tender for Netaji NagarCollege, N.S.C., Bose Road, Kolkata-700092 --- Repair including roof treatment.- 1 Dismantling all types of plain cement concreteworks, stacking serviceable materials at site andremoving rubbish as directed within a lead of 75m.In 3rd floor 2 In 4th floor 3 Dismantling artificial stone flooring upto 50 mm.thick by carefully chiselling without damaging thebase and removing rubbish as directed within alead of 75 m.a) In ground floor including roof.In 1st Floor 4 Stripping off worn out plaster and raking outjoints of walls, celings etc. upto any height and inany floor including removing rubbish within alead of 75m as directed. 5 Cleaning the exposed reinforcement preferably upto full diameter by wirebrush, applying two coats of polymer based rust removing compound left for24 hours, removing the coating and then applying two (2) coats of polymermodified anti corrosive protective coating formulated to inhibit the corrosionof reinforcement as per manufacturers specification] [Mode ofmeasurement:The affected surface area of reinforcement shall beconsidered for payment] 6 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.(i) Pakur VarietyIn 2nd floor 7 In 3rd Floor 8 In 4th floor 9 (a) Applying 2 coats of bonding agent with synthetic multi functional rubberemulsion having adhesive and water proofing properties by mixing with waterin proportion (1 bonding agent : 4 water : 6 cement) as per Manufacturersspecification [Cement to be supplied by the Department] 10 Brick work with 1st class bricks in cement mortar (1:6)(b) In superstructure, ground floorIn 3rd Floor 11 In 4th floor 12 Repairs to roof cracks with cement and sand mortar (1:4) including cutting grooves and cleaning cracks and grouting the cracks with neat cement before repairs. (Cement 0.63Kg/Mtr. ) In 3rd floor & 5th floor 13 Roof treatment by application of non toxic polyurethane modified acrylic based single component ( P U Roof Coat) solvent free cold applied polyurethane modified elastomeric waterproofing membrance with execellant UV resistant capasity as per ASTM D6083 water based 100% acrylic elastomeric emulsion polymer latex coaating..... used as protective coating for roofs after preparing the surface by cleaning and repairing the roof cracks by cement & sand mortar (to be paid separately) if any, apply two coats along with a priming coat (two coats of PU roof coat and one coat of primer coat compatiable with main product as per manufactures specification ) and reinforced with or without 20 gsm Geotextile Fleece including cost of primer coat and basepreparation tools & plants but excluding the cost of scaffolding and stagging complete 14 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 (Ground floor).[Excludingcost of chipping over concrete surface] (i) With 1:6 cement mortar In 2nd Floor 15 In 3rd floor 16 In 4th floor 17 In 5th floor 18 (ii) With 1:4 Cement morter c) 10 mm thick plaster In 2nd floor 19 In 3rd Floor 20 In 4th floor 21 In 5th floor 22 Wood work in door and window frame fitted and fixed in position completeincluding 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).(f) Sishu, Gamar, Champ, Badam, Bhola, Mogra, Hallak. in 2nd floor 23 In 3rd Floor 24 In 4th floor 25 In 5thn floor 26 Supplying, fitting and fixing fibre reinforced polymer (FRP) Composite door frame as per approved section with glass fibre reinforced plastic moulded skins and a special sandwich core, so as to impart monolitaheic composite structure as per approved technology of Department of Science and Technology (DST) tosafisfy IS: 4020 door testing performance criteria..(i) 66mm x 90mm 27 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. (In case of non-supply of single plank, penal rate of reduction of 20% will be made)(iii) 35mm thick shutters with 19mm thick panel of size 30 to 45 cm.(b) Sishu, Gamar, Champ,Badam,Bhola, Mogra, Hallak.in 2nd floor 28 In 3rd Floor 29 In 4th floor 30 In 5th floor 31 Fixed louver shutters of doors and windows as per design, including fitting & fixing same in position but excluding the cost of hinges and other fittings inground floor.(iii) 35mm thick shutters with 12mm thick valve(b) Sishu, Gamar, Champ,Badam,Bhola, Mogra, Hallak. in 2nd floor 32 In 3rd floor 33 In4th floor 34 Labour for taking out door and window frame including shutter for repair orreplacement of different parts of the frame & refixing the same including mendinggood all damaes complete. (Concrete and brick work for mending damage will bepaid separately)(a) Upto area 2.5 Sq.m 35 Taking out shutter of door and window, dismantling by parts (for repair or replacement of damaged parts) , reassembling and refitting and rehanging same with old fittings but with new screws as necessary. (Where different parts of same shutter are renewed under different item, payment under item 73 will bemade once only). 