supply of manufacturing & supply of austentic stainless steel boom 9760 mm(full length) (grade en 1.4301) , manufacturing & supply of austentic stainless steel boom 9760 mm(full length) (grade en 1 .4301) as per drg. no- rdso/s 11601(adv.) (rev.-1)(page 1 to 4) having following components: 1 section-a , length- 2440mm, thickness-18swg sheet. 2 section-b, length- 2440mm, thickness-22swg sheet. 3 sec tion-c, length- 2440mm, thickness-24swg sheet. 4 section-d, length- 2440mm, thickness-24swg sheet. 5 locking hanger (ss 304) as per drg. no.-rdso/s11601 (adv.)(rev.1) [ warranty period: 30 months aft er the date of delivery ] ]