Construction of Additional First Floor Class Room at Corporation Primary School, Chennathur in Hosur City Municipal Corporation

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed Centering for soffits of RCC slabs of plane surface like Columns

Centering for soffits of RCC slabs of plane surface like Roof Slab and Roof Beam

Providing and laying in position Standardised Concrete Mix M-25 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 contenet of 350Kg/ cum and maximum water cement ratio of 0.50 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges centering and shuttering but 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 cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS staandards. (No separate payment will be made by the Department for the excess usage of materials) for First Floor

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors

Brick work in CM 1:5 (one cement & five M sand) using II class ground moulded bricks of size 9"X43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification for First Floor

Brick Partition Walls using II class ground moulded chamber bricks of size 9"X43/8"X 23/4" in C.M 1:3 using hoop iron reinforcement,if found necessary standard specification including finishing, curing,etc., complete complying with standard specification - 10 sqm

Plastering with cement mortar (1:5) 12mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

Plastering with cement mortar (1:3) 10mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

White washing two coats with freshly burnt shell lime white in colour in all floors including cost of lime and other materials brushes scaffolding charges etc.complete complying with standard specification and as directed. -100sq.m

Painting two coats for Interior surface with approved Interior Plastic Emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.