Arriyappamapalayam TP Improvement of Openwell

Amount

Earth work excavation and depositing on bank with in the initial lead of 10m and a lift of 2m in Slush and silt under water upto 0.75 metre depth requiring the aid of baskets and vessels SS 20 B. (As per TWAD SOR 2023-2024 Page No.297 Item No.3).Desilting Well 18.75m--20.00 m :

Desilting Well 20.00m--21.75 m :

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

Plain Cement concrete of mix 1:4:8 (one part of cement, and four part of M 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

Centering and Shuttering for sides & soffit of PCC & RCC works using MS Sheet / Country Wood Plank Shutters supported by necessary casurina props / wedges including cost and hire charges of all materials to site and all labour charges etc. Complete as per standard specification as per TNDSS NO : 30 & 86.

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed 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.

Plastering with cement mortar 1:4 (One Part of Cement and Four part of Plastering Sand (P- Sand)) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications (S.I.309)

Painting the new walls two coats over one coat of priming with best Emulsion paint of approved colour and quality including preparation of surface and finishing neatly etc., complete complying with standard specification and as directed by the department officers etc., complete complying with standard specifications.

Supplying and fixing of M.S.grill of approved design for doors. Windows and ventilators using necessary mild steel flats for inner and outermembers which should be fixed to window frames inclusive of priming coat of best approved quality red oxide primer etc., complete complying with standard specifications. Supply of PVC PIPE & GI Pipe including all cost and conveyance.

63mm dia PVC Pipe

Conveying of PVC right pipe to trench with in a lead of 63 m lowering in to a trench carefully laying to proper grad and alignment jointing with PVC couplers with cement paste and testing to the requited pressure including conveyance of water upto 1.00km 63mm dia PVC Pipe

Refilling with excavated earth other than sand complying with standard specification.

SRC GROUPS (BID ID -1171464)