COMPREHENSIVE REPAIR OF STRUCTURAL MEMBER TO MARRIED AND CERTAIN SINGLE LIVING ACCN INSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

Taking down cement plaster in any description on brick or stone wall etc incl racking out joints. hacking for key scrubbing down with water etc complete all as specified and directed.

Demolition of brick work or stone/boulder masonary built in cement mortar incl all quions arches pillars etc complete all as specified and directed.

Demolition of cement concrete (un-reinforced) in ground floors and paving not exceeding 15cm thick above or below ground level complete all as specified and directed.

M& L for demolition of reinforced cement concrete roofs , floors. or beams, staircase, landings, chajjas, and similar suspended works etc complete all as specified and directed.

Dismantling of timber scantling 40 Sqcm and over in section in unframed work and any position complete all as specified and directed.

Dismantling Structural steel wok incl grills ,gates, stair case etc but excluding framed truss complete all as specified and directed.

M&L for brick work with flyash bricks (with Old Size Bricks), Straight or Curved on Plan exc. 6.0 Metre mean Radius, built in Cement Mortar 1:6, complete all as specified and as directed.

All as per ser Item No 07 above but except bricks complete all as specified and directed.

M&L brick work with flyash bricks, (with Old Size Bricks),straight or curved on plan to any radius in half brick thick walls built in cement mortar 1:4 complete all as specified and directed.

M&L rendering 15 mm thick cement plaster in two layer each of 10+5 mm thick on fair face of brick work or concrete surface in CM (1:4) & water proofing compound mixed with second layer @ 3% finished fair and even. complete all as specified and directed. ( Note -W.P.C. shall be measured and paid separately . )

Supply only integral water proofing compound all as specified and as directed.

M&L for 15 mm thick rendering in CM (1:6) on other than fair face of brick or concrete surfaces finishing even and smooth without using extra cement complete all as specified and directed.

M&L rendering 10 mm thick in CM 1:3 on ceilings finished even and smooth without using extra cement (up to ceiling height of 6 to 7m )incl necessary arrangements for execution of the work) all as specified and directed.

Providing, cement concrete in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in SSR Item 04028, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed.

M & L, RCC Type B1 1:1.5:3 (20 mm graded aggregate) for Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and Chajjas and in shelves and the like all as directed by Engr-in Charge (Upto 4th story bldg).

M&L reinforced cement concrete1:1.5:3 type A1 using 20mm graded stone aggregate as in beams, cantilevers, bressummers, Lintels over 1.5 m span etc complete all as specified and as directed.

M&L RCC 1:1.5:3 ( Type A 1 ) using 20 mm graded aggregate as in chajja etc complete all as specified and as directed.

Use and waste of form work to soffits of suspended slab such as roof slab, floor slab, landing and similar work not exceeding 200mm thick surface horizontal or sloping, fair finished surface of concrete, all as specified . (Upto 4th story bldg)

M& L for form work to rough finished flat surfaces as in sides and soffits of beams, lintels, coping etc complete all as specified and as directed.

Use and waste formwork to chullah hoods , chajjas, troughs, shelf and similar work etc including edges , rough finished surface of concrete all as specified and directed.

M&L mild steel TMT bars 10mm dia and over cut to length, bent to shape required, including cracking, bending, spirally for hopping for columns hookings ends and binding with and incl mild steel wire (annealed) not less the 0.9mm dia or securing with clips complete all as specified and as directed.

All as per item No.21 but 5 mm dia and over upto and including 10 mm dia in stirrups, spacers and binders complete all as specified and as directed.

S & F for article exc 5 kg each cast iron work grade FG 150, unmachined, in brackets, gully traps, gratings, railing, frames, manhole covers, fire and soot doors, dampers, stop valve boxes, gate stops, parts of ranges, balusters and similar article complete all as specified and directed.

M & L for cutting grooves in brick wall, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 complete all as specified and as directed.

Chipping of unsound/weak concrete materials including cover plaster from RCC structural member i.e slabs, lintel, chajja fin, facia etc. 25mm average thickness including tapering all edges, making square shoulders of cavities air and cleaning of exposed concrete surface of lightly picking materials by manual method including foreign material, loose concrete/ aggregate etc and disposal of all debris out side of MOD land and complete including proper scaffolding and all safety precautions all as specified and directed.

