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Office Locations

Lachel and Schnabel have offices from coast to coast to serve you. For general inquires, contact marketing@lachel.com

Colorado
Debra Auglis
165 South Union Blvd, Suite 670
Lakewood, CO 80228
Phone: 303-279-4321
Fax: 303-279-0414

Georgia
James J. Brady, PE
403 West Ponce de Leon Avenue
Suite 218, Fairview Building
Decatur, GA 30030
Phone: 404-270-9996
Fax: 404-371-0040

Nevada
M. Lee Renegar
1795 South Cottonwood Road
Armargosa Valley, NV 89020
Phone: 775-372-1106
Fax: 775-372-1107

New Jersey
David R. Chapman, PE
PO Box 1059
Morristown, NJ 07962
Phone: 973-734-0200
Fax: 973-734-0055

Pennsylvania
PO Box 18401
Pittsburgh, PA 15236-0401
Phone: 412-207-6677

Texas
George R. Teetes, PhD, PE
17330 Preston Road, Suite 120A
Dallas, TX 75252
Phone: 972-250-3322
Fax: 972-250-3325

Virginia
Mark Claassen, PG, PMP
3701 Pender Drive, Suite 100
Fairfax, VA 22030
Phone: 571-612-5685
Fax: 571-612-5695

Washington
Mark A. Rohrbach, PE, GE, P.ENG.
16300 Christensen Road, Suite 304
Tukwila, WA 98188
Phone: 206-244-3560
Fax: 206-244-3593

In this section

Request Information

I wish to personally thank you for the fine job that you did in inspecting the Crater Lake tunnel and preparing the report. Your past experience with this project ....
David E. Germer – Alaska Industrial Development and Export Authority

It is well recognized that you and your staff provided sound technical advice based on years of experience, continually sought new data to incorporate into field construction decisions and maintained a superior rapport ...
James R. Volz – Corps of Engineers

You and your firm have been very important to the restoration of the (Union Canal) tunnel. We are thrilled with the results....
Lois H. Meily, President – Friends of the Union Canal Tunnel Park

Featured Projects

Onion Creek Wastewater Interceptor

In an effort to relieve aging wastewater infrastructure and eliminate sewage overflows into the surrounding waterways, the City of Austin is constructing a 42-inch wastewater pipeline that will serve as a key element of the planned wastewater infrastructure upgrades for the burgeoning southeast area of Austin. Read more

Humpback Creek

Cordova Electric Cooperative, Inc. operates a 1.25 megawatt (MW) hydroelectric facility located approximately 5 miles north of Cordova, Alaska. In December 2005, a powerhouse fire required the Humpback Creek facility to be taken offline. Read more

Calgary West Light Rail

The Calgary West Light Rail Transit alignment extends eight kilometers west from the current west end of 7th Avenue downtown to 69th Street S.W. and includes six stations. The design-build project includes 1.5 kilometers of elevated guideway structure between Shaw Millennium Park and the Bow Trail / Crowchild Trail interchange. Read more

Austin Clean Water Program

The Austin Clean Water Program (ACWP) was created in 2001 to comply with the U.S. Environmental Protection Agency’s order to eliminate sanitary sewer overflows from the City’s wastewater interceptor system. Read more

Lake Dorothy Hydroelectric

The Lake Dorothy Hydroelectric Project is being developed by Alaska Electric Light and Power (AEL&P) to meet Juneau, Alaska’s growing need for electricity. The project will add a level of reliability to the existing system and will help reduce the need for supplemental diesel generation. Read more

Cal Park Hill Tunnel

The Cal Park Hill Tunnel in Marin County, California is being rehabilitated in order to convert the collapsed historic railroad tunnel into a dual use recreation trail and commuter rail facility. Read more

Port of Miami Tunnel

The $1.6B Port of Miami Tunnel Project is being developed as a Public-Private Partnership (PPP) using the finance-design-build-operate-maintain (DFBOM) or “concessionaire” project delivery model. Read more

Spencer Creek Bridge

The Spencer Creek Bridge Replacement project is one of the first design-build ground improvement contracts awarded in the State of Oregon. The project called for the replacement of the US 101 bridge over Spencer Creek requiring construction of two large bridge abutment embankments over soft liquefiable soils and installation of drilled shafts for the bridge abutment structure. Read more

U230

University Link Light Rail, Contract U230 is a component of the 3.15-mi light rail extension that will connect downtown Seattle with the University of Washington campus. The project includes construction of 0.75 mi of twin tube metro tunnels and associated cross passages, excavation and support of the Capitol Hill Station structure, and excavation of a TBM retrieval shaft at the Pine Street Station. Read more

Plateau Creek Pinpeline Tunnels

Due to inadequate capacity and the need for increased reliability, the Ute Water Conservancy District proposed replacing the existing water supply pipeline from Jerry Creek Reservoir to the Ute Water Treatment Plant near Palisade, Colorado. Read more

BWARI

The Big Walnut Augmentation/Rickenbacker Interceptor was constructed by the City of Columbus, Division of Sewer & Drainage to increase the City’s sewer capacity. Read more

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