providing ro plant to a capacity of 1000 lph at attupakkam village in attupakkam panchayat , earth work excavation in all classes of soils except hard rock requiring blasting depositing on bank with initial lead of 10m and lift of 2m including all labour charges and incidental charges such as shoring, strutting, providing coffer dams, bailing out of water etc., in sdr soil- 1st depth , cement concrete 1 : 4 : 8 mix using 40mm hbg metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying with standard specifications and as directed. , cement concrete 1 : 2 : 4 mix using 20mm hbg metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying with standard specifications and as directed. , precast concrete block masonry (including quoin blocks, jamb blocks, closers, etc) with solid cement concrete blocks of approved size size made of cement concrete 1:3:6 mix ( 1 cement, 3 coarse m.sand, 6 graded stone aggregate 20mm and down gauge) in foundation and plinth in cement lime mortar 1:2:9 (1 cement, 2 lime putty 9 coarse m.sand)/ 1:1:6 (1 cement, 1 lime putty, 6 coarse m.sand )/ cement 1:6 (1 cement: 6 coarse m.sand) details of cost for 1.89cum of precast concrete blocks masonry.) 100 sqft x 2/3 = 66 2/3 cft= 1.89cum) (no. 7.75) , plastering with cm 1:5,12mm thick. over the cement concrete for floor finish including curing etc., complete complying with standard specifications and as directed by the departmental officers. , distempering two coats with best approved oil bound distemper including cost of painting priming coat over new plastered surface and conveyance of all materials to site and all labor charges , granolithic floor finish 1:2:4 mix of 40mm thick hbg metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying wit