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tender for Execution Of Various Works At Bungalow Side Of Falta Experimental Farm, Bose Institute, Kolkata.-1 EARTH WORK 1.1 Banking excavated earth by mechanical / manual means in layers not exceeding 20 cm in depth, breaking clods, watering, rolling each layer with 0.5 tonne roller, or wooden or steel ramnners, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up, in embankments for roads, flood banks, marginal banks, and guide banks etc., lead upto 50 m and for all lift: 1.1.1 All kinds of soil 1.2 Deduct for not rolling with power roller of minimum 8 tonnes for banking excavated earth in layers not exceeding 20 cm in depth. 1.3 Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. 1.3.1 All kinds of soil. 1.4 Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete. Sub-Total 2 CEMENT CONCRETE (CAST IN SITU) 2.1 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 2.1.1 1:2:4 (1 cement : 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 2.2 Making plinth protection 50 mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone- Ill) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75 mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth. Sub-Total 3 MASONRY WORK 3.1 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: 3.1.1 Cement mortar 1:6(1 cement :6 coarse sand) 4 CLADDING WORK 4.1 Providing and fixing 1st quality ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3(1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete. Sub-Total 5 WOOD AND P. V. C. WORK 5.1 Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately). 5.1.1 Sal wood 5.2 Providing and fixing panelling or panelling and glazing in panelled or panelled and glazed shutters for doors, windows and clerestory windows (Area of opening for panel inserts excluding portion inside grooves or rebates to be measured). Panelling for panelled or panelled and glazed shutters 25 mm to 40 mm thick. 5.2.1 Second class teak wood 5.3 Extra for providing frosted glass panes 4 mm thick (weight not less than 10 kg per sqm) instead of ordinary float glass panes 4 mm thick (weight not less than 10 kg per sqm) in doors, windows and clerestory window shutters. (Area of opening for glass panes excluding portion inside rebate shall be measured). 5.4 Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part I) decorative type, core of block board construction with frame of 1st class hard wood and well matched teak 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters. 5.4.1 35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws 5.5 Extra for providing lipping with 2nd class teak wood battens 25 mm minimum depth on all edges of flush door shutters (over all area of door shutter to be measured). 5.6 Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete. 5.6.1 Fixed to openings /wooden frames with rawl plugs screws etc. 5.7 Providing and fixing aluminium sliding door bolts, ISI marked anodised (anodic coating not less than grade AC 10 as per IS: 1868), transparent or dyed to required colour or shade, with nuts and screws etc. complete : 5.7.1 250x16 mm 5.8 Providing and fixing aluminium tower bolts, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade, with necessary screws etc. complete : 5.8.1 300x10 mm 5.9 Providing and fixing aluminium handles, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade, with necessary screws etc. complete : 5.9.1 125 mm 5.10 Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete. 5.10.1 Twin rubber stopper Sub-Total 6 STEEL WORK 6.1 Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 6.2 Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. 6.2.1 Hot finished seamless type tubes 6.3 Providing and fixing mild steel round holding down bolts with nuts and washer plates complete. 6.4 Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. 6.4.1 In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works Sub-Total 7 FLOORING 7.1 Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 7.1.1 40 mm thick with 20 mm nominal size stone aggregate 7.2 Providing and laying rectified Glazed Ceramic floor tiles of size 300x300 mm or more (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make, in colours White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement: 4 Coarse sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc., complete. Sub-Total 8 ROOFING 8.1 Providing gola 75x75 mm in cement concrete 1:2:4(1 cement :2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement: 3 fine sand) as per standard design : 8.1.1 In 75x75 mm deep chase 8.2 Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 8.2.1 110 mm diameter 8.3 Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS :5382, leaving 10 mm gap for thermal expansion. 