GE/ALP (8320B) KOLKATA OF 2024-25

Amount

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 complete all as specified and directed.(upto four storiey bldg)

Demolition of cement concrete in ground floor and pavings n. exc 15 cm thickness (below or above ground level) complete all as specified and directed.

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

M&L for brick work with sub class 'B' bricks built in cement mortar 1:6 straight or curved on plan exceeding 6 mtr mean radius complete all as specified and directed.

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

M&L for rendering 15 mm thick, set in cement mortatr (1:4), as on brick/concrete surface etc finished the surface even and smooth without using extra cement complete all as specified and directed.

M&L for rendering 10mm thick with CM (1:3) on or concrete surfaces and finished the surface even and smooth as in ceiling complete all as specified and directed.

Supply only Integral waterproofing compound complete all as specified and directed.

M&L for preparation of new plastered surfaces of wall and applying two coats of acrylic distemper over a coat of primer with 3mm thick wall care putty etc complete all as specified and directed.

Material & Labour for applying two coats of 100% premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, 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 etc complete all as specified and directed.

Material & Labour for applying one coat of 100% premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, 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 old surfaces etc complete all as specified and directed.

M&L for preparation of new plastered surface of ceiling and applying two coats of white wash on new surface etc, complete all as specified and directed.

M & L for two coats of synthetic enamel painting to old wooden surfaces (frame & shutter) over a coat of primer including preparation of wooden surface of any description, not otherwise described, over 10cm width or girth complete all as specified and directed.

M & L for two coats of synthetic enamel painting to old steel surfaces (frame & shutter) over a coat of red oxide primer including preparation of steel surface of any description, not otherwise descri-bed, over 10cm width or girth complete all as specified and directed.

M&L for Cutting out cracks to V-section in existing roofs or terracing, cleaning out, wetting, grouting with cement and sand slurry 1:3 etc complete all as specified and directed.

Material & labour for PCC 1:3:6, type C1 (using 20mm graded stone aggregate) as 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 water troughs and the like including weathering, slightly rounded or chamfered angles and throating, complete all as specified and directed.

M&L for 25mm thick PCC 1:2:4, type B-1 (Using 20mm graded stone aggregate) as in bedding of tiles/kota complete all as specified and directed.

M&L for applying evenly a tack coat of industrial bitumin 85/25 at the rate of 1.2 kg per sqm including cleaning surface on roof surface for fixing APP membrane complete all as specified and directed. (upto 12 storey High of building)

M&L for APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) laid over bitumen coated surface of roof applied with proper torch flames all as per manufactures instruction. NOTE:- The APP membrane will have an overlaping of 100 mm on the end laps and 150 mm on side laps. The overlaping and joints will be thermo sealed with the propare torch complete all as specified and directed.(upto 12 storey High of building)

M&L for applying protective coating with aluminium paint @ 0.2 kg/sqm complete all as specified and directed.(upto 12 storey High of building)

S&F for 1000 ltr capacity rotational moulded polyethylene water storage tank (cylindrical vertical closed top) hoisted and fixed in positions all as specified in SSR Part-I,including 20 mm dia of ball valves high pressure of PTMT with epoxy coated aluminium rod &high density plastic ball screwed for iron pipe and fixed including dismantalling of existing water tanks complete all as specified and directed.

S&F for water tank lid for 500/1000 Ltrs capacity PVC tank complete all as specified and directed.

S&F for Gun- metal, globe or gate valves 20 mm dia of pipe with iron wheel head,screwd both ends for iron pipe and fixed complete all as specified and directed.

Taking up or down 20mm steel tubing and connections, including cleaning for re-fixing or removal complete all as specified and directed.

Taking up or down 25mm steel tubing and connections, including cleaning for re-fixing or removal complete all as specified and directed.

S&F for 20mm bore steel tubing "medium grade" galvanised with all fittings fixed complete to wall and ceiling complete all as specified and directed.

S&F for 25mm bore steel tubing "medium grade" galvanised with all fittings fixed complete to wall and ceiling complete all as specified and directed.

Supplying and laying for 25 mm outer dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/walls including all brass fitting/fixtures in any grade to receive plumbing fittings and fixtures complete all as specified and directed.

Supplying and laying for 32 mm outer dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/walls including all brass fitting/fixtures in any grade to receive plumbing fittings and fixtures complete all as specified and directed

Dismantling cast iron or re-inforced concrete drain pipes of 100mm bore, jointed in cement mortar complete all as specified and directed.

S&F for CI spun pipes with out ears in any length fixed to wall with brackets of 100mm bore including bitummous paints both side complete all as specified and directed.

S&F for CI bend with door of 100mm bore complete all as specified and directed.

S&F for CI branch pieces single equal or unequal with door of 100mm bore complete all as specified and directed.

S&F for CI 'T' of 100mm bore complete all as specified and directed.

