DEPOSIT RWSS to Thrikkovilvattom Construction of Pumphouse and Commissioning of Tube Well and Allied Works at Mylapore Ward 19 of Thrikkovilvattom Panchayath General Civil Work

APPENDIX. A- Construction of pumphouse .

2.8.1:Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil

4.1.6:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 40 mm nominal size derived from natural sources)

7.1.1:Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:Cement mortar 1:6 (1 cement : 6 coarse sand)

50.6.1.4:Solid block masonry using pre cast solid blocks (Factory made) of size 30x20x20cm or nearest available size confirming to IS 2185 part I of 1979 for foundation and plinth with thickness 20cm and above in: CM 1:6 ( 1 cement : 6 coarse sand ) etc complete

50.2.25.1:Filling with contractor's own earth ( excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m as per direction of site Engineer-in-charge

13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

50.10.1:Steel work in built up G I tubular ( round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting,fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

50.10.2:Steel work for purlin/single section with G I pipes including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

12.1.2:Providing corrugate G.S. sheet roofing including vertical/ curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete ( up to any pitch in horizontal / vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.0.80 mm thick with zinc coating less than 275 gm/m2

OD166355/2025-2026:Wiring the pump house and Providing 4 nos light point, and 1 No Fan point and one socket etc wiring the pump house using best quality copper wire with pvc pipe and fitting switches, sockets etc in two switch board and supply and fitting 2 nos. 20 w CFL bulbs, 2 nos. tube set, 1 no. sealing fan best quality as per IE rules.

OD166356/2025-2026:Providing chlorination arrangements to the tube well pump house by supplying and fixing 2 nos of PVC tanks with capacity 500 Ltr & 300Ltr with the platform out side suitable to bleaching powder solution connecting to the 80 mm GI pumping main near the well including cost of all materials , labour charges etc complete as per the instruction of officer in charge

OD166354/2025-2026:Supply and installation of 5 MB CC TV (5 MP Bullet motion sensor Camera- 1 nos ) including 1TB SATA, necessary cables for connection,4 channel DVR (5MP), PVC box, HDMI cable, 4 Channel SMPS for CCTV Output, Power Supply Adapter for up to 4 CCTV Cameras, Coaxial Pure Copper CCTV Camera Cable, 3/4G SIM Router,Stabilizer, UPS 500 VA, providing plug point and switch for electric connection, including labor charges, etc. complete as per direction of departmental officers ( Conditions includes 3yr product warranty plus on site service)

APPENDIX .B -Supply and Erection of pump set

OD166349/2025-2026:Supply, erection, testing and commissioning of Brand new 10 HP (DECCAN/CROMPTON) 3phase Submersible pump set with motor having ISI mark having minimum discharge of 250LPM and 90m head in accordance with the yield of the tube well and against a total head as instructed by the deptl officers, with bronze impellers, SS316 shaft etc working in 3 ph AC main as per IS specification with minimum efficiency of 80% . The rate quoted inclusive of 5m , 80 mm GI B class pipe and specials, 5m 4 sq.mm cable , fully automatic star delta starter of approved manufacturers , interconnection of outlet with existing distribution line using suitable specials, earthing by using 8 SWG copper wire, supply and fixing standard type floor mounted panel board, supplying copper cable of required length and size, providing cable connection from panel board to starter and starter to motor etc, supply and fixing suitable type CI D/Sluice valve , reflux valve, pressure gauges, power capacitor, single phase and dry & running preventors, earthing main switch board with all units as per IE Rules, hire for tools, supplying ,fabricating and fitting meter box as per KSE I rules for fixing the meter and fuse unit of KSEB etc complete as per the direction of departmental officers.

OD166348/2025-2026:Supply of Brand new 10 HP (DECCAN/CROMPTON) Submersible pump set as standby without accessories having ISI mark with motor having discharge of 250 LPM against a minimum head of 90 meters with bronze impellers, SS316 shaft etc working in 3 ph AC main as per IS specification with minimum efficiency of 80% .

OD166347/2025-2026:Supply of Supply of 80 mm uPVC column pipe including coupling

100.98.428:Supply of CI Non Return Valve, Conforming to IS 5312 Part I - 1984, PN 1.6, Size 80mm.

23.12:Development of tube well in accordance with IS: 2800 (Part I) and IS : 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc.by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tube well, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer - in-charge.

OD166346/2025-2026:Cost of Nylon rope 16mm for holding the pumpset to avoid falling

APPENDIX.C -Pumping Main and allied works.

15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

15.43.2:Dismantling manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in-Charge:Bituminous road

100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

100.8.1:Fencing one side of trenches, 1.50m height with two rows of 10cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2m intervals.

100.9.9:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 110 mm nominal outside diameter pipes.

100.98.224:Supply of PVC Pipe, 8kg/cm2, 110mm Dia.

OD166344/2025-2026:Interconnecting the existing PVC/AC pipe line to the newly laid pipe line after tracing out the existing pipe line,cutting and jointing with suitable specials so as to make a water tight joint,charging and testing,providing fencing,lighting watching and providing caution board ,.including all labour charges,cost of pipe and specials etc.complete as per the direction of deptl.officers

4.1.4:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources)

100.31.1.2:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 100mm diameter, Class I.

100.98.505:Supply of CI Plain End Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 80mm.

100.98.506:Supply of CI Plain End Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 100mm.

OD166345/2025-2026:Supplying 75X 60cm size black granite stone slab and providing carving letters and border lines in the face side of granite slab for fixing into the wall of size 1.00X 0.90X0.23m in CM 1:6 with country burnt bricks 19X9X9cm for structure for fixing granite slab and plastering with CM 1:4, 12mm thick one coat, trowelled smooth watering, curing etc including cost and conveyance of materials, labour charges etc complete.

APPENDIX.D -Automation arrangements

OD166350/2025-2026:Supply of fully automatic star delta starter for10 HP-400V with a relay rande of 9-14 Amps (spare)

OD166353/2025-2026:Supply of M POWER module 2 nos. (1 as standby) for mobile starter for motor.

OD166352/2025-2026:Installation charge for sub pump controller kit.

OD166351/2025-2026:Supply of SIM , SIM kit and including plan for one year

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