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GUYANA POWER AND LIGHT INC PROJECT MANAGEMENT DEPARTMENT

PROCUREMENT OF WORKS

ITB #GPL-PI-021-2017-06

APPENDIX B – Bill of Quantities

PROJECTS DEPARTMENT 257-259 MIDDLE STREET SOUTH CUMMINGSBURG GEORGETOWN GUYANA TEL: 592- 623-8156

Fax: 592 227-1139

OCTOBER, 2017

BARTICA 3.3 MW POWER PLANT BILL OF QUANTITIES 1

ITEM # Description Qty Unit Rate $ Amount $

1 General Items

A Power House Structure Summary

2 Substructure SUM

3 Frame SUM

4 Floors SUM

5 Staircase and Landings SUM

6 Roof SUM

7 Walls SUM

8 Ceiling SUM

9 Plumbing and Sanitary Fittings SUM

10 Joinery Fittings and Fixtures SUM

11 Cable Trenches SUM

B Workshop Structure Summary

13 Substructure SUM

14 Frame SUM

15 Roof SUM

16 Walls SUM

17 Plumbing SUM

18 Tank Farm and Bund Wall SUM

19 Water Tank Foundation SUM

20 Culvert SUM

Carried forward

POWER PLANT SUMMARY

BOQ GPL-PI-021-2017- Civil Works-R1.xlsx



Brought forward -$

C Electricals

12 Internal and External Lighting and Fixtures SUM

21 Station Grid and Fence Grounding SUM

22 Lighting Protection SUM

23 Power Cables SUM

20 General Attendance SUM

24 Access Road SUM

25 Retaining Wall SUM

D Mechanical

26 Firefighting SUM

27 Air Conditioning SUM

28 Internal Roads SUM

29 Site Works and Drains SUM

30 Oily Water Separator SUM

E RIVER APPROACH

31 Section 1 SUM

32 Section 2 SUM

33 Section 3 SUM

34 Section 4 SUM

35 Earthworks SUM

36 Reinforced Concrete SUM

Provisional Sum SUM

Total Plant Cost




1 General Items

1.1 CONTRACTUAL REQUIREMENTS

1.1.1 Performance bond SUM

1.1.2 Insurance of Works SUM

1.1.3 Insurance against damage to persons and property SUM

1.1.4 Advanced Payment Bond SUM

1.2 SPECIFIED REQUIREMENTS

1.2.1 Material Testing

1.2.1.1 Concrete and Other Tests as specified SUM

1.3 TEMPORARY WORKS

1.3.1 Access Scaffolding SUM

1.3.2 Support Scaffolding and Propping SUM

1.3.3 Temporary Fence SUM

1.4 METHOD RELATED CHARGES

1.4.1 Accomodation and Buildings

1.4.1.1 Contractor Office Facility SUM

1.4.1.2 Stores SUM

1.4.1.3 Canteen SUM

1.4.1.4 Toilets SUM

1.4.1.5 GPL Office Facility SUM

Carried Forward

Brought Forward

GENERAL ITEMS




1.5 SERVICES

1.5.1 Electricity SUM

1.5.2 Water SUM

1.5.3 Security SUM

1.5.4 Site Transport SUM

1.5.5 Personnel Transport SUM

1.5.6 NIS SUM

1.5.7 PAYE SUM

1.6 PLANT MOBILIZATION AND DEMOBILIZATION

Allow for mobilization and demobilization of equipment necessary

for the safe and as per schedule execution of the works.

1.6.1 Excavators SUM

1.6.2 Cranes SUM

1.6.4 Concrete Mixers SUM

1.6.5 Concrete Transport SUM

1.6.6 Front end loaders SUM

1.6.7 Jack hammer & Compressors SUM

1.6.8 Dump Trucks SUM

1.6.9 Pile Hammer SUM

1.6.9 Road Rollers SUM

Carried Forward

Brought Forward

1.7.1 Supervision SUM




1.7.2 Administration SUM

1.7.3 Site Surveying and Setting Out SUM

1.8 SAFETY EQUIPMENT AND MATERIALS

1.8.1 Allowance to be made for the supply of job-related

safety equipment as specified in the Guyoil Safety Manual

and Specifications or any equipment the Engineeer

deems necessary to ensure the safe completion of

project. Inlcude for Barricades and Site Demarcation

This sum shall not include equipment already owned by

the contractor SUM

1.10 ADJUSTMENT ITEM

The contractor shall set out below and fully describe in the

space provided overleaf (inserting the relevant clause Number

and reference) and price any work or obligation or anything in

the Contract or Specifications not included for in the tender rates

or elsewhere for which he considers a separate charge is required.

The Sums in this item shall be considered fixed lump sums, and

as such will not be subject to adjustment. If the contractor does not

make allowance in the space provided below than the rates

inserted elsewhere shall be deemed to cover all of the obligations

under the contract.

1.10.1

SUM

1.10.2

SUM

1.10.3

SUM

Carried Forward -$

Brought Forward -$

1.10.4

SUM




1.10.5

SUM

1.10.6 SUM

1.10.7 SUM

1.10.8 Provisional Sum SUM

General Items to Main Summary




Engine House

2.0 SUBSTRUCTURE

2.1 Excavation and Earthwork

2.1.1 Remove existing topsoil average 150mm thick 657 m2

2.1.2 Clay and silty clay 1m -1.5m depth 199 m3

2.1.3 Backfill with white sand and compact 66 m3

2.2. Disposal

2.2.1. Dispose of excavated material off site 299 m3

2.3 Surface treatment

2.3.1 Level and ram bottom of excavation to receive sandfill 163 m2

2.3.2 Sandfill to make up levels average 150mm thick 163 m2

2.4 Disposal of water

2.4.1 Keep excavation free from general water Sum

2.5 Sandfill

2.5.1 Clean white sand ,well watered and compacted in 150mm layers 222 m3

2.6 Termite treatment

2.6.1 Treat bottom and sides of excavation against subterranean

termites and obtain a five year guarantee for this protection 626 m2

2.6.2 Ditto to top of sandfill ditto 485 m2

2.7 Damp proof membrane

2.7.1 Damp proof membrane 500 gauge polythene

sheets with 305mm side and end laps ; laps

doubled ( measured net : no allowance for laps ) 485 m2

Carried forward

Brought forward

ENGINE HOUSE




2.8 Lean concrete : Blinding

2.8.1 50 mm thick cement and sand ( 1: 6 ) 163 m2

2.9 Insitu Concrete

2.9.1 Provision of concrete, designed mix

2.9.1.1 C30/37 (4375 PSI), Cement to BS12, 20 mm- coarse aggregate 189 m3

2.9.2 Placing of concrete,

2.9.2.1 reinforced footings thickness 150mm- 450mm 51 m3

2.9.2.2 reinforced walls thickness 150mm- 450mm 53 m3

2.9.2.4 reinforced concrete pedestals cross sectional area 0.2 -0.5 m2

11 m3

2.9.2.5 reinforced slabs, thickness not exceeding 150mm 74 m3

2.10 Concrete Ancillaries

2.10.1 Formwork: rough finish, beams ,pile caps , walls ,pedestals

2.10.1.1 Vertical: width 225mm 379 m

2.10.1.2 Vertical: width 300mm –1200mm 563 m2

2.10.1.3 Horizontal : width 300mm –1200mm 23 m2

2.11 Reinforcement (measured provisionally )

2.11 1. Deformed bars to BS 4449.Yield strength 460 N/mm2 (66,000 psi )

2.11.1.1 20 mm 2,660 kg

2.11.1.2 16 mm 3,111 kg

2.11.1.3 10 mm 2,936 kg

2.11.1.4 BRC No. 65 Fabric with 305mm side laps ( measured net : no 485 m2

allowance made for laps)

Substructure to Power House Summary

3.0 Frame

3.1 Insitu Concrete







3.1.2.1 reinforced beam crossectional area 0.2 -0.5 m2

11 m3

3.1.2.3 reinforced sills, ledges and the like 5 m3

3.1.3 Concrete Ancillaries

3.1.3.1 Formwork: wrought finish, beams , walls ,slabs

3.1.3.1.1 Vertical: width 300mm –1200mm 37 m2

3.1.3.1.2 Vertical: width 150 mm 48 m

3.1.3.1.3 Horizontal: width 300mm –1200mm 18 m2

3.1.3.2 Reinforcement (measured provisionally )

3.1.3.2.1 Deformed high yield steel bars to BS 4449.

Yield strength 460 N/mm2 (66,000 psi )

