The Salvation Army Wastewater Treatment Facility Mount Werner
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Wright Water Engineers, Inc. Waste Engineering, Inc. February 2021 Sally Kribs, Editor The Salvation Army Wastewater Treatment Facility [email protected] The Salvation Army High Wright Water Engineers, Inc. www.wrightwater.com Peak Camp Wastewater 2490 West 26th Ave., Ste. 100 A Treatment Facility project is Denver, CO 80211 303.480.1700 underway. Ongoing winter construction includes Glenwood Springs Office 818 Colorado Ave. pouring concrete for Glenwood Springs, CO 81602 foundations and sequencing 970.945.7755 batch reactor basins. Durango Office 1666 N. Main St., Ste. C Durango, CO 81301 Wayne Lorenz and Jeff 970.259.7411 Nelson have been handling Waste Engineering, Inc. the design of this project. www.wasteengineeringinc.com Kris Schaffer and Eric 2490 West 26th Ave., Ste. 100 A Denver, CO 80211 Bodine have been helping the 303.433.2788 contractor, Velocity Constructors, work through Sunrise at the High Peak Camp work site in Larimer County. some of the details and Photograph: Kristen Schaffer conducting observation of aspects of construction. Inside this issue: WWE looks forward to summer when sequencing batch reactor, cloth media the wastewater treatment systems will filter, and UV disinfection system. Upper Basin Colorado 2 be installed. Processes will include a River Drought Contingency Plan Mile High Flood District 3 Mount Werner Final Decree for New Intake Gallery Gage Analysis Report WWE was pleased to assist Frank WWE has a long history with the Return to Palisade Water 3 Treatment Plant Alfone of the Mount Werner Water and District. Ken Wright handled the Sanitation District to obtain a water creation of the District back in 1965 and 60th Anniversary 4 court-decreed plan for augmentation for provided master plan and water rights Recollections—Harvard its Yampa Meadows Infiltration engineering for the District’s water Gulch Gallery. supply. Middle Colorado River 5 Integrated Watershed Project manager Jonathan Kelly worked The new infiltration gallery will provide Management Plan closely throughout the process with an important supply that is less Sterling Hills Pond 5 attorney Jeff Houpt of Beattie, Houpt & vulnerable to wildfire impacts. Former Rehabilitation Jarvis and District Manager Mr. Alfone District Manager Jon Fetcher and Ken Construction to secure the decree prior to the facility Wright performed aquifer testing in the NISP 401 Certification 6 coming online in the fall of 2021. Yampa River alluvium for the new Will Not be Appealed gallery back in the 1980s. Page 2 Upper Basin Colorado River Drought Contingency Plan The United States Bureau of designated as a critical threshold in the Reclamation (USBR) quarterly report in agreement to preserve the ability to January was grim, showing Lake Powell produce hydropower at Glen Canyon and Lake Mead at 42 and 40% of Dam. capacity. These bleak forecasts for the Colorado River have triggered the 2019 The USBR informed Colorado and the Upper Basin Drought Contingency Plan other three Upper Basin states about the for the first time. threshold. The water managers need to consider all possible scenarios and plan The 24-month USBR study showed accordingly. Lake Powell potentially dipping below an elevation of 3,525 feet above sea level in 2022. That elevation was The Colorado River near Granby. If federal models show Lake Powell’s elevation declining below the 3,525-foot threshold WWE Urban Stormwater Detention Facilities Webinar under the “most probable” forecast, smaller reservoirs upstream in the four WWE’s Jon Jones, Chris Olson, and It focused on the commonalities among Upper Basin states could be required to Katie Knight, with the help of Beth detention facilities, traditional and release water to increase the water levels Knudsen, presented a 90-minute alternative design criteria, how to in Lake Powell. webinar entitled “Fundamentals of evaluate effectiveness, water quality Photograph: Kristen Schaffer Urban Stormwater Detention Facilities” benefits, safety, permitting, potential in January. liability concerns, and the costs of maintenance and monitoring. The online presentation, via Lorman Education Services, was given to engineers around the United States. Final ASCE Stormwater Modeling Webinar Dr. Andrew Earles is pleased to report practices. Andrew provided the final that WWE has completed a webinar webinar in the series on January 27 series for the American Society of Civil related to continuous simulation Engineers (ASCE) related to modeling modeling using SWMM. low impact development and green stormwater infrastructure practices Andrew and his co-presenters sincerely using the United States Environmental thank Barbara Chongtoua of the Mile No, the photograph is not upside Protection Agency’s Stormwater High Flood District for supporting this down! Liam Foster, son of WWE's Pete Management Model (SWMM). webinar series, and WWE would also Foster, is shown above during the lead like to thank the ASCE and their competition at the