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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Mendell Ellis 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	1.2
13. Max ACH	3
14. Avg ACH	2.1
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	1087.5
22. cuft	10875
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 2. Diffuser air volume (cfm) 305. % Outside air 100. Calculated air volume (cfm) outside 305. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 305. 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 4. Diffuser air volume (cfm) 440. % Outside air 100. Calculated air volume (cfm) outside 440. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 440. ACH outside 2.7. ACH merv filter return air 0.0. ACH total 2.7. ACH Copy paste check (uses total or outside) 2.7. Room 6. Diffuser air volume (cfm) 300. % Outside air 100. Calculated air volume (cfm) outside 300. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 300. ACH outside 1.9. ACH merv filter return air 0.0. ACH total 1.9. ACH Copy paste check (uses total or outside) 1.9. Room 7. Diffuser air volume (cfm) 200. % Outside air 100. Calculated air volume (cfm) outside 200. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 200. ACH outside 1.2. ACH merv filter return air 0.0. ACH total 1.2. ACH Copy paste check (uses total or outside) 1.1. Room 9. Diffuser air volume (cfm) 525. % Outside air 100. Calculated air volume (cfm) outside 525. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 525. ACH outside 3.0. ACH merv filter return air 0.0. ACH total 3.0. ACH Copy paste check (uses total or outside) 3. Room 106. Diffuser air volume (cfm) 665. % Outside air 100. Calculated air volume (cfm) outside 665. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 665. 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.

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