All restrooms should be thoroughly cleaned. This guidance should be applied to each unique climate zone, unique school building and HVAC system. Provide PPE and remove suspect individual – relocate to nursing or isolation space. Considerations for schools. The amount of air flow into each school room should ideally exceed these minimum standards. Introduction | Background and General Recommendations | General Operations References | Determining Building Readiness and Operations for Existing Facilities to Reoccupy After Shut-Down due to Pandemic | Checklist No. Hydronic /Electric radiators / baseboard should remain operational. Viruses are named based on their genetic structure to facilitate the development of diagnostic tests, vaccines and medicines. Ventilation and filtration provided by heating, ventilating, and air-conditioning systems can reduce the airborne concentration of SARS-CoV-2 and thus the risk of transmission through the air. Increase the filtration in the unit to the maximum available, Provide a recirculation fan filtration unit and duct into the return of units, Provide a HEPA filtration unit which re-circulates air within the space, Consider additional treatment technology to kill/disable airborne infectious aerosols (refer to, Consider alternate filter locations in return duct or grille but consider static pressure drop implications and relationship with outside air dampers, Install a pressure gauge on units to assist in determining filter change frequency, Document motor amperages before and after filter changes, alarm points in BAS may need to be updated, Filter change frequency may increase due to seasonal and atmospheric considerations at different sites (such as Pollen Season), There will be an increase in fan energy used to overcome additional pressure drop from filters, With an increase pressure drop for filtration there will be less airflow to heat and cool the spaces during peak design days. The bill? All retrofits and modifications must not contradict ASHRAE 62.1 guidelines and must continue to meet or exceed applicable codes and standards. Review air distribution conditions of existing spaces (look for covered diffusers, blocked return grilles, overly closed supply diffusers/registers and return/exhaust grilles creating short cycling, possible measurements of airflows by commissioning or balancing professionals, possible review of overall system configuration by design professional, etc.) Review control sequences to verify systems are operating according to this guidance to maintain required ventilation, temperature and humidity conditions to occupied areas.Address or clear existing alarms from Building Automation Systems/Building Management Systems to allow for recognition of new alarms that may impact building indoor air quality and consider alarm hierarchy.Review control sequences to verify systems are operating according to this guidance to maintain required ventilation, temperature and humidity conditions to occupied areas. Verify coil velocities and coil and unit discharge air temperatures required to maintain desired indoor conditions and to avoid moisture carry over from cooling coils. Check for proper condenser water flow and for leaks. In October, Tulare City School District in California announced it would spend more than $400,000 to install needlepoint bipolar ionization technology into the ventilation systems of its 15 schools. The following is meant to provide practical information and checklists to school district and university campus environmental health managers, facility managers, administrators, technicians, and service providers to prepare educational buildings to resume occupancy. Buildings with complex heating, ventilation, and air conditioning (HVAC) systems typically work with HVAC professionals to evaluate and/or improve the flow of air. Guidance from the Centers for Disease Control and Prevention (CDC): Adjust building air flows to prevent negative pressure differential. Maintain pressure relationship for room, ante room and corridor. COVID-19 (May 2020), and the ASHRAE Guidance for Re-Opening Buildings. If necessary, vent air from system high points and Verify backflow preventers and pressure regulating valves on makeup water lines are functioning properly. Hire local trades as needed: plumbing repairs; electrical upgrades; masonry and walkway repairs; lead and/or asbestos remediation; green-scape grounds to direct water away from foundations and reduce run-off; plant shade trees; use native species. But, with about 5,000 schools in the province, that means that on average there will only be about $10,000 a school to improve ventilation and help prevent the transmission of COVID-19. These strategies are intended for K-12 school administrators preparing for school programs for staff and students during the COVID-19 pandemic. Perform chemical testing of system water. The focus of this section is to provide instructions for educational facility managers to increase their filtration