290/2024-25 MAINTENANCE TO MCF BUILDING-NAYARAMBALAM G.P

Building maintenance

OD279125/2025-2026:Steel work for purlin/ single section with MS Tubes 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(observed data as per 50.10.1)

OD280012/2025-2026:Providing and fixing Aluminium traford sheet precoated (size,shape and pitch of corrugation as approved by Engineer- in charge) 0.46mm total coated thickness with zinc coating 120 grams per sqm as per IS:277, IN 240mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polister top coat 15-18 microns. sheet should have protective guard film of25 microns minimum to avoid scracches during transportation and should be supplied in single length upto 12 metres or as desired by the Engineer in charge. The steel shall be fixed using self drilling/ self trapping screws of size(505*55mm)with EPDM seal, complete up toany pitch in horizontal/vertical or curved surfaces, excluding the cost of purlins,rafters,and trusses and including cutting to size and shape wherever required.

OD279124/2025-2026:Providing and fixing 200mm wide square uPVC rain water gutter including all necessary fittings and making all necessary connections complete as per the direction of engineer in charge at site.

14.72X:Scaffolding

50.6.2.2:Solid masonry using pre cast solid blocks (factory made) of size 30x20x15cm or nearest available size confirming to IS 2185 part I of 1979 for super structure up to floor two level with thickness 15cm in : CM 1:6 ( 1 cement : 6 coarse sand) etc complete

13.1.2:12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand).

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III)derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

11.41.2:Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS : 15622, of approved make, in all colours and shades, laid on 20 mm thick cement mortar 1:4(1 cement : 4 coarse sand), including grouting the joints with white cement and matching pigments etc., complete.Size of Tile 600 x 600 mm.

50.18.7.3.1:Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer- in- Charge 25 mm dia 12 Kgf/cm2 - Internal work - Exposed on wall

50.18.7.4.1:Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 32 mm dia 10Kgf/cm2- Internal work - Exposed on wall

50.18.9.18.1:Providing and fixing PVC pipes including fixing the pipe with clamps/clips at 1.00 m spacing. This included jointing of pipes with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 75 mm dia 6Kgf/cm2 - External work- Exposed on wall

50.18.9.8.1:Providing and fixing PVC pipes includings jointing of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 75 mm dia 6 Kgf/ cm2

OD279121/2025-2026:Engaging man coolies

10.29.1:Providing & fixing fly proof wire gauze to windows, clerestory windows & doors with M.S. Flat 15x3 mm and nuts & bolts complete.Galvanised M.S. Wire gauze with 0.63 mm dia wire and 1.4 mm aperture on both sides

13.9.1:Cement plaster 1:3 ( 1 cement : 3 coarse sand) finished with a floating coat of neat cement.12 mm cement plaster

14.1.1:Repairs to plaster of thickness 12 mm to 20 mm 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 50 meters lead:With cement mortar 1:4 ( 1 cement : fine sand)

13.43.1:Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer