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ACEC/CO Celebrates Smart At the ACEC/CO annual Engineering Excellence Awards Luncheon on November 2, 150 engineers and guests gathered at the Brown Palace Hotel to "Celebrate Smart." Twenty-two projects were entered in this year's competition and were presented and honored at the luncheon. Dave Fraser, Chief Meteorologist for Fox 31, was the master of ceremony and announced the awards. Eight projects received excellence awards, two received honor awards, and 12 received merit awards. These projects demonstrate the highest degree of merit and ingenuity, and provide a major contribution to technical, economic, and social advancements by Colorado-based engineering firms. Read More..
News from National ACEC President's Report
In the News 2009 Salary Survey Now Available The 2009 ACEC/CO Salary Survey is now available. Click here to review this year's salary highlights and access the order from for the complete survey. Membership Notices and
Engineers in the News Membership Notices Engineers in the News
Register online, by calling 303-832-2200, or by e-mail for ACEC/CO programs.
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Government Affairs
Institute for Business Management
At Martin/Martin Inc.'s recent stockholder meeting, Stanley L. Welton, PE, SE, LEED AP, was elected to the firm's board of directors. A Principal with Martin/Martin’s Structural Engineering Department, Welton has over 30 years experience in the design and construction industry with a strong background in criminal justice, public administration, office, education, sports and parking facilities including coordination, quality control and checking all aspects of major, multi-structure projects. Belt Collins, a planning, civil engineering, landscape architecture and
Marketing and Business Development ACEC/CO Sponsorship Packages Available ACEC/CO is pleased to present you new sponsorship packages for you. Being a sponsor of a meeting or event will give you the opportunity to get your name and company before our membership. Sponsorships allow ACEC/CO to continue to provide quality programs and activities at a reasonable price. Click here to view sponsorship packets and more information.
At the ACEC/CO annual Engineering Excellence Awards Luncheon on November 2, 150 engineers and guests gathered at the Brown Palace Hotel to "Celebrate Smart." Twenty-two projects were entered in this year's competition and were presented and honored at the luncheon. Dave Fraser, Chief Meteorologist for Fox 31, was the master of ceremony and announced the awards. Eight projects received excellence awards, two received honor awards, and 12 received merit awards. The excellence projects will be submitted to ACEC National for its 2010 competition held on April 27. All of the projects demonstrate the highest degree of merit and ingenuity, and provide a major contribution to technical, economic, and social advancements by Colorado-based engineering firms. Entries were judged by business, media and industry professionals who recognize excellence based upon five criteria: originality and innovation; meeting and exceeding client needs; social and economic value; complexity; and future value to the engineering profession. This year's judges were: Major General Steve Abt, Senior Reserve Component Representative at the U.S. Army Accessions and former CSU Professor of Civil Engineering; Brian Ahrens, Chief of Modeling & DSS for the Colorado Department of Natural Resources, Division of Water Resources; Stuart Coppedge, AIA Colorado President and Associate Principal with RTA Architects; Taryn Edwards, President of the Colorado Chapter of the Association of General Contractors; Deb Kleinman, Executive Director of Colorado Chapter of US Green Building Council; Glenn Lamoree, Branch Chief of Design and Construction for the National Park Service; Mike Lowell, Director of Design & Construction Division of the General Services Administration
Excellence Award Recipients Malcom Pirnie, Inc.
Following Hurricane Katrina, FEMA is now requiring many cities to recertify their levees and flood control systems. The City of Wichita, Kansas, which has an extensive levee system, selected Merrick & Company to provide high-resolution Light Detection and Ranging (LiDAR), digital aerial photography and ArcHydro storm water modeling services for its levee recertification application.
Treating contaminated groundwater at F.E. Warren Air Force Base Spill Site 7 in Wyoming required an innovative engineering approach that would deliver results in a timely manner. Past manufacturing practices and chemical spills had
The wastewater treatment project is now effectively providing better treatment and water quality in the South Platte River and by incorporating innovations to optimize plant performance, ensure affordable sewage treatment and promote environmental stewardship principles, the facility is one of the most advanced wastewater treatment plants of it kind in the nation.
