601/2025-Ward No.3 Drainage

Dismantling of Brick work in cement morter wall clearing away and carefully stacking materils useful for re - use including all labour charges etc., complete as per standard specification and as directed by the departmental officer.

Earthwork excavation for foundation and depositing on Bank with metal lead of 10m and initial of 2m in Hard stiff clay, stiff black cotton,hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders including all labour charges etc.complete as per SS 20 B TNDSS No 23, 24 VI(S2),VI, VII.9 & 10

Cement concrete of mix 1:4:8 (one part of cement, and four part of sand, and eaight 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 (a) Side Wall

Plain Cement Concrete 1:3:6 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.

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)