march 2017 volume 17 issue 3 - aspe · president’s report thura zin, cpd, gpd president inside......
TRANSCRIPT
PRESIDENT’S REPORT Thura Zin, CPD, GPD President
inside...inside...
March 2017 Volume 17 Issue 3
Calendar of Events page 2Technical Report page 3Legislative Report page 4CPD Exam info page 4Meeting Minutes page 5
Education Report page 11Membership Report page 13Women of ASPE page 21Mentoring Program page 24ASPE Young Professional page 27
continued on page 20
March 2017
See inside for Details...
Future events will include:
• Product Show!• One Day Seminar• ASPE Golf!!
Date: March 1, 2017
Time: Social - 6:00 pm Dinner - 7:00 pm Place: Monterey Hill Restaurant 3700 Ramona Blvd. Monterey Park, CA (323) 264-8426
Program: MaP® TESTING: 14 Years Old & Growing.
Speaker: Mr. John Koeller Principal at Koeller & Company
This month I want to start with the Golf Tournament update. OC President, Chris McKnight, will step down as the chair of the Golf committee. John Zagorski and Kurt Bramstedt will be co-chairing the golf committee. Thanks to both John and Kurt for stepping in. If you want to sponsor, please see our golf flyer and contact the golf committee. The 2017 Golf Tournament will be on May 12, 2017 at “Brookside Golf & Country Club”. Save the date.
The February meeting was in conflict with AHR Expo, so we were a little short of attendees, 49 only. This month is sure to be an interesting topic. Come and join us at the next meeting.
I would like to thank Mr. Greg Schaper, for his presentation regarding “Filling in the Gaps”. He presented from his point of view as general contractor.
This month we had 3 new members RSVP but only two show up. One had a last minute conflict with work. Please join with me in welcoming new members Diane Cresbaugh from Encon Safety and Ivan Baylon from tk1sc. As we mentioned last month, we gave an ASPE LA shirt to them. So, if you bring someone who interested in joining, bring him/her to the meeting with their application and you and your new member(s) will get a free dinner for that meeting.
May is the BOD election for the upcoming year. Currently all B.O.D. members will be staying on in their same position. If you are interested in running for any position, please let me know by sending me an e-mail before the April meeting so I can prepare for the election with regard to the position you are interested in. Please be sure you send me-mail to me before April. Per bylaw we need to send the Society the new B.O.D. list before end of May, 2017. Also please review ASPE P&O for the position you want to run for so you will familiar with the duties of that position.
ASPE NEWS Page 2
Technical & Social CalendarMAR. 1, 2017 “MaP® TESTING: 14 Years Old & Growing”
(SN #17-03)SPEAKER: MR. JOHN KOELLER
President – Koeller & Company
APRIL 5, 2017 “VARIABLE FREQUENCY DRIVE – DOMESTIC BOOSTER & HOT WATER RECIRCULATING PUMPS”(SN #17-04)SPEAKER: MR. MICHAEL MADSEN
Commercial District Sales ManagerGrundfos Pumps
MAY 3, 2017 “LADWP & WATER METERING SYSTEM”(SN #17-05)SPEAKERS: c/o AMIR TABAKHLos Angeles Department of Water & Power
Note that this meeting will be held at the new office of LADWP, please put this schedule in your calendar. Complete address & direction to be provided later.
MAY 9, 2017 “ONE DAY SEMINAR ON MEDICAL GAS SYSTEM”(SN #17-06)SPEAKER: MR. MARK ALLEN
BEACON MEDAES LOCATION: TBD
MAY 12, 2017 “THE ANNUAL DONALD F. DICKERSON ASPE GOLF TOURNAMENT” – See Flyer for InformationBrookside Golf & Country Club, Pasadena, CA 91103
JUNE 7, 2017 “SOLAR WATER HEATING”(SN #17-07)SPEAKER: MR. SEAN NEMAN
CALCOLAR
JULY 12, 2017 “NSF/ANSI 61 – THIRD PARTY CERTIFICATION AND STANDARDS”(SN #17-08)SPEAKER: MR. JEREMY BROWN
Senior Technical Reviewer- Plumbing DivisionNSF International
AUG. 2, 2017 “PRESS TECHNOLOGY”(SN #17-09)SPEAKER: MR. THOMAS WEBB
Technical ManagerViega – Southern California
AUG. 16, 2017 “ASPE LA-OC PRODUCT SHOW & TECHNICAL SEMINAR”LOCATION: Holiday Inn La Mirada
14299 Firestone Blvd., La Mirada, CA 90638
ASPE NEWS Page 3
TECHNICAL REPORTVivian Enriquez, CPDV.P. Technical
Kook Dean Hal Alvord
John Zagorski
Sheyda OkkeVivian Enriquez
Jeff Atlas
Thura Zin
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The February 1 meeting was a continuation of January 11 meeting and our guest speaker, Mr. Greg Schaper, Director of MEP Services for McCarthy Building Companies, was able to keep 46 people bolted to their seats listening and participating in his presentation on “Filling-in The Gaps”, which in his explanation started during the evolution of a project from inception to construction to turn-over to the Owner. He provided examples on risk conditions that were encountered and to minimize them. On behalf of the ASPE-LA Chapter Board of Directors, we want to thank Greg for a very informative presentation.
On the March 1, 2017 meeting, we are bringing back to you Mr. John Koeller who will be talking about “MaP® Testing – 14 Years Old & Growing”, which to majority of us - engineers, contractors and affiliates can relate to. He will explain the origin of MaP and will explain the process of testing including the media used, and how it influence the plumbing industry. He will also provide information on its progress over the past 16 years, and will detail current status in the market place.
I had been mentioning that reservation for the Table Top is still open. Please let me know, via e-mail, if you are interested. We have availabilities starting May 2017. For
the March Meeting, our Table Top will be See Water, Inc. and it will be presented by Mr. Eric Wallace.
I have one unfortunate news to bring to the membership and that is regarding the postponement and re-scheduling of the one-day seminar on Medical Gas System. I had initially got approval to offer this seminar at the upcoming Product Show & Technical Seminars on August 16, 2017, but was later rejected after I have arranged and confirmed with the speaker, to have this offered and presented at the show. I am now awaiting for the speaker’s availability to give this seminar at another date and will inform the membership when it becomes available. Apologies to all that is looking forward to attend this seminar.
Latest News from the Society’s VP Technical – Mr. David E. DeBord, FASPE, CPD, GPD, LEED-AP, ARCSA-AP:
CPD EXAM NEWS: 2017 Exam Dates and deadlines:- Exam Dates are April 6 and 7, 2017.- Registration opened January 4, 2017, register by logging in on line at Society’s website.- Registration closes on March 24, 2017.
continued on page 20
John FoleyVice President
Tel: (800) 594-3300Cell: (310) 863-5920Fax: (818) 348-4106
ASPE NEWS Page 4
SACRAMENTO – Today (February 8, 2017) the State Water Resources Control Board extended its existing water conservation regulations, which prohibit wasteful practices such as watering lawns right after rain and set a conservation mandate only for water suppliers that do not have enough water reserves to withstand three more dry years.
For additional information, see ANNOUNCEMENTS below.
ANNOUNCEMENTS• State Water Board Continues Water Conservation
Regulations, Prohibitions Against Wasting Water (02/08/17)
• California Water Systems to Provide Lead Testing For Schools (01/17/17)
• Statewide Water Savings Nearly Reach 19 Percent
LEGISLATIVE REPORTKook DeanV.P. Legislative
in November; Most of State Still Experiencing Drought Conditions (01/04/17)
• State Water Board Delivers Report to Legislature on Feasibility of Using Recycled Water for Drinking Water (12/29/16)
• Statewide Water Savings Exceed 19 Percent in October; Most of State Still Experiencing Drought Conditions (12/06/16)
• State Plan Seeks To Make Water Conservation A Way of Life(11/30/16)
Or visit the website: www.waterboards.ca.gov/
IS OPENREGISTRATION
EXAM DATES: April 6 & 7, 2017
2017 CPD Exam
Visit aspe.org/CPDExam for eligibility requirements and to register.
