ABOUT JHL CONSTRUCTORS

The Chief Creek #4 Dam Outlet project included rehabilitation of the existing outlet conduit with a UV CIPP liner and construction of a concrete grade beam. Additional scope included removal and replacement of the concrete facing on the upstream slope of the dam, abandonment of an existing outlet conduit, and other miscellaneous work.

This project consists of an 8,000 SF cast-in-place and precast concrete structure and associated site / infrastructure work. The scope relocated and enclosed the 42-inch diameter Quincy Reservoir supply line and the 62-inch diameter Rampart Range Reservoir supply line into the Griswold facility. The new work accommodates concurrent valve operation to cover a flow range between 0 and 120 millions of gallons per day.

District infrastructure work related to Prairie Waters Pipeline including: mobilization, erosion control setup and maintenance, earthwork, dewatering, demolition of existing 60-inch water line and fittings, installation of 900 LF of 72-inch steel casing pipe, installation of 3,117 LF of 60-inch steel water line, ARV vault, butterfly valve vault with 6-inch blow-offs, two manways, cathodic protection, utility markers, fencing and site restoration.

This infrastructure package will support the Aurora Highlands’ master plan development. The project includes over 200 acres of civil work, including grading and stabilization of the primary tributary drainageway, structural excavation and backfill, balance grading, construction of five bridge structures and pedestrian passageways, approximately 4.5 lane miles of roadway, curb and gutter, detached sidewalk, site retaining walls, 18’x6’ precast box culvert, and over five miles of water, sanitary, and storm utilities.

This building will house a total of 180 administrative and maintenance professionals across two curved (segmented) levels that share a center point marked by the highest point of the site – inspired by a drop of water’s concentric rings of outward momentum.

The program is roughly split 60:30:10 between maintenance bays, an open-plan workplace, and a high-performance water quality laboratory. The project has undertaken an immersive workplace strategy initiative – combing both administrative and maintenance staff into a shared departmental, flexible, and module office environment.