tender for extension of pipe , earth work excavation for foundation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification. , cement concrete 1:4:8 (one cement,four sand and eight hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification , supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as reinforced cement concrete slabs rectangular beams all beams lintels etc., 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. , cement concrete 1:2:4(one cement,two msand and four hard broken stone) using 20 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. (the rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers , providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (one cement, two sand and four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top