We are thankful for

Our 2024 Golf Tournament Sponsors

15070 Proctor Ave., City of Industry, CA 91746
(626) 333-9942 p (626) 855-4811 f
9040 Carroll Way, Suite 1, San Diego, CA 92121
(858) 437-0112 p (858) 437-0117 f
www.elmcoduddy.com Email: ayardley@elmcoduddy.com
Anne Yardley Caldwell
Elmco Duddy
2740 Palisades Drive * Corona * 92882 *
Serving the Building Trade Since 1962
13630 San Antonio Drive, Norwalk, California 90650
Tel 562-364-7430
San Diego 619-233-1716 | Las Vegas 702-388-7300
www.weilaquatronics.com info@weilaquatronics.com
welcome to the Aspe la chapter website!

Professional Growth and Development

The American Society of Plumbing Engineers (ASPE) is the international organization for professionals skilled in the design, specification, inspection and manufacture of plumbing systems. ASPE is dedicated to the advancement of the science of plumbing engineering, to the professional growth and advancement of its members, and to the health, welfare and safety of the public. 

Recent articles posted by our board of directors

Our Latest  Articles

Every month our board of directors post updates, articles, and event information on our site. Check out some of our latest articles and posts below.

Membership Report

 Robert Galaviz, CPDMembershipJune 2024  Dear ASPE Los Angeles Members, With my term as VP of Membership coming to a close,…

President's Report

Thura ZinPresident June 2024 Last month, we had a joint meeting with the LADWP (Los Angeles – Department of Water…

ASPE Membership Value

When you join ASPE, you become part of a worldwide family of plumbing engineering and design professionals and gain immediate access to their combined technical knowledge and industry support. ASPE members are leaders in the plumbing engineering industry, and joining their ranks offers invaluable networking and career-advancement opportunities. Our members benefit from ASPE’s international exposure, and our involvement in national and local legislative initiatives helps strongly convey the important role of plumbing engineers and designers in the construction industry.

In addition to sharing professional knowledge, ASPE members also like to have fun. Local ASPE Chapters and special-interest groups such as ASPE Young Professionals and Women of ASPE host social networking events throughout the year. With more than 6,300 ASPE members, a fellow professional is never far away.

ASPE Los Angeles

Board of Directors

Los Angeles Chapter
American Society of Plumbing Engineers
Officers – Board of Directors

Thura Zin, CPD, GPD


Vahan Margaryan CPD, GPD

Vice President - Technical
Vahan headshot

Vivian Enriquez

Vice President - Legislative

Robert Galaviz, CPD

Vice President - Membership
Robert_G-ASPE Photo

Edgar N. Ochoa


Hal W. Alvord CPD, GPD

Administrative Secretary
Hal headshot_square

Jeff Atlas

Corresponding Secretary
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Theresa Michelle Siri G.E.

AYP Liaison

John Zagorski

Chapter Affiliate Liaison
John headshot_square

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