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projects

Utah Army National Guard’s 19th Special Forces Facility

Utah Army National Guard’s 19th Special Forces Facility

This facility was built for the Utah Army National Guard’s 19th Special Forces. This project consists of approximately 20+ acres and over 80 feet of vertical drop from one side of the property to the other. Creative design techniques for grading and drainage were used to help maximize the usability of this property in order to provide the required 140,123 square feet building and other necessary improvements to be placed on this site in an effective way while allowing for safety, security and sustainability with low impact on the property.

Seasons on Skyline

Seasons on Skyline

The Seasons on Skyline residential project covers roughly 10.4 acres in South Ogden, Utah. This project included seven apartment buildings, forty townhomes, a club house, and several amenities. There is roughly 12’ of fall from east to west and south to north. One of the challenges with this project was designing the storm water system and infrastructure while connecting the finish grade into the existing grade around the property. Due to high elevation of the existing storm drain inlet box to the west, it was not possible to drain all of the storm water into the existing infrastructure via gravity. The northern portion of the property was designed to retain the storm water below ground with sumps that percolate the water back into the ground. Pickle ball courts we constructed in the bottom of the largest retention pond as an economic decision to utilize the landscaping to it fullest potential.

World’s Largest Tunnel Carwash

World’s Largest Tunnel Carwash

This project is the world’s longest tunnel carwash. The original design had to be squeezed to fit with the addition of a right-turn lane that was required by UDOT. Due to this reduction in length and the grades required for the carwash, retaining walls were required on both ends of the carwash. This created a challenge with capturing all the site storm water with the same highwater mark for all ponds. The original site had silty clay soil with some areas of non-engineered silty clay fills. Due to this the minimal infiltration protentional, the detention has limited ability to recharge the ground water requiring a system that could contain all of the required storm water. Both above ground and below ground stormwater detention were used to contain the water with a tiered release system.

Wild Goose Estates

Wild Goose Estates

This is a single family residential 7 lot subdivision in Sandy, Utah. The project was a low impact development (LID) project with a private street and storm drainage system that minimizes the impact of storm drain into the public system. The private road sloped to the west, which allowed the storm water to drain into a swale and percolate into the soil or be detained in a storm water detention pond at the southwest corner of the property. Photos attached to last email from Suzy,dated, 9:54 am today

Canyon Slope Square

This was the most challenging project that I have worked on in my career…[the] team at Benchmark Engineering did a magnificent job of satisfying all of these issues to make a beautiful project.

– Kevin L. Ludlow

The Canyon Slope Square project in Holladay, Utah is a commercial development including a Hyatt Place Hotel, retail shops and multiple restaurants. Formally owned by the US Forest Service, the property did not generate any tax revenue. Now the property generates over $400,000 of tax revenue to Granite School District, the city of Holladay, and Salt Lake County per year combined.

The various challenges for this project included:

  • Relocating and burying an open drainage ditch (Heughs Canyon Drainage) exceeding 300 feet in length.
  • Installing new water mains around an existing sewer main that could not be moved.
  • Designing the finished grades on the retaining walls for expanded and tiered parking.
  • Designing a new “in and out” road access for the development that sits on a constant five to six percent slope (approx. 80 feet of drop on the site).
  • Removing an existing water easement from a vacated water main.
  • Designing a looped water main large enough for fire flow with high velocities due to the slopes.

Formally owned by the US Forest Service, the property did not generate any tax revenue. Now the property generates over $400,000 of tax revenue to Granite School District (benefiting the children), the city of Holladay, and Salt Lake County per year combined.

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3090 East 6200 South, Holladay, Utah

Best management practices were used for the civil engineering of site including pollutant control for storm water (two sand/oil separators), low maintenance landscaping, and grading of the site to minimize debris/pollutants/etc. from entering public streets and adjoining properties.

Wasatch Pointe Apartments

Senior Housing

The project consisted of a club house, pool, putting green, deck and spa with 99 living units for seniors. The project was on 3.53 acres and the living area building is 33,668 square feet.

Owner’s services included:

  • Surveying property
  • Creation and approval of subdivision plat
  • Site Design of development
  • Coordination with local officials for permitting of sewer, water, storm drain and site plans.
  • SWPPP plans
  • Construction coordination and site observation

Enclave Subdivision

31 Lot Subdivision

The project is a 31 lot subdivision. The project is a gated community PUD. All of the infrastructure has been completed and 11 of the 25 homes have been completed and all but 3 of the lots have been sold. The project is located on 6.6 acres with an average lot size of 7000 square feet and a buildable home area(including garage) of 4000 square feet (ground floor only). The largest lot accommodates an existing home that was on the property. The project includes a playground and clubhouse with a pool.

Owner’s services included and will include:

  • Surveying property
  • Creation and approval of subdivision plat
  • Site Design of development
  • Coordination with local officials for permitting of sewer, water, storm drain and site plans.
  • SWPPP plans
  • Construction coordination and site observation
  • Construction surveying

Crescent Heights

55+ Senior Community

The project has been phased. Each building was built as a phase. 5 buildings have been completed with 68 condominiums. The Senior 55+ condos were built started being built in 2005. The original design had 3 additional phases plan but Phase 6 has changed to an assisted living building that will have 103 living spaces. The project is located on 6.5 acres and the living area for the previously built buildings is 36,515 square feet (ground floor only) and for the new assisted living facility is 52,930 square feet (ground floor only).

Since this has been a long term project there is no cost per unit. The current price for the condos ranges between $165,000 and $205,000. There is no cost estimate on the assisted living project as it is still under development.

Owner’s services included and will include:

  • Surveying property
  • Creation and approval of subdivision plat
  • Site Design of development
  • Coordination with local officials for permitting of sewer, water, storm drain and site plans.
  • SWPPP plans
  • Construction coordination and site observation

Ace Disposal

The ACE Disposal project cost approximately $7.1M.

The architect, Dave Robinson, incorporated many green items into the building, such as radiant floor heating/cooling, sun shades on some of the exterior windows, R32.5 insulation on the roof areas, etc. Also incorporated was recycled concrete for the majority of fill materials used on the project.

Site work included approximately 10,000 feet of 6’ deep trenches with approximately 90,000 feet of tubing for ground heat/cooling source.

CNG fuel for several of their trucks is being incorporated.  The CNG station is sized to accommodate the majority of his fleet in the future.