•Standard 188-2015 Presentation - TE Watson ANSI/ASHRAE Standard 188-2015 Legionellosis: Risk Management for Building Water Systems Published June 26, 2015 Thomas E Watson, P.E. Member SSPC-188 December 8, 2015 ANSI/ASHRAE Standard 188-2015 Learning Outcomes � Understand history of Legionnaires Disease � Know Principles of ANSI/ASHRAE Standards Development � Basics of ANSI/ASHRAE 188-2015 � Purpose & Scope � Framework for Legionella bacteria Control Measures � Health Care facility Requirements � Requirements for WMP for Specific devices such as cooling towers, ornamental fountains, spas, etc. � Elements of a Water Management Plan � Designer requirements ANSI/ASHRAE Standard 188-2015 Background � While Legionnaire's disease has been known for many years, recent outbreaks have increased awareness of the disease, its causes and prevention strategies � The Centers for Disease Control and Prevention (CDC): � Estimates 8,000 - 18,000 cases of LD in the USA � More than 10% of these cases are fatal � ASHRAE providing information on Legionella since 1979 in response to the first Legionnaire’s disease outbreak in 1976 and the subsequent discovery by the CDC of the causative bacteria – Legionella ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •1
•Standard 188-2015 Presentation - TE Watson 1. Legionella : the name for the genus (a major classification) of bacteria. Legionellae is the plural – referring to more than one Legionella bacterium. 2. Legionellosis: any illness caused by the exposure to Legionella . Legionnaires’ Disease (LD) and Pontiac Fever (PF) are the two most common types of legionellosis. ANSI/ASHRAE Standard 188-2015 ��������������������� 221 Sick! 34 Deaths! ANSI/ASHRAE Standard 188-2015 … that Legionnaires’ disease is caused by (an aquatic) ��������� ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •2
•Standard 188-2015 Presentation - TE Watson � Mild, Flu-like illness – without pneumonia � Appears <1 - 3 days after exposure � Lasts up to 5 days – generally less � Does not require hospitalization � Susceptibility: ~95% (+/-) of those exposed ANSI/ASHRAE Standard 188-2015 � Potentially fatal, multi-system respiratory illness, accompanied by pneumonia � Symptoms: high fever, chills, muscle pain, headache & dry cough; diarrhea, vomiting, confusion & delirium are also common � Appears 2-10 days after exposure � Recovery can be long-term & debilitating � Susceptibility: ~5% (+/-) of those exposed ANSI/ASHRAE Standard 188-2015 Legionella pneumophila � One of 58 named Legionella Species � The Species Responsible for ~ 90% of Legionellosis Cases � Has 15+ Serogroups � The Major Infectious Lp Serogroup is Serogroup 1 ( Lp1 ) ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •3
•Standard 188-2015 Presentation - TE Watson ANSI/ASHRAE Standard 188-2015 ANSI/ASHRAE Standard 188-2015 (1) Water/Soil Aerosols (2) Containing Amplified & Virulent LB (3) Inhaled or Aspirated by ‘At-Risk’ Host ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •4
•Standard 188-2015 Presentation - TE Watson � Immune Suppressed (Transplants, Cancer, Cardiac, Steroids) � Sick / In Poor Health � Elderly / Infirm � Heavy Smokers, Lung Disease ‘ Weakened Immune Systems ’ ANSI/ASHRAE Standard 188-2015 39 Years Later (2015) We continue to learn about Legionella – and have the 1 st ANSI Standard to address Legionellosis – ASHRAE Standard 188 ! ANSI/ASHRAE Standard 188-2015 Legionnaires' outbreak widens to 12 dead in New York … August 11, 2015 � 128 Cases Reported with 12 Deaths . . . Officials say the outbreak is centered on the area near the Opera House Hotel in the South Bronx ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •5
•Standard 188-2015 Presentation - TE Watson Another Outbreak in NYC 9/30/2015 9/30/2015 ANSI/ASHRAE Standard 188-2015 Standard 188 Adopted in New York City With 12 confirmed dead and more than 120 cases of infection due to legionellosis, New York City Council on Thursday adopted legislation that requires adherence to part of ASHRAE’s newly published Legionella standard. The legislation addresses registration and inspection of cooling towers. It requires owners to create and file a plan to maintain equipment to comply with Sections 5, 6 and 7.2 of the new ANSI/ASHRAE Standard 188-2015 / Legionellosis: Risk Management for Building Water Systems . Aug 17, 2015 Contact : Jodi Scott ASHRAE Public Relations 678-539-1140 / jscott@ashrae.org ANSI/ASHRAE Standard 188-2015 CDC: In What Facilities Does LD Appear? ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •6
