| 0. Space Type | NYC-School |
| 1. Establishment Name | P.S. 257 John F. Hylan Elementary |
| 2. Address | 60 Cook Street, East Williamsburg, 11206 |
| 3. City | New York |
| 4. State / Province | NY |
| 5. Country | USA |
| 6. Date | 2/10/2023 |
| 7. Data Source | Researcher |
| 8. Performed by | Researcher |
| 9. Company Name Address Contact | |
| 10. Requirement Source | Local Building Code |
| 11. Technology | HVAC, UnitVentilator, SupplyFan, ExhaustFan |
| 12. Min ACH | |
| 13. Max ACH | |
| 14. Avg ACH | |
| 15. eACH | |
| 16. Filter MERV | |
| 17. Percent Outside Air | |
| 18. ON and Ventilates Entire Indoor Area | Yes |
| 19. Vent Clearance min 6 ft | Yes |
| 20. No of Rooms | 43 |
| 21. sqft | 38925 |
| 22. cuft | 389250 |
| 23. No of Buildings | 1 |
| 24. Comments
| Classrooms using Only Windows 2 5% Classrooms using Other Ventilation 36 95%. Total Classrooms 38. Opening date 1962. No of schools 1. Students 521 Staff 105. Total occupancy 626. Additional Rooms Based on staff minus students 5% get a room 5 Total rooms 43. Mechanical Ventilation. Infections reported in dataset. Source https://github.com/nypublicradio/school-ventilation-2021 and Article: https://gothamist.com/news/nyc-schools-bought-weaker-air-purifiers-now-underventilated-campuses-are-more-prone-covid-cases.
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