MLA CDS - 2024-2025 - Construction of Culvert Bosepara - Beechanakolly in Ward No.4.

Earth work excavation for foundation and depositing soil on bank with in initial lead of 10m and initial lift of 2ms except hard rock but not requiring blasting etc., complete complying with standard specification.

P.C.C. 1:4:8 mix using 40mm size HBG Metal mixing laying curing and the rate including cost and conveyance of all materials and labour charges etc. Complete complying with standard specification

Supplying and erecting steel centering for the sides and soffits of RCC slab or plane surfaces excluding strutting and the rate including cost and conveyance of all materials and labour charges etc. complete complying with standard specification.

Supplying, fabricating and placing in position of steel rods (M.S or RTS) including cost of binding wire and the rate including cost and conveyance of all materials and labour charges etc. complete complying with standard specification.

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 0.55 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 - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards.

Plain cement concrete 1: 2:4 mix using 20 mm size I.S.S. HBG metal mixing, laying and the rate including cost and conveyance of all materials and labour charges etc. complete complying with standard specification.

Providing granolithic floor finish of 25mm thickness with plain cement concrete 1:2:4 (One Cement, Two crushed sand (M-Sand) and Four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers)