NTH Consultants
Contact Us
  • Home
  • Markets
    • Energy Market
    • Industry Market
    • Water Market
    • Transportation
    • Community Development
  • Services
    • Geotechnical Engineering >
      • Geophysical Services
      • Mapping
      • Shoreline Services
      • Civil Site Engineering and Design
      • Construction Materials & Geotechnical Testing Services
      • Electric Substation Services
      • Geotechnical Engineering for Transportation Facilities
      • Underground Engineering Services
      • Subsurface Utility
      • Signature Projects
    • Environmental Services >
      • PFAS
      • Ecological Services
      • Environmental Health Services
      • Environmental Remediation Services
      • Environmental Compliance
      • Environmental Permitting
      • Environmental Site Assessments
      • Ecological Services for the Energy Market
      • Air Quality Permitting and Compliance
      • Brownfield Site Redevelopment
      • Environmental, Health & Safety Training for Employee Development
      • Hydrogeologic Studies
      • Landfill Related Services
      • Site Acquisition and Redevelopment
      • Storage Tank Services
      • Signature Projects
    • Facilities Engineering >
      • Decommissioning
      • Structural Condition Assessment Rehab
      • Bridge Engineering Services
      • Asset Management Services
      • Concrete Restoration
      • GIS Services
      • Masonry Evaluation Services
      • Pavement Engineering and Consulting
      • Roofing Technology Services
      • Structural Condition Assessment
      • Signature Projects
  • Projects
  • About Us
    • Mission + Core Values
    • Leadership
    • News and Events
    • Employee Portal
  • Webinars
    • Emergency Actions Plans Webinar
  • Careers
    • Why Join NTH
    • Who We Are
    • Career Opportunities
    • NTH Internship Program
  • Blog
  • Contact Us
Back to Signature Projects
Picture
Client:
Cleveland – Cuyahoga County Port
Authority


Location:
Cleveland, Ohio


Prime Consultant:
Parson Brinkerhoff


NTH Project Budget:
$75,000


Start Date:
2011


Completion Date:
2013

Flats East Bulkhead

Geotechnical Investigation for Seawall Rehabilitation

The NTH Cleveland office provided geotechnical and subsurface utility
engineering (SUE) services to the Cleveland - Cuyahoga County Port
Authority, which was replacing the existing east bulkhead along the
Cuyahoga River, between the Norfolk Southern railroad bridge and the
SR-2 viaduct bridge.

NTH and our drilling subcontractor performed seven borings on the land
side and two borings on the river-side of the existing bulkhead. The riverside borings were completed from a specially designed platform cantilevered over the sheet pile facing, with the drill rig supported on land.

In-situ vane shear testing was performed in areas where soft clays were
encountered. NTH also performed consolidation, unconfined compressive strength, and triaxial tests on Shelby tube samples.

PVC pipe was also installed for Length Inductive Test Equipment (LITE) to determine the actual length of the existing battered H-piles used in the
existing bulkhead wall.

As valued-added services to Parson Brinkerhoff, NTH provided SUE using GPR in an attempt to confirm the locations of subsurface utilities found during our site reconnaissance but not shown on the basemap, and also confirmed the battered pile depths and locations installed as deadmen for the new bulkhead.