Play Pause

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

  • 2020 HAPI Photo Contest Results
    2020 HAPI Photo Contest Results
    The Annual HAPI photo contest for our members is over and the results are displayed below. Entries were photos of...
  • UH COE Virtual Career Day
    UH COE Virtual Career Day
    On September 23, the University of Hawaii College of Engineering conducted their first ever virtual Career Day. They reported (click...
  • FHWA rolls out free inspection checklist app
    FHWA rolls out free inspection checklist app
    The Federal Highway Administration (FHWA) created the Everyday Counts (EDC) program to promote ready-to-use strategies for the improvement of the...
View All News

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.

View Guide

Upcoming Events

Nov
4
Wed
11:30 am Paving Equipment – Mat Defects (... @ Zoom Presentation
Paving Equipment – Mat Defects (... @ Zoom Presentation
Nov 4 @ 11:30 am – 12:30 pm
Title: Paving Equipment – Mat Defects Speaker: Todd Mansell, Product Application Specialist, Caterpillar Meeting and exceeding asphalt construction specifications on field projects relies on proper paving equipment maintenance, setup, and operation. This session will focus on what to look for on the paving equipment when you see[...]
Nov
12
Thu
9:00 am Use of Geosynthetics for Asphalt... @ Zoom Presentation
Use of Geosynthetics for Asphalt... @ Zoom Presentation
Nov 12 @ 9:00 am – 11:00 am
Guest Speakers from Tensar: – Lars Nelson and Dennis Rogers This 2-hour workshop will discuss the use of geosynthetics to maximize the life of asphalt concrete pavements through design and construction. Topics may include the following: • Reconstruction/New Construction – Subgrade improvement of reconstruction/new construction pavements •[...]
Nov
18
Wed
11:30 am Introduction to Balanced Mix Des... @ Zoom Presentation
Introduction to Balanced Mix Des... @ Zoom Presentation
Nov 18 @ 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[...]
Dec
2
Wed
11:30 am Smoothness 101 (12/02/20) @ Zoom Presentation
Smoothness 101 (12/02/20) @ Zoom Presentation
Dec 2 @ 11:30 am – 12:30 pm
Title: Smoothness 101 Speaker: Brandon Silva, Vice President, Pavement Management Solutions, Inc. Our HDOT has a smoothness specification for construction of new and resurfacing of existing asphalt paved roads. This session is an introduction to smoothness and will cover: – What is pavement smoothness – What affects[...]
Dec
9
Wed
11:30 am GPR for In-Place Density (12/09/20) @ Zoom Presentation
GPR for In-Place Density (12/09/20) @ Zoom Presentation
Dec 9 @ 11:30 am – 12:30 pm
Title: GPR for In-Place Density Speaker: Dr. Arudi Rajagopal The highway engineering community has been routinely using Ground Penetrating Radar (GPR) for many applications including: mapping type and thickness of pavement layers, detection of subsurface voids and subgrade moisture, deterioration in concrete pavements, rebar corrosion surveys, overlay[...]
Dec
16
Wed
11:30 am Intro to Stone Matrix Asphalt (1... @ Zoom Presentation
Intro to Stone Matrix Asphalt (1... @ Zoom Presentation
Dec 16 @ 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[...]
View All Events

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
Contact Form

Asphalt Pavement Guide

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

Join our Mailing List

Email Address: *

First Name: *

Last Name:

   * required