Community Services Building

BACKGROUND

In March 2012, Spokane County conducted an energy audit of the Community Services Building, a unique multiuse facility of administrative offices and meeting rooms, with inpatient residential and outpatient treatment programs for substance abuse prevention and treatment. Results showed that the heating and cooling controls severely challenged the system during extreme conditions, which caused heating and cooling to be conducted simultaneously. Heating and cooling was a priority for the energy improvements made to the building and an opportunity to increase staff, patient and resident comfort.

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SOLUTIONS

Spokane County, in cooperation with the Washington State Department of Enterprise Services (DES) Energy Program, selected an Energy Saving Performance Contract (ESPC) approach in August 2013.

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Before this project, two existing chiller units were water cooled, utilizing City Water discharged to City Sewer system. The chiller system was upgraded by replacing the existing, water-cooled chiller plant with a 100 ton air-cooled chilled water system. The project also included the addition of zone shut-off dampers, scheduling of the HVAC systems, and enhancements to the existing direct digital control (DDC) in order to reduce runtime of the existing HVAC equipment and new chiller.

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OTHER BENEFITS

Spokane County Community Services Building occupants now experience seasonal comfort from the installed Energy Conservation Measurers (ECM). Preliminary Measurement and Verification (M&V) reporting show that the new systems are functioning properly and that these energy efficiency improvements have decreased Spokane County Community Services Building’s electricity, natural gas and water/sewer consumption. The cost to operate the building has been lowered, and its carbon footprint has been reduced. In addition, water consumption decreased 39% from 2,889 ccf to 1,763 ccf.

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Annual Energy Use

Baseline (2010)
156 kBtu/sq.ft
Expected (2015)
92 kBtu/sq.ft
Actual
COMING SOON

Energy Savings:

41%

Annual Energy Cost

Baseline (2010)
$103,000
Expected (2015)
$78,000
Actual
COMING SOON

Cost Savings:

$25,000

Sector Type

Local Government

Location

Spokane, Washington

Project Size

48,200 Square Feet

Financial Overview

$647,000

Spokane County Community Services Building
Spokane County Community Services Building