REPAIR AND MAINT OF DI/CI, GI PIPELINES, SLUICE VALVE, GATE VALVES AND CONNECTED EXTERNAL WATER SUPPLY PIPE ITEMS OF ARTY CENTRE AND 7TH MILE AREA UNDER GE GOLCONDA

Amount

Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in soft/loose soil all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc.,25cm thick each layer in hard/dense soils all specified and as directed.

Removing excavated materials to a distance not exc 50 M and depositing where directed at a level not exc. 1.5 M above the starting point all as directed

Taking up or down steel tubing and connections including cleaning for refixing or removal of unserviceble materials out of site all as specified and directed for 15mm bore

All as per item No.04 above but 20mm bore

All as per item No.04 above but 25mm bore

All as per item No.04 above but 40mm bore

All as per item No.04 above but 50mm bore

All as per item No.04 above but 80mm bore

All as per item No.04 above but 100mm bore

Refixing old steel tubing and connections in new or old position (walls,ceiling,floors etc) for 15mm bore complete with all fittings all as specified and directed.

All as per item No.11 above but 20mm bore

All as per item No.11 above but 25mm bore

All as per item No.11 above but 40mm bore

All as per item No.11 above but 50mm bore

All as per item No.11 above but 80mm bore

M&L for 80 mm dia Ductile iron pipes with spigot and socket end including tyton joints, Class K-9 laid in trenches alongwith taking up or down CI/DI water mains 80mm dia (including all fittings) with spigot and socket ends and lead joints, burning out joints and recovering lead complete all as specified and directed.

All as per item No.17 above but 100mm dia

All as per item No. 17 above but 150mm dia

S&F galvanized steel water tubing medium grade of 15mm bore complete with all fittings such as bends elbows, tees, short pieces, connectors, back nuts, diminishing pieces, caps and pigs, unions including taking up or down existing steel tubing with fittings all as specified and directed.

All as per item No.20 above but 20mm bore

As per item No.20 above but 25mm bore

As per item No.20 above but 40mm bore

As per item No.20 above but 50mm bore

As per item No.20 above but 80mm bore

All as per item No.20 above but 100mm bore

S&F in repairs gunmetal globe or gate valve with iron wheel head screwed both ends for iron pipe of 15mm bore including taking down complete all as specified and directed.

All as per item No.27 above but 20mm bore

All as per item No.27 above but 25mm bore

All as per item No.27 above but 40mm bore

All as per item No.27 above but 50mm bore

Supply and fixing new CI sluice valves PN 1.6 confirming to ISI with flanged ends, SS spindle, round wheel including jointing materials,PCC work, nuts, bolts and gasket including taking out the unserviceable cast iron sluice valve for size 80 mm bore complete all as specified and directed

All as per item No.32 above but 100mm bore

All as per item No.32 above but 150mm bore

All as per item No.32 above but 200mm bore

All as per item No.32 above but 250mm bore

Dismantling and taking out existing unserviceable foot valve of size 100mm bore from the pipeline and replacing with new CI foot valve of 100 mm bore complete with necessary nuts,bolts and gasket as per site requirement fixing in position all as specified and directed.

All as per item No.37 above but 150mm bore

S&F Gland packing in pump and CI sluice valves size 10to 12mm complete all as specified and directed.

Dismantling and taking out the existing unserviceable spindle and check nut of CI sluice valve and replacing with new SS spindle and nut as that of existing one complete with necessary rubber gasket, bolts and nuts as per site requirement for 80 mm dia size of CI sluice valves complete all as specified and directed.

All as per item No: 40 above but 100 mm dia size

All as per item No: 40 above but 150 mm dia size

S & F 3 pole power contactor, AC3 heavy duty 415 volts 70 A rating, with 2 NO+2NC, 240/415 Volts coil rating as per site requirement complete including taking down old unserviceable power contactor from the panel board/starter all as specified and direted.

Taking out/ burning out the existing unserviceable run lead joint for 80mm bore CI pipes and rejointing with necessary new run lead, lead wool spun yarn arrest the leakage of water complete all as specifide and directed. Note:Cost of excavation and earth work , PCC work shall be included rate quoted

All as per item No 44 above but 100mm bore

All as per item No 44 above but 150mm bore

All as per item No 44 above but 200mm bore

All as per item No 44 above but 250 mm bore

Material & Labour DI fittings for spigot/flanged end pipes such as bends any type (radius and angle) tapers any type (straight, bend increasing or decreasing double socket flanged etc), Tee pieces, single branch, 'Y' junction, double branch cross (all socket or socket and spigot or flanged, Collars,caps and plug etc all as specified and directed up to 250mm bore.

Disconnecting, removing of the U/S burn out DOL starter, supply and fixing new DOL starter 5 to 7.5 HP capacity with relay contactor , making connections and testing complete all as specified and directed.

Disconnecting, removing of the U/S burn out DOL starter, supply and fixing new DOL starter 10 HP capacity with relay contactor , making connections and testing complete all as specified and directed.

Construction of valve chamber with PCC 1:4:8 type D2 for foundation, brick wall in cement mortar (1:4), PCC 1:2:4 type B1 for coping, rendering in CM (1:4) 15mm thick for internal surfaces, 3mm thick MS sheet welded to frame made out of 40 x 40 x 3 as cover (of suitable size wrt chamber size) fixed with hinges welded to frame of 50 x 50 x 6mm embedded in coping and applying two coats of synthetic enamel paint over a coat of redoxide primer to the steel surfaces including necessary excavation and earthwork in any type of soil complete for chamber of size 600x600x600mm.

