bids are invited for custom bid for services - annual maintenance and operation amoc of biotoilets in coaches of primary maintained coaches at coaching depot secunderabad for a period of 2 years sch a cost of manpower for maintenance of biotoilets as per scope of work , custom bid for services - sch b charging of chlorine tablets once in a month as per scope of work , custom bid for services - sch c charging of inoculum in bio tank as per scope of work , custom bid for services - sch d cost of tools and spares required as per scope of work , custom bid for services - sch e cost of consumablesfor maintenance of biotoilets as per scope of work , custom bid for services - sch f cost of chemicals for testing of effluent samples as per scope of work , custom bid for services - sch g cost for set of glassware consumables for bio toilet lab as per scope of work , custom bid for services - sch h maintenance cost of evacuation machines rly owned , custom bid for services - sch i cost of uniform for staff as per scope of work total quantity :