COMPREHENSIVE REPAIR TO OTM ACCN UNDER AGE B/R-II AT MIL STN YOL

S&F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws including dismantling of existing roof sheet of any type. complete all as specified and directed

Pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws including dismantling of existing roof sheet of any type. complete all as specified and directed

M&L brick work with fly ash bricks, straight or curved on plan exc 6m redius in CM 1:6 including dismantling of existing brick/stone masonry complete all as specified and as directed.

Material & Labour for walling of random rubble stone masonry, uncoursed, well bonded, bedded and solidly hearted, built in CM 1:6 complete all as specified and directed including dismantling of existing brick/stone masonry complete all as specified and as directed.

Providing and fixing in position false ceiling/Wall Panelling at all heights with GRG ( Glass Fibre Reinforced Gypsum ) having BIS 2095 Part 3 & moisture content less than 2%, humidity resistance of 99% , NRC 0.80 to 0.85 as per IS 8225:1987, Non Combustible as per BS 476 ( Part 4)-1970 and light Reflectance of 90% ( Minimum ), With 10 mm thick Fully perforated Square edge GRG panels/tiles of size 595 x 595 mm factory finished in white with square perforations arranged in a uniform grid pattern, having minimum Square perforation size varying from 5mm x 5mm to 12.2 x 12.2 mm with perforation layout designed to maintain uniform module continuity across panel joints and edge spacing coordinated to maintain uniform perforation module when adjacent panels are installed, backed with factory applied white acoustic fleece and having approximate perforation area of 10–11%, perforation layout and pattern shall be as per manufacturer’s standard design and approved sample. comprising of a frame made from especially fabricated galvanized mild steel sheet 0.50 mm thick pressed section(galvanizing @120 grams per sqm including both sides) i.e. vertical studs of size 48 x 34 x 36 mm are placed at 600mm center to center in a floor and ceiling channel section of size 50 x 32m fixed to the floor and soffit at 600mm centers using 12mm dia,50mm long wedge type expanded zinc alloy dash fastener with 10mm bolt. This same channel is then to be fixed in horizontal direction at 600mm center to center so as to form a grid of 600mm x 600mm. Glass wool of 50mm thickness is then to be inserted in the slots and finally GRG non-combustible panels/tiles are to be screw fixed with self Tapping pan head nickel coated mild steel screws of size 13 x 3.2mm on to this grid leaving an even groove of 1 mm between the panels. The joints between the panels are to be duly jointed and finished using recommended jointing compound and fiber joint tape roll 50mm wide (90 meter) roll and two coats of primer suitable for paneling as per manufacturer’s specification as Per direction of Engineer-in-Charge all complete. (Note: All the cuttings/making holes for electrical fittings/items are considered in the mentioned rate. Contractor shall quote his rate accordingly) including dismantling of existing false ceiling of any type or size with frame all as specified.

GI frame work anodised snap grid frame work of size of size 605 mm X 605 mm as in false ceiling, flat or sloping (pattern as per manufacturer's catalogue/ instructions), cutting holes for electrical fittings fixed on and including aluminium tee of size 25mmX25mmX1.50 mm as main runner, aluminium tee of size 25mmX25mmX1.25 mm as cross runner and aluminium angle of size 25mmX25mmX1.25mm at the perimeter suspended from soffit at approx 900 mm centre to centre with hangers 6 mm dia galvanised (length as per site requirement) adjusting level fixed to roof by means of ceiling cleats made out of galvanised iron flat 40 mm X 3 mm size, 60 mm long and expansion hold fasteners 12.5 mm dia, 40 mm long including necessary scaffolding all as specified and directed.

M&L for 4 mm thick non asbestos fibre cement building boards of size 600x600mm (ED board)as in ceiling fixed or laid/ inserted to timber/ GI/ aluminium frame work fixed with nails, including dismantling of wall/ceiling board of any type with framework complete all as specified and as directed.

Dismantling timber scantlings in fillets, rails, posts, rafters,purlins, etc. under 40 sq. cm in section, framed or unframed work complete all as specified and directed.

M & L for second class hard wood in scantling clean sawn fixd in framed complete all as specified and directed including dismantling timber scantling, over 40 Sqcm in section, in any position complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.