Annual Maintenance, Repair and Cleaning of Sewage Line, Septic Tank, Manhole, Soak Pits in Tech and Domestic Area at 19 Wing AF Stn under GE(AF) Borjhar

Amount

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

Demolition of cement concrete (unreinforced) in ground floors and pavings n exc 15cm 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 150mm internal dia of drain pipes (salt glazed ware, AC or reinforced concrete) set in cement mortar complete all as specified and as directed.

All as per Serial Item No 4 here-in-before but 100mm internal dia pipes.

Taking down cement plaster of any description from brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water etc. complete all as specified and as directed.

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m depth for foundation, manhole, 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.

Excavation in trenches exceeding 1.50m wide and not exceeding 3.00m in depth for foundation, manhole, etc. not exc 10 Sqm on plan and not exc 3.00m 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 25 centimetre 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 100mm bore reinforced concrete pipe, Class NP3, laid and jointed in cement mortar (1:1) with collars complete all as specified and as directed. Note : Excavation and earth work shall be measured and paid separately.

All as per Serial Item No 11 here-in-before including note but 150mm bore pipe.

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

All as per Serial Item No 13 here-in-before but for 150mm bore pipe.

M&L for plain cement concrete (1:4:8) type D-2 (using 40mm graded stone aggregate) as in foundation filling and mass concrete, etc. complete all as specified and as directed.

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

M&L for plain cement concrete (1:3:6) type C-2 (using 40mm graded stone aggregate) as in surface channel, drain, etc complete all as specified and as directed.

M&L for for PCC (1:2:4) type B-1 (using 20mm graded stone aggregate) as in copings 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 (1:6) complete all as specified and as directed.

All as per Serial item No. 19 here-in-before but except bricks. Note : Old serviceable bricks obtained from Serial item No. 1 above shall re-used.

M&L for brick work with sub class 'B' bricks, straight or curved on plan to any radius in half brick thick wall built in cement mortar (1:4) complete all as specified and as directed.

M&L for rendering 15mm thick plastering on fair faces of brick work or concrete surface in cement mortar (1:4) mixed with WPC by weight of cement or as per manufacturer's instruction and finished the surfaces even and smooth without using extra cement complete all as specified and as directed Note : WPC will be measured and paid for separately.

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

Supply only integral water proofing compound as per latest IS specification complete all as specified and as directed.

M&L for preparation of new plastered surfaces of walls and applying two coats of cement base paint complete all as specified and as directed.

M&L formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200m thick (Horizontal or sloping) rough finished, flat concrete surfaces complete all as specified and as directed

M&L for pre-cast cement concrete cover slab for manhole and drain cover in plain cement concrete (1:2:4) type B-1 (using 20mm graded stone aggregate) set in cement mortar (1:4) with plain faces complete all as specified and as directed

S&F TMT bars 10mm dia and over, cut to length, bent to shape reqiured, including cranking, bending spirraly for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9m dia or securing with clips complete all as specified and as directed.

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

All as per Serial Item No. 25 here-in-before but for 150mm bore pipe.

Cleaning of 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.

S&F as in repairs SWG gully traps, square type of size 150x100mm complete all as specified and as directed. .

Taking down/removing gully trap covers from waste pipes of kitchen and bathrooms, removing blocked and waste materials, cleaning and re-fixing the gully trap covers complete all as directed and as directed.

Cleaning manhole by taking out sludge in semi liquid/solid stage (including all water, etc.) from inside of manhole of depth not exceeding 1.5m and removing the sludge to a distance not exceeding 50m depositing in trenches including supply and sprinkling of bleaching powder and covering sludge with earth to a thickness not less than 30cm including necessary earth work such as excavation, returning filling, removal of surplus soil and temporary cleaning complete all as specified and as directed.

All as per Serial item No. 34 here-in-before but for cleaning of septic tank, 100 users up to any depth.

All as per Serial item No. 34 here-in-before but for cleaning of septic tank, 50 users up to any depth.

All as per Serial item No. 34 here-in-before but for cleaning of septic tank, 25 users up to any depth.

M&L for dewatering and desludging of septic tanks of 200 users capacity, using mechanical device system, dewatering sludge water and removing sludge/waste material, etc. through container/tanker to a distance exc. 5 KM where directed complete all as specified and as directed.

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

S&F as in repairs 75mm bore PVC (SWR) bends, any radius 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 110mm bore PVC (SWR) branch piece, double (double' Y') equal or unequal with access door complete all as specified and as directed.

S&F as in repairs 110mm bore PVC (SWR) junction double (double 'T') equal or unequal with access door omplete all as specified and as directed.

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

Taking down 110/75mm bore AC/PVC rain water, soil and waste pipe, etc. from trench/wall/ceiling including fittings and fixture complete all as specified and as directed.

S&F as in repairs 75mm dia PVC (SWR) pipes, single socketed in any length with rubber ring joints, fixed to walls complete all as specifiec and as directed.

All as per Serial item No. 46 here-in-before but 110mm dia PVC (SWR) pipes.

