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UM - RM23-1481 - SLUDGE THICKENING IMPROVEMENTS AT JBPHH WWTP

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Federal

Contract Overview

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AI Contract Overview

The Sludge Thickening Improvements at JBPHH WWTP project, managed by Navfac Hawaii, integrates two critical infrastructure upgrades to address environmental compliance and system failures. The first component involves replacing a severely corroded 8-inch subnatant force main to prevent recurring spills reported to the State Department of Health. This work includes trenching and installing approximately 140 feet of new HDPE force main, connecting it to existing subnatant pumps, and integrating the line into the influent channel of the Anoxic/Aeration Tanks. The second component is a corrective action response to a Notice of Violation Order for the wastewater treatment plant. This scope requires the procurement and installation of two new drum thickeners outside the existing dissolved air floatation tanks building. Key technical requirements include connecting primary sludge and waste activated sludge lines to flocculation tanks, linking a polymer tote to the feeder, connecting the thickener outlet to existing sludge transfer pumps, and establishing necessary power connections.

General Info

Navfac Hawaii project replacing a force main and installing two new drum thickeners.

Agency

Department Of The Navy → Navfac Hawaii

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

USA

Set-Aside

NONE

Documents

No documents available

Documents will appear here when they are available.

AI Contract Breakdown

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Timeline

PostedJul 2

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Organization & Contact Information

AgencyDepartment Of The Navy → Navfac Hawaii

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Navy → Navfac Hawaii

Office AddressN/A

ContactsNo contact information available

Full Description

This project combines UM - WW - REPLACE WWTP SUBNATANT PIPING and UM - INSTALL DRUM THICKENERS AT JBPHH WWTP projects. Scope for Subnatant Piping: Scope involves constructing a replacement 8-inch subnatant force main from the Disolved Air Flotation Tanks System Subnatant Wetwell Pump Station to the Influent Channel of the Anoxic/Aeration Tanks. Work will include trenching and installing approximately 140 feet of new HDPE force main, connecting the force main to the existing subnatant pumps, and coring a hole through the wall of the influent channel and affixing the new pipe end in place. The existing force main is severely corroded and has recently (within the last nine months) broken several times; each time, a spill is recorded and reported to the State Department of Health. Scope for Drum Thickeners: Justification: Induction of this project is required due to the recent Notice of Violation Order (NOVO) for the WWTP. Several deficiencies were identified that need to corrective action which involves repairs. Project scope involves: purchasing and installing two new drum thickeners outside of the existing dissolved air floatation tanks (DAFTs) building; connecting primary sludge and waste activated sludge lines to inlet of floculation tanks for drum thickeners; connecting polymer tote to polymer feeder; connecting drum thickener outlet to existing sludge transfer pumps; connecting power to new drum thickeners.