Archived Hardware Eligibility Letters – NCHRP 350
These letters are archived and are posted for "historical and research purposes only" per the sunset dates in the AASHTO/FHWA Joint Implementation Agreement and exceptions to these dates as posted on the AASHTO Committee on Design website.
| Letter | Date Sort ascending | Testing | Manufacturer | Hardware Type | Device Description |
|---|---|---|---|---|---|
| LS-34 | NCHRP 350 | Millerbernd Manufacturing | Luminaire Supports | Progressive Shear Bases 40C63 and 40C49 on stainless, high carbon, and CORTEN A poles | |
| LS-32 | NCHRP 350 | Hapco Division | Luminaire Supports | Cast Al.Shoe Bases TP3405 & TP3406, 9&12" BC | |
| LS-31 | NCHRP 350 | Syro Steel | Luminaire Supports | ADD. Breakaway Timber Utility Pole (Four-bolt slip base) | |
| LS-29 | NCHRP 350 | Hapco | Luminaire Supports | Extruded Al.Bases A73089, A73088, 11" & 15" BC | |
| LS-30 | NCHRP 350 | Luminaire Supports | FHWA Breakaway Timber Utility Pole (Operational) (Six-bolt slip base) | ||
| LS-23A | NCHRP 350 | PrecisionForm | Luminaire Supports | Supplement Removes Certain Conditions | |
| LS-27A | NCHRP 350 | Hapco Division | Luminaire Supports | Change in handhole dimensions | |
| LS-28 | NCHRP 350 | Adian Engineering | Luminaire Supports | Adian Breakaway Base for Luminaire Supports Model TB-01, 16" to 17" B | |
| LS-27 | NCHRP 350 | Hapco Division | Luminaire Supports | Breakaway Aluminum Shoe Base, 11" BC | |
| LS-26 | NCHRP 350 | Sherman International | Luminaire Supports | Direct Burial Breakaway Fiberglass Luminaire Supports |