing ofprecast concrete cover and step irons, etc as detailed in drawings.Depth n.e. 1.5m

nr 2

WASH OUT OUTFALLAs specified in the drawing

K211.1 Depth: not exceeding 1.5m nr 2

AIR VALVE CHAMBERAs specified in the drawing


K6 CROSSINGSInclude for all works associated with the crossing As specified River crossing

K612 Pipe bore: not exceeding 355 mm (Provisional) m 10

K7 REINSTATEMENTSBreaking up, temporary and permanent reinstatement of roads.(Provisional)

K732 Pipe bore not exceeding 300mm m 10

Road crossings, width exceeding 10m, including all couplings, surrounds, bearings etc

K442 Under-crossing, Micro-tunnelling pipe bore not exceeding 300-900mm (sleeve) m 10

K8 OTHER PIPEWORK ANCILLARIESK820.1 Marker posts (Pipeline) (Rising Main) nr 9K820.3 Marker posts (Washout Valve) nr 2K820.4 Marker posts (Air Valve) nr 3

K900Marker tape / strip for pipeline location, pigmented low densitypolyethylene and aluminium foil in a bright colour continously labelled"DANGER PIPE" in English

m 1,375

L SUPPORTS AND PROTECTION ANCILLARIES TO LAYING ANDEXCAVATION

L32 BEDS

L321 Selected excavated granular material as per specifications. Beds100mm thick, pipeline nominal bore 160mm m 10

L7 CONCRETE STOOLS AND THRUST BLOCKSConcrete Class 20

L71 Volume:- not exceeding 0.1 m³L713 To pipes not exceeding 300mm nr 6







(KES) AMOUNT

(KES)

A2 ; TESTING OF THE WORKS

Testing, Disinfection & Flushing of Pipelines and Fittings. Pressure Testing exc.12 bar but not exc.25 bar,

A260 Testing and Commissioning of pipes as specified.Pipe Size DN - 75mm m 2300

A290 Flushing and disinfectionof the Pipes as specified. Pipe Size DN - 75mm m 2300


D100 Clear site within and around proposed storage tank for all rubbish, vegetation, bushes and grasses and artificial artucles above the original ground surface.

ha 0.92

D2 ; TREESD210 Removal of trees, Girth : 500mm - 2m nr 15.0D310 Removal of tree stumps, diameter less than 1m nr 15.0

I PIPEWORK – PIPESI7 ; PVC PIPES

PVC PRESSURE PIPES KS 150 PN 10 With ISO CertificationBends and fittings to be PN 12Rates to include for Supply of pipes and associated appurtenances, transport to site, excavate for, lay,joint, test and backfill. The pipes and fittings are to be laid in accordance with Drawings provided and to the engineers instructions

I511 OD 75 in trenches with depth range not exceeding 1.5 m 1533I512 OD 75 in trenches with depth range between 1.5-2.0 m 767


J63 PVC BENDS

Bends double flanged long radius;45ºJ611 Nominal Bore: 75 nr 6


Bends double flanged long radius; 22.5ºJ611 Nominal Bore: 75 nr 3



KIPTUNOI DISTRIBUTION NETWORK

BILL No. 4.1 - DISTRIBUTION NETWORK - KP DM 1A


March 2019 Bill No 4.1 DM 1A : of 30




(KES) AMOUNT

(KES)




ISOLATION VALVES 75 4

Flanged Adaptor;J351 PN 10 DN 75 Flanged Adaptor nr 4

Flanged spigotsJ381 PN 10 DN 75 Flanged Spigot L = 1 m nr 8

Couplings, wide range type;J391 PN 10 DN 75 Coupling nr 8


Washouts; with integral isolating valve; fittings and outfall structure as per the standard drawing provided


K ; PIPEWORK – MANHOLES AND PIPEWORK ANCILLARIESK2 ; CHAMBERS

K231

Provide all materials and construct valve chambers of internal dimensions as shown on the standard drawings and the fitting schedule for the specific nodes . Include for supply and fixing of precast concrete cover and step irons, etc as detailed in drawings. Depth n.e. 1.5m

nr 2



K6 CROSSINGS

Include for all works associated with the crossing As specified

K7 REINSTATEMENTSBreaking up, temporary and permanent reinstatement of roads. (Provisional)