3.1.3.2.1.1 20 mm 1,657 kg

3.1.3.2.1.3 10 mm 955 kg

Carried forward

Brought forward

3.2 Structural Steelwork to ASTM A992 complete with all

necessary connector plates , haunches, bolts, one coat

red oxide primer and two coats enamel paint , colour to be




approved by employer and inclusive of all installation

3.2.1 Anchor bolt set consisting of 4 separate 25 mm diameter

anchor bolts to ASTM A449 Type 3 , 685 mm long 12 m

3.2.2 Wide Flange Beam W 16 x 31 as main girders 22 m

3.2.3 Wide Flange Beam W 16 x 36 as crane rail beams 41 m

3.2.4 Wide Flange Beam W 16 x 31 as crane rail brackets 13 m

3.2.5 Wide Flange Beam W 10 x 26 as main girders 27 m

3.2.6 Wide Flange Beam W 10 x 22 as rafters 197 m

3.2.7 Wide Flange Beam W10 x 22 as floor joists 138 m

3.2.8 Wide Flange Beam W10 x 17 as floor joists 51 m

3.2.9 Wide Flange Beam W10 x 15 as tie beams 139 m

3.2.10 Wide Flange Beam W8 x 18 as columns 53 m


3.2.12 Wide Flange Beam W8 x 15 as vent rafters 65 m


3.2.14 203 mm Galvanized Zed Purlins 660 m

3.2.1.4 25mm diameter steel rods as diagonal wind bracing 355 m

Frame to Power House Summary

4.0 Floors

4.1 Insitu Concrete





4.1.1.1 C30/37 (4375 PSI), Cement to BS12, 20mm- coarse aggregate 26 m3


4.1.2.1 reinforced slab average thickness 100 mm 26 m3


4.2.1 Formwork: 22 ga galvanised profiled metal deck left in place

4.2.1.1 Horizontal: width 300 mm –1200 mm 258 m2


4.3.1 Deformed high yield steel bars to BS 4449.


4.3.1.1 10 mm 545 kg

4.3.1.2 BRC No. 65 Fabric with 305 mm side laps ( measured net : no

allowance made for laps ) 258 m2

4.4 Floor tiles

4.4.1 25mm thick cement /sand mortar screed to concrete floor 258 m2

4.4.2 610 mm x 610 mm non slip porcelain tiles 20 mm thick in

approved colours in thinset and pointing in white or

coloured cement grout 163 m2

4.5 Epoxy paint finish to concrete floor

4.5.1 Self priming,self sealing trowel applied,aggregate-rich

polyurethane and aggregate- cement based matrix coat 6

mm thick - Florocrete HD or equivalent 485 m2

Floor to Power House Summary

5.0 Staircases and Landings








5.1.1 Channel Section C 8 x 13.7 as stringer 68 m

5.1.2 Angle Section 51 x 51 x 6mm as treader bracket 37 m

5.1.3 Wide Flange Beam W 8 x 15 as landing bracket bolted to

reinforced concrete wall complete with 12mm steel face plate

and 20 No. 20mm diameter anchor bolts 152mm long for fixing 5 m

5.1.4 10mm thick steel chequered plate cut and bent and welded to

treader bracket as treaders 21 m2

5.1.5 10mm thick steel chequered plate cut and bent and welded to

treader bracket as landings 10 m2

5.2 Miscellaneous Metal Work

5.2.1 Galvanized iron pipe handrail 1 m high from 50mm Ø galv. pipe

with top and middle rail and intermediate supports at 1.5m c/c

complete with 150mm x 150mm x10m base plate.and 10 mm

Ø bolts 100mm long including one coat etching primer , one

coat zinc cromate primer and two coats metal paint 69 m

Staircases and Landings to Power Plant Summary

6.0 Roof

6.1 Roof Covering

6.1.1 26 gauge pre-painted galvalum roof sheets with 2




corrugation side laps and 305 mm end laps fixed to purlins

with drive screws and neoprene washers ( measured net

: no allowance for laps ) and with adhesive sealing strip 737 m2

6.1.2 26 gauge pre-painted plain ridge flashing 610 mm girth

once bent and dressed over roof sheets including

fixing with drive screws and neoprene washers 38 m

6.2 Rainwater Goods

6.2.1 150mm x150mm pvc box gutter fixed to steel fascia with PVC 71 m

brackets

6.2.2 100 mm diameter non pressure pvc down pipe fixed to concrete

columns with metal brackets including 12 no. 90 deg bends 30 m

6.3 Roof Insulation

6.3.1 1 layer Prodex AD 10 Thermal Insulation or equivalent

below roof sheets 737 m2

Roof to Power Plant Summary

7.0 Walls

7.1 External

7.1.1 Blockwork




7.1.1.1 150 mm thick hollow concrete block in cement/sand mortar ( 1:4) 720 m2

7.1.1.2 Plaster 50mm thick cement /sand ( 1:4) 1440 m2

7.1.1.3 Expanded metal ex 250 mm wide set in concrete columns

every 5th blockwork course as wall tie 206 m

7.1.2 Doors

7.1.2.1 Single hung hardwood panel door 915 mm x 2134 mm x 63 mm

complete with 50mm x 150mm GH frame , 3 no. metal hinges ,

and mortice lock , Yale or equivalent 4 nr

7.1.2.2 Galvanised steel roller shutter doors 3658 mm wide x 2438 mm

high complete with metal frame, electrical mechanism for

opening and closing and locking device 2 nr

7.1.3 Windows

7.1.3.1 Sliding window 1067 mm wide x 1524 mm high , clear glass

6mm thick in anodised aluminum frame all set in block wall 7 nr

7.1.3.1 Sliding window 915 wide x 610 high , clear glass 6 mm thick

in anodised aluminum frame all set in block wall 6 nr

7.1.3.2 Steel louver window 915 mm wide by 457 mm high fixed to

hollow concrete block wall comprising 6 No 125 mm x 1.5 mm

flat section set at 45 deg louver blades fixed in a 100 x 100 x 3

mm RHS frame , and complete with all necessary brackets ,bolts,

welds , anchors and seals and including one coat etching

primer ,one coat zinc cromate and three coats metal paint 61 nr

Carried Forward

Brought Forward

7.1.4 Painting

7.1.4.1 1 coat primer to timber doors including door frames 8 m2




7.1.4.2 2 coats oil based paint to timber doors including door frames 8 m2

7.1.4.3 3 coats emulsion paint to block walls 720 m2

7.1.4.4 1 coat textured paint, Spread Tex or equivalent 720 m2

7.2 Internal

7.2.1 Blockwork

7.2.1.1 102 mm thick hollow concrete block in cement / sand mortar 392 m2


7.2.3 Doors

7.2.3.1 Single hung hardwood flush door 915 mm x 2134 mm x 63 mm

with 25 mm x 100 mm hardwood lock rail clad with 6 mm

plywood both faces and finished both faces with furniture quality

sheet laminate by WILSONART or equivalent and bound on all

edges w hardwood strip complete with 50mm x 150mm GH

frame , 3 no. metal hinges , and mortice lock , Yale or equivalent 12 nr

7.2.3.2 Single hung hardwood flush door 762 mm x 2134 mm x 63 mm

with 25 mm x 100 mm hardwood lock rail clad with 6 mm

plywood both faces and finished both faces with furniture quality

sheet laminate by WILSONART or equivalent and bound on all

edges w hardwood strip complete with 50mm x 150mm GH

frame , 3 no. metal hinges , and mortice lock , Yale or equivalent 6 nr

7.2.4 Windows

7.1.4.1 Sliding window 1067 mm wide x 1524 mm high , clear glass

6mm thick in anodised aluminum frame all set in block wall 8 nr

Carried Forward

Brought Forward

7.2.5 Concrete work

7.2.5.1 Precast C30/37 reinforced concrete lintels 102 mm x 203 mm

x 1372 mm long with 2 no. 12 mm dia bars top and bottom and




6 mm dia stirrups at 100 mm centers including all necessary

formwork and bedding lintel on blockwork 101 nr





7.2.6 Painting


7.2.7 Wall tiles

7.2.7.1 305 mm x 305 mm ceramic tiles in thinset and pointing in white

or coloured cement 79 m2

7.2.7.3 610 x 100 mm skirting cut from 610 mm x 610 mm x 20 mm

porcelain tiles in thinset and pointing in white or coloured cement 105 m

7.2.8 Fire Extinguishers

7.2.8.1 Supply and install 5 kg dry chemical fire extingisher complete

with wall mount 4 Nr

Walls to Power House Summary

8.0 Ceilings

8.1 Acoustic ceiling tile in lightweight C-section galvanised

metal frame on a 610mm x 610 mm grid suspended from

floor and roof above with8 mm diameter steel hanger rods .