8.3.1 Single tee with door 8.3.1.1 110x110x110 mm 8.3.2 Bend 87.5° 8.3.2.1 110 mm bend 8.3.3 Shoe (Plain) 8.3.3.1 110 mm Shoe 8.4 Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hard wood plugs, screwed with M.S. screws of required length, including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete. 8.4.1 110 mm Sub-Total 9 FINISHING 9.1 12 mm cement plaster of mix: 9.1.1 1:6(1 cement: 6 fine sand) 9.2 15 mm cement plaster on the rough side of single or half brick wall of mix: 9.2.1 1:6 (1 cement: 6 fine sand) 9.3 6 mm cement plaster of mix: 9.3.1 1:3(1 cement :3 fine sand) 9.4 Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: 9.4.1 Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture 9.5 Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete. 9.6 Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour. 9.6.1 Two coats 9.7 Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content. 9.7.1 With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre 9.8 Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. 9.9 Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade 9.9.1 Old work (Two or more coats applied @ 1.43 V/ 10 sqm) over existing cement paint surface Sub-Total 10 SANITARY INSTALLATIONS 10.1 Providing and fixing white vitreous china pedestal type water closet (European type) with seat and lid, 10 litre low level white vitreous china flushing cistern & C.P. flush bend with fittings & C.I. brackets, 40 mm flush bend, overflow arrangement with specials of standard make and mosquito proof coupling of approved municipal design complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required : 10.1.1 W.C. pan with ISI marked white solid plastic seat and lid 10.2 Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require: 10.2.1 White Vitreous China Wash basin size 630x450 mm with a pair of 15 mm C.P. brass pillar taps 10.3 Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. 10.3.1 Flexible pipe 10.3.1.1 32 mm dia 10.4 Providing and fixing M.S. holder-bat clamps of approved design to Sand Cast iron/cast iron (spun) pipe embedded in and including cement concrete blocks 10x10x10 cm of 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), including cost of cutting holes and making good the walls etc. : 10.4.1 For 100 mm dia pipe 10.5 Providing and fixing bend of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete. 10.5.1 100 mm dia 10.5.1.1 Sand cast iron S&S as per IS - 3989 10.6 Providing and fixing plain bend of required degree. 10.6.1 100 mm dia 10.6.1.1 Sand cast iron S&S as per IS : 3989 10.7 Providing and fixing double equal junction of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete : 10.7.1 100x100x100x100 mm 10.7.1.1 Sand cast iron S&S as per IS - 3989 10.8 Providing and fixing single equal plain junction of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete. 10.8.1 100x100x100 mm 10.8.1.1 Sand cast iron S&S as per IS - 3989 10.9 Providing and fixing single equal plain junction of required degree : 10.9.1 100x100x100 mm 10.9.1.1 Sand cast iron S&S as per IS - 3989 10.1 Providing and fixing M.S. stays and clamps for sand cast iron/ centrifugally cast (spun) iron pipes of diameter : 10.10.1 100 mm 10.11 Providing and fixing trap of self cleansing design with screwed down or hinged grating with or without vent arm complete, including cost of cutting and making good the walls and floors : 10.11.1 100 mm inlet and 100 mm outlet 10.11.1.1 Sand cast iron S&S as per IS: 3989 Sub-Total 11 WATER SUPPLY 11.1 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply and all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall 11.1.1 40 mm nominal dia Pipes 11.2 Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings and fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer in Charge. Concealed work, including cutting chases and making good the walls etc. 11.2.1 20 mm nominal dia Pipes 11.2.2 25 mm nominal dia Pipes 11.3 Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 11.3.1 25 mm nominal bore 11.3.2 40 mm nominal bore 11.4 Providing and fixing uplasticised PVC connection pipe with brass unions : 11.4.1 30 cm length 11.4.1.1 15 mm nominal bore 11.5 Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. 11.6 Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931 : 11.6.1 15 mm nominal bore 11.7 Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms. 11.7.1 15 mm nominal bore 11.8 Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931. 11.8.1 15 mm nominal bore 11.9 Providing and fixing PTMT grating of approved quality and colour. 11.9.1 Circular type 11.9.1.1 100 mm nominal dia Sub-Total 12 WATER PROOFING 12.1 Grading roof for water proofing treatment with 12.1.1 Cement mortar 1:3 (1 cement : 3 coarse sand) Sub-Total 13 NEW TECHNOLOGIES AND MATERIALS 13.1 Providing & fixing false ceiling at all heights with GRG (Glass Fibre Reinforced Gypsum) false ceiling tiles of Size 595x595 mm of approved texture, design and patterns having moisture content less than 2%, humidity resistance of 99%, NRC0.50 to 0.75 as per IS 8225:1987, Non combustible as per BS 476 (part 4)-1970 and light reflectance of 85% (minimum) to be laid in true horizontal level suspended on inter-locking metal T-Grid of hot dipped galvanised iron section of 0.33 mm thick (galvanized @ 120 gram per sqm including both sides) comprising of main-T runners of size 15x32 mm of length 3000 mm, cross - T of size 15x32 mm of length 1200 mm and secondary intermediate cross-T of size 15x32 mm of length 600 mm to form grid module of size 600 x 600 mm, suspended from ceiling using galvanised mild steel items (galvanizing @ 80 grams per sqm) i.e. 50 mm long, 8 mm outer diameter M-6 dash fasteners, 6 mm dia fully threaded hanger rod upto 1000 mm length and L-shape level adjuster of size 85x25x2 mm. Galvanised iron perimeter wall angle of size 24x24x0.40 mm of length 3000 mm to be fixed on periphery wall / partition with the help of plastic rawl plugs at 450 mm center to center and 40 mm long dry wall wood screws. The work shall be carried out as per specifications, drawing and as per directions of the Engineer-in-Charge. 