Construction of Compound wall in Bodhupatty elementry school and safety grill for open well infront of school at Ward.No.21

Amount

Earth work open excavation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc., as per SS 20 A. TNDSS NO: 23 & 24 VI (S2) VI,VII 9,10 with standard specifications. Column Foundation

Open excavation

Plain Cement Concrete 1:4:8 Mix (one part cement, four part sand and Eight part of aggrigate) using 40 mm size ISS HBG metal from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing. Laying and curing etc., complete as per TNDSS NO : 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Supplying and fabrication of steel and placing in position of TMT steel rods for RCC works as per design given including cost of steel and GI binding wire in all floors etc., complete complying with standard specification.

Supplying and erecting centering for sides and soffits including supports and strutting up to 3.29m high for plane surfaces such as RCC Slabs,Rectangular beams,Tee (or) ELL beams,Lintels,bed block,slabs,landing beam,canopy side slab,or boxing (or)vertical slabs,rectangular (or) quare(or)round columnsetc.,as detailed below with all cross bracings using M.S Sheets of size 90cmx60cm and B.G 10 Stiffended with welded M.S.Angles of size25mmx25x3mm for boarding laid over silver oak(or)country wood joist of size 10cmx6.5cm spaced at about 90cm centre to centre and supported by casurina props 10cm to 13 cm dia spaced out 75 cm centre to centre or at suitable intervals etc.,complete complying with std.specification Footing

Column

Grade beam

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 contenet of 325Kg/ cum and maximum water cement ratio of 0.55 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 Crushed Stone Sand (M- 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

Brick work in CM 1:5 (one cement & Five Crushed Stone Sand (M- Sand)) using Fly Ash Bricks 230 x 110 x 70mm including finishing, curing, etc., complete complying with standard specification

Plastering in Cement Mortor 1:5 Mix (one cement, five sand) 12mm thick including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Painting two coats with Ready Mixed Enamel Paint over the new iron works of approved quality and colour without priming coat including the cost all materials etc.,complete, in all floors.

Painting two coats for Exterior surface with approved Exterior 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.

SRIDHARMURTHY (BID ID -1557575)