All as per item No.52 above but 900x900x900mm depth

All as per item No.52 above but 1200 x 1200 x 1200 mm depth

M&L one coat of primer and two coats of synthetic enamel paint for various water supply installations like pumps, motors, CI/DI lines of any size vertical/horizontal, NRVs, Foot Valves, Panel Boards, MS covers etc all as specified and directed .

S & F in repair NRV of 100mm dia matching existing model complete with necessary, nuts,bolts and gasket as per site requirement complete all as specified and directed.

Surface excevation n.exceeding 30 cm deep and averaging 15 cm deep and getting out from hard/dense soil including surface dressing execeding 15 cm deep & cutting of bushes / trees of any size / height near OHT, UG sumps, pump houses surrounding area and removal of excavated materials at a distance not exc 50 m where directed complete all as specified and as directed.

S&F single phase preventer including taking down existing single phase priventer all as specified and directed. MAKE: SEIMENS/ HAVELLS

Cutting and threading the existing column pipe of 3m long, 50mm bore, after transporting to the work shop and getting threaded suitable for 100mm long, coupler and transporting back to site all as specified and directed.

S & F in repair NRV of 150mm dia matching existing model complete with necessary, nuts, bolts and gasket as per site requirement complete all as specified and directed.

Supply and fix High density polyethylene pipes (HDPE) of pressure rating 16 kgf/cm2 of 75mm bore both end threaded alongwith fittings all as specified and directed.

Supply and fix High density polyethylene pipes (HDPE) of pressure rating 16 kgf/cm2 of 50mm bore both end threaded alongwith fittings all as specified and directed.

Supply, laying and testing PVC insulated and sheathed flat 3 core 6 Sqmm, copper stranded conductor water proof submersible cable fixed to submersible monoblock pump set to starter, complete, including taking out old unserviceable cable of any description all as specified and directed.

Redevelopment of tube well of maximumm depth of 100 mtr by means of pumping by Air compressor of minimum pressure 10 Kg/cm2 (compressor to be arranged by contractor at his own cost), until sand free and clean water is obtained and including rate quoted of taking up submersible motor with pipes & cable complete all as specified and directed.

S&F Non Return Valve, with flanges, heavy duty, Cast iron body, for 50 mm/40mm bore pipe, complete, all as specified and directed.

S & F 3 pole power contactor, AC3 heavy duty 415 volts 25 A rating, with 2 NO+2NC, 240/415 Volts coil rating as per site requirement complete including taking down old unserviceable from the panel board/starter all as specified and direted.

Supply, laying and testing PVC insulated and sheathed flat 3 core 10 Sqmm, copper stranded conductor water proof submersible cable fixed to submersible monoblock pump set to starter, complete, including taking out old unserviceable cable of any description all as specified and directed.

S & F relay of DOL starter capacity 30 Amps as that of existing make and model including fixing in position connection, commissioning and testing complete, including taking down unserviceable over load relay all as specified and directed.

S & F 3 pole power contactor, AC3 heavy duty 415 volts 40 A rating, with 2 NO+2NC, 240/415 Volts coil rating as per site requirement complete including taking down old unserviceable from the panel board/starter all as specified and direted.

S&F Ball brass valves, Bore dia of pipe in 20 mm high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

S&F Star delta starter timer capacity 30 Amps inlcuding taking down existing star delta starter timer, complete all as specified and directed.

M & L for cutting of road, hard standing made of concrete or premix carpet, WBM, soiling and morrum filling including excavation for laying of pipe laying all as directed and making good the road/hard standing by using all old/new materials and with PCC (1:2:4) etc, required to match with the existing surface complete all as specified and directed. [ Note : Approx width of road cutting is not exceeding 30cm]

M & L for cutting of road, hard standing of approx depth 2 meter made of concrete or premix carpet, WBM, soiling and morrum filling including excavation for laying of pipe line all as directed and making good the road/hard standing by using all old/new materials and with PCC (1:2:4) etc, required to match with the existing surface complete all as specified and directed.

S&F 3 layer 25 mm dia PP-R polypropylene random copolymer pipes SDR 7.4 (PN 16) UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc. complete all as specified and directed.

S&F 3 layer 32 mm dia PP-R polypropylene random copolymer pipes SDR 7.4 (PN 16) UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc. complete all as specified and directed.

S&F 3 layer 40 mm dia PP-R polypropylene random copolymer pipes SDR 7.4 (PN 16) UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc. complete all as specified and directed.

S&F 3 layer 50 mm dia PP-R polypropylene random copolymer pipes SDR 7.4 (PN 16) UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc. complete all as specified and directed.

Supply and fix 25 mm bore outer dia PPR gave valve brass insert complete all as specified and directed.

Supply and fix 32 mm bore outer dia PPR gave valve brass insert complete all as specified and directed.

Supply and fix 40 mm bore outer dia PPR gave valve brass insert complete all as specified and directed.

Supply and fix 50 mm bore outer dia PPR gave valve brass insert complete all as specified and directed.

M/s. A&T Enterprises (BID ID -3466289)

Sri Lakshmi Enterprises (BID ID -3473223)

NAVANAND ENTERPRISES (BID ID -3472258)

Rallapati siva sai prasad (BID ID -3467236)