construction of storm water drain with rcc culvert at 1st ward maruthanathi dam kudiyuruppu outer in ayyampalayam town panchayat ; 1 earth work excavation in allsoils and sub soils exceipt hard rockrequiring blasting with intial lead and lift including re-filling the sides offoundationin layers of 15cm thick watering, ramming, depositing the surplus earth in the premises as directed by departmental officers etc., complete asper standard specification. as per ss 20 b tndss no: 23 & 24 vi ( s2 ) , vii 9, 10 2 plain cement concrete using1:4:8 mix ( one partcement, fourpart fine aggregate and eight part coarse 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 3 supplying and errecting centering to sides and soffits including supports and strutting for drainage sides and culvert body wall sides using 90cm x 60cm and b.g 10 stifened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over ( silver oak joists ) of size 10cm x 6.50cm spread at about 90cm including all labour charges and cost and conveyance of all material to site etc., complete complying with standard specification. tndss no: 20 & 85 ( for side wall ) 4 plaincement concrete 1:3:6 mix ( one part ofcement, three part of fine aggregate and six part coarse aggregate ) using20mm 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 as per tndss no: 28 & vi ( s2 ) vi ( s5a ) vii standard specificationsas directed by engineer incharge. 5 cement concrete 1:1 1 / 2:3 ( one part cement, one and half part fine aggregate and three part coarse aggregate ) using machine crushed 20mm gauge hard broken stone jelly for all rcc items of work excluding centering strutting, and reinforcement grills placed in position but including mixing concrete, laying and vibrations charges, curing, etc complete and including providing fixtures like fan clamps in the rcc floor or roof slabs wherever necessary etc. complete complying with standard specification ( tnbp no:30 ) 6 supplying, fabricating and placing in position mild steel or ribbed tor steel for all reinforced cement concrete works as per design given including cost of steel and binding wire with all conveyance and lead charges in all floors etc.complete complyingwith standard specifications and as directed by the deparmental engineers.tnbp no:30 7 finishing the top of flooring with granothatic flooring with cement concrete 1:2:4 ( one part of cement, two parts of m- sand and fourparts of coarse aggrigate ) using 10 to 12mm iss hbg stone jelly of 25mm tk etc., complete. including cost and conveyance of materialsto worksite & labour charges for mixing, laying, finishing and curing etc, complete as per standard specifications . 8 plaincement concrete 1:2:4 mix ( one part of cement, twopart of fine aggregate and fourpart of coarse aggregate ) using20mm iss hbg metal from approved quarry including all cost conveyance of materials and labour charges for mixing, laying, finishing and curing etc. complete as per standard specifications and as directed by departmental officers ( tnbp no.28 ) .