Kerala Water Authority Tender

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.

100.98.1008:Engaging Coolie.

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.

OD311303/2023-2024:Interconnecting/Jointing the newly laid 110mm PVC line to the existing 160mm PVC line by cutting the existing line diametrically,the cut being perpendicular to the axis of the pipe and smoothening the cut ends and inserting the suitable PVC TEE and reducer, supplied by the contractor and placing in position , jointing with solvent cement and testing to the required test pressure including cost of all specials,all labour charges etc complete as per direction of departmental officers.

OD311304/2023-2024:Jointing/Interconnecting the newly laid 110 mm PVC pipe with 150 mm exposed GI pipe line for connecting the pumping main, using necessary specials such as reducers, bit pipe, PVC and GI bend and making the joint water tight, all labour charges, cost and conveyance of all specials etc. complete as per the direction of engineer in charge.

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.

OD234788/2024-2025:Construction of Valve chamber of inner size 1.0m x 1.0m x 1.5m in M-25 grade cement concrete for reinforced cement concrete work and 10 mm MS rod (115 Kg) for Base slab and side wall and 12 mm MS rod (102 Kg) for cover slab. (Base slab 1.3 mx 1.3mx0.15 m, side wall 15 cm thick, cover slab 3 Nos of size 1.3mx0.42mx0.15 m) over a PCC base of size 1.5 mx1.5mx0.10 m in 1:3:6 using 40 mm broken stone, plastering inside the valve chamber and cover slab in CM.1:3, 6 mm thick including cost and conveyance of all materials etc. complete. as per the direction of departmental officers.

4.1.5: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 : 6 graded stone aggregate 20 mm nominal size)

OD314388/2023-2024:Providing 40 mm PVC casing pipe for 3X4mm sq. submersible cable between tube well to pump house

OD314389/2023-2024:conveying and fixing double acting air valve in pumping main for releasing air from storage tank by providing suitable size of specials such as saddle piece, GI bend, GI coupling, GI pipe and double acting air valve . 50 mm diameter. including cost and conveyance of all materials, but excluding cost of pipe complete as per direction of Engineer in charge

APPENDIX A - PART II :-LAYING PUMPING MAIN - COST OF MATERIALS

100.98.237:Supply of PVC Pipe, 10kg/cm2, 110mm Dia.

OD314570/2023-2024:Supplying 110 mm CIR joint.

OD314572/2023-2024:Supplying 100 mm tail piece (6 Kg/cm2)

100.98.482:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Hand Wheel PN 1.6, Size 100mm.

OD313108/2023-2024:Supply of 110 mm PVC Tee (10 kg/cm2)

OD311292/2023-2024:Supplying110 mm 45/22.5 degree PVC bend (10 Kg /cm2)

APPENDIX B :-SUPPLY, ERECTION AND COMMISSIONING OF SUBMERSIBLE PUMP SET

OD311306/2023-2024:Supply, erection. testing and commissioning of electrically operated brand new submersible pump set of reputed manufacturers having ISI mark suitable for 150/200 mm dia, Tube well capable to discharge of water 400-500 LPM against a head of 80-90 M with stainless steel shaft with bronze impeller coupled with suitable three phase 400/440V prime over with a delivery size of 80 mm including supplying 3 X 6 mm square submersible flat type copper cable not less than 10 M, fully automatic star delta starter compatible for automation, wall mounted type panel board consisting of 100 A main switch, 100 A changeover switch, 100 A ELCB/MCB, single phase preventer, dry run preventer, Fuse units of suitable rating, voltmeter, ammeter with selector switch, capacitor (6 KVAR or suitable rating) and earthling materials etc. and pressure gauge. 80 mm GI pipe (heavy duty) with couplings / flanges as column pipe - 10.00 M including its fabrication works for delivery connection, 80 mm CI sluice valve with wheel (PN 1.60) - 1 No, 80mm GM valve- 1No, 80mm CI NR valve (PN 1.60) -1 No, earth connection as per IE rules etc., erection and trial running etc. complete including one year Warrantee period as per direction of engineer in charge

OD311307/2023-2024:Supplying 80 mm GI Class B pipe (weight not less than 8.5 Kg/m) having ISI mark

OD311308/2023-2024:Supplying good quality 80mm GI BEND

OD311309/2023-2024:Supplying 80mm GI Tee

OD311310/2023-2024:Supplying 3X4mm sq. submersible cable having ISI mark

OD311311/2023-2024:Supplying, conveying and fitting automatic module for mobile starter (make L&T, model M power pro) for automatic operation of pump set including cost and conveyance of all components and erection charges etc complete as per the direction of engineer in charge.

OD311312/2023-2024:Providing bleaching powder solution feeding unit for disinfection of water consisting of supplying and providing polyethylene water storage tank (ISI marked) with cover and suitable locking arrangement of capacity 500 Ltr, providing platform of size 1.25 M x 1.00 M for placing PVC tank by structural steel work riveted, bolted or welded in built up sections including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using ISA 75 x 75 x 6, providing 20 mm CPVC pipe connection for inlet water supply to tank from pumping main and out let supply from tank to bottom of tube well including providing two number ball valves in inlet line and one valve in outlet line and providing 50 mm CPVC pipe darin outlet in tank for scovring arrangement including providing 50 mm PVC ball, valve in drain pipe and making the unit functional for collecting water from pumping main and continuous feeding of bleaching powder solution to tube well etc complete including cost and conveyance of polyethylene water storage tank (ISI marked) with cover and suitable locking arrangement of capacity 500 Ltr - 1 No, Steel structural platform using ISA 75 x 75 x 6 - 108 Kg, inlet and outlet pipe connection using 20 mm CPVC pipe and specials - 66 M and valves, drain arrangement all labour charges, supplying 30/40 Ltr PVC bucket - 2 Nos and PVC mug - 2 Nos (for mixing bleaching powder), hire charges of tools etc complete as per the direction of engineer in charge.

OD311313/2023-2024: Supply and fixing 63A TPN Main switch

OD311314/2023-2024:Supply and fixing of 63A 4pole change over switch which shall be of reputed make

APPENDIX C - DEMOLISION AND RECONSTRUCTION OF COMPOUND WALL IN IDBP PUMPHOUSE

15.7.4:Demolishing brick work 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.In cement mortar

4.1.3: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 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

5.22.1:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelMild steel and Medium Tensile steel bars

50.6.3.1:Solid block masonry using pre cast solid blocks ( Factory made) of size 40x20x10cm or nearest available size confirming to IS 2185 part I of 1979 for foundation and plinth for 10 cm thick wall in CM 1:6 ( 1 cement : 6 coarse sand) including cost of scaffolding etc complete

13.1.2:12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand).

13.37.1:White washing with lime to give an even shade:New work (three or more coats)

100.98.1008:Engaging Coolie.