GE (I) R AND D/CHD-101/2024-25 CERTAIN B/R MAINT FOR VARIOUS OTM ACCN, PATH WORK AND MISC WORKS AT DIHAR LEH

Amount

Demolition of PCC cement concrete above ground floor and paving n.exc 15 cm thick (below or above ground level) unreinforced complete all as specified and directed.

Material and labour for 25 mm thick PCC 1:2:4 type B-1 using 20mm graded crushed stone aggregate as in bedding layer for laying floor finishes complete all as specified and directed.

Material and labour for 100 mm thick cement concrete type B-1, 1:2:4 (20mm graded aggregate) as in pavement finished even and fair complete all as specified and directed.

Material and labour for PVC low level flushing cistern 10 ltrs capacity , valve less, symphonic action type, white, with inlet, ball valve, float and handle, PVC 32mm dia flushing pipe etc., fixed in repair, complete all as specified and directed.

Supply and fixing in repair 15 mm dia pillar taps, cast copper alloy, with capstan heads, chromium plated, screwed down high pressure, with long screwed shanks and fly-nuts, screwed for iron pipe and fixed complete all as specified and directed.

Supply and fixing in repair 15 mm bore chromium plated bib taps, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe complete all as specified and directed.

Supply and fixing in repair 15 mm bore chromium plated stop angle valves, cast copper alloy screwed pressure, with crutch of butterfly handle, screwed both ends for iron pipe for unions and fixed complete all as specified and directed.

Supply and fixing in repair vitreous china squatting pan water closet, orissa pattern, size 580x440mm, white with integral foot rests including 'P' or 'S' trap of same material (excluding flushing cistern and flush pipe), provn of cement concrete/lime concrete and jointing to flush pipe (fixed in repair) and making good to dismantled/damaged tiling floor in cement mortar M-15 (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) complete all as specified and directed

Supply and fixing in repair vitreous china coloured wash down water closet pan (padestal pattern), (fixed in repair), including connection to flush pipe, 'P' or 'S' trap, with fixing bolts PVC seat cover with chromium plated mild steel hinges device (excluding flushing cistern and flush pipe), and making good to dismantled/damaged tiling floor in cement mortar M-15 (1:2:4) type B-1 (using 20mm graded crushed stone aggregated) complete all as specified and directed

Supply and fixing in repair waste coupling PTMT 32mm bore dia of discharge pipe (half or full threaded, minimum weight of 32mm dia 45gms) complete all as specified and directed.

Supply and fixing in repair vitreous China wash basin, white, flat back, size 550x400mm , including cutting for and pinning in ends of brackets , including 32 mm dia CP waste waste fitting and PVC waste pipe of required length complete all as specified and directed.

Supply and fixing in polythene connection of low density polyethylene (LDPE) pipes of pressure rating 2.5 kgf/sqcm, 45cm long with and including two brass union couplings, heavy duty, suitable for 15mm bore pipe, one on each end for connecting polyethylene pipe to GI pipe and fixed complete all as specified and directed.

Supply and fixing in repair brass chromium plated shower rose 125mm size complete all as specified and directed.

Supply and fixing in repair sinks made of stainless steel sheet 1mm thick kitchen or laboratory with plugs, washers and wastes; including bedding in cement mortar on to dwarf wall or including fixing cantilever brackets and connecting union to pipe, overall size 485mm x 420mm bowl size 410mm x 330mm x 160mm complete all as specified and directed.

Supply and fixing in repair sinks with drainage board made of stainless steel sheet 1mm thick kitchen or laboratory with plugs, washers and waste; including bedding in cement mortar to dwarf wall or including fixing cantilever brackets and connecting union to pipe overall size 915mm x 460mm bowl size 410mm x 330mm x 160mm complete all as specified and directed.

Supply and fixing in repair grating doome 100mm dia of PTMT complete all as specified and directed.

Supply and fixing in repair 20 mm bore Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high-density plastic ball screwed for iron pipe and fixed. (minimum weight 15mm-142 gms/ 20mm-210 gms/25mm-455gms/ 40mm- 690 gms) complete all as specified and directed.

