Clean Air Buildings

Building Data Report

0. Space Type BOS-School

1. Establishment Name Snowden International
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 8.4

13. Max ACH 25.6

14. Avg ACH 12.3

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 812.1

22. cuft 8121

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 B-2. ACH Copy paste check (uses total or outside) 12.2. Window opening length (inches) 53. Window opening height (inches) 4. Co2 ambient (ppm) 556. Co2 test start (ppm) 1802. Co2 test end (ppm) 1009. Run time (min:sec) 5:00. Window air velocity max 605. Window air velocity min 402. Window air velocity avg 491. Window outside air volume (cfm) avg 723. Window cu-ft 1.47. Window cfm max 891. Window cfm min 592. Window cfm avg 723. wACH max 9.3. wACH min 6.2. wACH avg 7.5. wACH Copy paste check (does not match calcultated) 12.2.
Room 204. ACH Copy paste check (uses total or outside) 9.1. Window opening length (inches) 45. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2260. Co2 test end (ppm) 1412. Run time (min:sec) 4:00. Window air velocity max 662. Window air velocity min 161. Window air velocity avg 407. Window outside air volume (cfm) avg 509. Window cu-ft 1.25. Window cfm max 828. Window cfm min 201. Window cfm avg 509. wACH max 8.7. wACH min 2.1. wACH avg 5.3. wACH Copy paste check (does not match calcultated) 9.1.
Room 201. ACH Copy paste check (uses total or outside) 8.4. Window opening length (inches) 45. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2060. Co2 test end (ppm) 1226. Run time (min:sec) 5:00. Window air velocity max 903. Window air velocity min 283. Window air velocity avg 709. Window outside air volume (cfm) avg 886. Window cu-ft 1.25. Window cfm max 1129. Window cfm min 354. Window cfm avg 886. wACH max 11.4. wACH min 3.6. wACH avg 8.9. wACH Copy paste check (does not match calcultated) 8.4.
Room 101. ACH Copy paste check (uses total or outside) 9.5. Window opening length (inches) 54. Window opening height (inches) 4. Co2 ambient (ppm) 404. Co2 test start (ppm) 2078. Co2 test end (ppm) 1147. Run time (min:sec) 5:00. Window air velocity max 1333. Window air velocity min 891. Window air velocity avg 954. Window outside air volume (cfm) avg 1431. Window cu-ft 1.50. Window cfm max 2000. Window cfm min 1337. Window cfm avg 1431. wACH max 14.3. wACH min 9.5. wACH avg 10.2. wACH Copy paste check (does not match calcultated) 9.5.
Room 304. ACH Copy paste check (uses total or outside) 9.2. Window opening length (inches) 34. Window opening height (inches) 4. Co2 ambient (ppm) 404. Co2 test start (ppm) 2420. Co2 test end (ppm) 1205. Run time (min:sec) 6:00. Window air velocity max 1662. Window air velocity min 756. Window air velocity avg 841. Window outside air volume (cfm) avg 794. Window cu-ft 0.94. Window cfm max 1570. Window cfm min 714. Window cfm avg 794. wACH max 21.6. wACH min 9.8. wACH avg 10.9. wACH Copy paste check (does not match calcultated) 9.2.
Room 101. ACH Copy paste check (uses total or outside) 10.5. Window opening length (inches) 52. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2105. Co2 test end (ppm) 1108. Run time (min:sec) 5:00. Window air velocity max 332. Window air velocity min 220. Window air velocity avg 332. Window outside air volume (cfm) avg 480. Window cu-ft 1.44. Window cfm max 480. Window cfm min 318. Window cfm avg 480. wACH max 3.5. wACH min 2.3. wACH avg 3.5. wACH Copy paste check (does not match calcultated) 10.5.

0. Space Type	BOS-School
1. Establishment Name	Snowden International
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	8.4
13. Max ACH	25.6
14. Avg ACH	12.3
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	812.1
22. cuft	8121
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 B-2. ACH Copy paste check (uses total or outside) 12.2. Window opening length (inches) 53. Window opening height (inches) 4. Co2 ambient (ppm) 556. Co2 test start (ppm) 1802. Co2 test end (ppm) 1009. Run time (min:sec) 5:00. Window air velocity max 605. Window air velocity min 402. Window air velocity avg 491. Window outside air volume (cfm) avg 723. Window cu-ft 1.47. Window cfm max 891. Window cfm min 592. Window cfm avg 723. wACH max 9.3. wACH min 6.2. wACH avg 7.5. wACH Copy paste check (does not match calcultated) 12.2. Room 204. ACH Copy paste check (uses total or outside) 9.1. Window opening length (inches) 45. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2260. Co2 test end (ppm) 1412. Run time (min:sec) 4:00. Window air velocity max 662. Window air velocity min 161. Window air velocity avg 407. Window outside air volume (cfm) avg 509. Window cu-ft 1.25. Window cfm max 828. Window cfm min 201. Window cfm avg 509. wACH max 8.7. wACH min 2.1. wACH avg 5.3. wACH Copy paste check (does not match calcultated) 9.1. Room 201. ACH Copy paste check (uses total or outside) 8.4. Window opening length (inches) 45. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2060. Co2 test end (ppm) 1226. Run time (min:sec) 5:00. Window air velocity max 903. Window air velocity min 283. Window air velocity avg 709. Window outside air volume (cfm) avg 886. Window cu-ft 1.25. Window cfm max 1129. Window cfm min 354. Window cfm avg 886. wACH max 11.4. wACH min 3.6. wACH avg 8.9. wACH Copy paste check (does not match calcultated) 8.4. Room 101. ACH Copy paste check (uses total or outside) 9.5. Window opening length (inches) 54. Window opening height (inches) 4. Co2 ambient (ppm) 404. Co2 test start (ppm) 2078. Co2 test end (ppm) 1147. Run time (min:sec) 5:00. Window air velocity max 1333. Window air velocity min 891. Window air velocity avg 954. Window outside air volume (cfm) avg 1431. Window cu-ft 1.50. Window cfm max 2000. Window cfm min 1337. Window cfm avg 1431. wACH max 14.3. wACH min 9.5. wACH avg 10.2. wACH Copy paste check (does not match calcultated) 9.5. Room 304. ACH Copy paste check (uses total or outside) 9.2. Window opening length (inches) 34. Window opening height (inches) 4. Co2 ambient (ppm) 404. Co2 test start (ppm) 2420. Co2 test end (ppm) 1205. Run time (min:sec) 6:00. Window air velocity max 1662. Window air velocity min 756. Window air velocity avg 841. Window outside air volume (cfm) avg 794. Window cu-ft 0.94. Window cfm max 1570. Window cfm min 714. Window cfm avg 794. wACH max 21.6. wACH min 9.8. wACH avg 10.9. wACH Copy paste check (does not match calcultated) 9.2. Room 101. ACH Copy paste check (uses total or outside) 10.5. Window opening length (inches) 52. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2105. Co2 test end (ppm) 1108. Run time (min:sec) 5:00. Window air velocity max 332. Window air velocity min 220. Window air velocity avg 332. Window outside air volume (cfm) avg 480. Window cu-ft 1.44. Window cfm max 480. Window cfm min 318. Window cfm avg 480. wACH max 3.5. wACH min 2.3. wACH avg 3.5. wACH Copy paste check (does not match calcultated) 10.5.

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