efficiency in existing air systems on a temporary basis during the pandemic. Isolation Mode (Dedicated 100 % OA systems), Cooling, Heating, Humidification, Dehumidification, Ventilation – run 2 hours before and after occupancy, Exhaust fans - run when ventilation is on, Cooling, Heating, Ventilation - per normal school schedule(occupied/unoccupied or optimal start program), Exhaust fans - per normal school schedule (occupied/unoccupied), might be OFF during unoccupied hours. The nurse station will include Anteroom/Protective Equipment Room. Create reporting methodology for tracking and reporting of critical infections. Unitary and Single Zone Equipment (For example: Wall Hung Units, Unit Ventilators, Mini-Splits, Packaged Terminal Air Conditioners, Water-Source Heat Pumps, Fan Coil Units): Monthly Check for particulate accumulation on filters, replace filter as needed. In VAV systems maximize the total supply air flow in each VAV terminal when the system is in full economizer mode. School of Music COVID-19 Updates Winter Quarter 2021 Updates INFORMATION BELOW UPDATED 1/14/21 - 11 AM School of ... School of Music facilities will reopen for limited use beginning Tuesday, January 19 with the following protocols and hours in place: Holtchneider Performance Center: Monday-Friday, 7am-10pm: Limited in-person courses & applied lessons, practice room reservations, reed … This guidance has been formulated to help designers retrofit and plan for the improvement of indoor air quality and to slow the transmission of viruses via the HVAC systems. Recommended guidance is to provide lowest possible particulate concentration anywhere in the space. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) has developed proactive guidance to help address coronavirus disease 2019 (COVID-19) concerns with respect to the operation and maintenance of heating, ventilating and air-conditioning systems. Numerous and various locations in classrooms, washrooms, gyms, and school libraries need to be sampled to determine which microbes inhabit our schools and where and at what contamination levels. Recommend locations of nurse's office HVAC on an exterior wall. Be aware of fan surge under increased static pressure and low flow rate. “The recent escalation in the spread of coronavirus disease 2019 is alarming on a global scale,” said 2019-20 ASHRAE President Darryl K. Boyce, P.Eng. Measure/Trend all information possible, including temperature (dry bulb), relative humidity, carbon dioxide concentration, zone population, etc. Verify control dampers operate properly. Check unit ventilators for proper amounts of OA and operation. ASHRAE Standard 52.2-2017 -- Minimum Efficiency Reporting Value (MERV), Target Level for Filtration for Schools is MERV 13 or higher. PE rooms with respective to adjacent rooms should be under positive pressure. Customer Name: _____ Date:_____ Building Name: _____ This checklist is intended for use by a licensed mechanical contractor to review theHVAC systems in K-12 schools in the State of Michigan. Media Contact: Sherri Simmons 404-446-1660 ssimmons@duffey.com. This guidance should be applied to each unique climate zone, unique school building and HVAC system. Coordinate with local utilities to identify when buildings will be restarted, identify when systems will be operated (if different than prior operations) and identify that demands may increase (primarily electric but gas may apply as well for some facilities). Directly exhaust isolation rooms. Follow filter replacement policy. This page is updated as new information becomes available. 2 Startup Checklist for HVAC Systems Prior to Occupancy. Professionals who operate school, office, and commercial buildings should consult the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) guidance for information on ventilation and filtration to help reduce risks from the virus that causes COVID-19. Determine the effect of additional external static pressure on the fan. Check ultraviolet lamp, replace bulbs as needed (if applicable). The COVID-19 pandemic makes this mission even more imperative. Consider installing Humidifiers in AHUs and Packaged rooftop units if feasible. Determine the type of motor that is used in the equipment. ASHRAE COVID-19 Preparedness Resources; COVID-19: Mitigating transmission via wastewater plumbing systems (Lancet article) CLSI Documents Helpful for COVID-19 Testing (Clinical & Laboratory Standards Institute) Building Health and Safety Considerations (Building Safety Journal) ACHA COVID-19 Guidelines (American College Health Association) Return to Indoor Air and Coronavirus (COVID-19). EXIT. This reference provides cleaning guidance for multiple building types and should be applicable to most K-12 and higher education spaces. Share pertinent information between all appropriate groups: Maintenance, Energy, Environmental Health & Safety, Building Managers, Administration, etc. Filters range in size but the typical depths of filters are 1", 2", 4" and 12-15". A constant