Annual Maintenance Repair and cleaning of Manholes, Septic tank, Sewage Line, Soak Pit,and certain allied works at Mountain Shadow, AF Station under GE(AF) Borjhar

Amount

Demolition of brick work or or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc. but excluding ashlar facings, dressed stone work and precast concrete articles complete all as specified and as directed .

Demolition of cement concrete (unreinforced) in ground floors and paving not exceeding 15 centimetre thickness, (below or above ground level) complete all as specified and as directed.

Demolition of cement concrete ,(reinforced) of any description and in any position not otherwise specifically provided for (reinforcement cut as required to facilitate demolition) complete all as specified and as directed.

Demolition and breaking up drain pipes (slat glazed ware, AC or reinforced concrete) set in cement mortar, in 150 mm internal dia complete all as specified and as directed.

All as per Serial Item No 4 herein above but 100 mm bore complete all as specified and as directed.

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m in depth for foundation, manholes, etc. not exc. 10 sqm on plan and not exc 1.5m in depth including getting out in soft/loose soil complete all as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm in soft/loose soil complete all as specified and as directed.

Removing excavated surplus soil/material not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

M&L for Salt Glazed Stone Ware drain pipe, grade ‘A’ 100 mm bore laid in trenches and jointed complete all as specified and as directed. (Excavation and earth work shall be measured and paid separately).

All as per Serial Item No 9 here-in-after above but 150 mm bore pipe

M&L for 100 mm thick Concrete bed to drain pipes in cement concrete 1:4:8 type D-2 using 40 mm graded stone aggregate including packing under and haunching against the sides of pipes after they are laid and tested for 100 mm bore pipe complete all as specified and as directed

All as per Serial Item No 11 here- in-after above but for 150 mm bore pipe complete all as specified and as directed.

M&L for Brick work with sub class ‘B’ bricks, straight or curved on plan exceeding 6 metre means radius built in cement mortar 1:4 complete all as specified and as directed.

Taking down cement plaster from brick wall including racking out joints, hacking for key and scrubbing down with water, etc. complete all as specified and as directed.

M&L for 15mm thick rendering in cement mortar (1:4) on fair faces of concrete or brick surface, mixed with water proofing compound by weight of cement @ 3% or as per manufacturer's instructions, finished even and fair without using extra cement complete all as specified and as directed. NOTE : WPC shall measured and paid separately.

M&L for 15 mm thick rendering in CM (1:6) on brick work or concrete surfaces of walls, finished the surface even & smooth without using extra cement complete all as specified and as directed.

Supply only integral water proofing compound (ISI Marked) as per latest IS specification complete all as specified.

Material and labour for preparation of newly plastered surfaces of walls and applying two oil bound distemper of approved shade/tint over a coat of alkali resistant primer complete all as specified and as directed.

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

Cutting of saplings of any size from bulidings in any situation and at any height including removal of roots from roofs, walls, etc. including applying root killer chemical as per manufacturer's instructions and making good to disturbed portion with PCC (1:2:4) Type B-0 (using 12.5mm graded stone aggregate), finished with cement mortar (1:4) complete all as specified and as directed.

M&L for Pre-cast RCC (1:2:4) type B-1 (using 20mm graded stone aggregate) as in manhole cover slab and drain cover, set in cement mortar (1:4) with plain faces including necessary form work, etc. complete all as specified and as directed.

M&L for mild steel TMT bars, 6 to 8mm dia, cut to length, bent to shape required, including cranking, bending, spirally for hopping for columns, hooking ends, and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips of quality Fe-500, conforming to IS -1786-1985 complete all as specified and as directed.

Cleaning sewage line of 100mm bore pipe and removing the blockage by means of rodding with and including bamboos, splits/flexible iron wire or concrete malacces rods from manhole to manhole, through pipes from trap to manhole, rendering the system clear and flushing the delogged line with sufficient quantity of water in foul position and removal of sludge/liquid mud or any other obstruction material and deposting out of MOD land with help of covered container and burried in pit and covered with 15cm layer of soil with sprinkling bleaching powder around and over complete all as specified and as directed. Note : Rate quoted shall be inclusive for necessary excavation and earth work for pits under this item.

All as per Srl Item No 23 here-in above but for 150 mm bore pipe

All as per Srl Item No 23 here-in above but for 200 mm bore pipe

Cleaning to blocked Soil Pipe Vertical stack 100/110mm dia by opening inspection eye door of bend/branch pieces, rodding till smooth flow and refixing of door after cleaning including necessary scaffolding, etc. complete all as specified and as directed.

Dewatering and desludging of manhole upto 1.50m in depth from bottom of manhole cover to floor of manhole including working in foul position including sprinkling bleaching powder on internal wall surfaces and upto 50cm wide from end of manhole cover around the manhole and removal of sludge/liquid mud or any other obstruction material and deposting out of MOD land with help of covered container and burried in pit & covered with 15cm layer of soil complete all as specified and as directed. Note : Rate quoted shall be inclusive for necessary excavation and earth work under this item

All as per Serial item No. 27 here-in-before including Note but depth exceeding 1.5m but n. exc 3m deep.

