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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	Conley George H 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	2.4
13. Max ACH	4.8
14. Avg ACH	3.3
15. eACH	0
16. Filter MERV
17. Percent Outside Air	81.1
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	6
21. sqft	698.7
22. cuft	6987
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. % Outside air 83. Calculated air volume (cfm) outside 570. Calculated air volume (cfm) return 119. Combined air volume (cfm) 689. ACH outside 4.0. ACH merv filter return air 0.8. ACH total 4.8. ACH Copy paste check (uses total or outside) 4. Room 102. % Outside air 87. Calculated air volume (cfm) outside 501. Calculated air volume (cfm) return 77. Combined air volume (cfm) 578. ACH outside 3.5. ACH merv filter return air 0.5. ACH total 4.1. ACH Copy paste check (uses total or outside) 3.5. Room 202. % Outside air 79. Calculated air volume (cfm) outside 351. Calculated air volume (cfm) return 95. Combined air volume (cfm) 446. ACH outside 2.5. ACH merv filter return air 0.7. ACH total 3.1. ACH Copy paste check (uses total or outside) 2.5. Room 205. % Outside air 68. Calculated air volume (cfm) outside 237. Calculated air volume (cfm) return 110. Combined air volume (cfm) 347. ACH outside 1.7. ACH merv filter return air 0.8. ACH total 2.4. ACH Copy paste check (uses total or outside) 1.7. Room 206. % Outside air 85. Calculated air volume (cfm) outside 287. Calculated air volume (cfm) return 50. Combined air volume (cfm) 337. ACH outside 2.0. ACH merv filter return air 0.4. ACH total 2.4. ACH Copy paste check (uses total or outside) 2. Room 110. % Outside air 23. Calculated air volume (cfm) outside 210. Calculated air volume (cfm) return 686. Combined air volume (cfm) 896. ACH outside 1.8. ACH merv filter return air 5.9. ACH total 7.7. ACH Copy paste check (uses total or outside) 1.8.

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