•Standard 188-2015 Presentation - TE Watson ASHRAE Standards Development � Consensus through participation and public review � Consensus = substantial agreement but not unanimity � Balance of interest categories � Legionella & water treatment specialists, consulting engineers, health professionals, building owners & operators, manufacturers, government officials, and others from around the world ANSI/ASHRAE Standard 188-2015 Voting Professional Organizations on SSPC-188: AWT : Association of Water Technologies APIC : Association for Professionals in Infection Control and Epidemiology ASHE : American Society for Healthcare Engineering ASPE : American Society of Plumbing Engineers CDC : Centers for Disease Control & Prevention IAPMO : International Association of Plumbing and Mechanical Officials NSF International ANSI/ASHRAE Standard 188-2015 ASHRAE Standard Development ASHRAE develops three types of voluntary consensus standards accredited by the American National Standards Institute (ANSI): 1) Method of Measurement or Test 2) Standard Design 3) Standard Practice ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •7
•Standard 188-2015 Presentation - TE Watson ASHRAE Standards – Special Note: ANSI/ASHRAE Standard 188-2015 ANSI/ASHRAE Standard 188-2015 Standard 188 Development History *Feb June Sept June 4, 2005 2011 2014 2015 SPC-188 Draft 2 Draft 4 Approved by began released released ASHRAE meeting (+ PR/2) (+ PR/4) board 1 2 3 4 5 OK October January March June 26, 2010 2013 2015 2015 Draft 1 Draft 3 Draft 5 Finalized released released released Standard (+ PR/1) (+ PR/3) (+ PR/5) 188-2015 *Feb 2005: 1st meeting was GPC-12 (guideline), later as SPC-188 PR = Public Reviews (required by the ANSI/ASHRAE process) ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •8
•Standard 188-2015 Presentation - TE Watson Standard 188 ‘Evolved’ from ASHRAE Guideline 12 ANSI/ASHRAE Standard 188-2015 The SPC188 Team … ‘Legionellosis: Risk Management for Building Water Systems’ ANSI/ASHRAE Standard 188-2015 ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •9
•Standard 188-2015 Presentation - TE Watson ANSI/ASHRAE 188-2015 ► PURPOSE : Establish minimum Legionellosis risk ► ► ► management requirements for building water systems . ► SCOPE: ► ► ► 1) … for design, construction, commissioning, operation, maintenance, repair, replacement, and expansion of new and existing buildings and their associated water systems 2) … applies to human-occupied commercial, institutional, multi-unit residential, and industrial buildings ... does not include single-family residential buildings 3) … for use by owners & managers of human-occupied buildings, excluding single-family residential buildings ... also for those involved in design, construction, installation, commissioning, operation, maintenance & service of centralized building water systems and components ANSI/ASHRAE Standard 188-2015 In a Nutshell Compliance with Standard 188 will require facility owners (managers) to: 1 � � Establish a Team with assigned � � Describe responsibilities & accountabilities Water System Access the Hazard 2 � � � � Have , Practice , & Audit a Water Management Plan for Establish Hazard Controls legionellosis risk management of their building water systems Audit the Plan ANSI/ASHRAE Standard 188-2015 ASHRAE 188-2015:Control Measures ASHRAE gives a framework, but the Team must develop specific LB control measures for: • New Construction • Siting ??? • Startup and Shutdown • Inspections • Maintenance • Cleaning and Disinfection • Monitoring (e.g., temperatures; disinfectant levels) • Water Treatment • Responding to Legionnaires' disease ANSI/ASHRAE Standard 188-2015 •Dec 8, 2015 •10
Recommend
More recommend
