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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	McCormack John W Middle
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	3.2
13. Max ACH	4.4
14. Avg ACH	3.9
15. eACH	0
16. Filter MERV
17. Percent Outside Air	81
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 134. % Outside air 81. Calculated air volume (cfm) outside 310. Calculated air volume (cfm) return 75. Combined air volume (cfm) 385. ACH outside 2.6. ACH merv filter return air 0.6. ACH total 3.2. ACH Copy paste check (uses total or outside) 2.6. Room 135. % Outside air 87. Calculated air volume (cfm) outside 501. Calculated air volume (cfm) return 74. Combined air volume (cfm) 575. ACH outside 3.3. ACH merv filter return air 0.5. ACH total 3.8. ACH Copy paste check (uses total or outside) 3.3. Room 243. % Outside air 79. Calculated air volume (cfm) outside 453. Calculated air volume (cfm) return 122. Combined air volume (cfm) 575. ACH outside 3.5. ACH merv filter return air 0.9. ACH total 4.4. ACH Copy paste check (uses total or outside) 3.5. Room 238. % Outside air 74. Calculated air volume (cfm) outside 453. Calculated air volume (cfm) return 162. Combined air volume (cfm) 615. ACH outside 2.7. ACH merv filter return air 1.0. ACH total 3.7. ACH Copy paste check (uses total or outside) 2.7. Room 229. % Outside air 85. Calculated air volume (cfm) outside 564. Calculated air volume (cfm) return 102. Combined air volume (cfm) 666. ACH outside 3.4. ACH merv filter return air 0.6. ACH total 4.0. ACH Copy paste check (uses total or outside) 3.4. Room 103. % Outside air 74. Calculated air volume (cfm) outside 549. Calculated air volume (cfm) return 191. Combined air volume (cfm) 740. ACH outside 4.0. ACH merv filter return air 1.4. ACH total 5.4. ACH Copy paste check (uses total or outside) 4.

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