36 Styles and rails of wooden shutters fitted and fixed complete. (Payment to bemade on area of new work only). In Ground Floor:(ii) 35mm Thick shutter.(b) Sishu,Gamar, Champ,Badam,Bhola, Mogra, Hallak. 37 Supplying, fitting and fixing M.S. clamps for door and window frame made of flat bent bar, end bifurcated with necessary screws etc. by cement concrete(1:2:4) as per direction. (Cost of concrete will be paid separately)(b) 40mm X 6mm, 200mm Length 38 Anodised aluminium butt hinges of approved quality manufactured from extruded section conforming to I.S. specification (I.S. 205/66) and fitted and fixed with cadmium plated screws:(v) 100 x 63 x 3.2mm. 39 Anodised aluminium Aldrop / Sliding bolts of approved quality manufactured from extruded section conforming to I.S. specification (I.S. 2681/66) fitted and fixed complete.(iv) 300mm x 19mm dia. bolt. 40 Anodised aluminium barrel / tower / socket bolt (full covered) of approved manufactured from extruded section conforming to I.S. 204/74 fitted and fixedwith cadmium plated screws:(vii) 225mm long x 10mm dia. bolt. 41 Supplying, fitting & fixing fibre reinforced polymer (FRP) Composite door shutters as per approved design with glass fibre reinforced plastic moulded skins and a special sandwich core, so as to impart monolitaheic composite structure as per approved technology of Department of Science and Technology (DST) to satisfy IS:4020 door testing performance criteria.In ground floor.(i) 32 mm thick 42 Supplying, fitting and fixing windows and ventilators with or without integrated grills conforming to IS 1038-1975 and manufactured from rolled steel sections conforming to IS 7452-1974 with non-friction projecting type, box type hinges, glazing clips, lugs locking bracket, handle plate etc, including hoisting in position, straightening if required, fixing lugs in cement concrete ( 1:2:4) with stone chips 20 mm down cutting holes and mending good damages to match with existing surface complete in all respect excluding glazing.Without integrated grills.(b) Openable steel windows as per IS sizes with side hung shutters and horizotal glazing bars. [The extra rate admissible for the openable portion only] 43 (a) 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 ground floor.(Add extra @ 1% for each addl. floor upto 4th floor and @ 1.25% for each addl. floor above 4th floor)(i)Grill weighing above 10 Kg./sq.mtr and up to 16 Kg./sq. mtr.In 2nd Floor 44 In 3rd Floor 45 In 4th floor 46 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)(i) 3 mm thick (weighing 7.4 kg/Sq.m) 47 a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sandpapering etc. 48 (A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. includingusing of approved putty etc. on the surface, if necessary:b) On steel or other metal surface :With super gloss (hi-gloss) (iv) Two coats (with any shade except white) 49 (b) Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. 50 (A) Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. includingusing of approved putty etc. on the surface, if necessary:(a) On timber or plastered surface :With super gloss (hi-gloss)(iv) Two coats (with any shade except white) 51 Lifting up bodily (1.5 x 0.9 x 0.9) meters wooden work bench table with drawers or reagent racks along with sink and waste pipe and removing the same outside the room carefully without disturbing or damaging other furniture and resetting again after completion of channel drain construction. 52 Removal of rubbish,earth etc. from the workingsite and disposal of the same beyond thecompound, in conformity with the Municipal /Corporation Rules for such disposal, loading intotruck and cleaning the site in all respect as perdirection of Engineer in charge 53 (a) Applying 2 coats of bonding agent with synthetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with waterin proportion (1 bonding agent : 4 water : 6 cement) as per Manufacturers specification [Cement to be supplied by the Department] 54 Cutting chase upto 125 x 150 mm. and subsequentmending of damages. (a) in brick wall[Cement-3.6 Kg/Mtr] 55 Supplying and laying true to line and level vitrified tiles of approved brand (size not less than 600 mm X 600 mm X 10 mm thick) in floor, skirting etc. set in 20 mm sand cement mortar (1:4) and 2 mm thick cement slurry back side of tiles using cement @ 2.91Kg./sqM or using polymerised adhesive(6 mm thick layer applied directly over finished artificial stone floor/Mosaic etc without any backing course) laid after application slurry using 1.75 Kg of cement per sqM below mortar only, joints grouted with admixture of white cement and colouring pigment to match with colour of tiles / epoxygrout materials of approved make as directed and removal of wax coating of top surface of tiles with warm water and polishing the tiles using soft and dry cloth upto mirror finish complete including the cost of materials, labour and all other incidental charges complete true to the manufacturers specification and direction of Engineer-in-Charge. (Whitecement, synthetic adhesive and grout material to be suppliedby the contrr]e)I(I) With application slurry @1.75 kg/ Sq.m, 20 mm sand cement mortar (1:4) & 2 mm thick cement slurry at back side of tiles, 0.2 kg/ Sq.m white cement for joint filling with pigment.