SPECIAL REPAIR TO ROOF SHEETS OF HANGAR NO P-86, PROVN OF OPEN SHEDS AND ADDN/ ALTN TO DRAIN AT MAMUN MIL STN

Dismantling Plain or corrugated steel/Fibre glass reinforced translucent sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings etc complete all as specifed & directed.

Dismantling of roof trusses, purlin, rails fastening, etc, of steel section complete all as specifed & directed

M&L for mild steel work as in roof trusses (framed ), trussed, purlins, rails & fastening and heavy bracket framing (beam, tee, angle, channel, flat, etc) incl distance pieces, cleats , holdfast etccomplete all as specifed & directed.

M&L for mild steel work as in wind tie for roof sheet securing incl distance pieces, cleats etc complete all as specified & directed.

S&F Pre-painted galvatume aluminium zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, Chhaja, etc upto height of 8 to 12m of hangar fixed with self tapping screws, seal the laping of sheets with sealent/epoxy etc complete all as specified & directed..

Fixing only corrugated steel sheet any thickness and size of any colour as in roof covering/ cladding to wall, Chhaja, etc upto height of 8 to 12m of hangar fixed with self tapping screws, seal the laping of sheets with sealent/epoxy etc complete all as specified & directed..

S&F Pre-painted galvatume aluminium zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in Ridge,etc upto height of 10m of hangar fixed with self tapping screws or J hooks as specified & directed.

M&L 2mm thick Fibre glass reinforced translucent sheeting in roof, walls etc upto height of 10m of hangar fixed with coach screw and washer in roof, wall etc or with L-T type or J-type or cranked hook bolts etc complete all as specified & directed.

M&L prepration of old steel surfaces of any description, not other wise described over 10 cm width or girth and applying one coats of synthetic enamel paint , white or tinted complete all as specified & directed.

M & L preparation of new or previously un-treated steel surfaces any description over 10 cm width or girth and applying two coat of synthetic enamel paint over a coat of red-oxide primer complete all as specified & directed.

Excavating in post holes and getting out in soft/loose soil each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, watering, and removing surplus soil to a distance n exc 50m and making good surface complete all as specifed & directed.

M&L for cement concrete 1:3:6 type C2 using 40mm graded crushed stone aggregate in foundation, filling and mass concrete complete all as specifed & directed.

Material & labour for brick work with sub class 'B' bricks as in half brick thick walls straight or curved on plan to any radous built in CM 1:4 complete all as specifed & directed.

M&L for PCC 1:2:4 type B1 using 20mm graded stone aggregate in coping etc, including weathering slightly rounded champers angle forming channels & form work complete all as specifed & directed.

M&L for rendering 15mm thick plaster on fair faces of brick concrete surfaces in cm (1:6), finished even and smooth without using extra cement complete all as specifed & directed.

M&L for preparation of new plastered wall surfaces and applying two coats of cement based paint of approved colour and shade including curing complete all as specifed & directed.

M&L for machine cut Kota stone slab flooring 18-20mm thick laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab laid over & including 20mm screed based in CM 1: 4, including rubbing and polishing the Kota stone surfaces complete all as specified & directed.

All as per description of Item No. 17.00 here in before but as in Skirting over & including 10mm thick rendering in CM 1:3

M&L for MS Tube section as in posts, purlins and rafter with welding/ including securing with special shaped nut, bolts and washers & welding all as specified and directed.

M&L mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends each screwed end to be fitted with washer and one hexagonal or square nut exc 5 cm long but n exc 150 mm & dia of neck 11 to 15mm complete all as specifed & directed.

Excavating in post holes and getting out in soft/loose soil each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, watering, and removing surplus soil to a distance n exc 50m and making good surface

Surface excavation in hard/dense soil n.exc (not exceeding) 30cm deep and averaging 15cm deep and get ting out complete all as specifed & directed.

Removing excavated material to a distance exc. 50m but n exc 250m and depositing where directed at a level n.exc. 1.5 m above the starting point

M&L for hardcore of broken stone or boulder gauge n exc. 63mm, deposited, spread and leveled in layers n exc. 15cm thick, watered and rammed to a true surface complete all as specifed & directed.

M&L for PCC 1:4:8 type D2 using 40mm graded stone aggregate as in foundation filling and mass concrete complete all as specified & directed.

M&L for three coats of white wash on newly plastered surfaces of walls etc including preparation of surfaces complete all as specifed & directed.

M&L for Sand filling under floors or in foundations including watering and consolidation complete all as specifed & directed.

M&L for coloured machine pressed precast rubber moulded concrete interlocking (red/yellow) paver blocks of any shape and size with 6-8mm white cement layer mixed with pigment and coated with epoxy coating having high glossy finish confirming to IS 15658-2006 of 60mm thickness, M-35 Grade, complete all as specified and directed.

Excavation by mechanical means (Hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width) including getting out in any type of soil and disposal of excavated earth to a lead upto 50 m and lift upto 1.5m, complete all as specified and directed. Note:- Removal of surplus soil upto 50m distance included in this item.

Demolition of brickwork or stone/boulder masonry built in cement mortar including all quoins, arches, pillars etc., but excluding ashlar facing, dressed stone work and precast concrete articles, complete all as specified & directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25cm. complete all as specified & directed.

M & L Brick work with old size flyash bricks straight or curved on plan exceeding 6 m mean radius with old size bricks built in cement mortar 1 : 4 complete all as specified.

All as per description of item No 32.00 here in before but except bricks. Note:- Old serviceable bricks retrieved from demolition shall be re-used.

M&L for rendering 12mm thick plaster on fair faces brick surfaces in cement mortar 1 : 4 finished even and smooth without using extra cement complete all as specified.

M&L for plain cement concrete 1:3:6 type C-2 (using 40 mm graded crushed stone aggregate) as in surface channels and drains complete, all as specified and directed.

M&L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends complete all as specified and as directed.

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