tender for maintenance of rain water drain at ratha viti in suchindrum town panchayat. ; 1 dismantling plain cement concrete 2 earthwork excavation in all soils and sub soils except hard rock 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 ss 20 b tndss no: 23&24vi ( s2 ) , vii 9, 10 3 plain cement concrete using1:4:8 mix ( one cement , four sand and eight aggregates ) using 40 mm iss hbg metal including cost and conveyance of all materials to work site and all labour charges for mixing, laying, consolidating and curing etc complete as per the standard specifications. tndss no: 28 v, vi ( s2 ) v, vi ( s5a ) vii 4 supplying and erecting steel centering for sides and soffits including supports and strutting upto 3.29 m height for plain surface as rcc slabs, rectangular tee ( or ) elbeams, lintel, bed block stair case waist slab, landing slab, etc., complete as per standard specification - 10m2 as per tndss & morth specification no:30 & 36 ( pcc shuttering ) 5 cuddapah slab 20 / 30mm thick 6 plain cement concrete 1:2:4 ( one cement, two sand and four aggregates ) using 20mm iss hbg metal including cost of all materials and labour charges for mixing, laying, compacting and curing etc, complete as per standard specifications. tndss no: 30 v, vi ( s3 ) vii-3 7 reinforced cement concrete 1:11 / 2:3 ( one cement one and half sand and three aggregate ) using 20mm size i.s.s. metal including cost conveyance of materials to site and all labour charges etc., mixing laying consolidating curring etc., but excluding cost of steel etc., complete as perstandard specification as per tndss no: 30 v, vi ( s3 ) vii-3 8 supplying, fabricating and placing in position of mild steel or tmt rods, including cost of steel and binding wire and all labour charges for cutting, bending, tying and placing in position etc, complete as per ss. tndss no: 97 v, vi ( s6 ) vii ( s6 ) vii-3 9 plastering in cement mortar 1:3 ( one cement three sand ) using 10mm thick including cost and conveyance of all materials and labour charges etc, complete as per standard specification. [ morth specification: clause:1000 / 1300 ] 10 supplying and fixing in position ci manhole covers with ci frames ( heavy duty ) of size 60cm x 60cm of best approved quality as per standard specification etc., complete compying with standard specifications