CITY OF EUCLID CONSENT DECREE IMPLEMENTATION

Transcription

1 CITY OF EUCLID CONSENT DECREE IMPLEMENTATION August 28, 2014

2 Collection System On the shores of Lake Erie, just east of Cleveland. Serves Willowick, Wickliffe, most of Euclid, & portions of Richmond Heights, Willoughby Hills, South Euclid and Cleveland. 1,400,000 linear feet of sanitary and combined sewers ranging in size from 8to84inchesindiameter.

3 Negotiations with USEPA and OEPA

4 Consent Decree Project Status SSOEP 1972: 36 SSOs on record in the City 2006: 15 SSOs in the City (14 Lake Erie discharge / 1 Euclid Creek discharge) & Water in Basements (WIBs) 2014: 7 SSO elimination complete; 6 SSO elimination & WIBs under construction SSOEP Project Cost = $13.8M Per the Consent Decree, project completion required by December 31, 2020

5 Consent Decree Project Status CSO LTCP CSO Projects 17 CSOs all located in residential neighborhoods. Combined sewer areas represent 6% of the City. Several of the CSO structures have been modified since Approved Sewer Study plan: Reduces number of overflows to four (4) or fewer in a typical rainfall year. Recommends eight (8) in system equalization basins in the CSO neighborhoods. No improvements at five (5) locations due to their infrequent overflows. CSO LTCP Project Cost is $23.2M. Consent Decree Schedule requires all CSO and WWTP improvements to be completed by December 31, 2025.

6 Locations of Combined Sewers in the City N

7 Consent Decree Project Status No Feasible Alternatives (NFA) Analysis Sludge Force Main Replacement Construction will commence Summer Project includes a parallel non potable water line to transport WWTP effluent to the Lakeland Disposal Facility for reuse. New WWTP Headworks Scheduled to commence construction in WWTP Equalization Phase 1 to commence in Upgrade Biological Process to MBR City has pre selected the membrane supplier through qualifications based selection. Upgrade will commence in Project Delivery Method Construction Manager at Risk CMR The City of Euclid has gone through a selection process to hire a CMR to manage the projects at the WWTP site.

8 WWTP Process Existing Conditions Pure oxygen high rate treatment process Rated for 22 MGD ADF, 66 MGD PF Max flow before washout of clarifiers is MGD Wet weather treatment facility can take 180 MGD Typical year peak flow rate is 213 MGD During a 25 year storm event flow rate is 335 MGD

9 WWTP Process Proposed Upgrade to MBR 22 MGD ADF, 66 MGD PF New Headworks with coarse screening for 213 MGD followed by grit removal and fine screening for 66 MGD 25 MG of EQ Phased 15 MG and 10 MG Relief sewer through plant that will carry 335 MGD

10 WWTP Proposed Site Plan

11 MBR Selection Process Euclid chose MBR process for WWTP upgrade Request for qualifications (RFQ) was advertised to identify qualified MBR suppliers/manufactures Two manufacturers were short listed and a request for proposals (RFP) was issued GE/Zenon was selected by the City CMR on the project will hold the contract with GE and assign to the Contractor who is awarded the construction contract for the WWTP upgrade.

12 Construction Management at Risk (CMR) Euclid elected to contract with a CMR for the Consent Decree projects at the WWTP. Selection process also included a request for qualifications (RFQ), interviews with firms, short listing 3firms and a proposal stage. Kokosing Construction Company was selected for the project.

13 Construction Management at Risk Benefits of CMR: Provide construction expertise during the design phase. Input on schedule and construction phasing. Identify savings to the projects. Project consistency Construction photography will be done by a single firm for all projects Kokosing and CT trailers Project signage

14 Questions? Lesley Gordon, P.E. Dan Knecht, WWTP Superintendent