PLUMBING
DESIGNcertified in
CPD Review Manual
Plumbing system design details to help you prepare for the CPD Exam
The CPD Review Manual includes a practice exam and test-taking tips. Order your copy at ASPE’s online store.
ASPE NEWS Page 5
BOARD MEETING MINUTESChristopher Yang, PE, CPD, CFPSAdministrative Secretary
GENERAL MEETING MINUTESChristopher Yang, PE, CPD, CFPSAdministrative Secretary Secretary
Pre-board meeting was held on Monday January 7. Thura Zin, Vivian Enriquez, John Zagorski, Hal Alvord, Jeff Atlas, Kook Dean, Christopher Yang, and Chiara Sulze were on the conference call. The board talked about the upcoming elections. The last day to submit to board for nominations is April 5th. Swearing in will happen in June 3rd.
The meeting continued with the discussion on the golf tournament. Chris Macknight is stepping down and Kurt Bramstedt along with John Zagorski will co-chair.
Product show was discussed as well. It will be held at Holiday Inn, La Malada and a deposit has been placed. Each chapter will recommend two topics for a total of four; from which two to three will be selected. Vendor Flyer and floor plan are in progress and will be done by Chris Macknight. John Zagorski will be the contact person for booth reservation and due collection. He will collect the registration forms and checks. Credit card payments are to be referred to Hal Alvord. March 15th is the deadline for flyers and topic are due March 1st. Vivian will oversee the technical seminar sign up. Continuing education credits will be issued for those attending the seminar and not the product show. Pipe and drape arrangement will be decided by John Zagorski and is due February 14th.
Last, there was general discussion regarding the website, officer training materials, and dinner fees. Thura to meet with Jeff to discuss the website and potential updates. All officer training materials to be reviewed by current officers.
The board meeting was held on February 1st. Thura Zin, Vivian Enriquez, Hal Alvord, Jeff Atlas, Kook Dean, Christopher Yang, Cory Nakanishi, Ron Bradford, Kurt Bramstedt, and David Kelly were present. A review of the pre-board meeting was discussed (refer to above). Dinner fee increase were voted and approved by the board. The new fees are: $30 for cash or check and $35 for credit card. The increase is due to the transaction fees associated with the credit cards. The new fees will take place in March.
There are three new members who will be in attendance; Andy Johnson from Murray Company, Diane Cresbaugh from Encon Safety, and Ivan Baylor from Tk1sc. A welcome shirt will be given to them.
Last, this year’s picnic will be held in Arcadia Wilderness Park on September 16th to 17th and more to be discussed during the general meeting.
Thura Zin brought the meeting to order at 6:47 PM. Past presidents in attendance were Ed Saltzberg, Cory Nakanishi, Hal Alvord, Vivian Enriquez, and Kook Dean. In addition to LA Chapter past presidents, the President of Orange County Chapter, Chris McKnight, was present.
Following to the self-introduction, Thura Zin invited David Kelly to speak on the picnic event. As mentioned previously, the picnic will be held in Arcadia Wilderness Park on September 16th to 17th. David also thanked last year’s sponsors. They are: Kelly Gilford from Spec Sales, Chris Macknight from Custom H2O, Rob Galavise from Dawson, John Bianco from Curb-O-Let, John Zagorski from Mainline Sales, John Brooks from Rayne Water, Roland Gutierrez from Daybreak Technology, Jeff Atlas from Mega Western, Roy Hotta from Takagi, Ira Schumer from Howard C. Fletcher Co., Ron Bradford from Signature Sales, Scott Steindler from Watts, Sandy Morimoto from Hall’s Culligan Water, Rob Zagorski from Lubrizol, and Linda Deunay from Enviro Products West.
The golf event will be held on May 12th at Brookside Golf and Country Club. Currently, looking for shoppers for prizes. Contact the golf committee if interested.
The product show was discussed by Vivian. As mentioned previously, it will be held at Holiday Inn, La Marada on August 16th. Vendor booths will be available by March 1st. The technical topics will be a maximum of two and will be selected by March 1st. General signups will start afterward.
There were general announcements that the next meeting will be MaP Testing by John Koeller, the May 3rd meeting will be held at LADWP, if you are missing CEUs to contact Thura Zin, and board position are open for upcoming elections (see board meeting minutes).
Ron Bradford, the Sergeant of Arms, made the following fines:
Thura - $5, Jeff - $5, Roland - $1, Kurt - $1, Brian Mcdonald - $1, Nick Eckdoahl - $1, Karl - $5, Sherry - $1, Chris Tamayo - $5, Gilbert - $5, Nick - $10, Alex - $5, Greg - $5, and John - $5
continued on page 21
ASPE NEWS Page 6
Alex Jimenez cell: (909) 203-2008 [email protected]
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Tolco / B-LinePipe hangers, seismic systems, and strut systems.www.cooperbline.com
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BraeRainwater harvesting. Complete systems designed to conservewater and help meet yoursustainability objectives.www.braewater.com
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Fox EnvironmentalFox washdown units. Designed to divert all your Wash down water to waste while allowing rainwater to go to storm water.www.foxenviro.com/au
HoldriteThe market leader in pipe support and alignment systems featuring Holdrite, Lockrite, Pexrite Quick strap, and HydroFlamewww.holdrite.com
Just Manufacturing Stainless steel sinks forCommercial, residential andinstitutional applicationswww.justmfg.com
Maax BathLuxury bathroom products:Bathtubs, Showers, Showers Doors, Tubs Showerswww.maax.com
OrionNo hub fittings for acid wastedrainage systems. Rionfusepolypropylene fittings, neutralization tanks, corrosion resistant lab sinks.www.orionfittings.com
PowersWater tempering and process control specialistswww.powerscontrols.com
Watts Drainage / BlücherSpecification drains, floor sinks, interceptors, trench drains, carriers stainless steel drainage systems, floor drains, shower drains. www.watts.com/drainagewww.blucherdrains.com
Sloan Valve Manual and sensor operatedflushometers, Faucets andvitreous china fixtures, handdryers, SloanStone systemswww.sloanvalve.com
Watts Water TechnologiesA complete line of water safety, and backflow prevention products.Regulators, automatic control valves, gate globe and check valves.www.watts.com
Jeff Atlascell: (213) 999-0167
office: (714) 888-2444fax: (714) 888-2448
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Oatey cements, primers, chemicals, Cherne test plugs, Dearborn tubu-lar, Hercules, Harveywww.oatey.com
Commercial & Residential waterheaters both gas & electric.www.hotwater.com
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ASPE NEWS Page 7
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ASPE NEWS Page 8
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ASPE NEWS Page 9
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ASPE NEWS Page 10
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ASPE NEWS Page 11
continued on page 28 - 35
One Member ’s Opinion
EDUCATION REPORTHaig Demergian, PE, CPDV.P. Education
MICROBIAL WORLD AND SMARTLOOP SYSTEM © 2017
Microbiology, as a science is a relatively new, which started to study bacteria, viruses and microbial life at the beginning of 20th Century, after Dr. Louis Pasteur, Dr. Robert Koch and others, demonstrated to academicians and scientific organizations, that all illnesses are the result of activities of viruses or microbes or bacteria.
Viruses and microbes and bacteria are the first form of life on this earth. We are fortunate that they left behind fossils. Based upon studies of ancient sites it is estimated that bacteria, viruses and microbes were present about 3.5 billion years ago. Compared with fossils of “homo sapiens” (ancestors of humans) whose fossils appeared approximately 200,000 years ago, shows the viruses and microbes and bacteria had plenty of time to develop and specialize.
Today we have tens of thousands species of highly specialized bacteria, viruses and microbes living in the water, air, our bodies, underground and elsewhere. This makes the work of microbiologists to find a vaccine, very difficult and time consuming.
For instance: common cold is produced by viruses which enters our body when we inhale. Specialized laboratories work hard to discover a vaccine to be administrated to the population to help our immune
system to destroy the virus.
