MAINTENANCE/ REPAIR/ REPLACEMENT OF EXTERNAL WATER SUPPLY INSTALLATIONS, GI/CI/DI PIPE LINES, PUMPS, ELECTRIC MOTORS, VALVES AND CLEANING OF OVERHEAD TANKS AND UG SUMPS AND ALLIED WORKS AT INS SARDAR PATEL, NOFRA, NCB AND NAE

Amount

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr deep and getting out in hard/dense soil all as specified and directed

Returining, filling in including spreading, levelling watering and well ramming in layer not exce 25 cm, all as specified and directed

Removing excavated soil to a distance not exce 50 mtr and deposited where directed at a level not exceding 1.5 mtr abvoe the starting point all as specified and directed.

M&L for Cutting existing cast iron pipe in position for insertion of new pipe/tees, branches etc.

200 mm dia

150 mm dia

100 mm dia

80 mm dia

Taking up cast iron water mains (including all fittings ), flanged rubber joints, spigot and socket ends and lead joints including burning out joints and recovering lead of size :-

150 mm dia

100 mm dia

80 mm dia

Supply and laying cast iron pipes with spigot and socket ends centrifugally cast, Class LA, in any length laid in trenches of size

150 mm dia

100 mm dia

80 mm dia

M&L for run lead joints complete for water mains with spigot & socket pipes and fittings, all as specified and directed. Bore of pipe :-

200 mm dia

150 mm dia

100 mm dia

80 mm dia

Supply & fix rubber tyton joint of following size :

150 mm dia

100 mm dia

80 mm dia

Supply & fix rubber gasket joint for flange end of following size :

200 mm dia

150 mm dia

100 mm dia

80 mm dia

Supply & fix machanical joint ISI marked for spigot end pipe of following size :

200 mm dia

150 mm dia

100 mm dia

80 mm dia

Supply and fix in replacement of butterfly valve 150mm dia including all necessory fittings all as specified and directed.

Supply and fix in replacement of CI sluice valve both ends flanged and drilled, bonnet wedge stuffing box. Gland trust plate, hand wheel made out of grey CI, complete valve confirming to IS 14846/2000 and its fittings suitable for hydraulic test pressure of 15 Kg/sqcm PN 1.6 ISI marked complete all as specified and directed of sizes :-

M & L repairing of cast iron sluice valve 200 mm dia complete with flanged end, gaskets, packing, replacement of threaded shaft with nut assemble and metal diapharm , rotatating wheel , nut and bolts, painting two coat of black colour as per IS 780 including all joints with rubber gasket, bolts, and nuts washer complete all as specified of sizes.

All as per item No.13.00 above but 150 mm dia.

All as per item No.13.00 above but 100 mm dia.

All as per item No.13.00 above but 80 mm dia.

Supply and fix in replacement cast iron double ball air release valves of size 80mm as per IS 14845, PN rating H-7 ISI marked all as specified and directed.

Supply & fix in replacement CI foot valve heavy duty 80 mm dia brass with all accessories including taking out old complete all as specified and directed by Engineer-in-Charge note: Clamps of required size and nut bolts deemed to be included in rate.

All as per item No.15.00 above but 100 mm dia.

Supply, laying & jointing in tranches DI pipes class K-7 of standard length spigot and socketed end push type self restrained joint with rubber gasket as jointing material, internal cement morter coating & external surface with butiminous paint 150 mm dia ISI complete all as specified and all as directed Engr-in-charge. all fixing accessories deemed to included in rate.

Supply, laying & jointing in tranches DI pipes class K-7 of standard length spigot and socketed end push type self restrained joint with rubber gasket as jointing material, internal cement morter coating & external surface with butiminous paint 100 mm dia ISI complete all as specified and all as directed Engr-in-charge. all fixing accessories deemed to included in rate.

M & L for Bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs suitable for 80/100/150/200 mm bore pipes all as specified and as directed

Attending the water supply breakdowns of any size/type of pipes in any position/location/depth including necessary excavation, earth work, cutting of pipes, welding, replacement of pipes of any nature, flanges, bends, collars, nut bolts, gasket, run lead joint or any other items required for rectification of break downs, testing and making good to the disturbed surfaces after rectification complete all as specified and directed for the following size of pipe lines :- Note :- (a). Items like run lead joint, CI/DI /MS fittings or pipes, nut bolts shall be measured and paid separately under relevant item of schedule 'A (b). Remaining items are shall be deemed to be included in the item rate and no extra payment shall not to be claimed for the completion of break down. (c). After hand over of complaint, contractor shall complete the break down within 24 hrs or other wise panel recovery shall be made 2500/- per breakdown

250/200 mm dia CI/DI/MS pipe line

150/100 mm dia CI/DI/MS/GI pipe line

80/40 mm dia CI/DI/MS/GI pipe line

Cutting of road /hard standing for laying /dismentling of pipe line and making good surfaces matching with the existing surface after laying of pipe line.up to 30 cm

Supply and fixing in replacement of high density polyethylene pipes (HDPE) of presure rating PN 6, DN 75 mm/ 63 mm 10 kgf/cm2 ISI marked,laid in borewell/ open well for water outlet including all connecting accessories complete all as specified and directed by Engr-in-charge. Make - Major or equivalent it.

