SPL REPAIRS TO LEAKAGE SEEPAGE OF ROOF AND ALLIED WORKS IN BLDG NO.OD - 2 AND ADDN/ ALTN AND REPLACEMENT OF ROOF SHEETS AND ALLIED WORKS IN PARKING SHED NEAR OD-1, II-1 AND BI-4 INSIDE FORT WILLIAM UNDER GE(FW) KOLKATA

Amount

Demolition of cement concrete (un-reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

Taking down cement plaster from brick or concrete surfaces of any description including racking out joints, hacking for key, scrubbing down with water etc complete all as directed.

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

Dismantling wrought iron or mild steel work of any description in rafters, purlins and wind ties etc., complete all as specified and directed.

M&L Brick Work with fly-ash 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.

M&L Brick Work with fly-ash Bricks Half-Brick thick, Old Size, built in Cement Mortar 1:4, Straight or Curved on Plan to any Radius, complete all as specified and as directed.

M&L for cutting holes in brick wall exceeding half brick but not exc one brick thick walls for inserting hold fasts for mild steel grills and making good dismantled portion in cement concrete 1:2:4 type B1 (using 20 mm graded aggregates) including necessary formwork and making good surfaces as per existing finishes complete all as specified and directed.

M&L for providing precast cement concrete (1:2:4) type B1 using 20 mm graded aggregates set in cement mortar 1:4 as in landings, cover slabs (for manhole etc.) chullah hoods, chajjas, water troughs, shelves and similar articles with plain faces complete all as specified and directed.

M&L for plain cement concrete (1:2:4) type B1 using 20 mm graded aggregates in lintels upto 1.5 m clear span, cills, steps, seismic and other similar bands, plinth courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones , bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating including formwork complete all as specified and directed.

M&L for dubbing out cement plaster (1:4), average 10 mm thick on irregular faces of walls (when specially ordered in writing) complete all as a specified and as directed

M&L rendering 15mm thick on fair faces of brick work/ concrete surfaces in CM 1:4 finished fair and even and smooth without using extra cement & including applying water proofing smart care damp block compound 2K of make Asian Paint or equivalent, as per manufacture instruction including scaffolding in any position or equivalent in other makes, all as specified and directed.

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

M&L 10mm thick cement plaster on ceiling surfaces finishing even and smooth without using extra cement in cement mortar (1:3) including necessary scaffolding complete all as specified and directed.

Taking down/Removal of existing water proof treatment of any description from roof surface including cement plaster/screed bed carefully from the surfaces, roughening concrete surfaces and cleaning the roof surfaces by brushing, sweeping and scrubbing down with water and removal of debris complete all as specified and as directed. (Note: Dismantling and refixing of the lightening strip if any is deemed to include in the quoted rate)

M&L for spreading/brushing neat cement slurry with 3.00 Kg/Sqm on old concrete surfaces, complete all as specified and directed.

M&L for Providing Cement Concrete, type B-0, 1:2:4 (using 12.50 mm graded Stone aggregate), as in roof padding, of thickness as required on site, for making good depression/undulation, roof kerb etc, finished even and fair complete all as directed.

M&L 15 mm thick screed bed or bedding layer in cement mortar (1:3) over roof mixed with water proofing compound as per manufacturer's instruction complete all as specified and directed. (NOTE: WPC will be measured and paid separately)

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

M&L for water proofing treatment on existing cleaned RCC roof with the following specifications and manufacturer's instruction complete all as specified and directed :- (i) Preparing and cleaning of fully dried surfaces as per IS 3067-1966. (ii) Applying bitumen primer conforming to IS:3384-1968 over the cleaned base @ 1.20 litre per Sqm. (iii) Providing a layer of 3 mm thick APP modified pre-fabricated five layer, weight not less than 3.6 kg/Sqm, black finished reinforced with non-woven polyster matt membrane with butane torch application. Overlap shall be minimum 100 mm on the transverse direction and 75 mm on longitudinal direction. (iv) Applying two coats of bitumen based UV reflective paint with aluminium finish @ 0.20 litre per Sqm over APP membrane.

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 complete all as specified and directed.