M&L for applying chloride free rust removing chemical on rusting steel reinforcement bar as per manufacturer's specification and removing all rust from steel reinforcement bar by wire brush & sand/emery paper (after 24 hours of application of rust remover) and cleaning the area thoroughly by water with the help of pressure jet and allowing it to dry and making the reinforcement bar totally rust free and application of two component epoxy based zinc rich primer, of minimum specific gravity 1.75, adhesive bond strength with steel as 1.50N/mm2, as a protective coating to steel reinforcement bars in concrete with total zinc content in dry film >90% by volume and DFT per coat >50 microns complete including proper scaffolding and all safety precautions all as specified and directed. (Make of Rust removing chemical :- Reebaklens RR of FOSROC or equivalent product other makes specified in tender) (Make of primer- Nitozinc primer of FOSROC or equivalent product in other makes specified in tender) (NOTE: Surface area of affected RCC member shall be measured for payment)

M&L for introducing RCC with new TMT reinforcement bars upto 12 mm dia for structural connection in RCC beams, columns, lintel and slabs (for any storey/ height of building/ structure) including power drilling holes of appropriate diameters in reinforced or plain cement concrete to a minimum depth of 150mm and up to 200mm including power drilling, fixing the reinforcement in position using epoxy, cleaning of loose dust by blowing air, sealing with epoxy cartridges, plastic nozzles etc as per manufacturer's instructions etc., including proper scaffolding and all safety precautions all as specified and directed. (Make of epoxy chemical :- Lock fix E75 of FOSROC / Hilti HY 150 or equivalent product other makes specified in tender) (NOTE: Quoted rate is deemed to be inclusive of the cost of reinforcement bars)

M&L for applying a coat of epoxy bonding agent on existing concrete surfaces, with mixed density 1.48 Kg/litre and adhesive bond strength>2.50 MPs, mixed and applied as per manufacturer's specifications complete all as specified and directed. (Make- Nitobond EP of FOSROC or equivalent product in other makes specified in tender) (NOTE: Measurement shall be considered for the entire surface area of affected RCC member

M&L for applying shrinkage controlled, polymer modified, fibre reinforced cementitious repair mortar, as per manufacturers instructions to get a compressive strength of 35 MPA after 28 days, finishing surfaces even and smooth including formwork, scaffolding etc complete all as specified and directed. (Make- Rendroc SP 40 of FOSROC or equivalent product in other makes specified in tender) (NOTE: Measurement shall be considered for the entire surface area of affected RCC member

S & F in repairs wire netting of mild steel wire 1.4mm dia with 20mm mesh size fixed with tinned tacks of stainless steel wire staples Complete all as specified an directed.

Dismantling of Wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/ blankets, any thickness, including cover fillets all as specified

M&L False ceiling with 'E' board "Classic" , reinforced, designer series, board with HPSC of size 600 mm x 600 mm x 4 mm thick fixed on aluminium powder coated snap grid to support the boards/files with aluminium anodised main 'T' section 36mm x 25mm x 1.40mm cross tee 23.50mm x 23.50mm x 1.40mm thick and aluminium angle 25mm x 25mm x 1.40mm as on edges/sides including hanging arrangements with 1.6mm dia GI wire and anodised adjuster and applying two coats of oil bound distemper over a coat of alkali resistant primer on exposed surfaces complete as all as specified and as directed

Refixing false ceiling ( obtained from Item No-86)with 'E' board "Classic" , reinforced, designer series, board with HPSC of size 600 mm x 600 mm x 4 mm thick fixed on aluminium powder coated snap grid to support the boards/files with aluminium anodised main 'T' section 36mm x 25mm x 1.40mm cross tee 23.50mm x 23.50mm x 1.40mm thick and aluminium angle 25mm x 25mm x 1.40mm as on edges/sides including hanging arrangements with 1.6mm dia GI wire and anodised adjuster and applying two coats of oil bound distemper over a coat of alkali resistant primer on exposed surfaces complete as in repair, all as specified and as directed

Dismantling of plain or corrugated sheeting , any guage, thickness and including Naintital or similar pattern roof coverings complete all as specified and directed.

S & F of pre-painted color galvatume aluminium zinc coating GI based corrugated steel sheet sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws complete all as specified and as directed.

S&F Pre-painted galvalume of aluminium and zinc alloy coating with steel based plain sheet 0.50mm of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall / eave board , fixed with self tapping screws complete all as specified and as directed.

S&F 0.56 mm thick plain aluminium sheeting alloy 31000 H4 as in ridges, hips, valley gutter, drip and straight flashing etc complete all as specified and as directed.