8.1.1 10 mm thick acoustic ceiling tile 610 mm x 610 mm

complete with metal framing and hanger rods 200 m2

8.2 Gypsum wall board single panelled as ceiling bulkhead on

50 mm x 100 mm light weight metal framing including

taping and slicking of joints

8.2.1 16 mm thick gypsum board complete with metal framing

and hanger rods 5 m2

8.3 Hardwood moulding screwed to block wall

wall

8.3.1 76 mm wide 214 m

8.4 Painting

8.4.1 1 coat primer to timber moulding 33 m2

8.4.2 2 coats oil based paint to timber moulding 17 m2

8.4.3 3 coats emulsion paint to ceiling bulkhead 5 m2

Ceilings to Power House Summary

9.0 Plumbing and Sanitary Fittings

9.1 Water Closets

9.1.1 White Vitreous china WC suite Type BTW by Twyfords or

similar comprising P trap ,wash down action rimless bowl ,siphon




jets , WC bowl back inlet , 9 litre capacity cistern and cover

with flush valve , side inlet ball valve , 20 mm diameter side

overflow , solid plastic seat and cover with stainless steel hinges

and plastic outlet connector for 100 mm soil pipe including fixing 4 nr

9.1.2 White vitreous chinal urinal by Twyfords or similar

comprising p trap, wash down action and siphon jets

inclusive of all necessary pipes, valves, bends and connections 2 nr

9.2 Lavatory Basins

9.2.1 Sandringham 50 cm by Armitage Shanks or similar ,

white vitreous china , with one tap hole , wall mounted

complete with chrome plated pillar mixer lever type tap for

hot/ cold water supply , 37 mm waste outlet fittings ,trap ,

chain stay and plug including fixing and inclusive of all

necessary pipes , valves ,bends and connections 4 nr

9.3.2 Single bowl , double drainboard stainless steel sink

complete with chrome plated pillar tap for cold water

supply 37 mm waste outlet fittings ,trap ,chain stay and

plug including fixing to counter and inclusive of all


9.3 Toilet Roll Holders

9.3.1 Toilet roll holder, screw fix to all, chrome plated 6 nr

9.4 Sanitary Installation

9.4.1 PVC non pressure Pipe and fittings with cement solvent

joints

9.4.1.1 Soil Pipe 100 mm diameter 55 m

9.4.1.2 Vent pipe 100 mm diameter 12 m

9.4.1.3 Waste Pipe 51 mm diameter 45 m

Carried Forward

Brought Forward

9.4.2 Extra over for 100mm diameter pvc soil pipe :

9.4.2.1 Single branch 8 nr




9.4.2.2 Single branch with rodding eye 8 nr

9.4.2.3 WC pan connector 8 nr

9.4.2.4 Bend 18 nr

9.4.2.5 Vent cowl 4 nr

9.4.3 Extra over for 51 mm diameter pvc waste pipe :

9.4.3.1 S trap 51 mm diameter with screwed cleaning eye 8 nr

9.4.3.2 P trap 51 mm diameter 8 nr

9.4.3.3 Bend 51 mm diameter 24 nr

9.5 Cold Water Installation

9.5.1 PVC pressure Pipe and fittings with cement solvent joints

9.5.1.1 Pipe 20 mm diameter 37 m


9.5.2 Extra over for 20 mm diameter pvc pressure pipe :

9.5.2.1 Bends 18 nr

9.5.2.2 Tees 18 nr

9.5.2.3 20 mm diameter high pressure screw down brass stop cock 8 nr

9.5.2.4 20 mm diameter bib cock 8 nr

9.5.2.5 Straight reducer 20 mm to 12 mm 8 nr

Carried Forward

Brought Forward

9.5.2.5 Straight tap connector with screwed joint to tubing 8 nr

9.5.3 Extra over for 12 mm diameter pvc pressure pipe:

9.5.3.1 Bends 8 nr




9.5.3.2 Tees 8 nr



9.5.3.5 Connection of 12 mm diameter pvc pipe to WC cistern including

all necessary fittings 4 nr

9.6 Miscellaneous Fittings and Fixtures

9.6.1 2700 litre plastic water tank 4 Nr

9.7 Sewage Treatment

9.7.1 Excavation and Earthworks

9.7.1.1 Excavation for foundations

9.7.1.2 Clay and silty clay 1m -1.5m depth 17 m3

9.7.1.3 Planking and strutting of sides of excavation not

exceeding 1.5 m deep 33 m2

9.7.2 Disposal

9.7.2.1 Dispose of excavated material off site 17 m3

9.7.3 Surface Treatment

9.7.3.1 Level and ram botton of excavation to receive sandfill 10 m2

9.7.3.2 Sandfill to make levels average 150 mm thick 10 m2

Carried Forward

Brought Forward

9.7.4 Disposal of Water

9.7.4.1 Keep excavation free from general water SUM

9.7.5 Backfill




9.7.5.1 Clean white sand, well watered and compacted in 150 mm layers 3 m3

9.7.6 Lean concrete : Blinding

9.7.6.1 51 mm thick cement and sand ( 1: 6 ) 20 m2

9.7.7 Insitu Concrete*

9.7.7.1 Provision of concrete, designed mix

9.7.7.1.1 C30/37 (4375 PSI), Cement to BS12, 3/4- coarse aggregate 3 m3

9.7.7.2 Placing of concrete

9.7.7.2.1 reinforced slabs, thickness not exceeding 150 mm 3 m3


9.7.8.1 Formwork: rough finish, beams ,pile caps , walls ,pedestals



9.7.8.2.1 BRC No. 65 Fabric with 305 mm side laps (measured net: no 20 m2

allownace made for laps)

9.7.9 Septic Tank

9.7.9.1 Supply and install septic tank Roboplastic as

manufactured by Roto Plastic Trinidad Ltd.

