West Bengal Transport Corporation Limited Tender

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. Depth of excavation not exceeding 1,500 mm.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

Hire and labour charges for shoring work (including necessary close plank walling, framing, Eucalyptus/Jhou bulla piling, strutting etc) complete as per direction of the Engineer-in-charge for foundation excavation (vertical surface are in contact. with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge).

i) Depth upto 1.5 m.

ii) For additional depth beyond 1.5 m. and upto 3.00 m

Bailing or pumping out water from foundation trenches. This item should be executed on the specific direction of the Engineer-in-charges when he is satisfied in his absolute discretion, that this has not been necessitated due to any fault on the part of the contractor.

Cement concrete with graded stone ballast (40 mm size excluding shuttering) In ground floor, Proportion 6 : 3 : 1

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete including fitting, fixing and striking out after completion of works (up to roof of ground floor), 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. a) For works in foundation and upto roof of ground floor/upto 4 m Tor steel/Mild Steel I. SAIL/ TATA/RINL

Supplying ready mixed concrete of M 25 Grade with well graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu.m of wet concrete produced in computerised batching plant under controlled condition using approved super plastisizer, designing concrete mix following I.S. 10262 and I.S. 456, transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required levels of concreting and then placing the mix in its final location of form work compacting and curing the same complete as per specification & direction of the Engineer-in-charge including computerised batching plant transit mixer with all accessories vibrators etc. inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its supporting staging which would be paid through separate item. [cement to be supplied by the Manufacturer/ supplier] In Ground Floor and Foundation.With approved concrete pump.

Brick work with 1st class bricks in cement mortar (1:6) In superstructure, ground floor

Brick work with 1st class bricks in cement mortar (1:6) in foundation and plinth .

125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary 9Ground floor). [excluding cost of chipping over concrete surface] cement Morter, 20 mm. thick plaster. (1 : 6)

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary 9Ground floor). [excluding cost of chipping over concrete surface] cement Morter, 10 mm. thick plaster. (1 : 4)

Supplying, fitting and fixing cast iron heavy type spiral staircase of approved design with 50 mm.dia. Stem and C.I. Steps 150 mm as per design 900 mm. high C.I, railing including necessary M.S. tie of suitable section embedded to wall with cement concrete (1:2:4) including cost of intermediate C.I. platform secured with necessary tie to stem and wall with cement concrete (1:2:4) including fixing the stem in ground with cement concrete (1:3:6) complete in all respect with all labour and materials. With 900 mm.dia. well

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as per relevant IS codes. Pakur variety

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc. Note : Cement 0.152 cu.m. per 100 sq.m.

Supplying & laying 3mm thick pre-fabricated plastomericwater proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per sqm & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/sqm of manufacturer's specification on smooth,clean dry surface prepared wherever required.Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage, complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. Membrane Property: Softening Point 150 deg C, Cold Flexibility -6 deg C, Tensile Strength, N/cm : 600 (longitudinal), 450 (transverse), Tearing Strength, N: 300 (longitudinal), 200 (transverse)

Cutting chase upto 125 x 150 mm. and subsequent mending of damages, in brick wall

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. Pakur Variety.

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. In ground floor. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement). Using grey cement.35 mm. thick

Supplying, fitting and fixing steel rolling shutter profile type with 18 B.G . of approved type steel latche section 75mm wide, fitted with coil wire spring to necessiate the fitting of required Nos. of C.I. Pulleys on heavy type solid drawn seamless steel tube complete with locking arrangements both inside and outside specially built up side guide channels including providing a hood for the steel rolling shutter in the room, painting two coats of approved aluminium paint over a coat of red lead primer complete.

Removal of rubbish, earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge.

Supplying, fitting & fixing of 2-Track / 3-Track Aluminium sliding Window of all Aluminium sections viz. window frame (top,bottom & side frame), shutter (top, bottom, side & interlock member) made of aluminium alloy extrusions conforming to IS 733-1983 & IS 1285-1975, anodised conforming to IS 1868-1983, fitted with all other accessories viz. PVC roller, EPDM gasket, maruti lock, screws etc. including labour charges for fitting & fixing of aluminium 2-track/3-track sliding window with fixing of glass (excluding cost of glass) all complete as per architectural drawings and direction of Engineer-in-charge. 10-12 Micron thickness Annodizing film.Natural white.

Supplying best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. (In all floors for internal wall & upto 6 m height for external wall). 3 mm thick (weighing 7.4 kg/Sq.m)

Supplying, fitting & fixing UPVC pipes A Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid/Bitumen/M-Seal etc) complete.

i) UPVC Pipes 110 mm dia

ii) Plain Tee 110 mm dia

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. In Ground Floor: One Coat.

