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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	English High School
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	4.8
13. Max ACH	9.3
14. Avg ACH	6.4
15. eACH	0
16. Filter MERV	---
17. Percent Outside Air	69.8
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	6
21. sqft	772.6
22. cuft	7726
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 321. Diffuser air volume (cfm) 530. % Outside air 70. Calculated air volume (cfm) outside 371. Calculated air volume (cfm) return 159. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 506. ACH outside 3.5. ACH merv filter return air 1.3. ACH total 4.8. ACH Copy paste check (uses total or outside) 4.8. Room 420. Diffuser air volume (cfm) 573. % Outside air 70. Calculated air volume (cfm) outside 401. Calculated air volume (cfm) return 171. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 546. ACH outside 3.7. ACH merv filter return air 1.4. ACH total 5.1. ACH Copy paste check (uses total or outside) 5.1. Room 442. Diffuser air volume (cfm) 1172. % Outside air 70. Calculated air volume (cfm) outside 820. Calculated air volume (cfm) return 352. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 1119. ACH outside 6.6. ACH merv filter return air 2.4. ACH total 9. ACH Copy paste check (uses total or outside) 9. Room 507. Diffuser air volume (cfm) 627. % Outside air 70. Calculated air volume (cfm) outside 439. Calculated air volume (cfm) return 188. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 599. ACH outside 4.1. ACH merv filter return air 1.5. ACH total 5.6. ACH Copy paste check (uses total or outside) 5.6. Room 536. Diffuser air volume (cfm) 975. % Outside air 70. Calculated air volume (cfm) outside 682. Calculated air volume (cfm) return 292. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 930. ACH outside 6.8. ACH merv filter return air 2.5. ACH total 9.3. ACH Copy paste check (uses total or outside) 9.3. Room A343. Diffuser air volume (cfm) 740. % Outside air 100. Calculated air volume (cfm) outside 740. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 740. ACH outside 5.8. ACH total 5.8. ACH Copy paste check (uses total or outside) 5.8.

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