Regional Chapter IN THIS ISSUE Newsletter

President’s Column Page 2 VOLUME 4, ISSUE 1 MARCH 2013 RMC Consultant Profile Page 3 WateReuse 2013: L.A. Chapter Meet-Up in Monterey! Ask the Guru: A Reader WateReuse hosts its 2013 Annual Con- ference on March 17-19 at the Portola Hotel & Spa in Recap Monterey. Page 4 The conference is designed for individuals, organiza- tions, and agencies associated with or interested in the 2013 Conference Tours and design, management, operation, and use of water recy- Workshops cling and desalination facilities and projects in California. Page 4 Topics include recycled water planning, operational issues, regulatory issues, financial considerations, and environmental benefits. Please join your fellow LA Chapter members for a NEXT MEETING special post-dinner cocktail hour Monday starting at 10 p.m. in Jack’s Lounge at the Portola Hotel to dis- Tuesday, April 9 cuss conference highlights. Also, check the Tours and 11:30am Workshops available on page 4 of this newsletter.

LADWP Donald C. Tillman For more information on the conference please Water Reclamation Plant visit: https://www.watereuse.org/conferences/ california/13 6100 Woodley Avenue Van Nuys, CA 91406 LADWP’s Crossed Arches Pipe Bridge A unique pipe bridge was crossed arches to support the possible. recently built across the Tujunga pedestrian deck. • Minimal surcharge to the Channel to supply recycled The United States Army channel walls from the water to the Hansen Dam Corps of Engineers (USACE) bridge footings. Municipal Golf Course in the and the Los Angeles County • Shortest possible construc- Lake View Terrace area of Los Flood Control Districts (LACF- tion duration. Angeles. The bridge is part of CD) regulate work within the • Twelve foot minimum the Hansen Dam Golf Course Tujunga Channel right-of-way. vertical clearance to the Water Recycling Project of the These agencies required the channel. Los Angeles Department of following: The use of arches also Water and Power (LADWP). • Easement for the pipe and allowed the design of drilled Bridge designer William W. Lai, bridge to be as narrow as Continued on page 2 . . . PE, came up with the novel concept of crossed arches after wrestling with the problem of View of the completed crossed how to provide resistance to arches pipe bridge. lateral loads, including seismic. Instead of inserting braces between the arches, crossing the arches resulted in an efficient way to resist lateral forces. Until recently the authors were unaware of other examples of bridges with crossed arches. The December 2012 issue of Structure magazine features the award-winning Tempe (Arizona) Town Lake Pedestrian Bridge, designed by T.Y. Lin Internation- al, which prominently utilizes PAGE 2 President’s Column 2012 was a very active year for local supplies issues. Judi Miller, Robinson and our previous Chap- the Los Angeles Chapter. John our Secretary/Treasurer, has done a ter Presidents. I look to expanding Robinson led us to become one thankless job keeping the Chap- our involvement in developing state of the larger chapters ter records and expanding access wide recycled water policy and through continued edu- through our website (http://www. legislation, educating the public and cation and outreach. We watereuse.org/sections/california/ facilitating funding of local projects. now regularly have about losangeles). Monica Gasca, our I plan to work closely with Chapter 50 members from various Chapter Trustee, has been vital in Officers to try and provide addi- water agencies, engineer- keeping us informed of WateReuse tional value to the members. ing firms, and regulatory California’s Board of Directors Please feel free to contact me agencies sharing infor- activities and direction. I would also if you would like to become more mation at our meetings. like to thank Matt Elsner, Shelah involved in the Chapter or have I welcome the election Riggs, Mark Forster, the “Guru” suggestions for future meetings. of Kraig Erickson as the Earle Hartling, and all the others new Vice President and that contribute to producing the Raymond Jay look forward to working closely Chapter newsletter. with him on evaluating expansion In 2013, I hope to build on the of stormwater capture and other solid foundation established by John

