Micropiles

Trusted Foundation Repair and New Construction from Residential to Heavy Commercial

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Straight Line Construction has successfully installed micropiles on hundreds of projects throughout Colorado, New Mexico, Arizona, West Texas, Wyoming, California,
and Utah.

Micropiles are relatively small diameter, drilled and grouted deep foundations non-displacement elements. Micropiles consist of a composite steel and grout section with a center reinforcing bar inside the grout body. The reinforcing can be either solid bar for open hole or cased micropile applications or hollow bar for simultaneous drilling and grouting methods.
Depending on soil conditions and required loads, micropiles can be installed utilizing open-hole drilling techniques or temporary or permanent casing with solid reinforcing. Where granular soils are encountered micropiles can be installed using simultaneous drilling and grouting with hollow reinforcing where the grout is pumped through the reinforcing as the micropile is advanced to depth. Permanent steel casing can be incorporated into the micropile where needed due to structural loading. Depending on required loading and access, micropiles can be installed with man-portable equipment or large commercial micropile drill rigs.
Depending on the size of the micropile and reinforcing, typical micropile loads range from about 25 to over 400 kips. Larger capacities are achievable with large diameter micropiles. Micropiles can support loads in compression and tension and achieve their load carrying capacity through the skin friction developed between the grout surface and the surrounding soils and rock. A large range of drilling and installation techniques are available for micropile installation, making micropiles suitable for most all soil and rock conditions.
Micropiles can be utilized for new construction applications as well as for remedial repair of structures. Micropiles are uniquely well suited for areas with limited access and low headroom where high load capacity is required and conventional drilled shaft or driven pile installation is not feasible. Micropiles can be installed in areas with as little as 8 feet or less of headroom and some of the smaller drills can traverse through a 3 foot wide door. Larger commercial micropile drills are typically used for new construction applications where access is good.
Some of the advantages of micropiles include:
  • Can carry loads in both tension and compression.
  • Suitable for most all ground conditions.
  • Hollow bar applications eliminate the need for temporary casing in collapsible soils and also provide increased grout permeation and effective micropile diameter, increasing capacity.
  • Minimal vibration during installation.
  • Suitable for limited access and low overhead installation.
  • High load carrying capacity with relatively small diameter as compared to typical drilled shafts.

Serving Arizona, Colorado & New Mexico

Straight Line Construction has successfully installed helical piers on thousands of projects throughout Colorado, New Mexico, Arizona, California, and Wyoming. Straight Line Construction utilizes Ram Jack Helical Piers which carry a current International Code Council (ICC) ESR certification.

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Straight Line Construction

Straight Line Construction has changed a great deal over the last 30+ years in the industry, but one thing remains the same: our commitment to quality and to designing and installing permanent solutions to foundation settlement issues. Beginning with small residential jobs more than 30 years ago when the family-owned company was founded by Tim Davis, Sr., Straight Line Construction today repairs cracking residential and commercial foundations through its Ram Jack product toolkit and designs solutions for large infrastructure and industrial projects. We specialize in matching the right solution to each type of foundation repair issue.

Are you building a new home and want to ensure it has a solid foundation? Or is your house experiencing unwanted sagging or a cracking foundation? Are your walls cracked or your doors and windows sticking? As a bonded, licensed, and fully insured foundation repair company, we are proud to serve Colorado homeowners, builders, and commercial contractors. Our technical certifications enable us to offer the highest quality services and the best American-made, environmentally safe products available for foundation repair. Regardless of how your building is shifting or sinking, we can help you stop it. Our 30 years in the business and our designation as a Ram Jack certified dealer means you get the most technologically savvy solution to fix your foundation.

From the factory to the field, we strive to ensure the quality of our products and workmanship meet the highest industry standards. We work with other vetted professionals in the industry. All of our helical piers, push piers, and mounting brackets are manufactured by Ram Jack in Ada, OK, at an ISO-certified facility with American-made steel. Williams Form Engineering in Golden, CO, manufactures our reinforcing bar for ground anchor systems and shares our commitment to quality control and quality assurance.

About Ram Jack

Ram Jack is a family-owned business that began operations in 1968, in Ada, OK, where we currently source our piers and brackets. Back then, concrete piering was the original repair method used simply because it was the only technology available at the time. Over time, it became evident that concrete piers did not provide long-term stabilization of foundations and only provided a short-term warranty period. To guarantee the highest grade of customer satisfaction, a greater solution needed to be found.

The Ram Jack owners embarked on a research program to develop a foundation repair system to stand the test of time. The U.S. Patent and Trademark Office first issued a patent to Ram Jack for its foundation repair system in 1985. Over the next few years, additional refinements and patents have followed, resulting in the strongest patented system in the industry. Ram Jack driven pilings are ICC-ES recognized (International Construction Code—Evaluation Services). Ram Jack is one of only two ICC-ES recognized foundation repair companies in the industry. Ram Jack’s products meet or exceed code requirements set down by ICC-ES for both commercial and residential properties.

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