Inclusive of sealed cover holding

9.7.9.1.1 2275 litres 1 nr

Carried Forward

Brought Forward

9.7.10 Soakaway

9.7.10.1 Excavation for pits





9.7.11 Geotextile Fabric

9.7.11.1 Non woven geotextile fabric Type 801 from Synthetic

Industries or equivalent with 150 mm side laps ( measured net

: no allowance made for laps) 19 m2

9.7.12 Backfill

9.7.12.1 Selected clay compacted in 6 layers 2 m3

9.7.12.2 20 mm single size aggregate 4 m3


joints

9.7.13.1 Soil Pipe 100 mm diameter with 36 No. 6 mm dia drilled holes 4 m

Plumbing & Sanitary Fittings to Power Plant Summary

10.0 Joinery Fitting and Fixtures

10.1 Floor level kitchen cabinets 915 mm high x 3350 mm wide x

610 mm deep with 4 No doors 686 mm wide by 762 mm high

and intermediate shelf and drawers all from MDF board and

37 mm thick CORIAN or equivalent counter top

complete with all door hinges , door knobs and ball catches

draw slides and handles including painting and installation 1 No




10.2 Floor level kitchen cabinets 915 mm high x 1220 mm wide x


and intermediate shelf and drawers all from MDF board and

37 mm thick CORIAN or equivalent counter top



10.3 High level kitchen cabinets 915 mm high x 1830 mm wide x




Joinery Fitting and Fixtures to Power Plant Summary

11.0 Cable Trenchs

11.1 Reinforced Concrete Cable Trench 1525 mm wide 610 mm deep

with 150 mm thick base and sides and with 76 mm x76 mm

rebate to top of drain on both sides reinforced with 51 mm x

51 mm x 6 mm angle set in concrete and including all necessary

excavation ,return fill and compaction ,formwork and No 65

BRC fabric to base and sides. 24 m

Cable Trenches to Power Plant Summary

Power Plant Summary

2.0 Substructure

3.0 Frame

4.0 Floors




5.0 Staircases and Landings

6.0 Roof

7.0 Walls

8.0 Ceiling

9.0 Plumbing and Sanitary Fittings

10.0 Joinery Fittings and Fixtures

11.0 Cable Trenches

Engine House to Power Plant Summary




Workshop

13.1 Excavation and Earthwork

13.1.1 Excavate topsoil average 150 mm thick 1,170 m2

13.1.2 Excavate foundation - Clay and silty clay 1m -1.5 m depth 58 m3


13.2. Disposal

13.2.1. Dispose of excavated material off site 236 m3



13.3.2 Sandfill to make up levels average 150 mm thick 48 m2

13.4 Disposal of water

13.4.1 Keep excavation free from general water Sum

13.5 Sandfill

13.5.1 Clean white sand ,well watered and compacted in 150 mm layers 62 m3

13.6 Termite treatment

13.6.1 Treat bottom and sides of excavation against subterranean

termites and obtain a five year guarantee for this protection 201 m2

13.6.2 Ditto to top of sandfill ditto 136 m2

13.7 Damp proof membrane

13.7.1 Damp proof membrane 500 gauge polythene

sheets with 305 mm side and end laps ; laps

doubled ( measured net : no allowance for laps ) 136 m2

Carried forward

Carried forward

Brought forward

WORKSHOP





13.8.1 51 mm thick cement and sand ( 1: 6 ) 48 m2

13.9 Insitu Concrete





13.9.2.2 reinforced walls thickness 150mm- 450mm 17 m3

13.9.2.4 reinforced concrete pedestals cross sectional area 0.2 -0.5 m2

2 m3

13.9.2.5 reinforced slabs, thickness not exceeding 150mm 27 m3


13.10.1 Formwork: rough finish, beams ,pile caps , walls ,pedestals

13.10.1.1 Vertical: width 225mm 126 m

13.10.1.2 Vertical: width 300mm –1200mm 161 m2


13.11 1. Deformed high yield steel bars to BS 4449.


