FEDERAL & DOD STRUCTURAL ENGINEERING
Structural Engineering for
Federal & Military Facilities
Nationwide PE licensure. Proven at 20+ military installations across four branches.
PE-stamped work delivered on federal schedules. Serving federal projects at installations nationwide — including Eglin AFB, Edwards AFB, Vandenberg AFB, Camp Lejeune, Fort Polk, Kadena AFB, and more.

49
PE Licenses — All 50 States & Territories
5
SE licenses in CA, HI, ID, IL, and OR for seismic-critical federal work
24,000+
Projects Since 2003
20+
Military Installations — 4 Branches
WHAT WE DO
Federal Structural Engineering Services
TGE provides PE-stamped structural engineering at DoD installations and federal facilities —
from rapid-response damage assessments to repair engineering and new facility support.
STRUCTURAL ASSESSMENTS AT MILITARY FACILITIES
On-site structural evaluations at DoD installations following damage events — crane collapse, vehicle impact, storm damage, fire — with PE-stamped findings and clear repair recommendations.
REPAIR & RENOVATION ENGINEERING
EOR services for federal facility repairs and modifications — PE-stamped drawings for contractor use, construction administration support, and documentation that meets federal project requirements.
DOD FACILITY STRUCTURAL DESIGN
Structural engineering for new and renovated DoD facilities, with familiarity with Unified Facilities Criteria (UFC) standards governing military construction.
NAVFAC PROJECT SUPPORT
Structural engineering for Navy and Marine Corps projects through NAVFAC, including facility assessments and repair engineering at Naval installations.
MULTI-BRANCH EXPERIENCE
Projects spanning U.S. Air Force, Navy/NAVFAC, Army, and Army National Guard — across 11 US states and internationally at Kadena AFB, Okinawa, Japan.
NATIONWIDE PE COVERAGE
49 PE licenses covering all 50 states, DC, and territories. No out-of-state licensing delays — TGE can mobilize PE-stamped support to any federal installation in the country.
WHERE WE'VE WORKED
Military Installations Served
TGE has performed PE-stamped structural engineering across four branches of the US military — spanning 11 states and internationally. TGE has supported federal projects in Florida, California, New Mexico, Colorado, Massachusetts, Nebraska, Idaho, Michigan, North Carolina, Louisiana, and Texas — plus internationally at Kadena AFB, Japan.
U.S. AIR FORCE / ANG
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Eglin AFB, FL — structural evaluation, crane impact
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Tyndall AFB, FL — multiple projects
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Edwards AFB, CA — multiple projects
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Vandenberg AFB, CA
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Kirtland AFB, NM
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Cannon AFB, NM — multiple projects
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Schriever AFB, CO
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Hanscom AFB, MA
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Offutt AFB, NE — shooting range
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Mountain Home AFB, ID — commissary, structural investigation, facility evaluation
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Gowen Field ANG, Boise, ID — C-130 Hangar, Dorms/Education Building
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Selfridge ANGB, MI — facility condition assessment
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Kadena AFB, Okinawa, Japan
U.S. NAVY / NAVFAC / MARINES
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MCB Camp Lejeune-New River, NC — Verona Loop Marine Mart
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Camp Devil Dog (MCB Pendleton), CA — Mini Mart, NAVFAC
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Naval Base Ventura County, Point Mugu, CA — Seismic retrofit, Building PM-57
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FBI Academy, Quantico, VA — Shooting Range
U.S. ARMY / USACE
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Fort Polk, LA — facility assessment, barracks QA, DFAC ground-up QA, training city QA
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Army Reserve Center, Denton, TX — ground-up build QA
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Fort Worth, TX — BUILDER Train the Trainer, Military Base Energy Calculator
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Fort Hood, TX — Energy Calculator Development, USACE/DoD
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Camp Grayling, MI — Army National Guard
CURRENT END USERS


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WHY TGE
Built for Federal Work
Federal projects demand licensure, experience, and reliability across state lines. TGE delivers all three.
49 PE LICENSES NATIONWIDE
All 50 US states, DC, and territories covered. No delays waiting on out-of-state licensing for any federal installation.
20+ MILITARY INSTALLATIONS
Structural work across Air Force, Navy, Army, and National Guard facilities in 11 states and internationally.
5 SE LICENSES
Structural Engineer licenses in CA, HI, ID, IL, and OR for seismic-critical federal and DoD work.
24,000+ PROJECTS COMPLETED
Operating since 2003 across manufacturing, commercial, modular, public, facilities, and federal sectors.
REGISTERED IN SAM.GOV
Active SAM registration (UEI: P2M3FCNV4BC5, CAGE: 96W55) — ready for federal contracting and procurement at any DoD or civilian agency.
CERTIFICATIONS & AFFILIATIONS
USACE CQM-C certified (Will Workman, P.E.). BUILDER Train the Trainer certified. Society of American Military Engineers member — Gem State Post.
Frequently asked questions
THE TAMARACK GROVE DIFFERENCE
OVERALL DEPTH OF EXPERTISE AND RESOURCES
PROTOTYPE DEVELOPMENT/IMPROVEMENTS
INNOVATIVE, RIGHT-SIZE SOLUTIONS
RESPONSIVENESS
FASTER THAN AVERAGE TURN-AROUND TIMES
LICENSURE THROUGHOUT NORTH AMERICA
Key Team Members

BRIAN SIELAFF, M.S.C.E., S.E., P.E., P. ENG. CEO

DOUG HARDIN, P.E. President

WILL WORKMAN, P.E. Engineering Manager

