City of Ontario – Reservoir Repair Contract Management, Construction-Phase Engineering Services

ProjectLine provided contruction management services for repairs of two City of Ontario water supply reservoirs, 0.375 and 2.0 million gallon Reservoirs 5 and 6. ProjectLine staff prepared the project scope of work, cost estimates, construction schedule, evaluation of bids, and recommendation for contract award. Services also included contractor field oversight, Quality Assurance/Quality Control monitoring, review of contractor submittals, and technical evaluations of repair alternatives. Repairs implemented include sealing approximately 3,000 linear feet of cracks in the concrete walls and slabs of the reservoirs, recoating corroded interior roof supports, and repairs to concrete voids and spalls. ProjectLine evaluated alternative repair methods, recommending an advanced, very-low-viscosity gravity penetrating epoxy sealant for more cost-effective repair of selected cracks. Alternative repair methods allowed completion of added work within original project budget and schedule.