Design-Build

Endesco has been a key team player on most of the mega transportation infrastructure projects in the greater Washington/Baltimore metropolitan areas since the time Design-Build projects were gradually adopted by DOTs as a popular procurement and delivery method for major transportation infrastructure projects.


We have successfully delivered, or are delivering, professional engineering services on the following projects:


Project Name

Owner & Construction Cost

Completion Year

Services Provided by Endesco

Hampton Roads Bridge-Tunnel Expansion Project, Cities of Hampton and Norfolk, VA

VDOT

Estimated $3.8B

Design: 2021

Construction: 2025

·   Drainage Design,

·   Hydrology & Hydraulics Analysis,

·   Phased Erosion & Sediment Control,

·   Stormwater Management,

·   Traffic Engineering (lighting warrant analysis, AGI32 photometric analysis, roadway lighting, bridge trestle lighting, bridge underdeck lighting, sign lighting, temporary lighting duration construction)

The Maryland-National Capital Purple Line Light Rail Project in Montgomery and Prince George’s Counties, MD

MDTA/MDOT

Estimated $2.65B

Design: 2020

Construction: 2023

·   Drainage Design,

·   Hydrology & Hydraulics Analysis,

·   Phased Erosion & Sediment Control,

·   Stormwater Management,

·   Traffic Engineering (traffic signals, street lighting, pavement marking, traffic signing)

·   Lighting (WMATA station lighting, University of Maryland roadway lighting, maintenance yard lighting, school parking lot lighting, landscape lighting)

Chesapeake Bay Bridge and Tunnel Project, Virginia Beach, VA

VDOT

Estimated $756M

Construction: 2024

·   Structure review

Route 7 and Battlefield Parkway Interchange, Loudoun County, VA

VDOT

Estimated $66M

Design: 2020

Construction: 2021

·   Drainage Design,

·   Erosion & Sediment Control Plans,

·   Hydrology & Hydraulics Analysis,

·   Stormwater Management

Transform 66 P3 Project, Northern Virginia

VDOT

Estimated $3.7B

Design: 2020

Construction: 2023

·   Drainage Design,

·   Erosion & Sediment Control Plans,

·   Hydrology & Hydraulics Analysis,

·   Scour Analysis,

·   Stormwater Management,

·   Traffic Engineering 

St. Elizabeth’s East Campus Parking Lots, Washington, DC

DC DGS

Estimated $11M

Design: 2018

Construction: 2019

·   Stormwater management

·   Drainage Design

·   Erosion and Sediment Control.

·   Grading Design

St. Elizabeth’s Hospital’s Development (Phase 1), Washington D.C.

DC DGS

Estimated $1.9B

Design: 2017

·   Streetlighting Design

Washington Metro Silver Line/Dulles Metrorail Phase II, Northern Virginia

MWAA (following VDOT guidelines)

$1.3B

Design: 2017

Construction: 2021

·   Drainage Design,

·   Erosion & Sediment Control Plans,

·   Hydrology & Hydraulics Analysis,

·   Permitting Services,

·   Stormwater Management

I-95 Express Lanes in Northern Virginia

VDOT

$922M

Design: 2013

Construction: 2015

·   Drainage Design,

·   Erosion & Sediment Control Plans,

·   Hydrology & Hydraulics Analysis,

·   Post Design Services,

·   Stormwater Management

I-395 HOV Ramp at Seminary Road with I-395 NB Auxiliary lane Extension, Northern VA

VDOT

$55M

Design: 2013

Construction: 2015

·   Drainage Design,

·   Erosion & Sediment Control Plans,

·   Hydrology & Hydraulics Analysis,

·   Stormwater Management,

·   Post Design Services.

I-64/ Route 15 (Zion Crossroads) Interchange Improvement, Louisa County, VA

VDOT

$6.9M

Design: 2013

Construction: 2014

·   Drainage Design,

·   Erosion & Sediment Control Plans,

·   Hydrology & Hydraulics Analysis,

·   Stormwater Management,

·   Post Design Services.

Intercounty Connector Contracts “B”, Montgomery Co., MD

MTA/MDSHA

$560 M

Design: 2013

Construction: 2016

·   Drainage Design,

·   Permitting,

·   Phased Erosion & Sediment Control,

·   Stormwater Management,

·   Stream Diversion,

·   Post Design Services

Intercounty Connector Contracts “A”, Montgomery Co., MD

MTA/MDSHA

$478M

Design: 2011

Construction: 2012

·   Drainage Design,

·   Permitting,

·   Phased Erosion & Sediment Control,

·   Stormwater Management,

·   Stream Diversion,

·   Post Design Services

I-895, From: 4.31 km East of Chesterfield/Henrico County Line To: I-295, Henrico Co. VA (Design/Build)

VDOT

$314M

Design: 2001

Construction: 2003

·   Drainage Design,

·   Erosion & Sediment Control,

·   Hydrology & Hydraulics Analysis,

·   Stormwater Management