Public Works Department Tender

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton. (Payment for centering shall be given after the concrete is laid)

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

Providing and laying in position,Standardised Concrete Mix M-20 Grade in accordance with IS:456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of C with minimum cement content of 325kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser/super plasticiser) in recommended proportions as per IS:9103 to accelerate,retard setting of concrete,improve workability without impairing strength and durability with about (5 cu.m) 7730kg of 20mm machine crushed stone jelly and with about (3.3cu.m) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79cu.m)7670kg of sand,but excluding cost of reinforcement grill and fabricating charges,centering and shuttering and also including laying,vibrating with mechanical vibrators,finishing,curing,etc.and providing fixtures like fan clamps in the RCC floor /roof slabs wherever necessary without claiming extra,etc,complete complying with stanard specification and as directed by the departmental officers.The coarse and fine aggregates to be used should comply with the requirements of IS standards.(No separate payment will be made by the Department for the excess usage of materials).

Foundation and basement

For Super structure in Ground floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Brick work in Cement Mortar 1:5 (One cement and Five Crushed stone sand) using best quality II class ground moulded chamber burnt bricks of size 9" x 4-3/8" x 2-3/4" for foundation and basement including curing, etc., complete complying with standard specifiction.

For Foundation and Basement

For Ground floor

Supplying and fixing of M.S.grill of approved design for grill gate, grill work to doors and windows openings ramp etc., using necessary mild steel flats for inner and outer members which should be fixed on edges including priming coat of best approved quality red oxide primer etc., complete complying with standard specification.

Plastering with Cement Mortar 1:5 (One cement and Five Crushed stone sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

GST 18%