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About Us | Contact Us |
0. Space Type | BOS-School |
1. Establishment Name | Lyon Mary HS Upper |
2. Address | address |
3. City | Boston |
4. State / Province | MA |
5. Country | USA |
6. Date | 03/21/2021 |
7. Data Source | School District |
8. Performed by | External Company |
9. Company Name Address Contact | Cashins & Associates, Inc. 599 North Ave #8, Wakefield, MA 01880 |
10. Requirement Source | Boston School 3 ACH guideline |
11. Technology | Natural Ventilation Windows and Limited Univent HVAC |
12. Min ACH | 1.5 |
13. Max ACH | 2 |
14. Avg ACH | 1.7 |
15. eACH | 0 |
16. Filter MERV | |
17. Percent Outside Air | 62.6 |
18. ON and Ventilates Entire Indoor Area | Yes |
19. Vent Clearance min 6 ft | Yes |
20. No of Rooms | 6 |
21. sqft | 825 |
22. cuft | 8250 |
23. No of Buildings | 1 |
24. Comments | Source Boston School District March 18, 2021. https://www.bostonpublicschools.org/Page/8463 . https://drive.google.com/file/d/1bzam7XeMQDjjv7Og_86PS41K78hBEOfT/view . assumed 10ft ceiling. wACH windows provided in dataset. Calculated wACH from measured CFM rates in dataset do not match. Differences due to errors. Did not use calculated wACH. Room 119. % Outside air 75. Calculated air volume (cfm) outside 150. Calculated air volume (cfm) return 50. Combined air volume (cfm) 200. ACH outside 1.1. ACH merv filter return air 0.4. ACH total 1.5. ACH Copy paste check (uses total or outside) 1.1. Room 214. % Outside air 80. Calculated air volume (cfm) outside 200. Calculated air volume (cfm) return 50. Combined air volume (cfm) 250. ACH outside 1.5. ACH merv filter return air 0.4. ACH total 1.9. ACH Copy paste check (uses total or outside) 1.5. Room 216. % Outside air 55. Calculated air volume (cfm) outside 120. Calculated air volume (cfm) return 100. Combined air volume (cfm) 220. ACH outside 0.9. ACH merv filter return air 0.8. ACH total 1.7. ACH Copy paste check (uses total or outside) 0.9. Room 311. % Outside air 48. Calculated air volume (cfm) outside 100. Calculated air volume (cfm) return 110. Combined air volume (cfm) 210. ACH outside 0.8. ACH merv filter return air 0.8. ACH total 1.6. ACH Copy paste check (uses total or outside) 0.8. Room 313. % Outside air 56. Calculated air volume (cfm) outside 150. Calculated air volume (cfm) return 120. Combined air volume (cfm) 270. ACH outside 1.1. ACH merv filter return air 0.9. ACH total 2.0. ACH Copy paste check (uses total or outside) 1.1. Room 127. % Outside air 84. Calculated air volume (cfm) outside 515. Calculated air volume (cfm) return 95. Combined air volume (cfm) 610. ACH outside 3.7. ACH merv filter return air 0.7. ACH total 4.4. ACH Copy paste check (uses total or outside) 3.7. |