13.11.1.1 20 mm 535 kg

13.11.1.2 16 mm 785 kg

13.11.1.3 10 mm 733 kg

13.11.1.4 BRC No. 65 Fabric with 305mm side laps ( measured net : no

allowance made for laps) 136 m2

Substructure to Workshop Summary

14.0 FRAME








14.1.2.1 reinforced beam crossectional area 0.2 -0.5 m2

5 m3

14.1.2.3 reinforced columns crossectional area 0.2 -0.5 m2

2 m3


14.1.3.1 Formwork: wrought finish, beams , walls ,slabs

14.1.3.1.1 Vertical: width 300 mm –1200 mm 126 m2

14.1.3.1.2 Horizontal: width 300 mm –1200 mm 16 m2


14.1.3.2.1 Deformed high yield steel bars to BS 4449.


14.1.3.2.1.1 20 mm 773 kg

14.1.3.2.1.3 10 mm 429 kg





14.2.1 Anchor bolt set consisting of 4 separate 20 mm diameter

anchor bolts to ASTM A449 Type 3 , 305 mm long 55 Nr

14.2.1.1 Wide Flange Beam W 8 x 15 as rafters 43 m

14.2.1.2 203 mm Galvanized Zed Purlins 164 m

Frame to Workshop Summary

15.0 ROOF

15.1 Roof Covering

15.1.1 26 gauge pre-painted galvalum roof sheets with 2




corrugation side laps and 305 mm end laps fixed to purlins

with drive screws and neoprene washers ( measured net

: no allowance for laps ) and with adhesive sealing strip 156 m2

15.1.2 26 gauge pre-painted plain ridge flashing 610 mm girth

once bent and dressed over roof sheets including

fixing with drive screws and neoprene washers 16 m

15.2 Rainwater Goods

15.2.1 150mm x150mm pvc box gutter fixed to steel fascia with PVC 33 m

brackets

15.2.2 100 mm diameter non pressure pvc down pipe fixed to concrete 37 m

columns with metal brackets including 12 no. 90 deg bends

15.3 Roof Insulation

15.3.1 1 layer Prodex AD 10 Thermal Insulation or equivalent

below roof sheets 156 m2

Roof to Workshop Summary

16.0 WALLS

16.1 External

16.1.1 Blockwork




16.1.1.1 152 mm thick hollow concrete block in cement/sand mortar ( 1:4) 186 m2


16.1.1.3 Expanded metal ex 254 mm wide set in concrete columns

every 5th blockwork course as wall tie 206 m

16.1.2 Doors




16.1.2.2 Galvanised steel roller shutter doors 3658 mm wide x 2438 mm

high complete with metal frame, electrical mechanism for

opening and closing and locking device 1 nr

16.1.3 Windows

16.1.3.1 Steel louver window 915 mm wide by 457 mm high fixed to

hollow concrete block wall comprising 6 No 125 mm x 1.5 mm

flat section set at 45 deg louver blades fixed in a 100 x 100 x 3

mm RHS frame , and complete with all necessary brackets ,bolts,

welds , anchors and seals and including one coat etching

primer ,one coat zinc cromate and three coats metal paint 40 nr

16.1.4 Concrete work









Carried Forward

Brought Forward

16.1.5 Painting







16.1.5.4 1 coat textured paint, Spread Tex or equivalent 186 m2

16.2 Internal

16.2.1 Blockwork

16.2.1.1 102 mm thick hollow concrete block in cement / sand mortar 34 m2


16.2.2 Doors





complete with 50 mm x 150 mm GH frame , 3 no. metal hinges ,


16.2.3 Painting




16.2.4 Concrete work





Carried Forward

Brought Forward

16.2.5 Wall tiles

16.2.5.1 305 mm x 305 mm ceramic tiles in thinset and pointing in white

or coloured cement 13 m2

Walls to Workshop Summary




17.0 PLUMBING AND SANITARY FITTINGS

17.1 Water Closets

17.1.1 White Vitreous chinaWC suite Type BTW by Twyfords or

similar comprising P trap ,wash down action rimless bowl

, siphon jets , WC bowl back inlet , 9 litre

capacity cistern and cover with flush valve , side inlet




ball valve , 20 mm diameter side overflow , solid plastic

seat and cover with stainless steel hinges and plastic

outlet connector for 100 mm soil pipe including fixing 1 nr

17.2 Lavatory Basins

17.2.1 Sandringham 50 cm by Armitage Shanks or similar ,

white vitreous china , with one tap hole , wall mounted

complete with chrome plated pillar mixer lever type tap for

hot/ cold water supply , 37 mm waste outlet fittings ,trap ,

chain stay and plug including fixing and inclusive of all


17.2.2 Single bowl , double drainboard stainless steel sink

complete with chrome plated pillar tap for cold water

supply 37 mm waste outlet fittings ,trap ,chain stay and

plug including fixing to counter and inclusive of all


17.3 Toilet Roll Holders

17.3.1 Toilet roll holder, screw fix to all, chrome plated 1 nr

17.4 Sanitary Installation


joints

17.4.1.1 Soil Pipe 100 mm diameter 12 m

17.4.1.2 Vent pipe 100 mm diameter 3 m

17.4.1.3 Waste Pipe 51 mm diameter 12 m

Carried Forward

Brought Forward

17.4.2 Extra over for 100mm diameter pvc soil pipe :

17.4.2.1 Single branch 2 nr

17.4.2.2 Single branch with rodding eye 1 nr




17.4.2.3 WC pan connector 1 nr

17.4.2.4 Bend 4 nr

17.4.2.5 Vent cowl 1 nr

17.4.3 Extra over for 51 mm diameter pvc waste pipe :

17.4.3.1 S trap 51 mm diameter with screwed cleaning eye 1 nr

17.4.3.2 P trap 51 mm diameter 2 nr

17.4.3.3 Bend 51 mm diameter 6 nr

17.5 Cold Water Installation

17.5.1 PVC pressure Pipe and fittings with cement solvent joints



17.5.2 Extra over for 20 mm diameter pvc pressure pipe :

17.5.2.1 Bends 4 nr

17.5.2.2 Tees 4 nr


17.5.2.4 20 mm diameter bib cock 1 nr

17.5.2.5 Straight reducer 20 mm to 12 mm 2 nr

Carried Forward

Brought Forward


17.5.3 Extra over for 12 mm diameter pvc pressure pipe:

17.5.3.1 Bends 4 nr




17.5.3.2 Tees 4 nr



17.5.3.5 Connection of 12 mm diameter pvc pipe to WC cistern including

all necessary fittings 1 nr

17.6 Miscellaneous Fittings and Fixtures

16.2.5 Fire Extinguishers

17.6.1 Supply and install 5 kg dry chemical fire extingisher complete

with wall mount 2 Nr

17.6.2 2700 litre plastic water tank 1 nr

17.7 Sewage Treatment

17.7.1 Excavation and Earthworks

17.7.1.1 Excavation for foundations


17.7.1.3 Planking and strutting of sides of excavation not

exceeding 1.5 m deep 33 m2

17.7.2 Disposal

17.7.2.1 Dispose of excavated material off site 17 m3

Carried Forward

Brought Forward

17.7.3 Surface Treatment

17.7.3.1 Level and ram botton of excavation to receive sandfill 10 m2

17.7.3.2 Sandfill to make levels average 150 mm thick 10 m2




17.7.4 Disposal of Water

17.7.4.1 Keep excavation free from general water SUM

17.7.5 Backfill

17.7.5.1 Clean white sand, well watered and compacted in 150 mm layers 3 m3


17.7.6.1 51 mm thick cement and sand ( 1: 6 ) 20 m2

17.7.7 Insitu Concrete*

17.7.7.1 Provision of concrete, designed mix

17.7.7.1.1 C30/37 (4375 PSI), Cement to BS12, 20 mm - coarse aggregate 3 m3

17.7.7.2 Placing of concrete

17.7.7.2.1 reinforced slabs, thickness not exceeding 150 mm 3 m3


17.7.8.1 Formwork: rough finish, beams ,pile caps , walls ,pedestals



17.7.8.2.1 BRC No. 65 Fabric with 305 mm side laps (measured net: no 20 m2

allownace made for laps)

Carried Forward

Brought Forward

17.7.9 Septic Tank

17.7.9.1 Supply and install septic tank Roboplastic as

manufactured by Roto Plastic Trinidad Ltd.

Inclusive of sealed cover holding




17.7.9.1.1 2275 litres 1 nr

17.7.10 Soakaway

17.7.10.1 Excavation for pits

17.7.10.1.1 Clay and silty clay 1m -1.5m depth 5 m3

17.7.10.2 Geotextile Fabric

17.7.10.2.1 Non woven geotextile fabric Type 801 from Synthetic

Industries or equivalent with 150 mm side laps ( measured net

: no allowance made for laps) 19 m2

17.7.10.3 Backfill

17.7.10.3.1 Selected clay compacted in 6 layers 2 m3

17.7.10.3.2 20 mm single size aggregate 4 m3

17.7.10.4 PVC non pressure Pipe and fittings with cement solvent

joints

17.7.10.4.1 Soil Pipe 100 mm diameter with 36 No. 6 mm dia drilled holes 4 m

Plumbing & Sanitary Fittings to Power Plant Summary

Workshop Summary

13.0 Substructure

14.0 Frame

15.0 Roof




16.0 Walls

17.0 Plumbing & Sanitary Fittings

Workshop to Power Plant Summary




12.0 INTERNAL & EXTERNAL LIGHTING & FIXTURES

12.1 Internal and External Lighting Fixtures

12.1.1 LED Troffer Complete Lighting Fixture

48" x 24", 4000K, 3000 lumens LED Troffer complete

Lighting Fixture, inclusive of all screws and other additional

accessories for firm and safe installation. Operating voltage

120 to 277 Vac, 60Hz and shall be 50,000 hr of rated life 50 Nr

12.1.2 LED Wraparound Lighting Fixture (2380 lumens)

47-2/5" x 5-1/2", 4000K, 2380 Lumens LED Wraparound

Fixture, inclusive of all screws and other additional

accessories for its firm and safe installation. Operational

voltage 120Vac, 60Hz and shall be 50,000 hr of rated life 11 Nr

12.1.3 LED Wraparound Lighting Fixture (1200 lumens)

47-2/5" x 5-1/2", 4000K, 1200 Lumens LED Wraparound

Fixture, inclusive of all screws and other additional

accessories for its firm and safe installation. Operational

voltage 120Vac, 60Hz and shall be 50,000 hr of rated life 13 Nr

12.1.4 LED High Bay Complete Lighting Fixture

4x60W, 4745K to 5310K LED High Bay complete

lighting fixture, inclusive of all screws and other additional


100 to 277 Vac, efficacy shall be not less than 109 lm/W 24 Nr

12.1.5 LED Wallpack Outdoor Area Flood Light

40W, 5000K LED Wallpack outdoor area flood light

lighting fixture, inclusive of all screws and other additional


100 to 277 Vac, efficacy 80 lm/W, NEMA 7x7 14 Nr

12.1.5 Pole Mounted Area Lighting

4x60W, 4000K Hi-Power LED Shoebo, Variable-Mount

Luminarie with photocell, inclusive of all screws and other


100 to 277 Vac, efficacy shall be not less than 93 lm/W

Housing shall be die-cast aluminum textured architectural

bronze powder coat finished over a chromate conversion

coating and fitted with tempered flat clear glass lens.

Include mouting arm fixtures for 3" dia. Galv. Pole (Included) 22 Nr

Carried Forward

Brought Forward

ELECTRICALS




12.2 Cables

12.2.1 Low Smoke Zero Halogen BSEN60702 Part 1, 750V

(Heavy Duty) Magnesium Oxide Insulation, cores laid up,

Plain Copper Sheath, LSZH sheathSolid Plain Copper

Conductor, including adequately sized gland, seal and gland

shroud for both ends of each conductor

12.2.1.1 3 x 50mm2

1 roll

12.2.1.2 3 x 10mm2

10 roll

12.2.1.3 3 x 4mm2

5 roll

12.2.1.4 3 x 2.5mm2

12 roll

12.2.1.5 3 x 1.5mm2

4 roll

12.3 Switches

12.3.1 Supply and Installation of double pole single gang 32 Amp

flush mount UL Listed switch with metallic base and all other

necessary accessories and fittings for its firm and safe

installation. 7 Nr

12.3.2 Supply and Installation of double pole single gang 6 Amp flush

mount UL Listed switch with metallic base and all other

necessary accessories and fittings for its firm and safe

installation. 37 Nr

12.4 Receptacles

Supply and Installation of 15 Amp Switched Socket 120V

Duplex UL listed flush mounted Outlet with metallic base. 29 Nr

Carried Forward

Brought Forward

12.5 Moulded Case Circuit Breakers




Supply and Install of the following IEC 60947-2 rated TP,

Icu ≥ 35kA, Ue ≥ 480 MCCB (UL 489 CSA C22.2) including

adequate sized enclosure (NEMA 2/IP30), bolts and nuts and

all other fittings and accessories for its firm and safe

installation:

12.5.1 125 Amp 2 Nr

12.5.2 100 Amp 2 Nr

12.5.3 50 Amp 1 Nr

12.5.4 15 Amp 5 Nr

12.6 Bus Bar Chamber

Supply and Installation of 200 Amp BSEN60439-1, Icu=63kA

550V, 1φ 3W Bus Bar 1 Nr

12.7 Load Centres

12.7.1 Supply and Installation of 125Amps, 24 Pole, 1φ-3W UL

listed Circuit Breaker Panel 4 Nr

12.7.2 Supply and Installation of 125Amps, 12 Pole, 3φ-4W UL

listed Circuit Breaker Panel 2 Nr

12.8 Miniature Circuit Breakers

12.8.1 Supply and Installation of the following IEC 60947-2 rated,

Icu ≥ 10kA, Ue ≥ 240 MCB:

12.8.1.1 15 Amp Single Pole 18 Nr

12.8.1.2 30 Amp Single Pole 6 Nr

Carried Forward

Brought Forward

12.9 Rigid Metallic Conduits and Fittings




Supply and Install of the following 10ft length Galvanized Steel

Rigid Metallic and all other necessary fittings and ascessories

for its safe and firm installation.

