NNT 2025-2026

Earth work excavation and depositing on bank with initial lead of 10m and lift of 2m in the following classification of soils as directed by departmental officers A) Hard stiff clay black cotton, hard red earth, shales, murram, ordinary gravel, stoney earth and earth mixed small sized boulders for foundation SS 20B

First depth

SDR

Hard Rock

Cement concrete 1:4:8 (one cement, four sand and eight aggregates) using 40mm HBGS for leveling course for foundation including the cost of mixing concrete, ramming, curing etc., complete.

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.

For items 1.5m to 4.5 m below GL

Items 0 to 1.5 m below G.L

for item & 0m to 4.5 from GL

Above 4.51 m & Up to 7.32 m From GL