REPAIR / CLEANING OF SEWERS, DRAINS, MANHOLES, SEPTIC TANKS, GREASE TRAPS ETC OF TECH AREA AT 6 WING AF UNDER GE (AF) BARRACKPORE

Amount

Material and labour for cleaning and desluging of existing septic tank of 100 users capacity completely solid/liquid sluge by pumping or any mechanical means from inside of the septic tank and depositing the sluge in excavated pits (required size and depth) to a distance n.exc. 50mtr from the septic tank. Top layers of excavated pit shall be covered by sprinkling bleaching powder @ 200gms/sqm for disinfection purpose complete all as specified and directed. Note : Quoted rates shall be inclusive for excavating of pit and cost of bleaching powder.

All as per item 1.00 above but for 50 users capacity and -ditto-.

All as per item 1.00 above but for 20 users capacity and -ditto-.

All as per item 1.00 above but for 10 users capacity and -ditto-.

Material and labour for cleaning and desluging of existing grease trap of any capacity completely solid/liquid oiling sluge by pumping or any mechanical means from inside of the grease traps and depositing the oily sluge in excavated pits (required size and depth) to a distance n.exc. 50mtr from the grease trap. Top layers of excavated pit shall be covered by sprinkling bleaching powder @ 200gms/sqm for disinfection purpose complete all as specified and directed. Note : Quoted rates shall be inclusive for excavating of pit and cost of bleaching powder.

Material and labour for cleanig and de-silting/desludgeing of blocked sewage pipe line 150 mm dia and any depth including taking out sludge/silt and other foreign materials from sewage pipe line in any depth by rodding with using PVC/Steel rod or split bamboo sticks throughly between adjacent manholes still clearing flow of sewage line is observed, passing knots kamto and disc of required size or pumping out liquid waste / sewage, plugging and diverting the flow to the drain if necessary and stacking the removed silt/slugde in deposits as directed including depositing the sluge in excavated pits (required size and depth) to a distance n.exc. 50mtr from the manholes. Top layers of excavated pit shall be covered by sprinkling bleaching powder @ 200gms/sqm for disinfection purpose complete all as specified and directed. Note : Quoted rates shall be inclusive for excavating of pit and cost of bleaching powder.

All as per item 6.00 above but for 200mm dia of pipe and any depth and -ditto-.

All as per item 6.00 above but for 100mm dia of pipe and any depth and -ditto-.

Material and labour for cleaning and desluging of existing manholes of any size and any depth completely solid/liquid sluge by pumping or any mechanical means from manholes including taking out sludge/silt and other foreign materials from manhole and gully traps of any size and depth by showel, rodding or split bamboo sticks throughly from manholes and clearing still liquid sluge flow between adjacent manholes is observed, passing knots kamto and disc of required size or pumping out liquid waste/sewage, removed from manholes and depositing the sluge in excavated pits (required size and depth) to a distance n.exc. 50mtr. Top layers of excavated pit shall be covered by sprinkling bleaching powder @ 200gms/sqm for disinfection purpose complete all as specified and directed. Note : Quoted rates shall be inclusive for excavating of pit and cost of bleaching powder.

Material and labour for cleaning/chowked EWC/IWC/floor trap/gully trap and minor cleaning of manholes and sewage pipeline etc from inside/outside of the bldg upto first manholes of any type and size as and when complaints occurred including removing and refixing of grating using hand pressure or vacume pressure etc. complete all as specified and directed. Note: a) The contractor shall be responsible for maintain daily job card with deployment of 01 No of Safaiwala by him to obtain signature of IC complaints cell and deposited after complition on daily basis. b) Complaints to be attended in Technical area of 6 wing in different locations. c) The contractor shall be responiable for attending complaints within 24 hours of reciept of complaints fron Engr-in-Charge failing which 50% deduction shall be imposed on quoted rate. d) Payment of safawala shall be deemed to be included in quoted rate by the contractor.

Taking out old broken brick bats from filter beds and soakwells and cleaning the base of filter bed with water and removing all brick bats from soakwell and disposal to a distance n. exc. 50 meter in low laying area complete all as specified and directed.

Material and labour for loose filling with broken brick bats of gauge 80mm to 150mm in filter bed of soakage well, soakage pit complete all as specified and directed.

Material and labour for cutting down vegetation growths like plants/ trees of any girth from roof tops/ sides, external walls of bldgs, chajjas, wall juctions at junction of rain water/ CI waste water pipe junctions including removal of roots and taking out carefully possible quality of concrete in roofs embedded in walls/ slab surfaces making good affected locations and applying approved chemical (herbal medcine) to arrest further growth and making good the distrubed surfaces with PCC (1:2:4) type B-1 or CM 1:2 complete all as specified and directed. Note : The unit rate quoted shall be deemed to include the cost of scaffoloding/ staging from height of upto four storey bldgs.

Demolition of brick work or stone boulder masonry, built in cement mortar including all quoins, arches, pillars etc. including removing of unserviciable material from site complete all as specified and directed.

Material and labour for brick work with sub class `B` bricks, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed.

