REPAIR/ MAINT OF B/R EXTERNAL SERVICES AND MISC WORK IN BLDG NO O-7, O-9, O-3, O-1 AND O-6 INSIDE FORT WILLIAMUNDER GE (FW) KOLKATA

Amount

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

M&L brick work with Fly ash bricks old size brick straight or curved on plan exc 6 m mean radius built in cement mortar 1:6 complete all as specified and directed.

M&L brick work with Fly ash bricks' old size brick straight or curved on plan to any radius built in cement mortar 1:4 as in half brick thick wall complete all as specified and directed.

Demolition of cement Concrete(reinforcement cut as required to facilitate demolation) Roof, floors (other than ground floors), beams, staircase, landing, chajjas and similar suspended work complete all as specified and directed.

M & L RCC 1:2:4 type B-1 using 20 mm graded stone aggregate as in slab supported on wall,beam and columns in floor, roof landing,, balconies,conopies, deck slab and shelves etc complete all as specified and directed.

M & L providing pre-cast cement concrete 1:2:4 type B-1 using 20 mm graded stone aggregate as in landing, cover slab for manholes etc, chullah, hoods, chajjas, water trough, mangers, shelves and similar articles with plan face including chamfered weathering, throating etc including necessary use and waste of form work complete all as specified and as directed.

Use and waste of formwork to sides and soffits of suspended slabs, floor slab, landing and similar work n. exc. 200 mm thick rough finished surfaces of concrete complete all as specified and directed.

S & F mild steel deformed bar 8 to 10 mm dia and over, cut to length, bent to shape required including cranking, bending, spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified and directed.

M & L TMT bar 5 mm dia and over upto and including 10 mm dia in stirrups, spacers and binders cut to length bent to shape required including cranking, bending, spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified and directed.

Dismantling cast iron work of any description complete all as specified and as directed.

S &F as in repair cast iron Grade FG 150 grating, railing, frame manhole cover fire and stoot doors, dompers, stop valve box and similar articles etc (weight exc 3 Kg each ) including frame different size fixed in concrete cover as directed .

S&F Cast iron ,polished bright ornamental decorative posts, railing, hand Rail etc complete all as 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.

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

Material and labour for 20 mm thick rendering in cement mortar (1:4), in two layers, each 10 mm thick, to fair faces of brick or concrete wall surfaces, top layer mixed with water proofing compound (@ 3 % by weight of cement or as per manufacture's instructions), finished rendering surface even and smooth(without using extra cement). (Note : Water proofing compound to be measured and paid separately as "Supply only").

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

M&L for 5mm thick rendering on fair faces of concrete surfaces in CM 1:3 finished rendering surfaces even and smooth (without using extra cement) complete all as specified and directed.

Supplying Integral water proofing compound.

M&L for application of damp proof painting in two layers as per manufacturers instruction in wall and ceiling surface including preparation of surface (by brooming down or steel wire brushung,scrapping down smoke, soot,moulds, moss, efflorescent salts, trading oil and greasy spots) complete all as specified.

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

M & L for 20 mm thick screed bed or bedding layer of mortar as in backing coat of stone on fair face of brick wall or concrete surface in cement mortar 1:4 complete all as specified and directed.

M & L 18 to 20 mm thick machine cut one side polished natural hard stone (Granite)any type in step, jambs, pillars,window cills, cooking plate from and similar places etc like in cement mortar 1:4 including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite complete all as specified and directed.

All as per item No 22 but in vertical surface with 10 mm thick rendering in Cement Mortar 1:3 complete all as specified and directed.

Dismantling of floor, hearth or wall tiling incl cement mortar bedding (but not backing) removing tiles from site and rubbish off the premises complete all as directed.

Supply and fix non skid ceramic coloured tiles 7 to 8 mm thick (square/ rectangular) area of each tile exc 0.18 sqm but n exc 0.38 sqm in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of the tiles over and incl 15 mm screed bed in 1:6 complete all as directed.

Supply and fix non skid ceramic coloured tiles 7 to 8 mm thick (square/ rectangular) area of each tile exc 0.18 sqm but n exc 0.38 sqm in skirting etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of the tiles over and incl 10 mm rendering in CM 1:3 complete all as directed.