(A) Deep Colour & White(B) Light Colour 56 Acrylic Distemper to interior wall, ceiling with a coat of solvent based interior grade acrylic primer (as per manufacturers specification)including cleaning and smoothning of surface.Two Coats 57 Removing old scales, blisters etc. of interior surface of walls,ceiling by scraping etc. and preparing smooth and even surface with rendering or cement mortar (1:2) (as necessary), to make the surface suitable for receiving distemper. (Payment against this item will be made only when this has been done on the specific direction of the Engineer-in-charge). 58 Supplying, fitting & fixing 1st quality Ceramic tiles in walls and floors to match with the existing work & 4 nos. of key stones (10mm) fixed with araldite at the back of each tile & finishing the joints with white cement mixed with colouring oxide if required to match the colour of tiles includingroughening of concrete surface, if necessary or by synthetic adhesive & grout materials etc.(A) FloorWith Sand Cement Mortar (1:4) 20 mm thick & 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg/Sq.m & joint filling using white cement slurry @ 0.20kg/Sq.m.(a) Area of each tile upto 0.09 Sq.m(i) Coloured decorative 59 (B) WallWith Sand Cement Mortar (1:3) 15 mm thick & 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg/Sq.m & joint filling using white cement slurry @ 0.20kg/Sq.m.(a) Area of each tile upto 0.09 Sq.m(i) Coloured decorative 60 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.A) UPVC Pipes:(ii)110 mm. Dia. 61 c) Bend 87.5 degree(ii)110 mm. Dia. 62 d) Shoe(ii)110 mm. Dia. 63 Dismantling E.P. or Anglo-Indian W.C. 64 Dismantling urinal. 65 Supplying, fitting and fixing E.W.C. in white glazed vitreous chinaware of approved make complete in position with necessary bolts, nuts etc.(a) With P trap 66 Supplying, fitting and fixing Closet seat of approved make with lid and C.P. hinges, rubber buffer and brass screws complete.(a) E.W.C.(iv)Bestolite (solid type) white 67 Supplying, fitting and fixing Flat back urinal (half stall urinal) in white vitreous chinaware of approved make in position with brass screws on 75 mm X 75 mm X 75 mm wooden blocks complete.(i) 635 mm X 395 mm X 420 mm 68 Dismantling wash basin with brackets with or without waste fittings. 69 Supplying, fitting and fixing white vitreous china best quality approved make wash basin with C.I. brackets on 75 mm X 75 mm wooden blocks,C.P. waste fittings of 32 mm dia., one approved quality brass C.P. pillar cock of 15 mm dia., C.P. chain with rubber plug of 30 mm dia., approvedquality P.V.C. waste pipe with C.P. nut 32 mm dia., 900 mm long approved quality P.V.C. connection pipe with heavy brass C.P. nut including mending good all damages and painting the brackets with two coats ofapproved paint.(ii)550 mm X 400 mm size 70 Supplying, fitting and fixing urinal flush pipe fittings of approved brand.(a) C.P. urinal flush pipe fittings range of one 71 Supplying, fitting and fixing CPVC (ChlorinatedPolyvinyl Chloride) pipes of approved make conformingto IS-15778: 2007 . with all necessary accessories,specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. (b) For ConcealedWork (i) CPVC Pipes Class-1,SDR-1115 mm 72 20 mm 73 (a) For Exposed Work(i) CPVC Pipes Class-1, SDR-1150 mm 74 Supplying, fitting and fixing bib cock or stop cock.(a) (i) Chromium plated Bib Cock short body (Equivalent to Code No. 511 & Model - Tropical / Sumthing Special of ESSCO or similar brand). 75 (b) (i) Chromium plated Stop Cock (Equivalent to Code No. 513(A) & 513(B) & Model - Tropical / Sumthing Special of ESSCO or similar 76 (ii) Chromium plated Concealed Stop Cock (Equivalent to Code No. 514(A) & Model - Tropical / Sumthing Special of ESSCO or similarbrand). 77 Supplying, fitting and fixing 10 litre P.V.C. low-down cistern conforming to I.S. specification with P.V.C. fittings complete,C.I. brackets including two coats of painting to bracket etc. 78 Repairing crack in wall by cement grouting (1 : 2) including widening the crack on the surface (into V section) cleaning and packing the same with cement mortar (1 : 2) and finishing off to match with adjacent surface.(Cement-69 Kg/100 m) 79 Sub Total 80 GST 18% 81 CESS 1%
