supply of supply of motorized boom rest locking box assembly of 110 volt ac as per drg no.-swa/elb/2021/49supply of motorized boom rest locking box assembly of 110 volt ac as per drg no.-swa/elb/2021/49,supply of motorized boom rest locking box assembly of 110 volt ac as per drg no.-swa/elb/ 2021/49 confirming to rdso specification no.- rdso/spn/208/2012 version 2.0 suitable for all type of polb (power operated lifting barrier), one set consists of 2 boom rest locking box assembly.(make: global, heidz , pragati, dashmesh or equivalent) note-1. motor should be procured from rdso approved source. [ warra nty period: 30 months after the date of delivery ] ]