Highlands Ranch Metro District > Zone 4C Pump Station

Zone 4C Pump Station and Transmission Pipeline

Open House – July 21

Centennial Water & Sanitation District is building a new pump station, the Zone 4C pump station, and a transmission pipeline. Centennial Water is hosting an open house to share information about the project. The open house will be held Thursday, July 21 from 6 to 8 p.m. at the Highlands Ranch Mansion.

Representatives from the project design team and Centennial Water will be present with information about the project location, building design, relationship to the existing trail and construction schedule.  The open house will provide residents an opportunity to learn about the project and engage staff with questions or feedback.  Residents are encouraged to attend the open house.

Click on the questions below to learn more about the project.

  1. Why does Centennial Water need a new pump station?
  2. Where will the pump station be located?
  3. Where will the transmission pipeline be located?
  4. What is the project schedule?
  5. Will the project impact the use of trails in the open space?
  6. What will the project look like?

1. Why does Centennial Water need a new pump station?

The Zone 4C Pump Station and transmission pipeline are necessary to boost delivery of potable water to pressure zones that serve more than 60 percent of customers within the Highlands Ranch service area in order to meet current day peak demands.

2. Where will the pump station be located?

The pump station will be located in the undeveloped area east of S. Broadway, just north of Wildcat Reserve Parkway as indicated on the exhibit below. This location was defined by the existence of large transmission lines in Broadway and the hydraulic parameters set by storage reservoir elevations.

ques 2

3. Where will the transmission pipeline be located?

The transmission pipeline will connect to existing mains in S. Broadway and Wildcat Reserve Parkway. Between the connection points the pipeline will be aligned along the drainage corridor, cross Gateway Drive, and parallel the northern right-of-way of Wildcat Reserve Parkway, as indicated in light blue, in the exhibit below.

ques 3

4. What is the project schedule?

Timeline

5. Will the project impact the use of trails in the open space?

The pump station is located away from the existing trail just east of Broadway. Permanent access for the station will be from Broadway and the trail will not be used for this access. At times when grading or pipeline installation is necessary, periodic closures of the trail will occur. It is the intent of Centennial Water to keep closures to a minimum and provide nearby detours whenever feasible.

Pipeline construction is expected to start this winter when trail use is at its lowest and take up to six months to complete. The greatest impact will be along the portion of the pipeline that closely follows the soft-surface trail from Gateway Drive east for a distance of approximately 2,400 linear feet. The trail will likely be closed for approximately five weeks as this stretch of pipeline is installed and the trail is restored. Topography constraints and safety concerns may limit the ability to provide a detour for this section of the trail. The remainder of the trail should generally remain open or have periodic detours at select locations when required to accommodate pipeline crossings of the trail.

Early stages of pump station construction will involve grading and realignment of the existing trail in the immediate vicinity of the pump station. Realigning the trail slightly north of its existing location will enable it to remain open throughout construction of the pump station, which is expected to take approximately 12 months to complete. The trail will require detours on limited occasions to accommodate the installation of water, sewer or storm drain pipelines across the trail. The detours should generally be limited to a few days.

Updated closure information will be provided as the project transitions from design to construction.

6. What will the project look like?

The project consists of two components: the pump station and the transmission pipeline.

The transmission pipeline will be a buried pipeline that will convey water to and from the pump station. Following installation of the pipeline via open trenching, the disturbed areas will be backfilled and restored to preconstruction conditions.

Centennial Water has worked diligently with our design team to blend the pump station with its surroundings and use the topography and natural landscaped berms to minimize visual impacts. A significant portion of the pump station will be buried, however there will be an above ground structure required for operations and maintenance. The building footprint will be approximately 62 feet by 70 feet with a wrap-around driveway. The architectural treatments on the pump station are a barn theme to reflect the ranching heritage of the area while also meeting the functional needs. The pump station will be operated remotely once completed. There will not be daily staffing of the facility.

 

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