cfm ECM fan will be noisier with restriction. Check P-trap on drain pan. The replacement of the filters is part of a multi‐pronged approach to help manage the potential risk of COVID‐19 in spaces across MSU where people may … Check ultraviolet lamp, replace bulbs as needed (if applicable). Calculate the increase in filter pressure drop after installing the new MERV 13 filters. Two (2) modes of operation, (1) "Isolation Mode and (2) "Normal Mode". INTRODUCTION . Generally, particles with an aerodynamic diameter around 0.3 μm are most penetrating; efficiency increases above and below this particle size. Winter Nurse Station design guidelines 72 F/50-55% RH, Summer Nurse Station design guidelines 72 F/50%-60% RH, Design for a maximum of 10 Air Changes per Hour (ACH), can operate at 6 ACH, Two filter banks, MERV 7 and HEPA (MERV 14 for existing HVAC that is unable to support HEPA), Isolation Room and Nurse office will be Negative Pressure (- 0.015" to – 0.05" W.C), Protective Room will be Positive Pressure ((+ 0.015" to + 0.05" W.C). Fan airflow is reduced with increase in filter restriction. If MERV 13 Filters cannot be installed consider the following: HVAC System Maintenance and Filter Replacement during the COVID-19 Pandemic: Screen patients entering clinic in waiting area, See layout suggestion here, can be modified as needed, Before Student Occupation during Pandemic. Review seal installation procedures with maintenance and operations staff. Review existing Indoor Air Quality issues, if any, records of documents and investigate current status of complaint and address any deficiencies identified, if possible. Address or clear existing alarms from Building Automation Systems/Building Management Systems to allow for recognition of new alarms that may impact building indoor air quality and consider alarm hierarchy. COVID-19 (May 2020), and the ASHRAE Guidance for Re-Opening Buildings. Check expansion tanks and bladder type compression tanks have not become waterlogged. Develop maintenance policies for new/added equipment such as local air cleaners, humidifiers, additional filtration in mechanical equipment, etc. If MERV 13 is not in place, change filters to MERV 13. He served on ASHRAE’s Board of Directors for 11 years, and has chaired the Publishing and Education Council and numerous ASHRAE committees. Check drain pans for cleanliness and proper slope. Perform chemical testing of system water. | COVID-19 | Where Did SARS-CoV-2 Come From? United States CDC Guidance for K-12 School Administrators on the Use of Cloth Face Coverings in Schools and Additional Considerations Table. Consideration must be given to climate zone and building envelope to avoid mold growth or IAQ problems. Similar to the filtration level used in hospitals. Collect Original Design Drawings if available. Consideration must be given to climate zone and building envelope to avoid mold growth or IAQ problems. Check the control system and devices for evidence of improper operation. Filters (disinfected or not) can be bagged and disposed of in regular trash, or applicable local health and safety standards. Work with a reputable ventilation engineer or UV system designer. Why Do Viruses and Diseases Have Different Names? Up to one week prior to occupancy if systems have been shut down to bring temperature and humidity under control prior to occupancy. Check steam traps and condensate return units for proper operation. Disable Demand-Controlled Ventilation (DCV) systems using Carbon Dioxide (CO2) sensors where feasible: Either disable control sequence or adjust setpoints to be at or near ambient outdoor CO2 levels (typically between 400 and 500 ppm). Code Advisory Committee Call for Application. 24 hours if systems have operated during closure period. Top of Page Cooling Towers and Evaporative-Cooled Devices Monthly. For that reason, ASHRAE (American Society … This reference provides general information, risk assessment guidance, and recommendations for higher education institutions. Mr. Phoenix is also an ASHRAE Certified Building Energy Modeling Professional (BEMP), and a Certified Building Energy Assessment Professional (BEAP) and is an ASHRAE Distinguished Lecturer. Consider adjusting to maximize outdoor air or disabling operation of DCV if it will not adversely impact operation of overall system (Temporary recommendation while operating under infectious disease crisis). 