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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Mather Elementary
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	0.5
13. Max ACH	3.8
14. Avg ACH	2
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	942.5
22. cuft	9425
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 214. Diffuser air volume (cfm) 203. % Outside air 100. Calculated air volume (cfm) outside 203. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 203. ACH outside 1.1. ACH merv filter return air 0.0. ACH total 1.1. ACH Copy paste check (uses total or outside) 1.1. Room 302. Diffuser air volume (cfm) 690. % Outside air 100. Calculated air volume (cfm) outside 690. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 690. ACH outside 3.8. ACH merv filter return air 0.0. ACH total 3.8. ACH Copy paste check (uses total or outside) 3.8. Room 318. Diffuser air volume (cfm) 90. % Outside air 100. Calculated air volume (cfm) outside 90. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 90. ACH outside 0.5. ACH merv filter return air 0.0. ACH total 0.5. ACH Copy paste check (uses total or outside) 0.5. Room 402. Diffuser air volume (cfm) 422. % Outside air 100. Calculated air volume (cfm) outside 422. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 422. ACH outside 2.3. ACH merv filter return air 0.0. ACH total 2.3. ACH Copy paste check (uses total or outside) 2.3. Room 414. Diffuser air volume (cfm) 395. % Outside air 100. Calculated air volume (cfm) outside 395. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 395. ACH outside 2.2. ACH merv filter return air 0.0. ACH total 2.2. ACH Copy paste check (uses total or outside) 2.2. Room 12. Diffuser air volume (cfm) 340. % Outside air 100. Calculated air volume (cfm) outside 340. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 340. ACH outside 2.2. ACH merv filter return air 0.0. ACH total 2.2. ACH Copy paste check (uses total or outside) 2.1.

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