LADWP’s Crossed Arches Pipe Bridge Continued from page 1. . . pier foundations that fit within the to join the buried duc- narrow right-of-way available. The tile iron pipeline.) The decision to use pipe for the arches completely assembled was a result of the desire to use bridge was hoisted into stainless steel for long service life. place across the Tujunga The number of structural shapes Channel with a mobile available in stainless steel is limited, crane. No equipment but pipe is readily available. Yousef entered the channel, A. Gobran, PE, designed four as required by the Los reinforced concrete drilled pier Angeles Regional Water Upstream and downstream views foundations. Jianping Hu, Ph.D., Quality Control Board. of the Tujunga channel, from the PE, GE, provided a finite element The Hansen Dam spillgates of the Hansen Dam at the method soil stress analysis to the Golf Course Recycled source, to the bridge and in the back- USACE demonstrating that forces Water Project includes ground, Valley Generating Station, site transmitted to the walls of the Tu- a pumping station, of the recycled water Hansen Tank junga Channel from the piers were about 4,500 feet of 20- within acceptable limits. inch nominal diameter and pumping station. Fabrication ductile iron pipeline, was by the and the pipe bridge. LADWP’s A one-million gallon Structural hill-top tank is planned Steel Shop for the future. Con- under the di- struction of the ductile rection of Stan iron pipeline began in Brown, now September 2012 by retired. The LADWP’s Water Dis- pipe arches tribution Division. The were rolled to pipeline was designed a radius of 86 by Salman A. Sufi, PE; he also coor- pumps, each rated at 1300 gallon feet by Marine dinated the right-of-way effort. The per minute. Initially the project Temporary plates, Valve and Supply Co. of Whittier, recycled water originates at the will deliver about 500 acre-feet per braces, and supports CA. Tillman Water Reclamation Plant year of recycled water for irriga- help to fit up the LADWP’s Integrated Support in Van Nuys, CA. The pumping tion of the golf course. However, Services Division (ISS) built the station will take suction from the the pipeline and pumping station mid-span weld of foundations, erected the bridge, 7-million gallon Hansen Tank at the were sized anticipating additional the crossed arches and installed the recycled water LADWP’s Valley Generating Station customers. pipe bridge. pipe and thrust blocks. (Concrete in Sun Valley, CA. David R. Rice, Article by Wayne A. Bamossy, PE; Jen- thrust blocks are provided at each PE, was the pumping station design nifer A. Barrick, PE; and William W. Lai, end of the welded steel water pipe manager. The outdoor station will PE are with the Los Angeles Depart- where it bends down 45 degrees include three vertical turbine ment of Water and Power. PAGE 3 Consultant Spotlight: RMC Water and Environment sibility of recycled water service surges and poor water quality; to both industrial and irrigation and identifying multiple regional customers, obtained customer opportunities. RMC investigat- agreements, developed neces- ed possibilities for expanding sary reports, and construction recycled water use and reducing assistance. RMC is developing LA’s need for imported water. the Engineering Report for use of RO recycled water at NRG-El REDUCING THE NEED FOR Segundo IMPORTED WATER RMC conducted an alterna- A LONG-STANDING tives analysis to develop projects RECYCLED WATER to offset the need for imported PROGRAM FOR PASADENA replenishment water used in the RMC is providing engineering Central and Main San Gabriel services to support the design Basins. We developed alter- of Pasadena Water and Power’s natives that provided a more recycled water project. RMC reliable source of replenishment RMC Water and Environment evaluated the potential for year- water for the groundwater is a California-based environ- RMC has been working with round water reuse and season- basins for Water Replenishment mental engineering company West Basin MWD since the ally available recycled water in District (WRD) of Southern focused exclusively on water. 1990’s. The company worked order to utilize existing ground- California for their Groundwa- Included on ENR’s list of 2012 closely with the District water extraction assets. Key ter Reliability Improvement Pro- Top 500 Design Firms and Top recycled water customers will gram (GRIP). RMC conducted to market the recycled 200 Environmental Firms, RMC include Art Center College of analysis of recycled water supply water and retrofit customers, works with public agencies and Design, Brookside Golf Course, options, conducted analysis of including expansion of the local communities to develop in- Rose Bowl, and City Parks. recycled water facility options, Carson Plant to serve the novative solutions for managing participated in outreach efforts neighboring refineries. one of the earth’s most vital re- CUTTING EDGE RECYCLED with key stakeholders, and sources. With eight offices and WATER PLANNING procured funding from SWRCB 112 employees throughout Cal- RMC completed a compre- Water Recycling Facilities Plan- ifornia - in Irvine, Santa Monica, hensive recycled water planning ning Program. RMC’s work with Los Angeles, San Diego, Walnut efforts to expand Los Angeles’s GRIP will increase groundwater Creek, San Jose, San Francisco, recycled water systems to recharge in the San Gabriel and Sacramento – RMC has a meet the City’s target of 59,000 Basins strong focus on water recycling. AFY by 2035, with 30,000 AFY for indirect potable reuse via RECYCLED WATER ACROSS WATER RECYCLING IS OUR groundwater recharge and THE STATE BUSINESS CORNERSTONE 10,000 AFY of new non-pota- In the Central Valley, RMC is RMC’s principals include ble uses. RMC worked with working with Del Puerto Water founding members of WateRe- LADWP, multiple agencies and District to evaluate pipeline and use Association and Research stakeholders to identify non-po- river conveyance alternatives Foundation – who continue to table reuse opportunities and for recycled water, including actively serve on committees recycled water demand. These use of the San Joaquin River such as the Indirect Potable included conducting recycled and the Delta Mendota Canal. Reuse Committee and Industrial water conversion assessments RMC evaluated recycled water Use Committee – and have been for over 100 target customers; supplies; market assessment; longstanding members of the resolving existing system reli- institutional, regulatory, and legal Board of Directors of the Wa- ability issues, such as pressure constraints; and conveyance teReuse Research Foundation. alternatives. In Northern Cali- fornia, RMC is working with the CUSTOMER DEVELOPMENT, Sacramento Regional County SERVICE AND CONVERSIONS Sanitation District to determine IN THE SOUTH BAY the feasibility of serving up to RMC has been working 53,000 acre-feet per year of with West Basin MWD since tertiary treated recycled water the 1990’s. The company has to agricultural users, habitat worked closely with the District restoration lands, and managed to market the recycled water wetlands in South Sacramento and retrofit customers, including County. expansion of the Carson Plant to serve the neighboring refin- eries. RMC has assessed the fea- PAGE 4 ASK THE GURU: A Reader Recap As our newsletter begins its February 2011: Why do we December 2012: A lady fourth year, I was surprised to use Pantone 512 to designate from Burbank asked me a see all the great information recycled water? I heard that few weeks back if there are Earle Hartling is contained in the previous ten is- the original LA County color any regulations or state laws the WateReuse sues. One of our reader’s favor- was yellow. regarding the consumption of Guru and has ite columns is “Ask the Guru” recycled water by animals? been answering written by Earle Hartling and a April 2011: When and where was recycled water used for The newsletters can be found reader’s water- summary of the sage knowledge on the Los Angeles Chapter’s page the guru has bestowed on the the first time as a source related inquiries of the WateReuse Association’s readers is in order. Here is a of replenishment water for for the past three years. If you website: www.watereuse.org. As list of questions the guru has groundwater basins in Los have a question for our Guru, always, if you have a question to answered and in which newslet- Angeles County? contact our editors and we’ll ask the Guru, send it to one of ter they can be found. Hopefully Why have I seen make sure Earle bestows his July 2011: our editors and we will get it reading through them will trig- both wet and dry sprinkler wisdom once again. answered. ger some questions of your own. systems that utilize recycled August 2010: Why is tertia- water in the same jurisdiction? ry-disinfected water called Why would a town choose ‘Title 22’ water, when in fact, one or the other? advanced treated water for August 2012: Why can we not groundwater recharge is also flush our recycled water into regulated under Title 22? the storm drain system, with October 2010: I am relatively dechlorination, if the system new to California. Why did we drains to the same receiving switch to calling it “recycled” water as the wastewater plant water when the rest of the does? world calls it “reclaimed?”

