About UCA

Inspiring Tunneling Professionals Worldwide

We Build Beneath

The Underground Construction Association, a Division of SME (UCA) provides technical resources, professional development, and networking opportunities to engineers and related professionals in the tunneling and underground construction industries.

Diversity Statement

In principle and in practice, UCA and all its leadership value and seek diverse and inclusive participation within the tunneling and underground construction community. UCA promotes involvement and expanded access to leadership opportunity regardless of race, ethnicity, gender, religion, age, sexual orientation, nationality, or disability.

The purpose of UCA is to be the multidisciplinary exploration of all professional concerns, which promotes the wise and effective development and use of underground space, including the development of general public awareness of the potential of this important resource. View our Bylaws. Learn more about Us.

Strategic Goals and Plan
The UCA Executive Committee is seeking member volunteers to assist with the development of our strategic goals. Strategic Goals
The mission of the UCA is to promote the responsible development and use of underground space and facilities. Strategic Plan

Diversity Statement

In principle and in practice, UCA and all its leadership value and seek diverse and inclusive participation within the tunneling and underground construction community. UCA promotes involvement and expanded access to leadership opportunity regardless of race, ethnicity, gender, religion, age, sexual orientation, nationality, or disability.

The purpose of UCA is to be the multidisciplinary exploration of all professional concerns, which promotes the wise and effective development and use of underground space, including the development of general public awareness of the potential of this important resource. View our Bylaws. Learn more about Us.

Strategic Goals and Plan
The UCA Executive Committee is seeking member volunteers to assist with the development of our strategic goals. Strategic Goals
The mission of the UCA is to promote the responsible development and use of underground space and facilities. Strategic Plan

A message from our Chairperson

UCA promotes the professional competency and good practices in all professions involved in all aspects of the development and use of underground space and related facilities.

Our Board of Directors

A Truly Global Society for Mining, Tunneling, and Underground Construction

A Truly Global Society for Mining, Tunneling, and Underground Construction

Global Headquarters

Society for Mining, Metallurgy, and Exploration

12999 E. Adam Aircraft Circle

Englewood, CO 80112

Toll Free: 1-800-958-1550 (U.S. Only)

Main Number: 1-303-948-4200

Society for Mining, Metallurgy & Exploration Inc. EnginZone SAC

Monterosa 233 – 402

Chacarilla del Estanque

Santiago de Surco 15038, Peru

Phone: +51 1 2055511