Material and labour for 300mm x 450mm x 7-8mm thick decorative type wall tiles (coloured) joint free as in vertical surfaces of and jointed with neat cement slurry and pointed in white/coloured cement to match the surface laid over and including 10mm thick rendering in CM(1:3) complete all as specified and as directed by the Engr-in-Charge.

M&L non skid endura joint free colour Floor tiles 15-16 mm thick area of each tile exc 0.18 Sqm but n exc exc 0 .36 Sqm and 15 mm thick, etc, set and jointed in neat cement slurry and pointed in coloured cement complete including 15 mm thick screed bed cement mortar 1:6 complete all as specified and directed. all as specified and directed.

M&L non skid endura joint free colour tiles 15-16 mm thick for verticle surface of area of each tile exc 0.18 Sqm but n exc exc 0 .36 Sqm , set and jointed in neat cement slurry and pointed in coloured cement complete including 10 mm thick rendering cement mortar 1:3 complete all as specified and directed.

S&F in repair 35mm precast cement concrete type B0 1:2:4 using (12.5mm graded stone aggregate louvers and jallies including all mouldings set in CM 1:4 complete all as specified and directed.

S&F in repair 50 mm precast cement concrete type B0 1:2:4 using (12.5mm graded stone aggregate louvers and jallies including all mouldings set in CM 1:4 complete all as specified and directed.

M & L Pre-polished chequred cement concrete tile (Colured) 30 cm x 30 cm x 25 mm thick, set, jointed and pointed in neat cement slurry as in floor with grey cement and pigment over and including 15 mm thick screed bed in cement mortar 1:6 complete all as specified and directed.

M & L for heavy duty coloured ceramic floor tiles of size 300 x 300x 10 mm thick, suitable for high traffic external tiles, anti skid, scratch resistance and neutral to UV rays and acid alkali resistance as in floor including 15mm thick screed bed in cement mortar 1:4 complete all as specified and directed.

Taking out of interlocking paver block, any shape or size and Re-laying the same after removing all vegetation, algae, grass etc, laid to proper slope & gradient over sand cushioning complete all as specified and directed. (NOTE: Sand, if required for correction of cushioning level will be measured and paid seperately. Replacement of broken paver block shall be paid seperately as "Supply only")

M&L for sand filling under floors or in foundation including watering and consolidation all as directed.

Supply and laying 60mm thick factory made chamfered edge precast glazed cement concrete paver block of M-35 grade confirming to IS 15658-2006 with approved colour, design & pattern as in footpath,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. (NOTE: Cost of sand cushioning is deemed to be included

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

M & L PCC 1:4:8 type D-2 using 40 mm graded stone aggregate as in sub base of floor complete all as specified and directed.

M&L 75mm thick PCC 1:3:6 type C-2 using 40 mm graded stone aggregate as in plinth protection or similar places, laid in alternate bays, surface finished even and fair without using extra cement complete all as specified and directed.

M & L 75 mm thick PCC 1:4:8 type D-2 using 40 mm graded stone aggregate as in flooring, laid in alternate bays, surface finished even and smooth using without extra cement complete all as specified and directed.

M & L 40 mm thick PCC 1:2:4 type B-1 using 20 mm graded stone aggregate as in flooring, laid in alternate bays, surface finished even and smooth using without extra cement complete all as specified and directed.

M & L PCC 1:2:4 type B-1 using 20 mm graded stone aggregate as in flooring benching to drain, coping, etc and the like edge slightly rounded or chamfered including necessary use and waste of form work complete all as specified and as directed.

S&F decorative ornamental pre-cast reinforced Cement Concrete type B0 (1:2:4) using 20 mm graded railing/parapet post of size 150mm x150mm at base and top and 100mm dia at mid -section, of height 630mm . Set in cement mortar (1:4) including taking down old unserviceable post complete all as specified and as directed. Note: Reinforcement work shall deemed to be included in the unit quoted rate.

M & L designer cement concrete tile of size 150mm x 75mm x 18 mm thick (with rainbow polymer based continuous tiles) in verticale surface such as skirting, dado laid over and including 10 mm thick screed bed in cement mortar 1:3 set and jointed in cement sulrry and pointed in white or colured cement to match the surfaces complete all as specified and directed.

M & L designer cement concrete tile of size 227mm x 75mm x 8-10 mm thick in verticale surface such as skirting, dado laid over and including 10 mm thick screed bed in cement mortar 1:3 set and jointed in cement sulrry and pointed in white or colured cement to match the surfaces complete all as specified and directed.

