maintenance work at existing head works in bhavanisagartown panchayat.; 1 earthwork excavationfor foundation and depositingon bank with metal lead of 10m and initial of 2m in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders including all labour chargesetc.completeas per ss 20 btndss no 23, 24 vi ( s2 ) , vi, vii.9 & 10 side wall 2 cement concrete of mix 1:4:8 ( one part of cement, andfour part of m sand, andeaight part ofcoarse aggregate ) using hard broken granite stone jelly of 40 mm gauge for foundation levelling course, including shuttering, dewatering wherever necessary and laid i layers of not more than 15cm thick complete complying with standard specifications and drawings and as directed by the departmental engineers including all cost & conveyance of materials laying curing etc., complete as per tndss no 28v, vi ( s2 ) , vi ( s54 ) and vii 3 supplying and erecting centering for sides and soffits including supports and srtutting upto 3.29mm height for plane surfaces in all floors with cross bracings using miled steel sheets of size 30cm x 60cm and 10 gauge stiffened welded with miled steel sheets of size 25mm x 25mm x 3mm for boarding and laid over silver oak ( country wood ) .joists of size 10cm x 6.5cm dia spaced at about90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced 75cm centre to centre etc., complete complying with standard specification ans as directed for the following items as per tndss no 30 & 86a ) mat and kerb wall 4 supplying and fabrication of steel and placing in position ms / ribbed tor steel grills for rcc works as per design given including cost of steel and gi binding wire in floors etc., complete complying with standard specification in force per kilogram. 5 r.c.c.1 : 11 / 2 : 3 ( one cement one point five sand three aggregates ) using 20mm gauge hard granite broken stone jellyincluding cost curing, etc., complete as per standard specification and as directed by engineer incharge.below ground level 6 brickworkincementmortor1 : 5 ( one cement and five sand ) usingbest quality of countrybricksof size 83 / 4x41 / 4x23 / 4 includingall costof materialsand labour charges including curing charges etc., complete as per standard specification. 7 plasteringinc.m. 1 : 5 ( one cement, five sand ) to12 mmthickincludingallcostandconveyanceofallmaterials tositeincludingcostofcementwhichwillbepurcharedlocallybythecontractor and conveyanceofthesametotheactualworksiteandcostformworkincludingwatering curingandallleadsofgoodpotablewaterandallother. 8 exterior emulsion paint two coats with good quality of approved emulsion paint including cost of all materials to site and all labour charges for mixing applying and proper curring etc., complete as per standard specifications 9 collection, supply and filling with well gravel including cost and conveyance of all materials and stacking them at road side to departmental gauge for pre-measurement including all labour charges for filling etc., complete as per standard specification. 10 plain cement concrete 1:2:4 mix ( one part cement, two part m.sand and four part of aggrigate ) 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 etc. complete. complying with std. specifications. 11 supply, fabricating & fixing in position of m.s window outer frame will be 25 x 25 x 3mm angle, the side frame with outer bars and m.s sheets 1.60mm thick 20gauge ms sheet with necessary hinges, tower bolt, aldrop length 30mm and hold fast etc., complete complying with standard specifications. 12 a. supply, fabricating & fixing in position of m.s door of size 0.0.9 x 2.10m. the outer frame will be 25 x 25 x 3mm angle, the side frame with outer bars and m.s sheets 1.60mm thick 20gauge ms sheet with necessary hinges, tower bolt, aldrop length 30mm and hold fast etc., complete complying with standard specifications. 13 supply and fixing of rcc 1:2:4 mixreday madecircular precast slabof 75mm thick x 1.00m diaincluding cost of steel rinforcement including cost and conveyance of all materials to site