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Onslow NC Water and Sewer Authority Disaster Response Emergency Construction Services (20180437.00.CL)

Emergency repair to water and wastewater utility services in the event of a natural disaster within the ONWASA service area to include the following:

Water Distribution System
• Excavation and initial repair of main breaks, line sizes from 2-inch diameter up to 24-inch diameter maximum, on both PVC and ductile iron pipe.
• Assessment and completion of temporary repairs to aerial crossings (where piping is still intact) or installation of isolation valves (where piping is damaged/missing).
• Installation of isolation valves or capping of lines serving areas where excessive distribution system damage occurred.
• Placement of compacted fill to temporarily support water piping exposed at road wash-outs or creek crossings.
• Replacement of service lines and/or re-setting meters where damaged or missing at ONWASA-determined high priority locations.
• Troubleshooting and repair/placement of pumps, motors and generators at water booster stations.
• Removal of surface debris from water well sites to restore access to equipment.

Sewage Collection System
• Excavation and initial repair of gravity sewer and force mains up to 12-inch diameter, including PVC and ductile iron pipe.
• Placement of compacted fill to temporarily support sewer piping exposed at road wash-outs or creek crossings.
• Cleaning, temporary repair or replacement of critical precast concrete manhole structures.
• Troubleshooting and repair/replacement of pumps, motors and generators at wastewater pumping stations.
• Furnishing and setting of bypass pumping equipment at manholes or pumping stations.
• Removal of surface debris from wastewater pumping stations to restore access to equipment.
            
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