Successful completion and operation of the Alamosa Water Treatment Facility designed by Richard P. Arber Associates for the City of Alamosa allows the city to achieve compliance with the U.S. EPA’s Arsenic Rule by removing arsenic from the city’s otherwise pristine groundwater wells. Timing was crucial as after nearly seven years of planning, design and just month’s prior to the completion of the new 5 mgd water treatment facility, more than 390 salmonella cases were reported and linked to the water system. The City of Alamosa Water Treatment Facility uses the coagulation/membrane filtrations process to the city’s well water and is one of the first facilities in the nation to apply this technology for arsenic removal. Arsenic levels are now consistently well below the allowable level and the plant is using only half of the coagulant that was expected based on earlier pilot studies.
CH2M Hill
Most design standards for interchanges are geared toward freeway classifications, however since this project is located in a populated residential area with speed limits of 40 mph, CH2M Hill’s design team was also able to develop new standards and criteria for low-speed interchanges in urban settings for future generations of engineers to reference. From initial planning through construction, under a fast-track schedule, the more user friendly, multi-modal interchange solution has improved mobility, accessibility and connectivity, providing for the safety of motorists, bicyclists and pedestrians.
The C-470/Alameda Interchange is a leading example of sustainable transportation design that also bridges Colorado’s past with its future. Located between two state historic treasures - Dinosaur Ridge and the Rooney Ranch Historic District - Felsburg Holt & Ullevig was challeng Sustainable solutions included use of existing overpass materials in roadway design, best practice pond design to enhance water quality, LED lighting applications for energy savings and reduction of light pollution, low-water landscaping and context-sensitive aesthetics, such as incorporating a color palette and sandstone look for retaining walls to mimic Rooney Ranch’s historic structures and surrounding rock formations. The interchange is a successful example of how sustainable design can be cost-effectively applied to improve transportation infrastructure as well as preserve natural and historic resources.
Re-engineering older buildings without changing their appearance is complex. This was the challenge EMC Engineers, Inc. faced when their client, the Monte Vista School District, wanted to enhance energy efficiency and comfort of the 71-year-old Monte Vista Central Auditorium/Gymnasium. The building is a community landmark and used by the Monte Vista School District and the community for a wide range of events, however energy use was inefficient. Creative thinking and a ‘reuse instead of replace’ mentality enabled the design and implementation of numerous sustainable mechanical and electrical system improvements, all of which needed to be made without significantly altering the building’s interior or exterior appearance while ensuring the safety of students who occupied the building during much of the project. In the end, EMC accomplished a 58 percent reduction of overall energy usage, while retaining the charm and character of the 1938 building.
Honor Awards
Research 2, a 506,000 square foot laboratory and support facility, provides the ultimate in flexible, energy efficient laboratory space. M-E Engineers provided creative, cost effective and energy efficient MEP systems design. An interconnected air handling system reduces air flow required to condition and clean the air, saving energy and providing back-up capacity when needed. Heat recovery loops, evaporative cooling and careful process load sizing also save energy. These measures resulted in 40 percent less energy use than comparable facilities. Reduced energy costs and 3D construction coordination saved the owner money while still providing exceptional laboratory space for students, faculty and researchers.
In an effort to preserve its collection of more than five million publications, photographs, and audiovisual materials, the LDS Church sought energy-efficient and technologically-advanced solutions to be incorporated into their new Church History Library. The RMH Group was the project’s mechanical and electrical engineer and LEED consultant, and provided a number of innovative solutions to meet these requirements. Because extreme temperature and humidity can quickly deteriorate materials, RMH designed a tightly controlled system to regulate environmental conditions and achieve a high level of air purity. The new library also includes archival storage rooms maintained at constant temperatures as low as -4 degrees. As the Church’s first LEED-registered building, many sustainable design elements were incorporated including efficient lighting, daylight harvesting, ultra-low-flow water fixtures, and furniture crafted from recycled materials.
Merit Awards
The I-70/Eagle County Traffic Incident Management (TIM) Plan developed unique and innovative strategies to cope with closures of the remote 15-mile section of I-70 over Vail Pass east of Vail, Colorado. A “staged closure” strategy was developed to progressively close the highway upstream of an incident as the small towns in the valley fill to capacity with diverted vehicles. A “staged release” systematically re-opens the highway without causing gridlock. The study was a collaboration of 39 agencies including several departments within CDOT, the Town of Vail and numerous other emergency service providers in Eagle County.