13.1.1 With fully perforated 12 mm thick micro tegular edged or 10 mm thick square edged GRG false ceiling tiles. Sub-Total Total Modified Estimated Cost after using correction factor on DSR 2023 on account of GST @ 0.973 on Add Cost Index @22% on Total 14 NON-SCHEDULE ITEMS 14.1 Providing and laying Polymer modified cementitious Waterproofing treatment to the Floor and wall surface after cleaning the surface thoroughly and making if free from dust and laitance and applying water proofing treatment to the surface with a first coat of Acrylic Polymer liquid admixed with 2 Kgs of cement and fixing fiber glass net and finishing with two more coats of Acrylic Polymer Liquid and 2.0 Kgs of cement with brushes after a gap of minimum 3 to 4 hours from each coat and as per the direction of the Engineer-in-Charge. 14.2 Covering the surface after completing the Polymer modified cementitious treatment work with a coat of BITUMINOUS ALUMINIUM Paint of STP / Berger / or Equivalent with Brushes on top of the Roof surface. 14.3 Providing and fixing precoated 50mm thick PU sandwiched @48kg/cum between galvanized iron profile sheets (size, shape and pitch of corrugation as approved by the Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length up to 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self-drilling /self-tapping screws of size (5.5x 55 mm) with EPDM seal, complete up to any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 14.4 Providing and laying 100 mm thick factory made cement concrete interlocking paver block of M-50 Grade made by block making machine with stong vibratory compactionof approved size, design and shape, laid in required colour and pattern over and including 50 mm thick compacted bed of coarse sand, fillig the joints with line sand etc all complete as per the Direction of Engineer-in-charge. 14.5 Providing and fixing C.P. brass finished Hand Shower (Health Faucet) with 8 mm Dia,1.2 Meter Long Flexible Tube & Wall Hook with N.R.V (Back Flow Preventer) of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.6 Providing and fixing CP Brass Single lever 3 way telephonic wall mixer of quality & make as approved by Engineer in charge. (a) 15 mm nominal dia 14.7 Providing and fixing Snow white vitreous china pedestal type water closet (European type W.C. pan) of approved brand and manufacture complete including cutting and making good the walls and floors wherever required. 14.8 Providing and fixing Snow white Under counter vitreous wash basin of approved brand and manufacture, 15mm pillar tap, 32mm C.P. brass waste of standard pattern i/c making good wherever required. (a) Wash basin excluding the cost of pillar tap. 14.9 Providing and fixing C.P. Pillar cock long neck Single lever Tall Boy of ‘JAQUAR’- Make (Code: FUS- 29005NB) or equivalent of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.1 Providing and fixing C.P. two in one bib cock or 2-way bib cock with wall flange of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.11 Providing and fixing C.P. angular stop cock with wall flange of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.12 Providing and fixing Swivel Towel Ring of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.13 Providing and fixing Toilet Roll Holder of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.14 Providing and fixing Tumbler Holder of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.15 Providing and fixing Swivel Mirror 615x445 mm oval shape of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.16 Providing and fixing Liquid Soap dispenser with glass bottle in toilet of approved brand and manufacture and as per direction of the Engineer-in-Charge. 14.17 Providing and fixing stainless steel soap tray of grade 304 of standard shape with screws of the same materials with fittings of approved quality all complete as per direction of the Engineer-in-Charge. 14.18 Providing and fixing SS Towel Rail 600 mm of approved model and make as per direction of the Engineer – in – Charge. 14.19 Providing and fixing C.P. Overhead Shower 120X120 mm Square Shape of approved brand and manufacture and as per direction of the Engineer – in – Charge. 14.2 Providing and fixing C.P. Urinal Valve auto closing system with built in control cock with wall flange of approved brand and manufacture and as per direction of the Engineer – in – Charge.
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