bids are invited for labour component 1 - supervisor( general shift) (9:30 am to 6:00 pm) highly skilled , labour component 2 - plumber (general shift) (9:30 am to 6:00 pm)skilled , labour component 3 - carpenter ( general shift) (9:30 am to 6:00 pm) skilled , labour component 4 - helper( general shift)(9:30 am to 6:00 pm) un-skilled , material/work component 1 - demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in - charge.nominal concrete 1:3:6 or richer mix (i/c equivalent design mix). , material/work component 2 - demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in - charge.nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix). , material/work component 3 - demolishing r.c.c. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of engineer - in- charge. , material/work component 4 - demolishing brick work manually/ by mechanical means including stacking of serviceable materialand disposal of unserviceable material within 50 metres lead as per direction of engineer-in-charge.in cement mortar. , material/work component 5 - dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead : of area 3 sq. metres and below. , material/work component 6 - dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead :of area beyond 3 sq. metres. , material/work component 7 - dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. for thickness of tiles 10 mm to 25 mm. , material/work component 8 - dismantling old plaster or ski