SPL REPAIR TO BLDG NO T-4 MEDICAL STORES AT BH BARRACKPORE UNDER GE BARRACKPORE

Dismantling of asbestos cement sheet (corrugated or semi corrugated etc) as in roof covering complete all as specified and as directed.

M&L Pre- painted hot dip aluminium Zinc alloy metalic coated trapezoidal profile steel sheet 0.50mm thick ( Total coated thickness), any pattern corresponding to IS 15965 : 2012 of durability class 3, atmospheric classification category 3, coating class AZ 150 of an approved colour having yield strength of 550 Mpa as in roof covering/wall cladding, fixed with self tapping screws complete all as specified and as directed.

M&L Pre- painted hot dip aluminium Zinc alloy metalic coated plain steel sheet 0.50mm thick ( Total coated thickness), any pattern corresponding to IS 15965 : 2012 of durability class 3, atmospheric classification category 3, coating class AZ 150 of an approved colour having yield strength of 550 Mpa as in roof covering/wall cladding, fixed with self tapping screws as specified complete all as specified and as directed. Note: To be executed for provision of ridges and hips.

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

M & L for rolled mild steel roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc confirming to grade Fe-410-W (Gde E 250) for fixing complete all as specified and as directed.

S&F Framed work such as grills, gratings etc., with ends of bars shouldered and/or riveted, or forget into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; frame work of water tanks and similar work conforming to Fe 290, Gde-E-165 completed all as specified and directed.

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

M&L for preparation of old painted surfaces of steel and iron work of any description over 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed.

M & L for Cutting chases, pinning in, making good to facing where required and pointing in cement mortar (1:3) to ends or edges of landings, steps, cills, sunsheds, shelves, lintel etc and cutting chases for concealed water tubing or concealed conduit wiring etc n. exc. 10 cm width or girth complete all as specified and as directed.

S & F false ceiling of designer tile ivory painted (high pressure steam cured) of 4mm thick (as per IS: 14862) of size 595x595mm and any one of the designs (cascade or Electra) in true horizontal level. Suspended on inter locking metal grid of hot dipped galvanized steel section (galvanized @120gms both side inclusive and black painted groove on all T webs)consisting of main T runner with suitably spaced joints to get required length and 15x32mm made of 0.3mm thick sheet spaced at 1200mm c/c and cross T of size 15x32mm made of 0.3mm sheet 1200mm long spaced between main T at 600mm c/c to form a grid of 1200x600mm and secondary cross T of length 600mm and size 15x32mm made of 0.3mm thick sheet to be interlocked at middle of the 1200x600mm panel to form grids of 600x600mm and wall angle of size 24x22x0.40mm and laying false ceiling tiles 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 trusses/ceilings using suitable suspension arrangement as per manufacturers instructions/literature. GI adjustable wire of 4mm dia with galvanized butterfly level clips spaced at 1200mm c/c along main T bottom exposed width of 15mm of all T section of 4mm dia GI wire shall be pre-painted with polyster paint and black painted groove at center of size 4mm depth and 4.5mm width including dismantling of old ceiling of any description complete all as specified and as directed.