Maintenance of Roof Work at Board Office Building, Vacnhiyoor, Thiruvananthapuram

Amount

APPENDIX-A

ENGAGING LABOUR FOR REPAIR WORK - Fitter ( Od31119/2022_2023 )

Engaging Labour For Cleaning works / Repair Works Beldar ( D S R 0115 )

Steel work in built up tubular ( round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes ( D S R 10.16.1 )

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch ofcorrugation as approved by Engineer-in-charge) 0.35 mm (+0.05%), total coatedthickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side. of the sheet and polyester top coat 15-18 microns.Sheet should have protective guard film of 25 microns minimum to avoid scratchesduring transportation and should be supplied in single length upto 12 metre or as desiredby Engineer-in-charge. The sheet shall be fixed using self drilling/self tapping screws ofsize (5.5x55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical orcurved surfaces, excluding the cost of purlins, rafters and trusses and including cutting tosize and shape wherever required.( OD 51.20 )

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+ 0.05 %) total coated thickness, Zinc coating 120 gsm as per IS: 277 in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Ridges plain (500 - 600mm). ( D S R 12.51.1 )

Providing and fixing PVC pipes including fixing the pipe with clamps/clips at 1.00 m spacing. This includes jointing of pipes with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 110 m dia 4 Kgf/cm2 - External work - Exposed on wall ( OD BUILDINGS 50.18.9.19.2 )

Providing and fixing PVC moulded fittings/ accessories for Rigid PVC pipes, including jointing with PVC solvent cement - 110 mm dia Elbow ( OD 50.18.9.22.1 )

Providing and fixing PVC moulded fittings / accessories for Rigid PVC pipes, including jointing with PVC solvent cement - 110 mm dia 45 degree Elbow ( OD 50.18.9.22.2 )

Repairs to plaster of thickness 12mm to 20mm in patches of area 2.5 sq. meters and under including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50metres lead : With cement mortar 1:4 (1 cement : 4 course sand). ( D S R 14.1.2. )

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete . ( 2018 D S R , 13.88 )

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work ( D S R 2018 , 13.52.1 )

Finishing walls with Acrylic Smooth exterior paint of required shade: Old work (Two or more coats applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface ( 2018 D S R 13.111.1 )

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : One or more coats on old work. ( 2018 D S R, 13.99.1 )

Floor painting with floor enamel paint of approved brand and manufacture of required colour to give an even shade : Two or more coats on new work ( D S R 2018 13.66.1 )

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm. FRLS PVC insulated copper conductor single core cable etc as required. ( D S R ELECTRICAL 1.10.1 )

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required. 20 MM ( DSR ELECTRICAL 1.21.1 )

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.1 x 1.5 sq. mm ( 1.17.1 )

Supply and installation of suitable size MS belt type fan clamp fabricated from flat iron 40 x 6 mm, 150mm long x 2 Nos with M.S. rod bent to shape, neatly painted with 2 coats of enamel paint over a coat of red oxide primer as per IS 732 as required. ( OD ELECTRICALS 90.4.2 )

Supply, conveyance, installation, testing and commissioning of 1200mm sweep - ceiling fan complete with service value minimum 4.0(cub meter/minute/Watt), Air delivery minimum 210(cubic meter/minute), 300mm down rod , 2 number canopies, shackele kit, Copper winding, 3 number blades and all remaining accessories including safety pin, nut bolts, washers suitable for 230V/240V single phase AC supply etc. complete as required ( OD ELECTRICAL 90.4.5.2 )

Supplying and fixing two module stepped type electronic fan regulator on the existing modular plate switch box including connections but excluding modular plate etc. as required. ( D S R ELECTRICAL 1.25 )

Supply and fixing Batten LED 20 W 1200 MM WITH NECESSARY ACCESSORIES ETC ( od349058/2020_2021 )

od31405/2022_2023 Engaging Labour for Repair works Electrician

HARIDAS, G

RAJESH SOMAN

G S Engineering Works