GE/ALP (8147B) KOLKATA OF 2022-23

Amount

Taking down cement plaster including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

Taking down chowkhat or frames with shutter not exc. 1.5 Sqm each (without taking of shutters from the frames) complete all as specified and as 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) complete all as specified and as directed.

Taking down existing roof treatment with existing cracked plaster by manually or mechanically and wire brushing and cleaning the existing surface with water complete all as specified and as directed.

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

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

Dismantiling of floor hearth or wall tiling including cement mortar bedding (but not backing), and rubbish off the premises (out of MOD land), complete all as specified and as directed.

Dismantling of ceiling boards any thickness including cover fillets complete all as specified and as directed.

Taking up or down 15mm bore steel tubing and connections, including cleaning for re-fixing or removal complete all as specified and as directed.

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

Chipping of unsound /weak concrete materials from slabs , beams,columns ,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 and complete for 25mm average thickness for slabs/Chajja complete all as specified and directed.

Removing of concrete all around reinforcement including from behind the reinforcing bars to give an average 25mm (but not less than 15mm clear air gap)by manual methods (using wire brushing ,chiselling etc) and applying alkaline rust removing chemical followed by removing rust including from behind the reinforcing bars 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 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.

Supply and application of Epoxy Zinc rich primer on the prepared steel surface 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 complete all as specified and directed. (Make : SIKA/FOSROC).

M&L for introducing new reinforcement bars for structural connection in RCC beams, columns, lintel and slabs including power drilling holes of appropriate diameters in reinforced or plain cement concrete to a minimum depth of 150mm and upto 200mm including power drilling,fixing the reinforcement in position using epoxy, cleaning of loose dust by blowing air, sealing with epoxy cartridges etc upto 20mm dia bar all as specified and directed.

Supply, mixing and application 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 25mm average thickness complete all as specified and directed. (Make : Sika/Fosroc) NOTE :- Cement and sand morter in proportion of 1:2 graded coarse sand with polymer admixed in proportions approved by Engr-in-charge

M&L for applying curing compound over concrete surfaces as per manufactures instruction complete all as specified and directed. (Make : Sika/Fosroc)

Providing of double layer self supporting steel scafolding to external perimeter of building duly cross braced and properly alignede for the functional aspect and safe of the building upto and including 05m hieght complete all as specified and as 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 Brickwork with sub-class `B’ bricks, straight or curved on plan to any radius in half brick thick walls built in CM (1:4) 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 as directed.

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

M&L for Rendering 5mm thick with CM (1:4) on or concrete surfaces and finished the surface even and smooth as in ceiling complete all as specified and as directed.

S&F for 3mm thick wall care putty on wall/ceilling complete all as specified and directed.

Material and labour for complete removal of existing old surfaces of wall and preparation of old or previously untreated surfaces and applying two coats white cement based wall care putty and one coat alkali resistant primer, sanding the surfaces and finally applying two coats of Anticorbonation paint complete all as specified and as directed.

Material and labour for preparation of new plastered surfaces and applying two coats white cement based wall care putty and one coat alkali resistant primer, sanding the surfaces and finally applying two coats of Anticorbonation paint complete all as specified and as directed.

M&L for preparation of new plastered surface of wall and applying two coats of oil emulsion distemper over a coat of primer complete all as specified and directed.

M&L for preparation of old decorated surface by complete removal of existing treatment, washing, rubbing, stopping etc and applying two coats of oil emulsion distemper over a coat of primer to match with the new suface on wall complete all as specified and as directed.

Roughening of surface of old concrete floor by picking , sweeping clean and washing down with water to remove dust etc complete all as specified and as directed.

M&L for Machine cut kota stone slab flooring 18-20mm thick set, jointed and pointed in neat cement slurry in floors over and including 20mm thick screed bed or bedding in cement mortatr (1:6) complete all as specified and as directed.

M&L for Machine cut kota stone slab 18-20mm thick set, jointed and pointed in neat cement slurry in skirting over and including 10mm thick backing of tiles in cement mortatr (1:4) complete all as specified and as directed.

M&L for Non-skid coloured ceramic floor tiles 7 to 8 mm thick area of each tile exc 0.11 sqm but n exc 0.18 sqm in floor set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles complete all as specified and as directed. (Note:- Screed bed shall be measured and paid Seperately under respective items of Sch "A').

M&L for glazed ceramic coloured wall tiles of size 450x300x6-7mm thick set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles complete all as specified and as directed. (Note:- Screed bed shall be measured and paid Seperately under respective items of Sch "A').

