maintenance and repair and other miscellaneous civil works at rg ocm-1 chp, rg-iii area.(invited under earmarked works-sccl registered contractors belong to sc community are eligible to participate)-clearing light jungle / shrub jungle, earth work excavation for foundations and depositing on bank for all lifts and with an initial lead up to 50m including all operational, incidental, labour charges such as shoring, sheeting, planking, strutting, etc. complete for finished item of work as per ss 20 b (apss 308) ordinary soil manual means up to 3 m depth, filling with excavated earth (excluding rock)/ sand in trenches, sides of foundations and basement with initial lead in layers not exceeding 15 cm thick, consolidating each deposited layer by watering and ramming including cost and conveyance of water to work site and all operational, incidental, labour charges, hire charges of t and p etc., complete for finished item of work. (apss no. 309 and 310) (excluding cost of sand) by manual means , cement concrete 1:4:8 with 40 mm size crushed granite metal of approved hard quality in foundations or plinths etc., complete (but excluding cost of cement) with concrete mixer