supply of water boiler of 30 ltrs. cylindrical shape capacity for hot buffet lhb type coaches generally conforming to is: 3412 along with control box & necessary plumbing & t ap arrangement on a common base plate conforming to rcf specification no. edts-118, rev.-e & drg. no. lh 72211, alt.-b. input left hand side and right hand side (equal qty.) with 02 nos. ta ps. material to be procured from oem or its authorized dealers. material make shall be shri ll refrigeration or s.d. engineers