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Inspection des infrastructures civiles 16 points

Crash Cushion / Impact Attenuator Inspection

Cette liste de contrôle est en anglais.

Field inspection of impact attenuators and crash cushions verifying MASH acceptance, anchorage, component integrity, and reset readiness after impacts.

MASHAASHTO Roadside Design GuideFHWA Eligibility Letters

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Device Identification

  • Attenuator location / asset ID *
  • Date of inspection *
  • Device type (sand barrel array, redirective, non-redirective, gating) *
  • Is the device a MASH-accepted system with a valid FHWA eligibility letter? *

Impact History & Condition

  • Is the device free of recent impact damage requiring reset or replacement? *
  • Are all energy-absorbing cartridges/cells/sand modules present and intact? *
  • Are fender panels, diaphragms, and side panels undamaged and aligned?
  • Number of modules/bays damaged or missing

Anchorage & Backup

  • Is the concrete pad/foundation free of cracking or spalling? *
  • Are all anchor bolts present, tight, and free of corrosion? *
  • Is the backup structure and transition to the shielded hazard properly connected? *
  • Is the monorail/guidance track (if present) straight and unobstructed?

Delineation & Actions

  • Are reflective markers/nose delineation present and visible at night?
  • Is the device free of debris, vegetation, or drainage ponding at its base?
  • Is repair, reset, or full replacement required? *
  • Findings and recommended actions

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