Ouray Ice Fest in WWE worked with Muller Engineering webinar production staff for all of their 2021. Both of Pete’s sons, Liam and Nate, and the Mile High Flood District to assistance with these webinars. competed in the festival. Liam took first create a three-webinar series related to place in the speed competition and fifth in this topic. Dr. Chris Olson of WWE Although the live webinars have already the lead competition. Pete Foster enjoys working for the City of Ouray, a client of presented the first webinar related to been conducted, these webinars are WWE’s since 2005. Pete is looking forward fundamentals of SWMM. This was available in ASCE’s resource library for to working with the new City followed by a webinar by Jim engineers and scientists who may be Administrator Silas Clarke, Public Works Wulliman, P.E., and Katy Shaneyfelt, interested in continuing education. Director Joe Coleman, and City Attorney P.E., of Muller Engineering on event- Carol Viner. based modeling of green stormwater Page 3 Mile High Flood District Gage Analysis Report WWE’s Andrew Earles and Haley associated with large events, such as the Rogers were pleased to work with the 100-year flood. These results will Mile High Flood District (MHFD) on a provide the District with hydrology flow frequency analysis for three information that can be used for watersheds in the Denver Metro area: modeling and flood planning in the Van Bibber Creek, Lena Gulch, and future. Little Dry Creek. The Van Bibber Creek channel just Andrew and Haley thank Kevin downstream of the Highway 93 gage and The work included statistical analyses Stewart, P.E., of MHFD for the road crossing. of the historical flow record at nine opportunity to perform this work. Photograph: Haley Rogers gages in order to compute flows Keyes Leads Colorado Stormwater Council Courses Jennifer Keyes will teach two courses and non-standard MS4 personnel, for the Colorado Stormwater Council focusing on compliance with (CSC) Construction Committee in construction site programs. The CIP MS4 Inspector Course: February. One is an online MS4 Inspector training is intended for https:// Construction Inspector Course on contractors and municipal staff, www.eventbrite.com/e/ms4 February 10 (all day). The other class is focusing on stormwater management -inspector-training-online- an online Capital Improvement Planning compliance for CIP projects. tickets-137449935457 (CIP) Stormwater Compliance course on February 23 (morning only). Jennifer has enjoyed working with CIP Inspector Course: Ashley Tucker and the CSC on these https:// The MS4 Inspector training was two training programs. Registration www.eventbrite.com/e/ designed specifically for city, county, links are provided on the right. capital-improvement- project-stormwater- compliance-training- Lennar Orchard Farms online-tickets- 137450282495 The Orchard Farms project is a new Revision for the nearly completed housing development that has been project. constructed next to Big Dry Creek in Thornton, Colorado. Karl Kingery and Andrew Earles of WWE are working closely with Thomas WWE is pleased to be assisting Lennar Cyr and Boyd May of Lennar Homes Homes to prepare a Letter of Map and Daniel Rodriguez of Atwell, the civil engineer for the site. Return to Palisade Water Treatment Plant In late January, Wayne Lorenz and facility also has an onsite chlorine Jamie Akens enjoyed a visit to the generator due to the precarious road Palisade Water Treatment Plant (WTP), leading up to the plant that would make a plant that WWE designed in liquid chlorine deliveries difficult. 2006–2007. Wayne was very pleased to receive an This plant has a two-million-gallon-per outstanding report from the operator, Wayne Lorenz and Jamie Akens checked up day capacity and utilizes a PALL who has been operating this plant since on this WTP that WWE designed 14 years microfiltration membrane system. The the ribbon cutting ceremony in 2007. ago. Page 4 Collaboration with Dr. Robert Houghtalen, P.E. We are delighted to once again be outstanding. Robert later spent an collaborating with Robert Houghtalen, extended time in Africa, with his wife, P.E., on various projects. Many of our Judy, conducting missionary work. He readers will know Robert Houghtalen’s is now back in the United States at the name because his reference books on University of North Carolina – hydrology and hydraulics are widely Wilmington. used by undergraduate engineering students around the United States. Robert recently helped us on an assignment in which we compared Robert has long been a dear colleague. various unit hydrograph methods and he He took a one-year sabbatical to work is actively working with WWE on our with WWE in the 1990s, and his national low-head dam outreach efforts. assistance to us during that year was th Professor Robert Houghtalen, P.E. 60 Anniversary Recollections—Harvard Gulch To commemorate WWE’s 60th year in Sherman Street the gulch spilled out business, we are looking back on some onto Evans Avenue to flow west to the of our landmark projects like Harvard South Platte River.