2025-2026 General Fund Deepening of Open Well

Amount

Earth work Open well excavation complying with relevant clausesof T.N.D.S.S. Well sinking and with lead upto 10 metrein Medium rock and dense medium rock not requring blasting - First depth of 2 metre. PWD SOR PAGE NO :30 (UniqueCode W-0079) 2024-2025. I Depth :8.00M to 10.00M

II Depth :10.00M to 12.00M

II Depth :12.00M to 12.15M

Earth work Open well excavation complying with relevant clausesof T.N.D.S.S. Well sinking and with lead upto 10 metrein Hard granite measured in solid including blasting andstacking - First depth of 2 metrePWD SOR PAGE NO :30 (UniqueCode W-0081) 2024-2025. II Depth :13.00M to 14.00M

Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and eight part of 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. Bottom side wall

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38. Below GL :10 M To 12.15 M

Supplying, fabricating and placing in position mild steel or ribbed tor steel for all reinforced cement concrete works as per design given including cost of steel and binding wire with all conveyance and lead charges in all floors etc.complete complying with standard specifications and as directed by the deparmental engineers. TNBP No:30

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 - Below GL :10 M To 12.15 M

Gurusamy (BID ID -1356300)