Clean Air Buildings

Building Data Report

0. Space Type BOS-School

1. Establishment Name Mason Samuel 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

12. Min ACH 4.7

13. Max ACH 9.8

14. Avg ACH 7.2

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 802.6

22. cuft 8026

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 206. ACH Copy paste check (uses total or outside) 5.1. Window opening length (inches) 48. Window opening height (inches) 4. Co2 ambient (ppm) 413. Co2 test start (ppm) 1931. Co2 test end (ppm) 1067. Run time (min:sec) 10:00. Window air velocity max 822. Window air velocity min 67. Window air velocity avg 378. Window outside air volume (cfm) avg 504. Window cu-ft 1.33. Window cfm max 1096. Window cfm min 89. Window cfm avg 504. wACH max 7.1. wACH min 0.6. wACH avg 3.2. wACH Copy paste check (does not match calcultated) 5.1.
Room 207B. ACH Copy paste check (uses total or outside) 8.5. Window opening length (inches) 46. Window opening height (inches) 4. Co2 ambient (ppm) 430. Co2 test start (ppm) 2300. Co2 test end (ppm) 1490. Run time (min:sec) 4:00. Window air velocity max 586. Window air velocity min 132. Window air velocity avg 427. Window outside air volume (cfm) avg 546. Window cu-ft 1.28. Window cfm max 749. Window cfm min 169. Window cfm avg 546. wACH max 10.1. wACH min 2.3. wACH avg 7.3. wACH Copy paste check (does not match calcultated) 8.5.
Room 207A. ACH Copy paste check (uses total or outside) 8.7. Window opening length (inches) 46. Window opening height (inches) 4. Co2 ambient (ppm) 430. Co2 test start (ppm) 2300. Co2 test end (ppm) 1475. Run time (min:sec) 4:00. Window air velocity max 768. Window air velocity min 257. Window air velocity avg 470. Window outside air volume (cfm) avg 601. Window cu-ft 1.28. Window cfm max 981. Window cfm min 328. Window cfm avg 601. wACH max 12.8. wACH min 4.3. wACH avg 7.8. wACH Copy paste check (does not match calcultated) 8.7.
Room 312. ACH Copy paste check (uses total or outside) 4.7. Window opening length (inches) 48. Window opening height (inches) 4. Co2 ambient (ppm) 412. Co2 test start (ppm) 2131. Co2 test end (ppm) 1328. Run time (min:sec) 8:00. Window air velocity max 475. Window air velocity min 75. Window air velocity avg 261. Window outside air volume (cfm) avg 348. Window cu-ft 1.33. Window cfm max 633. Window cfm min 100. Window cfm avg 348. wACH max 5.3. wACH min 0.8. wACH avg 2.9. wACH Copy paste check (does not match calcultated) 4.7.
Room 208. ACH Copy paste check (uses total or outside) 9.8. Window opening length (inches) 48. Window opening height (inches) 4. Co2 ambient (ppm) 412. Co2 test start (ppm) 2022. Co2 test end (ppm) 1125. Run time (min:sec) 5:00. Window air velocity max 719. Window air velocity min 222. Window air velocity avg 548. Window outside air volume (cfm) avg 731. Window cu-ft 1.33. Window cfm max 959. Window cfm min 296. Window cfm avg 731. wACH max 5.4. wACH min 1.7. wACH avg 4.1. wACH Copy paste check (does not match calcultated) 9.8.
Room 17. ACH Copy paste check (uses total or outside) 8.1. Window opening length (inches) 52. Window opening height (inches) 4. Co2 ambient (ppm) 430. Co2 test start (ppm) 2105. Co2 test end (ppm) 1280. Run time (min:sec) 5:00. Window air velocity max 197. Window air velocity min 17. Window air velocity avg 99. Window outside air volume (cfm) avg 143. Window cu-ft 1.44. Window cfm max 285. Window cfm min 25. Window cfm avg 143. wACH max 2.1. wACH min 0.2. wACH avg 1.1. wACH Copy paste check (does not match calcultated) 8.1.