Protective and Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's specification and as per direction of Engineer-in-Charge to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. In Ground floor (Two Coat) Super Protective 100% Acrylic Emulsion.

Applying Interior grade Acrylic Primer of approved quality and brand on plastered or cencrete surface old or new surface to receive Distemper/ Acrylic emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. (In All Floors), One Coat

Acrylic Distemper to interior wall, ceiling with a coat of solvent based interior grade acrylic primer (as per manufacturer's specification) including cleaning and smoothning of surface. Two Coats

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including moothening surfaces by sand papering etc.

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : On timber or plastered surface : With super gloss (hi-gloss) -Two coats (with any shade except white)

Supplying & fixing earth busbar of galvanized (hot dip) ms flat 75 mm / 8 mm on wall having clearance of 6 mm from wall including providing drilled holes on the bus bar complete with GI bolts, nuts, washers spacing insulator etc. as required.

Supplying, fitting & fixing fire resistant door frame conforming to IS:3614, tested and certified as per laboratory approved by Engineerin- charge, of section 143 x 57 mm having built in rebate made out of 16 SWG G.I.sheet (zinc coating not less than 120 gm/sqm) duly filled with vermuculite based concrete mix, suitable for mounting 120 minutes fire rated door shutters. The frame is fitted with intumescent fire seal strip of size 10x4 mm (minimum) alround the frame and fixing with back plate bracket and anchor fastener of approved size and make. Rubber door silencers should be provided on striking jamb. Supplying, fitting & fixing fire resistant Door leaf of 46 mm thick fully flush double skin glazed fire resistant door shutters with or without vision lite, of 120 minutes fire rating conforming to IS:3614 (Part-II), tested and certified as per laboratory approved by Engineer-in-charge, with suitable mounting on door frame, consisting of vertical styles, lock rail, top rail 100 mm wide, bottom rail 200 mm wide, made out of 18 SWG G.I. sheet (zinc coating not less than 120 gm/ m2) duly filled heat-resistant phenolic resin bonded insulation material (honeycomb craft) and fixing with necessary stainless steel ball bearing hinges of approved make. For pair of doors astragals has to be provided on the meeting stile for both active and inactive leaf. Vision lite wherever applicable should be provided as per manufacturer recommendation with a beeding and screw from inside. The glass should be 6mm clear borosilicate fire rated glass of relevant rating. All door and frames shall be finished with polyurethene aliphatic grade paint of approved colour including applying a coat of approved brand fire resistant primer. The door leaf and frame shall have passed minimum 250 hours of salt spray test. Rate should include supply and installation complete as per direction of Engineerin- charge. 2 hour Fire rated door double leaf of size (800 mm x 2100 mm)

Welding in M.S. structural work with gas or electric:

i)     Tack weld

ii) Continuous weld.

Painting with ready mixed Black Japan of approved make and brand including smoothening surface. Two Coats

Supplying, fitting and fixing cast iron spun pipe conforming to I.S. 1536/1976 with all necessary specials including cutting trenches in any soil or through masonry, concrete etc., if necessary, and mending good all damages including jointing pipes with Tyton joints as per manufacturer's specifications and filling up the trenches all complete but excluding the cost of masonry or concrete work, if required. 100 mm nominal dia.

Supplying, Aluminium Grill with F channel frame of approved make and brand having ultimate tensile strength of 19 Kg/Sq.m. and modulus of elasticity 7000 kg/ sq.m., with 15 micron anodised fitted & fixed with necessary screws etc. complete as per direction of Engineer-in-charge. Grill made with 10 mm wide and 5.2 mm thick aluminium sheet having expansion width of 66.00 mm and weight not less than 3.26 Kg/Sq.m.

Special Note : 1. Specification of the Individual item would be followed as per presidency circle schedule P.W.D. Govt. of West Bengal, currently in vogue. However, the payment would be made as per actual work done and joint measurement at site. 2. Steel and cement to be supplied by the agency at their own arrangement and the rate should be quoted accordingly, Cement - JINDAL (JSW), A.C.C., Ambuja, Ultratech brand to be supplied and steel - SAIL, SRMB, TATA, RINL brand to be supplied, if any. For Ready Mix Concrete, any of the following brand should be used by the vendor; Ultratech / Ambuja / A.C.C. / JSW. All challans copy of RMC, duly authenticated by the agency, have to be submitted to this Company. 3. All information regarding site conditions would be obtained before quoting their rates. 4. The security deposit should be deducted by the company as per prevailing rules. The said security deposit shall be refunded on the expiry of six (6) months (as defect liability period) after completion of the work. Refund of security deposit shall be allowed till the final bill has been prepared and passed. 5. The rate of GST will be effected separately, as applicable. 6. The IT and any other Tax, as applicable, would be deducted from the bill amount.