supply of supply of double inlet centrifugal blower, , supply of double inlet centrifugal blower, 110volt ac, single phase, 50hz to rcf specification no.ed ts 313, rev.nil, amendment no.1&2, with annexure-1, corr.1. [ warranty period: 30 months after the date of deli very ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 la cs ] ] , supply of double inlet centrifugal blower 190v ac, 3-phase, 50hz for exhaust from lav atories for lhb non-ac coaches. as per drawing no. :edts - 432, rev-nil, corr-1. [ warranty period: 30 mo nths after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 la cs ] ]