市政基础设施检查 16 项
Crash Cushion / Impact Attenuator Inspection
此检查清单为英文版。
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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