Taking up or down GI Tubing and connections including cleaning for refixing or removal to store of size :-

15 mm dia

20 mm dia

25 mm dia

40 mm dia

50 mm dia

Supply and laying GI tubing medium grade with all fittings and fixed complete laid in trenches of size :-

Supply and laying GI tubing medium grade with all fittings and fixed complete to walls and ceilings or laid in floors of size :

15 mm dia

20 mm dia

25 mm dia

40 mm dia

Taking up or down GI /CPVC Tubing and connections including cleaning for refixing or removal to store of size :-

40 mm dia

25 mm dia

32 mm dia

Supply and laying CPVC pipe 40 mm bore size laid on wall, floor, ceiling including short lengths, with all pipe fittings such as ends, elbows, unions, tees, reducing tees, adoptors, sockets, plugs, hose, clips and connecting to existing water main including dismantling and taking out old UNSV/rusted/pitted CPVC pipe from trenches/ on wall as specified and directed for the following sizes:- Note: (a) Excavation and earth work shall be measured and paid seperately under relevant item of Schedule 'A' (b) The rates quotoed inclusive of cutting, jointing and testing of the pipe. (c) Quoted rate is deemed to be inclusive of all specials/ fittings required at site and testing complete.

Ditto all as per item No 27.00 above but for CPVC pipe of size 25 mm bore.

Ditto all as per item No 27.00 above but for CPVC pipe of size 32 mm bore.

Supply and fix in replacement, CPVC ball valve 40 mm bore size with all fittings complete including dismantling taking out old unserviceable gate valve fixed at any location all as directed all as specified and directed.

Ditto all as per item No 30.00 above but for CPVC ball valve of size 25 mm bore size

Ditto all as per item No 30.00 above but for CPVC ball valve of size 32 mm bore size

Supply and fix in replacement Gun metal Globe or Gate valve with iron wheel head, screwed both ends for iron pipe and fixed with required necessary GI fittings complete of size :-

20 mm dia

25 mm dia

40 mm dia

50 mm dia

Cutting existing galvanised iron pipe in position for insertion of new pipe/tees, branches etc.

15 mm dia

20 mm dia

25 mm dia

40 mm dia

50 mm dia

Supply & Fix rotational moulded polythene water tank 500 lit cap (cylidrical verticle with closed top) including all necessary GI fittings note- (1) Extra GI pipe required to be measured & paid seperately

Supply & Fix rotational moulded polythene water tank 1000 lit cap (cylidrical verticle with closed top) including all necessary GI fittings note- (1) Extra GI pipe required to be measured & paid seperately

Supply & Fix rotational moulded polythene water tank 2000 lit cap (cylidrical verticle with closed top) including all necessary GI fittings note- (1) Extra GI pipe required to be measured & paid seperately

Breaking down /removing of damage valve chamber and other brick/ pcc work of any size and pattern with foundation concrete including removing of demolition materials to a distance not exceeding 50 mtr and depositing where directed.

M & L porbandar stone masonary valve chamber of size 0.90 m x 0.90 m X 0.75 m (internal size) and cover including earth work complete all as specified and comprising of the following.

150 mm thick PCC 1:4:8 type D2 using 40 mm graded stone aggregate for foundation 100 mm thick.

brick work with sub class `B` bricks using old size bricks straight on plan built in cement mortar 1:6 ,23 mm thick for construction of valve chamber and other misc work..

15 mm thick rendering in CM(1:4) internally and externally to exposed surface of thick work including 150 mm below ground level

5 mm thick rendering in CM 1:6 on fair faces of brick work / concrete work and finished even& smooth without using extra cement.

MS covers made out of 1.6mm thick MS plate with double hinges, fixed MS angle iron frame made out of MS angle iron 40 x 40 x5 mm thick including 150 mm long hold fast made out of MS flat iron of size 25 x 4 mm embedded in PCC coping MS covers shall be provided with suitable hand grip and suitable locking arrangement,

preparation of new surfaces for painting work of plain black sheet and angle iron MS by applying two coat of synthetic enameled paint over a coat of red oxide primer .

Replacement of MS cover made out of 5mm thick MS sheet with double hinges and suitable handle locking arrengement etc complete fixed to MS angle iron frame made out of 40 x 40 x 5 mm size including 15cm long hold fast of 25 x 25 x 4 mm MS feate iron embeded in PCC coping for valve pit cover of various size necessary painting black synthetic enamelled paint with 2 coats over red primer.

M & L for painting to water supply tubing any dia after preparation of old painted surface by proper cleaning and then applying two coat of synthetic enamelled paint as per existing colour code or as directed by Engineer-in-Charge.

