Central Building Research Institute Tender

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:1½:3 (1 Cement: 1½ coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size) derived from natural sources: 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and Masonry wall of 200mm thick with stone blocks in superstructure above plinth level and upto floor five level, including leveling up with cement mortar (1 cement : 6 sand )and pointing with cement mortar (1:2) ( Stone block is a CSIR- CBRI Technology, Size of stone block -290x190x140mm cast in 1:5:8 cement concrete)

Providing & fixing stabilized mud concrete solid blocks (adobe) with 3% cement, masonry up to floor five level including hoisting and setting in position in mud mortar using approved quality mud with carriage of material complete.

Providing and laying factory made Precast concrete solid blocks of 200 mm thickness of grade M10 made ofC&D waste from approved manufacturer in superstructure above plinth level up to floor V level Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and supplying Spandrel Glass Panels comprising of 6 mm thick heat strengthened monolithicfloat glass of approved colour and shade with reflective soft coating on surface # 2 of approved colourand shade so as to match the colour and shade of the IGUs in the vision panels etc. ,all complete for therequired performances as specified, as per the Architectural drawings, as per the approved shopdrawings, as specified, and as directed by the Engineer- in- Charge.For payment, only the actual area of glass on face # 1 of the glass panels (but excluding the area ofgrooves and weather silicone sealant) provided and fixed in position, shall be measured in sqm.(Payment for fixing of Spandrel Glass Panels in the curtain glazing is included in cost of releventItem*).“(i) Coloured tinted float glass 6mm thick substrate with reflective soft coating on face # 2, havingproperties as visible Light transmittance (VLT) of 25 to 35 %, Light reflection internal 10 to 15%, lightreflection external 10 to 20 %, shading coefficient (0.25-0.28) and U value of 3.0 to 3.3 W/m2 K etc. . Theproperties of performance glass shall be decided by technical sanctioning authority as per the siterequirement.

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). Second class teak wood

Providing and fixing in all exterior face panels breathable vapour barrier underneath stone blocks as per National Building Code 2009 complete as per direction of Engineer-in-charge.

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Cold twisted bars

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Cold twisted bars

Centering and shuttering including strutting, propping etc. and removal of form for :-

Shelves (Cast in situ)

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Suspended floors, roofs, landings, balconies and access platform

Columns, Pillars, Piers, Abutments, Posts and Struts

Providing and laying Ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make, in all colours, shades, except White, Ivory, Grey, Fume Red Brown, laid on 50 mm thick bed of cement mortar 1:4 (1 Cement : 4 Coarse sand), jointing with grey cement slurry @ 3.3 kg/ sq.m including pointing the joints with white cement and matching pigments etc., complete.

Providing and fixing 12 mm thick pre-laminated flooring of approved brand as per direction of engineer incharge, complete job AC-4 including carriage

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including. Hot finished welded type tubes

Providing and fixing bolts including nuts and washers complete.

Providing and fixing factory made uPVC white colour casement/casement cum fixed glazed windowscomprising of uPVC multi-chambered frame, sash and mullion (where ever required) extruded profilesduly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process ofrequired length (shape & size according to uPVC profile), uPVC extruded glazing beads of appropriatedimension, EPDM gasket, stainless steel (SS 304 grade) friction hinges, zinc alloy (white powder coated)casement handles, G.I fasteners 100 x 8 mm size for fixing frame to finished wall, plastic packers, plasticcaps and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusionwelded at all corners, mullion (if required) shall be also fusion welded including drilling of holes for fixinghardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wallshall be filled with weather proof silicon sealant over backer rod of required size and of approved quality,all complete as per approved drawing & direction of Engineer-in-Charge. (Single / double glass panes andsilicon sealant shall be paid separately). Variation in profile dimension in higher side shall be acceptedbut no extra payment on this account shall be made. Note: For uPVC frame, sash and mullion extruded profiles minus 5% tolerance in dimension i.e. in depth& width of profile shall be acceptable.uPVC profile should be tested by BSI(UK) & SKZ(Germany) @25000 weathering hours Casement window double panels with top fixed with S.S. friction hinges (350 x 19 x 1.9 mm) made of (smal l series) frame 47 x 50 mm, sash 47 x 68 mm & mullion 47 x 68 mm all having wall thickness of 1.9 ± 0.2 mm and single glazing bead of appropriate dimension. ( Area of window upto 2.50 sqm). (Preffered brands Prominance, LG Hausys, Commercial, Finesta or equivalent make).

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 shutter 35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws

Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows, 5.5 mm thick glass panes

Providing and fixing ISI marked oxidised M.S. handles conforming to IS:4992 with necessary screws etc. complete : (copper oxidized as per IS: 1378) 125 mm

Providing and fixing bright finished brass hanging type floor door stopper with necessary screws, etc. complete.

Providing and applying polyurethane insulation foam in the exterior cavity walls of thickness 75 mm. All work complete (Consumption 40 kg/Cum)

Providing and fixing 75 mm thick extruded polystyrene rigid insulation board of required size for flooring, complying with ISO 4898:2008 & ASTM C 578-08b - type VI, having thermalconductivity of 0.0289 W/m K as per ASTM C 578 (measured as per IS 3346), compressive strength of 351 kPa listed as per ASTM D 1621, density of 34-36 kg/cum as per ASTM D 1622, water absorptions 1%by volume as per ASTM D 2842, oxygen index of 24.1 to 28.1 listed as per ASTM D 2863, cell size 0.4 mmof dia (max) as per ASTM D 3576. Fire retardent property as per DIN 4102, Part 1 of class B2 and as perASTM E84 class A, complete in all respect as per the direction of Engineer-in-Charge.