All as per Serial item No. 27 here-in-before but depth exceeding 3m but n. exc 4.5m deep.

Dewatering and desludging of septic tank for 100 users including working in foul position including sprinkling bleaching powder over internal wall surfaces and upto 50cm wide from end of wall around and top of slab of septic tank including removal of sludge/liquid mud or any other obstruction material and deposting out of MOD land with the help of covered container and burried in pit and covered with 15cm layer of soil complete all as specified and as directed. Note : Rate quoted shall be inclusive for necessary excavation and earth work under this item.

All as per Serial item No. 30 here-in-before including note but for cleaning of septic tank for 50 users.

All as per Serial item No. 30 here-in-before including note but for cleaning of septic tank for 25 users.

Cleaning of septic tank for 200 users capacity in running/flowing order without disturbance by removal of all blockage of any type mechanical device system and making fully functional at any location covered by AF Stn Mountain Shadow, Site C', 3AFSR, NKP and MES Area and at any floor complete all as specified and directed. Notes (A) The following elements are included in the unit rate of this item)- (i) Working in foul conditions/positions. (ii) Making good the disturbed position of any during the cleaning. (iii) Removing sludge/waste material/liquid / mud/dirt/silt or other obstruction taking out through container/tanker to a distance exc 5Km and disposal off out off MOD land or as directed. (B) The scope of work comprises of cleaning, removing blockages of various item mentioned therein)

M&L for cleaning of soak well by pumping or any suitable means, dia of soak well exceeding 2.50 m and n. exc 3.00 dia and depth not exc 3.00 complete all as directed by Engr-in-Charge.

Supply and fixing in repairs SWG gully traps square type size (150x100)mm complete all as specified and directed. .

Cleaning to blocked floor/nahani trap and CI/PVC pipe upto 1st manhole and removing all silt, residue sludge both organic and inorganic nature including any type of foreign materials and removing waste materials/sludge, etc. to a distance exc 50m and disposal off out off MOD land or as directed and sealing the sides of traps in bath room/kitchen using Aqua TS of Aqua shield water proofing or equivalent and making good the disturbed position of any during the cleaning to entire satisfaction of Engineer-in-Charge complete all as specified and as directed.

Cleaning to blocked WC trap and CI/PVC pipe upto 1st manhole and removing all silt, residue sludge both organic and inorganic nature including any type of foreign materials and removing waste materials/sludge etc to a distance exc 50m and disposal off out off MOD land or as directed and sealing the sides of traps in bath room/kitchen using Aqua TS of Aqua shield water proofing or equivalent and making good the disturbed position of any during the cleaning to entire satisfaction of Engineer-in-Charge complete all as specified and as directed.

Cutting into existing manhole, 100 mm bore pipe, for connecting new drains making good to pipe and removing cutting out existing benching for and forming branch channel in cement concrete 1:2:4 type B1 using 20 mm graded stone aggregates, smooth finish and re-forming benching complete all as specified and as directed

All as per serial item No 38 here-in-before but for 150 mm pipe

M&L for PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) mixed with WPC by weight of cement or as per manufacturer's instructions as in sunken floor, etc. finished the surface even and fair without using extra cement complete all as specified and as directed.

M&L for cleaning to concrete/plastered surfaces of sunken slab and applying water proofing treatment in the following courses :- (a) Applying bitumen primer @ 0.80 kg/sqm. (b) Applying a tack coat of bitumen 85/25 cofirming to IS-702 @ 1.20kg/sqm. (c) Supplying & laying 150 micron thick polyethylene film of Superior quality. (d) Applying a tack of bitumen 85/25 @ 1.20kg/sqm over polythene film complete all as specified and as directed.

M&L for cement concrete (1:2:4) type B-0 (using 12.5mm graded crushed stone aggregate) as in copings, kneelers, apex stones, bed plates and the like including weathering, slightly rounded, chamfered angle and throating as directed including use and waste of form work (straight or curved) all exposed surface of concrete finished fair complete all as specified and as directed.

Taking down rain water pipes, soil and waste pipes, etc. any size or pattern from trenches/walls, ceiling, etc. including all fittings, bends, etc. complete all as specified and as directed.

S&F for 110mm dia PVC (SWR) pipes, single socketed in any length with rubber ring joints, fixed to walls, etc. complete all as specified and as directed. NOTE : Rate quoted shall deemed to be inclusive with PVC clamps,distance pieces, plugs, holder bats, etc.including cutting, jointing, etc.

S&F as in repairs PVC (SWR) bends of size 110mm bore, any radius complete all as specified and as directed.

S&F 110mm bore PVC (SWR) junction double (double T) equal or unequal with access door complete all as specified and as directed.

S&F as in repairs 110mm bore PVC(SWR) bends any radius with access door complete all as specified and as directed

S&F as in repairs 50mm bore PVC (SWR) pipes, single socketed in any length with rubber ring joints / solvent cement joints fixed to walls complete all as specified and as directed.

