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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Hurley Joseph 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	2.2
13. Max ACH	4.7
14. Avg ACH	3.5
15. eACH	0
16. Filter MERV
17. Percent Outside Air	72.5
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	6
21. sqft	828
22. cuft	8280
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 102. % Outside air 77. Calculated air volume (cfm) outside 391. Calculated air volume (cfm) return 114. Combined air volume (cfm) 505. ACH outside 2.5. ACH merv filter return air 0.7. ACH total 3.3. ACH Copy paste check (uses total or outside) 2.5. Room 112. % Outside air 59. Calculated air volume (cfm) outside 255. Calculated air volume (cfm) return 175. Combined air volume (cfm) 430. ACH outside 1.3. ACH merv filter return air 0.9. ACH total 2.2. ACH Copy paste check (uses total or outside) 1.3. Room 203. % Outside air 81. Calculated air volume (cfm) outside 561. Calculated air volume (cfm) return 129. Combined air volume (cfm) 690. ACH outside 3.5. ACH merv filter return air 0.8. ACH total 4.3. ACH Copy paste check (uses total or outside) 3.5. Room 207. % Outside air 71. Calculated air volume (cfm) outside 545. Calculated air volume (cfm) return 220. Combined air volume (cfm) 765. ACH outside 3.4. ACH merv filter return air 1.4. ACH total 4.7. ACH Copy paste check (uses total or outside) 3.4. Room 201. % Outside air 58. Calculated air volume (cfm) outside 390. Calculated air volume (cfm) return 280. Combined air volume (cfm) 670. ACH outside 2.4. ACH merv filter return air 1.7. ACH total 4.1. ACH Copy paste check (uses total or outside) 2.4. Room 215. % Outside air 20. Calculated air volume (cfm) outside 93. Calculated air volume (cfm) return 378. Combined air volume (cfm) 471. ACH outside 0.7. ACH merv filter return air 2.7. ACH total 3.4. ACH Copy paste check (uses total or outside) 0.6.

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