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About Us | Contact Us |
0. Space Type | BOS-School |
1. Establishment Name | Horace Mann |
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 | Central HVAC |
12. Min ACH | 1.8 |
13. Max ACH | 10.2 |
14. Avg ACH | 5.7 |
15. eACH | 0 |
16. Filter MERV | 13 |
17. Percent Outside Air | 50.4 |
18. ON and Ventilates Entire Indoor Area | Yes |
19. Vent Clearance min 6 ft | Yes |
20. No of Rooms | 5 |
21. sqft | 522 |
22. cuft | 5220 |
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 A-21A. Diffuser air volume (cfm) 49. % Outside air 50. Calculated air volume (cfm) outside 25. Calculated air volume (cfm) return 24. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 45. ACH outside 3. ACH merv filter return air 2.5. ACH total 5.5. Room B332. Diffuser air volume (cfm) 412. % Outside air 50. Calculated air volume (cfm) outside 206. Calculated air volume (cfm) return 206. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 381. ACH outside 2.2. ACH merv filter return air 1.9. ACH total 4.1. Room B433. Diffuser air volume (cfm) 1012. % Outside air 50. Calculated air volume (cfm) outside 506. Calculated air volume (cfm) return 506. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 936. ACH outside 3.9. ACH merv filter return air 3.3. ACH total 7.2. Room B207. Diffuser air volume (cfm) 1028. % Outside air 50. Calculated air volume (cfm) outside 514. Calculated air volume (cfm) return 514. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 5. ACH outside 5.5. ACH merv filter return air 4.7. ACH total 10.2. Room A212. Diffuser air volume (cfm) 973. % Outside air 70. Calculated air volume (cfm) outside 681. Calculated air volume (cfm) return 292. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 929. ACH outside 7.8. ACH merv filter return air 2.9. ACH total 10.7. |