Discovery of a vaccine, testing it, approvals, packaging and make it available to the population takes an average of 3 to 5 years. When the next epidemic of flu comes, the vaccine produced, is already obsolete, because the new virus is “mutated” and the vaccine is ineffective.
The main reasons they survived for so long is that viruses and bacteria multiply exponentially, asexually and they poses the capacity to “mutate” to resist extreme environmental changes.
I am not a doctor or microbiologist, and my education and experience is in engineering. But I am fascinated and interested, to learn more about bacteria, viruses and microbes. As a Plumbing engineer, I designed many potable hot and cold water distribution systems for various structures. The subject of transmission of viruses, bacteria and microbes in potable water systems, was and is a prime concern of engineering societies as ASHRAE, ASPE and others.
I am concerned also, because Legionella outbreaks are on the rise. CDC reports that about 5,000 cases of Legionella are reported each year in USA. Recent published documents (see ANSI/ ASHRAE 188- 2015 Legionnelosis risk management) suggest that transmission of viruses, bacteria and microbes in potable water systems can be solved primarily by proper design of water systems and proper maintenance. This is a huge responsibility and liability for Plumbing engineers, designers, contractors and owners. Without specific design directions, ANSI/ASHRAE Standard 188-2015, is very confusing and will be a good field of litigation, for lawyers.
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ASPE NEWS Page 12
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The total number in attendance was
49!plus our speaker!
WHO Showed up?Attendance for the February 2017 Meeting...
MEMBERSHIP REPORTJohn ZagorskiV.P. Membership
There are no new members to announce this month. Come on everyone, Wake Up and Smell the Coffee. Let me help you with your New Year’s resolution challenge. All current members will bring in 1 new member this year. Should you fail, I’m sure a fine will be levied, and if you succeed, an award may be coming your way!
ASPE needs your help in recruiting new members! I’m still running the same membership drive program. It’s simple, sponsor a new member, and bring them to one of our monthly dinner meetings with their application & payment, and the chapter will pay for both of your meals for that meeting. Let’s keep the momentum going!
Moving forward into 2017, the Los Angeles Board of Directors have decided to start giving new members a welcome gift. We have not decided on the gift yet however, I should have something more in next month’s newsletter. Film @ 11.
ASPE NEWS Page 13
ATTENTION ALL LOS ANGELESASPE MEMBERS
Should anyone need a current membership application, please do not hesitate to contact me as your VP Membership at [email protected]. You are also welcome to call me at 562-447-4561.
See you all again in March.
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ASPE NEWS Page 14
MORE INSIDE™ :: VALUE BEYONDOUR PIPING SOLUTIONS
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ASPE NEWS page 15
Welcome to the NewAge of Epoxy Soil Pipe
APPLICATIONSMedical FacilitiesHospitals, Trauma Centers, Laboratories, Dialysis Clinics, Research Facilities
Enhanced DWVKitchens, Bars, Soda Machines, Grease Interceptors, Waterless Urinals, High Efficiency, Casinos
Destructive Elements & EnvironmentsMaritime, Corrosive Soils, Rainwater, Boiler Rooms, Sustainable Buildings with waste volumes flowing from 20% to 50% less
High Occupancy StructuresHigh Rises, Malls, Shopping Centers, Schools, Colleges, Universities, Arenas, Stadiums, Theatres, Convention Centers, Office Complexes
Assisted Living CentersConvalesent Homes, MOBs
COSTA cost effective alternative to CPVC, acid waste, glass pipe, duriron, & stainless steel. We offer a solution to existing pipe materials, sizes & specifications.
EPOXY COATING TESTING1. Salt Spray2. Chemical3. High temperature waste testing4. Temperature cycling testing5. Flame resistant
INSTALLATIONStandard installation practices
PRODUCTSNo Hub from 1-1/2” to 15” & Couplings
SPECIFICATION & STANDARDSASTM - A888CISPI 301ASTM 1277, 1540 & C564 - Regular & HD CouplingsEN 877 Coating Specification & Testing
12630 West Airport Blvd. • Suite 100Sugar Land, TX 77478 • Phone: (281)565-0928Fax: (281)565-0929 • Email: [email protected]
For the life of the building.
Toll Free: 1.866.791.7055 • NewAgeCasting.com03/14/16/1.0/LA
ASPE NEWS page 16
Advanced Aquaduck: Bow Pipe & Fittings: Bradley Corporation:
www.aquaducksystems.com www.bow-group.com www.bradleycorp.com
Chicago Faucets: Elkay Manufacturing: Environmental Water Systems:
www.chicagofaucets.com www.elkayusa.com www.ewswater.com
Gastite: ISIMET, LLC:
www.gastite.com www.globalflexmfg.com www.isimet.com
Jomar Valve: Josam: Mapa Products:
www.jomar.com www.josam.com www.mapaproducts.com
McGuire Manufacturing: Multi Fittings: Rectorseal Corporation:
www.mcguiremfg.com www.multifittings.com www.rectorseal.com
Scranton Products: Stern-Williams Company: Watco Manufacturing:
www.scrantonproducts.com www.sternwilliams.com www.watcomfg.com
Woodford Manufacturing:
www.woodfordmfg.com
Flowguard Gold & Superflo CPVC pipeand fittings along with Superpex brandpipe with pollyalloy insert fittings. ABS
DWV & PVC solvent weld fittings
HDPE bathroom partitions, lockers,shower stalls, dressing compartments &
vanities
Rectangular underwalk drainage pipeand fittings, water heater pans and
Duck-Puller compression fitting removaltool
Quality line of thermostatic mixingvalves, tankless water heaters,
washfountains, emergency eyewashequipment, showers, lavatories, ligature
and patient care products
Commercial, industrial, institutional,food service, electronic, laboratory &
light commercial faucets
Stainless steel and E-Granite sinks,faucets, water coolers, drinking
fountains and EZH2O bottle fillingstations
Commercial and residential lead freeball valves. Industrial valves, Add-A-
Valve, isolation vavles, unions, checks,gates, actuators, butterfly valves &
accessories
Laboratory service panels, utilitycontrollers and solenoids
Commercial drainage products,stainless steel Push-Fit pipe and
fittings, grease interceptors, trenchdrains and siphonic drains
Full array of adjustable nylon based rooftop pipe and mechanical supports
Quality specialty products includingNokorode pastes. fluxes and pipe thread
sealants. Metacaulk firestop, Clean Checkand air admittance valves
Terrazzo mop sinks and shower floorsalong with a wide range of outdoor
drinking fountains
Commercial / residential wall, roof andyard hydrants designed for use in both
warm and freezing climates
Corona, Ca 92882 Fax: 951-371-3635
1450 Railroad Street Phone: 951-371-8848
Complete line of bath wastes, tub trimkits and lavatory drain accessories
Plumbing specialty items including castbrass p-traps, sink and lavatory drainstrainers, Pro Wrap and heavy pattern
supply stops
Most complete line of whole house waterfiltration and conditioning systems. Point ofuse drinking water filtration systems, watersoftener systems, replacement filters andInline water heater protection systems.
Top quality stainless steel, bronze andteflon hose assemblies in sizes ranging
from 1/4" to 12" in diameter
Global-Flex Manufacturing:
www.rencosales.com
Gasketed, heavy wall, solvent weld,C900/C907 pressure and non pressure,
ultrarib, backwater PVC drainagefittings
Flexible corrugated stainless steeltubing, fittings and accessories
ASPE NEWS page 17
1681 W. Second St., Pomona, CA 91766Tel: 626-797-9710 Fax: 626-798-4659
Dawson Company partners with Lochinvar and proudly offers Lochinvar’s full product line.
