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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Thomas Edison K 8
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	4.5
13. Max ACH	6.3
14. Avg ACH	5
15. eACH	0
16. Filter MERV
17. Percent Outside Air	80.8
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	6
21. sqft	871.2
22. cuft	8712
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 117. % Outside air 77. Calculated air volume (cfm) outside 985. Calculated air volume (cfm) return 295. Combined air volume (cfm) 1280. ACH outside 4.1. ACH merv filter return air 1.2. ACH total 5.3. ACH Copy paste check (uses total or outside) 4.1. Room 223. % Outside air 79. Calculated air volume (cfm) outside 485. Calculated air volume (cfm) return 130. Combined air volume (cfm) 615. ACH outside 3.7. ACH merv filter return air 1.0. ACH total 4.7. ACH Copy paste check (uses total or outside) 3.7. Room 212. % Outside air 89. Calculated air volume (cfm) outside 575. Calculated air volume (cfm) return 70. Combined air volume (cfm) 645. ACH outside 4.4. ACH merv filter return air 0.5. ACH total 4.9. ACH Copy paste check (uses total or outside) 4.4. Room 311. % Outside air 86. Calculated air volume (cfm) outside 510. Calculated air volume (cfm) return 80. Combined air volume (cfm) 590. ACH outside 3.9. ACH merv filter return air 0.6. ACH total 4.5. ACH Copy paste check (uses total or outside) 3.9. Room 316. % Outside air 88. Calculated air volume (cfm) outside 730. Calculated air volume (cfm) return 95. Combined air volume (cfm) 825. ACH outside 5.6. ACH merv filter return air 0.7. ACH total 6.3. ACH Copy paste check (uses total or outside) 5.6. Room 101. % Outside air 52. Calculated air volume (cfm) outside 220. Calculated air volume (cfm) return 200. Combined air volume (cfm) 420. ACH outside 1.5. ACH merv filter return air 1.4. ACH total 2.9. ACH Copy paste check (uses total or outside) 1.5.

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