Pavement Preservation Journal - Spring 2015 - (Page 12)

Fort Collins HIR Project Provides Delegates with Up-Close Look By Tom Kuennen A ttendees of the 2014 International & Western States In-Place Recycling Conference held August 5-7 in Denver had a unique opportunity to see an actual hot in-place recycling (HIR) project in Fort Collins, Colo., in an up-close and personal manner on the conference field trip. On Wednesday, Aug. 6, all 176 participants - including engineers from 18 state DOTs - boarded three buses bound for Fort Collins to get hands-on experience inspecting an actual single-machine HIR project being performed by Cutler Repaving, Inc. of Lawrence, Kan., on West Stuart Street between South Shields and South Taft. After the HIR demo, field trip participants viewed cold mix recycling of reclaimed asphalt pavement (RAP) by the Coughlin Company, Inc., of St. George, Utah, at a central plant located at a Colorado DOT equipment yard (see preceding article). In the HIR process as executed by the contractor, the single-machine repaver heats and scarifies the existing pavement, applies recycling agent to the resulting RAP, places a leveling course of the 100 percent recycled RAP, and then immediately places a virgin hot mix asphalt overlay, all in one pass. "The HIR process offers us the unique ability to treat roadways that IMAGE CREDITS: TOM KUENNEN While delegates watch, tandem roller compacts recycled and virgin asphalt lifts to rear of hot-in-place repaver 12 View past issues of the Pavement Preservation Journal online at www.naylornetwork.com/fpp-nxt http://www.naylornetwork.com/fpp-nxt

Table of Contents for the Digital Edition of Pavement Preservation Journal - Spring 2015

President’s Message
Hot, Cold In-Place Recycling Gets Boost at Western States Conference
Fort Collins HIR Project Provides Delegates with Up-Close Look
NCAT Reports 2012 Cycle Results, 2015 Preservation Activities
New Congress Means New Push Toward Reauthorization
FP² at TRB
Pavement Preservation in Spotlight at World of Asphalt 2015 in March
Control Potholes by Sealing Cracks, Joints in Advance
‘Thinlay’ Asphalt Overlays Next Word in Pavement Preservation
Texas Considers Ultra-Thin HMA Alternatives to Seal Coats
Thin Overlays Can Preserve Pavements as Well as Reduce Surface Noise
In California, Scrub Seals Gain Favor for Cost, Crack Sealing
IGGA Recognizes Leaders in Grooving, Grinding
Index of Advertisers

Pavement Preservation Journal - Spring 2015

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