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Form#: B-52 7/18/91 DEPARTMENT OF FINANCE REQUEST FOR COUNCIL ACTION DEPARTMENT: Evironmental Management DATE: 2/28/2023 STAFF CONTACT: Dora Beck PHONE: 961-8513 A. REQUEST: An Ordinance amending Ordinance 22-125, which authorized the Mayor to enter into an intergovernmental agreement for a State Water Pollution Control Revolving Fund Loan for Wastewater improvement project and authorizing the issuance of$17,000,000 General Obligation Bonds of the County of Hawai'i, by separating the original project (Hilo WWTP Upgrades— Design) into two phases and naming the phases as follows: Hilo WWTP Upgrades Dcaign 000,000 Hilo WWTP Rehabilitation and Replacement Project Phase 1 $7,000,000 Hilo WWTP Rehabilitation and Replacement Project Phase 2 $10,000,000 B. BACKGROUND AND JUSTIFICATION (USE ADDITIONAL SHEETS AS NEEDED): Ordinance 22-125 authorized the Mayor to enter into an intergovernmental agreement for a State Water Pollution Control Revolving Fund Loan and authorized the issuance of$17,000,000 General Obligation Bonds for the Hilo WWTP.Upgrades — Design project. State Department of Health has identified Phase 1 and Phase 2 as separate projects within the State Water Pollution Control Revolving Fund loan program, and will address each phase under separate loan aggrements, Both phases of the project are currently in design. The initial design contract was executed to prepare plans and construction specifications for phase 1 of the project which includes upgrades (rehabilitation and replacement) to the existing headworks, anaerobic sludge digestion facilities, and associated auxiliary and support buildings in the Hilo Wastewater Treatment Plant. Subsequently, a supplemental agreement was executed to initiate design for phase 2 of the project which includes upgrades of the existing primary sedimentation tanks, existing secondary treatment facilities, plant- wide electrical and instrumentation improvements, and construction of a new solids handling facility. Because of the quantity, size and prioritization based on risk and consequences, both the design and construction of the upgrades will be managed and implemented in two phases. Therefore, the original upgrade design project is being separated into two phases each with a defined scope of work. The Hilo WVVTP has reached the end of its service life as the amount of required maintenance has increased during recent years. It is expected that the completion of the upgrades will decrease the demand on staff time to maintain the facility. The State Department of Health is set to issue commitment letters for funding through the State Water Pollution Control Revolving Fund Loan for Wastewater Improvement to Phase 1 and Phase 2 of the project. SIGNED: &IQ',M . ()?; . 6610,® DATE: 0,1) Depart nt Head