M&L for backing coat/Screed bed or bedding layer of 10 mm thick in cement mortar (1:3) as in dado/skirting complete all as specified and as directed.

M&L for screed bed or bedding layer 15 mm thick in cement mortar (1:6) for laying floor finishes complete all as specified and as directed.

Supplying and laying for 16 mm outer dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/walls including all fitting in any grade complete all as specified and directed

Supplying and laying for 20 mm outer dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings in trenches/walls including all fitting in any grade complete all as specified and directed

S&F for 20mm bore gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipes complete all as specified and as directed.

S&F in repairs 15mm bore Brass CP bib cock fancy type with crutch or butterfly handle complete all as specified and as directed.

S&F for 40mm bore CPVC pipe with fittings complete fixed in wall/laid in floor complete all as specified and as directed.

S&F for 75mm bore PVC(SWR) pipe single socket in any length rubber ring joints complete all as specified and as directed.

S&F for 75 mm bore PVC(SWR) pipe bend single socket complete all as specified and as directed.

S&F for 75 mm diameter of outlet of PVC(SWR) floor trap,Plain with grating including jointing with solvent cement complete all as specified and as directed.

M&L for 25mm thick PCC 1:2:4 Type B-1 ( using 20 mm graded crushed stone aggregate) as in sub base of floor complete all as specified and as directed.

S&F for 2nd Class HW Plain, solid, straight chowkats and frames, wrought framed rebated on the solid, rounded or chanfered, put together with glue pinned at joints all as specified and as directed.

S&F for 30mm thick flush shutters, solid core construction, with block board core and ply wood face panels, commercial type on both side complete.

S&F for 35mm thick 2nd class hard wood gauged & skelton shutter, open rebated & prepared to receive gauged, (without sase bar) edge of framing plain, chamford or rounded, fitted with cut & mitred beads for securing gauged etc,all as specified and directed.

Providing and fixing factory made uPVG white colour Sliding window Three track made of extruded profiles with wall thickness of 2.3mm (+ -0.2mm). Window profile with hollow section with multi chamber. Frame (88mm x 52mm), sliding sash (42mm x 67mm). Sliding mesh Sash (42mm x 57mm) Sliding interlock (One vertical length in each shutters) (45.5mm x 28mm), Glazing bead (24.5mm x 16mm) will be miterd cut and fusion welded at all corners, including drilling of holes for fixing hardware and drainage of water etc., making arrangement for fixing of hardware. EPDM gasket, 1.2+ -0.2mm thick galvanised steel Frame (30mm x 18mm) 2 nos, sliding sash (30mm x 18mm), sliding mesh sash (26mm x 10mm) profile to be inserted in required profile, frame will be fixed to the wall with 8mm x 100mm long fasteners, Hardware [Touch Lock of zinc alloyed (white powder coated), steel roller system. Stainless steel wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm and required accessories. (Note: The unit rate quoted by contractor excludes cost of glass but includes two Nos glass shutter & one No wire mesh shutter including frame and all other connected accessories and hardware fittings. Net Opening will be measured for payment purpose.)

S&F for 100 mm long butt hinges medium weight cold rolled mild steel and fixed all as specified and directed.

S&F for 200 mm long Aluminium anodised, barrel tower bolts of extruded section all as specified and as directed.

S&F for 150 mm long Aluminium handles, cast type, anodised complete all as specified and as directed.

S&F for 300 mm aluminium alloy, anodised, sliding door bolt with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded section and fixing bolts and sliding bolts of extruded section or cast al alloy all as specified and as directed.

M&L for 25x4mm size mild steel flat iron as in hold fast conforming to Fe-290 Gde E-165 complete all as specified and as directed.

S&F for Stainless steel wire cloth, 0.36 mm nominal dia of wire and average width of aperture 1.40 mm fixed with SS wire staples complete,all as specified and directed.

Supplying and fixing Mild Steel 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, railings and similar work conforming to Fe-290 Gde E-165, complete all as specified and as directed and design/shap approved by by Engineer-in-charge.

Material & labour for preparation of new steel and iron surfaces of any description area exc 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide and zinc chrome primer, complete all as specified and as directed.

M&L for two coats of synthetic enamel paint over a coat of pink primer area exc.10cm width or girth over new wooden surfaces including preparation of surface complete all as specified and directed.

Material & labour for preparation of old painted wooden surfaces of any description exc 10 cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as 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 taking down old steel windows with necessary all fittings complete all as per manufacturer's instructions and all as specified and as directed.