1 . During the week prior to occupancy perform Checklist No. ASHRAE Reopening Guide for Schools and Universities On July 22, 2020, the ASHRAE Epidemic Task Force released its updated Reopening Guide for Schools and Universities related to COVID-19. Check refrigerant system for leaks. While every effort is made to provide accurate and reliable information, this is advisory, is provided for informational purposes only. As schools and offices open up, here’s what building managers should do to reduce SARS-CoV-2 particles in the air we breathe Improving indoor air quality to prevent COVID-19 Skip to main content If MERV 13 filters are installed in the existing equipment then order additional filters for future filter changes. Follow CDC guidelines for supply air return air paths, do not mix isolation room air with any other spaces. HVAC Recommendations from ASHRAE: CORONAVIRUS (COVID-19) RESPONSE RESOURCES FROM ASHRAE. With more than 50,000 members from over 132 nations, ASHRAE is a diverse organization dedicated to advancing the arts and sciences of heating, ventilation, air conditioning and refrigeration to serve humanity and promote a sustainable world. May need to review previous filter orders. Retain in-house facility workers: clean, disinfect, maintain building systems; assess asbestos and lead paint status; pest-proof inside and out; check water and ventilation filters; assess water damage, fix leaks. One Page Guidance for Reopening Schools August 20, 2020 En Español. Determine if the equipment served from a Variable Frequency Drive. Refer to the section on Filtration/Disinfection under the COVID-19. Inspect fuel filter; clean and verify proper operation. For the complete ASHRAE Epidemic Task Force school reopening guide and other COVID-19 resources, visit ashrae.org/COVID-19. For "Isolation mode" design Dedicated HVAC system. Your chance to help prepare K-12 Schools for Reopening. This page is updated as new information becomes available. This reference provides recommendations for policies, general operations, response protocols, communications, etc. Select guidance that is likely applicable for educational facilities includes: These recommendations and strategies are organized in order from simple first steps, more involved next steps and then more long-term improvements. Record the Model or Serial number of the air handling equipment. This guidance has been formulated to help designers retrofit and plan for the improvement of indoor air quality and to slow the transmission of viruses via the HVAC systems. The designer needs to work closely with the local school system to work in conjunction with new operational protocols and school operations. Learn how to employ DSA services and find other resources that prepare public schools for re-opening. Determine the area of filter banks. As of April 15, 2020, the following statement from the ASHRAE Epidemic Task Force was posted on their website: On the recommendation of the ASHRAE Epidemic Task Force, ASHRAE leadership has approved the following two statements regarding transmission of SARS-CoV-2 and the operation of HVAC systems during the COVID-19 pandemic: 11/16/2020. In October, Tulare City School District in California announced it would spend more than $400,000 to install needlepoint bipolar ionization technology into the ventilation systems of its 15 schools. ALL DISTRICT PERSONNEL RESPONSIBLE FOR THE OPERATION AND MAINTENCE OF HVAC SYSTEMS IN SCHOOL BUILDINGS SHOULD READ AND Treat as Isolation rooms – 1 bed per building – follow. Consider upper air UV-C treatment for select spaces. Establish physical barrier in waiting room for screening, Require face mask and hand sanitation from a sanitizer dispenser, Increase ventilation rate six ACH clean air, Create at least one isolation exam room in waiting area (can be temporary), Use laminate or solid surface casework to improve cleaning, Negative Pressure to 0.01 inches of water, Twelve air changes (HEPA recirculation allowed), All air exhausted to outdoors (exhaust grill above exam table), Provide minimum two isolation rooms (conduct risk assessment), Normal non-isolation nurses office can become iso-room, Include Biohazard waste storage in anteroom and iso-room for PPE, Verify space has one-pass air or maximum OA capable for lab operating requirements, Modify workstations to comply with social distancing, Install hand sanitizer dispenser in entryway, Verify all fume hoods and bio-safety cabinets are up-to-date on certification, Conduct smoke tests in all spaces to verify airflow patterns, Limit occupancy to maintain social distancing guidelines and avoid unnecessary occupants, Avoid use of locker rooms but if necessary Increase airflow in locker rooms and keep negative, Verify all locker room exhaust flows exceed ANSI/ASHRAE Standard 62.1, Consider reducing occupancy in rooms, suites and common areas, Install hand sanitizer dispenser in common areas, Verify exhaust air flow in all restrooms and laundries, Verify all outdoor air flows are well distributed (> 0.16 cfm/sf), Replace filters with MERV 13 or higher where ever possible, Refer to the Filtration and Disinfection Guidance, This guidance assumes no COVID-19 cases are housed, Limit occupancy to maintain social distancing guidelines, Replace all filters with MERV 13 or higher, Verify exhaust airflows in all toilets and locker rooms, Verify exhaust airflows from all concession stands, Provide additional outdoor air and/or HEPA filter units in rehearsal rooms and green rooms, Disable demand control ventilation control. 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