Maintenance of ground level reservoir tank 9 lakh litre capacity GLR tank at Koodal malai main street in ward 98

Dismantling the existing Damaged Reinforced cement Concrete surface the chipping materials clearing away from the site and cleaning etc., complete

Dismantling the existing Brick / Stone Masonry in cement mortar walls surface the chipping materials clearing away from the site and cleaning etc., complete

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

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) Centering For Rectangular or Square Column

Centering For Plinth beam and Lintel Beam

Centering For Bottom Slab Only

Providing and laying in position Standardized Concrete Mix M-20 Grade in accordance with IS 456-2000 using 20mm and downgraded hard broken granite stone jelly for all RCC of works with minimum cement concrete 0f 325 kg/m3 and maximum water cement ratio of 0.55 including admixture ( Plaster / super plasticizer ) in recommended proportions as per IS : 9103 to accelerate, retard setting of concrete improve workability without imagining strength and durability with about (5.0cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79 cum) 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 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). For Ground 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 1:3 (one cement & five sand) using III class country bricks of size 83/4"X41/4"X 2 1/4" including finishing, curing, etc., complete complying with standard specification - 100CFT

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)