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Welcome to the Hawaii Asphalt Paving Industry

The Hawaii Asphalt Paving Industry (HAPI) represents asphalt pavement producers and laydown contractors in the State of Hawai'i as well as industries related to pavement preservation. Formed in 1989, HAPI's purpose is to provide engineering promotion and education to advance the continuing use of asphalt pavement and pavement treatments throughout the State of Hawai’i. Learn More

HAPI News

  • HAPI Lunch Meeting – January 2023
    HAPI Lunch Meeting – January 2023
    About thirty-five members and invited guests attended our lunch meeting on January 20 at the Pearl Country Club.  The meeting...
  • 2023 HAPI Scholarship Recipients
    2023 HAPI Scholarship Recipients
    The goal of our scholarship is to assist college students pursing a degree in civil engineering, construction management, construction engineering,...
  • 2023 Castle High School Career Day
    2023 Castle High School Career Day
    On January 27, Castle High School conducted their inaugural career day. About 300 students from their Innovation Academy had the...
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HAPI Asphalt Pavement Guide


The HAPI Asphalt Pavement Guide is an informational resource on asphalt pavements and pavement treatments. It contains a general overview of all aspects asphalt pavement and pavement treatments, and in-depth information on recommendations and practices for Hawai’i. It is intended to assist those who work with asphalt pavements and pavement treatments, including architects, engineers, contactors, students and homeowners.

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Upcoming Events

Mar
29
Wed
8:00 am 2023 HAPI Annual Paving Conferen... @ virtual
2023 HAPI Annual Paving Conferen... @ virtual
Mar 29 @ 8:00 am – 1:00 pm
Click here to register. Registration Fee: – $0 Government Agencies Employees (Sponsored by LTAP) – $30 HAPI Members – $35 For all others Topic: Overview of Slurry Seal and Micro Surfacing Speaker: Adriana Vargas-Nordcbeck, Associate Research Professor, NCAT Topic: Introduction to Perpetual Pavements Speaker: Bob Humer, Senior[...]
Apr
5
Wed
11:30 am Pavement Distress (04/05/23) @ Zoom Presentation
Pavement Distress (04/05/23) @ Zoom Presentation
Apr 5 @ 11:30 am – 12:30 pm
Title: Pavement Distresses Speaker: Mike Huner, Engineering Consultant, Huner Consulting, LLC This session will discuss the FHWA’s LTPP Distress Identification Manual. Attendees will learn the definitions/descriptions, severity levels, and how to measure the various distresses. It is not always possible to identify the causes of the distress[...]
Apr
12
Wed
11:30 am Intro to Stone Matrix Asphalt (0... @ Zoom Presentation
Intro to Stone Matrix Asphalt (0... @ Zoom Presentation
Apr 12 @ 11:30 am – 12:30 pm
Title: Intro to Stone Matrix Asphalt (SMA) Speakers: Jon M. Young, Hawaii Asphalt Paving Industry This session will introduce Stone Matrix Asphalt (SMA). SMA is a gap-graded hot mix asphalt (HMA) originally developed in Europe to maximize rutting resistance and durability. The mix design goal is to create stone-on-stone[...]
Apr
19
Wed
11:30 am Introduction to Balanced Mix Des... @ Zoom Presentation
Introduction to Balanced Mix Des... @ Zoom Presentation
Apr 19 @ 11:30 am – 12:30 pm
Title: Intro to Balanced Mix Design Speaker: Jon M. Young, Hawaii Asphalt Pavement Industry Balanced Mix Design (BMD) is coming soon to Hawaii. Working together, HDOT and HAPI, moving forward with the implementation. BMD is an enhanced approach to designing asphalt paving mixtures to achieve a satisfactory balance between[...]
May
10
Wed
11:30 am Intro to Oscillatory Compaction ... @ Zoom Presentation
Intro to Oscillatory Compaction ... @ Zoom Presentation
May 10 @ 11:30 am – 12:30 pm
Title: Intro to Oscillatory Compaction Speaker: Bradley Belvin, Sales & Marketing Manager, SAKAI In this presentation you will learn about oscillatory compaction. Oscillatory rollers help improve productivity and create a smoother finish on challenging mixes. Oscillation works by using exciters to move the drum back and forward,[...]
May
19
Fri
11:00 am Talk Story with Rob Rosson @ HAPI Office
Talk Story with Rob Rosson @ HAPI Office
May 19 @ 11:00 am – 1:00 pm
Please join us for a FREE bento lunch and Talk Story with Rob Rosson who is the Sales Director for HAPI member Lakeside Industries’ EZ Street Asphalt cold patch product line. Rob will be visiting the islands from  Issaquah, WA. Rob will be discussing how potholes are[...]
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Facts & Videos

Contact Us

Hawaii Asphalt Paving Industry
1287 Kalani Street, Suite 202
Honolulu, HI 96817
Tel: 808.847.HAPI (4274)
Email: jon@hawaiiasphalt.org
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Asphalt Pavement Guide

An interactive guide to everything about asphalt pavements and pavement treatments including local Hawai’i guidance, procedures and designs.
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