M&L for bituminous gola, with 80/25 bitumen and coarse sand mixture, 1:3 by weight, 8Cm x 8 Cm at the junction of roofing to vertical surfaces, complete all as specified and directed.

M&L for Mild steel framed works 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, walkways, railings, framework of water tanks and similar works conforming to Fe-290 Gde E-165 complete all as specified and directed.

M&L for welded steel fabric supplied and fixed complete to wood or steel members, weight n exc 4 Kg per Sqm complete all as specified and directed.

M&L mild steel work in tubular trusses including special shaped washers etc complete using ERW or induction butt welded tubes conforming to IS-1161:2014 grade St-240 complete all as specified and directed. (NOTE: Quoted rates shall be deemed to include for cutting to dead length where required, notching, drilling, fitting, riveting and/or welding or connecting with bolts and nuts (including rivets or bolts and nuts), providing and fitting angle cleats, fish plates, gusset plates etc., also for wedging, plumbing, truing up and fixing complete)

M&L for structural steel work Fe 410-W (Gde-E-250) quality-A in roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (beam, tee, angle, channel or flat sections) including distance pieces, cleats etc. complete all as specified and as directed by the Engineer-in-Charge. (NOTE: Quoted rates shall be deemed to include for cutting to dead length where required, notching, drilling, fitting, riveting and/or welding or connecting with bolts and nuts (including rivets or bolts and nuts), providing and fitting angle cleats, fish plates, gusset plates etc., also for wedging, plumbing, truing up and fixing complete)

S&F Mild steel wind ties for roof including securing bolts, posts including cutting tops to shape as directed, drilling holes, notching for wire, etc flat iron fillets including all necessary drilling, bolting or riveting etc and similar work conforming to Fe 290 Gde E-165.

Dismantling of AC (corrugated or semi corrugated sheeting etc., ) any gauge or any thickness in roof covering including stacking serviceable materials of re-use and removing unserviceable materials complete all as specified and directed.

Dismantling of plain or corrugated steel sheeting any gauge or any thickness in roof covering including stacking serviceable materials of re-use and removing unserviceable materials complete all as specified and directed.

S&F 0.50 mm thick TCT (total coated thickness) pre-coloured galvalume sheets with minimum base metal thickness of 0.45 mm, single skin high rib/multi rib profile galvalume sheeting having 1000-1020 mm width and 28-30 mm high crest @ maximum 250-255 mm pitch (centre) with sheets manufactured out of 0.50 mm this TCT (total coated thickness) high tensile galvalume sheets having tensile strength 550 MPA with 18-20 micron top coat over 5 micron primer and 8-10 micron alkyld backer zinc aluminium alloy AZ-150, sheets having a dip metallic zinc (43.5%0 aluminium (55%) & silicon (1.5%) with total mass coating of 150 gms/sqm on both sides, having wide pans with minimum 3 small stiffening ribs for effective water shedding and special male/female ends with full return legs on laps for purlin support and fixed as per existing profile of roof complete all as specified and directed.

All as per Item No.29 above, but 0.50 mm thick coloured plain galvalume sheet as in ridge/valley gutter of roof.

S&F 0.80mm thick plain galvanised mild steel sheeting, as in hips, valley gutters, drip and straight flashing (length and girth as fixed) for hangers etc., complete all as specified and directed.

M&L for 6mm thick polycarbonate sheeting as in roof covering/cladding to walls, fixed with self tapping screws, complete all as specified and directed.

M&L for mild steel TMT Bars 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 and including Mild Steel Wire (annealed) not less than 0.90 mm or securing with clips, etc., complete all as specified and as directed.

M&L Preparing new Steel or Iron Surfaces of any description, over 10 Cm width or girth and applying Two Coats of Synthetic Enamel Paint (First quality) over a coat of Red Oxide/ Zinc Chrome Primer, complete all as specified and as directed.

M&L for preparation of new plastered surfaces of walls and applying two coats of acrylic distemper with roller over a coat of alkali resistant primer as per manufacturer's instructions and 1mm thick putty, complete all as specified and directed.

