REPAIRS AND MAINTENANCE OF SEWAGE LINE IN MARRIED AND OTM ACCOMMODATION AT CENTRAL ZONE UNDER GE (NORTH) BINNAGURI

Amount

Cleaning of blockage of Indian/European type water closet by using hand pump with rubber bucket or by opening the inspection eye by using cleaning rod etc till clear flow of water is observed and finally cleaning the water closet by flush of water complete all as specified and as directed.

Cleaning of blockage of floor/nahani/vermin/Gully trap of wash hand basin/sink/bathrooms/kitchen by using hand pump with rubber bucket or by cleaning rod till clear flow of water is observed complete all as specified and as directed.

Cleaning of blockage of sewer lines of any position by rodding from both sides between two adjacent manholes or from inspection chamber to manhole or from gully trap to inspection chamber or through inspection eye of any depth till clear flow of sewer/water is observed complete all as specified and as directed for the following dia (internal) of sewer pipe lines :-

All as per item Ser No 3 above but for upto 150 mm dia pipe lines complete all as specified and as directed.

All as per item Ser No 3 above but for 200mm dia pipe line complete all as specified and as directed. Note for item No 3:- Unit rate quoted shall deemed to be included of cleaning of shrubs, grass small roots etc, around the manholes, inspection chamber at adjacent to the pipe lines cleaning etc and along sewage lines wherever required or as directed and a coat of white wash to Manhole cover and all round Manholes no extra payment shall be made on this account.

Cleaning of blockage sewer line by breaking/puncturing and opening the blockage of pipe of any bore and depth not exc 3 m with necessary excavation, filling and removal and making good the pipe with PCC 1:3:6 and taking out and removing the solid/foreign material from the sewer line and removing to the distance not exc 50m complete all as specified and as directed.

Taking out of sludge water and semi solid materials/sludge including other foreign materials from manholes of depth as mentioned below and removing & depositing in excavated pit including necessary excavation and returning filling and removal within 150 m distance and allowing initial percolation of sludge water complete all as specified and as directed for the following depth of manholes:-

All as per item Ser No 5 above but depth of manhole upto 1.50 m each complete all as specified and as directed.

All as per item Ser No 5 above but depth of manhole exceeding 1.50 m but not exceeding 3.00 m each complete all as specified and as directed. Note for Item No 5:- Unit rate shall be deemed to be inclusive of taking down of manhole cover & re-fixing the same in position after cleaning complete. Unit rate shall also be inclusive of excavation and earth work and two layer bamboo matting laid over the deposited sludge in the pit and covering the same with lime upto 30cm thickness for not spreading unhygienic nuisance and measurement shall be taken after allowing initial percolation of sludge water.

Cutting and demolition of SWG sewer pipe in damaged portion alongwith concrete bedding including removing from site as directed and S&F new salt glazed stone ware drain pipes, grade ‘A’ placed in position in old sewer line and jointed in cement mortar (1:1) including packing under and haunching against the sides of the new pipes with PCC (1:3:6) type C-2 with using 40 mm graded stone aggregates for the following dia (Internal) of sewer pipe lines:-

All as per item Ser No 6 above but 100 mm dia pipes complete all as specified and as directed.

All as per item Ser No 6 above but 150 mm dia pipes complete all as specified and as directed.

All as per item Ser No 6 above but 200mm dia pipes complete all as specified and as directed.

M&L for repairs holes of rat/mouse to manholes faces/surfaces by making good to wall, PCC benching, drains, channel etc, of section area not exc 150 Sqcm each and depth not exc 25cm each and filling the same with PCC (1:2:4) type B-1 with using 20mm graded stone aggregates and finishing to the surfaces complete all as specified and as directed.

Excavation in trenches not exc. 1.50 m wide and not exc 1.50 m in depth for foundation or for laying of sewage line and getting out in soft/loose soil complete all as specified and as directed.

All as per Ser item No 08 above but depth exc 1.5 m but not exceeding 3.00 m complete all as specified and as directed.

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

Removing surplus excavated soils to a distance not exc. 50 m and depositing where directed at a level not exc. 1.50m above the starting point complete all as specified and as directed.

Demolition of brickwork built in cement mortar including all quoins, arches, pillars etc complete all as specified and as directed.

M&L for brick work with fly ash bricks, straight or curved on plan of any radius, built in cement mortar (1:4) for manholes etc complete all as specified and as directed.

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

M&L for 15 mm thick rendering in cement mortar (1:4) on fair faces of brick work or concrete surfaces, finished even and fair without using extra cement complete all as specified and as directed.

Demolition of plain cement concrete of any description and in any position not other wise specifically provided for complete all as specified and as directed.

M&L for PCC (1 : 3 : 6) type C-2 with using 40 mm graded stone aggregates as in Mass concrete, surface channel/benching/Kitchen waste collection chamber etc complete all as specified and as directed.

M&L 80 mm thick Machine pressed precast concrete interlocking paver block any shape and size conforming to IS 15658-2006 of Grade M-40 with grey cement and no pigment complete all as specified and as directed.

M&L for 25mm thick pre-polished and chemically treated smooth finish exterior grade coloured chequered tile as in path complete all as specified and as directed. Make: Multiwin/Hindusthan pipe Industries (Novely Brand) or techno commercially equivalent make as listed in List of Makes and as approved by the GE.

M&L for Providing precast cement concrete blocks type C1,1:3:6 using 20mm graded stone aggregate. 10cm thick (with plain or interlocking joints as directed), complete as in kerb and setting in cement mortar 1:4 including chamfering complete all as specified and as directed.

Demolition of reinforced cement concrete of any description and in any position not other wise specifically provided for all complete all as specified and as directed.

