Providing surface drain for the 108 TNGRHS at Anna Nagar Tiruvannamalai under the AM of 2025 26

Earth excavation for foundation in all soils and sub soils except hard rock requiring blasting but inclusive of bailing out water wherever necessary (including refilling) and depositiing the excavated earth in places shown clearing and levelling the site with an initial lead of 10m and initial lift as specified here under etc., all complete complying with relevant standard specification and as directed by the departmental officers. 0 to 2m depth(Including refilling)

Supplying and filling of stone dust including cost of material,laying and hammering charges etc.,complying with relevent standard specification

Cement concrete 1:5:10(One of cement, five of M.Sand and ten of hard broken stone jelly) for foundation and flooring using 40 mm size broken stone jelly inclusive of shoring, strutting, baling out water wherever necessary ramming, curing etc., complete in all respect complying with relevant standard specifications and as directed by the departmental officers.

Brick partition walls of 11.50cm thickness using best quality Burnt Clay Brick of size 9” x 4 1/2” x 3” with class designation of 7.5 conforming to IS 1077-1992 in Cement Mortar 1:3 (One Cement and Three CS Sand) using hoop iron reinforcement if found necessary including Cost of Mortar Plasticizer, curing etc. complete complying with standard specification and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately) (SD 206)

Plastering with cement mortar 1:4 ( One of cement and four of P sand) 20mm thick finished with neat cement including, providing band cornice scaffolding curing etc., complete complying with relevant standard specification and as directed by the departmental officer

Plastering with cement mortar 1:5( One of cement and five of P sand) 12mm thick finished with neat cement including, providing band cornice scaffolding curing etc., complete complying with relevant standard specification and as directed by the departmental officer