Diamond Valley Estates

LOCATION

Auburn, Washington

DESCRIPTION 

On this new 55-acre development, construction will proceed in three phases over the next two years to create 202 new home lots for our client, MainVue Homes.

SCOPE OF WORK 

Our team is responsible for the earthwork and grading on this project. This includes moving over 640,000 cubic yards of on-site material to create 5 new local residential access roads. Additionally, more than 235,000 square feet of retaining walls will be installed along lot lines to maximize lot sizes. As mass grading commences, new utility infrastructure will be introduced, with each utility requiring over a mile of piping to provide permanent city and private services to future homes. To manage stormwater, 4 cast-in-place detention vaults will be constructed on-site, with a combined capacity of nearly 4.5 million gallons.

PROJECT HIGHLIGHTS

• 640,871 cubic yards of cut-to-fill
• 12,103 linear feet of sewer piping
• 10,631 linear feet of storm piping
• 10,680 linear feet of water piping
• Construction of 5 new residential access roads
• Installation of 4 cast-in-place stormwater detention vaults
• Construction of 117,319 square feet of cut rockery retaining walls
• Installation of 118,025 square feet of fill lock and load retaining walls
• Construction of 63,740 square feet of new concrete sidewalk and driveway