# SAM #FA9101_PESEUNITREPAIR

Sources sought: Allis-Chalmers axial compressor footer repair and drive-system alignment

**Buyer:** AETC PKP Procurement Branch
**Posted:** November 05, 2026
**Respond By:** November 10, 2026
**Identifier:** FA9101_PESEUNITREPAIR
**NAICS:** 811310

The Department of the Air Force is seeking capable businesses to repair and realign an Allis-Chalmers axial compressor at Arnold AFB.
- **Government buyer:** Department of the Air Force, Air Force Test Center, Installation Contracting Division (AFTC/PZI), Arnold Air Force Base; work is at Arnold Engineering Development Complex (AEDC).
- **Notice purpose:** Sources sought for market research and capability assessment; this is not an award.
- **OEM:** **Allis-Chalmers** — the manufacturer of the 1409 axial compressor. No other vendors are named.
- **Requested work:**
  - Repair 16 total 2-1/2-8 hold-down bolt holes across four compressor footers: four damaged threads and 12 additional holes, restoring them to original specifications or better.
  - Lift and inspect the approximately 80,000-lbf compressor using contractor-provided cranes; return it to its original location and secure it.
  - Provide and install 16 replacement hold-down bolts meeting or exceeding original specifications.
  - Reconnect the drive system using AEDC-removed couplers and shim packs; couplers weigh approximately 2,000 lbf. Reconnect hydraulic lines with AEDC engineering assistance.
  - Perform a cold alignment of the full drive system: the electric motor and two compressors in series.
- **Timing and execution requirements:** Complete the work within 15 working days, excluding weekends and holidays. Submit a lift plan five working days before the lift.

### Description

<p>This is a Sources Sought Notice to determine the availability and technical capability of small and large businesses to meet the Government&rsquo;s requirement for&nbsp;emergency structural thread repair and precision mechanical alignment of an Allis Chalmers axial compressor in accordance with (IAW) the Statement of Objectives (SOO)&nbsp;for Arnold Engineering Development Complex (AEDC), Arnold AFB, Tennessee.</p>

<p>Attachment 1 &ndash; PES E-Unit Footer Repair SOO.&nbsp;</p>

[View original listing](https://sam.gov/opp/c43944f1be5444d08c7c09a111d2efaa/view)