Indian Institute Of Management Tender

Providing, fabricating and erecting MS ladder with service platforms in the New Campus, IIM Ahmedabad: a) Providing, fabricating and fixing the mild steel ladder with two numbers of service platforms in plumbing shaft for maintenance purpose as same as existing done in Dorm-19 & Dorm-21. b) Ladder verticals to be prepared by using MS pipe of diameter 42.40 mm (outer diameter) 3.2mm thick and steps of diameter 33.70mm and 3.2mm thick. Steps width to be kept 250mm and spacing should be 300mm c/c. c) Total floors of building is ground + three floors (height is approximate-12 mts) d) First platform size- 820 x 500 mm will be near washroom ventilator made up of box section 40 x 40 x 3.2mm with flats section in between of size 50mm x 5mm and supported on MS angle section 50 x 50 x 5mm. e) Second platform size- 230 x 800 mm will be connected to first platform fixed in nature. f) Second platform is made up of box section 40 x 40 x 3.2mm with flats section in between of size 50mm x 5mm and supported on MS angle section 50 x 50 x 5mm. g) Sizes mentioned above are tentative based on existing sample done. They may change during actual work with prior approval. h) Fastner upto 12mm diameter and 150mm length to be used. i) Corners of box sections and MS pipe to be closed by blanks. j) Welding for joints to be done for entire length. k) All the MS sections after sanding to be applied with one coat of yellow zinc oxide primer and then two coats of antirust enamel paint. l) No extra will be paid for wastages. m) It includes repairing of CPVC/PVC water supply lines if damaged during ladder erection work. No extra cost will be paid for such repairing work. Notes-Sample of the material to be get approved form IIM representative before going for mass purchase & fabrication. Refer photo in NIT (last page).

Total Weight of Mild steel sections

Total number of fastners