S & F in repair 2 mm thick fibre glass reinforced translucent corrugated / Plain sheeting with side lap fixed with L-type or J and self tipping screw cranked hook bolts and washer in roof, Sky light roof, wall etc complete all as specified and as directed.

Cutting hole in brick wall built in cement mortar exceeding half brick but n exc. One brick but n exc two bricks for inserting hold fasts, rafters, purlins, similar works etc. and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 type B-1 using 20 mm graded stone aggregate complete all as specified and directed.

M&L in repair expanded metal cut to length bent to shap required and tying with and including annealed mild steel wire not less than 0.9mm dia weight n exc 4 Kg/Sqm or fixing with galvanised steel staples fixed to wooden of steel frame including rebating etc complete all as specified and directed.

Supply and fixing for structural steel work Fe 410-W (Gde-E-250) rolled mild steel in joist, channel, angle or Tee section fixed independently etc up to height 4 to 6 mtr from each floor level (cut to ordinary length i.e. within 20mm of the length indicate) Gde Fe-410-W-(Gde-E-250) Quality-B including using former iron props and steel plates to existing RCC over head members like beams, slabs etc so as to ensure safety of existing structure and floor during repairing works complete all as directed by Engr-in-Charge. Note: The section to be provided under this item will be used as beam to support floor/roof.( Note : the item execute

Fixing only old Joist, channel angle of beams etc cutting with suitable size complete all as specified and directed.

S&F mild steel screws bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends , each screwed end to be fitted with washers and one hexagonal or square nut , length of bolts exc 15 cm n. exc 22.5 cm and diameter of shank 11 to 15 mm complete all as specified and directed .

S & F mild steel in framed work such as grills, gratings, etc. with ends of bars shouldered and /or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 all as specified and directed by Engineer-in-Charge.

M&L for up rooting of tree from walls of bldgs up to extranded root and spraying of acid of required quantity complete from any location of bldg up to any height stories and above and making good disturbed surface with cement mortar (1:4) or cement concrete type C1 (1:3:6) using 20mm graded aggregate etc complete complete all as specified and directed.

M&L for preparing new plastered surfaces of walls and applying two coats of cement based paint over a coat of alkali resistant primer complete all as specified and as directed.

Material & labour for preparing new plastered surfaces of walls by washing, rubbing down stopping of painted surfaces and applying two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 5489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over new surfaces. complete all as specified and as directed.

M & L preparation of new plaster surface of walls etc and applying three coats of white washing complete all as specified and directed.

M & L preparation of new plaster surface of ceiling etc and applying three coats of white washing complete all as specified and directed.

M&L for preparation of old treated/painted surfaces of walls and soffit of chajja, roof slab etc., by cleaning, brooming, rubbing and scrapping as required using broom, emery paper, putty blade/scraper as applicable to make the surface free from loose paint, algae formation, dust etc including necessary safety & protective measures such as safety belt, headgear etc including filling cracks upto 5mm with and including suitable elastomeric crackfill paste and applying one coat of weather proof exterior emulsion paint of approved make using airless spray technology capable of operating single spray gun with hose of adequate length and necessary scaffolding for upto 4 storey building height complete all as specified and directed.

Material & labour for preparing old decorated plastered surfaces of walls and applying one coat of cement based paint complete all as specified and directed

Material & labour for preparing old decorated plastered surfaces of ceiling and applying one coat of white wash complete all as specified and as directed

M&L preparation of new or previously untreated steel and iron surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

M & L applying one coats of synthetic enamel paint on old steel surface of any description over 10 cm width or girth complete all as specified and directed.

M&L 75 mm thick P.C.C. (1:3:6) type ‘C2’ using 40 mm graded stone aggregate as in plinth protection , foot path etc finished the surface even & smooth without using extra cement all as specified and directed.

Forming for contraction ( Dummy ) joints 65 mm deep and 10 mm wide filled with sealing compound grade " A all as specified.

Taking down eaves gutter and rain water pipe ( any size or pattern ) incl all fittings, heads, shoes, bends, swan needs etc incl cleaning or removal to store(measured overall as fixed along the centre line over fitting and accessories) complete all as specified and directed.

S&F cast iron , rain water socket pipes 150mm bore (dia), Sand Cast, in any Length with Ears, with Cement Joints in Cement Mortar 1:1, fixed to Walls complete all as specified and as directed.

S&F 150mm dia CI bends or elbows, square or obtuse complete all as specified and as directed.

