SPECIAL REPAIRS TO BLDG NO P-2 (HAWA MAHAL) AT INHS ASVINI

Amount

M&L for roof tiles, Mangalore pattern, interlocking at side joints, laid dry including dismantling old single layer Mangalore pattern or similar tiles in roofing.

-Ditto- all as per item No 1.00 above but except tiles in repairs.

M&L for ridge or hip tiles to suit Mangalore pattern of roofing tiles, bedded and jointed in cement mortar 1:6

M&L for 2nd class hard wood (Sal) clean sawn battens at 20 cm centers, sectional area exc 5 Sqcm & n.exc 15 Sqcm including dismantling battens for tiles of any size and spacing complete all as specified.

S&F in repairs 20 mm thick 2nd class Hardwood (Sal) boarding, planed one side and edges tongued and grooved or rebated in roofs, ceilings, etc and fixed with nails complete all as specified.

-Ditto- all as per item No 5.00 above but fixing only in repairs boarding planed one side and edges tongued and grooved or rebated in roofs, ceilings, etc and fixed with nails complete all as specified.

S & F pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.5 mm thick of an colour having tenstile strength of 550 Mpa as in roof covering / cladding to wall, fixed with self tapping screws complete all as specified.

Dismantling structural steel work including doors, gates but excluding frame truss etc.

M&L for second class hard wood (Sal) in scantlings clean sawn including dismantling old timber scantlings in unframed/ framed work in any position.

S&F in repairs 20mm thick 2nd class hardwood (SAL) weather boarding as per existing pattern/ design , wrought both sides, V jointed to give 20mm laps and fixed with screws complete all as specified..

S&F rolled sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for siding doors; fixed with angle cleats or other connceting plates of Gde Fe-410-W ( Gde -E-250) quality B complete all as specified.

M&L for PCC 1:3:6 type C1 (using 20 mm graded stone aggregate) in roof kerbs, mud stops, rounded or chamfered on edges and finishing top surface even and smooth without using extra cement as on sloping roof complete all as specified.

M&L for preparing surfaces of wooden tiles of slate battens, any size and spacing, prepared and treated all over with two coats of creosote oil (measured over all on one side only, spaces not deducted)

M&L for preparing new steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified.

M&L for preparation of old painted steel surfaces of any description not otherwise described over 10 cm width or girth & applying one coat of synthetic enamel paint complete all as specified.

M&L for preparing new wooden surfaces of any description, not otherwise described over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer complete all as specified.

M&L for preparation of old painted wooden surfaces of any description not otherwise described over 10 cm width or girth & applying one coat of synthetic enamel paint complete all as specified.

M&L for preparing old wooden surfaces of any description not otherwise described over 10 cm width or girth and making the surface even and smooth by applying wood filler and applying two coats of French polishing complete all as directed.

M&L for removing old paint/ polish from wooden surfaces by paint removers or burning off by blow lamps and cleaning with scrapers, any number of coats, any width or girth and making the surface even and smooth and applying one or more coats French polishing including a coat of wood filler complete all as directed.

M&L for providing post construction antitermite treatment along the external wall below concrete or masonry apron of bldg using chemical emulsion at the rate of 2.25 ltrs per linear meter including, drilling and plugging holes with white cement in apron complete all as specified and directed by Engineer-in-Charge.

M&L for providing post construction antitermite treatment to voids in masonry using chemical emulsion one litre per hole, at 300mm intervals including drilling holes at 45 degree and replugging them with cement mortar 1:2 (1 cement : 2 coarse sand) to match the existing floors complete all as specified and directed by Engineer-in-Charge.

M&L for post construction anti-termite treatment to wood work in contact with masonry such as frame of doors, windows, cupboard, ward robes, ventilators, wooden loft, switch board and wooden structures etc by drilling holes of 6mm dia with a downward slant at 45 degree to the core of wood work @ 150 mm C/C and injecting chemical chlorophyriphos 1% concentration with kerosene based solution till refusal and sealing the hole with white cement mixed with coloured pigment to match the surface complete all as specified

M&L for Preparing wooden surfaces of wooden boarding at roof to remove all foreign matters and providing water proofing treatment with 3mm thick APP modified bituminous membrane reinforced with non woven polyester mat of weight 160 gms/sqm as centre core and without multiple layers of polythene finished on top and bottom with 7 micron thick flammable polythene applied by thermofusion using LPG torch on the bottom portion of the membranes after applying a coat of bituminous primer @ 0.25kg/sqm over wooden surfaces (An overlap of 100mm and 150mm shall be provided on sides and ends respectively) complete all as specified and directed. Note - The work shall be carried out upto 30 Mtr height from the GL and the rates quoted shall deemed to be included provision of necessary scaffolding and safety arrengements.

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