Responsibilities Summary: Knowledge and experience in estimating staffing requirements for Operations & Maintenance (O&M), Utilities Systems O&M, Storage & Warehousing, Supply Operations, Standing Operations, Environmental, Refuse Services, Grounds Maintenance, and Custodial Services. Analyze and interpret raw workload data regarding historic hours, service order type and quantity, staffing and trade skill mix, material costs, equipment costs, vehicle costs, and other direct costs.