S&F 150mm dia CI double branch pipe( Tee Section) complete all as specified and as directed.

S & F bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required and similar small articles conforming to Fe-290 Gde-E-165 complete all as specified and directed.

S&F cast iron , rain water socket pipes 100mm bore (dia), sand cast, in any Length with Ears, with Cement Joints in Cement Mortar 1:1, fixed to Walls complete all as specified and as directed.

S&F 100mm dia CI bends or elbows, square or obtuse complete all as specified and as directed.

Taking out compete existing roof treatment from roof surface & roughening of old concrete floor surfaces including cleaning the roof surfaces by brushing sweeping etc and removing rubbish material complete all as specified and directed.

Material and labour for providing cement concrete (1:2:4) type BO using 12.5mm graded crushed stone aggregate as over roof for making good depression/undulation to make the existing as filling in depression of roof slab and roof kerb complete all as specified and directed.

M & L for cutting Grooves in brick wall, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 or cement concrete 1:2:4 type-B1 as required.

M&L rendering 10 mm thick screed bed on concrete surface in CM (1:4) & water proofing compound mixed with @ 3% finished fair and even. ( Note -W.P.C. shall be measured and paid separately.)

M & L for brushing neat cement slurry with 3.0 Kg of cement per Sqm complete all as specified and directed.

M & L for water proofing treatment on existing cleaned RCC roof with following specification and manufacturer Instruction complete all as specified as directed. (a) Applying hot blown bitumen primer confirming to IS-3384-1986 over the cleaned plaster surfaces as per IS-3067-1966. (b) Applying a layer of APP based polymeric membrane 3.0mm thick (minimum) weighing 3.0 Kilogram per sqm (reinforced with polyster non oven fabric weighing not less than 160 Gmss per sqm by torch application. The over laps shall be minimum 100mm on the transverse direction and 75 mm on longitudinal direction. (c) applying one coat of aluminium paint @ 0.10 Litre per Sqm Over APP based Polymeric membrane.

S&F in repair of 1000 ltrs capacity three layered rotational moulded polyethylene water storage tanks (Cylindrical verticle with closed top) hoisted and fixed in position including suitable float valve and tank cover complete all as specified and directed

S&F 20 mm ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe mini weight 142 grams complete all as specified and directed.

Disconnecting of old serviceable PVC tank (exceeding 500 ltr cap) setting aside (or lowering if required) including repair cleaning etc and hoisted in same location including reconnection and refixing for proper functioning of over head tank complete all as directed.

S&F of 15mm dia bore steel water GI tubes medium grade with all fittings and fixed concealed to walls, ceilings or laid in floors complete with and including taking up or down 15mm bore steel water tubing and connections complete all as specified and directed

S&F of 20mm dia bore steel water GI tubes medium grade with all fittings and fixed concealed to walls, ceilings or laid in floors complete with and including taking up or down 20mm bore steel water tubing and connections complete all as specified and directed

S&F of 25mm dia bore steel water GI tubes medium grade with all fittings and fixed concealed to walls, ceilings or laid in floors complete with and including taking up or down 25mm bore steel water tubing and connections complete all as specified and directed

Supply and fixing in repair of stop valves 20 mm dia cast copper ally, screwed down, high pressure with crutch or butterfly handle, screwed both ends or iron pipe or for union and fixed complete of following size complete all as specified and directed.

Supply and fixing in repair of stop valves 25 mm dia cast copper ally, screwed down, high pressure with crutch or butterfly handle, screwed both ends or iron pipe or for union and fixed complete of following size complete all as specified and directed.

Demolition and breaking up drain pipes internal dia 110/100 mm (PVC , salt glazed ware, AC or Reinforced concrete) set in cement mortar complete all as specified and as directed.

Supply & Fixed PVC (SWR) Pipe 110 mm bore single socketed in any length with rubber ring joints fixed to walls complete all as specified and as directed.

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

S&F in repairs PVC (SWR) junction single, (single T) 110 mm bore equal or unequal complete all as specified and as directed.

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ.

DUTTA & DUTTA (BID ID -3190935)

PRABIR TRADERS (BID ID -3191155)

JAGATMATA ENTERPRISE (BID ID -3192855)

GHOSH ENTERPRISE (BID ID -3190979)

UNITED ENGINEERS (BID ID -3192849)

JOY RAM ENTERPRISE (BID ID -3192767)

MS HORIZEN (BID ID -3191846)