How Green is Our Library?

Video explains the LEED components of the building

How Green is our Library 2-8-17 from Town of Eastham on Vimeo.

LEED - Leadership in Energy and Environmental Design

Gold Certification Anticipated

Clean & Green

Sustainable Design at the Eastham Public Library
Library Porch
Project Team:

Oudens Ello Architecture
The Green Engineer, Inc.
P3 Project Management
Nauset Construction

Library Dedication:
February 4, 2017
Sustainable Sites

Site development - protect or restore habitat
Many of the library’s plants are native or adapted vegetation. The site includes a meadow by the pond. 43% of the site remains as vegetated open space. 

Stormwater Management

Storm water Management  

The Library’s roof slope directs rainwater runoff away from Depot Pond into a central catch basin. The parking lot uses a sand & gravel underlayment to improve the drainage, filtering, and recycling of rainwater away from Depot Pond and adjacent properties. 

Water Efficiency
Water Use Reduction  
The selection of restroom and sink fixtures reduces the Library’s water use by 33%.


Efficient Landscaping
No permanent irrigation has been installed on-site, drastically reducing the site water use. 


Energy & Atmosphere 

Commissioning of the Building Energy Systems

Commissioning activities were completed for the following energy- related systems: Heating, ventilating, air conditioning & refrigeration systems with associated controls; llighting & daylighting controls; domestic hot water systems. 

Light SensorEnergy Performance

The Library’s Whole Building Energy Simulation has achieved an energy cost savings of 49.91%. The total predicted annual energy consumption for the project is 89,945 kWh/year of electricity. The Library’s interior lighting has demonstrated a 54% energy use reduction; exterior lighting an 82% reduction.

Photo: Light sensor in lobby ceiling. 

Refrigerant Management

There are no CFC-based refrigerants serving the project building.

On-Site Renewable Energy
29.7% of the Library’s annual energy consumption is offset by the PV system at the Town's capped landfill. The roof has been designed to be “Solar Ready’ for future increased offsets of energy use by a PV system installed on-site. 

Materials & Resources 

Waste Diversion: 78%

Recycled Content: 16%

Regional Materials: 17%

Photo: Reclaimed Southern yellow pine on floor of VIS Library (1897). 


Indoor Environment 

Low emitting Materials-Adhesives, Paints, Flooring & Composites

All interior finishes of the project have been selected to reduce the Volatile Organic Compounds (VOCs) present in the building, to maintain the health of library occupants. 

Thermal comfort: Design & Verification 
Temperature Control
The Library’s mechanically ventilated & conditioned space is in compliance with LEED standards. 70% of individual spaces have access to thermal controls (operable windows, thermostats). 100% of multi- occupant spaces have access to thermal controls. 


Environmental Tobacco Smoke Control Smoking is not permitted on site.

Daylight and Views

95% of the Library’s regularly occupied spaces have access to views to the exterior, greatly improving the connection between the interior spaces of the library & the outdoor environment and Depot Pond. 

Innovation in Design

Exemplary PerformanceWindow View

Site Development to Maximize Open Space: The Library project score is 43%; the requirement for exemplary performance is 40%.

On-SiteRenewableEnergy. The requirement for exemplary performance is 15% and the project has documented 28.77% 


Winter SceneLEED*
Gold Certification
is anticipated...

*LEED: Leadership in Energy and Environmental Design.

The certification levels are Certified, Silver, Gold & Platinum. 

U.S. Green Building Council


Power Point and Handout with LEED facts and figures