12.9.1 3/4" 200 Nr

12.9.2 2 1/2" 10 Nr

12.9.3 Supply and Install the following Fittings for the 3/4",

Galvanized Steel Rigid Metallic Conduit:

12.9.3.1 "T" 30 Nr

12.9.3.2 Coupling 20 Nr

12.9.3.3 Clamps 400 Nr

12.9.3.4 Standard Entries (Male) 20 Nr

12.9.3.5 Elbows 40 Nr

12.10 PVC Conduits and Fittings

12.10.1 Supply and Install of the following 20ft length PVC Schedule

80 pipes and all other necessary fittings and ascessories for its

safe and firm installation.

12.10.1.1 2" 130 Nr

12.10.2 Supply and Install the following Fittings for the 2",

Galvanized Steel Rigid Metallic Conduit:

12.10.2.1 "T" 25 Nr

12.10.2.2 Coupling 20 Nr

12.10.2.3 Clamps 20 Nr

12.10.2.4 Elbows 25 Nr

Internal and External Lighting to Electricals Summary

21.0 Station Grid & Fence Grounding

21.1 Supply and Installation of 1x70mm2, Copper,

annealed bare soft-drawn conductor. 2,550 m




21.2 Supply and Installation of 10ft x 5/8" grounding rod and clamp. 249 Nr

21.3 Supply and Installation of 24" Tin-plated and ferrules high

conductivity and corrosion resistance Flexible copper

braids. Item must be Certified C22.22 No. 41 and listed

UL 467 and UL 486A Grounding and Bonding Equipment 8 Nr

21.4 Supply and Installation of GAR Claps. Material must be

high-conductivity wrought copper and must confirm

to IEEE 837 and UL 467 Standard 30 Nr

21.5 Supply of the following types of Molds made from

synthetic graphite capable of withstanding high temperature

and providing an everage life of not less than fifty (50)

separate exothermic welds for 1x70mm2 conductor:

21.5.1 pole -115g 2 Nr

21.5.2 3-way -150g 2 Nr

21.5.3 4-way -200g 2 Nr

21.6 Supply of the following ANSI/IEEE Std 80 and Std 837

approved and ISO 9001:2000 certified complete package

Cadweld materials of the following sizes:

21.6.1 115g for Pole connection 249 Nr

21.6.2 150g for 3-way connection 40 Nr

21.6.3 200g for 4-way connection 35 Nr

21.6.4 90g for connection of conductor splicing 30 Nr

Carried Forward

Brought Forward

21.7 Supply of Stainless Steel:1-1/2" x 1/2" bolt with 2 flat washers,

1 lock washer and nut 100 Nr




21.8 Supply of 600/1000V LV Compression, uninsulated copper Lug

for 70mm2 standard conductor size with stud size of 12 mm 100 Nr

Station Grid and Fence Grounding to Electricals Summary

22.0 Lighting Protection

22.1 Supply and Install complete Lighting Protection for the

Steel Frame Building. Unit shall include; Early Streamer

Emission Terminal (40µS, height of 684.6mm, ø 28mm),




Stainless Steel 304 Mast adaptor, mast, air base terminal and

air terminal support. The assembled height shall not exceed

or be less than 1980 mm (6'-6") 1 Nr

22.2 Supply and Install complete Lighting Protection for the

Steel Frame Building. Unit shall include; Early Streamer

Emission Terminal (25µS, height of 684.6mm, ø 28mm),

Stainless Steel 304 Mast adaptor, mast, air base terminal and

air terminal support. The assembled height shall not exceed or

be less than 1980 mm (6'-6") 2 Nr

22.3 Supply and Install 50mm2 (fusing capacity equivalancy) Tinned

Composite Copper-Bonded Steel Cables. Stranding shall be

133-tinned copper, 21 tinned copper-bonded steel. 300 m

22.4 Supply and Install Brass UL Class 1 (4/0 max) Cable

Connectors:

22.4.1 Cross-run Cable Connector 90 Nr

22.4.2 T-connector 20 Nr

Lighting Protection to Electricals Summary

23.0 Power Cables

23.1 Supply of 1x185mm2, Type 2XHSY, IEC 60502-2, 18kV Class

XLPE/EPR Unarmoured Insulated Stranded Copper Conductor

Cable 969 m




23.2 Supply of 1x50mm2, Type 2XHSY, IEC 60502-2, 18kV Class

XLPE/EPR Unarmoured Insulated Stranded Copper Conductor

Cable 492 m

Power Cables to Electricals Summary

23 A Electrical and Air Conditioning Installation

23 A1 Allow for general attendance Sum

23 A2 Allow for special attendance Sum

General Attendance to Electricals Summary

D Electricals

12 Internal and External Lighting and Fixtures SUM #REF!

21 Station Grid and Fence Grounding SUM #REF!




22 Lighting Protection SUM #REF!

23 Power Cables SUM #REF!

20 General Attendance SUM #REF!

Electricals Total to Power Plant Summary SUM #REF!




18.0 TANK FARM AND BUND WALL

18.1 Excavation for foundations

18.1.1 Remove existing topsoil average 150 mm thick 186 m2

18.1.2 Clay and silty clay 1m -1.5 m depth 163 m3

18.2 Disposal

18.2.1 Dispose of excavated material off site 191 m3


18.3.1 Grade and compact bottom of excavation to receive sandfill. 134 m2


18.4 Dewatering

18.4.1 Keep excavation free from water SUM


18.5.1 Place and compact 51 mm thick cement and sand blinding (1: 6) 134 m2

18.6 Insitu Concrete*


18.6.1.1 C30 (4375 Psi), Cement to BS12, 20 mm - coarse aggregate 60 m3


18.6.2.1 reinforced footings thickness 150 mm- 450 mm 12 m3


18.6.2.3 reinforced walls thickness 150mm- 450 mm 20 m3

18.6.2.3 reinforced slabs, thickness not exceeding 150 mm 28 m3

Carried forward

Brought forward

TANK FARM AND BUND WALL





18.7.1 Formwork: wrought finish , walls ,slabs

18.7.1.1 Vertical: width 225 mm 129 m

18.7.1.1 Vertical: width 300 mm –1200 mm 190 m2

18.7.2 Reinforcement (measured provisionally )

18.7.2.1 Deformed high yield steel bars to BS 4449.


18.7.2.1.1 20 mm dia 331 kg

18.7.2.1.2 16 mm dia 4049 kg

18.7.2.1.3 10 mm dia 775 kg

18.7.2.1.4 BRC No. 65 Fabric with 305 mm side laps ( measured net : no 173 m2


18.7.3 Water Bar

18.7.3.1 Flexible water bar Tricosal F300 Elastormer or equivalent 53 m

18.8 Pipework

18.8.1 203 mm dia. Gate Valve for PVC Pipe 1 nr

18.8.2 203 mm dia. Check Valve for PVC Pipe 1 nr

18.8.3 203 mm dia. PVC Pipe 13 m

18.8.4 203 mm dia. PVC 90 deg bend 4 nr

18.9 Miscellaenous Metal Work

18.9.1 Fabricate and install 51 mm metal grate from 51 mm x 6 mm

flats at 51 mm c/c according to dimensions indicated on the

1 m2

18.1 Protect all work in this section Item

Tank Farm and Bund Wall to Main Summary




19.0 WATER TANK FOUNDATION

19.1 Excavation for foundations

19.1.1 Excavate & remove existing topsoil average 150 mm thick 23 m2

19.1.2 Excavate Clay and silty clay 1m -1.5 m depth 27 m3

19.2 Disposal





19.4 Dewatering






19.6.1.1 C30 (4375 Psi), Cement to BS12, 20 mm coarse aggregate 19 m3






Carried forward

Brought forward

WATER TANK FOUNDATION






19.7.1.1 Vertical: width 225 mm 47 m





19.7.2.1.1 20 mm dia 331 kg

19.7.2.1.2 16 mm dia 1049 kg

19.7.2.1.3 10 mm dia 354 kg

19.7.2.1.4 BRC No. 65 Fabric with 305 mm side laps ( measured net : no 27 m2



Water Tank Foundation to Main Summary




20.0 RC CULVERT

20.1 Earthworks

Excavation for foundations 11 m x 6 m

Allow for working Room

20.1.1 Excavate top soil n.e 150 mm thick 5 m2

20.1.2 Excavate Clay/silty clay for foundation & wingwall n.e 1.7 m depth 61 m3


20.2 Disposal





20.3.3 Supply and install Geotextile 2175 Kn/m2, non-woven heat bonded

over area prior to sand fill course 1,385 m2

20.3.4 Supply, Place, grade, shape and compact to 98% modified

protor density, 100mm thick base course design mix (60:40)

