Ferguson Farms

Ferguson Farms

As an ever-growing peri-urban agriculture organization, Earth Dance Organic Farm School requires a greater capacity for accommodating people. The popularity of the Farm School has increased, as well as their ability to host larger events, offer after school programs, field trips and other community programs.

Car parking volume is an integral part of the improvement plan. Through our design, new parking areas are integrated into the ecological function of the farm watershed, in addition to the social capacity that allows for more inclusive, on-site parking.

Roads, fields and buildings that were once subject to flooding from storm water runoff are now part of an extensive rain garden that absorbs, channels and utilizes the flow for potable uses such as irrigation.

I-70 at Floyd Hill Improvements

I-70 at Floyd Hill Improvements

THK team members are currently working with CDOT to improve I-70 at the base of Floyd Hill in Clear Creek Canyon. The six miles of roadway reconstruction includes the complete realignment of I-70 and Highway 6 through the canyon. The realignment requires approximately 3 miles of new bridge structures, over 20 rock cuts, 3,000 linear feet of creek bank restoration. THK, Yeh and Chinook are all three responsible for the rock cut design and aesthetics. Yeh is specifically responsible for rock cut and slope stabilization design along with rock fall mitigation. THK is responsible for all forest and riverbank restoration, project aesthetics, recreation improvements, and CPW SB40 permits. Additionally, all three consultants were involved with helping to establish the new roadway alignments. THK and Yeh have worked for decades on mountain road development in Colorado. The experience and knowledge of this team will ensure that Park access roads are safe and aesthetically pleasing with rockfall mitigation. Additionally, ECO Resolutions planned and designed all the wildlife mitigation including roadway wildlife crossing structures.

Big Dry Creek Recreation and Floodplain Restoration Master Plan & Final Design

Big Dry Creek Recreation and Floodplain Restoration Master Plan & Final Design

For this project, THK Associates developed a master plan for 6 miles of the Big Dry Creek corridor between I-25 and 160th Avenue. While the City of Thornton had already created ‘pearls’ of open spaces along the South Platte River and Niver Creek, Big Dry Creek was the last remaining ‘open space pearl’ needed to create a complete system of open space corridors in Thornton.
Big Dry Creek provides outstanding opportunities for passive recreation and wildlife habitat and encompasses almost 300 acres of open space areas that have been preserved through acquisition by Thornton and Adams County.

The master plan assessed these publicly-owned parcels from hydraulic, geomorphic, environmental, social and recreational standpoints and created a framework for these areas to be connected both to each other and to the larger networks of trails, parks and open spaces. The key to creating an effective and implementable framework in the master plan was to understand that successful riparian corridors are complex systems that cannot be completely ‘controlled.’ By preserving and protecting a wide corridor that the Creek could move within without negatively impacting infrastructure (such as roads and buildings), we were also able to create a plentiful wildlife habitat alongside recreational amenities including a regional trail system and environmental learning opportunities.

Currently, THK is providing final design services for Phase 1 improvements including 2500 L.F. of creek restortation and a trailhead.

THK is also completing final design on 3 additional segments of trail that will be completed by Jan 2021.

Big Dry Creek Pilot Project

Big Dry Creek Pilot Project

The Big Dry Creek Pilot Project was a priority project identified in the Big Dry Creek River Corridor Master Plan completed by THK. The City partnered with the Urban Drainage Flood Control District to bring contractors on board early to collaborate during the design process. The project is broken up into 2 phases, Floodplain Restoration and Passive Recreation. Set for construction in September 2019, the floodplain restoration plans were successful in achieving a no-rise certification. While preliminary stages showed a slight rise on site, THK expanded a natural drainage area to eliminate the rise in the floodplain while increasing biodiversity, promoting natural drainage, and creating a more enjoyable user experience. This project is also setting a precedent for environmental permitting through its data collection and monitoring.
THK is working with the City to complete the Passive Recreation Plans. The plans will include a portion of the Heritage Regional Trail, a connector trail, a new pedestrian bridge, a trailhead, secondary trails and opportunities for creek access.

Clear Creek Restoration at Old Game Check Station

Clear Creek Restoration at Old Game Check Station

In 2012, THK, in combination with Clear Creek County and the Colorado Department of Transportation, began the planning and construction documentation for the Old Game Check Station Trailhead and 2,200 linear feet of improvements along Clear Creek.   The trailhead focuses on multiple user groups, access to the trail system in Clear Creek County, access to Clear Creek, restoring native vegetation and habitat and protecting existing ecological systems.

The trailhead provides an important connection to the Scott Lancaster Memorial Path and bridge and will offer river access, restrooms and interpretative opportunities.  The trailhead was designed to meet ADA accessible guidelines and features a paved parking lot, sidewalks and a plaza area.  The plaza will highlight the Fallen Heroes Memorial, an installation remembering fallen military personnel.

The Creek restoration will return Clear Creek to a more natural state by reducing the channelization that has occurred on the corridor, reducing flow velocity, adding flood capacity, establishing and expanding native ecosystems and improving fisheries habitat. The Old Game Check Station Trailhead was completed in October, 2015 and was designed and constructed in association with the Twin Tunnels Widening Project.