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SustainableHNL (sHNL)

SustainableHNL (sHNL) is the first airport sustainability initiative and pilot for the Hawaii Department of Transportation—Airport’s Division, SustainableDOT-A's (sDOT-A) airport system sustainability program. SustainableHNL (sHNL), was launched through the leadership of the sHNL Committee—a dynamic, interdisciplinary, and consensus-based team of DOT-A and Oahu District stakeholders inspired by the vision of Hawai'i airports as leaders in sustainability. The sHNL Committee began working together with the understanding that HNL protocols would be replicated, yet uniquely implemented across Hawaii’s airport system. To date, the sHNL Committee has engaged stakeholders, conducted assessment, and published the SustainableHNL- Elements Baseline report.

 

 

SustainableHNL Committee (sHNL Committee)

The sHNL Committee was created to make executive decisions to sustain HNL’s goals as described in the Statewide Sustainability Policy. The sHNL Committee is comprised of individuals that stem from the ACI-NA’s EONS model. The sHNL Committee is able to assess projects and programs as a holistic body and conclude decisions that will most benefit the airport. The role of the sHNL Committee is to:

    • Develop and Foster a Sustainable Culture
    • Lead Sustainable Initiatives
    • Educate Others of Sustainable Practices
    • Monitor Progress of Sustainable Developments
    • Analyze Life Cycle Operating Costs
    • Participate in Sustainability Partnerships 

 

sHNL Documents

 

 

LEED Projects

The following HNL projects have been registered with the USGBC and will pursue LEED certification:

 

    • Airport Lounge Renovation
    • HNL TMP Relocate IIT Maintenance Facility
    • HNL TMP Relocate IIT Cargo Facilities
    • HNL TMP New Mauka Concourse Improvements
    • HNL TMP New Commuter Terminal
    • HNL TMP New Diamond Head Terminal
    • HNL TMP New Bus Maintenance Facility
    • HNL Consolidated Rental Car Facility

 

Due to the nature and variety of airport project types and with LEED being only applicable to occupied buildings, further initiatives were taken by the DOT-A to ensure sustainable initiatives were implemented in all projects. The Sustainable High Performance Guidelines (SHPG) was developed to provide a process to facilitate the integration and implementation of sustainable best practices in all developing projects.

 

Sustainability Projects

The DOT-A has taken proactive measures to develop sustainable practices that are in line with the State and the aviation industry, including the following:

Initiatives Completed:

 

    • Participated in HECO’s Green Lights project since its inception, converted T-12 fluorescent lights with T-8 fluorescent lights with electronic ballasts.
    • Upgraded the airfield taxiway light fixtures and guidance signs with LED technology in 2007. HNL was able to achieve a reduction in energy consumption of nearly 600,000 kWh per year.
    • Installed a chilled water loop and replaced a/c chiller plants. The chilled water loop was completed in 2009; the Diamond Head chiller plant was completed in 2009. HNL will reduce their energy usage by 3,850 MWh annually.
    • Replaced light fixtures in the Interisland Parking Structure with fluorescent fixtures. The existing fixtures used 175 watts each while the fluorescent fixtures uses 85 watts and have a five times greater life expectancy.
    • Added remote control and data acquisition devices (Supervisory Control and Data Acquisition or SCADA) to electrical switches to allow the Energy Monitoring and Control Systems (EMCS) to better control electrical use for energy conservation.
    • HNL’s irrigation is tied into non-portable water from Sumida Watercress Farm.

 

Initiatives in Progress:

 

    • Evaluating the use of LED lights in certain areas of the airport.
    • Replacing existing 400 Hz converters with more energy efficient converters. These provide power for aircraft at the gates to run their air conditioning and other electrical needs. Otherwise, the these aircraft would have to run their on-board Auxiliary Power Units (APUs) which would use the on-board fuel and less efficient air pollution control devices.
    • Testing on-site wind energy potential by installing a 16 kw array of small wind energy generators at the new airfield vault and maintaining cost data. image 1 image 2 

 

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