Cooling Towers and Evaporative-Cooled Devices Monthly. Trend and monitor levels continuously if controls system is capable of doing so (use portable data loggers and handheld instruments and document readings where needed to demonstrate compliance with District or Campus requirements). May need to review previous filter orders. Verify control valves operate properly. Verify proper separation between outdoor air intakes and exhaust discharge outlets to prevent/limit re-entrainment of potentially contaminated exhaust air (generally minimum of 10-foot separation - comply with local code requirements). 1 . Consider having airflows and building pressurization measured/balanced by a qualified Testing, Adjusting and Balancing (TAB) service provider. Check coil fins and check for damage. Check for proper fluid flow and for fluid leaks. Daily flush prior to occupancy: Mechanical Systems should be operated in occupied mode (including normal or peak outside air rate introduced to each space) for minimum period of 2 hours prior to occupants re-entering building. Please refer to the Centers for Disease Control and Prevention (CDC) website for the most recent updates related to COVID-19 and schools: ... ASHRAE has developed proactive guidance Exitto help address COVID-19 concerns with respect to the operation and maintenance of heating, ventilating and air-conditioning systems. This reference provides recommendations for policies, general operations, response protocols, communications, etc. Verify water treatment target levels are being maintained. For example, HIV is the virus that causes AIDS. Check P-trap. Guidance from individual states or territories (United States): This reference includes basic information on state K-12 reopening plans and links to information from individual states where specific guidance and requirements can be located. Determine if the fan speed can be increased to compensate for the additional pressure drop while maintaining the required airflow. ICTV announced “severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)” as the name of the new virus on 11 February 2020. Develop protocol to handle quarantine of other individuals who may have been exposed, wash/sanitize belongings and impacted spaces, look at potential for spread to adjacent spaces or other building areas through mechanical systems or other means. This information describes how the HVAC systems should be operating to help minimize the chance of spreading SARS-Cov-2 and how to practically check/verify that operation. Verify water treatment target levels are being maintained. Review design guidance for potential system modifications to comply with this guidance. Consist of media with porous structures of fibers or stretched membrane material to remove particles from airstreams. Select filtration levels (MERV ratings) that are maximized for equipment capabilities, use MERV 13 if equipment allows, while assuring the pressure drop is less than the fans capability. ASHRAE said in April that, ... President-elect Joe Biden proposed new aid for schools as part of a broader COVID-19 relief plan, which will require congressional approval. Collect Original Design Drawings if available. Why Do Viruses and Diseases Have Different Names? Chilled Water, Hot Water and Condenser Water Systems: Monthly. This name was chosen because the virus is genetically related to the coronavirus responsible for the SARS outbreak of 2003. 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. 14. • ASHRAE, Reopening of Schools and Universities • ASHRAE, Guidance for Building Operations During the COVID-19 Pandemic, May 2020 • CDC, Operating Schools During Covid-19: CDC’s Considerations, Sept 1 2020 (sc roll down to view Administrators oversee the daily operations of K-12 schools. ASHRAE: Reopening of Schools and Universities. We recognize and appreciate the complexity of operating schools during the COVID-19 pandemic. Document MERV rating of existing filters installed. ASHRAE Offers COVID-19 Building Readiness/Reopening Guidance. $923,488. 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. For systems using fuel oil: Check fuel pump for proper operation. COVID-19 School Readiness. Replace and Upgrade Rack if possible, to accept a filter with a higher MERV rating. Check the control system and devices for evidence of improper operation. Verify control dampers operate properly. Increase Filtration to the maximum efficeincy (highest MERV rating) recommended by the manufacturer. 1: Checklist for Unoccupied Buildings, Checklist No. it was the duty of ASHRAE members to Check conductivity and other sensors for proper readings. Viruses, and the diseases they cause, often have different names. Check compressor oil level and/or pressure on refrigerant systems having oil level and/or pressure measurement means. ASHRAE releases HVAC guide for reopening schools Wednesday, July 22, 2020 The ASHRAE Epidemic Task Force has developed guidance on the operation of HVAC systems to help mitigate the airborne transmission of SARS-CoV-2, the virus that causes COVID-19, as schools prepare to reopen in the fall. The designer should also be concerned with mechanical filtration of the supply air and maintaining indoor comfort as defined by the design temperature and relative humidity. Information on these pages is provided as a service to the public. 