ENVISION CONSULTANTS, LTD. Representative Rail & Transit Projects

Envision recognizes the important role of well designed and constructed transit and rail systems, and the need to maintain the critical infrastructure that supports them. We provide a range of consulting services for complex rail projects that facilitate well-informed planning and design, ensure adherence to increasingly tight schedules and budgets, enable construction progress, and enhance communication, understanding and collaboration. Our representative experience includes:

Amtrak Port Authority/Port Authority ▪ Exterior Façade Restoration Transit Corporation ▪ 30th Street Station Master Plan ▪ 11th Street Interlocking ▪ Stations Nationwide Renovations (25) ▪ Ben Franklin Bridge 5th Street Tunnel ▪ Design/Build of four Electric Traction Power ▪ Ben Franklin Bridge Masonry Rehab Cables (“H” Cables) ▪ Ben Franklin Bridge South Walkway Bicycle and ▪ Empire Line Westside Pedestrian Ramp ▪ Metuchen Frequency Converter ▪ Ben Franklin Bridge Track Rehabilitation ▪ (Potts & Bailey Interlockings) ▪ Ben Franklin Bridge Transformer Replacement ▪ Lancaster Station Improvements ▪ Betsy Ross Bridge & Commodore Barry Bridge ▪ New Carrollton, MD Station, Design Phase II Air Blown Fiber Optic ▪ New Carrollton, MD Station, New High-Level ▪ Betsy Ross Bridge EZPass Platform ▪ Betsy Ross Bridge Fiber Design Services ▪ Accessibility Improvements ▪ Betsy Ross Bridge Rehabilitation ▪ Baltimore Penn Station Track Improvements ▪ Collingswood Rehabilitation Claim Delay ▪ Various Locations, SOGR Assessments ▪ Commodore Barry Bridge Painting Phase 2 PA ▪ , DC, Master Plan Approach Spans Multiple Phases ▪ Commodore Barry Bridge Rehabilitation ▪ Washington Union Station, DC, Substation 25A ▪ Control Center Relocation Relocation & Catenary Sectionalizing ▪ Express Rail Intermodal Facility Various Projects/Locations ▪ Re-Opening ▪ GEC Task Order Assignment (2013-2015) Charlotte Area Transit System ▪ Gloucester Camden Line Environmental Impact ▪ Blue Line Design Project Statement ▪ South Corridor Construction Project ▪ Maintenance Facilities Space Planning Charlotte, NC ▪ PATCO Elevator ADA Stations Improvements ▪ PATCO Lindenwold Train Hoist, Replacement of Rectifier Transformers and Diesel Generator

Page 1 of 3 ENVISION CONSULTANTS, LTD.

Representative Rail & Transit Projects

▪ PATCO Lindenwold Yard and Viaduct Rehab Metro North Railroad ▪ PATCO Lindenwood Station Enhancement ▪ Harmon Shop Replacement, Phase 5, Stage 1 ▪ PATCO Lindenwood Train Hoist and 2 ▪ PATCO Pole Replacement Project ▪ Harmon Yard Groundwater Remediation ▪ PATCO Shop Annex Building Project ▪ LIRR – Speonk to Montauk Signalization ▪ PATCO Station Painting City Hall Station Improvement ▪ PATCO Substations New Transformer Various Projects/Locations Equipment ▪ PATCO Track Circuit Modification NJ Transit ▪ PATCO Westmont Viaduct Track Improvement ▪ 69th Street Bridge ▪ PATCO Woodcrest Parking Lot Reconstruction ▪ Atlantic City Rail Line ▪ PATCO Platform Design ▪ Camden Transit Shed ▪ Southern Mass Transit Alternatives ▪ Rail Car Improvement Analysis Study ▪ Diesel Electric & Dual-Mode Locomotive Super Various Projects/ Locations Storm Sandy Relief Effort ▪ Dual Power Locomotive Procurement Regional Transportation District ▪ Edison Parking Lot West Corridor Project ▪ Gladstone Pole Replacement Denver, CO ▪ House Power and Henderson Street Substation (CM) Federal Railroad Administration ▪ Lindenwold Rail Yard & Shops Northwest Region Task ▪ Rehabilitation Project Pacific NW Rail Corridor ▪ Long Slip Fill & Rail Enhancement ▪ Mid-line Loop Project Federal Transit Administration ▪ Newark Locomotive AMT Procurement Nationwide Project Management Oversight ▪ Newark-Elizabeth Rail Light Rail (PMO) Contracts ▪ Replacement Design Prime Contract ▪ Positive Train Control ▪ Envision Consultants, Ltd. (2015-2020) ▪ Rail Operations & Infrastructure Plan ▪ Burns Engineering, Inc. (2006-2020) ▪ Bridge Replacement Design ▪ STV, Inc. (2006-2015) ▪ River Line Rail Shed Construction ▪ Hill International (2015-2020) ▪ Superstorm Sandy Recovery Program Various Projects/ Locations Oversight ▪ The Hudson "Tunnel" Project ▪ Transit Comet Cars Diesel Hauled Bi-Level Car Production ▪ Wood Pole Replacement Tokyo, Japan / Yonkers, NY Various Projects/Locations

