This system consists of a 5,500ft long pivot combined with large stationary sets and pressure reduced pop-ups. The 12 mile long pipeline network is supplied by 3 line-shaft turbines operating within discrete 30ft tall concrete sumps. Dual reinforced slabs, piers supporting the pump infrastructure and pins driven through bedrock support the all concrete pump house. The VFD's, control panels, pivot and guns are computer controlled as well as radio, GPS and internet enabled.
This stream was severely incised and degraded as a result of ski hill and road construction from the 1970's into the late 1990's. Thousands of cubic yards of clean fill was imported and the channel invert brought more than 25ft up in elevation. Extensive use of biodegradeable materials were utilized to create flexible channel margins. The stream once again supports trout, while re-vegetation efforts and intensive landscape architecture have created an impressive interpretive riparian trail system.
This 8 mile long reach of highly active, large gravel bed river was thrown into chaos by a series of large floods and disparate and non-permitted activities by various property owners. Following ten years of legal action, a DOJ Consent Decree was agreed upon, and most of the reach was restored to a stable comportment using a combination of process-based techniques and standard engineering approaches. The treated reach remains stable nearly 20 years down the road.
This combined cattle ranch and horse operation was expanded through a series of parcel acquisitions, creating the need for new roads, utilities, irrigation systems, structures, bridges, and information technology. Barns, arenas, round pens, foaling sheds, cattle pens, fencing, cattle drives, weighing stations, storage buildings, equipment buildings, mechanical shop, veterinarian facility, farrier shed, staff housing, and offices were designed, constructed and all networked via fiber optic and wireless technologies.
This 3 mile long system was installed to provide simple, easily adjustable, and flexible pathway irrigation. Water is introduced from a combination Coanda screen and distribution box, while a canal gate controls backwater, and sequential air-vacs insure pressure equalization. Clean-outs with gravity drops provide for maintenance while alfalfa valves enable flow control. The alfalfa valves can be connected to various water distribution mechanisms, but a simple hose and ultra-lightweight perforated ADS section is shown.
This 3,000 acre high elevation ranch was lacking in fresh drinking water for cattle, limiting herd size and production. A series of shallow ground water wells were pioneered and then developed with readily available materials. Over 40,000ft of fusion pipe was installed to create a network of pumped storage and fresh water distribution. Loader tires were utilized for cattle water, and the simple float systems were encased in a heavy gage steel box to protect against rubbing.
Over 1.5 miles of new trout stream was created on a 400+ acre open space parcel that is part of a mixed residential development. Several miles of existing streams had already been rebuilt or enhanced, but with more water available, a new channel was conceived. Constructed in just 2 months, the stream supports a healthy brown and rainbow trout population and the series of new trails constructed has significantly increased recreational opportunity .
This project involved the restoration of 10 acres of wetland disturbed by road and infrastructure placement. Careful clean-up was achieved using water jets, extensive hand work and material collection with low-pressure footprint machinery. Several ponds were also constructed using a sensitive "inside-out" technique, where eventual pond margins were left untouched by equipment. The end result was a series of pond and wetland complexes that blended perfectly into the landscape with no sign they were constructed features.
The owners of this guest ranch and trout fishery wanted to protect their streams from invasion by non-native and non-game species. They installed a series of gabion dams and in some cases, steel sheet piling dams. The results were surprising to the owners, as not only did the stream degrade and the dams fail in fairly short order, but non-desirable species were able to negotiate past the structures. Corrective work focused on removing the dams, stabilizing the banks, and restoring natural features to over 5 miles of channel.
The abutments for this 165 foot clear span, arched bridge are anchored with pilings driven to refusal and are 1.5 feet above the anticipated base flood elevation. Architectural features match elements found elsewhere on the property. Brazilian ipe was selected for the decking despite the subsequent 20,000 pound reduction in carrying capacity, as this material offers outstanding durability with zero maintenance. Railings of sealed fir and structural components of weathering steel provide an old time feel with modern safety and reliability.
Disturbance associated with ski area development, resulted in out migration of beaver and rapid collapse of a wetland ecosystem. The area was characterized by a series of ponds and deranged drainage, but over the course of four years, that changed to no ponds, a rapidly incising single channel and vanishing wetlands. Beaver ponds and the deranged drainage were rebuilt, raising the groundwater table and restoring wetland function. Natural migration of beaver to the area was augmented by purposeful transplants.
A large water supply pond, water intake sump, pipeline and pumping facility was threatened with capture following a prior year's large runoff event. Facing another large runoff, and operating under limited budget and time, the bank was extended and the toe protected by creating of a series of tightly spaced submerged vanes designed to interrupt turbulence structure and reduce erosive potential. The project was completed a month before schedule and 55% under budget.
Trout habitat can be enhanced in various ways, and even high performing streams can be improved through selective work. For example, by aligning habitat types toward angler preferences, making adult fish more available to anglers, and by changing the degree of angling difficulty . We believe the best results are imperceptible to the casual observer. Working with natural flows and processes, enhancements are self-reinforcing, enabling the changes to get better with time.
Highway expansion impacted fish habitat and increased both point and non-point pollution. The channel was relocated one mile west, while the old alignment was converted into a wetland complex to help trap and cleanse highway drainage. Coordination with the DOT resulted in modified operations to reduce direct introduction of water and sediment, improving wetland function and capacity. The new channel is far healthier, supporting a much improved fishery and higher quality riparian environment.