Clean Air Buildings

Building Data Report

0. Space Type BOS-School

1. Establishment Name Nathan Hale 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 1.1

13. Max ACH 3.8

14. Avg ACH 2.4

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 931.5

22. cuft 9315

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 107. Diffuser air volume (cfm) 205. % Outside air 100. Calculated air volume (cfm) outside 205. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 205. 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 108. Diffuser air volume (cfm) 235. % Outside air 100. Calculated air volume (cfm) outside 235. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 235. ACH outside 1.5. ACH merv filter return air 0.0. ACH total 1.5. ACH Copy paste check (uses total or outside) 1.5.
Room 201. 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 1.8. ACH merv filter return air 0.0. ACH total 1.8. ACH Copy paste check (uses total or outside) 1.8.
Room 202. 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 2.8. ACH merv filter return air 0.0. ACH total 2.8. ACH Copy paste check (uses total or outside) 2.7.
Room 206. Diffuser air volume (cfm) 600. % Outside air 100. Calculated air volume (cfm) outside 600. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 600. 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 136. Diffuser air volume (cfm) 130. % Outside air 100. Calculated air volume (cfm) outside 130. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 130. ACH outside 0.8. ACH merv filter return air 0.0. ACH total 0.8. ACH Copy paste check (uses total or outside) 0.9.

0. Space Type	BOS-School
1. Establishment Name	Nathan Hale 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	1.1
13. Max ACH	3.8
14. Avg ACH	2.4
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	931.5
22. cuft	9315
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 107. Diffuser air volume (cfm) 205. % Outside air 100. Calculated air volume (cfm) outside 205. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 205. 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 108. Diffuser air volume (cfm) 235. % Outside air 100. Calculated air volume (cfm) outside 235. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 235. ACH outside 1.5. ACH merv filter return air 0.0. ACH total 1.5. ACH Copy paste check (uses total or outside) 1.5. Room 201. 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 1.8. ACH merv filter return air 0.0. ACH total 1.8. ACH Copy paste check (uses total or outside) 1.8. Room 202. 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 2.8. ACH merv filter return air 0.0. ACH total 2.8. ACH Copy paste check (uses total or outside) 2.7. Room 206. Diffuser air volume (cfm) 600. % Outside air 100. Calculated air volume (cfm) outside 600. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 600. 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 136. Diffuser air volume (cfm) 130. % Outside air 100. Calculated air volume (cfm) outside 130. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 130. ACH outside 0.8. ACH merv filter return air 0.0. ACH total 0.8. ACH Copy paste check (uses total or outside) 0.9.

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