E1/2484/2023-03 - Construction of Storm Water Drain and Culvert at Perumal malai Backside to Vinayakar Kovil in ward no.02.

Earth work excavation in narrow trenches for drain work and depositing on bank with initial lead of 10m and lift of 2m in hard red earth shales murams gravel mixed with small size boulders and hard gravelly soil complying with standard specification

Removing hard rock by wedging, chiseling and trimming to proper shape where blasting is prohibited. etc., complete as per standard specifications

Plain cement concrete 1:5:10 mix (One cement five sand and ten metal) using 40mm ISS hard broken granite stone jelly for foundation and flooring including dewatering wherever necessary and laid in layers of not exceeding 15cm thick to required thickness including cost and conveyance of all materials to site and all other labour charges etc., complete as per standard specification

Centering for sides and soffits of all RCC works concrete slab (or) plane surface including shutting upto 3m height etc., complete cost and conveyance of all materials to site and all labour charges etc., complete as per standard specification

Drain ( without strutting)

Culvert (with strutting)

Plain cement concrete 1:2:4 (One cement two sand and four aggregate) using 20mm ISS size hard granite broken stone including cost and conveyance of all materials labour for machine mixing laying compacting finishing and curing etc., complete Complying with standard specification

Supplying fabricating and placing in position of RTS steel rods for reinforcement including the cost of steel and binding wire etc., complete and as directed by Departmental officers.

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 -