Oak Bluffs Pump Station Hazard Mitigation Project

Town of Oak Bluffs

Wastewater Department

Jim Monteith

Facilities Manager

Project Locale

Densely Developed Area

Oak Bluffs Harbor

Oak Bluffs

Year round population approximately

4000 people

Summer population exceeds 25,000

Critical Infrastructure

OB wastewater collection and treatment system serves the heavily populated downtown and commercial areas

Three primary wastewater pump stations serve 90% of the wastewater system, and are located within newly mapped FEMA 100 yr flood plain

Stations have already had flood impacts

Bath House Pump Station

Lake Ave Pump Station

Dukes County Road Pump Station

The Project

Design and construct modifications to

these pump stations to ensure safe

operation during a 100 year flood event

Elevate all electrical service and control

panels above flood elevations

Construct elevated platforms for emergency

generators

Install protective flood panels around pump

stations

Sea Level Rise & Project Design

Design will be based upon a SLR

projection of 3.9 feet by Year 2100

(“intermediate-high” scenario)

Pump Station infrastructure has a

design life of 40 years

40 year SLR projection = 1.5 feet

Budget

Total project cost: $250,000

Match amount: $62,500

Grant award: $187,500

Tasks & Deliverables

Complete preliminary

designs

Submit design plans for

DEP Wastewater

Treatment Works Plan

Approval

Complete final design

Solicit construction bids

Submit Construction

Plans and Operation &

Maintenance Manual for

DEP approval

Obtain Order of

Conditions

Complete construction

DEP final inspection

Bath House Pump Station

electric panel

Dukes County Pump Station and

portable generator

Lake Ave Pump Station

Elevate above flood elevation

Elevate standby generator

Elevate all electrical controls

Protect buildings with flood

panels

Project Schedule

Project is currently underway

Town is working on preliminary designs

Completion date of June 30,2015

If you are

frustrated and confused

my work here is done

Stephen McKenna

Cape & Islands Regional Coordinator

Massachusetts Coastal Zone Management

Stephen.Mckenna@state.ma.us

508-375-6856