Maryland Transit Administration (MTA) Regional Transportation District ▪ Baltimore Red Line Program Management ▪ Denver PMO ▪ Light Rail Vehicle Mid-Life Overhaul ▪ Denver West Corridor Project ▪ Metro Heavy Rail Vehicle Procurement ▪ Denver West Corridor Risk Analysis ▪ Metro Railcar and Train Control Replacement Denver, CO ▪ Rolling Stock Procurement Baltimore, MD

Page 2 of 3 ENVISION CONSULTANTS, LTD.

Representative Rail & Transit Projects

San Francisco MTA ▪ Media/Elwyn Line Timber Tie Replacement Central MUNI Subway Tunnel ▪ Midvale Station Roof Replacement San Francisco, CA ▪ Multi-Modal Traction Power Substation at 69th Street Station Southeastern Transportation ▪ Paoli Rail Yard Remediation Authority ▪ Portal Roof Replacement ▪ 13th & Juniper Elevator ▪ R7 Station Improvements ▪ 33rd and Dauphin Bus Loop ▪ Railroad Division Control Center ▪ 5th and Market Independence Hall Station ▪ Secane Railroad Station Project ▪ 69th Street Parking Garage ▪ New Railcar Vehicle Procurement ▪ 69th Street Station West Terminal ▪ Database Conversion Project Rehabilitation and Retaining Wall ▪ Southern Garage Storage Tank ▪ 69th Street Terminal Roof Replacement ▪ Stimulus Master Schedule ▪ 8th Street Concourse Vertical Transportation ▪ Elevator ▪ Suburban Station Ventilation ▪ 8th Street Elevator ▪ Sump Pumps at York, Callowhill, & Arch St. ▪ Allegheny Bus Garage Fire Suppression System ▪ Task Tasker Morris Station ▪ Allegheny Elevator Project ▪ Timber Tie Replacement ▪ Ambler Substation Rehabilitation Project ▪ Parking Lot ▪ Berridge Shop and 2nd & Wyoming Office ▪ Trolley Modernization Station Planning ▪ Bridgeport Viaduct Timber Ties ▪ Upper Darby Transportation Center ▪ Callowhill Bus Garage Roof ▪ VEEC10B-14 Siemens ACS-64 Locomotive ▪ Chestnut Hill Retaining Wall ▪ Wayne Junction Electrical Upgrades ▪ Concourse 2 and 4 Phase 2 Design ▪ Wayne Junction Shop Roof Replacement ▪ Concourse Phase 4 Design ▪ Wayne Junction Substation ▪ Concourse Vertical Transportation 15th & 8th ▪ Woodland Shop Trolley Line Fire Suppression and Market Streets System Replacement ▪ Crum Creek Viaduct Replacement Various Projects/Locations ▪ Dilworth Plaza ▪ Elmwood Car House Roof Replacement Tri-County Metropolitan Transportation District of ▪ Fern Rock Station Modifications Oregon (TriMet) ▪ Fern Rock Yard Improvements Portland - Milwaukee Light Rail Transit PMO ▪ Frankford Bus Garage Portland, OR ▪ Frankford Elevated Line Reconstruction Project Washington Metropolitan Area Transit Authority ▪ Frazer Shop and Yard Expansion Program Management- Capital Improvement ▪ Frazer Yard Pole Replacement Program ▪ Frontier Bus Depot Improvement Project Washington, DC ▪ Garage Lifts Project ▪ Germantown & Wister Station Improvements ▪ Gwynedd Station Rehabilitation ▪ In Ground Lift Replacement Phase 2 ▪ Lawndale Station Improvements ▪ Levittown Intermodal Improvements Project ▪ Locust Street Elevator Improvements ▪ Market-Frankford Line Platform Extension

Page 3 of 3