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. 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. Covid-19 has been identified by the CDC as an airborne virus. Check the control system and devices for evidence of improper operation. Verify control dampers operate properly. Commercial Buildings; Schools and Universities Exit; Visit the CDC website for more information. The underlying effort of the designer should be to increase outside air to the spaces, treat return air and or supply air to spaces via mechanical filtration or treating the air and maintain indoor comfort as defined by temperature and relative humidity. For existing units, an increase in filtration efficiency may reduce airflow capacity. For new installations, designer should designate a "Purge/Flush" mode for operations to minimize the virus transmission via HVAC systems. Determine if the equipment served from a Variable Frequency Drive. Where semi-annual / annual scheduled maintenance on the equipment can be performed safely, do not defer this maintenance cycle. ), Some types or configurations for energy recovery systems allow for exhaust air transfer from the exhaust airstream to the supply airstream, while others do not – depending on system configuration this may be cause for concern. Check variable frequency drive for proper operation. The underlying effort of the designer should be to increase outside air to the spaces and treat return air. Verify control valves operate properly. 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. Check for proper evaporator and condenser fluid flow and for fluid leaks. Generally, particles with an aerodynamic diameter around 0.3 μm are most penetrating; efficiency increases above and below this particle size. If a person has COVID-19, a respiratory droplet can carry the infectious virus, even if they have no symptoms. Check drain pans for cleanliness and proper slope. School Health and Safety Frequently Asked Questions: Coronavirus (COVID-19) Recovery Period (Updated Dec. 14, 2020) The Office of the State Superintendent of Education (OSSE) issued updated guidance on Dec. 14, 2020 for District of Columbia public elementary and secondary schools, including public charter schools, Conditioning Engineers (ASHRAE), may also improve resistance to infection.1 The American Society for Microbiology (ASM) has recently addressed the issue of COVID-19 transmission in the “built environment” (BE), defined as the buildings, automobiles and other indoor settings in … SARS-CoV is thought to be an animal virus from an as-yet-uncertain animal reservoir, perhaps bats, that spread to other animals (civet cats) and first infected humans in the Guangdong province of southern China in 2002. COVID-19 SCHOOL BUILDING HVAC CHECKLIST. 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. United States CDC Guidance for K-12 School Administrators on the Use of Cloth Face Coverings in Schools and Additional Considerations Table. Two (2) modes of operation, (1) "Isolation Mode and (2) "Normal Mode". Given the small size of the systems serving the Nurse Station in Isolation Mode, it is suggested considering Constant Volume, hard balanced air system. 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. COVID-19 (May 2020), and the ASHRAE Guidance for Re-Opening Buildings. Review seal installation procedures with maintenance and operations staff. The information below is for school administrators and facilities managers who may have questions about ventilation and COVID-19. Email COVID-19@ashrae.org Full ETF Roster. 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. 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. 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. Refer to the section on Filtration/Disinfection under the COVID-19. Compensate for loss of capacity in winter with portable plug in electric heaters or higher discharge temps. 24 hours if systems have operated during closure period. The university increased the ventilation rate to 51 CFM/per person, resulting in carbon dioxide levels dropping to … Once completed, the list will provide a … Up to one week prior to occupancy if systems have been shut down to bring temperature and humidity under control prior to occupancy. Nurse office suite design should follow health care facilities design practices as described in standards such as ASHRAE Standard 170  and other applicable guidelines and design information. 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 This guidance has been formulated to help designers and facility managers to retrofit and plan for the improvement of indoor air quality and to slow the transmission of virus via the HVAC systems. 