Millstone Manor, an apartment complex located right next to the Ogden River at the base of the Wasatch Mountains, had been having difficulty stabilizing their parking areas for years. Due to its proximity to a water source and resulting soil types, the CBR value was very low, causing instability. After many attempts at fixing the problem, Millstone Manor decided to do a full reconstruction of the entire area - approximately 7500 square yards.
Owner: Millstone Manor
Contractor: Post Asphalt
Completion Date: June 2016
The main challenge was shallow utilities. With only eight inches to work with for the subbase, the contractor would not be able to get down low enough to add rock to stabilize the area without either incorporating geosynthetics or moving the utilities.
Nilex ran the manufacturer’s proprietary road design software program to determine which products would work best for the client and their site challenges. Nilex presented the client with two options. The first option was a nonwoven geotextile coupled with a Type 2 BX geogrid which would result in laying two different products of varying widths. The second (and successful option) was to use a single layer of High Strength Woven geotextile (Mirafi RS380i) over the entire project, saving a few inches of subgrade along with it.
Once the old asphalt was removed, the installation of the geosynthetic fabric was very quick and easy, taking a crew of eight men five days to complete. Nilex was onsite to train the contractor’s crew on the proper installation of the Mirafi High Strength Woven geotextile.
The client was able to stabilize the soil under the entire parking area using a High Strength Woven geotextile. In addition, they saved time and money by not having to deal with the onsite utilities and labor of digging down further than required.
Nilex is committed to unearthing better results. Whether it’s for a civil, resource or environmental project, we offer the latest engineered and technically superior materials and techniques to save our customers time and money, and minimize the need to move or remove earth, and reduce the need for granular materials.
With over 35 years experience, a long-standing commitment to the environment and highly qualified staff, Nilex delivers the products and technologies that give clients an economic advantage with environmental benefit.
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