• 10 Models to Choose• 125,000 - 800,000 Btu/Hr• SMART SYSTEM™ Operating Control• Condensing Stainless Steel Heat Exchanger• Package with Lock-Temp Tank• 96% Thermal Efficiency• 5:1 Turndown• PVC/CPVC/Polypropelene or Stainless Steel up to 100 equivalent feet
• Designed and Certified for Outdoor Use• 5:1 Turndown• Stainless Steel Heat Exchanger• SMART SYSTEM™ Operating Control• Perfectly Paired for Use with Outdoor Insulated Storage Tank
Insulated Outdoor Lock-Temp Storage Tanks• Lock-Temp Baffle• Magnesium Anode Rods• Glass-Lined Steel Tank• ASME 125 psi Working Pressure - Standard• ASME 150 psi Working Pressure - Optional• Custom Sizes - Vertical or Horizontal• 80% drawdown Capacity
WWW.DAWSONCO.COM or email us at:[email protected]
ASPE NEWS page 18
Approved for more applications than any other press system
For residential, commercial and industrial projects, Viega provides more
press fitting system solutions for engineers than any other manufacturer.
The Viega MegaPress® system for black iron is the only press fitting
solution for both hydronic and gas applications. Viega MegaPressG
approvals/listings for natural gas include UPC, CSA, ICC, TSSA and LA
City Lab. Viega MegaPress approvals/listings for hydronic, fire protection
and compressed air systems include UMC, UL, FM, ICC and TSSA. Viega
also offers the first press fitting for PEX. Approved in the City of LA, Viega
PEX Press fittings provide secure connections and a guaranteed method
to identify unpressed connections, the Viega Smart Connect® feature.
Contact your local Viega representative to learn more:
Tim Shippen - [email protected]
David Carneal - [email protected]
Viega MegaPress M-140008 Viega PEX Systems RR05709 1-800-976-9819 | www.viega.us
ASPE_LA_CALI_Newsletter_halfpage.indd 1 6/18/14 10:40 AM
ASPE NEWS page 19
page 14 ASPE NEWS
Ric SeRafin Tel. 626.797-9710 PresidenT Fax 626.798-4659 C.e.O email: [email protected]
www.dawsOnCO.COm
2124 n. linCOln ave. P.O. BOx 10001 alTadena, Ca 91001-5450
APCO………………………………. Silent CheCk VAlVeS, Air VAlVeS
Bell & GOSSett……………….. hydrOniCS, PumPS, heAt exChAnGerS
Cemline…………………………. PACkAGed WAter heAterS, tAnkS
dAVey PumPS…………………… PreSSure BOOStinG PumPS
dOmeStiC PumP……………….. COndenSAte hAndlinG equiPment
dOW………………………………. inhiBited GlyCOl heAt trAnSfer fluidS
flOmAtiC……………………….. leAd free BACk flOW PreVenterS
GOuldS.......................................... SPeCiAlty & WASteWAter PumPS
hOffmAn SPeCiAlty…………. SteAm & hOt WAter SPeCiAltieS
hydrOmAtiC…………………… SuBmerSiBle SumP & SeWAGe PumPS
lAArS heAtinG SyStemS…… WAter heAter And BOilerS
mC dOnnell & miller………. leVel, flOW, SAfety COntrOlS
mitSuBiShi eleCtriC……….... VAriABle SPeed driVe
Pete’S PluG…………………….. temPerAture-PreSSure teSt StAtiOnS
refriGerAtiOn reSeArCh..... refriGerAtiOn PiPinG SPeCiAltieS
SlAnt-fin……………………….. finned tuBe rAdiAtiOn & BOilerS
WAttS rAdiAnt……………….. rAdiAnt flOOrS/SnOWmeltinG
AlSO rePreSentinG: dAnfOSS, hOlBy VAlVe, J.l. WinGert, r.S. COrCOrAn And WekSler GlASS thermOmeter CO.
(323) 686-1817(626) 401-0717
E-Mail: [email protected]. Lic. No. 453980
GARY REDCHERPRESIDENT
5515 A. North Peck Road • Arcadia, California 91006 • FAX (626) 401-9034
GEORGE KAUFFMAN PLUMBING
GARYREDCHERPLUMBINGCOMPANY DBA
2 Saddleback Cove • P.O. Box 1088 • Travelers Rest, SC 29690 • Phone (864) 834-4102 • Fax (864) 834-3518 • E-mail: [email protected]
T S
For more than half a century T&S Brass has set thestandard for excellence in the commercial plumbingindustry. Since 1947, we’ve earned a reputation forunparalleled craftsmanship and service.Today,T&S
produces a full line of faucets, fittingsand specialty products for thefoodservice, industrial, commercialplumbing, and laboratory markets allacross the world.T&S engineers have
the expertise to custom design certain parts tomeet your specific needs. And thanks to ourexclusive 24-hour Quick Ship program, all ordersgo out the same day they’re placed. Built into eachof our products is a pride in craftsmanship and acommitment to customer service that make T&Sthe most reliable plumbing supplier in the industry.
YO U C A N ’ T S P E L L C R A F T S M A N S H I P W I T H O U T T & S .
T&S plumbing products represented in Los Angeles by:Price Enterprises 562.803.8833Specification Sales (909) 594-7088
CPMCACalifornia Plumbing & Mechanical
Contractors Association
645 West 9th StreetSuite 700Los Angeles, CA [email protected]
Toll Free: (877) 481-3040Tel: (213) 417-9177Fax: (213) 417-9180
www.cpmca.org
Chip MartinExecutive Director
(562) 921-6770FAX: (562) 921-8150
13450 Imperial HighwaySanta Fe Springs, CA 90670
Ken Borgquist
ASPE NEWS page 20
Remember that March 11th, 2017 is World Plumbing Day. World Plumbing Day is an international event, initiated by the World Plumbing Council each year to recognize the importance that plumbing plays in societal health and amenity.
Hey all female LA members, you are a part of the W.O.A. and there are various programs WOA is working on. Please contact Stacey Kidd.
Many ASPE Members suffer unexpected hardships that strain their relationships, careers, and finances. In the spirit of family and community, ASPE has launched ASPE Cares to help get the word out about Members in need and asks others to consider donating to these causes.
Remember, CPD exam registration is now will be closed at March 24th. Make sure to register before deadline. If you need help, let us know. We’ll coach you so you can pass the exam.
This year’s (2017) Technical Symposium is in Montreal, QC, Canada, October 19th to 22nd. If you are planning to attend, make sure your passport is valid. If needed, renew your passport.
Once again, I like to thank all of you who attended last month’s meeting. So be sure to attend, this month’s meeting too! That is all for now. See you at the March meeting.
Remember that ASPE has several resources available to help you to prepare for the exam. These include review manual, webinars, practice tests and other tools to help you to pass the test!
Plumbing PE Working Group (WG):The WG is making progress and we have found a new approach. It entails demonstrating the Plumbing Engineer is a vital member of any Design Team. We don’t need a PE designation for “notoriety” or “recognition”, but to show that someone is qualified and trained to hold a PE in Plumbing Engineering. This helps to protect public health and should be done by qualified individuals.
Watch for updates.
President: continued from page 1
VP Tech: continued from page 3
ASPE 2017 TECHNICAL SYMPOSIUM:Will be held on October 19-22, 2017 at Hotel Bonaventure in Montreal, Quebec. Everyone knows this is where the top Plumbing Engineers and Designers will be in October. The educational program for the Technical Symposium is taking shape. Our committee members and our Director are building the technical sessions. There will be a few surprises again, and we hope that you take advantage of this as it is the best bangs for the buck out there for technical training in Plumbing Engineering. The topics are geared to be of interest not only for beginners but for all levels of the plumbing design profession. Sign up early and get the best deal!!
Latest news from the ASPE Pipeline, volume 10, No. 3, February 2, 2017:
Check out our new Affiliate Sponsor portal!ASPE's Affiliates now have a dedicated space on aspe.org to share news, case studies, new products, and more information about their companies. Just go to https://aspe.org/affiliates to learn more about our Sponsors and how to join the Affiliate Sponsor program.
