Paver Blocks and Iron Work in Govt. Model Sr. Sec. School, Sector-38 West (DMC) Chandigarh

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) (As per DSR 4.1.10)

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. (As per DSR 10.2)

15 mm cement plaster on rough side of single or half brick wall of mix 1:4 (1 cement: 4 Fine sand) (As per DSR 13.2.1)

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm) (As per DSR 13.46.1)

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. (As per DSR 13.80)

Providing and fixing 60 mm thick high density rubber moulded precast cement concrete paver block grey/ colored/ polished/ designer (manufactured by vibro hydraulic pressure process) consisting of design mix of cement, sand and fine aggregate having designation M35 ISI marked including the cost of good quality color and hardening agents. The paver should be compiled with tensile strength and breaking load as per BIS 6717-1993 and shall be tested against resistance to bear as per IS 1237-1980 (specification for cement concrete floor tiles). The paver should be laid over layer of 50mm average thick sand to the required slope and requirement complete in all respects and to the entire satisfaction of Engineer in charge. (N.S.)

Providing and fixing of factory manufactured pre-cast concrete kerb of size 300mm X 300mm having 150 mm thickness with one edge semi rounded duly vibrated mechanically and compacted made of P.C.C. 1:2:4 duly cured and finished. the rate further include filling of joints between kerbs/ channels with cement mortar 1:2 complete in all respect and to the entire satisfaction of Engineer-in-charge. (N.S.)

Providing and fixing 35mm thick phenol bounded factory manufactured solid flush door shutter ISI marked with both side commercial face in the existing chowkhat. The rate includes the cost of iron hinges, all necessary Aluminium fittings and painting two coats over one coat of primer after preparation of surface (special quality) complete in all respect to the entire satisfaction of Engineer-in-charge. (N.S.)

Providing and installation of precoated galvanized iron profile sheets (size, shape and pitch of corrugation as approved by the Engineer in charge) 0.50mm +-5% total coated thickness (TCT) thick zinc coating 100gsm as per IS 277 in 240mpa steel grade, 5-4 microns epopxy primer on both sides of the sheet and polyester top coat of 15-18 microns. Sheet should have protective guard film of 25 micron minimum to avoid scratches while transportation and should be supplied in single length upto 12 metres or as desired by the Engineer in charge. The sheet shall be fixed by using self drilling / self tapping screws of size (5.5x55mm) with EPDM seal or with polymer coated J or L hooks, bolts and nuts 8mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with whitel ead complete upto any pitch in horizontal / vertical or curved surface excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required complete in all repsects and to the entire satisfaction of the Engineer in charge. (N.S.)