ICPI Interlock Design Issue 3 2018

FEATURES DEPARTMENTS The acceptance of advertising in Interlock Design magazine does not constitute or imply the endorsement or recommendation by ICPI or its members, staff, editors or the publishers of any product or service mentioned, referenced or advertised in the publication. ICPI accepts no responsibility for any claims made in any advertisement. ICPI further reserves the right to refuse to accept any advertisement. SUMMER 2018 ® esign interloc ICPI Webinar Seminars Register at: www.icpi.org/view/events DESIGN AMY LISS amy@llmpubs.com | 503-445-2238 ISSN 1087-9862 EXECUTIVE DIRECTOR: Charles McGrath, CAE PUBLISHING DIRECTOR: Dennis Smith EDITORIAL DIRECTOR: David R. Smith CONTRIBUTING EDITOR: Robert Bowers, P.Eng. DESIGNER: Amy Liss Canada Post Agreement No. 41567031 ©2018 Interlocking Concrete Pavement Institute. Visit our website at www.icpi.org . 14801 Murdock Street, Suite 230 Chantilly, VA 20151 Tel 703.657.6900 Fax 703.657.6901 Email icpi@icpi.org ICPI Canada P.O. Box 1150 Uxbridge, ON L9P 1N4 Canada SUBSCRIPTION AND MEMBERSHIP: Qualified design professionals can receive a complimentary subscription — email us at icpi@icpi.org . For further information about this publication or about membership in ICPI, write to the appropriate address, call 703.657.6900 or fax 703.657.6901 . Send story submissions for consideration to dsmith@icpi.org . Manage your subscription at www.icpi.org . Interlock Design is published quarterly by the members of the Interlocking Concrete Pavement Institute (ICPI) for producers, suppliers, contractors, specifiers and users of interlocking concrete pavements. The opinions expressed in Interlock Design articles are those of the authors and do not necessarily represent the position of the editor or ICPI. ADVERTISING DAN HARTZOG danH@llmpubs.com | 503-445-2229 PAUL VOLLMER paul@llmpubs.com | 503-445-2222 ® 02 INTERLOCKUTOR MISSIONARY WORK 15 ENGINEER’S VIEW FASTER EDGE RESTRAINTS FOR PERMEABLE PAVEMENT 21 KNOWLEDGE BASE ICPI LAUNCHES FREE CONCRETE PAVER CONTINUING EDUCATION COURSES FOR DESIGNERS 23 ASTM REFINES THE SEGMENTAL CONCRETE PAVING SLAB STANDARD 25 ICPI DELIVERS LEADING TECHNICAL AND EDUCATION RESOURCES FOR DESIGNERS 28 MAIN EVENTS 09 MAINTAINING LONG-TERM SUCCESS WITH INTERLOCKING CONCRETE PAVERS contents the Photo Credit: Belgard 5 High-sloped paver of streets entering Colma’s residential neighborhood have performed well for the past 20 years under vehicular traffic. 05 COLMA STREETS TAKE THE LONG ROAD TO PERFORMANCE