M&L for preparation of new plastered surfaces of ceilings and applying two coats of acrylic distemper with roller over a coat of alkali resistant primer as per manufacturer's instructions and complete all as specified and directed.

M&L for cleaning new plastered surfaces of walls, soffits of chajja, roof slab etc, using emery paper, putty blade/scraper as applicable for removing loose paint, corrosion, algae formation etc complete with one coat of 2mm thick exterior wall care putty through out and applying two coats of weather proof exterior emulsion paint over one coat of suitable exterior primer, including necessary scaffolding, safety and protective measures for upto 4 storey building height complete all as specified and directed. Make: Asian (Ultima Suprema) or equivalent other makes specified in tine tender .

M&L for complete removal of existing old treated surfaces of walls, soffits of chajja, roof slab etc, by scrapping as required using emery paper, putty blade/scraper as applicable for removing loose paint, corrosion, algae formation etc complete with one coat of 2mm thick exterior wall care putty throughout and applying two coats of weather proof exterior emulsion paint over one coat of suitable exterior primer, including necessary scaffolding, safety and protective measures for upto 4 storey building height complete all as specified and directed. Make: Asian (Ultima Suprema) or equivalent other makes specified in the tender .

M&L for preparation of new steel and iron surfaces of any description, not exc 10cm in width or girth not otherwise described and applying two coats of synthetic enamel paint over a coat of primer, complete all as specified and directed.

M&L for preparation of new steel and iron surfaces of any description, exc 10cm in width or girth not otherwise described and applying two coats of synthetic enamel paint over a coat of primer, complete all as specified and directed.

M&L for preparation of old painted steel and iron surfaces of any description, exc 10cm in width or girth not otherwise described and applying two coats of synthetic enamel paint, complete all as specified and directed.

Taking down chowkhat or frames with shutters (without taking off shutters from the frame) area exc 1.5 Sqm and n.exc.4.00 Sqm each wooden all as directed.

Taking down chowkhat or frames with shutters (without taking off shutters from the frame) area n.exc. 1.5 Sqm each all as directed.

S&F powder coating aluminium grill (anodised transparent or dyed to required shade according to IS: 1868 with minimum anodic coating of grade AC 15) of approved design/pattern, with approved standard section and fixed to the existing window frame with C.P. brass/ stainless steel screws @ 200 mm centre to centre, including cutting the grill to proper opening size for fixing and operation of handles and fixing approved anodised aluminium standard section around the opening, all complete as per requirement and direction of Engineer-in- charge.

Supplying and installing rectangular & curved/arch uPVC- Fixed windows made out of lead free green profiles having a worldwide presence with a GREENLINE mark with frame dimension of 58mm x 52mm x 33mm for windows with corners fusion welded, fully reinforced with Galvanized steel of 1.2mm . The physical properties of the profiles like Vicat softening temperature, density, tensile strength, hardness, weatherability, impact strength and Modulus of Elasticity should be tested in accordance with ASTM/DIN-ISO standards and the thermal conductivity as per IS standards. The profile manufacturer should be a certified member of IGBC and should have extrusion facility in India and the windows to be assembled and installed by an authorised local fabrication partner . The windows must be installed complete with all kinds of ironmongery in Ist quality (including EPDM gaskets, bridging wedges and glass packers) and with suitable water draining system. Application of Silicon sealant from Inside and Outside of Dowcorning / GE or equivalent. The profiles should be of an international brand having factories in multiple countries and having a warranty of 20 years. The profiles should conform to BSI Quality Management System ISO 9001-2015 and Environmental Management System ISO 14001-2015 of Make Kommerling/Fanesta or equivalent model in other makes and also scaffolding if required for fixing is deemed to include in the rate quoted.

