COMPREHENSIVE MAINTENANCE OF WATER SUPPLY DISTRIBUTION NETWORK AT DIPATOLI MIL STN UNDER GE DIPATOLI

Excavating in trenches, not exceeding 1.5 metre wide and not exceeding 1.5 meter in depth for laying/ taking out of pipe in soft/loose soil, complete all as specified and directed.

Returning/ refilling in trenches including spreading levelling, watering and well ramming in layer not exceeding 25 cm thick, complete all as specified and directed.

Removal of excavated surplus soil not exceeding 50 meter and depositing where directed at level not exceeding 1.5 metre above the starting point, complete all as directed.

Material and labour for repair/replacement/construction of brick masonry valve pit of size 1200X1200X1200 mm (internal dimensions) one brick thick wall in cement mortar 1:4 on 100 mm thick PCC 1:4:8 (40 mm graded aggregate) in foundation, rendering 15 mm thick internally an extrernally upto 150 mm below GL, providing 3.0 mm thick MS sheet valve pit cover cover, welded with 40X5 mm flat iron frame alround incl provn of hinges, handle and locking arrangements and 40X40X6 mm angle iron frame fixed on top of vavle pit by means of holdfast 150 mm ling embedded in PCC 1:2:4 (20 mm graded aggregate) block of size 230X200X100 mm, applying two coats of anti-corrosive paint over a coat of red oxide zinc chrome primer after prep of all exposed to steel surfaces incl necy excavation & earth work in soil complete all as specified and directed.

Supply and laying pipe ERW steel including specials and welding work as per site requirement of size 250 mm dia bore as per IS 3589(1981) thickness 6 mm complete all as specified and directed.

All as per item No 5 here-in-before but of size 200 mm dia bore complete all as directed.

All as per item No 5 here-in-before but of size 150 mm dia bore complete all as specified and directed.

Material and Labour for PCC 1:3:6 type C1 using 20 mm graded stone aggregate for construction for thrust blocks to the pipe at corners and bends etc complete all as specified and directed.

Supply and fixing in repair CI body and brass gate heavy duty non return valve (NRV) with by-pass arrangement, IS-5312, ISI marked both ends flanged with 2 Nos rubber insertion gasket joints, nuts, bolts & washers of required size & nos complete of size 250 mm dia complete all as specified and directed.

All as per item no 9 here-in-before but of size 150 mm dia complete all as specified and directed.

All as per item no 9 here-in-before but of size 100 mm dia complete all as specified and directed.

Material and labour for mild steel iron frame/sheet work with suitable angle iron/ flat iron and sheet matching with existing insfrastructure on site providing required size of frame/sheet including welding work, provn of hinges, handle, holdfast and locking arrangements etc as required at site, applying two coats of anti-corrosive paint in any prescribed colour matching with existing insfrastructure over a coat of red oxide zinc chrome primer complete all as specified and directed. (Note: No of welding joints will be made all as directed by Engr-in-Charge).

Material and labour for drilling and tapping cast iron water mains in position for branch connections of 15 mm to 20 mm internal dia size complete all as specified and directed.

Taking down steel tubing with all connections of size 15 MM dia bore complete all as directed.

All as per item No 14 here-in-before but of size 20 mm dia bore complete all as directed.

All as per item No 14 here-in-before but of size 25 mm dia bore complete all as directed.

All as per item No 14 here-in-before but of size 40 mm dia bore complete all as directed.

All as per item No 14 here-in-before but of size 50 mm dia bore complete all as directed.

Refixing old steel tubing with necessary connections in old or new positions (laid in Trenches, walls, ceiling, floors etc) with necessary required new fittings including cleaning as per SSR Part -1 of size 15 MM dia bore complete all as specified and directed.

All as per item No 19 here-in-before but of size 20 mm dia bore complete all as specified and directed.

All as per item No 19 here-in-before but of size 25 mm dia bore complete all as specified and directed.

All as per item No 19 here-in-before but of size 40 mm dia bore complete all as specified and directed.

All as per item No 19 here-in-before but of size 50 mm dia bore complete all as specified and directed.

