REPAIR MAINT OF EXTERNAL WATER SUPPLY NETWORK INCLUDING HOT WATER SUPPLY AND OTHER ALLIED WKS AT KHALTSI, LAMAYURU, BIAMAH AND BATALIK IN THE AOR OF AGE BR-II KHALTSI UNDER GE KHUMBATHANG

Amount

Excavation in trenches, getting out in hard/dense soil not exceeding 1.5m deep and not exc 1.5m wide for taking out the existing cable .GI pipes etc. any size at places complete all as specified and directed by Engineer-in-charge.

Removing of surplus soil to a distance not exceeding 50 mtr complete all as specified and deposited where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed by Engineer-in-charge.

Returning filing in including spreading levelling, watering & well ramming in layers not exceeding 25 Cm thick complete all as specified and directed by Engineer-in-charge.

Taking up/down steel tubing/CI/Cement and connection from trenches including connected fittings/ accessories complete dia size of 80 mm bore for re-use of serviceable pipes and removing the U/S pipes from site to safe custody complete all as specified and directed by Engineer-in-charge.

All as per item No 4.00 above but dia size of 50 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 4.00 above but dia size of 40 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 4.00 above but dia size of 25 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 4.00 above but dia size of 20 mm bore complete all as specified and directed by Engineer-in-charge.

Supply, laying & testing in trenches GI pipe medium grade ISI marked with all fittings / accessories for dia size of 80 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 9.00 above but dia size of 50 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 9.00 above but dia size of 40 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 9.00 above but dia size of 25 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 9.00 above but dia size of 20 mm bore complete all as specified and directed by Engineer-in-charge.

Taking down old/unservicable gate valve and float valve of different sizes complete all as specified and directed by Engineer-in-charge.

Supply & fixing in replacement of PVC float valves high pressure with polythene float and fly nut complete screwed for iron pipe or brass ferrule of 20 mm bore complete all as specified and directed by Engineer-in-Charge.

Material and labour for brick masonry valve pit nominal size 60 cm x 60 cm x 60 cm with one brick thick wall using precast cement block of size 20cmx10cmx10cm brick in cement mortar 1:6 over 20 cm thick PCC plate form with 15 cm off set on every side of 1:3:6 type C-1 including plastering of internal surfaces and exposed surfaces with 15 mm thick plastering in cement mortarf 1:4 and 50- mm thick RCC cover (in two equal parts 1:2:4) type B-1 with 10 mm dia deformed bars at 10 cm interval on both side including necessary form work with 150 mm dia hole in the center complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in repair of gun metal gate valve ISI marked with iron wheel screwed down high pressure screwed both ends for iron pipe of size 50 mm bore complete all as specified and directed by Engineer-in-Charge.

All as per item No 17.00 above but dia size of 40 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 17.00 above but dia size of 25 mm bore complete all as specified and directed by Engineer-in-charge.

All as per item No 17.00 above but dia size of 20 mm bore complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of 415 volts 50 Hz,3 phase 15 HP motor with centrifugal pump including connected items and testing including required accesssories i.e. nuts bolts, washers etc. complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of 415 volts 50 Hz,3 phase 5 HP ,20 stage & 80 mtr head submersible pump set ( water filled motor) suitable for 50mm bore pipe pump including connected items and testing including required accesssories i.e. nuts bolts, washers etc. complete all as specified and directed by Engineer-in-charge.

Complete rewinding, servicing and refixing of 415 volts 50 Hz 03 to 05 HP submersible motor and refixing/lowering down at existing same place and testing including required accesssories i.e. nuts bolts, washers etc. complete all as specified and directed by Engineer-in-charge.

Complete rewinding, servicing and refixing of 415 volts 50 Hz 10 to 12.5 HP motor and refixing/lowering down at existing same place and testing including required accesssories i.e. nuts bolts, washers etc complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement including taking down of submersible flat black PVC cable of size 10 sqmm,3 core copper conductor as per IS 694 complete all as specified and directed by Engr -in-Charge.

Supply and laying in repair of synthatic rubber insulated mats 2.5 mm thick for electrical purpose as per IS 15652. suitable for electrical shock saftey of size 2mx1m, Capacity-Three phase 420 Volts complete all as specified and directed by Engr -in-Charge.

Supply and fixing of star -delta Starter for capacity 15 HP centrifugal motor of 415 volts, 50 HZ 3 Phase complete all as specified and directed by Engr -in-Charge.

Supply and fxing of star -delta Starter for capacity 5 HP sumbersible pump of , 415 volts, 50 HZ 3 Phase complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of 3 layer PVC water storage tank capacity 1000 ltr and connected accessories all as specified or indicated including testing on completion complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of 20 MM 3 layer PP-R Pipes PN 16 UV stablized and antimicrobial fusion welded having thermal stability for hot and cold water supply including all PP-R plan and brass thread polypropylene random fittings fixed to walls,cellings including taking down complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of 25 MM 3 layer PP-R Pipes PN 16 UV stablized and antimicrobial fusion welded having thermal stability for hot and cold water supply including all PP-R plan and brass thread polypropylene random fittings fixed to walls,cellings including taking down complete all as specified and directed by Engineer-in-charge.

Supply and fixing PPR gate valves( Brass insert) of 20 mm dia including required accesssories complete all as specified and directed by Engineer-in-charge.

All as per item No 32 above but size 25 mm bore dia complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of heating element 20 Amp ,250 volts fully automatic auto cut with thermostate and fitting with syntex all accessories and complete plumbing material and insulation complete all as specified and directed by Engineer-in-charge.

Supply and fixing heat tracing cable ( self regulating) 14 AWG nickel plated copper bus conductor rated ouput wattage at -10 to 5 degree 30 w/m at 220 Volts complete all as specified and directed by Engineer-in-charge.

Supply and fixing insulation on tubing of for 20 mm dia pipe and 13mm thick of nitrile rubber complete all as specified and directed by Engineer-in-charge.

Supply and fixing insulation on tubing of for 25 mm dia pipe and 13mm thick of nitrile rubber complete all as specified and directed by Engineer-in-charge.

Supply and laying in replacement of HDPE(High density Polyethylene) flaxiable pipe size 50MM complete with accessories fix on wall & floor complete all as specified and directed by Engineer-in-charge.

Repair/Replacement of Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised iron srip 32x6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and directed by Engineer-in-charge.

Cleaning of clear water (supply tank) Semi UG sump type of capacity 22500 Ltr at pump house khaltsi by taking out the mud, silt/sand and other partical by any means from bottom of tank and removing the waste material to a distance not less than 50m and spreading/levelling complete all as directed, washing and scrubing down of algae/scales/dirt/vegetation and shrubs from the inside walls of tank with wire brush, washing with lime mixed water including applying two coats of white wash on inside walls of tanks after preparation of surface and providing a block of size 90x60cm on external surface of wall with black synthetic enamel paint including writing the same with white paint, complete all as specified and directed by Engr-in-charge for the following :- (i) Capacity of tank , (ii) Tank cleaned on and (iii) Next due date of cleaning

All as per description of ser item No.40.00 above but clear water (supply tank) Semi UG sump type of apacaity 80000 ltr for meal dte khaltsi complete all as specified and directed by Engineer-in-charge.

Deduct Credit for Demolished/Dismantled material Rs (-) 42,280.00 (Minus) as listed in Schedule 'A' Sec-II (Credit Schedule) Note : Tenderers will not quote against this item being a tentative amount, to be considered to arrive at the 'Contract Sum'.

M/s Raj Construction

M/S LIBE & CO

M/S BHAT ENGINEERS