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Proposition O – Clean Water Bond Projects Update (CF 10 0221 S1) Mar Vista Recreation Center Stormwater Project Penmar Park Stormwater Project Westchester (LAX Northside) Stormwater Project December 5, 2012

MV P W Brief 2012-12-05-1 [Compatibility Mode]

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Page 1: MV P W Brief 2012-12-05-1 [Compatibility Mode]

Proposition O –Clean Water BondProjects Update(CF  10‐0221‐S1)

Mar Vista Recreation Center Stormwater ProjectPenmar Park Stormwater ProjectWestchester (LAX Northside) Stormwater Project

December 5, 2012

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Purpose

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Respond to Council Motion ‐ CF 10‐0221‐S1 (Rosendahl – Reyes)Address issues raises by Channel 2 CBS NewsUpdate on optimization at Mar Vista Project

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Prop O has Extensive Oversight

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Administrative Oversight Committee (AOC) –Meets monthlyCitizen Oversight Advisory Committee (COAC) – Meets Monthly

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Mar Vista Park Stormwater BMPLocated Near Sawtelle Blvd. and Palms Blvd.

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Project Purpose and Benefits

Comply with water quality standards.Reduce stormwater trash and bacteria pollution entering Ballona Creek and Santa Monica Bay.Reuse water where feasible.

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New innovative project – in need of extensive optimization.

270 acre watershed tributary area consisting of high‐density residential and commercial corridor.

Treatment Train:Trash collection, hydrodynamic separator, retention chamber, and disinfection facility.

Storage tank of 260,000 gallons.  

Mar Vista Project Description 

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STORMWATER FLOW AND TREATMENT

Trash racks

Separator

Storage TankDisinfection Building

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TOTAL BUDGET $4.46 M‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐Multiple Sources of Funding:•Federal ARRA $1.78 M•State Water Resources  $0.30 M•City LA Prop O $1.23 M‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐TOTAL COST $3.31 M‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐TOTAL SAVINGS $1.15 M

Project Savings of $1.15 million by leveraging other funding resources

Mar Vista Project Budget and Savings

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Mar Vista Project Issues

Facility was shutdown due to safety concernsSingle sample showed high bacteria levelsNo reuse of waterEligibility for reimbursement from State

Disinfection Building.

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Optimization & Corrective Actions

Implementing enhanced safety measures for Disinfection Building.Developed Standard Operating Procedures and training.Facility to be back online January 2013 Disinfection Building.

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Installed storage for chlorine tables outside the building to minimize exposure to chlorine fumes. Project uses solid chlorine tablets for disinfection. 

Tablets stored in tubs and in locked blue container outside the building.

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Optimization & Corrective Actions

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Installed a portable eyewash. Portable eyewash has fresh water to flush eyes if exposed to chlorine. Permanent system is being installed.

Portable eyewash

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Optimization & Corrective Actions

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Installed a mechanical fan to improve  ventilation and air circulation in disinfection building.

New fan

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Optimization & Corrective Actions

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Improved access to building to eliminate obstructions and trip hazards.

Some pipes will be re-located

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Sides of the building were opened

Optimization & Corrective Actions

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High Bacteria Level

Single sample is March 2012 showed high bacteria levels.This is expected since disinfection system was offline due to the safety issues.Project’s primary goal is to address bacteria in runoff.

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Mar Vista Project Water Use

Reuse was not included in initial project due to lack of reuse guidelines.With new guidelines in place, a second phase is being designed to use clean water will be use for park irrigation by July 2013. 

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Eligibility of Reimbursement from State

Cost was fronted from City’s Prop O funds.State conducted final inspection and accepted the project in September 2011.State provided close out letter That City fulfilled all grant requirements in July 2012.State provided final reimbursement in September 2012.Correction underway are part of any normal construction project. 17

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Penmar Stormwater Project

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Penmar Stormwater Project Status

March 2007: Concept Report prepared by Bureau of Sanitation

November 2008: Pre‐design Report prepared by Brown and Caldwell and Bureau of Engineering

July 2010: Construction began

October 2012: Formed Start‐up team

January 2013: Complete Construction

July 2013: Schedule of post‐construction to complete

January 2012 – September 2015: Phase II work to provide disinfection system for beneficial uses at park.

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Westchester Stormwater Project

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Westchester Stormwater Project Status

March 2007: Concept Report prepared by Bureau of Sanitation

July 2008: Pre‐design Report prepared by Geosyntec and Bureau of Engineering

Currently: LAWA working on agreement to transfer land to Bureau of Sanitation.

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