Supplying and installing uPVC- Sliding windows/doors made out of lead free green profiles having a worldwide presence with a GREENLINE mark having three tracks and three sashes (shutters) with frame dimension of 104mm x 49mm and sash dimension of 61mm x 47mm x 37mm each with middle sash fixed with corners fusion welded, fully reinforced with Galvanized steel of 1.2 mm. The physical properties of the profiles like Vicat softening temperature, density, tensile strength, hardness, weatherability, impact strength and Modulus of Elasticity should be tested in accordance with ASTM/DIN-ISO standards and the thermal conductivity as per IS standards. The profile manufacturer should be a certified member of IGBC and should have extrusion facility in India and the windows to be assembled and installed by an authorised fabrication partner . The windows must be installed complete with all kinds of ironmongery in Ist quality (including EPDM gaskets, bridging wedges and glass packers) and with suitable water draining system. Application of Silicon sealant from Inside and Outside of Dowcorning / GE or equivalent. The profiles should be of an international brand having factories in multiple countries and having a warranty of 20 years. The profiles should conform to BSI Quality Management System ISO 9001-2015 and Environmental Management System ISO 14001-2015 of Make Kommerling/Fanesta or equivalent model in other makes and also scaffolding if required for fixing is deemed to include in the rate quoted.

Supplying and installing uPVC- Sliding windows/doors made out of lead free green profiles having a worldwide presence with a GREENLINE mark having two tracks and two sashes (shutters) with frame dimension of 58mm x 49mm and sash dimension of 61mm x 47mm x 37mm with corners fusion welded, fully reinforced with Galvanized steel of 1.2 mm.The physical properties of the profiles like Vicat softening temperature, density, tensile strength, hardness, weatherability, impact strength and Modulus of Elasticity should be tested in accordance with ASTM/DIN-ISO standards and the thermal conductivity as per IS standards. The profile manufacturer should be a certified member of IGBC and should have extrusion facility in India and the windows to be assembled and installed by an authorised fabrication partner . The windows must be installed complete with all kinds of ironmongery in Ist quality (including EPDM gaskets, bridging wedges and glass packers) and with suitable water draining system. Application of Silicon sealant from Inside / Outside of Dowcorning / GE or equivalent. The profiles should be of an international brand having factories in multiple countries and having a warranty of 20 years. The profiles should conform to BSI Quality Management System ISO 9001-2015 and Environmental Management System ISO 14001-2015 of Make Kommerling / Fanesta or equivalent model in other makes and also scaffolding if required for fixing is deemed to include in the rate quoted.

M&L 5 mm thick Toughened glass as in hinged doors, partitions, windows, automatic doors and similar work including cutting to shape, drilling holes required, complete all as specified.

Forming jambs etc to openings (to foregoing item) including cutting, toothing and properly bonding into old work, also facing jointing and pointing to match existing work in cement mortar 1:4 complete all as specified and directed.

Making good under cills or over arches, lintels and bressumers, including all pinning when necessary in cement mortar 1:4 complete all as specified and directed.

Disconnecting existing water storage Tank of capacity exceeding 500 litres but not exceeding 1000 liters for cleaning of water tank, removing of mud, sludge etc and flushing with chlorine water including supply and fixing of any damaged accessories for water tank and re-connecting and refixing all connections complete all as specified and directed.

All as per item No.51 above, but exc 1000 litres and n exc 2000 litres capacity

Supply, hoisting and fixing rotational moulded polyethylene water storage tank (cylindrical vertical type with closed top) of capacity 1000 Litres, multi-layered (ISI marked), with GI tank nipple & cover, hoisted and fixed in position all as specified in SSR Part-I incl dismantling of existing unsv tank complete all as specified and directed.

S&F 25 mm bore Ball brass valves, high pressure, with HDPE float and flynut complete, screwed for iron pipe or brass ferrule and fixed, as in repairs, complete all as specified and directed. (MAKE : PRAYAG, Cat No. B-153 or equivalent model in JEXON / POLYTUF / SHAKTI)

S&F 110 mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls in foul places including necessary scaffolding upto any height, complete all as specified and directed.

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

S&F Stack clamps made out of 50mm x 5mm flat iron and 16mm dia round iron stay, including bolts and nuts and securing ends of stay to wall or roof of 110mm dia pipe, complete all as specified and directed.

SRI BHOOMIJ INFRAPROJECTS & SERVICES LLP

Shanti Construction Company

KT CONSTRUCTIONS

HYDROTEC

PRABIR TRADERS

JAGATMATA ENTERPRISE

KAMAKHYA TRADERS