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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	McKinley South End Acad
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	5.1
13. Max ACH	6.7
14. Avg ACH	5.9
15. eACH	0
16. Filter MERV
17. Percent Outside Air	77.2
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	8
21. sqft	1142
22. cuft	11420
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 211. % Outside air 61. Calculated air volume (cfm) outside 416. Calculated air volume (cfm) return 261. Combined air volume (cfm) 677. ACH outside 3.3. ACH merv filter return air 2.0. ACH total 5.3. ACH Copy paste check (uses total or outside) 3.3. Room 201. % Outside air 93. Calculated air volume (cfm) outside 609. Calculated air volume (cfm) return 43. Combined air volume (cfm) 652. ACH outside 4.8. ACH merv filter return air 0.3. ACH total 5.1. ACH Copy paste check (uses total or outside) 4.8. Room 103. % Outside air 77. Calculated air volume (cfm) outside 605. Calculated air volume (cfm) return 164. Combined air volume (cfm) 789. ACH outside 4.7. ACH merv filter return air 1.3. ACH total 6.2. ACH Copy paste check (uses total or outside) 4.7. Room 108. % Outside air 77. Calculated air volume (cfm) outside 540. Calculated air volume (cfm) return 163. Combined air volume (cfm) 703. ACH outside 4.2. ACH merv filter return air 1.3. ACH total 5.5. ACH Copy paste check (uses total or outside) 4.2. Room 113. % Outside air 80. Calculated air volume (cfm) outside 561. Calculated air volume (cfm) return 137. Combined air volume (cfm) 698. ACH outside 4.4. ACH merv filter return air 1.1. ACH total 5.5. ACH Copy paste check (uses total or outside) 4.4. Room 114. % Outside air 94. Calculated air volume (cfm) outside 611. Calculated air volume (cfm) return 36. Combined air volume (cfm) 847. ACH outside 4.8. ACH merv filter return air 0.3. ACH total 6.6. ACH Copy paste check (uses total or outside) 4.8. Room 109. % Outside air 82. Calculated air volume (cfm) outside 687. Calculated air volume (cfm) return 155. Combined air volume (cfm) 842. ACH outside 5.4. ACH merv filter return air 1.2. ACH total 6.6. ACH Copy paste check (uses total or outside) 5.4. Room 107A. % Outside air 32. Calculated air volume (cfm) outside 210. Calculated air volume (cfm) return 447. Combined air volume (cfm) 657. ACH outside 1.1. ACH merv filter return air 2.3. ACH total 3.5. ACH Copy paste check (uses total or outside) 1.1.

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