Erode District P.Mettupalayam NNT -2023-2024 Drain Work

Amount

Earth work Excavation and depositing on Bank with initial lead of 10 m & initial lift of 2 m in Hard still clay, stiff black cotton, hard red earth, shales murram, gravel, stoney earth and earth mixed with small size boulders SS 20 B for foundation MORTH 24 & 25.

Cement concrete of mix 1:4:8 (one part of cement, and four part of sand, and eight part of coarse aggregate) using hard broken granite stone jelly of 40 mm gauge for foundation levelling course, including shuttering, dewatering wherever necessary and laid I layers of not more than 15cm thick complete complying with standard specifications and drawings and as directed by the departmental Engineers including all cost & conveyance of materials laying curing etc., complete as per TNDSS No 28V,VI(S2),VI(S54) and VII

Supplying and erecting centering for sides and soffits including supports and srtutting upto 3.29mm height for plane surfaces in all floors with cross bracings using miled steel sheets of size 30cm x 60cm and 10 gauge stiffened welded with miled steel sheets of size 25mm x 25mm x 3mm for boarding and laid over silver oak (country wood).Joists of size 10cm x 6.5cm dia spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced 75cm centre to centre etc., complete complying with standard specification ans as directed for the following items as per TNDSS No 30 & 86 Wall,Deckslab and Drain sidewall below 1.00 m height

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four 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 as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Finishing the top of flooring with granolethic floor finish in cement concrete 1:2:4 mix using 10-12mm ISS metal to 25mm thick including cost and conveyance of all materials to site and all labour charges for mixing, laying, curing etc complete

G RAJENDRAN