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Tank – Dip, 15,000 GL (Heliwell)

NFES #
000669
Category
Water Handling
Updated
Storage and Shelf Life Checks
None

Initial Inspection/Disposal Criteria

  1. Observe condition prior to take down or after setting up unit following manufacturer’s assembly procedures.
    • Look at rim covers and inspect attached webbing.
    • Remove rim covers and inspect top of tank for abrasions or tears.
    • Look in tank for slices or holes and mark with felt pen if repairs needed.
    • Inspect panels to ensure they are not bent or misshapen and attached clips are functional.
    • Inspect turn buckles and cables for frays and burrs.
  2. Return to stock if unused.
  3. Refurbish item, if repairs are extensive, refer to SEI Industries website.
  4. Dispose of irreparable components and replace as necessary.

Refurbishing Procedures

A. Cleaning

  1. Clean tank liner and panels, inside and outside with soapy water and a brush or highpressure wash and rinse.
  2. Rinse well with clean water from high-pressure washer.
  3. Allow to air dry on both sides.

B. Repair

  1. Weld all cracked or broken welds on aluminum panels.
  2. Patch any damaged areas marked in liner. All patches should be welded with patch material that is recommended by the manufacturer.
  3. Rivet rim covers if missing.
  4. Straighten panels and replace clips if needed.
  5. File off burrs on turn buckles.
  6. Replace any missing or damaged fittings, valves, adapters or caps.

C. Testing for performance

  • Verify panels are close together by inspecting placement.

D. Repackaging

  1. Fold tank liner into a shape that fits underneath one panel. See Heliwell operator’s manual on SEI website.
  2. Place folded liner on a pallet and stack panel atop tank.
  3. Box other components together and place on pallet.
  4. Strap down tank, panels, and boxed components securely.

 

NWCG Latest Announcements

WFSTAR 2026 Core Components Module Package and 2025 Fire Year in Review Now Available

Date:  March 23, 2026
Questions? 
Please contact: Joe Schindel

The 2026 Core Components Module Package for RT-130, Wildland Fire Safety Training Annual Refresher (WFSTAR) and the 2025 Fire Year in Review are now available on the NWCG website. The 2026 Core Components Module Package provides all content needed to deliver RT-130.

References:

2026 Core Components Module Package

2025 Fire Year in Review Module

NEW! S-490, Advanced Fire Behavior Calculations (Blended) Available Now

Date:  March 17, 2026
Questions? 
Please contact: Fire Behavior Subcommittee

NWCG is pleased to announce that the new S-490, Advanced Fire Behavior Calculations (Blended), 2026 course is now available.

This training includes performance-based activities that allow students to apply the knowledge and concepts required for the Fire Behavior Analyst (FBAN), Long Term Fire Analyst (LTAN), and Prescribed Fire Burn Boss Type 1 (RXB1) positions. It supports individuals working towards these incident qualifications.

This blended course begins with a self-paced online training (OLT) in the Wildland Fire Learning Portal (WFLP), followed by an in-person instructor-led training (ILT).

References:

S-490, Advanced Fire Calculations (Blended)

NWCG Fire Behavior Analyst (FBAN) Position Page

NWCG Long Term Fire Analyst (LTAN) Position Page

NWCG Prescribed Fire Burn Boss Type 1 (RXB1) Position Page

2024 Paul Gleason Award Winners Announced

Date:  March 13, 2026
Questions? 
Please contact: Leadership Committee

The NWCG Leadership Committee is proud to announce the recipients of the 2024 Paul Gleason "Lead By Example" awards. Award categories include Initiative and Innovation, Mentoring and Teamwork, Motivation and Vision, as well as a Lifetime Achievement Award.

Congratulations to the awardees:

  • Justin Baxter, National Unmanned Aerial System (UAS) Operations Specialist, with the U.S. Forest Service — Initiative and Innovation
  • Kelly Woods, Director of the Wildland Firefighting Lessons Learned Center — Mentoring and Teamwork
  • Doug Booster, Instructor, ProHealth Net, Inc. — Motivation and Vision
  • Pam McDonald, Writer-Editor for the National Interagency Fire Center — Lifetime Achievement Award

References:

Paul Gleason Lead By Example Award

Wildland Fire Leadership Development Program (WFLDP)

Leadership Committee

NEW! S-231, Engine Boss Course Available Now

Date:  March 6, 2026
Questions? 
Please contact: Incident Operations Subcommittee

NWCG is pleased to announce the new S-231, Engine Boss (Single Resource) course is now available on the Wildland Fire Learning Portal (WFLP). Developed through the Incident Performance and Training Modernization (IPTM) effort, this training supports individuals working towards Engine Boss, Single Resource (ENGB) incident qualifications. 

This is a performance-based instructor-led training (ILT) that focuses on the application of ENGB responsibilities during wildland fire operations, emphasizing readiness, information gathering, risk management, engine tactics, and Wildland Urban Interface (WUI) operations. Trainees apply these skills through scenario-based group work and an optional field day that reinforces hands-on engine operation tasks. 

References:

S-231, Engine Boss (Single Resource) (Instructor-led)

NWCG Engine Boss, Single Resource (ENGB) Position Page

Wildland Fire Learning Portal