special repairs drain & culvertto chinnavadamalaipalayam injambai town panchayat -erode district; 1 earthwork excavation in all soils and sub soils except hard rock not requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering , ramming , depositing the surplus earth in the premises as directed by departmental officers etc., complete as per standard specification. as per ss 20 b tndss no: 23&24vi ( s2 ) , vii 9, 10 2 plain cement concrete of mix 1 : 4 : 8 ( one cement four sandeight aggregates ) using 40mm gauge hard broken including cost conveyance of all materials to site including formwork and centering labour charges, transporting and placing in position including shoring, strutting, forming protective bunds, cofferdams bailing out of water labour for mixing compacting, finishing and curing, working at depths, tools and plants and incidental charges such as sheeting, shoring and bracing and their subsequent removal etc., complete as per standard specification.as per the standard specifications. tndss no: 28 v, vi ( s2 ) v, vi ( s5a ) vii 3 supplying and errecting centering to sides and soffits including supports and struttingfor drainage sides andculvert body wall sidesusing 90cm x 60cm and b.g 10stifenedwith welded mild steel angles of size 25mm x 25mm x 3mm for boardinglaid over ( silver oak joists ) of size 10cm x 6.50cm spaced at about 90cm including all labour charges and cost and conveyance of all materials to site etc. complete complying with standard specification. tndss no: 30&86 for storm water drain 4 plain cement concrete 1:2:4 mix ( one part cement, two part 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. 5 providing granolithic floor finish of the 25mm 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 rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers. ( the rate is inclusive of necessary planking for panellingwherever necessary and as directed by the departmental officers ) 6 suppying fabricating and placing in position of steel rods using tmt or ribbed tor steel including cost of binding wire, cost of labour charges for fabrication and placing in position etc. completed complying with std. specifications 7 reinforced cement concrete 1:11 / 2:3 mix ( one part cement one and half part sand and three part of aggregare ) 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 mizin, laying and curing but excluding cost of reinforcement etc. complete with std, specifications