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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Tobin Maurice J 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	2.9
13. Max ACH	4.6
14. Avg ACH	4.1
15. eACH	0
16. Filter MERV
17. Percent Outside Air	61.1
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	6
21. sqft	900
22. cuft	9000
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 103. % Outside air 64. Calculated air volume (cfm) outside 390. Calculated air volume (cfm) return 220. Combined air volume (cfm) 610. ACH outside 2.7. ACH merv filter return air 1.5. ACH total 4.2. ACH Copy paste check (uses total or outside) 2.7. Room 106. % Outside air 64. Calculated air volume (cfm) outside 375. Calculated air volume (cfm) return 215. Combined air volume (cfm) 590. ACH outside 2.6. ACH merv filter return air 1.5. ACH total 4.1. ACH Copy paste check (uses total or outside) 2.6. Room 201A. % Outside air 61. Calculated air volume (cfm) outside 385. Calculated air volume (cfm) return 250. Combined air volume (cfm) 635. ACH outside 2.7. ACH merv filter return air 1.7. ACH total 4.4. ACH Copy paste check (uses total or outside) 2.7. Room 3. % Outside air 62. Calculated air volume (cfm) outside 415. Calculated air volume (cfm) return 250. Combined air volume (cfm) 665. ACH outside 2.9. ACH merv filter return air 1.7. ACH total 4.6. ACH Copy paste check (uses total or outside) 2.9. Room 4. % Outside air 68. Calculated air volume (cfm) outside 440. Calculated air volume (cfm) return 210. Combined air volume (cfm) 650. ACH outside 3.0. ACH merv filter return air 1.4. ACH total 4.5. ACH Copy paste check (uses total or outside) 3. Room C147. % Outside air 63. Calculated air volume (cfm) outside 300. Calculated air volume (cfm) return 170. Combined air volume (cfm) 470. ACH outside 2.0. ACH merv filter return air 1.1. ACH total 3.1. ACH Copy paste check (uses total or outside) 2.

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