M & L for designer cement concrete tile 18-20 mm thick any size as directed as in floor set and jointed in neat cement sulrry and pointed in white cement mixed with pigment to match the shade of tiles laid over and including 20 mm thick screed bed in cement mortar 1:6 complete all as specified and directed.

M & L three coats of white wash on newly plastered surface of wall including preparation of serfaces complete all as specified and directed..

M & L two coats of cement based paint on newly plastered surface of wall including preparation and one coat of chalk white of serfaces complete all as specified and directed.

M & L two coat of oil bound distemper on newly plastered surface of wall including preparation over a coat of alkali resistant primer applied over 1.5 mm thick water proofing wall putty on wall by brush and finish with roller complete all as spcified and directed.

M & L three coats of white wash on newly plastered surface of ceiling including preparation of surfaces complete all as specified and directed.

M & L two coat of oil bound distemper on newly plastered surface of ceiling including preparation over a coat of alkali resistant primer applied over 1.5 mm thick water proofing wall putty on wall by brush and finish with roller complete all as spcified and directed.

Material and labour for applying one coat of white wash on old decorated surfaces of walls and cornices including preparation of old plastered or un plastered surfaces of wall by brooming down or steel wire brushing, scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots all as specified and directed.

All as per item No 52 abve here-in-before but as in ceiling.

M & L two coats of cement based paint on old surface of wall including preparation complete all as specified and directed.

M & L one coat of oil bound distemper on old plastered surface of wall including preparation one coat of chalk white on wall by brush and finish with roller complete all as specified and directed.

M & L one coat of oil bound distemper on old plastered surface of ceiling including preparation one coat of chalk white on wall by brush and finish with roller complete all as specified and directed.

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

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

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

M & L Preparation of old treated/ painted surfaces of walls and soffits 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 exterir emulsion paint of approved make using airless sprey technology capable of operating single spray gun with hose of adequate length and necessary scaffolding for upto 4 storey building hight complete all as spcified and directed.

M & L Preparation of old surface of walls and soffits 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 2mm thick exterior wall putty for smooth finish and finishing with two coat of weather proof exterir emulsion paint over a coat of suitable suitable exterior primer of approved make using airless sprey technology capable of operating single spray gun with hose of adequate lenght and necessary scaffolding for upto 4 storey building hight complete all as spcified and directed.

M & L Preparation of old surface of walls and soffits 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 2mm thick exterior wall putty ( in two layers) for smooth finish and finishing with two coat of weather proof exterir emulsion paint over a coat of suitable exterior primer of approved make using airless sprey technology capable of operating single spray gun with hose of adequate lenght and necessary scaffolding for upto 4 storey building hight complete all as spcified and directed.

Chipping of unsound weak concrete materials including cover platster from RCC structural member i.e.slabs, beams,colums ,lintel,chajja ,fin, facia, etc 25mm avarage thickness including tapering all edges making square shoulders of cavities air or sand blasting etc and cleaning of exposed concrete surface of lightly picking materilas by air blasting or sand blasting including foreign materilas ,loose concrete /aggregate etc and disposal of all debris outside of MOD land and complete all as specified and as directed.

Material and labour of applying chloride free rust removing chemical on resting structural member and removing all rust from steel surface member by emery paper and cleaning the area throughly by water and allow it to dry and titally rust free of steel surface member and application two component epoxy zinc-rich primer over treat steel surface of minimum specific 1.75, adhesive bond strength with steel is 1.50N/mm2 all as complete as per manufacturer's instruction as specified and as directed.

Material and labour for introducing new reinforcement bars upto 12mm dia for structural connection in RCC beams ,columns lintel and slabs including power drilling holes of appropriate diametres in reinforced or plain cement concrete to a minimum depth of 150mm and upto 200mm including power driling fixing the reinforcemnt in postion using epoxy cleaning of loose dust by blowing air sealing with epoxy cartidges etc all as specified and directed.

