transportation of 2 nos . 30/42mva , 110/27kv transformers main body , transportation of 2 nos . 30/42mva , 110/27kv transformers main body from telk , angamaly to m/s . southern railway , tambaram , chengalpattu district , chennai , transportation charge of 2 nos . 30/42mva , 110/27kv transformers main body from telk , angamaly to m/s . southern railway , tambaram , chengalpattu district , chennai in suitable mechanical/hydraulic trailer . weight of main body is 36 . 5 mt as per tender enquiry cl no . 1 . ( 10 days free time at loading point and 10 days at unloading point - all together 20 days at loading or unloading point ) . , unloading charges for the items specified in the scope of work clause no . 3 . 3 in enquiry , dragging charges ( rate per meter ) as specified in clause 3 . 2 in enquiry ( for dragging beyond 40 mtrs , if required ) ( optional ) , detention charges ( after total 20 days free time ) per overnight stay per trailor ( refer clause no . 4 . 1 . 2 )