REPAIR/MAINT/IMPV OF EXTERNAL WATER SUPPLY INSTALLATIONS, BLDGS, STORAGE TANKS, DISTRIBUTION MAINS AND ALLIED WORK AT JHORA, MH ETC AT LEBONG UNDER AGE (I) DARJEELING

Amount

Excavation in trenches n.exc 1.5m wide and n.exc 1.5 m in depth for foundation etc or for shafts, wells, cesspits, manholes, pier holes etc n.exc 10 sqm on plan and n.exc 1.5m in depth and getting out in soft/loose soil complete all as per specified and as directed by Engineer-in-charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers n exc 25cm complete all as per specified and as directed by Engineer-in-charge.

Removing excavated material not exc. 50 m & depositing where directed at a level not exc. 1.5 m above starting point complete all as per specified and as directed by Engineer-in-charge.

Taking out old existing galvanised iron water mains 20 mm bore (including all fittings) with spigot and socket ends and fittings for re-use in the work and removing unserviceable pipes and fittings from site complete all as per specified and as directed by Engineer-in-charge.

All as per serial item No.04 above but for pipe of size 25 mm.

All as per serial item No.04 above but for pipe of size 40 mm.

All as per serial item No.04 above but for pipe of size 50 mm.

All as per serial item No.04 above but for pipe of size 80 mm.

Refixing of 20 mm bore old steel tubing and connection in new or old position including cutting threads if required, fittings with old/new bends, elbows, socket, nipple, tapers, and reducers etc as per site requirement and laid in trenches or fixed to walls etc. and testing for leakages, complete all as per specified and as directed by Engineer-in-charge.

All as per serial item No.09 above but for pipe of size 25 mm.

All as per serial item No.09 above but for pipe of size 40 mm.

All as per serial item No.09 above but for pipe of size 50 mm.

All as per serial item No.09 above but for pipe of size 80 mm.

Supply and laying 20 mm bore steel water tubing GI medium grade, in old/new position or in place of PVC/PPR pipe as per site requirement with all fitting, laid in trenches or floors, walls and ceilings and testing for leakages, complete all as per specified and as directed by Engineer-in-charge.

All as per serial item No. 14 above but for pipe of size 25 mm.

All as per serial item No. 14 above but for pipe of size 40 mm.

All as per serial item No. 14 above but for pipe of size 50 mm.

All as per serial item No. 14 above but for pipe of size 80 mm.

S&F in repair gun metal globe or gate valve, with iron wheel head screwed both ends for iron pipe of 20 mm bore including dismantling unserviceable one, complete all as per specified and as directed by Engineer-in-charge.

All as per serial item No. 19 above but for pipe of size 25 mm.

All as per serial item No. 19 above but for pipe of size 40 mm.

All as per serial item No. 19 above but for pipe of size 50 mm.

All as per serial item No. 19 above but for pipe of size 80 mm.

S&F in repair 20 mm ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and as directed by Engineer-in-charge.

S&F in repair 25 mm ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and as directed by Engineer-in-charge.

M&L for repairing of Sluice valves 80mm raising / non raising types after dismentling the same by checking stem, gate/ disc, stuffing box, Seat, Gland packing, gland bush, gland falange, nutbolts, gasket, packing material, threading, welding as required for proper functioning of Sluice valves complete all as specified and as directed by Engineer-in-charge. Note : Quoted rates inclusive of worn out materials which are required to be replace above mentioned items like stem, gate/ disc, Seat stuffing box Gland packing, gland bush, gland falange, nutbolts, gasket, packing materia etc as required for proper functioning of the valves.

M&L for repair/rectification of leakages to water supply distribution lines 20mm/25mm bore GI tubing with provision of necessary excavation, cutting of hard standing, returning and filling in as required, tightening of loose joints of union, elbow, sockets etc, threading if required including replacement of GI unions / sockets / nipples as required at site, complete all as specified and as directed by Engineer-in-charge.

All as per serial item No. 27 above but for GI pipe of size 40 to 63 mm.

All as per serial item No. 27 above but for GI pipe of size 80 mm.

M&L for preparation of old painted brick / stone / plastered surfaces and applying one coat of synthetic enamel paint over a coat of priming paint plaster coat, complete all as specified and as directed by Engineer-in-charge.

Demolition of unreinforced cement concrete in ground floors and pavings nexc 15 cm thickness (below or above ground level) complete all as specified and as directed by Engineer-in-charge.

M&L for hardcore of guage not exc. 63mm deposited, spread and levelled in layers not exc. 15 cm thick, watered and rammed to a true surface of broken stone or boulders, complete all as per specified and as directed by Engineer-in-charge.

M&L for PCC (1:4:8) type D2 ( using 40mm graded crushed stone aggregate) as in foundation, filling and mass concrete complete all as per specified and as directed by Engineer-in-charge.

M&L for brick work with fly ash bricks, straight or curved on plan exc 6m mean radius, built in in CM (1:6), complete all as specified and as directed by Engineer-in-charge.

M&L for brick work with flyash bricks with honeycomb walling built in CM 1:6 complete all as specified and as directed by Engineer-in-charge.

M&L for rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surface finishing even and smooth without using extra cement, complete all as specified and as directed by Engineer-in-charge.

M&L for preparation of old decorated surfaces of ceiling and applying one coat of white wash, complete as specified and as directed by Engineer-in-charge.

M&L for preparation of old decorated wooden surfaces of any description over 10cm width or girth & applying one coat of synthetic enamel paint of any tint, complete all as specified and as directed by Engineer-in-charge.

M&L for preparing old distempared surfaces including washing, rubbing down and stopping and applying one coat of oil bound distemper on walls, complete all as per specified and as directed by Engineer-in-charge.

S&F in replacement of unserviceable woltman type water meter CI old or new position suitable for pipeline of size 40/50mm incl all necessary arrangements like cutting pipeline insertion of flange socket etc, complete all as per specified and as directed by Engineer-in-charge.

S&F in replacement of unserviceable woltman type water meter CI old or new position suitable for pipeline of size 80mm incl all necessary arrangements like cutting pipeline insertion of flange socket etc, complete all as per specified and as directed by Engineer-in-charge.

S&F in replacement FRP scale type conventional water level indicator including graduated FRP scale, mounting bracket, FRP coated GI float, indicator pin, counter weight, S S wire Rope, Float Guide pipe etc, complete all as per specified and as directed by Engineer-in-charge. Make- RMCO/Daclibac/Milton Ray/ Potter & watts. Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum / amendments and general condition of contracts before entry / quoting the rates. Note 2:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount.

HIRA SINGH (BID ID -3418987)

Darjeeling Enterprises (BID ID -3417633)

JALAPAHAR HARDWARE (BID ID -3420353)

RAI CONSTRUCTION (BID ID -3418165)

TSHERING WANGYAL BHUTIA (BID ID -3417343)