(KES) AMOUNT

(KES)




K8 OTHER PIPEWORK ANCILLARIES

K820.1 Marker posts (Pipeline) nr 15

K820.3 Marker posts (Washout Valve) nr 3

K900Marker tape / strip for pipeline location, pigmented low density polyethylene and aluminium foil in a bright colour continously labelled "DANGER PIPE" in English

m 2300

L SUPPORTS AND PROTECTION ANCILLARIES TO LAYING AND EXCAVATION

L32 BEDS

L321 Selected excavated granular material as per specifications. Beds 100mm thick, pipeline nominal bore 160mm

m 10




TOTAL CARRIED FORWARD TO SUMMARY SHEET FOR DISTRIBUTION LINES





(KES) AMOUNT

(KES)







ha 0.20



PVC PRESSURE PIPES KS 150 PN 10 With ISO Certification

Bends and fittings to be PN 12

Rates to include for Supply of pipes and associated appurtenances, transport to site, excavate for, lay,joint, test and backfill. The pipes and fittings are to be laid in accordance with Drawings provided and to the engineers instructions

I511 OD 50 in trenches with depth range not exceeding 1.5 m 333I512 OD 50 in trenches with depth range between 1.5-2.0 m 167


J63 PVC BENDS








BILL No. 4.1 - DISTRIBUTION NETWORK - DISTRIBUTION LINE KP DM 1B

March 2019 Bill No 4.1 DM 1B : of 30




(KES) AMOUNT

(KES)




ISOLATION VALVE 50 2








K231


nr 2



K6 CROSSINGSInclude for all works associated with the crossing As specified









(KES) AMOUNT

(KES)








m 500


L32 BEDS

L321Selected excavated granular material as per specifications. Beds 100mm thick, pipeline nominal bore 160mm m 10









(KES) AMOUNT

(KES)

A2 ; TESTING OF THE WORKSTesting, Disinfection & Flushing of Pipelines and Fittings. Pressure Testing exc.12 bar but not exc.25 bar,

A260 Testing and Commissioning of pipes as specified.Pipe Size OD - 75mm m 1,000

A290 Flushing and disinfectionof the Pipes as specified. Pipe Size DN - 75mm m 1,000



ha 0.4

D2 ; TREESD210 Removal of trees, Girth : 500mm - 2m nr 10 D310 Removal of tree stumps, diameter less than 1m nr 10



Bends and fittings to be PN 12Rates to include for Supply of pipes and associated appurtenances, transport to site, excavate for, lay,joint, test and backfill. The pipes and fittings are to be laid in accordance with Drawings provided and to the engineers instructions

I711 OD 75 in trenches with depth range not exceeding 1.5 m 667 I712 OD 75 in trenches with depth range between 1.5-2.0 m 333


J63 PVC BENDS


ISOLATION VALVE 75 2 Flanged Adaptor;

J351 PN 10 DN 75 Flanged Adaptor nr 2







BILL No. 4.2 - DISTRIBUTION NETWORK -KP DM 2A





(KES) AMOUNT

(KES)



BILL No. 4.2 - DISTRIBUTION NETWORK -KP DM 2A


K231


nr 2




m 1,000



L71 Volume:- not exceeding 0.1 m³

L713 To pipes not exceeding 300mm nr 2







(KES) AMOUNT

(KES)







ha 0.24






I711 OD 63 in trenches with depth range not exceeding 1.5 m 400.00

I712 OD 63 in trenches with depth range between 1.5-2.0 m 200.00


J63 PVC BENDSBends double flanged long radius;45º

J611 Nominal Bore: 63 nr 6TOTAL CARRIED FORWARD TO NEXT PAGE



BILL No. 4.2 - DISTRIBUTION NETWORK - KP DM 2B




ISOLATION VALVE 63 2








K231


nr 2







m 600










(KES) AMOUNT

(KES)