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. Perform chemical testing of system water. Domestic hot water systems should be flushed with all fixtures on a branch of piping opened simultaneously for a minimum period of 15 minutes – preferred approach is to have all building fixtures open at same time if possible – if not, care should be taken to ensure flow rate is adequate to flush piping mains and branch lines. Read More ASHRAE resources on COVID-19. Ver. Refer to section 6.8.2 exception for cases where Energy Recovery can be applied. Schools and communities must make challenging decisions to support student learning and community wellbeing. Reopening Schools Safely and Equitably Amidst the COVID-19 Pandemic: School Facilities are Frontline Defense in Reducing Risk Jeff Vincent, Center for Cities + Schools, UC Berkeley As the novel coronavirus, SARS-CoV-2, rapidly spread across the globe in Spring 2020, one of the most widely implemented risk reduction measures utilized was to physically close all school buildings. Domestic cold-water systems should be flushed with all fixtures on a branch of piping opened simultaneously for a minimum period of five minutes – preferred approach is to have all building fixtures open at same time if possible – if not, care should be taken to ensure flow rate is adequate to flush piping mains and branch lines. Based on their research and expertise, ASHRAE has steadily updated guidelines for building procedures. Read ASHRAE guidance. 1 Summer Checklist for Fall Start of Classes. DSA is committed to helping California public schools prepare to re-open under the Centers for Disease Control’s COVID-19 requirements. Verify water treatment target levels are being maintained. Where worker safety could be at risk, defer semi-annual/ annual maintenance on the equipment up to 60 days until worker safety can be accomplished. As schools and universities prepare to reopen for the fall academic year, ASHRAE Epidemic Task Force has recommended that educational facilities have systems capable of achieving 150% of its minimum ventilation air flow to reduce airborne transmission of viruses. Please support ASHRAE’s continuing work to combat the transmission of COVID-19 Donate Now. 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 … 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 … Make a list by piece of equipment. Independent industrial hygienists tested every school’s indoor air quality to ensure it meets the American Society of Heating, Refrigerating and Air-Conditioning Engineers’s (ASHRAE) COVID-19 guidelines for school buildings (Standard 55 and 62.1) The indoor air quality report looked at the following for values: 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. For HVAC systems suspected to be contaminated with SARS-CoV-2, it is not necessary to suspend HVAC system maintenance, including filter changes but additional safety precautions are warranted, The risks associated with handling filters contaminated with coronaviruses in ventilation systems under field-use conditions have not been evaluated, Workers performing maintenance and/or replacing filters on any ventilation system with the potential for viral contamination should wear appropriate personal protective equipment (PPE), When feasible, filters can be disinfected with a 10% bleach solution or another appropriate disinfectant, approved for use against SARS-CoV-2, before removal. ... Organization This resource provides considerations for decision-makers and educators on how or when to reopen or close schools in the context of COVID-19. Posted by mreynau on Apr. This may lead to DX low suction pressures which causes faults in cooling or DX high pressure trips in heating with HP's. Consider installing portable humidifiers in each classroom for local humidity control if feasible. Determine the initial and final pressure drop for the filters in the original system design. Gloucester County Schools in Virginia completed a similar undertaking in all of its buildings in December. Check the control system and devices for evidence of improper operation. Determine if the speed increase exceeds the maximum motor power. Shaping Tomorrow's Built Environment Today, Officers, Directors, Councils, Committees, Staff, Science and Technology for the Built Environment, Instructor-Led Training Seminar and Short Courses, Self-Directed Learning / Group Learning Texts, 2021 Virtual Design and Construction Conference, 2021 ASHRAE Building Performance Analysis Conference, IAQ 2020: Indoor Environmental Quality Performance Approaches, Criteria for Annual Conference City Selection, Winter, Annual, & Virtual Conference Sponsorship Opportunities. Similar to the filtration level used in hospitals. 2 Startup Checklist for HVAC Systems Prior to Occupancy. Domestic water systems shall be prepared for use: Systems should be flushed to remove potential contaminants from stagnant equipment, piping, fixtures, etc. Your chance to help prepare K-12 Schools for Reopening. 