Just announced: ASPE's Revit workshop is traveling to HoustonOn May 11, our full-day, hands-on Revit MEP 2017 workshop will visit Houston to help local plumbing system designers take their projects to the next level. The class is limited to eight people and offers 7.5 hours of continuing education credit. You can find the course outline and registration details at aspe.org/revit2017.
Sustainable design case studies are neededASPE Journal and Plumbing Engineer magazine are looking for plumbing system design case studies to publish in upcoming issues. Priority will be given to those that discuss innovative, nonproprietary design techniques. To submit your case study, contact [email protected].
Presentation boot camp is being held March 29 in SeattleThis popular full-day workshop will help you understand your audience, tailor content, relate the benefits of your services to potential clients, deliver persuasive arguments both verbally and non-verbally, close with confidence, and effectively answer follow-up questions. Registration is now open at aspe.org/presentation-boot-camp-workshop.Special offer for nonmembers: If you register for this workshop and join ASPE, you will save $100 off the nonmember registration fee!
continued on page 22
ASPE NEWS page 21
The table top was on grease interceptors by Ira Schumer. Gravity interceptors have no efficiency listing while hydromechanical interceptors are required to be 90% efficient to be listed.
Greg Shaper started the presentation describing the team of a project consisting of the owner, architect, engineer, general contractor, sub-contractor, and manufacturer representatives. He mentions how risks generally in the form of money has a trick down affect and is generally through change orders from the sub-contractors and general contractors.
He continues by mentioning how risks can be mitigated by the sharing of ideas amongst the team. The core team can get together and share lessons learned such as prior experiences, product lines, and conditions in the field. For the success of projects with a general maximum price (GMP), it requires all members to be participating actively and involved.
From a general contractor perspective, he describes how the general contractor can aid such as sequence of event planning with sub-contractors for installation and a common-sense check along with helping the architect to listen to the engineers. As an example, he cites a current project with Arup and how the biggest challenge he’s had so far has been the mentality of the detailers where it’s the “do it once, do
General Minutes: continued from page 5 it right” but with a build design project, the detailers are working with the architect and the many changes that are associated with the design process. He states that keeping the detailers motivated when arrchitectual changes occur has been a challenge.
He continues by describing how when he sees “NIC” or “by others”, several questions come to mind such as is it real?, who is doing it?, how is it to occur, When?, What is it?, and What’s the plan?. During constructability reviews, he looks at specifications, details, schedules, and floor plans are last. He describes how important active listening is especially during conflict and challenges to find an equitable solution.
The meeting was ended with a raffle. The prizes were provided by: • Brian Reel – Symmons• Jeff Atlas – Delco Sales• Anne Yardley – Elmco Dudley• Ira Schumer of Howard Fletcher Co.• Ron Bradford of Signature Sales• John Brooks – Rayne Water Systems• Alex Jimenez of Delco Sales• Linda Deunay – Enviro Products
Thank you to all who attended.
Sponsored by
Women ofASPE
To join WOA, email [email protected] more information, visit aspe.org/woa
Dedicated to engaging, retaining, and advancing women in the plumbing design industry through:
3 Mentoring programs3 Membership outreach3 Partnerships with industry-related
associations 3 Educational and leadership offerings
And we have the extensive product line to prove it.When you’re specifying for the next big job, you’re also putting your name on the line. That’s why T&S off ers a vast selection of high-quality products that meet required codes and compliances — no matter the application. And with a companywide commitment to staying at the forefront of today’s evolving industry, it’s no wonder engineers everywhere rely on T&S when it matters most.
For in-depth product information, crossover assistance and other helpful resources, visit tsbrass.com.
PLUMBING.
WE KNOW
T&S plumbing products represented in Los Angeles by: Specifi cation Sales - 909-594-7088
TSB_0592 2015 ASPE Pubs.indd 8 12/18/14 10:23 AM
ASPE NEWS page 22
VP Tech: continued from page 20
Important notice regarding World Plumbing Day and the Chapter Award of MeritThis year, World Plumbing Day (March 11) falls on a Saturday. If your Chapter was planning on doing a presentation on plumbing engineering at a local school on World Plumbing Day to earn Award of Merit points, you may do the presentation on the preceding Friday (March 10) or the following Monday (March 13). ASPE will accept a presentation on either day toward the Award of Merit, which gives you two possible days to earn points this year. ASPE's PowerPoint on plumbing engineering can be found in the education section of the Chapter Officers Resource Page: aspe.org/OfficersEducation.
ASPE welcomes new CEU ProvidersWe are pleased to announce that Fiber Technology Corporation, NSF International, Process and Water, and Pentair Thermal Management have joined our CEU Provider Program. As official ASPE CEU Providers, they are able to offer continuing education units for their professional development programs, which can be used toward CPD and CPDT recertification. To contact our CEU Providers, go to aspe.org/ceuproviders.
ASPE NEWS page 23
Thermometers, Pressure Gauges& Instruments
Stainless Steel & Terrazzo Plumbing Fixtures
Eyewashes, Eye/Face Washes& Emergency Drench Showers
Vacuum Plumbing Systems for Correctional, Commercial
Applications, Water Conservation and Infection Prevention
Polypropylene (PP-R) Pipe for use in pressurized plumbing and mechanical
systems of all sizes
Tankless/Instantaneous Electric Water Heaters
Trap Primers, Water Hammer Arrestors & Accessories
Access Panels & Lead Roof Flashings, Roof Access Hatches
Packaged Pumping SystemsFire Protection Products: Fire Extinguishers,
Hose & Valve Cabinets
Drainage Products & Trench Drains& Oil/Water Separators
Thermostatic Mixing Valves
Low NOx Water Heaters & Boilers, Hot Water Storage Tanks
& Solar Thermal Equipment
Cast Iron, PVC, ABS, & CPVC Pipe & Fittings for Plumbing& Industrial Systems
Water Cooler, Traditional & Contemporary Outdoor Drinking
Fountains, Bottle Fillers, Hydrants& Hydration Station for
indoor/outdoor Application
Bronze, Brass & Cast Iron, Gates, Globes & Checks, Ball Valves, Cast Iron Butterfly Valves & High Perfor-
mance Butterfly Valves
Anne Yardley [email protected]
Stainless Steel Surgical Scrub Sinks, Hospital, Patient Care Systems & Behavioral Healthcare Products
Sump, Effluent & Sewage Controls, Engineered Customer Controls, Embedded Controls, Ceramic
Filtration Solutions
Couplings: No-Hub, No-Hub Heavy Weight, Specialty, Flex-Seal, End Caps
Digital Thermostatic Faucets & Showers.
15070 Proctor Ave., City of Industry, CA 91746 (626) 333-9942 p (626) 855-4811 fwww.elmcoduddy.com
ASPE NEWS page 24
Joe Cunningham, LEED-APDirector, West anD northWest regions
ZURN PLUMBING PRODUCTS GROUP1801 PittsburGh avenue
erie, Pa, u.s.a. 16502
PHONE: 909-467-8107CELL: 714-321-8842
FAX: 805-226-2513E-MAIL: [email protected]
www.zurn.coMZURN ENGINEERED WaTER SOLUTIONS
Alex Jimenez
5375 E Hunter Avenue Anaheim, CA 92807 Phone: 714‐888‐2444 Fax: 714‐888‐2448
Cell: 909‐203‐2008 E‐Mail [email protected]
Jeff Atlas
5375 E. Hunter Avenue • Anaheim, CA 92807Phone: 714-888-2444 • Fax: 714-888-2448
Cell: 213-999-0167 • E-Mail: [email protected]
MentoringProgram
ASPE
Connecting ASPE members who have a particular skill set with others who want to acquire the same skills to achieve their personal and professional goals.
Become a mentor or mentee today!
