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Air Force SIAs
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Energy Savings for the Air Force

Farnsworth Group was part of an IDIQ team awarded a multi-installation contract to conduct energy infrastructure assessments throughout seven Air Force installations in the South Atlantic and Midwestern regions of the United States. These assessments consisted of facility condition inventory assessments, real property inventory, space utilization analysis, and High Performance Sustainable Building Checklist evaluation. Farnsworth Group’s tasks centered on ASHRAE Level 2 Energy Audits and project-ready energy conservation measures (ECMs).

The scope of work included the following:

  • Evaluation of MEP systems, including lighting
  • Evaluation of building envelope, including roofs and walls
  • Review of water usage
  • Data collection and analysis
  • Identification and analysis of ECMs
  • Identification and analysis of water saving measures (WSMs)
  • Easily implemented repairs
  • Documentation of sequences of operation
  • Final reports for each installation
Thermal assessment of building envelope

Teams were organized to conduct field service visits over a duration of 2-3 weeks, with an intricate system of data collection and implementation of real-time data and technology use. The number of buildings Farnsworth Group assessed on each installation ranged from 14 to 205, including operational, administration, recreational, maintenance, storage, healthcare, emergency response, and dormitory buildings.

After a site visit, information collected was analyzed against current utility usage. ECMs and WSMs were identified and analyzed for cost of implementation, energy savings and paybacks.  All of the information was presented in a single report by installation with a prioritization of what was recommended and estimated construction cost descriptions (using RS Means).

This work involved meticulous planning, continuous and rigorous quality control, and flexibility to accommodate and be non-disruptive to ongoing Air Force mission activity. Some challenges our teams overcame included the following:

  • Compressed onsite schedules required close management of multiple assessment teams for visits to hundreds of buildings in the 2- to 3-week timeframe.
  • Fast-paced schedules with many moving pieces required exceptional safety oversight. Our teams operated under detailed safety and hazard mitigation plans, and we ensured adequate personal protective equipment was used by all personnel.
  • Work inside facilities took place during Air Force daytime working hours. We maintained flexibility to accommodate reschedules when Air Force mission requirements prohibited or limited access.
  • One-time access to each installation required that data collection had to be complete and accurate before we left the installation. A daily automated quality check of collected data was instituted to allow for next day revisits to buildings, if required.

Farnsworth Group identified numerous ECMs that would result in substantial savings, with an average simple payback on investment of 4 years for the total program. The following table summarizes estimated savings per base.

Base

Buildings

Est. annual savings

Simple payback

Arnold

27

$383,851

6.1 years

Columbus

14

$80,927

2.4 years

McConnell

51

$92,784

2.9 years

Offutt

19

$298,379

6.8 years

Hurlburt

205

$537,487

2.8 years

Eglin

155

$410,803

2.8 years

Tyndall

20

$87,829

2.5 years

Program Total

491

$1,892,060

4.1 years