GENERAL-RIO-Urgent maintenance works

Amount

Appendix A

15.23.1: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

15.57:Dismantling aluminium / Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable surplus material and stacking of serviceable material with in 50 metres lead as directed by Engineer - in-Charge

12.52.3:Providing and fixing tiled false ceiling of approved materials of size 595 x 595 mm in true horizontal level, suspended on inter locking metal grid of hot dipped galvanized steel sections (galvanized @ 120 grams per sqm, both side inclusive) consisting of main "T" runner with suitably spaced joints to get required length and of size 24x38 mm made from 0.30 mm thick (minimum) sheet, spaced at 1200mm center to center and cross "T" of size 24x25 mm made of 0.30 mm thick (minimum) sheet, 1200 mm long spaced between main "T" at 600 mm center to center to form a grid of 1200x600 mm and secondary cross "T" of length 600 mm and size 24x25 mm made of 0.30 mm thick (minimum) sheet to be interlocked at middle of the 1200x600 mm panel to form grids of 600x600 mm and wall angle of size 24x24x0.3 mm and laying false ceiling tiles of approved texture in the grid including, required cutting/making, opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc. Main "T" runners to be suspended from ceiling using GI slotted cleats of size 27 x 37 x 25 x 1.6 mm fixed to ceiling with 12.5mm dia and 50 mm long dash fasteners, 4 mm GI adjustable rods with galvanised butterfly level clips of size 85x 30x 0.8 mm spaced at 1200 mm center to center along main T, bottom exposed width of 24 mm of all T-sections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by Engineer -in-charge.12.5 mm thick square edge PVC Laminated Gypsum Tile size 595x595 mm made of Gypsum plasterboard , manufactured from natural gypsum as per IS 2095 part I and laminated with white 0.16 mm thick fire retardant PVC film on the face side and 12 micron metalized polyster on the back side with all edges sealed with the face side PVC film which goes around and wraps the edges and is bonded to the edges and the back side metalized polyster film so as to make the tile a completely sealed unit.

11.49.2:Providing and laying Vitrified tiles in floor with different sizes (thickness to be specified by the manufacturer), with water absorption less than 0.08% and conforming to IS : 15622, of approved brand & manufacturer, in all colours and shade, laid with cement based high polymer modified quick set tile adhesive (water based) conforming to IS : 15477, in average 6 mm thickness, including grouting of joints (Payment for grouting of joints to be made separately).Size of Tiles 600x600 mm

11.48.2:Grouting the joints of flooring tiles having joints of 3 mm width, using epoxy grout mix 0.70 kg of organic coated filler of desired shade (0.10 kg of hardener and 0.20 kg of resin per kg). including filling /grouting and finishing complete as per direction of Engineer-in-charge.Size of Tile 600x600 mm

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)

14.43:Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

OD218282/2022-2023:Labour engaged for cleaning the premises as per the direction of Engineer in charge.

14.53.1:Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade:One or more coats on old work

14.54.1:Painting with synthetic enamel paint of approved brand and manufacture of required colour to an give even shade:One or more coats on old work

Remaining portion of roofing maintenance works in Administrative Block

OD68426/2023-2024:Removing and replacing/readjusting on roof departmental pressed clay tile(Mangalore tile) of 20mm nominal thickness and of approved size and as perapproved pattern on roof etc. complete.

15.14.2:Dismantling wood work in frames, trusses, purlins and rafters up to 10 metres span and 5 metres height including stacking the material within 50 metres lead:Of sectional area below 40 square centimeters

OD122082/2024-2025:Providing and fixing .50mm thick (+/-0.05mm) Aluminium plain sheet (size, shape etc as approved by engineer in charge) on wooden rafters with wire nails and washers to pre cover etc. complete up to any pitch in horizontal /Vertical or curved surfaces and including cutting to size and shape where ever required as per the direction of Engineer in charge.

50.9.13.1:Supplying and fixing Anjily wood wrought and put up for roof members including cost and conveyance of materials etc. complete .

50.9.14.3:Supplying and fixing Vengai wood reapers of size 50x25 mm with wire nails including cost and conveyance of materials etc. complete.

50.9.14.4:Supplying and fixing Dept. wood reapers of size 50x25 mm with wire nails including cost and conveyance of materials etc . complete.

OD68431/2023-2024:Providing MP hip and ridge tiles

OD68432/2023-2024:Providing MP roofing tiles

OD68435/2023-2024:Removing and readjusting/replacing on roof pressed clay departmental ridge tile(Manglore tile) of 20mm thickness and of approved pattern on roof complete.

OD38490/2023-2024:Labour engaged for cleaning the premises as per the direction of Engineer in charge.

50.10.1:Steel work in built up G I 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

12.50:Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+0.05%), total coated thickness 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 scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling/self tapping screws of size (5.5x55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

12.51.1:Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+ 0.05%) total coated thickness, zinc coating 120 grams per sqm as per IS:mm(+0.05%) total coated thickness, 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 using self drilling/self tapping screws complete:Ridges plain (500-600 mm)

OD122107/2024-2025: Providing & fixing Poly carbonate crystal textured sheet 3 mm thick of required colour and shade as approved by the Engineer in charge with minimum 50 micron UV protection coating including aluminium U groove channel section of standard size and weather resistant Neoprene EPDM rubber gasket to make the fabricated structure water proof. The U groove channel section shall be rigidly to supporting frame work along with the sheet with self taping self drilling steel screws fixed approx 150mm centre to centre. The open end edges of Polycarbonate sheet shall be provided with aluminium channel of size 10x10x1.5mm and weight not less than 0.20Kg/m with necessary self taping screws. The joints of the structure shall be properly sealed with silicon sealants wherever required so as to make the fabricated structure totally water proof. The rate shall include the cost of all materials, such as aluminium section set and charnel, EPDM gasket, self taping screws, nuts bolts and silicon sealant and all the labor and material required to cut, fabricate and fix the structure complete as per direction of Engineer in charge (Cost of supporting steel tubular structural frame work provided shall be paid for separately). Finished sheet area shall be measured for the purpose of payment.

Bidder Name

ANIL KUMAR P