A2 ; TESTING OF THE WORKSTesting, Disinfection & Flushing of Pipelines and Fittings. Pressure Testing exc.12 bar but not exc.25 bar,

A260 Testing and Commissioning of pipes as specified.Pipe Size OD - 50mmSDR 17 PN 10 Bar m 873

A290 Flushing and disinfection of the Pipes as specified. Pipe Size OD - 50mmSDR 17 PN 10 Bar m 873


D100 Clear site along the pipeline for all rubbish, vegetation, bushes and grasses and artificial articles above the original ground surface.

ha 0.35

D2 ; TREESD210 Removal of trees, Girth : 500mm - 1m nr 10.0D310 Removal of tree stumps, diameter more than 1m nr 10.0





I722 OD 50 in trenches with depth range not exceeding 1.5 m 611

I723 OD 50 in trenches with depth range between 1.5-2.0 m 175I724 OD 50 in trenches with depth range between 2.0-2.5 m 87


J63 HDPE BENDS




KERICHO COUNTY STRATEGIC INTERVENTION PROJECT 2018/2019KIPTUNOI DISTRIBUTION NETWORK

BILL No. 4.3 - DISTRIBUTION NETWORK - KP DM 3

March 2019 Bill No 4.3 DM 3 : of 30





ISOLATION VALVE 3


SpigotJ383 PN 10 DN 50 Flanged Spigot L = 1 m nr 6



Air Valves: triple action, anti surge, anti shock, c/w separate female threaded stop cock/isolatorand isolating valve, PN 10 and all associated fittings as shown in the drawings



Flanged spigotsJ383 PN 10 DN 50 Flanged Spigot (L = 1m) nr 4

Flanged Tee;J333 PN 10 DN 50/50 Flanged Reducing Tee nr 2

Reducing Flange;J391 PN 10 DN 50 Reducing Flange nr 2






Flanged AdapterJ351 PN 10 DN 50 Flanged Adapter nr 2


Wash outs; with integral isolating valve; fittings and outfall structure as per the standard drawing As specified in the drawing


K ; PIPEWORK – MANHOLES AND PIPEWORK ANCILLARIES

K2 ; CHAMBERS

K231


nr 2



AIR VALVE CHAMBERAs specified in the drawing


K6 CROSSINGS

Include for all works associated with the crossing As specified

River crossingK612 Pipe bore: not exceeding 300 mm (Provisional) m 10











K820.4 Marker posts (Air Valve) nr 1


m 873


L32 BEDS

L321Selected excavated granular material as per specifications. Beds 100mm thick, pipeline nominal bore 160mm m 15









(KES) AMOUNT

(KES)


Testing, Disinfection & Flushing of Pipelines and Fittings associated with the tank and the tank itself. Pressure Testing exc.12 bar but not exc.25 bar. Testing to include for water tightness as specified in the specifications

A260.1Testing and Commissioning of the installed tank as specified (100m3) nr 1.00

A260.2 Testing and Commissioning of pipes as specified. m 200.00

E3 ; EXCAVAIONS FOR FOUNDATIONS

Excavate below stripped surface to formation level in common material. Retain approved material for back-filling / filling and cart away unsuitable material to tip as directed by Engineer

E311 Excavation of topsoil depth not exceeding 0.25m m3 9

E322 Excavation of material other than top soil rock or artificial hard material depth 0.25 - 0.5m m3 9

E323 Excavation for material other than topsoil rock or any other artificial hard material; maximum depth 0.5 - 1.0 m m3 4

E33 Excavation of foundation in rock m3 10

E5 ; Disposal of Excavation MaterialE512 Trimming of excavated surfaces; material other than topsoil, rock

or artificial hard material m2 13.0

E524 Preparation of excavated surfaces to receive fill and permanentworks; materials other than topsoil or rock m2 13.0

E525 Preparation of excavated surfaces to receive fill and permanentworks; in rock m2 13.0

E531 Disposal of excavated topsoil m3 9.35

E532 Disposal of excavated material other than top soil rock or artificial hard material m3 13.09

E532 Disposal of excavated rock m3 10.00


TRANSMISSION NETWORK

BILL No. 5 - 100 m3 GROUND MASONRY TANK


March 2019 Bill No 5 100 m3 Tank : of 30



E6 ; FILLING

E632 THICK RED SOIL COMPACTED TO 98% MDD in layers not exceeding 200mm as shown by RE m3 14.96

E635 Provide and fill with imported 300mm gravel compacted to 98% MDD in layers not exceeding 150mm m3 5.61

E637

Provide and fill hard core with hard basaltic or equivalent stone, well compacted and blinded with crushed stone to a finished thickness of 250mm under the reservoir and valve chamber to stated depth or thickness

m3 13.09

F ; INSITU CONCRETE

Provision of Concrete

F253 Designed mix; Grade C35A; Cement to BS12 and 20mm maximum aggregate size m3 16.32

F400 Prescribed mix; Grade C15P; 20 mm aggregate; Cement to BS12 m3 3.00

Placing of Concrete

Place, compact and cure concrete in the following elements of the structure as per details on Drawings

Mass Concrete; Class 15/20F6 ; Mass concrete

F611 75mm thick lean concrete blinding with mix ratio (1:3:6) under the reservoir base slab, foundation and valve chamber m3 3.00

F7 ; Reinforced Concrete class 30F723 Floor slab, bases and foundation footings m3 7.48 F732 Suspended slabs (Top roof) thickness 200 - 250 mm m3 6.84 F785 For overflow chamber complete with the base opening m3 2.00

G ; CONCRETE ANCILLARIESG2 ; Fair Finish Formwork

G215 Plane vertical sides for both external and internal walls m2 91.60

G5 ; Reinforcement; deformed high yield steel bars to BS 4449, HT = 425 N/mm2

G529 Nominal size 8,10,12,16,25 mm Ton 1.63

G562 Steel fabric BS4483 ; A252 square mesh; nominal mass 3 - 4kg/m2 LS






G6 ; JointsG611 Open surface plain;average width n.e. 0.5 m m 4.00 G621 Open surface with filler; average width n.e.0.5 m m 4.00 G652 Plastic water stops average width 150mm - 200 mm m 4.00

G654 Plastic or rubber water stop in floor/wall base joints; Average width 350mm m 4.00

G670 Sealant 20 x 20 mm rebate with plysulphide joint sealant m 8.00

Inserts; Excluding supply of the fittingsG832.1 Inlet, outlet, overflow and washout pipe inserts into concrete Nr 4.00 G832.2 Roof vents inserts in concrete Nr 4.00 G832.3 Roof drain inserts in concrete Nr 4.00 G831.1 Perforated Roof drain pipe inserts in concrete m 22.00

SITE WORKS PIPEWORK – FITTINGS AND VALVES

1999

Supply of pipes and fittings to be used for he connection of the tank, inlet , outlet, overflow and scour as shown in the drawings. Rate to include for laying jointing and any other fittingd used for connection

LS

PIPE WORK - MANHOLES AND PIPEWORK ANCILLARIES.

K233.1Reservoir Scour/Overflow chamber without roof cover slab as detailed; 200mm thick walls, depth 1.0 - 2.0m, 4m2 plan area

No. 1.00

K234.1Reservoir Inlet Valve Chamber as detailed; 200mm thick walls, depth 1.0 - 2.0m, 6m2 plan area

No. 1.00

K234.2Reservoir Outlet Valves Chamber detailed; 200mm thick walls, depth 1.0 - 2.0m, 10m2 plan area

No. 1.00

Miscellaneous MetalworkRate to include supply, delivery, fixing and inclusive of foundation where applicable

N130.1 Stainless Steel internal access ladder with safety loops, stringers and landing rail m 4.00

N130.2 Galvanised Mild Steel external access ladder with landing rails and stringers m 4.00

N190Provide and fix 6 mm sheet metal access cover with 40x40 angle iron frame with latch and safety lock for valve chamber and reservoir