Taking down cement plaster of any description built in cement mortar on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water etc. and removing debrish from site complete all as specified and directed.

Material and labour for 15mm thick rendering in cement mortar (1:4) on fair faces of brick work and finish the surfaces even and smooth without using extra cement as in wall complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of wall and applying three coat of white wash complete all as specified and directed.

Material and labour for pre-cast RCC (1:2:4) type B1 (using 20 mm graded stone aggregate) in landings, cover slabs, chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces and set in cement mortar (1:4) including demolition of reinforced concrete (reinforcement cut as required to facilitate demolition) and removal of rubbish from site complete all as specified and directed.

Material and labour for mild steel TMT bar 6 to 8 mm dia cut to length bent to shape required, including cranking, bending spirally for hooping ends and binding with and incl. mild steel wire (annealed) not less than 0.9 mm dia or securing with clips. complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 250mm in soft/loose soil complete all as specified and directed.

Rough excavation not exceeding 1.5 m deep and getting out in soft/loose soil complete all as specified and directed.

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

Demolition and breaking up drain pipes of 150 mm bore (salt glazed stoneware, AC or reinforced concrete ) set in cement mortar or 110 mm dia PVC (SWR) pipe complete all as specified and directed.

Material and labour for Reinforced concrete pipes, class NP2, laid and jointed complete with collars laid in trenches 150mm bore complete all as specified and directed.

Supply and fix PVC (SWR) pipes 110mm bore double socketed in any length with rubber ring joints laid in trenches complete all as specified and directed

Material and labour for PCC (1:3:6) type C2 (using 40mm graded stone aggregate) as in concrete bed to drain pipe including packing under and haunching against the sides of pipe 110mm bore after they are laid and tested complete all as specified and directed.

Material and labour for PCC (1:3:6) type C2 (using 40mm graded stone aggregate) as in concrete bed to drain pipe including packing under and haunching against the sides of pipe 150mm bore after they are laid and tested complete all as specified and directed.

Supply and fix in repair PVC (SWR) pipes 110mm bore single socketed in any length with rubber ring fixed to walls complete all as specified and directed .

Supply and fix in repair PVC (SWR) pipes 75 mm bore single socketed in any length with rubber ring fixed to walls complete all as specified and directed .

Supply and fix in repair 110mm bore PVC (SWR) junction single (single T) equal or unequal provided with access door complete all as specified and directed.

Supply and fix in repair 110mm bore PVC (SWR) bends of any radius and provided with access door complete all as specified and directed.

Supply and fix in repair for 110mm bore PVC (SWR) vent cowl complete all as specified and directed.

Supply and fix in repair PVC (SWR) gully trap 125/110 mm, setting and jointing with solvent cement complete all as specified and directed.

Supply and fix in repair 75mm bore PVC (SWR) bends of any radius and provided with access door complete all as specified and directed.

Supply and fix in repair 75mm dia PVC (SWR) floor trap, plain with grating including jointing with solvent cement complete all as specified and directed.

Supply and fix in repair 75mm bore PVC (SWR) bends of any radius complete all as specified and directed .

Supply and fix in repair for 75mm bore PVC (SWR) vent cowl complete all as specified and directed .

Dismantling of floor, hearth or wall tiling including cement mortar bedding (but not backing), and removal of rubbish from the site complete all as specified and directed.

Material and labour for non skid ceramic coloured tiles (premium quality) 7 to 8mm thick (square or rectangular) area of each tile exc. 0.06 sqm but not exceeding 0.11 sqm as in floor etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles laid over and including 15mm thick screed bed in cement mortar (1:6) complete all as specified and directed.

Material and labour for glazed ceramic tiles of size 450x300x7 to 8 mm (premium quality) coloured in vertical surfaces such as riser of steps, skirting, dado and pillar set and jointed in neat cement slurry and pointed in white or coloured cement to match laid over and including 10mm thick cement plaster in cement mortar (1:4) complete all as specified and directed.

Material and labour for joint free anti skid outdoor coloured pavement tiles (good grip series) of size 300 mm x 300mm x 10mm thick, coloured, set jointed and pointed in neat cement slurry with grey cement & pigment as in floor, path etc. and including 15mm thick screed bed in cement mortar (1:6) complete all as specified and directed.

Demolition of cement concrete (unreinforced) in ground floors and paving n.exc. 15cm thick (below or above ground level) and removal of rubbish from the site complete all as specified and as directed.

Material and labour for PCC (1:3:6) type C1 (using 20 mm graded stone aggregate ) as in foundation, flooring, sub base, paving, surface channels, drains complete all as specified and directed.

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred /stopped ends etc complete all as specified and directed. Note:- Only inner girth shall be measured for payment.

Material and labour for 75mm thick PCC (1:3:6) type C-2 (using 40mm graded stone aggregate) as in plinth protection, laid in panels including finishing the concrete surface even and smooth without using extra cement complete all as specified and directed.

Material and labour 75mm thick PCC (1:4:8) type D-2 (using 40 mm graded stone aggregate) as in sub base or base course of floor etc complete all as specified and directed.

