KAC 11- Procurement, Fabrication and Erection of Fire stair at Vadakkekotta and SN Junction Metro Station including foundation, supports, painting etc. and any other allied works related to steel and civil works in Phase 1 Extension stations

SCHEDULE A - STRUCTURAL STEEL

Providing, fabricating to required profile and shape, transporting, erecting and fixing in position structural steel work conforming to IS 800, IS 2062, IS 875 & IS 1079 including procurement of all raw steel materials, bolts, nuts & washers including their testing, allowance for all wastages, straightening, cutting, bending of sections wherever specified, welding, full strength butt welding (shop or field) wherever specified, drilling holes, bolting, provision of necessary tools, testing etc. The rate shall also include required surface preparation for preparation for application of primer and procurement & application of all coats of shop and site primers, intermediate and finishing paints as specified. The rate shall also include preparation of all complete fabrication drawings based on design drawings and their approval from Engineer prior to execution. The rate shall also include provision and installation of base plate anchor bolts (measured in MT) etc. as per drawing and specifications. Rate shall be inclusive of all necessary lead, lift, hire charges, fuel etc. towards transportation, lifting machineries for erection/fixing in position etc. without civil foundation work ,complete by contractor Painting Scheme:- 1)Surface Preparation :- Sand/Shot Blasting to SA 2.5 specification 2)1st Coat :-One coat of Zinc Rich Epoxy primer (75 micron) 3)2nd Coat :-Two coat of Epoxy -Micaceous Iron Oxide (150 micron) 4)Final Coat :-One coat of Hi-Gloss Acrylic Polysiloxane (75 micron)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing corrugated G.S. sheet roofing including vertical / curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

0.63 mm thick with zinc coating not less than 275 gm/ m²

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SCHEDULE B - NDSR

120Mins. Fire rated hollow metal doors - Painted Providing and fixing of Hollow metal fire rated doors as per IS 3614 part-1 & part-2 for stability and integrity. Pressed Galvanized stgeel confirming to IS 277 with the following specification.Recommended fire door shall have doors tested at CBRI or ARAI for maximum rating of 2hrs with vision panel. Test certificates should be available for vision lites/panels as part of the fire door assembly. Independent glass test certificates will not be accepted. Manufacturer test certificate shall cover doors both single and double leaf and all doors supplied should be within the tested specimen,deviation in specification and sheet thickness other than what is mentioned in the test certificates are not allowed.Proper label confirming the type of door and the hourly rating is mandatory. Approved manufacturer Shakti Hormann or approved equivalent. Door frame shall be single rebate frame profile of size 125 x 60mm made out of 1.60mm (16gauge) minimum thick galvanized steel sheet.

120Mins Fire Rated door Single leaf with vision panel(200mm x 300mm) with hardware set, iron mongeries (dorma,geze or equivalent) and locks# (1200x2100)

Ground level rectification works for Earth Pits, LA Conductor , 25*6 mm GI<br>Strips etc. due to construction of emergency stair.

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SCHEDULE C - DSR

Foundation and miscellneous works under DSR 2023

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SSCHEDULE A - STRUCTURAL STEEL

SCHEDULE B - NDSR

SCHEDULE C - DSR

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