Resurfacing & ADA Improvements
Montgomery and Prince George’s Counties, MD

Sabra & Associates, Inc. (SAI) provided highway, drainage and traffic engineering design services for this safety improvement from the conceptual stage to construction documents and provided design support during construction. The project included:

 

    • Roadway Design
    • Hydrology and Hydraulics
    • Traffic Engineering

 

  • Field measured existing slopes and widths of all pedestrian ramps, sidewalks and driveways, to determine ADA compliance
  • Prepared design plans and details to upgrade the design and location of pedestrian ramps, sidewalks, and driveways
  • Provided design and specification of detectable warning surfaces
  • Designed cut-through ramps within intersection islands and medians
  • Designed signing and marking plans to replace damaged/faded signs and improve guidance and warning
  • Investigated fire hydrants and utility poles within sidewalks that conflicted with the design guidelines
  • Prepared ADA waiver applications
  • Prepared roadway construction bid documents for milling and resurfacing
  • Investigated and prepared design for upgrading existing storm drain pipes, inlets and manholes,
  • Prepared erosion and sediment control and stormwater management design.

All design was performed to meet the latest ADA design guidelines, MD SHA design criteria, “SHA Accessibility Policy & Guidelines for Pedestrian Facilities along State Highways dated December 2005” and “Americans with Disabilities Act Accessibility Guidelines (ADAAG).”

Headquarters
Columbia Maryland

7055 Samuel Morse Drive
Suite 100
Columbia, MD 21046
Phone: 443-741-3500
Fax: 443-741-3700

Baltimore Maryland
1502 Joh Avenue
Suite 100
Baltimore, MD 21227

Phone: 410-536-3653
Fax: 410-536-3654

Washington, D.C.

100 M Street SE
Suite 550
Washington, DC 20003

Phone: 202-570-7080
Fax: 202-697-5007

Vienna, Virginia

8150 Leesburg Pike
Suite 630
Vienna, VA 22182

Phone: 703-942-8990

AASHTO

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