first grade crusher run (75mm). Rate to include for soaking and

compacting with a roller compactor weighing 4 m3

20.4 Dewatering





Carried forward

Brought forward

RC CULVERT





20.6.1.1 C30 (4375 Psi), Cement to BS12, 20 mm - coarse aggregate 40 m3









20.7.2.1.1 20 mm dia 4680 kg

20.7.2.1.2 16 mm dia 5415 kg


Culvert to Power Plant Summary




24.0 ACCESS ROAD

Construct concrete road 5m wide x 200 mm thick, 277m lgth

24.1 Earth Works

24.1.1 Allow for De-watering of site by means of mechanical pump.

24.1.2 Supply and compact to 98% modified proctor density white

sand fill in layers n.e 150 mm in fill areas to sub-base level 9100 m3

24.1.3 Supply and compact selected soil to form 1 m wide shoulder

on both sides of the road 150 mm thick 96 m3

24.1.3 Supply and compact selected soil to form embankment

on both sides of the road 85 m3

24.1.4 Supply and compact selected soil to drain base both sides 85 m3

24.2 Geogrid and Geotextile

24.1.2 Supply and lay Tensar BX 1200 HDPE Bi-Axial Geogrid or

Approved Equivalent below the road as per specifications,

including all leads and lifts 1385 m2

24.1.2 Supply and install Geotextile 200g/m2, non-woven heat bonded 1,385 m

2

over area prior to placing filter course

24.3 Sub-Base Course

24.1.2 Scarify the roadbed and remove all rocks larger than 100 mm 1385 m2


protor density, 200mm thick white sand/sand clay mix

(40:60) to sand sub-grade. Rate to include for soaking

and compacting with a roller compactor weighing

not less than 10 tons 319 m3

24.4 Base Course




compacting with a roller compactor weighing


Carried forward

Brought forward

ACCESS ROAD





24.5.1 Deformed bars to BS 4449.Yield strength 460 N/mm2

(66,000 psi )

Supply, cut, bend and fix HYT bars to roadway. Rate to include 12327

for expansion and contraction joints, longitudinal joints.

24.5.1.1 12 mm @ 200mm cc each way 14080 kg

24.5.1.2 12 mm - Drains 7938 kg

24.6 Formwork: wrought finish , walls ,slabs

24.6.1 Vertical: width 300 mm –1200 mm 498 m2



C30/37 (4375 PSI), Cement to BS12, 20 mm- coarse aggregate

24.7.1.1 Road 229 m3

24.7.1.2 Drains 139 m3

24.7.1.3 Placing of concrete,


Access Road to Power Plant Summary




25.0 RETAINING WALL

25.1 Earthworks

Allow for working space

25.1.1 Excavate for foundation trench 260.3 m x 3 m x 1300 mm 1015.2 m3

25.1.2 Excavate for key 260.3 m x 300 mm x 600 mm 47 m3

25.1.3 Backfill with white sand and compact 1,051 m3

25.2 Disposal

25.2.1 Dispose of excavated material off site 1,167 m3


25.3.1 Level and compact bottom of excavation to receive sandfill. 781 m2

25.3.2 White Sandfill 300mm thick in layers n.e 150 mm compact

to 95% modified Proctor 270 m3

25.4 Dewatering

25.4.1 Keep excavation free from water with 24 hr.monitoring SUM





25.6.1.1 C30 (4375 Psi), Cement to BS12, 20 mm coarse aggregate

to foundation 375 m3


to 300mm thick wall 141 m3



Carried forward

Brought forward

RETAINING WALL






25.7.1 Formwork:

25.7.1.1 Supply, place and install timber formwork to foundation

sides, including ties and straps 521 m

25.7.1.2 Vertical: width 300 mm –1200 mm 1098.5 m2



Yield strength 460 N/mm2 (66,000 psi ) to Foundation

25.8.1.1 16 mm dia main bars to slab and key 4425.1 kg

25.8.1.2 12 mm dia. Distribution bars 6950 kg

25.8.1.3 Protect all work in this section Item


Yield strength 460 N/mm2 (66,000 psi ) to Walls

25.8.2.1 16 mm dia main bars 9728.7 kg

25.8.2.2 12 mm dia 2085 kg

25.8.2.3 10 mm dia 1549.3 kg


25.9 Auxiliaries

25.9.1 75 mm dia PVC Pipe Weep Holes @ 900mm cc 87 m

25.9.2 25mm No fines granular backfill layer to weep hole 71 m3

Retaining Wall to Power Plant Summary




26.0 FIRE FIGHTING AND PREVENTION

26.1 Supply and install 4.5 kg (10 lbs) dry chemical fire extingisher

complete with wall mount, hose and horn applicator

tested to 250 bar 4 Nr

26.2 Mobile Foam Equipment (Angus Hi-Combat AF 120)

120 litre foam concentrate tank, Hi-Combat UNI- 225

inductor and F225/HU low expansion foam branch pipe,

two 15m lengths of dutch coiled 45mm dia. Duraline fire hose

fitted with light alloy 67 mm instantaneous couplings to BS336

including a shut off ball valve fitted to the inductor and 5 pales

of Angus Tridol "C" AFFF Concentrate at induction of 3% 2 Nr

26.3 Light Duty Portable Extinguishers (dry powder)

9 kg (20 lbs) ABC multi-purpose powder for all round fire

protection on Class A, B and C fire,15 bar working pressure

Manufacturer: Amerex or Badger 4 Nr

26.4 Light Duty Portable Extinguishers (dry powder)

68 kg (150 lbs) ABC multi-purpose powder for all round fire

protection on Class A, B and C fire,15 bar working pressure

Manufacturer: Amerex or Badger 2 Nr

26.5 Mobile Fire Pump (Angus LDA600)

Diesel engine driven pump with delivery range of 600* l/min

at 7 bar delivery to over 1,400* l/min at 2 bar 2 Nr

26.6 Fire Hose

23000 mm x 67mm (75 feet x 2.5") 4 lgths

26.7 Alarms

Flashing Strobe/Horn 5 Nr

26.8 Fire Hydrant

Dry barrel design 1 Nr

Fire Fighting and Prevention to Power Plant Summary

27.0 AIR CONDITIONING AND VENTILATION

MECHANICAL




27.1 Supply and install 18000 BTU split AC unit, wall mounted

220 V, 60 Hz 1 Nr


220 V, 60 Hz 3 Nr


220 V, 60 Hz 2 Nr

AC to Power Plant Summary




28.0 INTERNAL ROAD

Construct concrete road 5m wide x 200 mm thick, 277m lgth

28.1 Earth Works

28.1.1 Allow for De-watering of site by means of mechanical pump.

28.1.2 Supply and compact to 98% modified proctor density white

sand fill in layers n.e 150 mm in fill areas to sub-base level 288 m3

28.1.3 Supply and compact selected soil to form embankment

on both sides of the road 19 m3

28.1.4 Supply and compact selected soil to drain base both sides 19 m3

28.2 Geogrid and Geotextile

28.2.1 Supply and lay Tensar BX 1200 HDPE Bi-Axial Geogrid or

Approved Equivalent below the road as per specifications, 480 m2

including all leads and lifts

28.2.2 Supply and install Geotextile 200g/m2, non-woven heat bonded

over area prior to placing filter course 480 m2

28.3 Sub-Base Course






28.4 Base Course






Carried forward

Brought forward

INTERNAL ROAD





28.5.1 Deformed bars to BS 4449.Yield strength 460 N/mm2

(66,000 psi )

Supply, cut, bend and fix HYT bars to roadway. Rate to include 12327

for expansion and contraction joints, longitudinal joints.

