tender for Rejuvenation of 2nd Tubewell Site and Head Work Site Pump House at Jalapara Piped Water Supply Scheme under JalpaiguriDivision, P.H.E. Dte. Sl. No. Item Description 1 Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m a) In ground floor including roof. 2 Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75m. In ground floor including roof. (a) upto 150 mm. thick 3 Uprooting and removing plants from the surface of walls parapet etc and making good damages. (Repairing of damages to be paid separately). (a) Small plant of girth of exposed stem upto 75 mm. lift upto 6 mtr. 4 Stripping off worn out plaster and raking out joints of walls, celings etc, uptoany height and in any floor including removing rubbish and stacking anywhere within the compound as directed. 5 Dismantling artificial stone flooring upto 50 mm. thick by carefully chiselling without damaging the base and removing rubbish as directed within a lead of 75 m. a) In ground floor including roof. 6 Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge. 7 Removing corroded worn out portion of reinforcement (when the area of bar is damaged by more than 25%) by cutting and replacing the same by a new plain round bar of requisite diameter by binding with required lap / welding with old bar, including cost of reinforcement, complete in all respect including removing unserviceable materials from site as per direction of the Engineer - in - charge. Note : Payment on weight (Kg.) of new reinforcement. 8 Labour for taking out door and window frame including shutter for repair or replacement of different parts of the frame & refixing the same including mending good all damaes complete. (Concrete and brick work for mending damage will be paid separately) (a) Upto area 2.5 Sq.m 9 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. 10 Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc. including supply of rods, 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 inter-section, complete as per drawing and direction. (i) Tor steel/ Mild steel. JSW/JSPL/SHYAM/ SRMB/BMASL/ELECROSTEEL/SSL 11 Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. (b) River bazree 12 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. a) River bazree 13 Brick work with 1st class bricks in cement mortar (1:6) (b) In superstructure, ground floor. 14 125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor. 15 Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturers specification] [Mode of measurement:The affected surface area of reinforcement shall be considered for payment] 16 Applying epoxy based reactive joining agent for joining the old concrete with fresh concrete to be applied within manufacturers specified time as per manufacturers specification. (0.4 Kg / m² of concrete surface). Note: Applicable only when the full diameter of reinforcement steel is exposed. 17 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 slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor). a)25 mm to 30 mm thick shuttering without staging in foundation. 18 a)25 mm to 30 mm thick shuttering without staging in foundation. 19 (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. 20 Wood work in door and window frame fitted and fixed in position complete including a protective coat of painting at the contact surface of the frame exluding cost of concrete, Iron Butt Hinges and M.S clamps. (The quantum should be correted upto three decimals). (d) Sal : Local. 21 Panel shutters of door and window, as per design (each panel consisting of single plank without joint), including fitting and fixing the same in position but excluding the cost of hinge and other fittings. In ground floor. (iv) 25mm thick shutters with 12mm thick panel of size 30 to 45 cm. (b) Sishu, Gamar, Champ,Badam,Bhola, Mogra, Hallak. 22 M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in round floor. (i) Grill weighing above 10 Kg./sq.mtr and up to 16 Kg./sq. mtr. 23 Scraping of moss, blisters etc.thoroughly from exterior surface of walls necessitating the use of scraper, wire brush etc.(Payment against this item will be made only when this has been done on the specific direction of the Engineer-in-charge) 24 Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints or roughening of concrete surface, including throating, nosing and drip course where necessary (ground floor). (ii) With 1:4 cement mortar (b) 15 mm thick plaster 25 Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m. 26 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 (ii) 25 mm. thick 27 M.S. works in brackets made from flats, angles, tees etc. to sizes specialy bent, twisted, forged; making holes drilled and fitted to rafter of trusses with necessary bolts, nuts, washer or screws etc. (length of straight not less than 230 mm) 28 Priming one coat on steel and other metalsurface with synthetic enamel/ oil bound primer of approved quality including smooth ening surfaces by sand papering etc. 29 Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. 30 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 of necessary. (a) On timber or plastered surface : With super gloss (hi-gloss) - (iv) Two coats (with any shade except white) 31 (b) On steel or other metal surface : With super gloss (hi-gloss) (iv) Two coats (with any shade except white) 32 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 manufacturers specification and as per direction of the EIC. (In Ground Floor) (a) One Coat i) Water based interior grade Acrylic Primer 33 Applying exterior grade Acrylic primer of approved quality and brand on plaster & concrete surface old or new surface to receive decorative textureed (matt finish) or smooth finish Acrylic exterior emulsion paint including scraping & preparation the surface throughly complete as per manufacturers specification and as per direction of EIC. In Ground Floor: (b) Two Coats. 34 Protective and decorative acrylic exterior emulsion paint of approved quality as per manufacturers specification and as per direction of E.I.C. 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. a) Normal Acrylic Emulsion. In Ground floor (Two Coat). 35 Add GST @ 18% 36 Add Labour Wlfare Cess @1%