M&L for pre-cast RCC(1:2:4) type B-1 with using 20 mm graded stone aggregates as in manhole/gully trap cover slab, set in cement mortar (1:6) complete all as specified and as directed. Note : Reinforcement shall be measured and paid separately under relevant item of this Schedule ‘A’.

S&F mild steel Thermo mechanically treated (TMT) bars 8 mm dia, as in reinforcement, cut to length, bent to shape required including cranking, hooking end and binding with and including mild steel wire (annealed) not less than 0.90 mm dia complete all as specified and as directed.

All as per item No 23 here-in-before but 5 mm dia and over upto and including 10 mm dia as in stirrups, spacers and binders complete all as specified and as directed.

M&L for Providing precast factory made Heavy duty manhole cover & Gully gratings of 600x600mm, cover size 700x700x70mm and frame size- 840x840x120mm and setting in cement mortar 1:4 complete all as specified and as directed. Note:- Design and pattern shall be approved by Engr-in-charge /GE at the time of execution of work complete all as specified and as directed.

Taking down CI/PVC/AC soil pipe from wall, trenches of any description including fittings complete all as specified and as directed.

S&F 110mm dia PVC SWR pipes single socked in any length with rubber rings joints laid in trenches or fixed to wall complete all as specified and as directed.

S&F 75mm dia PVC SWR pipes single socked in any length with rubber rings joints laid in trenches or fixed to wall complete all as specified and as directed.

Cutting through brick wall in cement mortar for holes and making good disturbed portion in CM (1:3) or cement concrete (1:2:4) type B-1 as required complete all as specified and as directed.

S & F in repair 110mm dia PVC bends of any radius with acces door complete all as specified and as directed.

S & F in repair 75mm dia PVC bends of any radius with acces door complete all as specified and as directed.

S & F in repair 110mm dia PVC SWR junction single T equal or unequal with acess door complete all as specified and as directed.

S & F in repair 75mm dia PVC SWR junction single T equal or unequal with acess door complete all as specified and as directed.

S & F in repair 110mm dia PVC SWR branch piece double (double Y) equal or unequal with acess door complete all as specified and as directed.

S & F in repair 110mm PVC (SWR) vent cowl complete all as specified and as directed.

M & L 75mm dia PVC floor trap with grating including jointing to waste pipe fixed in cement concrete type B 1 (1:2:4) complete all as specified and as directed.

S & F in repair grating doom 125mm dia with waste hole of PTMT (min wt 40 gms) complete all as specified and as directed.

S&F in repair 32mm dia PVC waste pipe for urinal/kitchen sink/WHB including CP waste coupling 32mm dia including taking down old existing pipe complete all as specified and as directed.

Supply & fixed in repair, Vitreous china bowl urinal flat back, size of 465 x 355 x 265 mm white (minimum) with grating and union for discharge pipe (excl flushing cistern, flush pipe and waste pipe) complete all as specified and as directed.

Supply & fixed in repair, Vitreous china wash down water closet pan (Pedestal pattern) white (excl fixing bolts, flushing cistern and flush pipe) but including plastic water closet seat, closed pattern with flat bottom and cover and mild steel CP or aluminised hinging device complete all as specified and as directed.

M&L for precast factory made specially designed, as approved R.C.C (1:2:4) louvers and jallies of 25 mm thick of size width 0.45 m and height at centre 0.75 m set in cement mortar (1:4) with precast R.C.C. post/frame including preparation of concrete surface and applying two coats of cement base paint over a coat of primer and demolition of existing jallies complete all as specified and as directed. Note: Precast post/frame shall be measured and paid separately.

M&L precast factory made, specially designed, as approved RCC 1:2:4 for slotted posts/frames for louvers and jallies of any size 0.10m x 0.10m and height exc 1.00 m but n exe 1.50 m long embedded in P.C.C. including demolition preparation of concrete surface, applying two coats of cement base paint over a coat of primer complete all as specified and as directed.

M & L for providing precast cement concrete 1:2:4 type B-0 (using 12.5mm graded stone aggregate ) louvers and jallies, 25mm thick (measured solid), including all mouldings and set in cement mortar 1:4 and demolition of old jallies complete all as specified and directed.

M & L for racking out loose brick work joints as in inside vertical inclined surfaces of bricks drains, laid flat and flush pointed the same in cement mortar (1:4) complete all as specified and as directed.

M & L for racking out loose brick work joints as in top horizontal surfaces of bricks drains, laid on edges flush pointed in cement mortar (1:4) complete all as specified and as directed.

Cleaning of blockage in storm water or surfaces water drains with necessary excavation inside the drains carefully not exceeding 1.50 m wide & not exc. 1.50m in depth and getting out all silt mixed with earth and other foreign materials from inside the drains complete all as specified and as directed.

Cleaning of PVC over head water tank of capacity 500/1000 ltrs in existing position at 2/3 stories building and getting out/ taking out and removing the accumulated other foreign/foul materials etc (solid/semi solid) removing the same including writing the date of cleaning in tank surface by White synthetic enamel Paint complete all as specified and as directed.

S&F in repairs 20 mm dia PVC ball cock (PVC float valves) complete high pressure with epoxy coated aluminum rod and high density plastic ball screwed for iron pipe and fixed as required to use reducer and check nut complete all as specified and as directed.

S&F in replacement of PVC Water tank cover for 500/1000 ltr water tank complete all as specified and as directed.

M/S SINHA ENTERPRISE (BID ID -3175135)

BBKundu (BID ID -3174905)

M/S MOHAN KUMAR BANSAL (BID ID -3174829)

SHRI MANOIRANJAN BISWAS (BID ID -3175306)

M/S NIKITA ENGINEERING CO (BID ID -3174775)

M/s. RAMPHAL GARG (BID ID -3174627)

M/S MAJUMDER CONSTRUCTION (BID ID -3175048)