0. Space Type	BOS-School
1. Establishment Name	Mason Samuel 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
12. Min ACH	4.7
13. Max ACH	9.8
14. Avg ACH	7.2
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	802.6
22. cuft	8026
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 206. ACH Copy paste check (uses total or outside) 5.1. Window opening length (inches) 48. Window opening height (inches) 4. Co2 ambient (ppm) 413. Co2 test start (ppm) 1931. Co2 test end (ppm) 1067. Run time (min:sec) 10:00. Window air velocity max 822. Window air velocity min 67. Window air velocity avg 378. Window outside air volume (cfm) avg 504. Window cu-ft 1.33. Window cfm max 1096. Window cfm min 89. Window cfm avg 504. wACH max 7.1. wACH min 0.6. wACH avg 3.2. wACH Copy paste check (does not match calcultated) 5.1. Room 207B. ACH Copy paste check (uses total or outside) 8.5. Window opening length (inches) 46. Window opening height (inches) 4. Co2 ambient (ppm) 430. Co2 test start (ppm) 2300. Co2 test end (ppm) 1490. Run time (min:sec) 4:00. Window air velocity max 586. Window air velocity min 132. Window air velocity avg 427. Window outside air volume (cfm) avg 546. Window cu-ft 1.28. Window cfm max 749. Window cfm min 169. Window cfm avg 546. wACH max 10.1. wACH min 2.3. wACH avg 7.3. wACH Copy paste check (does not match calcultated) 8.5. Room 207A. ACH Copy paste check (uses total or outside) 8.7. Window opening length (inches) 46. Window opening height (inches) 4. Co2 ambient (ppm) 430. Co2 test start (ppm) 2300. Co2 test end (ppm) 1475. Run time (min:sec) 4:00. Window air velocity max 768. Window air velocity min 257. Window air velocity avg 470. Window outside air volume (cfm) avg 601. Window cu-ft 1.28. Window cfm max 981. Window cfm min 328. Window cfm avg 601. wACH max 12.8. wACH min 4.3. wACH avg 7.8. wACH Copy paste check (does not match calcultated) 8.7. Room 312. ACH Copy paste check (uses total or outside) 4.7. Window opening length (inches) 48. Window opening height (inches) 4. Co2 ambient (ppm) 412. Co2 test start (ppm) 2131. Co2 test end (ppm) 1328. Run time (min:sec) 8:00. Window air velocity max 475. Window air velocity min 75. Window air velocity avg 261. Window outside air volume (cfm) avg 348. Window cu-ft 1.33. Window cfm max 633. Window cfm min 100. Window cfm avg 348. wACH max 5.3. wACH min 0.8. wACH avg 2.9. wACH Copy paste check (does not match calcultated) 4.7. Room 208. ACH Copy paste check (uses total or outside) 9.8. Window opening length (inches) 48. Window opening height (inches) 4. Co2 ambient (ppm) 412. Co2 test start (ppm) 2022. Co2 test end (ppm) 1125. Run time (min:sec) 5:00. Window air velocity max 719. Window air velocity min 222. Window air velocity avg 548. Window outside air volume (cfm) avg 731. Window cu-ft 1.33. Window cfm max 959. Window cfm min 296. Window cfm avg 731. wACH max 5.4. wACH min 1.7. wACH avg 4.1. wACH Copy paste check (does not match calcultated) 9.8. Room 17. ACH Copy paste check (uses total or outside) 8.1. Window opening length (inches) 52. Window opening height (inches) 4. Co2 ambient (ppm) 430. Co2 test start (ppm) 2105. Co2 test end (ppm) 1280. Run time (min:sec) 5:00. Window air velocity max 197. Window air velocity min 17. Window air velocity avg 99. Window outside air volume (cfm) avg 143. Window cu-ft 1.44. Window cfm max 285. Window cfm min 25. Window cfm avg 143. wACH max 2.1. wACH min 0.2. wACH avg 1.1. wACH Copy paste check (does not match calcultated) 8.1.

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