Improving and construction of retaining wall at 1st ward perikonamkulam in thiruvattar town panchayat

Earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc complete complying wit SS20B.RNDSS No.23&24

Cement concrete 1:4:8 (One cement, Four crushed stone sand and eight hard broken stone jelly) using 40mm 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 ny the departmental officers - Mixing by Mechanical Means

Supplying and erecting centering to sides and soffits including supports and strutting with necessary centering four soffits upto 3 meter height using mild steel sheet of size 90 cmx60cmx10mm gaugewith 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.

Cement concrete 1:2:4 (One part of cement tow part of sand and four part of aggregates) using machine broken granite jelly of 20mm size for all cement congtrete works excluding cost of centering shuttering strutting and also cost of reinforement grill in position but including laying vibrating with mechanical vibrators using finishing etc complete, as

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