To learn more, visit aspe.org/aspe-mentoring-program
ASPE NEWS page 25
Cer5fied to NSF/ANSI 350
Greywater Recycling
• Patented Membrane • Simplified MBR Technology • Low Maintenance • No Added Chemicals • Scalable • Remote Monitoring
wa
115 E. Palmer Avenue, Unit C
Glendale, CA 91205-3186
✦ Submersible and dry pit non-clog sewage, effluent and wastewater pumps✦ Grinder pumps, cutter pumps, portable dewatering pumps✦ High temperature and corrosion resistant pumps✦ Axial and mixed flow submersible pumps✦ 10 GPM to over 10,000 GPM, 1/2 HP to over 500 HP
✦ Submersible, vertical, and dry pit sewage and sump pumps✦ Condensate return, boiler feed, and circulating pumps✦ Submersible and vertical grinder pumps, “Slicer” pumps, “Scum Blaster” sys-
tems.
REPRESENTING:
4/05
SERVING THE BUILDING TRADES SINCE 1962
✦ Control panels, alarms ✦ Custom fabricated steel covers and frames✦ Fiberglass sump basins ✦ Elevator sumps, holding tanks, and alarms✦ Level sensors
ACCESSORY LINES:
115 E. Palmer Avenue, Unit C Tel: 818.244-5582
Glendale, CA 91205-3122 Fax: 818.247-0083
www.weilaquatronics.com [email protected]
CALL TOLL FREE:
1-800-74-PUMPS(1-800-747-8677)
weil aquatronicsEngineered Pumpsand Hydronic Equipmentwa
weil aquatronicsEngineered Pumps
and Hydronic Equipment
✦ Variable speed booster system packages✦ Submersible pumps and stainless steel multi-stage centrifugal pumps✦ World’s largest manufacturer of circulator pumps✦ Variable speed electric motors and state-of-the-art controls
✦ Inline, end suction, and double suction circulating pumps✦ Turbine, axial, and mixed flow pumps✦ Enclosed shaft and submersible sump and sewage pumps
✦ UL- and ETL-listed packaged variable and constant speed pumping systems✦ Domestic water, HVAC, irrigation, and fire pump packages✦ Custom engineering and design capabilities✦ Each system full factory-tested and warranted
✦ Non-chemical water treatment using ozone technologies✦ For cooling towers and other open systems, lakes, fountains, aquariums, and
swimming pools✦ AquaPak™ emergency water supply packages for critical facilities✦ CleanStream™ cooling tower filtration packagesAquaPak™
✦ Corrosion-resistant and chemical pumps✦ Solids handling, portable, and construction pumps✦ Dewatering, grinding, and shredding models
✦ Chemical-free cooling tower/condenser water treatment✦ Reduces energy, maintenance, water and sewer costs✦ Controls bacteria, corrosion and minerals in recirculating water systems
✦ HVAC specialties✦ Triple duty valves✦ Suction diffusers✦ Expansion tanks
✦ Butterfly valves✦ Heat exchangers✦ Flow metering devices
✦ Air separators✦ Flex connectors✦ Strainers✦ Hydropneumatic tanks
PUMP COMPANY
SERVING THE BUILDING TRADES SINCE 1962
Engineered Pumps, Hydronic,and Water Treatment Equipment
CALL ToLL fREE:Tel: 818.244.5582Fax: [email protected]
800.74PUMPS(800.747.8677)
Cer5fied to NSF/ANSI 350
Greywater Recycling
• Patented Membrane • Simplified MBR Technology • Low Maintenance • No Added Chemicals • Scalable • Remote Monitoring
Cer5fied to NSF/ANSI 350
Greywater Recycling
• Patented Membrane • Simplified MBR Technology • Low Maintenance • No Added Chemicals • Scalable • Remote Monitoring
Solving water scarcity and quality problems one building at a time
Our water challenges are solvable! • Rain water collec5on • Grey water recycling • Storm water management
High performance, easy to maintain and durable
products and services with strong water management
exper5se
Solving water scarcity and quality problems one building at a time
Our water challenges are solvable! • Rain water collec5on • Grey water recycling • Storm water management
High performance, easy to maintain and durable
products and services with strong water management
exper5se
Solving water scarcity and quality problems one building at a time
Our water challenges are solvable! • Rain water collec5on • Grey water recycling • Storm water management
High performance, easy to maintain and durable
products and services with strong water management
exper5se
Cer5fied to NSF/ANSI 350
Greywater Recycling
• Patented Membrane • Simplified MBR Technology • Low Maintenance • No Added Chemicals • Scalable • Remote Monitoring
Cer5fied to NSF/ANSI 350
Greywater Recycling
• Patented Membrane • Simplified MBR Technology • Low Maintenance • No Added Chemicals • Scalable • Remote Monitoring
Bioreactor Tank
Treated Water Tank
ASPE NEWS page 26
Boss/Accumetricwww.accumetricinc.com/boss
Adhesives, Sealants & Compounds.
Christy’s Enterprisewww.TChristy.com
Solvents, Sealants, Cements,Lubricants, Job Site Essentials, Copper Fittings, Marking Products, Handtools, Geotextiles, Polywrap & Waterworks Specialties.
Crispin Valveswww.crispinvalve.com
Air, Check, Butterfly & Plug Valves.
Ferncowww.fernco.com
Flexible Couplings, Drainage & Plumbing Systems.
Ideal Tridon www.idealtridon.com
No-Hub Couplings, Hose & Specialty Clamps.
Leonard Valve Companywww.leonardvalve.com
Mixing Valves & Water Temperature Controls.
Matco-Norcawww.matco-norca.com
Valves, Fittings, Pipe Nipples & Plumbing Specialties.
Metal Productswww.metalproducts.com
Metal Plates, Straps, Hangers, Stops & Collars.
Royal Building Productswww.royalbuildingproducts.com
Water, Sewer & Drain Fittings.
Zurnwww.zurn.com
Drainage (Commercial, Chemical & Trench), Carriers, Interceptors, Hydrants, Commercial Fixtures, Flush Valves, Faucets, Tubular Brass, Showers, Sinks & Basins and PEX.
Zurn Wilkinswww.zurn.com
Backflow Preventers, Pressure Reducing Valves, AutomaticControl Valves, Strainers, Shut-Off Valves, Relief Valves and Thermal Expansion Products.
0415
Southern California
John Zagorski 562.447.4561
ASPE NEWS page 27
We want YOU to join our group!AYP is dedicated to the needs of plumbing designers 35 years old and younger. Your local ASPE Chapter is busy organizing exciting opportunities to help you excel in your career:
» Partnerships with other industry groups » Social and networking events » Professional development opportunities » Mentoring programs » And more!
Visit aspe.org/ayp to get involved.
ASPE YOUNGPROFESSIONALS
ASPE NEWS page 28
It also will require additional design fee, and increase the cost of construction, to comply with all
the recommendations included in ANSI/ASHRAE Standard 188-2015, especially for
construction of health care facilities.
Center for the Disease Control (CDC) describes Legionella Pneumophila as respiratory disease
caused by a bacteria called Legionella. The bacteria were discovered after a 1976 outbreak in a
Philadelphia Convention center of the American Legion. A total of 127 were affected from a
type of pneumonia, and 12 died. For more information about Legionella history and outbreaks,
review cdc.gov/legionella.
I read several proposed solutions to limit or stop the growth of Legionella bacteria in plumbing
systems. Some of them suggest temporarily increasing the hot water temperature to 160°F and
re-circulating the super hot water, throughout the system. This is supposed to kill all the bacteria
in the plumbing system (see Fig. 5), but in the mean time, will make the hot water system subject
to scalding especially young children, older persons and people with disabilities. Unfortunately,
recirculation of super hot water will not reach the entire piping system, for existing buildings,
which were installed with a lot of “dead ends”.
All vertical branches (see Fig. 3) serving plumbing fixtures will not be affected by the super hot
water. These “dead ends” will contain enough live bacteria to start new colonies of millions
bacteria. In addition, since plumbing systems are “open systems”, every time a plumbing fixture
is used, new bacteria will be admitted in the system from municipal water system. We know that
municipal potable water is allowed to have small percentage of Ecoli and other bacteria. If
temporary increase in water temperature will be the procedure to destroy bacteria, then each
fixture using hot water must be equipped with a “point of use ”thermostatic mixing valve”, to
limit delivery of hot water to the fixture at 105°F to 110°F. Also, the water heater, or other
equipment providing hot water, shall be capable to deliver water at 160°F.
