bids are invited for custom bid for services - housekeeping and gardening services for total qty of 1890 shifts as per scope of job stc and boq , custom bid for services - mechanical maintenance services for total qty of 630 shifts as per scope of job stc and boq , custom bid for services - electrical and instrumentation maintenance services for total qty of 1260 shifts as per scope of job stc and boq , custom bid for services - earth pit resistance testing for total qty of 4 each as per scope of job stc and boq , custom bid for services - assistance in field supervision for total qty of 630 shifts as per scope of job stc and boq , custom bid for services - assistance in tt loading operations and tank farm and pump house operations for total qty of 2520 shifts as per scope of job stc and boq , custom bid for services - assistance in control room for total qty of 630 shifts as per scope of job stc and boq , custom bid for services - assistance in weigh bridge operations for total qty of 630 shifts as per scope of job stc and boq , custom bid for services - assistance in tt entry system for total qty of 630 shifts as per scope of job stc and boq , custom bid for services - assistance in s and d office for total qty of 630 shifts as per scope of job stc and boq , custom bid for services - overtime for unskilled manpower for total qty of 100 hours as per scope of job stc and boq , custom bid for services - overtime for semiskilled manpower for total qty of 240 hours as per scope of job stc and boq , custom bid for services - overtime for skilled manpower for total qty of 140 hours as per scope of job stc and boq , custom bid for services - overtime for highly skilled manpower for total qty of 40 hours as per scope of job stc and boq