S&F for CI cowl of 100mm bore complete all as specified and directed.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings,heads, shoes, bends, swan-necks,etc., including cleaning or refixing or removal to store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and directed.

S&F for 150mm bore PVC(SWR) pipe single socket in any length rubber ring joints complete all as specified and directed.

S&F for 110mm bore PVC(SWR) pipe single socket in any length rubber ring joints complete all as specified and directed.

S&F for 150mm bore PVC(SWR) pipe bend single socket complete all as specified and directed.

S&F for 110mm bore PVC(SWR) pipe bend single socket complete all as specified and directed.

Supply and fixing for 110 mm dia PVC (SWR) junction single, (singleT), equal or unequal fixed to wall complete all as specified and directed. (Upto any height of the building).

Material & labour for 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 con- forming to Fe.290.Gde-E-16 complete all as specified and directed.

M&L for precast cement concrete (1:2:4) ,type B-1 (Using 20mm graded stone aggregate) as in cover slab, shelves, and similar work set in CM (1:4) complete all as specified and directed.

M&L for mild steel TMT bars 8 to 10mm 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 0.9mm dia or securing with clips complete all as specified and directed.

Material and labour for preparation of new steel surfaces of any description over 10cm 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. (upto four storey bldg)

S&F for 0.80 mm thick plain,black mild steel sheeting in stepped flashings (measured as the minimum rectangle from which the piecs can be cut) all as specified and directed.

Taking down chowkhat or frames with shutter exc. 1.5 Sqm but n.exc. 4 Sqm each (without taking of shutters from the frames) upto 12 storied bldg complete all as specified and directed.

Taking down chowkhat or frames with shutter exc. 1.5 Sqm each (without taking of shutters from the frames) upto 12 storied bldg complete all as specified and directed.

S&F in powder coated aluminium fixed portion (Squre or circular) of frame size 80mm x 38mm x 2.00 mm with standard beads/glazing clips, locking arrangement etc any shape and size with necessary all fittings complete all as per manufacturer's instructions and all as specified and directed.

M&L for 9 mm thick prelaminated partilce boards interior grade prelaminated one side with decorative choice lamination & other side balancing white lamination fixed with screw to timber frame for pelmet boxes,aluminium door and aluminium partitions complete al as specified and directed.

S&F for 4.8 mm plain sheet glass ordinary quality and glazed with oil putty or fixed with fillets 2nd class hard wood of sectional area of glass not exc 0.5 sqm each pane complete al as specified and directed.

S&F for powder coated aluminium sliding windows for three track with rubber gasket, stopper powder coated aluminium standard beads/glazing clips ,locking arrangement etc and aluminium frame of size 80mmX25mmX1.55mm and shutter of section 20mm X20mm X1.55mm incl ( two shutter of 4.8mm thick glass and one shutter of wiremesh 0.36 mm dia of wire and average width of aperture 1.40 mm) including aluminum chequered grill with necessary all fittings complete all as per manufacturer's instructions and all as specified and directed.

Supply and fixing for aluminium anodised decorative grill with suitable frame including all necessary joining cleats, hold fast and locking arrangements fixed with screws to wall etc. complete all as specified and directed.(Up to 12 storey of bldg)

S&F for aluminum chequred grill including aluminium frame of section size 60mmx 40mmx2mm thick fixed to opening in verandah rectangular or circular shape spacing of aluminium section not exc 900mm in both directions etc complete all as specified and directed.

Chipping of unsound/weak concrete materials from slabs , lintel,chajja, fin, facia etc. by any means as directed by Engr-in-charge including tapering all edges, making square shoulders of cavities air or sand blasting etc and cleaning of exposed concrete surface of lightly picking materials by air blasting or sand blasting including foreign matrials , loose concrete/aggregate etc and disposal of all debris out of MOD land (upto four storey bldg) for 25mm average thickness complete all as specified and directed.

Deduct/add for every less/extra 5mm thick complete all as specified and directed.

M&L for removing of concrete all around reinforcement including from behind the reinforcing bars to give an avrage 25 mm (but not less than 15 mm clear air gap) by manual methods (using wire brushing, chiselling etc) and applying alkaline rust removing chemical followed by removing rust by emery paper and cleaning the area throughly by water and allow it to dry all as per manufacturer's instruction to give it a totally rust free finished steel surface ( upto four storey bldg) complete all as specified and directed. (Make: SIKA/FOSROC) upto 12 mm dia bar complete all as specified and directed.

All as per Item No 57 above but for above 12mm dia bars complete all as specified and directed.

Supply and application of coat of epoxy zinc rich primer on the prepared steel surface excluding behind the bar by brush the primer shall have a minimium specific gravity 1.75 minimum weight film thickness/coat 40 microns and minimum adhesive bond strength with steel is 1.5N/mm2 (upto four storie bldg) complete all as specified and directed. Make: SIKA/FOSROC.