S&F for 25mm dia curtain rods decorative aluminium alloy with fixing brackets including taking down old pelmet box complete all as specified.

S&F for bracket dacorative type for curtain rods aluminium alloy complete all as specified.

S&F for framed brackets of angles or tees with web and flanges cut to shape, drilled and counter sunk for screws including bending and welding angles as necessary, gusset plates, riveting, etc n,exc 10 kg each brackets confirming to Fe 290. Grade-E- 165(brackets over 10kg each to be measured under structural steel) complete all as specified.

S&F for pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550Mpa as in roof covering /cladding to wall, fixed with J hook & washers complete all as specified.

M&L for 4mm thick non asbestos cement ceilling tiles of size 595 x 595 mm of approved design fixed with powder coated GI grid consisting of main Tee section of size (15mm x 30mm), cross Tee section of size (15mm x 23mm), and powder coating GI wall angle of size (20mm x 20mm) suitable for mounting tiles of 595 x595 mm with 2 mm dia GI wire suspended including fabrication complete as per manufacturers instructions fixed with steel rawl plug with nut and bolts arrengement with gred size 60 x 120 cm complete all as specified and directed.

Material and labourL for 75mm thick PCC 1:3:6 type C-2(Using 40 mm graded stone aggregate) as in plinth protection & hard standing complete all as specified & directed.

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

Material and labour for 50mm thick sand filling under interlock tile flooring complete all as specified and as directed.

Material and labour for Machine pressed precast concrete coloured interlocking paver block of any shape and size confirming to IS 15658-2006 of 60 mm thickness, M 35 Grade complete all as specified and directed.

M&L for cement concrete ( 1:2:4) type B-1( using 20 mm graded crushed stone aggregate) as in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and as directed.

Material & labour for 15mm thick screed bed or bedding layer in cement mortor(1:4) mixed with WPC as per manufacturer instruction for laying of APP membrane complete all as specified and as directed.

Material & labour for bitumin primer shalikore T-32 @ 0.70 KG per Sqm over the cement plaster including preparation of surfaces as per manufacturers instruction complete all as specified and as directed.

Material & labour for 3mm thick prefabricated plastomeric water proofing membrane (Polyster rainforced) with spun bonded polyster mat as a core (APP membrane) (Weight not less than 3 kg per sqm ) laid over bituminous coated surface of roof and applied with lpg torch and applying uniform pressure with a roller /wet cloth to ensure to remove entrapped air ,if any all as per manufactureer instrucction .The APP membrane shall be overlap of not less than 100mm and 150mm end lap and side lap respectively complete as per manufacturer instruction .The over laping and joints will be thermosealed with the propane torch complete all as specified and as directed.

Supply only WPC complete all as specified and directed.

Material and labour for Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc, (cut to ordinary lengths i.e, within 20 mm of the length indicated) Fe 410-W (Gde E-250) quality-A complete all as specified and as directed.

Dismantling of Plain or corrugated steel sheeting, any gauge, thickness in roof coverings complete all as specified and directed.

Supply & Fixing for Pre painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/chadding to wall, fixed with self tapping screws complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and as directed.

S&F for mild steel work in MS tubes (round/square) including special shaped washer, necessary FI angle iron if required to complete the works as in truss,purlins, rafter, stanchions etc complete using ERW or induction butt welded tubes conforming to IS-1161-1979 graded St-240 complete all as specified and directed.

S & F for 11-15mm dia of shank mild steel screw 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, exc 5cm but n exc 10cm long complete all as specified and as directed.

Excavating in post holes (or similar holes) each n exc 0.50cu.m gettingout returning filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25 cm in hard/ dense soil complete all as specified.

M & L for PCC 1:3:6 Type C2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete complete all as specified and directed.

Demolition of cement concrete (unreinforced) of any descriptions, below or above Ground floors (Floor Topping, Sub Base etc) not exc 150mm thick, above or below ground level complete all as specified and as directed.

M&L for PCC ( 1:4:8 ) Type D-2 (using 40 mm graded stone aggregate) as in foundation, sub-base to floor etc complete all as specified and directed.

M&L for Providing cement concrete type B-1,1:2:4 (using 20 mm graded stone aggregate) as in benching concrete,coping ,hold fast etc complete all as specified and directed.

M/S J S ENTERPRISES

dutta and dutta

Tirupati Buildcon Pvt. Ltd.

GAYATRI ENTERPRISE