Construction of steel structure pre-painted galvanised sheet roof for protection of DG set installed at IGM Hospital complex under PHSD, Banamalipur, Agartala

Heading 1

Chipping of unsound/weak concrete material from slabs,beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge

Reinforcement for R.C.C. work including straightening,cutting, bending, placing in position and binding all complete upto plinth level.Thermo-Mechanically Treated bars of grade Fe-500D or more

Grading roof for water proofing treatment complete as required as per direction of the Engineer-in-charge with :Cement concrete 1:2:4 (1 cement : 2 fine sand : 4 graded stone aggregate 20 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering -All work upto plinth level:1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded well burnt brick aggregate 20 mm nominal size)

First class brick work in superstructure above plinth level & upto floor-five level including cost of all materials as required completeIn cement mortar 1:4 ( 1 cement : 4 fine sand ).

Heading 2

12 mm cement plaster of mix Cement mortar 1:4 (1 cement : 4 fine sand)

Neat Cement punning

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes (working pressure 4 kg/cm2) conforming to IS : 13592 Type A includingjointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion etc. complete as per direction of Engineer-in-charge :Single socketed pipe - 110 mm OD

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conf orming to IS : 13592 Type-A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion etc.complete as per direction of Engineer-in-chargeCoupler110 mm

Bend 87.5°110mm

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sqm and under including cutting the patch in proper shape and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground with all leads and lifts including finishing even and smooth and curing complete as per direction of the Engineer in charge:With cement mortar 1:4 ( 1 cement : 4 fine sand ).

Applying one coat of water thinnable cement primer of approved brand and manufacturer on wall surface completeWater thinnable cement primer

Wall painting with acrylic plastic emulsion paint of approved brand and manufacture to give an even shade [Payment shall be made after submission of Test Certificate issued by the Manufacturer]