Cons CW GHSS at Purisai

Amount

Earth work excavation for foundation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five M sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification

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

For Foundation and Basement

For Ground floor

Supplying erecting shuttering including necessary supports for plain surface in foundation and basement for R.C.C roof stab -beam column footing, plinth beam, bed block,steps, etc using suitable M.S.Sheets stiffened in the welded suitable mild steel angle for boarding supported by casurino props 10 cm to 13 cm dia spaced at suitable intervals the complete complying with standard specification.

Supplying and erecting centering for sides and sofits including support and shuttering upto 3.29 m high for plane surface such as RCC Slab, Rectangular beam , Tee (or) Ell beams, Lintels bed block landing slabs, canopy, slab of boxing, vertical slab, rectangular or sqaure or round columns etc as directed below with all cross bracing using M.S sheet size 90 cm X 60 cm and BG 10 stiffended with mild steel angle of size 25 X 25 X 3mm for boxing silver oak (or) Country wood joists of size 10X6.5 cm spaced at about 90 cm C/C and supported by casurina props 10 cm to 13 cm dia spaced at 75 cm C/C etc., complete complying with standard specification

For Floor Slab, roof Slab, rectangular beam Ell beam, lintels bed block, landing waist Slab, canopy slab etc.

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 works with minimum cement content of 325 kg/ms 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.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu'm') 7670 kg. 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 standard specification

For Foundation and Basement

For Superstructure 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)

Supplying and fixing in position of terracotta jally of 20x20x0.75mm thick of approved quality and design in cement slurry including cost of materials, labour, curing, lifting, fixing in position etc., complete complying with standard specifications and as directed by the Engineer in charge in all floors.

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

Supplying and painting the walls with two coats of cement paint as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications (The colour and shade of the cement paint shall be got approved by the Executive Engineer before use of work).

S.SENTHIL