Providing and laying flamed finish Granite stone flooring in required design and patterns, in linear as well as curvilinear portions of the building all complete as per the architectural drawings with 18 mm thick stone slab over 20 mm (average) thick base of cement mortar 1:4 (1 cement : 4 coarse sand) laid and jointed with cement slurry and pointing with white cement slurry admixed with pigment of matching shade including rubbing, curing and polishing etc. all complete as specified and as directed by the Engineer-in-Charge : Flamed finish granite stone slab Jet Black, Cherry Red, Elite Brown, Cat Eye or equivalent.

Providing and fixing roofing consist of 0.8 mm thick galvanized steel deck sheet confirming to IS 277:1992 used as permanent shuttering over which MS wire mesh 3mm laid at 100x100 mm grid including edge trim covered with concrete. This metal deck will be supported on structural steel beam with shear studs. (Structural steel like Beam, column, joists etc. & concrete of different grade as per design will be paid separately).

Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting of applying : (a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm. (b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. (c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30cm on parapet wall and tucked into groove in parapet all around. (d) fourth and final layer of brick tiling with cement mortar (which will be paid for separately For the purpose of measurement the entire treated surface will be measured.

Providing and fixing tiled false ceiling of specified materials of size 595x595 mm in true horizontal level, suspended on interlocking metal grid of hot dipped galvanized steel sections ( galvanized @ 120 grams/ sqm, both side inclusive) consisting of main "T" runner with suitably spaced joints to get required length and of size 24x38 mm made from 0.30 mm thick (minimum) sheet, spaced at 1200 mm center to center and cross "T" of size 24x25 mm made of 0.30 mm thick (minimum) sheet, 1200 mm long spaced between main "T" at 600 mm center to center to form a grid of 1200x600 mm and secondary cross "T" of length 600 mm and size 24x25 mm made of 0.30 mm thick (minimum) sheet to be interlocked at middle of the 1200x600 mm panel to form grids of 600x600 mm and wall angle of size 24x24x0.3 mm and laying false ceiling tiles of approved texture in the grid including, required cutting/making, opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc. Main "T" runners to be suspended from ceiling using GI slotted cleats of size 27 x 37 x 25 x1.6 mm fixed to ceiling with 12.5 mm dia and 50 mm long dash fasteners, 4 mm GI adjustable rods with galvanized butterfly level clips of size 85 x 30 x 0.8 mm spaced at 1200 mm center to center along main T, bottom exposed width of 24 mm of all Tsections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by Engineer-in-charge. 8 mm thick fully perforated calcium silicate board made with Calcareous & Siliceous materials reinforced with cellulose fiber manufactured through autoclaving process to give stable crystalline structure with minimum compressive strength 225 kg/ sq. cm, bending strength 100 kg/sq. cm , of size 595x595 mm, having perforation of dia. 10 mm with minimum perforated area 18 % with non woven tissue on the back side, having an NRC ( Noise Reduction Coefficient) of 0.85, with 50 mm thick rockwool of48 kg /cum backing.

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-InCharge. Upto and including 12mm dia.

Finishing walls with 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives. New work (Two or more coats applied @ 1.43 litre/ 10 sqm. Over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm.

Providing and fixing floor mounted, white vitreous china single piece, double traps syphonic water closet of approved brand/make, shape, size and pattern including integrated white vitreous china cistern of capacity 10 litres with dual flushing system, including all fittings and fixtures with seat cover, cistern fittings, nuts, bolts and gasket etc including making connection with the existing P/S trap, complete in all respect as per directions of Engineer-in-Charge.

Providing/laying and fitting of HDPE/MDPE/PPR pipes complete including cost of pipes and fittings. PPR pipe 25mm dia

Providing/laying and fitting of HDPE/MDPE/PPR pipes complete including cost of pipes and fittings. PPR pipe 32mm dia

Providing/laying and fitting of HDPE/MDPE/PPR pipes complete including cost of pipes and fittings. HDPE flanged pipe 110mm dia

Providing and fixing wash basin with C.I. brackets, 15 mm dia CP Brass single hole basin mixer of approved quality and make, including painting of fittings and brackets, cutting and making good the walls wherever required:- (a) White Vitreous China Wash basin size 550x400 mm with a 15 mm CP Brass single hole basin mixer.

Providing and fixing Stainless Steel AISI 304 (18/8) kitchen sink as per IS 13983 with C.I. brackets and stainless steel plug 40 mm including painting of fittings and brackets, cutting and making good the walls wherever required:510x1040 mm bowl depth 250mm.

Providing and fixing C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS:8931 15 mm nominal bore

Providing and fixing 8 mm dia C.P. / S.S. Jet with flexible tube upto 1 metre long with S.S. triangular plate to Eureopean type W.C. of quality and make as approved by Engineer - in - charge.

Providing and fixing CP Brass 32mm size Bottle Trap of approved quality & make and as per the direction of Engineer-in-charge.

Providing and fixing CP Brass Single lever telephonic wall mixer of quality & make as approved by Engineer in charge.(a) 15 mm nominal dia

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.

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: 110 mm diameter

Providing and fixing of material for the insulation of pipe with nitrile tube, tapping with cello tape for inner wall fittings, complete job including carriage, 19mm thick, 50mm dia (OD) (PPR 25mm)

Providing and fixing of material for the insulation of pipe with nitrile tube, tapping with cello tape, Rockwood 6 inch per side, wire mesh, polythene, tapping with cello tape aluminium sheet 26 gauge cladding with dia. complete job including carriage. 19mm thick, 50mm dia (OD) (PPR 32mm)

Providing and fixing of material for the insulation of Water Storage Tank of with nitrile sheet, tapping with cello tape, Rockwood 6 inch per side, wire mesh, polythene, aluminium sheet 26 gauge cladding with dia of, complete job. 19mm thick nitrile sheet