Another suggestion to control bacteria, is to temporarily add additional chlorine, and recirculate
in the plumbing system of super chlorinated water. The situation with the “dead ends” (see Fig.
3) mentioned above will apply, and the intention to kill all bacteria will not work.
Definition of potable water
The big puzzle in my mind is that the acceptable definition of potable water to be furnished by
water purveyors is not pure H2O. The EPA definition of potable water allows small amounts of
various minerals and salts, plus a small amount of E coli (which is a species of bacteria).
For instance, potable water, delivered by Los Angeles Department of Water and Power (DWP),
after all water treatments, includes various quantities of chemicals such as: carbonates, bromate,
fluoride, halo acetic acids, lead, trihalomethanes, and coliform bacteria among others.
Exponential growth of bacteria
All bacteria reproduce by exponential, asexual reproduction, which results in cell division. We
know that single cell bacteria have extremely rapid way to multiply. For instance, one bacterium
will divide, and now we have two. These two will divide again and we have four. Four will
Education from page 11
continued on next page
ASPE NEWS page 29
divide again and we have eighth. This is called exponential growth. This process of
multiplication repeats, and in a matter of few hours the new colony of millions of bacteria is
formed.
In the lab the growth of bacteria was monitored, and in the average, they found several phases:
1. Lag phase. Bacteria initially adjust to the new environment (test tube or dish). About 8
hours.
2. Exponential phase. Bacteria start dividing. About 18 hours.
3. Stationary phase. When the space becomes too small or the nutrition is exhausted,
bacteria stops to grow. About 5 hours.
4. Death phase. Eventually bacteria show loss of viability and dies. About 10 hours.
Water piping for HVAC
Water piping serving HVAC projects (hot water and chilled water) is a “closed system”, where
the water filled at the beginning, is continuously re-circulated. Make-up water, in small
quantities, is added to compensate water lost due to leakage of the system. The water is
maintained at temperatures of 180-200°F, which kills bacteria. Special chemicals (bactericides)
can be added to the system to keep bacteria from multiplication or kill them.
Potable water piping.
Potable water piping serving Plumbing projects is an “open system”, where every time a faucet is
open for flushing a Lavatory, WC, Sink, Urinal, etc., a fresh quantity of municipal water is
admitted into the system. This fresh water admits in the Plumbing systems: Salts, impurities and
bacteria allowable in the municipal potable water systems, furnished from the City mains.
Therefore, the proposed procedures to prevent growth of bacteria for HVAC projects must be
different than the procedures for Plumbing projects.
Some bacteria produce a “biofilm”, which will deposit inside the pipes, and will protect other
bacteria covered by “biofilm” from being destroyed by biocides or temporary super hot water
(160°F) circulated occasionally.
The way I see it, the water entering the building from municipal piping should be free of any
bacteria, viruses or microbes and to have minimal residual salts, minerals or other chemical
compounds. For instance: minerals, as calcium carbonate (CO3Ca) or magnesium carbonate
(CO3Mg), will eventually deposits inside the pipes and equipment, will produce a scale, which
will increase the friction loss (more energy to move the water), will corrode the pipe and will be
an excellent place for bacterial development. Various USA zones contain water with high
concentration of these compounds (hard water). Removing them from water entering the
building will save a lot on energy and maintenance.
Plumbing water piping disinfection.
continued on next page
ASPE NEWS page 30
Pipes and materials used for potable water piping systems shall be certified to comply with NSF
(National Sanitation Foundation) Standard 61.
Piping shall be delivered at site with caps on all open ends and stored to prevent contamination
with foreign particles as sand, dust, rust, etc.
At the end of working day, all open pipe ends shall be capped to prevent contamination.
A thorough flushing and disinfection of plumbing piping system, in accordance with AWWA C
651 or as required by Code, with chlorine or other bactericides, and final flushing must be
performed before plumbing piping is accepted to be used by the occupants.
After disinfection, samples of water shall be collected and submitted to a Certified Lab to
determine the concentration of bacteria. If bacteria are detected, the procedure shall be repeated.
Fig, 5 shows the relation of water temperature and life of bacteria. This table is applicable for
CW and HW.
Also, water entering the building from municipal piping, should have a device, for instance a UV
(Ultra Violet) generator, (See Fig. 4) to destroy all bacteria and viruses for potable water,
supplied to the building occupants.
Potable water systems designed and installed based upon traditional practices (Fig. 3) include
uncounted number of “dead ends”, serving plumbing fixtures, water hammer arrestors,
flushometer valves, equipment, etc. Bacteria once admitted in the Plumbing Systems will be
very difficult, if not impossible, to destroy them.
A recent study performed in a hospital in Sherbrooke, Canada determined that heat exchangers,
installed to conserve energy, promoted growth of Legionella in the hot water supply. The study
appeared in the Journal of the Society for Healthcare Epidemiology of America. The conclusion
was: Remove heat exchangers. Reason: “No energy or water savings are worth a human life”
Water Management Plan (WMP)
ANSI/ASHRAE Standard 188-2015 requires that all buildings, except single family, shall have a
WMP.
We should differentiate WMP for existing buildings from WMP for new buildings.
Reason:
Existing buildings plumbing systems were designed and installed with no special attention to
WMP.
New buildings plumbing systems should be designed and installed to comply with new rules to
restrict or limit exponential multiplication of bacteria or other pathogens in plumbing systems.
Building Owners and Managers, as responsible parties, should have a plumbing system which
can be monitored and disinfected, if necessary. This can be accomplished by proper design.
divide again and we have eighth. This is called exponential growth. This process of
multiplication repeats, and in a matter of few hours the new colony of millions of bacteria is
formed.
In the lab the growth of bacteria was monitored, and in the average, they found several phases:
1. Lag phase. Bacteria initially adjust to the new environment (test tube or dish). About 8
hours.
2. Exponential phase. Bacteria start dividing. About 18 hours.
3. Stationary phase. When the space becomes too small or the nutrition is exhausted,
bacteria stops to grow. About 5 hours.
4. Death phase. Eventually bacteria show loss of viability and dies. About 10 hours.
Water piping for HVAC
Water piping serving HVAC projects (hot water and chilled water) is a “closed system”, where
the water filled at the beginning, is continuously re-circulated. Make-up water, in small
quantities, is added to compensate water lost due to leakage of the system. The water is
maintained at temperatures of 180-200°F, which kills bacteria. Special chemicals (bactericides)
can be added to the system to keep bacteria from multiplication or kill them.
Potable water piping.
Potable water piping serving Plumbing projects is an “open system”, where every time a faucet is
open for flushing a Lavatory, WC, Sink, Urinal, etc., a fresh quantity of municipal water is
admitted into the system. This fresh water admits in the Plumbing systems: Salts, impurities and
bacteria allowable in the municipal potable water systems, furnished from the City mains.
Therefore, the proposed procedures to prevent growth of bacteria for HVAC projects must be
different than the procedures for Plumbing projects.
Some bacteria produce a “biofilm”, which will deposit inside the pipes, and will protect other
bacteria covered by “biofilm” from being destroyed by biocides or temporary super hot water
(160°F) circulated occasionally.
The way I see it, the water entering the building from municipal piping should be free of any
bacteria, viruses or microbes and to have minimal residual salts, minerals or other chemical
compounds. For instance: minerals, as calcium carbonate (CO3Ca) or magnesium carbonate
(CO3Mg), will eventually deposits inside the pipes and equipment, will produce a scale, which
will increase the friction loss (more energy to move the water), will corrode the pipe and will be
an excellent place for bacterial development. Various USA zones contain water with high
concentration of these compounds (hard water). Removing them from water entering the
building will save a lot on energy and maintenance.
Plumbing water piping disinfection.
continued on next page
ASPE NEWS page 31
Fig. 4 is an attempt to show equipment and installation for a plumbing system designed to reduce
the possibility of growing bacteria or other pathogens in plumbing systems, and allows
disinfection when necessary.