Supply and fixing in repairs waste fittings 32mm dia brass CP for glazed ware sinks basins etc with long screwed shanks and fly nuts flange end bedded in red lead complete all as specified and directed.

Supply and fixing in repair aluminium (die cast) body door closer hydraulically regulated designation No.3 universal type suitable for aluminium door shutters of width 851 to 1000mm and of weight between 61 to 80Kg complete all as specified and directed.

Supply and fixing for double action floor spring hydraulically regulated made out of minimum 1.25mm thick aluminium alloy sheet foundation box, main body with stainless steel cover governing pivot made of brass, other parts made of MS heavy duty and fixed complete all as specified and directed.

Supply and fixing in repair sheet glass shelf assembly consisting of 5.5mm thick sheet glass shelf 12cm wide with chromium plated bracket guard and railing 60cm long complete all as specified and directed.

Material and labour for replacement of glazed ceramic coloured tiles in vertical surface 350x250mmx7mm/ 450X350X7mm /450x300x7mm thick, set and jointed in neat cement slurry and pointed in white or coloured cement to match including 15 mm thick rendering in cm 1:6 on stone masonry wall to receive vertical tiles complete all as specified and directed.

Material and labour for replacement of non skid coloured ceramic dark tiles of size 7-8 mm thick area of each tiles exceeding 0.11 Sqm bur not exc 0.18 sqm (400x400mm) as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement with pigment to match the shade of tiles over and including 20 mm thick screed bed in cm 1:6 complete all as specified and directed.

Material and labour for precast cement concrete block masonary with solid blocks exc 10cm in width type C1, 1:3:6 (using 20mm graded aggregate) in Cm 1:6 including taking down old u/s complete all as specified and directed.

Material and labour for 15mm thick rendering in CM 1:4 to stone wall surfaces finished even and smooth w/o using extra cement complete all as specified and directed.

Material and labour for preparation of newly plastered surfaces and applying two coats of cement base paint complete all as specified and directed.

Taking up or down 15mm bore steel tubing and connections including cleaning for refixing or removing to store complete all as specified and directed.

Supply and fixing for 15 mm bore steel water tubing galvanised 15mm bore, medium grade fixed to walls and ceiling or in floor complete all as specified and directed.

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

Taking up or down 20mm bore steel tubing and connections including cleaning for refixing or removing to store complete all as specified and directed

Supply and fixing for 20mm bore steel water tubing galvanised, medium grade fixed to walls and ceiling or in floor complete all as specified and directed.

Refixing 20 mm bore old steel tubing and connection in new or old position ( walls, ceiling, floors etc) complete all as specified and directed.

Supply and fixing in repair brass chromium plated tubular towel rail 20 mm dia D type 60 cm long between flanges complete all as specified and directed.

Supply and fixing in repair continuous (piano) hinges mild steel bright finish or electrogalvanized 30mm flaps complete all as specified and directed.

Supply and fixing for replacement of 500 ltrs capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and directed in SSR Part I.

Supply and fixing for replecement of 1000 ltrs capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and directed in SSR Part I

Supply and fixing in repairs 15 mm brass CP mixer for mixing hot & cold water screwed down for iron pipe and fixed complete all as specified and directed.

Supply and fixing for replacement of GI frame work 605x605mm for seamless ceiling comprising of GI perimeter channel 0.55mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screws at 450 mm centre to centre / intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit / tie / purlins etc, at approx 900 mm centre to centre with GI cleat and steel suspenders of appropriate size fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre, including provision of 4 mm thick non-asbestos fibre cement board, ISI marked, fixed to snap grid frame works 605 x 605 mm as in ceiling, flat or sloppy as per manufacture's instructions, complete all as specified and directed.

Material and labour for 100 mm thick PCC (1:2:4) type B1 using 20 mm graded stone aggregate as in flooring incl finishing the concrete surface smooth & even without using extra cement complete all as specified and as directed.

Material and labour for precast machine pressed concrete interlocking paver blocks any shape and size conforming to IS 15658-2006 of 60 mm thickness, M 35 grade. with grey cement and pigment complete all as specified and as directed.

national engineering (BID ID -3242041)