In #Idaho, our Biaxial Geogrids was the best choice for meeting the owner's goal of completing the project on schedule.

1. WOLVERINE CREEK WIND FARM
IDAHO FALLS, IDAHO
Application: Haul roads were built for the
construction of Idaho's largest wind farm.
The Challenge:
More than fifty percent of the wind farm's
100 turbines had to be completed by
December 2005. With only a few months
remaining, a solution was needed that would
allow the construction of this project to continue,
in spite of the site's unfavorable soil conditions.
Site Conditions: The ground throughout the site
was dry and silty. These conditions created a
weak foundation for the constant heavy traffic
that would be accessing the location. Without
proper support for the construction equipment
rutting would be inevitable, adding delays to the
already tight development schedule.
Alternative Solutions:
The Solution: A detailed analysis of possible
solutions was performed using SpectraPave2™
Software, Tensar Earth Technologies' innovative
design program. Incorporating Tensar®
Biaxial
(BX) Geogrids was the best choice for meeting
the owner's goal of completing Phase Oneon
schedule. BX1200 Geogrid was recommended
for placement under a ten-inch aggregate layer
to create a stable and strong platform for the
heavily-laden trucks continually accessing the
wind farm site. Using Tensar BX1200 Geogrid
would allow more truck passes, without road
failure and with less aggregate than the original
design had mandated.
CASESTUDYIndividual wind turbines can provide energy for
350-400 area homes.
PROJECT HIGHLIGHTS
Project:
Wolverine Creek Wind Farm
Location:
Idaho Falls, Idaho
Installation:
Fall 2005
Product/System:
Spectra®
Roadway Improvement System
Quantity:
45,000 SY of Tensar BX1200 Geogrid
Owner/Developer:
Invenergy, LLC
Wolverine Creek Energy LLC
Civil Engineer:
Schiess and Associates
General Contractors:
Tennessee Valley Infastructure Group
Eagle Rock Timber Company
S42SUBGRADE IMPROVEMENT
An unreinforced roadway
with significantly thicker aggregate was considered.

2. CASESTUDY
SPECTRA_CS_WLVCRK_11.05
Tensar Earth Technologies, Inc.
5883 Glenridge Drive, Suite 200
Atlanta, GA 30328
800-TENSAR-1
www.tensarcorp.com
For more information on the Spectra System or other Tensar Systems,
call 800-TENSAR-1, e-mail info@tensarcorp.com or visit www.tensarcorp.com.
©2005, Tensar Earth Technologies, Inc. Certain products and/or applications described or illustrated herein are protected under one or more U.S. patents. Other
U.S. patents are pending, and certain foreign patents and patent applications may also exist. Trademarkrights also apply as indicated herein. Final determination
of the suitability of any information or material for the use contemplated, and its manner of use, is the sole responsibility of the user. Printed in the U.S.A.
Authorized Representative:
The Spectra System Advantage: The Spectra
System gave the Wolverine Creek Wind Farm and
its surrounding communities several advantages.
In addition to meeting their deadline, the
integration of Tensar BX Geogrids allowed
construction to continue, despite the traffic's
heavy loads. Due to the eight inch reduction
in the required thickness of the aggregate
layer, savings of over $32,000 were achieved.
This reduction of aggregate also meant less
truck traffic across the site and its surrounding
areas, which resulted in less disturbance to the
environment and to local residents.
Additional Information and Services: Tensar
Earth Technologies, the leader in geosynthetic
soil reinforcement, offers a variety of solutions for
foundation and roadway projects. Our products
and technologies, backed by the most thorough
quality assurance practices, are at the forefront of
the industry. Highly adaptable, cost-effective and
installation-friendly, they provide exceptional,
long-term performance under the most
demanding conditions. Our support services
include site evaluation, design consulting and
site construction assistance.
For innovative solutions to your engineering
challenges, rely on the experience, resources and
expertise that have set the industry standard for
more than two decades.
Tensar BX Geogrids allowed haul roads to support the weight
and frequency of heavy truck traffic.
Site conditions encountered at Wolverine Creek Wind Farm.
SUBGRADE IMPROVEMENT