M&L for providing single coat of epoxy bond adhesive of prepared non metallic surface (existing surface) and applying by brush all as per manufactures instruction/specification. The bonding agent shall have minimum compressive strength of 40 N/Sqmm and complete all as specified and directed.(upto four storie bldg)

M&L for introducing new reinforcement bars for structural connections in RCC Beam, lintels, columns and slabs including power drilling holes of appropriate diameter in reinforced of plain cement concrete to a minimum depth of 150 mm and upto 200 mm including power drilling , fixed the reinforcement in position using epoxy of loose dust by blowing air, sealing with epoxy cartridges etc (upto four storey bldg) all as spd and directed.

M&L for providing and placing in position free flow non shrink cementitious micro concrete of grade of M-50 to the effected beam, etc . The micro concrete shall have a minimium 1 day compressive strength of 10 Mpa and 28 days strength of 50 Mpa, minium tensile strength 5N/mm2 @ 28 days, minimium flextural strength 5N/mm2 @ 28days for 50 mm average thickness and complete all as specified and directed.( Make: SIKA/FOSROC/ELANTAS BECK/KUNAL CONCHEM) (upto four storey High).

Supply, mixing and application of two component structural grade polymer modified reinstatement morter, where local spalling has taken place or shuttering is not possible . The mortar can be applying 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 minimium compressive strength 12N/mm2 in 1 day and 45N/mm2 in 28 days. Minimum flexural strength should be 8 N/mm2 in 28 days. A modified styrene butadience emulsion for use as a bonding aid and gauging liquid for cementious system to be mixed with cement slurry before the application of modified polymer mortar to be used @ 6 ltr/bag of cement. The bonding agent should have minimium compressive strength 24N/mm2. Minimum tensile strength 3.5N/mm2, minimium flexural strength 6.5N/mm2 upto 25 mm average thickness complete all as specified and directed. ( upto four storey High) Make :- Sika/Fosroc NOTE:- Cement and sand mortar in proportion of 1:2 graded coarse sand ) with polymer admixed in proportions approved by Engr-in-charge)

M&L for applying curring compound or equivalent over concrete surface as per manufactures instructions, (upto ten storey building) complete all as specified and directed.

Supply and fixing of new TMT bars upto 12 mm dia of approved brand of requiste diameter by electro welding of length 2.5 to 5 d on both the side with the existing bar to require size and shape at the portion where the existing reinforcement has lost half of its sectional area following by a coat of epoxy zinc primer as per the description mentioned ,( upto four storey building) complete all as specified and directed.

Dismantling of wall and ceiling boards (fibre, pulp, insulation etc) of insulation boards/slabs/blankets, any thickness, including cover fillets complete all a specified and directed.

S&F for steel work in tubular trusses, posts,rafters, struss and brackets etc including special shaped washers etc complete using ERW or induction butt welded tubes including fixing to walls and similar supports etc complete all as specified and directed.

Material and labour for preparation of new steel surfaces of any description over 10cm 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 (upto four storey bldg)

M&L for suspended false ceilling (decorative type) system using chicogo metalic (E grid) exposed suspende system, grid section size 600mm x 600mm comprising of GI powder coated main runner of dimension 39 mm x 24mm x 0.80mm thick ( thickness comprising of GI/0.4+ PPPCGS/0.3mm & weight of Runner 1.35 kg for 3600mm length) cross tee of dimension 29mm X 24mm x 0.8 mm thick wall angle 22.2mm x22.2mm x 0.65 mm thick ( thickness comprising of GI/0.35 + PPPCGS/0.3 mm & Weight of angle 0.70 kg for 3050 mm length) with and including 6 mm thick HPSC ( High pressure steam cured) pre- primed, self embossed textured designer board, water resistant termite resistant, fire resistant for insulation and accustic purpose to be placed in the grid system duly suspended with 6 mm dia G I bars hangers fixed with steel dash through fasteners from purlins of the roof with butterfly clips (Wt- 0.007 Kg/clip) hold down clips (Wt - 0.0035 Kg/clip) with Provn of light fixture complete all as specified and directed.

All as per Item No 69 above but fixing only complete all as specified and directed.

M&L for preparation of new or previous untreated wood and wood based surfaces of any description over 10 cm girth or width not otherwise described and applying two coats of synthetic enamal paint over a coat of pink primer complete all as specified and directed.

M/S SK PAUL (BID ID -3056774)

Shanti Construction Company (BID ID -3047604)

JOY TRADING CORPORATION (BID ID -3047923)

NESAIL CORPORATION (BID ID -3047530)

NUPUR CONSTRUCTION (BID ID -3046275)

P N GUPTA AND SONS (BID ID -3047926)

ESS PEE UDYOG (BID ID -3050459)

KAMAKHYA TRADERS (BID ID -3047914)

SEN ELECTRIC WORKS (BID ID -3048383)

ROY CONSTRUCTION (BID ID -3053847)

DIPAK ENTERPRISE (BID ID -3055800)

R.R.ENTERPRISE (BID ID -3054511)