28.5.1.1 12 mm @ 200mm cc each way 14080 kg

28.5.1.2 12 mm - Drains 7938 kg


28.6.1 Vertical: width 225mm 320 m



C30/37 (4375 PSI), Cement to BS12, 20 mm- coarse aggregate

28.7.1.1 Road 105 m3

28.7.1.2 Drains 225mm x 200 mm 7 m3



Internal Road to Power Plant Summary




29.0 SITE WORK AND DRAINS

29.1 Earthworks



29.1.1 Excavate top soil n.e 150 mm thick 2100 m2

29.1.2 Supply and install Geotextile 2175 Kn/m2, non-woven heat

bonded over area prior to sand fill course 1,385 m2


protor density, 1m-2m thick white sand/sand clay mix

(50:50) for base over site. Rate to include for soaking



29.1.5 Supply, Place, grade, shape and compact 100 mm thick

26 mm minus gravel to site in identified areas 210 m3



29.2 Drains

29.2.1 Internal Drains

29.2.1.1 Reinforced Concrete Drain 300 mm wide graded from

300 mm to 450 mm over length of 34 m with 150 mm

thick base and sides and with 900mm x 900mm rebate to

top of drain on both sides reinforced with, 50mm x 50mm x

6mm angle set in concrete and including all necessary

excavation , return fill and compaction , formwork and

No 65 BRC fabric to base and sides. 195 m

29.2.1.2 Supply and install 200mm Ø corrugated HDPE pipe as

underground drain 35 m

Carried forward

Brought forward

SITE WORK AND DRAINS




29.3 Perimeter Drains




Deformed high yield steel bars to BS 4449.


29.4.1 12 mm dia 5618 kg

29.5 Provision of concrete, designed mix

29.5.1 C30 (4375 Psi), Cement to BS12, 20 mm - coarse aggregate 116 m3

29.5.1.1 Placing of concrete,


Site Works and Drains to Power Plant Summary




30.0 OILY WATER SEPARATOR

30.1 Earthworks



30.1.1 Excavate Clay and silty clay n.e 3 m depth 150 m3




protor density, 300mm thick white sand 30 m3




30.2.1 Vertical: width 300 mm –1200 mm 22 m2


Deformed high yield steel bars to BS 4449.


30.3.1 16 mm dia 50 kg

30.3.2 12 mm dia 1100 kg

30.3.3 10 mm dia 1500 kg

30.3.4 BRC No. 65 Fabric with 305mm side laps ( measured net : no

allowance made for laps) 2 m2

30.4 Provision of concrete, designed mix


30.4.2 C30 (4375 Psi), Cement to BS12, 20 mm - coarse aggregate 25 m3

Carried forward

Brought forward

OILY WATER SEPARATOR




30.5 Placing of concrete,

30.5.1 reinforced slabs, thickness not exceeding 150 mm 25 m3

30.6 Pipe Work

30.6.1 Supply and install Pipe works as indicated.

30.6.1.1 8" dia. Cast Iron Pipe 8 m

30.6.1.2 6" dia. Cast Iron Slotted Skimmer Pipe 2 m

30.6.1.3 Petroleum resistant rubber boot set in concrete 4 No.

30.6.1.4 Cast iron handle 18" long and 3" wide 1 No.

30.6.1.5 4" diameter cast iron overflow pipe 20' long 1 No.

30.6.1.6 8" Cast Iron Tee 2 No.

30.6.1.7 Extra over 4" diameter cast iron pipe for 90 deg bend 1 No.

30.6.1.8 8" dia. Gate Valve for Cast Iron Pipe 2 No.

30.6.1.9 8" dia. Check Valve for Cast Iron Pipe 2 No.

30.6.1.10 8" dia. PVC Pipe 8 m

30.6.1.11 8" dia. PVC 90 deg bend 4 No.

30.7 Water Bar

30.7.1 Flexible water bar Tricosal F300 Elastormer or equivalent 20 m

30.8 Miscellaenous Metal Work

Fabricate and Install 50 mm Metal Grate Deck from 50mm x 6mm flats at 50mm c/c according to dimensions

indicated on the drawings. 10 m

Oily Water Separator to Power Plant Summary




31.0 RIVER APPROACH SECTION 1

Double Wall

31.1 AZ 20-800, S 430 GP SHEET PILE

31.1.1 Double pile form I, w idth b=1.6 m, Wall 1, Tr1 L=6.1m

8 @ 17 m lengths 12.043 tons


8 @ 10.5 m lengths 7.438 tons

31.2 UPN 300 S 355 JO WAILING BEAM

31.2.3 Waling beam, Tr1 L=6.1m

8 @ 6.4 m lengths 1.183 tons

31.3 dia. 60mm / M80 TIE ROD

31.3.1 Tie rod system 60mm dia. With upset threaded ends M80

6 @ 6m lengths 6 Nr

31.4 C 14 S 355 GP CORNER SECTION

31.4.1 C14 corner section 4 @ 10.5m length 0.605 tons

31.4.2 C14 corner section 2 @ 17m length 0.490 tons


Main Wall and Anchor Wall







32.2.1 Double pile form I, w idth b=1.54 m, Anc. Wall 2, Tr1 L=6.0m


Carried forward

Brought forward

RIVER APPROACH









32.3.1 Waling beam, Tr1 L=6.0m, 4 @ 6.28m lengths 1.522 tons





9 @ 18m lengths 9 Nr


Double Wall



34 @ 11m lengths 27.152 tons





9 @ 6.5m lengths 9 Nr


Main Wall and Anchor Wall


Carried forward

Brought forward

34.1.1 Double pile form I, w idth b=1.54 m, Main Wall , Tr1 L=19.5m





34.1.2 Double pile form I, w idth b=1.54 m, Anc. Wall, Tr1 L=19.50m


34.1.3 Double pile form I, w idth b=1.54 m, Main Wall , Tr2L=24.6m













34.2.1 Waling beam, Tr1 L=19.5m, 4 @ 20m lengths 1.504 tons



34.2.4 Waling beam, Tr4 L=27.6m, 4 @ 27.72 m lengths 2.085 tons



34 @ 6.0m lengths 9 Nr

Carried forward

Brought forward

35.0 RIVER APPROACH EARTHWORKS

35.1 Supply, Place, and compact rock infill 1m thick 630 m3




35.2 Supply, Place and compact to 98% modified

protor density, river sand 6 m thick. Rate to include



35.3 Supply, Place, grade, shape and compact to 98% modified





35.4 Supply, Place, grade, shape and compact to 98% modified





36.0 RIVER APPROACH CONCRETE

36.1 Beams and Slab






SSP beams 20 m3


200 mm thick slab 146 m3


36.2.2.1 reinforced beam thickness 150 mm- 450 mm 20 m3

Carried forward

Brought forward

36.2.2.2 reinforced slab thickness 150mm- 450 mm 146 m3


36.3.1 Formwork:




36.3.1.1 Supply, place and install timber formwork to beam

sides, including ties and straps 250 m




Yield strength 460 N/mm2 (66,000 psi ) to SSP Bean ans Pavement

36.4.1.1 16 mm dia main bars to SSP beam 2083 kg

36.4.1.2 12 mm dia. Bars to slab 4688 kg

36.4.1.3 Supply, Place, grade, shape and compact 100 mm thick

26 mm minus gravel to site in identified areas 20 m3



GUYANA POWER AND LIGHT INC - Welcome to GPL … B- Bill Of... · guyana power and light inc project...

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