ROC No.234/2023

Earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc. complete. complying with std. specifications.SS 20 B

CC Road

Drain

Plain Cement Concrete 1:4:8 Mix (one part cement, four part sand and Eight part of aggrigate) using 40 mm size ISS HBG metal from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing. Laying and curing etc., complete as per TNDSS NO : 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Supplying and erecting centering for sides and soffits including supports and strutting up to 3.29mm height for plane surfaces in all floors with cross bracings using mild steel sheets of size 30cm x 55cm and 10 gauge stiffened welded with mild steel sheets of size 25mm x 25mm x 3mm for boarding and laid over silver oak (country wood). Joists of size 10cm x 6.5 cm dia spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre etc complete complying with standard specification

I) For Side wall

(I)For Deck Slab

Cement Concrete 1:2:4 Mix (one part cement, three part sand and six part of aggrigate) using 20 mm size ISS HBG metal from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing. Laying and curing etc. complete. Complying with std. specifications (Using Vibrator). as per TNDSS NO: 24

CC Road

Drain

Finishing the top of flooring with granothatic flooring with cement concrete 1:2:4 (one cement, two sand and four aggrigate) using 10 to 12mm stone chips – 25mm tk etc., Complete.

Supplying, Fabricating and placing in position mild steel or deformed steel bars for all reinforced cement concrete items of work including cost of steel transporting straightening cutting, bending, cranking binding welding etc. Including cost of binding wire MS.chairs laps to fix the reinforcement in all positions, all labour and materials complete complying with standard specifications and drawings and as directed by the departmental Engineers

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 -

Providing Bitumen felt 15mm thick for Expansion joint including cost and conveyance of all other labour and material charges to site etc., complete.