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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Beethoven Ludwig van Elem
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	3.5
13. Max ACH	6.1
14. Avg ACH	4.8
15. eACH	0
16. Filter MERV
17. Percent Outside Air	100
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	6
21. sqft	1248
22. cuft	12480
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 114. % Outside air 100. Calculated air volume (cfm) outside 690. Calculated air volume (cfm) return 0. Combined air volume (cfm) 690. ACH outside 5.2. ACH merv filter return air 0.0. ACH total 5.2. ACH Copy paste check (uses total or outside) 5.2. Room 113. % Outside air 100. Calculated air volume (cfm) outside 617. Calculated air volume (cfm) return 0. Combined air volume (cfm) 617. ACH outside 5.0. ACH merv filter return air 0.0. ACH total 5.0. ACH Copy paste check (uses total or outside) 5. Room 208. % Outside air 100. Calculated air volume (cfm) outside 539. Calculated air volume (cfm) return 0. Combined air volume (cfm) 539. ACH outside 4.4. ACH merv filter return air 0.0. ACH total 4.4. ACH Copy paste check (uses total or outside) 4.3. Room 206. % Outside air 100. Calculated air volume (cfm) outside 600. Calculated air volume (cfm) return 0. Combined air volume (cfm) 600. ACH outside 4.6. ACH merv filter return air 0.0. ACH total 4.6. ACH Copy paste check (uses total or outside) 4.6. Room 201. % Outside air 100. Calculated air volume (cfm) outside 575. Calculated air volume (cfm) return 0. Combined air volume (cfm) 575. ACH outside 3.5. ACH merv filter return air 0.0. ACH total 3.5. ACH Copy paste check (uses total or outside) 3.5. Room 110. % Outside air 74. Calculated air volume (cfm) outside 303. Calculated air volume (cfm) return 107. Combined air volume (cfm) 410. ACH outside 1.5. ACH merv filter return air 0.5. ACH total 2.0. ACH Copy paste check (uses total or outside) 1.5.

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