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HARRISBURG INTERNATIONAL AIRPORT

ACBs - DRAINAGE IMPROVEMENTS

OWNER: Susquehanna Area Regional Airport Authority

ENGINEER:  Urban Engineers, Inc. (Aviation)

PROJECT TYPE: ACBs - Flood Mitigation

LOCATION: Middletown, PA

DESCRIPTION OF PROJECT:

  • Removal and disposal of all vegetation on the flood dike

  • Demolition and removal of all existing riprap

  • Regrading and compaction of flood dike embankment

  • Placement of articulated concrete block system (ACBs - 1,132,108 SF) including bedding stone (AASHTO #57 - 45,000 TN)

  • Riprap access ways for HIA maintenance equipment

  • Rehabilitation of existing riprap toe (R-5 - 38,000 TN)

  • Repaving the maintenance walkway

  • Other miscellaneous items - erosion control, road maintenance, dust control, traffic control, 24/7 site security

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