Material and labour for mixing and application of two compentent structural grade polymer modified reinstatement mortar where local spalling has taken place or shuttering is not possible. The mortar can be applied in layers not exceeding 6mm thick in each layer in and upto any thickness in smaller vertical pockets and upto any thickness in horizontal applications. The mortar should have a minimum compressive strength 12N/mm2 in 1 day and 45M/mm2 in 28 days Minimum flextural strength should be 8N/mm2 in 28 days .A modified styrene styrene butadience emulsion for use as a bonding aid and gauging liquied for cementious system to be mixed with cement slurry before the application of micro concrete to be used @6 litre/bag of cement. The bonding agent should have minimum compressive strength 24N/mm2. The minimum tensile strength 3.5 N/mm2 minimum flexural strength 6.5 N/mm2 up to 25 mm average thickness up to any storied of bldg complete all as specified ans as directed.

Dismantling of cast iron or AC drain pipe/ PVC pipe jointed in cement mortar of size 110mm bore as directed.

Dismantling of cast iron or AC drain pipe/ PVC pipe jointed in cement mortar of size 150 mm bore as directed.

S&F repar 100 mm dia Cast soil waste and vent pipes in any length with or without ears with cement joints laid in trenches or in floor complete all as specified and directed.

S&F 100 mm dia Cast soil waste and vent pipes in any length with or without ears with cement joints fixed on wall complete all as specified and directed.

S&F 150 mm dia Cast soil waste and vent pipes in any length with or without ears with cement joints fixed on wall complete all as specified and directed.

S&F in repair 100mm CI bends any radius complete all as specified and directed.

S&F in repair 100mm CI bends (any radius),dismantling pieces or tapers (larger bore measured) any radius with oval access doors complete all as specified and directed.

S&F in repair 100mm CI Tee equal size any radius with eye complete all as complete all as specified and directed.

S&F in repair 100mm CI Tee equal size any radius with with oval access doors complete all as specified and directed.

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required 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 mitered or stopped ends etc. complete all as specified and directed.

S & F as in repair RCPC (Reinforced Cement Polymer Concrete) grating slab on size 1200mmX450mmX75mm thick fixed in proper position complete all as directed.

S & F as in repair RCPC (Reinforced Cement Polymer Concrete) grating slab on size 900mmX450mmX75mm thick fixed in proper position complete all as directed.

S & F as in repair RCPC (Reinforced Cement Polymer Concrete) grating slab on size 600mmX450mmX75mm thick fixed in proper position complete all as directed.

Taking up old manhole cover with frame (heavy duty) and raising / re-fixing in proper position, set in cement mortar 1:3 and haunching with PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) concrete surround finished even and smooth without using extra cement all as directed.

Taking up/down plants or vegetation groth wall upto roof level by means of cutting hole into brickwall and making good the surface of dismantled portion (not exc 150 Sqm cm superfical area and not exc one brick depth) using bricks bats / aggragate and plastering in cement mortar (1:4) to distributed portion and applying two coat of cement base paint to match the existing surfaces up to forth floor complete all as specified and directed.

Cleaning of existing covered / uncovered (partly / semi or fully filled up) drain, of any opening width and depth by removing and re-fixing of cover-slab (wherever applicable) taking out accumulated silt, mud, earth, rubbish, vegetation etc from the drain and removing the same at a distance exceeding 500 metre but not exceeding 1 Kilometre where directed, washing of the drain with water complete all as directed.

Cleaning of sewage line of 300mm bore manually (by pushing a piece of bamboo split, tied with gunny bags at one end from one manhole to another manhole) or by pump including dewatering, desilting and well flushing the line with water complete all as specified and directed

Cleaning of sewage line of 200 mm bore manually (by pushing a piece of bamboo split, tied with gunny bags at one end from one manhole to another manhole) or by pump including dewatering, desilting and well flushing the line with water complete all as specified and directed.

Cleaning of sewage line of 150 mm bore manually (by pushing a piece of bamboo split, tied with gunny bags at one end from one manhole to another manhole) or by mechanically operated pump including dewatering, desilting and well flushing the line with water complete all as specified and directed.

Cleaning of debris,broken concrete,tiles,buliding materials,mud, earth, rubbish, vegetation etc from the cantonment area and removing the same out side of MOD land complete all as specified and 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.

MODERN AGENCY (BID ID -3159578)

B & R CONSTRUCTION (BID ID -3157558)

M/S SRINIVASA CONSTRUCTION (BID ID -3157442)

M/s Santosh Industrial Corporation (BID ID -3156416)

JOY-EN-JOY (BID ID -3155753)

M A ENTERPRISES (BID ID -3156390)

DEYS ENTERPRISE (BID ID -3157767)

MS AP CONSTRUTION AND CO (BID ID -3157573)