S&F as in repairs 50mm bore PVC (SWR) bends, any radius complete all as specified and as directed.

S&F as in repairs vitreous China wash down water closet pan (pedestal pattern), white with 'P' or 'S' trap, plastic seat cover including connection pipe to out going pipe and to flushing pipe, anti symonage pipe, etc. (excluding fixing bolts, flushing cistern and flush pipe) complete all as specified and as directed.

M&L as in repairs for vitreous china squatting pan "Orissa" pattern of size 580mm x 440mm, white with 'P' or 'S' trap, front or back inlet and with integral foot rest including provision of concrete bedding in PCC (1:5:10) type E-2 (using 40mm graded stone aggregate), jointing traps, etc. with "RBR-modified mortar" including priming of joints using "RBR-Cement" slurry including dismantling old existing one and fixed in same position complete all as specified and as directed.

S&F as in repairs vitreous china wash hand basin, white, flat back of size 550 x 400mm including a pair of CI/MS cantilever brackets of size 40x40x5mm embedded in PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) including 32mm dia PVC waste pipe and 32mm chromium plated brass waste fittings with long screwed shanks and fly nuts, flange embedded in red lead cement and other fixed and/or cutting for and pinning in brackets complete all as specified and as directed.

S&F as in repairs 10 litres capacity PVC valveless symphonic action type low level flushing cistern including 32mm dia PVC flush pipe connected to WC with inlet, ball valve, float and handle lever and fixing on walls with bracket complete all as specified and as directed.

S&F as in repairs plastic water closet seat cover, white, closed pattern with flat bottom and cover and aluminium hinging device complete all as specified and as directed.

S&F as in repairs stainless steel grating, 125mm dia round fixed on floor / nahani traps, fixed with cement mortar (1:1) complete all as specified and as directed.

S&F as in repairs PTMT grating, 125mm dia round fixed on floor / nahani trap fixed with cement mortar (1:1) complete all as specified and as directed.

Manual sealing of traps, WC, etc. with neat cement paste after removal of water from it to prevent or make up the leakages including providing cement paste both inside and outside and re-fixing the grating, plasters, etc complete all as specified and as directed.

S&F for 100mm bore Cast Iron floor trap with chromium plated grating including jointing to waste pipe in run lead joint and fixed in cement concrete (1:2:4) type B-1 (using 20mm grades stone aggregate) complete all as specified and directed.

Dismantling floor , hearth or wall tiling including cement mortar bedding (but not backing) and rubbish off the premises

M&L for non skid ceramic tiles (coloured) 7 to 8mm thick (square/rectangular), area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm as in floors, set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles over and including 20mm thick screed bed in cement mortar (1:6) complete all as specified and as directed.

M&L for glazed ceramic coloured tiles of size 350mm x 250mm x 7mm/ 450mm x 350mm x 7mm thick as on vertical surfaces, such as dado, skirtings, etc., set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles over and including 15mm thick rendering screed bed in cement mortar (1:4) complete all as specified and as directed.

M&L for non skid ceremic coloured tiles 7 to 8mm thick (Square/rectangular), area of each tile exceeding 0.18 Sqm but not exceeding 0.38 Sqm, as in floors over and including screed bed or bedding layer 15mm in cement mortar (1:6), set and jointed in neat cement slurry and pointed in white or coloured cement to match the surface complete all as specified and as directed.

M&L for 75mm thick PCC (1:3:6) type C-2, (using 40mm graded stone aggregate) as in hardstanding, and plinth protection etc. surface finished even and fair without using extra cement complete all as specified and as directed.

M&L for factory made 60mm thick machine pressed precast cement concrete coloured, rouber moulded, designer (reflecting type) interlocking paver blocks of Grade M-35 conforming to IS 15658-2006 of shape and size as directed with grey cement and pigment with coloured top laid over and including 50mm thick sand cushioning, joints of blocks filled with dry sand and compacted with mechanical vibrator complete all as specified and as directed.

M&L for Pre-polished chequered cement concrete tiles 30cmx30cmx 25mm thick, set, jointed and pointed in neat cement siurry in floor with white cement and pigments over and including 15mm thick screed bed or bedding layer in cement mortar (1:6) complete all as specified and as directed.

S&F as in repairs PVC connection 450mm long suitable for 15mm bore GI pipe including PTMT nuts on both sides complete all as specified and as directed.

S&F as in repairs hand shower (Health Faucet) (ABS Body) with 8mm dia, 1.2m long flexible tube and wall hook complete all as specified and as directed

S&F as in repairs waste coupling, brass chromium plated of size 32mm dia for wash hand basin complete all as specified and as directed.

S&F as in repairs angular stop cock, 15mm bore, chromium plated, screwed down, high pressure with capstan head and flange complete all as specified and as directed.

S&F as in repairs 32 mm - 40 mm dia PVC flexible waste pipe suitable for wash hand basin, kitchen sink with all necessary fittings complete all as specified and as directed.

M/s Vishnu Enterprises

Ms N D Enterpise

M/s Pragland Abhiyanta