Smart loop hot water recirculation system.
Recently I read about a relatively new system for recirculation of hot water for large buildings,
called “smart loop system”, offered by Viega, as part of pro press piping system. The system
includes hot water recirculation pipe (HWR), inside hot water (HW), and a special “double drop
elbow”, which eliminates “dead ends” for supplying water to fixtures. Attached Fig. 1 describes
this fitting and Fig. 2 shows a schematic of internal recirculation system.
Also Fig. 4 shows a proposed schematic hot water diagram, including UV generator, electronic
water conditioner, smart loop, circulating pump, etc.
Smart loop for cold water recirculation system.
Cold water piping shall be insulated and re-circulated. Reason: keep cold water below +68°F,
where bacteria is not multiplying. See Fig. 5. This may require a
Cooler.
Fundamental criteria to combat micro organisms in potable water piping.
1. Prevention is preferable to cure.
2. Micro organism has an extraordinary fast way to multiply, and mutate to be resistant to
antibiotics or other medications we invent.
3. Remove or destroy any micro organisms, before potable water enters building piping
distribution systems.
4. Remove salts and minerals from water supplied from municipal pipes.
Some of these minerals will eventually precipitate and deposit inside pipes and
equipment, and will be an excellent place for micro organisms to hide and multiply.
Best Available Technology (BAT)
The fight against Legionella just started. Appears that bacteria are a step ahead of our technology
to destroy them, and protect our population. Therefore, in the near future, we should expect more
outbreaks of Legionella disease. In the mean time we should adjust and continue our fight, by
using revised and improved BAT.
This article shows one way to get rid of Legionella bacteria in plumbing systems. I hope that
more efficient improvements of the proposed system , or other means, will be developed soon by
plumbing professionals.
continued on next page
ASPE NEWS page 32
Request for review and comments.
I prepared this document, based upon my limited knowledge of all equipment and devices
available to combat multiplication of micro organisms in potable water systems. Fig. 4
includes specific products from some manufacturers. Should be understood that products
of equal quality, manufactured by other companies, is expected and will be acceptable.
It is agreed by all authorities, that micro organisms in potable water systems are
detrimental to health and safety of population. As professionals, we should use all
existing and new technologies to prevent spreading diseases from potable water systems.
I believe that someone else in our profession (designer, contractor, and manufacturer)
may have knowledge of other products suited to this task.
Please call or write to me with your comments and suggestions.
Submitted,
Haig Demergian PE, CPD, FASPE
Chair of Education Committee, Los Angeles Chapter.
Tel: (323) 931-3770
Request for review and comments.
I prepared this document, based upon my limited knowledge of all equipment and devices
available to combat multiplication of micro organisms in potable water systems. Fig. 4
includes specific products from some manufacturers. Should be understood that products
of equal quality, manufactured by other companies, is expected and will be acceptable.
It is agreed by all authorities, that micro organisms in potable water systems are
detrimental to health and safety of population. As professionals, we should use all
existing and new technologies to prevent spreading diseases from potable water systems.
I believe that someone else in our profession (designer, contractor, and manufacturer)
may have knowledge of other products suited to this task.
Please call or write to me with your comments and suggestions.
Submitted,
Haig Demergian PE, CPD, FASPE
Chair of Education Committee, Los Angeles Chapter.
Tel: (323) 931-3770
TechData
1 of 2
TD-PP 1115 (Double Drop Elbow)
Viega LLC, 100 N. Broadway, 6th Floor • Wichita, KS 67202 • Ph: 800-976-9819 • Fax: 316-425-7618
Description
Stagnant water can harbor dangerous pathogens in domestic water distribution systems. Reducing stagnation helps to maintain design temperature and residual disinfectant levels both of which reduce the propagation of waterborne pathogens, leading to a safer domestic water distribution system.
Viega ProPress double drop elbows allow water distribution systems to be designed using concepts that minimize stagnation. Domestic water can be plumbed so that the use of a single fixture will generate flow up to many fixtures. Whenever a fixture in a ring or series is operated, fresh water flows up to the connection points of other fixtures. Installing fixtures in a ring or in series, utilizing double drop elbows can drastically reduces dead legs.
Features• Reduce dead legs to minimize stagnation• Can be used for hot and cold water systems• Smart Connect® feature• Integrated mounting bracket• FNPT outlet connection
Ratings• Temperature range: 0° to 250°F• Maximum operating pressure: 200 psi
Approvals• NSF-61G• IAPMO PS117• ICC ES PMG 1037• CSA
®Double Drop ElbowModel 2928.72ZL
Series Installation
Ring Installation
Fig. ELBOW DROP DOUBLE 1
Fig 1
ASPE NEWS page 33
System Comparison20% – 30% Energy Conservation
by Reducing Heat Loss
ConventionalCirculation
Internal Recirculation
System
Length of Pipe = 262 ft.
Heat Loss = 1703 Btu/hr.Length of Pipe = 262 ft.
Heat Loss = 1211 Btu/hr.
�Upper Adapter - Connection Set�Distribution Outlet�Hot Water Supply�Hot Water Return (Copper)�Lower Adapter - Connection Set�Hot Water Supply Riser�Hot Water Return (ViegaPEX)�Thermostatic Valve (Optional)
Fig. SYSTEM RECIRCULATION INTERNAL SCKEMATIC 2
ASPE NEWS page 34
ASPE NEWS page 35
The hotel where YOU decide the view:Rotating Dubai skyscraper to be built in 2020 allows guests to swivel their rooms 360 degrees
The Dynamic Tower Hotel in Dubai will have individually rotating units The building has been in the works since 2008 and will finally be built in 2020 The building will be self-powered through wind turbines and solar panels Residents can control their units through a voice-activated command system Units will be built on separate floors of the 1,375foot-tall, 80-story building
By Kelly Mclaughlin For MailonlinePublished: 11:35 EST, 16 February 2017 | Updated: 12:03 EST, 16 February 2017Read more: http://www.dailymail.co.uk/news/article-4231698/Rotating-Dubai-skyscraper-built-2020.html#ixzz4YzEOlJ3v
Los Angeles ChapterAmerican Society of Plumbing Engineers
Officers - Board of Directors
Published by American Society of Plumbing Engineers, Los Angeles Chapterwww.aspela.com • [email protected]
Over Forty years of Dedication to the Health and safety of the Southern California CommunityA non-profit corporation Local chapters do not speak for the society.
ASPELA Times
Chairman Education CommitteeHAIG DEMERGIAN PE, CPD,
FASPEPHONE (323) 931-3770
Chairman Scholarship CommitteeVIVIAN ENRIQUEZ, CPD,
FASPEArup
PHONE (310) [email protected]
Chapter Affiliate Liaison:RON BRADFORD
Signature SalesPHONE (951) 549-1000
Chairman Board of GovernorsWILLIAM SILER
Southcoast Engineering GroupPHONE (818) 224-2700
TreasurerHAL ALVORD, CPD, GPD
Donald Dickerson & AssociatesPHONE (818) [email protected]
Administrative SecretaryCHRISTOPHER YANG, PE,
CDP, CFPSAffiliated Engineers
PHONE [email protected]
Corresponding SecretaryNewsletter Editor
JEFF ATLASDelco Sales
PHONE (661) [email protected]
AYP LiaisonCHIARA SULZE
ArupPHONE (310) [email protected]
President WILLIAM SILER
SOUTHCOAST ENGINEERINGPHONE (818) 224-2700
FAX (562) [email protected]
Vice President TechnicalVIVIAN ENRIQUEZ, CPD,
FASPEArup
PHONE (310) [email protected]
Vice President LegislativeKOOK DEAN, PE, CDP, GPD
LADWPPHONE (213) [email protected]
Vice President MembershipJOHN ZAGORSKI
Mainline SalesPHONE (562) 447-4561
ASPE NEWS page 36
President THURA ZIN, CPD, GPD
ArupPHONE (310) 578-4514