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Created on Sunday, 20 January 2013 18:59
Last Updated on Monday, 21 January 2013 10:52
Written by Scott Dmytrow
Hits: 479

Marin County was in a bind.  Failing bike and and walking paths at a bad time of year to pave. The solution: Evotherm warm mix asphalt combined with TruPave engineered paving mat.  During the bid process for this project RJ Suokko, Asst Civil Engineer for Marin Public Works, knew that the paving would be during the winter.  He had witnessed Evotherm at work in Golden Gate National Recreation Area during a paving project this summer and thought that it might be the answer to the concerns he had so he included it in the bid.

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The contractor, American Asphalt, touts their use of new technologies on their website where owner Allan Henderson is quoted as saying "Black is the new green" referring to their many environmentally friendly uses and applications of asphalt materials.  Now they can add warm mix asphalt with Evotherm to their retinue of environmentally friendly asphalt technologies.  The use of Evotherm in this project allowed Dutra Materials to reduce the mixing temperatures 30-40 degrees from what their normal HMA mix temperatures would have been in the winter. 

However, before the could place the mix, initial assessment of one of the paths indicated that the subbase was in bad shape and the plan to remove and replace would not work.  So with a minor change order, the County decided to place a 1" level course and Trupave prior to the overlay in an effort to give the path the best chance for success. 

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Following the TruPave paving commenced with a dense grade mix with a PG 64-16 asphalt mixed at a temperature of 280-290°F.  American placed the material, did breakdown of the mix at 225-240°F, intermediate compaction at 180-200°F and finish rolling at 130-150°F.  

Leo, American's paving superintendent was impressed with the workability of the material under the conditions.  With a lot of handwork to be done the mix was workable enough to create smooth mat 95-96% density based on testing by Miller Pacific at the request of the County.  Marl Madayag, Chief of Construction for Marin County Public Works, was also impressed with the way the material performed under the circumstances. 

All in all the project worked out well for everyone.

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Created on Friday, 04 January 2013 11:08
Last Updated on Friday, 04 January 2013 12:04
Written by Scott Dmytrow
Hits: 662

NCHRP Releases Guide to Communicate Value
of Preserving Nation's Highway System

The National Cooperative Highway Research Program released last week a guide that advises state transportation departments how to communicate the value of preserving the nation's highway infrastructure to various stakeholders. The guide, formally titled "NCHRP Report 742: Communicating the Value of Preservation: A Playbook," helps state DOTs better understand and better speak to the reasons to invest in the U.S. highway system. The publication aims to help transportation agency staff influence leadership, elected officials, and the general public to remember why resources are vital to keeping highway infrastructure well-maintained.

More specifically, the document seeks to help state DOTs show that preservation matters by putting it in the minds of its stakeholders, get preservation recognized as something that should be a priority, create a network of supporters who also believe preservation is a major priority and that can help state DOTs reach their goals, and create a call to action through rallying supporters to advocate on behalf of preservation.

The guide stresses the importance of highway preservation, which the report defined as "encompassing work to extend the life of existing facilities (and associated hardware and equipment) and to repair damage that impedes mobility or safety. The purpose of system preservation is to retain the existing value of an asset and its ability to perform as designed. Preservation counters the wear and tear of physical infrastructure that occurs over time due to traffic loading, climate, crashes, and aging. It is accomplished through both capital projects and maintenance actions."

"This document is written as a guide that agency staff can use in formulating an effective strategy for communicating the importance of highway maintenance and preservation, applying criteria and methods for evaluating the effectiveness of a campaign strategy, and adjusting a strategy if necessary to ensure its effectiveness," the report states. "Applying the methods and examples presented in the guide can help an agency's stakeholders to understand the scope, scale, and urgency of their highway system's preservation and maintenance needs."

The 197-page guide is available in PDF form at bit.ly/NCHRPcommvalue. ​​​

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Created on Monday, 10 December 2012 15:13
Last Updated on Tuesday, 23 April 2013 16:05
Written by Cesar Lara
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Daniel Townsend, landscape designer and grounds maintenance supervisor for Far Niente Winery in Napa Valley lives on State Route 128 where Windsor Fuel Company (WFC), a Telfer Company, installed a bonded wearing course (BWC) for Caltrans. Far Niente main picture"I saw the process on SR 128 near Sage Canyon and realized it would be great for Far Niente due to the speed of application and the quick return to traffic", Daniel said. "In addition, it seemed like the cars were floating in air they were so quiet."  Daniel contacted WFC and General Manager Karl Meyers went out and assessed the current roadway condition and the possibility of installing a BWC. Karl thought the fit was perfect, albeit tricky due to the intricacies of the winery.

Far Niente needed a process that would compliment the beauty of their grounds and gates and still allow them to get their many private parties in and out without delays.   The ability to have traffic back on the new mat in 20 minutes or less was a must for Daniel and Far Niente.

Trevor Dormire, WFC Superintendent, delivered the project just the way Karl and Daniel drew it up on paper. From the winery tasting room and parking lot, to the breath taking wrought iron gates to the property, the Roadtec spray paver and Shuttlebuggy, run by the WFC crew, delivered a perfect mat without disturbing the granite edging stones that delineate the roadway from the garden like grounds or the customers that came and went.  The process also allows the many incredible collector cars housed in the Far Niente Museum to hum along smoothly. 

The fast pace of application along with a the world class level of workmanship offered by the WFC crew created a successful project that will preserve Far Niente’s roads for a long time to come. Daniel’s final comment is “We are very happy with the finished product and would recommend Windsor Fuel and BWC to others."

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Created on Wednesday, 20 March 2013 14:12
Last Updated on Wednesday, 20 March 2013 14:12
Written by Scott Dmytrow
Hits: 167

1Telfer Oil Company (TOC) dba Windsor Fuel Company (WFC) has just announced the start-up of a new slurry and microsurfacing division under the tutelage of Steve Olsen and Rich Burge.  The slurry division will be aligned under the WFC Public Works Division managed by Mike Fain.  General Manager of WFC, Karl Meyers, welcomes Steve and Rich and their many years of experience.  "This adds a valuable tool to our toolbox for both WFC and our customers" says Mike Telfer, owner.  "We have been looking forward to the addition of a slurry and microsurfacing division for many years and the timing is right". 

WFC purchased  three well maintained and very lightly used Roadsavers for this venture and are ready to go to work immediately.  If you are a private property owner, commercial property owner or manager, or public works agency looking for slurry seal or microsurfacing done with quality and pride, look no further than WFC.  Steve and Rich bring years of expertise with them and combined with WFC's already high quality standard you have to look no further.  Click here to read an introductory letter that contains all necessary contact information for you to have WFC doing work for you tomorrow. 

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