No 1.00

N190 Galvanized mild steel air vents as shown on the drawings. m 4.00

CLASS U: BRICKWORK, BLOCKWORK AND MASONARY

U721 200mm thick ashlar masonry vertical straight walls; thickness 150 - 250 mm. To include mortar and fixing reinforcement at the joints m2 82.95

CLASS V: PAINTING

V653 Two coats of cement paint on rendered external walls. m2 82.95







(KES) AMOUNT

(KES)

NOTE: THE WHOLE OF THIS BILL IS PROVISIONAL

A411 LabourPreliminary and General Items relating to Contractor's establishment,provision and maintenance of key staff and equipment are subject tothe conditions stipulated in of trade, Contractors overheads and profit.Only time engaged upon work instructed by the Engineer under this Billwill be paid for.The rates inserted herein should include for all costs such as insurance,travelling time, overtime, accommodation, use and maintenance ofsmall tools of trade, supervision, overheads and profit. Only timeengaged upon work will be paid for:

A411.1 Unskilled labour hr 500A411.2 Foreman hr 200A411.3 Driver hr 250A411.4 Mason hr 300A411.5 Carpenter hr 100A411.6 Plumber hr 100A411.7 Electrician hr 50A411.8 Plant Operator hr 50A411.9 Supervisor hr 150

A411.10 Pipelayer hr 250A411.11 Painter hr 50A411.12 Concretor hr 300A411.13 Technician hr 150A411.14 Watchman hr 150

A412 Percentage adjustment to Provisional Sum for Daywork Labour %

A413 Materials

Materials shall comply with the relevant Technical Specifications andshall be subject to the approval of the Resident Engineer. The rate toinclude for delivery, storage, handling, Contractor's overheads, etc.

A413.1 Building sand ton 100A413.2 Ordinary portland cement in 50 kg bags No. 100A413.3 Fine aggregate ton 100A413.4 Coarse aggregate ton 100A413.5 Dressed stone 150 mm m2 50A413.6 200mm Blockwork m2 50A413.7 Reinforcement fabric mesh. m2 100A413.8 Reinforcement steel ton 0.5A413.9 Concrete Class 25 m3 5

A413.10 Imported Fill m3 50A413.11 Hardcore m3 50A413.12 Shuttering timber m2 50

KERICHO COUNTY STRATEGIC INTERVENTION PROJECTS 2018/2019 FY

KIPTUNOI WATER SUPPLY PROJECTDAYWORKS


March 2019 BILL NO 6 DAY WORKS : of 30




(KES) AMOUNT

(KES)

A413.13 Petrol L 1000A413.14 Diesel L 1500A413.15 Lubricants L 300A413.16 Chlorinated Paint L 50A413.17 Emulsion Paint L 50A413.18 Gloss Paint L 50

A414 Percentage adjustment to Provisional Sum for Daywork Materials %

A415 PlantRates to include for all operation and maintenance of plant, cost of fueling and lubrication, etc.

A415.1 Excavator hr 25A415.2 Grader Tractor hr 25A415.3 Mobile generator 15 kVA hr 50A415.4 4 WD Pickup 1 tonne hr 50A415.5 Concrete mixer type 5/3.5 hr 50A415.6 Concrete dumper 0.5 cu.m. hr 50A415.7 Concrete vibrator poker type N.D. 50 mm hr 50A415.8 Dewatering pump 50mm dia suction end hr 150A415.9 Jack Hammer 25kg hr 100

A415.10 Mobile Crane 5 tonnes hr 50A415.11 Air Compressor (5,000 l/min) hr 50A415.12 Tipper Truck 7 tonne hr 50

A415.13 Oxy-acetylene cutting and welding set including oxygen and acetylene gases. hr 100

A415.14 Electrical welding set including electrodes hr 50A415.15 Pressure Testing Equipment (including diesel engine for pump) hr 50

A416 Percentage adjustment to Provisional Sum for Daywork Plant %



March 2019 BILL NO 6 DAY WORKS : of 30

strategic intervention projects - 2018/2019 kiptunoi … water... · the republic of kenya kericho...

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