American Conservation Experience - EPIC & CORPS
  • National Park Service
  • Yosemite Valley, CA, USA
  • Internship
  • TTAP

Summary: American Conservation Experience, a nonprofit Conservation Corps, in partnership with the National Park Service, is seeking Two (2) Interns to work directly with the NPS staff and assist primarily with the preservation of a historic CCC-built Hetch Hetchy Comfort Station, and Chimney Preservation of Yosemite residences.

These opportunities are intended for enthusiastic individuals with background in construction who possess an interest in gaining experience in the field of historic preservation and NPS facilities maintenance.


Start Date: 6/3/2019

End Date: 10/26/2019

* A minimum 20-week commitment is required *


Location: Yosemite National Park, Mariposa County, California.  Ace interns will report to work at the historic preservation shop in El Portal.


Project Website: For more information about TTAP, please visit ( For more information about site name, visit

For more information regarding the ACE Internship Program, please visit:


Compensation: ACE Intern is expected to contribute ~40 hours/week and will receive a living allowance of ~$545/week to cover the costs of food and incidental expenses, dispersed bi-weekly.


Housing: Housing is the responsibility of the intern and not provided by ACE or NPS. * Local candidates strongly urged to apply as housing is difficult to secure! *


AmeriCorps: This position may be eligible for a 675-hour AmeriCorps Education Award ($2255.24) upon successful completion of internship service hours. Additional enrollment is required.



Formal 2-week Training at Lassen Volcanic Nat'l Park: June 17 to 28
NPS and industry professionals will teach apprentices safety techniques, preservation philosophy, and technical trades skills.  During this instruction, TTAP apprentices complete core curriculum through the National Center for Construction Education and Research (NCCER), an industry leading certification program for maintenance and craft professionals. This training will be based at Lassen Volcanic National Park. Apprentices living outside commuting distance will be provided housing, travel, and per diem expenses coverage by ACE throughout the training period. For the remainder of the program, apprentices hone their skills alongside NPS craftspeople at their host parks.

Interns will return to Yosemite National Park for the balance of their 20-week commitment.  Daytime schedule with Yosemite Historic Preservation will look like: 40 hours per week, 10 hours per day, 4 days per week, Monday through Thursday, 7:00am to 5:30pm


Position Description: Traditional Trades Apprentices will assist park preservation staff with facilities maintenance projects to preserve historic sites in Yosemite National Park. Typical preservation activities include general building maintenance, structural stabilization, replication of building materials and architectural features, and project documentation. Service will be performed at project work sites throughout the park, and in the Yosemite Historic Preservation shop.

Project work will require the use of power tools, woodworking machinery and traditional hand tools to perform tasks related to carpentry and fine wood crafting, painting and masonry. Interns will work closely with journeymen preservationists to learn technical skills and historic preservation treatment standards as defined by the Secretary of the Interiors Standards for the Treatment of Historic Properties.  

ACE interns should be capable of serving in extreme weather conditions, including from ladders and scaffolding, and are expected to adhere to safety requirements, maintain a positive attitude, and have a strong desire to learn the rewarding trade of historic preservation.


Project Background and Objectives:  The Hetch Hetchy Comfort Station is located near the foot of the Hetch Hetchy reservoir Damn in Yosemite National Park, which serves the city of San Francisco with clean drinking water. The Hetch Hetchy Comfort Station was constructed in 1934 by the Civilian Conservation Corps and is considered an outstanding example of rustic park architecture utilized by the NPS during the 1920's & 1930's for visitor services. The comfort station today still serves as the primary restroom facility for visitors in the remote for area of Hetch Hetchy.

The work at Hetch Hetchy Comfort Station will focus primarily on exterior preservation, involving masonry and exterior wood repairs. Both the South West and North East corners of the building are exhibiting foundation settling issues which is causing the stone facade to pull away from the wood framed structure. To remedy this problem each corner's masonry will be documented and dismantled. New large format granite stones will then be laid in place to act as a spread footing, and the masonry features will be re-assembled matching their original orientation and character. Other areas exhibiting failing mortar will be addressed by raking (removing) the old failing material and re-pointing with new mortar which will match the original. Exterior wood repairs will entail extensive window preservation work, rafter tail repairs, window jamb and sill repairs, and repairs to both of the entry doors. After all work is completed the structure will receive a fresh coat of paint.   

Preservation activities on the residence chimneys will focus on masonry cleaning and repairs, flashing repair and replacement, and the repair of any deteriorated wood components that intersect with stone chimney structures. The three chimneys receiving preservation treatments this year are located in the historic Lost Arrow housing district in Yosemite Valley.

This project is one component of a six year, multi component project addressing the condition of the aging granite chimneys; many of which are the source of water intrusion to the interiors of the homes. Each of these chimneys will be cleaned using masonry cleaning methods to remove rust and biological growth. All failing mortar will be raked out to a depth of one inch, then re pointed to match the original materials characteristics. Deteriorated and failing lead flashing will be removed and replaced with new material, and any damaged or deteriorated wood components that intersect at the chimneys will be repaired or replaced as needed. 


Qualifications: Applicants for the position must hold or be pursuing a minimum of a high school diploma and/or have relevant experience in subject areas such as construction or historic preservation.


  • Desire and ability to complete all program training requirements in order to receive NCCER and OSHA certifications; this includes rigorous assessments both in classroom online coursework.
  • U.S. Citizen or Permanent Resident
  • Must be 18-30 years of age 
    • (Interns must be 21+ to secure ACE position that requires operation of NPS or ACE vehicles for duties.)
    • A valid driver's license and a clean driving record are required (documentation to be provided upon request)
  • Ability to work alone and in a group
  • Proficient in English
  • Ability to undergo a federal criminal background check is required


  • Knowledge of basic construction techniques
  • A career interest in building trade skills and/or historic preservation 
  • Is comfortable working outside in varying weather conditions and at heights 
  • Ability and willingness to be trained in lead-based paint abatement
  • Have a willingness to work hard and get dirty 
  • Have a serious attitude toward safety all day, every day 
  • Have the ability to think critically and creatively 
  • Have positive attitude 
  • Ability to communicate effectively 
  • Have a professional and respectful manner and works well within a team

ACE Interns must be willing to represent ACE and the partner organization in a professional, positive, and enthusiastic manner.  Drug users should not consider applying, as ACE reserves the right to require drug testing.


To Apply: Please submit your resume, thoughtful cover letter, and contact for three professional/academic references to the online application page for this position here:

NOTE: Early consideration will be given as resumes are received. This position may close at any time. If you have any questions regarding this position please feel free to contact ACE EPIC Recruitment specialist, Dave Hecker at 801.386.1629 or


American Conservation Experience - EPIC & CORPS
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