Clean Air Buildings

Building Data Report

0. Space Type BOS-School

1. Establishment Name Mattahunt Elementary School
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 Central HVAC

12. Min ACH 2.9

13. Max ACH 7.8

14. Avg ACH 4.9

15. eACH 0

16. Filter MERV ---

17. Percent Outside Air 69.5

18. ON and Ventilates Entire Indoor Area Yes

19. Vent Clearance min 6 ft Yes

20. No of Rooms 6

21. sqft 882

22. cuft 8820

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 215. Diffuser air volume (cfm) 567. % Outside air 70. Calculated air volume (cfm) outside 397. Calculated air volume (cfm) return 170. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 542. ACH outside 3. ACH merv filter return air 1.1. ACH total 4.1.
Room 231. Diffuser air volume (cfm) 535. % Outside air 70. Calculated air volume (cfm) outside 374. Calculated air volume (cfm) return 160. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 510. ACH outside 2.8. ACH merv filter return air 0.8. ACH total 3.6.
Room 317. Diffuser air volume (cfm) 1072. % Outside air 70. Calculated air volume (cfm) outside 750. Calculated air volume (cfm) return 322. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 1024. ACH outside 5.7. ACH merv filter return air 2.1. ACH total 7.8.
Room 318. Diffuser air volume (cfm) 873. % Outside air 70. Calculated air volume (cfm) outside 611. Calculated air volume (cfm) return 262. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 834. ACH outside 4.7. ACH merv filter return air 1.7. ACH total 6.4.
Room 334. Diffuser air volume (cfm) 711. % Outside air 70. Calculated air volume (cfm) outside 498. Calculated air volume (cfm) return 213. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 679. ACH outside 3.8. ACH merv filter return air 1.4. ACH total 5.2.
Room A304. Diffuser air volume (cfm) 740. % Outside air 100. Calculated air volume (cfm) outside 740. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 740. ACH outside 5. ACH total 5.

0. Space Type	BOS-School
1. Establishment Name	Mattahunt Elementary School
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	Central HVAC
12. Min ACH	2.9
13. Max ACH	7.8
14. Avg ACH	4.9
15. eACH	0
16. Filter MERV	---
17. Percent Outside Air	69.5
18. ON and Ventilates Entire Indoor Area	Yes
19. Vent Clearance min 6 ft	Yes
20. No of Rooms	6
21. sqft	882
22. cuft	8820
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 215. Diffuser air volume (cfm) 567. % Outside air 70. Calculated air volume (cfm) outside 397. Calculated air volume (cfm) return 170. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 542. ACH outside 3. ACH merv filter return air 1.1. ACH total 4.1. Room 231. Diffuser air volume (cfm) 535. % Outside air 70. Calculated air volume (cfm) outside 374. Calculated air volume (cfm) return 160. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 510. ACH outside 2.8. ACH merv filter return air 0.8. ACH total 3.6. Room 317. Diffuser air volume (cfm) 1072. % Outside air 70. Calculated air volume (cfm) outside 750. Calculated air volume (cfm) return 322. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 1024. ACH outside 5.7. ACH merv filter return air 2.1. ACH total 7.8. Room 318. Diffuser air volume (cfm) 873. % Outside air 70. Calculated air volume (cfm) outside 611. Calculated air volume (cfm) return 262. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 834. ACH outside 4.7. ACH merv filter return air 1.7. ACH total 6.4. Room 334. Diffuser air volume (cfm) 711. % Outside air 70. Calculated air volume (cfm) outside 498. Calculated air volume (cfm) return 213. Filter merv rating 13. Filter efficiency (decimal) 0.85. Combined air volume (cfm) 679. ACH outside 3.8. ACH merv filter return air 1.4. ACH total 5.2. Room A304. Diffuser air volume (cfm) 740. % Outside air 100. Calculated air volume (cfm) outside 740. Calculated air volume (cfm) return 0. Filter efficiency (decimal) 0. Combined air volume (cfm) 740. ACH outside 5. ACH total 5.

Building Data Report

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