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: This page is updated as new information becomes available. These documents provide guidance … It should be clearly stated and understood that adherence to this guidance does not eliminate the potential for airborne transmission of the virus and should not serve as a replacement for other steps such as social distancing, use of masks or other face coverings, cleaning and disinfection of surfaces, etc. Review the original design and equipment shop drawings to determine available External Static Pressure for equipment. Schools can take HVAC survey, qualify for help to reduce harmful aerosol transmissions Jan 13, 2021 Jan 13, 2021 ... MI ASHRAE Chapters’ COVID-19 Task Force chair, at sonya.pouncy@gmail.com. Adjust building air flows to prevent negative pressure differential. Follow CDC guidelines for supply air return air paths, do not mix isolation room air with any other spaces. “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. Perform initial air flush of all spaces prior to occupants re-entering building: Mechanical systems should operate in occupied mode for minimum period of one week prior to students returning (may be completed at same time as teachers start returning to building) while assuring the outside air dampers are open. MERV 13 is the recommended minimum; MERV 14 is preferred; per, Introduce terminal or portable, all electric HEPA/UV Machines in each classroom, Target highest achievable air change rate for units that will not generate excessive noise or negatively impact space air distribution, Ensure flow patterns maximize mixing of air in classrooms, Cooling and Heating systems (Local, central)- Goal is to create a thermal lag and minimize HVAC operations when occupied, DOAS Systems - Run DOAS units two hours before and after occupancy, Only applies to school days not weekend operations, Goal is to flush the building with OA and positively pressurize the building, DOAS Systems - Run DOAS units two hours before and after occupancy as part of new DOAS sequence of Operation. One Page Guidance for Reopening Schools August 20, 2020 En Español. Determine the current size, depth and quantity of filters in equipment. Does ASHRAE’s guidance agree with guidance from WHO and CDC? United States CDC Considerations for Institutions of Higher Education. The designer needs to work closely with the local school system to work in conjunction with new operational protocols and school operations. Founded in 1894, ASHRAE is a global professional society committed to serve humanity by advancing the arts and sciences of heating ventilation, air conditioning, refrigeration and their allied fields. Check refrigerant system for leaks. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) has established ventilation standards for different types of school spaces (ASHRAE 62.1 2019 – Ventilation for Acceptable Indoor Air Quality Standards). If filter racks can accept a minimum MERV 13 filter but were not part of the original design, the following analysis can be completed by internal staff or a consulting engineer: Provide Information previously gathered in the Gathering Stage to individual completing additional analysis. ASHRAE releases HVAC guide for reopening schools Wednesday, July 22, 2020 The ASHRAE Epidemic Task Force has developed guidance on the operation of HVAC systems to help mitigate the airborne transmission of SARS-CoV-2, the virus that causes COVID-19, as schools … 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. 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. As a result, ASHRAE’s recommendation, as well as the recommendation of the CDC, highlights the use of high‐efficiency filters. Document any unusual observations other than those that can be recorded by control systems. Apply and utilize outdoor air quality sensors or reliable web-based data for outdoor pollution information as part of the new ventilation operation. Consider changing out motor to increase static pressure available, but this may require significant electrical modifications. Review airflow patterns in occupied spaces to ensure airflow is not impeded. 2: Startup Checklist for HVAC Systems Prior to Occupancy | Equipment and System Specific Checks and Verifications During the Academic Year | New/Modified Facility Design Recommendations | Designer Guidelines – General School | Nurses Office – General Requirements | Filtration Upgrades | Filtration Basics | Filtration Target Level | Information Gathering Stage | Data Analysis & Review | Implementation & Considerations | Operation of Occupied Facilities | Controlling Infection Outbreaks in School Facilities | Higher Education Facilities | Student Health Facilities | Laboratories | Athletic Facilities | Residence Facilities | Large Assembly. COVID-19 pandemic and possible future epidemics related to the effects of heating, ventilation, and air-conditioning systems on disease transmission • Guidance developed for several building types and operational conditions, including for schools, commercial, residential, and health care • Comprised of 26 members led by Dr. William Bahnfleth There is broad variation of complexity, flexibility, and age in HVAC equipment, systems, controls and Building Automation Systems (BAS) in educational facilities. Golden Gate ASHRAE - COVID-19 Fundraising Efforts. Coronavirus (COVID-19) Recovery Period (Updated Dec. 14, 2020) The Office of the State Superintendent of Education (OSSE) issued updated guidance on Dec. 14, 2020 for District of Columbia public elementary and secondary schools, including public charter schools, Provides minimum ashrae covid schools on-site room and corridor be required mission even more imperative short to! 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