repairing of drainage at muthaliyar street in thittachery townpanchayat , ordinary soil ss20a earth work excavating and depositing on bank with initial lead of 10m and initial lift of 2 m in m-sand, silt or other loose soil, wet sand or silt not under, light black cotton soil sandy loam and ordinary soil including excavated earth ss.20.a morth no.301 , cement concrete of mix 1:4:8 (one cement four and eight aggregates) using 40mm gauge hard broken including cost conveyance of all materials to site including 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. , supplying & erecting centering for sides & soffiots including necessary supports & strutting upto 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90 x 60cm & 10 gauge stiffened, welded with steel angle of size 25 x 25 x 3mm for boarding laid over silver oak joists(country wood) of size 10 x 6.5cm spaced @ about 90cm c/c and supported by casurina props of 10 - 13cm dia. spaced @ 75cm c/c etc., complete complying with standard specifications and as directed by the departmental officers. rate for 10m2.for the following items.(rcc floor slab, roof slab, rectangular/ square, tee/ ell beams, lintels, staircase waist slabs, landing slabs, landing beam, portico beam etc., ). , grade beam , plain cement concrete 1:2:4 (one cement, two crushed stone sand (m- sand) and four coarse aggregates) using 20mm size iss hbg metal including cost and conveyance of all materials to site and including for the mixing, laying and labour chargesetc., complete as per standard specification , providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (one cement, two m.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) 40mm thick , manufacturing, supplying and fixing precast reinforced cement concrete slabs of following thickness in rcc 1:11/2:3 (one cement, one and half sand and three aggregates), using following hbgs jelly including cost of reinforcement steel in position but including cost of moulding charges, casting of slab, finishing, curing and fixing in position in all floors etc., complete complying with standard specification and as directed.