SPECIAL REPAIR TO BLDG NO P-68/1-4 (OR MD ACCN) OF 627 EME BN AT KALIMPONG MIL STN FOR FY 2026-27

Dismantling of Plain or corrugated steel sheeting of any gauge, thickness, including nainital or salimar pattern roof coverings etc. complete all as specified and as directed.

S&F Pre-painted, High Tensile 550 Mpa yield strength, Bare Galvalume Steel Sheet having maximum pitch of 250mm c/c & minimum 30mm crest depth in length as per site requirement. The galvalume sheet is to be manufactured out of 0.50mm (TCT) (Total Coated Thickness), with zinc-aluminium alloy of AZ-150. The GI based steel sheet shall have a hot dip metallic zinc-aluminium alloy coating of zinc (43.5%), aluminium (55%) & Silicon (1.5%). The profile is having return leg for proper side lap. The sheet shall be fixed using self Drilling/Self Tapping Screw with EPDM Seal as per manufacturers specifications/instructions etc. complete all as specified and as directed by Engr-in-charge.

S&F Pre-painted, High Tensile 550 Mpa yield strength, Bare Galvalume plain Steel Sheet. The galvalume sheet is to be manufactured out of 0.50mm (TCT) (Total Coated Thickness), with zinc-aluminium alloy of AZ-150. The GI based steel sheet shall have a hot dip metallic zinc-aluminium alloy coating of zinc (43.5%), aluminium (55%) & Silicon (1.5%). The profile is having return leg for proper side lap. The sheet shall be fixed using self Drilling/Self Tapping Screw with EPDM Seal as per manufacturers specifications/instructions etc. complete all as specified and as directed by Engr-in-charge.

Dismantling wrought iron or mild steel work of any description etc. complete all as specified and as directed.

S&F 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 Fe 410-W (Gde 250 quality A) etc. complete all as specified and as directed.

S&F joist, channel, angle, flat iron or Tee sections, fixed independently with connecting plates, etc confirming to Fe 410-W (Gde 250 quality A) etc. complete all as specified and as directed.

Dismantling wall and ceiling boards (fiber, pulp, insulation etc) or insulation boards/slabs/blankets, any thickness including cover fillet etc. complete all as specified and as directed.

S&F false ceiling with powder coated exposed GI grid suspension system (E-Grid T-2430 or equivalent load carrying capacity with mid span deflection not exc. 1/360 span with hanger spacing of 1200mm c/c) consisting of main runner 3600mm long, cross Tee 1200mm/600mm long and wall angle. The main runners to be placed @ 1200mm, the cross Tee 1200mm will be inserted in the pre cut slots of main runner at a regular interval of 600mm to form a modular grid of 1200mmX600mm. Additional cross Tees of 600mm shall be placed perpendicular to the cross tee 1200mm long to finally form a grid of 600mmX600mm. Suspensor system (Grid) made out of GI sheet main Tee of size 23.5mmX38.50mm X0.36mm and cross Tee of size 23.5mmX23.5mmX0.36mm and angle size 19mmX19mmX0.36 mm. Grid of modular size 600mmX600mm shall be supported by 4 mm dia G.I. wire from purlins/soffit with and including 4mm thick high pressure steam cured non asbestos fiber cement designer ceiling board (Density>1200Kg/Cum) of size 595mmX595mm, confirming IS 14862 & Type B Category III of ISO 8336, tested as per AS 1530 Part-3 & BS-476 Part-4, 5, 6, 7 & 8, as per manufacturer's instruction etc. complete all as specified and as directed by Engr-in-charge.. Make : Everest or equvalent as approved by GE

Dismantling floor, hearth or wall tiling including cement mortar bedding but not backing, removing rubbish off the etc. complete all as specified and as directed.

M&L for non skid ceramic coloured tiles 7 to 8 mm thick (square/ rectangular) area of each tile exc 0.11 sqm but n.exc 0.18 sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the surfaces of tile over and including 20 mm thick screed bed in cement mortar 1:6 etc. complete all as specified and as directed.