Featured Project: Goose Creek Correctional Center, Mat-Su Borough, Alaska

Project: Goose Creek Correctional Center
Company: DOWL HKM, Civil Engineer Lead
Challenge: DOWL HKM had to coordinate and fit numerous utilities within a relatively small space.
Client: Matanuska-Susitna Borough, Alaska


DOWL HKM provided civil engineering, geotechnical engineering, surveying, wetland evaluation, and permitting services for the construction of the Goose Creek Correctional Center located on Point MacKenzie Road in the Matanuska Susitna Borough of Alaska. The GCCC is a Medium Security prison for 1,536 inmates located 10 miles north of Anchorage in the area across Cook Inlet. The services were provided through a design build contract.

Civil engineering services included evaluation of existing site conditions, site grading and drainage design, water and sewer system design, roadway design, and engineering support during construction.

Site grading and drainage design included the establishment of a finish floor elevations for five separate building, the smallest having a footprint area of approximately 11,000 square feet (SF) and the largest, having an area of approximately 148,000 SF, and the establishment of finish site elevations that accommodated positive drainage away from all five buildings and throughout the 80 acre site.  

The drainage design included a stormwater management system that included grass and gravel swales, over 30 catchbasins and manholes, 18 roof drain services, 6,800 linear feet of storm drain piping, and two sedimentation basins.

The water system included 15 fire hydrants, 3,650 linear feet of 8 inch, 12 inch, and 14 inch water main, and 11 water services.

The sewer system includes 16 manholes, 3,990 linear feet of 8 and 10 inch sewer main, and 12 sewer services.

Construction Cost Building and Site = $219,000,000