Just northwest of the University of Colorado at Colorado Springs a once blighted 80-acre area is now being transformed into a premier retail center. Terracon was asked to design a nearly half-mile-long soil retaining wall that was needed to address significant grade change between the east and west site boundaries formed by Fountain Creek. Terracon’s design of a concealed spillway minimized the potential overflow and protected the lower wall tier which is intended to prevent a potentially catastrophic consequence. Terracon addressed major design challenges and produced an attractive and sustainable structure that complements the surrounding natural environment.
Heavy runoff in 2006 caused rivers and streams in Northern Colorado to pick up debris including pine needles from beetle-killed pine trees and other forest litter. The debris was finding its way into the Pleasant Valley Pipeline’s influent, posing risk to the City of Fort Collins’ secondary water supply. The Pipeline’s original manual bar screen was insufficient to handle the debris. Ayres Associates designed an unconventional, yet effective screening solution involving a dual-flow traveling screen that was retro-fit into the existing intake structure. The solution worked best for its low head loss, low electrical power requirement, ease of maintenance, durability, reliability and overall cost-effectiveness.
Burns & McDonnell Engineering Co, Inc. At nearly 10,000 feet elevation, Fairplay Colorado is one of the coldest towns in America. Consequently, the town’s wastewater lagoon system, which relies on warmer temperatures to be effective, was not meeting the new ammonia limits set by the State. Burns & McDonnell recommended an integrated fixed-film activated sludge facility capable of biological nutrient removal, which operates on autopilot while also treating wastewater at 5 degrees Celsius and provides winter protection for every piece of equipment. The result of the project was a facility completed in one construction season that treats wastewater to quality levels well beyond the requirement of their current permit limits.
The Arapahoe County Water and Wastewater Authority and Inverness Water and Sanitation District are stewards of the water quality in Cherry Creek Reservoir, which is a major recreational resource for the Denver region. Driven by rapid population growth, the two districts determined that partnering in the expansion of the Lone Tree Creek Water Reuse Facility would best serve their customers while protecting the reservoir. Arber Associates served as project manager for the expansion project and provided planning, permitting assistance, preliminary design, design, services during bidding, and services during construction. Limited resources were stretched to complete of this regional wastewater treatment facility which is now capable of meeting the communities’ treatment needs for many years.
With few major east-west thoroughfares in the western portion of El Paso County, commutes were long and opportunities for development diminished. As a catalyst for improving travel, the El Paso Department of Transportation called upon AECOM to provide planning, design, and construction support services for the development of the Woodmen
PBS&J A public-private partnership between the City of Lone Tree, Coventry Development, CDOT, and Douglas County collaborated to construct a new RidgeGate and I-25 interchange with a unique bridge and architecture. PBS&J’s unique design elements included geometrically shaped native stone walls, and grading to mimic adjacent landforms while a thin box girder bridge provides unimpeded scenic views. The project achieved multiple regional and local transportation benefits for less cost than separate projects and has received outstanding public response.
URS Corporation URS was selected to provide design services for two separate, but adjacent segments along the north Front Range between SH 52 and SH 66. Traffic volumes for this section of I-25 are projected to exceed 106,000 vehicles per day by the year 2022 and heavy trucks comprise nearly 15 percent of the average daily traffic. The full reconstruction of 8.5 miles of aging interstate included one new lane in each direction, a new interchange, added pavement for future HOV lanes, and 30 feet envelope for transit. Real-time camera information provides travel condition input for variable message signs and added capacity allows semi-truck traffic to operate with less impact to other users. These two projects were completed under budget and ahead of schedule.
Colorado’s largest coal-fired generating station, the Craig Station, is owned and operated by Tri-State Generation and Transmission Association. To keep up with growing demand, Tri-State sought to expand the generating capacity of Craig Station Unit 3. Tri-State hired Burns & McDonnell to modify systems that would allow Craig Station Unit 3 to realize its increased generation capacity while strengthening their emission control system. They designed components during this upgrade that help regulate and control power plant emissions. State of the art burners and over fire air ports helped maximize the plants efficiency while controlling NOx. Craig Station is now able to supply more environmentally friendly energy to sustain the populations in surrounding communities.
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