Construction of storm water drain at Vellankatti to Paramankarai link road in Nalloor Town Panchayat

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel, stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc complete.

Cement Concrete 1:4:8 (One cement, Four crushed stone sand and eight hard broken stone jelly) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, 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 - Mixing by Mechanical Means

Supplying and erecting centering to sides and soffits including supports and strutting with necessary centering for soffits upto 3 meter height using mild steel sheet of size 90 cm x 60 cm x 10 mm gauge with MS angles of size 25mm x 25mm x 3mm laid over silver oak (CW) joists of size 10cm x 6cm spaced upto 90cm c/c and casurina props or 10 cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specifications as per TNDSS NO : 30 & 86.

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing etc., complete as per standard specifications and as directed by the departmental officers. - Mixing by mechanical means'

Plastering the surface of walls with Cement Mortar 1:4 (One cement and Four plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc., complete complying with standard specification and as directed by the departmental officers.

Supply and fixing of RCC Precast slab in cement concrete 1:1½:3 mix (one part of cement one and a half part of sand and three part of aggregates) of thick 0.10 m using 20 mm ISS HBG metal including cost of molding charges mixing laying and curing cost and conveyance of all materials to site and all labour charges etc. complete as per standard specification but excluding cost of reinforcement.