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 washouts 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 washouts 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. The right is reserved to reject any or all bids, to waive informalities, and to award contract or contracts which, in the opinion of the Onslow Water and Sewer Authority, appear to be in its best interest. The right is reserved to hold any or all Bids for a period of sixty (60) days from the opening thereof. By mutual agreement, ONWASA reserves the right to extend this period and hold any or all Bids for an additional 30 days.
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