M&L for 75mm outlet dia cast iron floor trap, with grating including jointing to waste pipe fixed in cement concrete(1:2:4) type B-1 (using 20mm graded stone aggregate) omplete all as specified and as directed.

All as per Serial item No. 48 here-in-before but 100mm outlet dia.

S&F for vitreous china squatting pan 'Orissa' pattern of size 580x440mm, white, with integral foot rest, 'P' or 'S' trap, front or back inlet including connection to trap and to flushing pipe, anti syphonage pipe, etc. including making good to floor as existing complete all as specified and as directed.

S&F vitreous china wash hand basin, white flat back of size 550x400mm including brackets, cutting for pinning in ends of brackets or erecting stands also including brass chromium plated waste coupling 32mm dia, PVC waste pipe of adequate length and dia including 15mm dia PVC connection pipe 450mm length with brass CP nuts on both sides, PVC washers, fixed as in repairs complete all as specified and as directed.

S&F as in repairs pillar taps,15mm dia, fancy type 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 omplete all as specified and as directed.

S&F as in repairs 15mm dia bib taps, cast copper alloy, chromium plated, fancy type with capstan head long body and cup, screwed down for iron pipe complete all as specified and as directed.

S&F as in repairs PVC low level flushing cistern, 10 litres capcity, valve less, duel symphonic action type, white, with inlet ball valve flat and handle including PVC flush pipe 32mm bore and mild steel brackets, made out of angle iron of size 25x25x3mm thick, required length, fixed to wall with PCC (1:2:4) type B-0 (using 12.5mm graded stone sggregate) omplete all as specified and as directed.

S&F as in repairs viterous china wash down water closet pan 'Pedestal Pattern' white with seat cover white closet pattern with flat battom and cover mild steel chromium plated or aluminium anodised hinging device and joints etc. and connection to drain, flushing, pipe, anti symphonage pipe and fixing arrangements with fixing bolts, etc. including making good to the disturbed portion of floor in cement concerete (1:2:4) type B-0 (using 12.5mm graded stone aggregate) omplete all as specified and as directed.

S&F as in repairs angle stop valve, 15mm dia, fancy type, chromium plated, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for unions and fixed complete all as specified and as directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises omplete all as specified and as directed.

M&L for 100mm thick PCC (1:4:8) type D-2 (using 40mm graded aggregate) as in sub base to flooring complete all as specified and as directed.

M&L for non skid ceramic coloured tiles exceeding 0.06 sqm but n. exc. 0.11 sqm premium type, fixed in floors, etc. and jointed in neat cement slurry and pointed in coloured cement to match with the coloured tiles over and including 15mm thick screed bed in cement mortar (1:6) complete all as specified and as directed.

M&L for Glazed ceramic coloured tiles in vertical surfaces such as dado, skirtings, etc. of size 350x250x7mm/400x200x7mm thick, set and jointed in neat cement slurry and pointed in white or coloured cement ot match over and including 15mm thick screed bed in cement mortar (1:6) omplete all as specified and as directed.

M&L for prepolished chequered cement concrete tiles of size 30cmx30cmx20- 25mm thick, set, jointed and pointed in neat cement siurry in floor with grey cement and pigments over and including 15mm thick screed bed or bedding in layer in cement mortar (1:6) complete all as specified and as directed.

M&L for 20mm thick granite (of any type) work (table rubbed and polished) in steps, jambs, pillars, window cills, cooking plateforms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shed of granite over and including 15mm thick screed bed or bedding layer in cement mortar (1:6) omplete all as specified and as directed.

M&L for filling of soak well with new brick bats of size 40mm to 80mm complete all as specified and as directed.

S&F as in repairs vitreous china urinal bowl type, flat back or angle back type, size (465x355x265m) or (430x370x340mm) complete including providing and fixing plugs, bedding urinal against wall in cement mortar (1: 2), screwing urinal to plugs with and including 60mm long brass screws pointing around urinal back in cement mortar complete all as specified and as directed.

S&F as in repairs chromium plated hand shower (Health faucet) with 8mm dia, 1 metre long flexible tube and wall hook with NRV (Black flow preventor) omplete all as specified and as directed. Make : Jaquar, Cat No ALD CHR -583 or equivalent model from make as specified in Particular Specifications.

Taking out steel water tubing and connections including cleaning for refixing or credit to the contractor of 15mm bore of pipes omplete all as specified and as directed.

All as per Serial item No. 67 here-in-before but 20mm bore pipes

S&F 15mm bore tubes, galvainzed steel, medium grade, with all fittings and fixed complete on walls and ceilings or laid in floors, etc. complete all as specified and as directed.

All as per Serial item No. 69 here-in-before but 20mm bore pipes

KUNDAN ENGINEERS AND BUILDERS

M/s Vishnu Enterprises

M/S PANKAJ SUPPLY SYNDICATE

Arpara Trade Agency

Ms Sukumar Talukdar and Co.

Purbanchal Construction Co

G.R CONSTRUCTION