Demolition of stone slabs and tiles laid bedded and pointed in any mortar of any description or thickness in floors, aprons etc. complete all as specified and directed.

Material and labour for providing and laying 60mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffic parking etc. of required strength, thickness & size/shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand complete all as specified and directed.

Supply and fix in repair vitreous china squatting pan (Orissa pattern) water closet (white) size 580x440mm with integral foot rests (excluding flushing cistern and flush pipe) complete including connection to trap and flushing pipe antisyphonage pipe etc including provision of PCC (1:5:10) type E2 in filling complete all as specified and directed.

Supply and fix in repair vitreous china white wash down water closet pan (pedestal pattern) (excluding fixing bolts, flushing cistern and flush pipe) with ‘P’ or ‘S’ trap, front or back inlet, fixing bolts and making all necessary connections complete as specified and directed.

Supply and fix in repair plastic water closet seat white closed pattern with flat bottom and cover mild steel chromium plated or aluminium hinging device complete all as specified and directed.

Supply and fix in repair vitreous china white Wash Hand Basin of size 550mmx410mm including cutting for and pinning in including 32mm dia waste fitings cast copper alloy chromium plated with long screwed shanks and flynuts flange and beded in red lead cement, 32mm dia PVC waste pipe 800mm long including 15mm bore fancy type CP finish long body Pillar tap, cast copper alloy with capstan heads, screwed down high presuure, with or without lettered hot or cold with long screwed shanks and fly nuts, screwed for iron/CPVC pipe/fittings complete all as specified and directed.

Supply and fix in repair vitreous china urinals, bowl type, white flat back of size 465x355x265 (back or corner wall type) complete including providing and fixing plugs, bedding urinal against wall in cement mortar 1:2, securing urinal to plugs with and including 60mm long brass screws, pointing around urinal back in cement; fixing automatic flushing cistern with brackets, flush pipe, grating and Union for discharge pipe. (Exclusive of fixing supply pipe to flushing cistern, trap and waste pipe), including 32mm dia CP waste coupling and urinal spreader of PTMT any colour for fixing with 15 mm dia pipe (minimum weight 60gms) complete all as specified and directed.

Supply, hoist and fix 1000 litre capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part- I including 20mm dia ball valve high pressure high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed (minimum weight 210 gm) including dismantling of old unseviciable existing tank complete all as specified and directed.

Supply, hoist and fix 500 litre capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part- I including 20mm dia ball valve high pressure high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed (minimum weight 210 gm) including dismantling of old unseviciable existing tank complete all as specified and directed.

Taking up or down 15 mm bore steel tubing and connections complete all as specified and directed.

Supply and fix 15 mm bore steel tubes medium grade, galvanised, with all fitting and fixed to walls, ceilings, roofs or laid in floors complete all as specified and directed.

Taking up or down 20 mm bore steel tubing and connections complete all as specified and directed.

Supply and fix 20 mm bore steel tubes medium grade, galvanised, with all fitting and fixed to walls, ceilings, roofs or laid in floors complete all as specified and directed.

Supply and fix in repair gun-metal globe or gate valves 20 mm dia with iron wheel head screwed both ends for iron pipe complete all as specified and directed.

Supply and fix in repair 15 mm bore CP fancy type stop valves cast copper alloy, screwed down high pressure with crutch or butterfly handle screwed both,ends for iron pipe or for unions and fixed complete all as specified and directed.

Supply and fix in repair 15 mm bore CP fancy type angle valve, cast copper alloy, screwed down high pressure with crutch or butterfly handle screwed both,ends for iron pipe or for unions and fixed complete all as specified and directed.

Supply and fix in repair 15 mm bore long body bib taps fancy type cast copper alloy chromium plated with crutch or handles screwed down, screwed for iron pipes complete all as specified and directed.

Supply and fix in repair 15mm bore fancy type pillar tap cast copper alloy with capstan heads, chromium plated, screwed down, high pressure with or without lettered hot or cold with long screwed shanks and fly nuts screwed for iron pipe complete all as specified and directed.

Supply and fix in repair health faucet (ABS body) mild steel chromium plated suitable for 15mm dia pipe with 1.25mtr long flexible tube and ABS wall hook including making connection and fixed in position complete all as specified and directed.

Supply and fix in repair 15 mm bore PVC connection pipe 600mm long with PTMT nuts at both ends complete all as specified and directed.

Supply and fix in repair 10 litre capacity PVC valveless, syphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and flush pipe complete all as specified and directed.

Supply and fix in repair 50mm dia Low density polyethylene (LDPE) pipes of pressure rating 6 kgf/sqcm complete all as specified and directed.

Supply and fix in repair 32mm dia waste coupling, fittings, brass, chromium plated for sinks, basins, urinals etc. with long screwed shanks and fly-nuts, flange end bedded in red lead cement including 32 mm bore PVC waste pipe 800mm long complete all as specified and directed.

BARRACKPORE ENTERPRISE (BID ID -3485064)

JADAV CONSTRUCTION (BID ID -3485155)

KUMAR ENTERPRISE (BID ID -3484692)

NC BOSE AND CO (BID ID -3485125)