M& L for cleaning of Underground static water tank of capacity upto 50000 Gallons capacity by scraping the inside walls by wire brush complete including removal of sludge and dirty water inside and cleaning the sump with fresh water by adding bleaching powder for disinfection and removing the chlorinated water incl epoxy paint on the entire surface of sump and writing the details of tank cleaning(capacity,Name ,date of cleaning) as directed by Engr in charge .

M& L for cleaning of Underground static water tank / Overhead tank of capacity 20000/25000 Gallons capacity by scraping the inside walls by wire brush complete including removal of sludge and dirty water inside and cleaning the sump with fresh water by adding bleaching powder for disinfection and removing the chlorinated water incl epoxy paint on the entire surface of sump and writing the details of tank cleaning (capacity,Name ,date of cleaning) as directed by Engr in charge .

M& L for cleaning of Underground static water tank of capacity 10000 Gallons capacity by scraping the inside walls by wire brush complete including removal of sludge and dirty water inside and cleaning the sump with fresh water by adding bleaching powder for disinfection and removing the chlorinated water incl epoxy paint on the entire surface of sump and writing the details of tank cleaning (capacity,Name ,date of cleaning) as directed by Engr in charge .

M& L for cleaning of Filteration plant consisting of Baffle Tank,Sedimentation tank of Capacity 25000 LPD by scraping the inside walls by wire brush complete including removal of sludge and dirty water inside and cleaning the sump with fresh water by adding bleaching powder for disinfection and removing the chlorinated water incl epoxy paint on the entire surface of tank and writing the details of tank cleaning as directed by Engr in charge.

Supply and fixing in repairs star-delta starter suitable for 10 HP to 12.5 HP motor type MK-1 complete with sheet-steel enclosure, complete all as directed by the Engineer-in-Charge Make : L & T or equivalent.

Dismantling Taking Out and refixing 20 HP, 415 Volts, 3 Phase Submersible pump set / Centrifugal pump set / Sewage Pump set with pump foundation strip, opening and cutting of burnt winding wire, from starter assy cleaning with petrol, rewinding moter with superior quality winding wire of suitable guage providing insulation glass sleaves, Varnising, Reassembling etc.

All as per item No 47.00 above but of capacity 15/20 HP

All as per item No 47.00 above but of capacity 7.5 HP

All as per item No 47.00 above but of capacity 5 HP

All as per item No 47.00 above but of capacity 3 HP

All as per item No 47.00 above but of capacity 2 HP

All as per item No 47.00 above but of capacity 0.5 HP

Servicing of Submersible pump set/Centrifugal pump set /sewage pump set 3 phase 20 HP along with dismantling of GI pipe from UG sump and refixing the same installed by repalcing bearing,bushing,nuts ,bolts and gland packing ,lathe work,shaft mateling ,greasing and testing the pump set include two coat of synthetic enamel paint over the coat of red oxide primer complete as per directed by Engr In charge.

All as per item No 54.00 above but of capacity 15 HP

All as per item No 54.00 above but of capacity 7.5 HP

All as per item No 54.00 above but of capacity 5 HP

All as per item No 54.00 above but of capacity 3 HP

All as per item No 54.00 above but of capacity 2 HP

Material and labour for servicing of the pressure pump of given capacity of dozing system, single phase 230 volts capacity, disconnecting the electric connection of motors, and removing the motors from its existing position and sending to workshop for repairs/rewinding complete and refixing the same after repairs complete all as specified and directed by Engr-in-charge.

Supply and fixing in repairs suction line made of GI tubes medium grade of 100 mm dia 3.3 meter long including flange joint with necessary welding work complete with all fittings (like; union, tee, bend, elbow, reducer, socket) to be fixed for suction line complete all as specified and directed by EIC.

Supply and fixing in repairs suction line made of GI tubes medium grade of 80 mm dia 3.3 meter long including flange joint with necessary welding work complete with all fittings (like; union, tee, bend, elbow, reducer, socket) to be fixed for suction line complete all as specified and directed by EIC.

Supply and fixing in repair flat PVC multistranded copper conductor cable of size 6 sqmm x 3 core 36/0.5 including PVC pipe complete electrical connection to motor and starter all as specified and directed by Engr-in-charge.

Supply and fixing in repair DOL starter suitable for 1 hp to 2 HP motor complete with sheet-steel enclosure complete all as directed by the Engineer-in-Charge Make : L & T or equivalent.

Supply and fixing in repair DOL starter suitable for 3 hp to 5 HP motor complete with sheet-steel enclosure complete all as directed by the Engineer-in-Charge Make : L & T or equivalent.

Supply only Alum ferric compound of approved quality as spcified and as directed.

supply only calcium hypocloride granules 70% all as specified and directed.

Strainer for Suction of size 150mm complete all as specified and directed by EIC.

Strainer for Suction of size 100mm complete all as specified and directed by EIC.

M/S Unicon Engineering co (BID ID -3203576)

J J ENTERPRISES (BID ID -3204135)

Bharat Enterprise (BID ID -3204881)

BABUBHAI BHIMABHAI PANDAVADRA (BID ID -3205227)

AADESH CONSTRUCTION (BID ID -3203977)

SANVI ASSOCIATES (BID ID -3204901)