The outfall sewer line extended from the Rendezvous development along U.S. 40 to the Fraser Sanitation District sewer system and included river crossings and a bored casing under the highway. The outfall included 430 feet of 24-inch pipe, 5,200 feet of 21-inch pipe, and 235 feet of 15-inch pipe located within easements and existing right-of-way. The pumpback line project included 5,900 feet of 16-inch PVC placed in the same trench as the sanitary sewer and an additional 2,800 feet of 16-inch PVC.

Pleasant View Water and Sanitation District
Sewer Outfall Line
Jefferson County, Colorado

This project involved the replacement of the existing 15-inch sewer outfall with approximately 12,000 feet of 24-inch PVC. Critical design issues involved an open-channel flow hydraulic analysis to minimize odor from hydrogen sulfide gas and the design of five major bored casings across waterways and I-70. The project required preparation of a sanitary sewer capacity analysis, preparation of the design study to obtain the DRCOG and CDPHE site applications, and approval and coordination for permits from numerous agencies.

Southwest Metropolitan Water and Sanitation District
Sewer Flow Analysis
Jefferson County, Colorado

Over the past five years, Meurer & Associates designed seven Palmer-Bowlus flow meters on the District’s existing sanitary sewer lines. To better understand actual flows, a sewer flow model was developed to analyze the system, as well as to project impacts of future development. The flumes were designed to be inserted into a variety of existing pipe types, including concrete, asbestos cement, HDPE, and PVC with flows ranging from 1 MGD to 5 MGD.

Villages at Castle Rock Metropolitan District
System Analysis, Master Planning and Mitchell Creek Lift Station
Castle Rock, Colorado

As the District Engineer, Meurer & Associates has performed master planning, design, and construction coordination for the major water and wastewater infrastructures needed for the Villages at Castle Rock Metropolitan District. The District is located within the Founders Service Area in the northeast area of the Town of Castle Rock. The Mitchell Creek Lift Station is a regional facility serving the Founders Service Area. The original Lift Station was designed for service to approximately 3,000 single-family units. Meurer & Associates performed a sewer flow study of the basin to determine infiltration and actual flows per unit. Based on this study, the lift station required modifications to increase capacity for service to the next phase of development within the basin. The project involved pump replacement, electrical and control modifications, and a new backup power supply.

Willowbrook Water and Sanitation District
Willow Springs North Lift Station
Jefferson County, Colorado

Meurer & Associates provided design and construction observation services for the Willow Springs North Lift Station for Chimney Rock Metropolitan District near Willow Springs Drive and Turkey Creek. This facility will ultimately provide service for 200 single-family units for the Willow Springs North development. Due to the projected flow demand and discharge pressure requirements, two-stage pumps and motors were purchased from Gorman Rupp. The remote location and proximity to Turkey Creek required a standby natural gas generator. The skid mounted pumps motors and valving are contained in an all brick building with an external wet well to improve access for maintenance and semi-annual cleaning. The lift station site is protected with chain link fencing and a telemetry system.

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