Controls Why They Dont Work

Retro-Commissioning

60.5 Acres, 41 Buildings, 4.946 MGSF

Age of Facilities 6% 226,851 2000 to Present 19% 723,520 1990 to 2000 16% 594,524 1980 to 1990 18% 690,021 1960 to 1980 23% 884,605 1930 to 1960 18% 667,882 1910 to 1930 OF TOTAL GROSS DATE PERCENT BUILDING BUILDING

Systems
Constant Volume
Variable Volume
Duel Duct
Fan coils
DX
Window units

Facilities Engineering Mission Lower Operating Costs Preserve Assets Improve/Maintain Customer Satisfaction

CSRB Energy Conservation Project
$380k Annual Savings, 3 Year payback

West Building HVAC Issues

Staffing Retro-Commissioning
Reduced Service Contracts
Reorganized the Maintenance Department

Retro- Recommissioning
Customers
Maintenance Staff

Customers
Maintenance Staff
Gather Building Data

Customers
Maintenance Staff
Calculate Heat Load

Customers
Maintenance Staff
Calculate Heat Load
Assess Deficiencies

Customers
Maintenance Staff
Calculate Heat Load
Assess Deficiencies
Document Equipment

Customers
Maintenance Staff
Calculate Heat Load
Assess Deficiencies
Document Equipment
Prioritize Work

5M Annual Savings in FY05
$26M Total Savings from FY92 - FY05

Why Are Existing Buildings Broken?
Life of Equipment
Space Use
Budget Pressures
Organizational Change
Knowledge Base

What we’re doing about it
Facilities Renewal
Retro-Commissioning
Training
Commissioning
Equipment Standards
Design Guidelines
Controls Guidelines

Controls Why They Dont Work

by ASHRAE Region VI

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Controls Why They Dont Work Presentation Transcript