Join the 2013 Conference’s Tours and Workshops TOUR: BEHIND-THE-SCENES OF THE TOUR: CARMEL AREA WASTEWATER MONTEREY BAY AQUARIUM DISTRICT AND PEBBLE BEACH COMMUNITY Sunday, March 17, 2013 SERVICES DISTRICT TECHNICAL TOUR 1:00 pm – 5:00 pm Tuesday, March 19, 2012 Tour Fee: $75 1:00 pm – 5:00 pm Limited to 70 people Tour Fee: $45 Transportation to and from the hotel Transportation to and from the hotel Be amazed and entertained by experiencing Visit a microfiltration and reverse osmosis the world-renowned marine life exhibits at the reclamation plant that is reducing salts for turf ir- Monterey Bay Aquarium on historic Cannery Row. rigation. Learn how they solved the algae problem See the operations of the Monterey Bay Aquarium. for Forest Lake, which is an open recycled water Included in this tour will be the chance to learn reservoir. See an updated golf course irrigation about how the aquarium uses fresh sea water in system on some of the most famous facilities in its exhibits and returns it to the Monterey Bay the country. thereby preventing salt loading in the regional san- itary sewer system. Admission includes transpor- tation to and from the hotel and the aquarium as well as full access to all aquarium exhibits.

