Public Works Department Tender

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with 5 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) with 20% boulder

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) over 75mm bed of dry brick ballast 40mm nominal size well rammed and consolidated and grouted with fine sand including finishing the top smooth and curing complete

Cement concrete flooring 1:2:4 (1cement: 2 coarse sand: 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry and curing complete, but excluding the cost of nosing of steps etc. complete. 50 mm thick with 20mm nominal size stone aggregate

Centering and shuttering including strutting, propping etc. and removal of form work for: Foundations, footings, bases for columns

Providing /fixing of PVC Pipe (4inch) dia including cutting /laying/concrate etc complete job.

Providing /fixing of PVC Pipe (2.5"inch) dia including cutting /laying/concrate etc complete job.

Providing and fixing in position precast R.C.C. manhole cover and frame of required shape and approved quality. 20.15.1 LD - 2.5 Rectangular shape 600x450 internal dimensions Circular shape 450mm internal diameter .

Providing and mixing integral crystalline admixture for water proofing treatment to RCC structures like basement raft, retaining walls, reservoir, sewage & water treatment plant, tunnels / subway and bridge deck etc. at the time of transporting of concrete into the drum of the ready-mix truck, using integral crystalline admixture @ 0.80% (minimum) to the weight of cement content per cubic meter of concrete) or higher as recommended by the manufacturer’s specification in reinforced cement concrete at site of work. The material shall meet the requirements as specified in ACI-212-3R- 2010 i.e. by reducing permeability of concrete by more than 90%, compared with control concrete as per DIN 1048 and resistant to 16bar hydrostatic pressure. The crystalline admixture shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the Engineer-in-charge. The product performance shall carry guarantee for 10 years against any leakage.

Providing and laying 60mm thick factory made cement concrete paver block of approved shape and colour of M -30 grade made of C&D waste by block making machine with vibratory compaction laid in required pattern and including over 50mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

Structural steel work 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 Welded .

Providing and fixing tiled False Ceiling of specified materials of size 595x595mm in true horizontal level suspended on inter locking metal grid of hot dipped galvanized steel sections (galvanized @ 120 gms/sqm both side inclusive ) consisting of main “T” runner with suitably spaced joints to get required length and of size 24x38mm made from 0.30mm thick (minimum) sheet spaced at 1200 mm center to center and cross “T” of size 24x25 mm made of 0.30mm thick (minimum) sheet, 1200mm long spaced between main “T” at 600mm center to center to form a grid of 1200 x 600mm and secondary cross “T” of length 600mm and size 24x25 mm made of 0.30mm thick (minimum) sheet to be interlocked at middle of the 1200x600mm panel to form grids of 600x600mm and wall angle of size 24x24x0.30mm and laying false ceiling tiles of approved texture in the grid including, wherever, 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 27x37x25x1.6mm fixed to ceiling with 12.5mm dia and 50mm long dash fasteners, 4mm GI adjustable rods with galvanized butterfly level clips of size 85x30x0.8 mm spaced at 1200mm center to center along size 85x30x0.8 mm spaced at 1200mm center to center along main T, bottom exposed width of 24mm of all T-sections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by Engineer-in-charge. (The rate is excluding the cost of tiles which will be paid for separately). 8 mm thick fully perforated Calcium Silicate Board made with alcareous and Siliceous materials reinforced with lluloseibermanufactured through autoclaving process to give stable crystalline structure with minimum compressive strength 225 kg/cm2, bending strength 100 kg/cm2, of size 595x595 mm, having perforation of dia. 10mm with minimum perforated area 18% with non-woven tissue on the back side, having an NRC (Noise Reduction Certificate) of 0.85, with 50 mm thick rock wool of 48 kg/cum backing

Providing corrugated G. S. sheet roofing including vertical/curved surface fixed 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 white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets 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.1.60 mm thick with zinc coating not less than 350 gram/m2

providing &fiximng of electric Geysers (Havells 50-litre capacity) complete job as per the requirment of site including all carriage/fitting/electric items/fixing etc.

Clearence of septic tank by way of removel of unhygenic material from the tank including manhole complete job .

Carriage of Material By Mechanical Transport including loading, unloading and stacking

Carriage of Stone avg. lead of 05 km by MT

Carriage of sand avg. lead of 22 km by MT

Carriage of bajree avg. lead of 22 km by MT