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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Boston Teachers Union K 8 School
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 HVAC
12. Min ACH	1.6
13. Max ACH	3.7
14. Avg ACH	2.6
15. eACH	0
16. Filter MERV	13
17. Percent Outside Air	100
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	4
21. sqft	1011
22. cuft	10110
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 105. Diffuser air volume (cfm) 516. % Outside air 100. Calculated air volume (cfm) outside 516. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 516. ACH outside 3.4. ACH merv filter return air 0.0. ACH total 3.4. ACH Copy paste check (uses total or outside) 3.4. Room 208. Diffuser air volume (cfm) 274. % Outside air 100. Calculated air volume (cfm) outside 274. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 274. ACH outside 1.8. ACH merv filter return air 0.0. ACH total 1.8. ACH Copy paste check (uses total or outside) 1.8. Room 212. Diffuser air volume (cfm) 524. % Outside air 100. Calculated air volume (cfm) outside 524. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 524. ACH outside 3.7. ACH merv filter return air 0.0. ACH total 3.7. ACH Copy paste check (uses total or outside) 3.7. Room 109. Diffuser air volume (cfm) 770. % Outside air 70. Calculated air volume (cfm) outside 539. Calculated air volume (cfm) return 231. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 735. ACH outside 3.2. ACH merv filter return air 1.4. ACH total 4.4. ACH Copy paste check (uses total or outside) 4.4.

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