Desilting and Cover Slab to Existing Storm Water drain at Ranganathapuram 2nd Street in Ward no.50 in Zone-4

Amount

Dismantling the existing Reinforced cement concrete including all labour charges and equipment charges etc complete

Sand and Silt under water (SS20B) Earth Work Excavating and depositing on bank with intial lead of 10 m & initial lift of 2m in slush and silt under water upto 0.75m depth requiring the aid of baskets and vessels etc. complete (SS20B)

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)

Supplying and fixing Cuddapah Slab 20 / 30mm Thick thickness including laying to correct alignment with necessary cement mortar and black powder etc, complete complying with standard specification and as direct.

Supplying and fixing in position FRC Manhole covers (heavy duty) of 60 X 60cm in size in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), of best approved quality and as per standard specifications etc.,complete.

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.

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 -

Removal of Excavated Excess Earth away from the site to 5K.M including loading and transportation charges etc, complete as per standard specification. For 1M3

R.DHANALAKSHMI (BID ID -1120368)