tender for improvements of kottoorkonam kulam in thirparappu town panchayat.; 1 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 with ss20b. tndss no:23&24 2 cement concrete of mix 1:4:8 (one part of cement four part of sand and eight part of aggregates) using 40 mm gauge machine broken granite stone jelly for foundation including de watering if found necessary and laid in layers of not more than 15 cm thick well rammed and consolidated etc complying with standard specification. tndss no:28 3 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. 4 cement concrete of mix 1:3:6 (one part of cement three part ofsand and six part of aggregates) using 40 mm gauge machine broken granite stone jelly for foundation including de watering if found necessary and laid in layers of not more than 15 cm thick well rammed and consolidated etc complying with standard specification. tndss no:24 5 plastering walls with cement mortar 1:4 (one part of cement four part of sand) 12 mm thick including all cost and conveyance of all materials and all labour charges etc. complete as per standard specification. tndss no:61