Supply & Fixing GI tubes medium grade galvanized with necessary fittings and clamps as per SSR Part -1 laid in trenches /wall/floors concealed or open execution of size 15 mm dia bore complete all as specified and directed.

All as per item No 24 here-in-before but of size 20 mm dia bore complete all as specified and directed.

All as per item No 24 here-in-before but of size 25 mm dia bore complete all as specified and directed.

All as per item No 24 here-in-before but of size 40 mm dia bore complete all as specified and directed.

All as per item No 24 here-in-before but of size 50 mm dia bore complete all as specified and directed.

Supply and fixing gun metal globe or gate valve with iron wheel head, screwed both ends with union, long screw with check nut for iron pipe including taking down existing gate valve of size 15 MM dia bore complete all as specified and directed.

All as per item No 39 here-in-before but of size 20 mm dia bore complete all as specified and directed.

All as per item No 29 here-in-before but of size 25 mm dia bore complete all as specified and directed.

All as per item No 29 here-in-before but of size 40 mm dia bore complete all as specified and directed.

All as per item No 29 here-in-before but of size 50 mm dia bore complete all as specified and directed.

Supply and fixing bib taps cast copper alloy with clutch or butterfly handle screwed down, screwed for iron pipe as per SSR Part-I of size 15 mm bore including taking down old unserviceable bib taps complete all as specified and directed.

Supply and fixing in repair ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe or brass ferrule and fixed as specified in SSR Part-I of size 15 MM Bore including taking down old unserceable ball valves complete all as specified and directed.

All as per item No 35 here-in-before but of size 20 mm dia bore complete all as specified and directed.

All as per item No 35 here-in-before but of size 25 mm dia bore complete all as specified and directed.

Supply only TCCA-90 complete all as specified and as directed.

Supply only Copper Sulphate complete all as specified and as directed.

Supply only Ferric Alum complete all as specified and as directed.

Supply Only Calcium Hypo Chloride minimum 65 % chlorine complete all specified and directed.

Supply only lead wool complete all as specified and as directed.

Supply only lead Pig complete all as specified and as directed.

Supply only Spun Yarn complete all as specified and as directed.

Supply Only Hacksaw Blade of Std Size ISI Make.

Supply only cutter blade of size 100 mm ISI Make.

Supply only nut, bolt, washer etc complete all as specified and directed.

Supply only rubber gasket for water supply works complete all as specified and directed.

Supply only grease complete all as specified and as directed.

Supply only GP epoxy resin (m-seal) in 60 gm pack size complete all as specified and as directed.

Supply only teflon tap small size complete all as specified and as directed.

Supply only OT Solution for chlorine test in 200 ml or nearest size packing complete all as specified and directed.

Material and labour for opening and proper closing the existing filtration tank of swimming pool of 8000 gallons per hour capacity for repair/ servicing and cleaning by taking out filter media sand/aggregate/carbon filter media etc and refilling of the same . The job includes for resetting the filtration plant in functional condition as before complete all as specified and directed.

Material and labour for repair/servicing to 40 HD high pressure single head adjustable gear motor dosing pump of 40 HD capacity by repair/servicing of spare parts like pump tube, suction/discharge tubing, inject check valve, foot ball, adaptor with connecting nut, duck bill, connecting nut, valve o ring, rotor assembly, coil, roller assembly and terminal lugs, nut, bolts, cleaning/repairing of settling tank as required at site including testing of dosing pump sets to check the smooth functioning complete all as specified directed. (Note:- spares/parts like pump tube, suction/discharge tubing, inject check valve, foot ball , adaptor with connecting nut, duck bill, connecting nut, valve o ring, rotor assembly, coil, roller assembly will be measured and paid separetaly.)

Supply and replacement of pump tube suitable for item No 54 complete all as specified and directed.

Supply and replacement of suction/discharge tubing suitable for item No 54 complete all as specified and directed.

Supply and replacement of inject check valve suitable for item No 54 complete all as specified and directed.

Supply and replacement of Sunction Valve/Foot Valve suitable for item No 54 complete all as specified and directed.

