augmentation of spring water source within ward no 8 darjeeling- 1 ordinary cement concrete (mix 1:2:4)) with graded stone chips (20mm nominal size) excluding shuttering and reinforcement, if any in ground floor(ii)river bazree 2 hire and labour charges for shuttering with or without staging upto 4.0 m height using approvedstout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts ofminor structu 3 plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (ground floor). 4 neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc.note:cement 0.152 cu.m per100 sq.m. 5 m.s. structural works in roof trusses with tubular section conforming to is 806-1968 & is 1161-1998 6 galvanised corrugated iron sheet wotk (excluding the supporting frame work) fitted and fixed with 10mm dia j or l hook bolts limpet and bitumen 7 galvanised iron sheet eaves gutter fitted anf fixed with necessary 50mm x 6mm ms flat bar clamps bent 8 galvanised iron sheet ridging fitted with necessary bolts screws, washer etc complete 9 supplying fitting and fixingupvc pipe a type and fitting conforming to is 13592-1992 with all necessary clamps 10 18% gst 11 1% labour cess