WORKSHOP: COMMUNICATING POTABLE WORKSHOP: APPROACHES TO SALT AND REUSE MESSAGES FOR PUBLIC ACCEPTANCE NUTRIENT MANAGEMENT PLANS Sunday March 17, 2013 Sunday, March 17, 2013 2:00 pm – 5:00 pm 2:00 pm – 5:00 pm This workshop will look at authentic and mean- Workshop Fee: $75 ingful channels of communicating, and effective This SNMP workshop will focus on the practical messages that could resonate with the public as methodologies that are being used and applied to well as the challenges we will obviously face. the technical analyses that are underway or com- Speakers will provide an overview of new real pleted SNMPs. Several SNMP approaches/meth- time monitoring techniques, a description of odologies will be presented representing a mix successful outreach already underway and a view of basin settings (urban, agricultural, basins with from a newspaper reporter. This is your chance to recycled water recharge, basins with good available learn and ask questions about the future of where data, basins with limited available data, etc). Potable Reuse is headed. Our Members

AECOM Phoenix Civil Engineering, Inc. Black and Veatch City of Pomona Burbank Water and Power Precise Landscape Water Conservation, Inc. California Department of Public Health Psomas California Department of Water Resources RBF Consulting, a Baker Company California Regional Water Quality Control Board Red Wolf Studio California State Water Resources Control Board RMC Water and Environment Calleguas Municipal Water District Rowland Water District Cannon SA Associates Carollo Engineers Sanitation Districts of Los Angeles County Castaic Lake Water Agency City of Santa Monica CDM Smith Sequia Technologies Central Basin Municipal Water District Separation Processes, Inc. (SPI) City of Cerritos Surfrider Foundation CH2M Hill Test America Dudek Three Valleys Municipal Water District Environmental Now United Water Eurofins Eaton Analytical Upper San Gabriel Valley Municipal Water District Forest Lawn Valencia Water Company Glendale Water and Power City of Vernon Irvine Ranch Water District Walnut Valley Water District Kennedy/Jenks Consultants Water Replenishment District of Southern California City of Lancaster WateReuse California Las Virgenes Municipal Water District West Basin Municipal Water District LEE & RO, Inc. Long Beach Health Department Long Beach Water Department Los Angeles Bureau of Sanitation Los Angeles Department of Public Health Los Angeles Department of Public Works Chapter Officers Los Angeles Department of Water and Power Raymond Jay, President Los Angeles Regional Water Quality Control Board Metropolitan Water District of Southern California Metropolitan Water District of Southern California [email protected] MWH Americas, Inc. Kraig Erickson, Vice President NALCO RMC Water and Environment Newhall Land and Farming Company [email protected] Pacifica Services, Inc. Judi Miller, P.E., Treasurer/Secretary City of Palmdale - Public Works Program Management CH2M Hill City of Pasadena [email protected]

Got News? Email articles or ideas to Matthew Elsner ([email protected]) or Shelah Riggs ([email protected])

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