Supply and replacement of adaptor with connecting nut suitable for item No 54 complete all as specified and directed.

Supply and replacement of duck bill suitable for item No 54 complete all as specified and directed.

Supply and replacement of connecting nut suitable for item No 54 complete all as specified and directed.

Supply and replacement of connecting valve "O" ring suitable for item No 54 complete all as specified and directed.

Supply and replacement of rottor assembly with bearing bracket suitable for item No 54 complete all as specified and directed.

Supply and replacement of coil suitable for item No 54 complete all as specified and directed.

Supply and replacement of roller assembly suitable for item No 54 complete all as specified and directed.

Supply and fixing DOL Starter 415 Volts, 3-Phase upto 10 HP capacitycomplete all as specified and directed.

Material and labour for taking up and down and carry to workshop centrifugal pump of capacity 100/75 HP by opening and dismantling from the position for repair/replacement components like bearing roller type, shaft welding and machining work, body asssemble and machining with opening and fitting, chabi machining and fitting, coupling bushing and boring, neck ring policing, nut bolt washers and greasing work and refixing the same in position for smooth functioning of pumping set and testing at full load complete all as specified and as directed. Note :- Any additional item required to complete the job is deemed to be included in the quantity rate.

All as per Item No 67 here-in-before but of capacity 30 HP complete all as specified and as directed.

All as per Item No 67 here-in-before but of capacity 10/7.5 HP complete all as specified and as directed.

Material and labour for taking up and down & carry to workshop and opening the burnt motor 100/75 HP, 415 Volts and rewinding the same by super enamel copper wire as per existing size/gauge including provision of new insulating material, varnishing and fixing of new ISI make bearing both side and refixing the same in position and testing at full load and commissioning complete all as specified and directed. Note :- Any additional item required to complete the job is deemed to be included in the quantity rate.

All as per Item No 70 here-in-before but of capacity 30 HP complete all as specified and as directed.

All as per Item No 70 here-in-before but of capacity 10/7.5 HP complete all as specified and as directed.

Material and labour for taking up and down & carry to workshop and opening the booster pump of capcity of .5 to 2 HP, rewinding the same by super enamel copper wire as per existing size/gauge including provision of new insulating material, varnishing and fixing of new ISI make bearing, repair/replacement of impellers, shaft seals, pressure switch, check valve and pressure tank and refixing the same in position and testing at full load and commissioning complete all as specified and directed. Note :- Any additional item like electronic relays, fuses and switches etc required to complete the job is deemed to be included in the quantity rate.

Supply and installation of Bleaching Stick suspender with the following specifications:Metallic dead weight min. 4 Kg, Cylindrical configuration with base grip, Suspension length: 6 Metresto 10 Metres, Stick holding capacity: 5, Fastening mode: Thermoplastic hook complete all as specified and directed.

Supply only Chlorine tablets contained in plastic cylindrical sealed disposable sanitiser refill for disinfection of drinking water with arrangement for controlled release of disinfectant in water, suitable for operation through recommended dosing system.Replacement indication: visual & weight variation Water contact orifice design: Sealed when dry, exposed upon immersion ,Operation type: Non contact, non inhalatory ,Cylinder dia: 2.5 inches ± 0.5 inches ,Cylinder height: Minimum 10.0 inches ± 0.5 inches, complete all as specified and directed.

Supply only pool balance module to increase chlorine sanitiser level in pool water, target limits for free available chlorine; 2 PPM to 4 PPM complete all as specified and directed.

Supply only pool algaecide specfically effective against green, black spot & mustard algae sealed in plastic container complete all as specified and directed.

Supply only fast acting pool clarifier to clear dull, hazy or cloudy water which can occur in newly filled pools, during warm weather, with pool start up or with algae growth in sealed plastic container complete all as specified and directed.

Supply only pool balance module to check water parameters with following ranges: pH: 6.8 to 8.4, Total alkalinity: 0 to 240 PPM, available chlorine- 0 to 5 PPM, hardness: 0 to 1000 PPM, stabiliser: 0 to 250 PPM, pack of 50 strips in sealed plastic container.

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