tender for construction of drain with culvert at ward no 9and 15 in b.meenakshipuram town panchayat ; 1 earthwork excavation for foundation to the full depth as may be directed by departmental officers in all types of soils except in hard rock requiring blasting but inclusive of shoring, strutting and bailing out water wherever necessary, refilling the sides of foundation with excavated soil in layers of 15cm thick well rammed and consolidated and depositing the surplus earth in the places shown by the departmental officers with initial lead of 10 meters and initial lift 2 metres and clearing and levelingthe site etc.complete complying with standard specification. 2 plaincement concrete 1:4:8 mix ( one cement, four fine aggregate and eight coarse aggregate ) using 40mm iss hbg metal for foundation and basement including dewatering if found necessary and laid in layer of not more than 15cm thick and consolidated including all cost conveyance of materials and labour charges etc. complete as per standard specifications and as directed by departmental engineers ( tnbp no.28 ) . 3 supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as rcc 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. for culvert 4 for culvert 5 plain cement concrete 1:2:4 mix ( one part cement, three part sand and six part of aggrigate ) using 20 mm size iss hbg metal from approved quarry including cost and conveyance of all materials to site. loading and unloading charges and labour charges for mixing. laying and curing etc., complete as per tndss no: 28 & vi ( s2 ) vi ( s5a ) vii standard specifications as directed by engineer incharge. 6 reinforced cement concrete 1:1½:3 mix ( one part cement, one and half part sand and three part of aggregate ) using 20mm size iss hbg metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing but excluding cost of reinforcement etc.complete with std.specifications. tndss no: 30 v, vi ( s3 ) , vii-3. 7 supplying and fabrication of steel and placing in position of tmt steel rods for rcc works as per design given including cost of steel and gi binding wire in all floors etc., complete complying with standard specification in tndss no:97 v, vi ( s6 ) vii ( s6 ) , vii-3. 8 granolithic floor finishing with cement concrete 1:2:4 ( one part of cement, two parts of sand and four parts of iss hbg metal ) mix using 10mm to 12mm iss size hbg metal to 25mm thick including cost and conveyance of all materials etc.and all lobour charges etc.complete as per standard specification and as directed by the departmental officers. tnbp no:39-f 9 plain cement concrete using1:2:4 mix ( one cement, twosand four aggregates ) using 40mm iss gauge hbg metal including cost andconveyance of all materials to work site and all labour charges for mixing, laying, consolidating and curing etc., complete as per standard specification. tndss no: 28 v, vi ( s2 ) v, vi ( s5a ) vii