Clean Air Buildings

Building Data Report

0. Space Type BOS-School

1. Establishment Name TechBoston Acad
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 7.4

13. Max ACH 20

14. Avg ACH 12.5

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 7

21. sqft 784.2

22. cuft 7842

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 100B*. ACH Copy paste check (uses total or outside) 18.1. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 417. Co2 test start (ppm) 2003. Co2 test end (ppm) 1286. Run time (min:sec) 2:00. Window air velocity max 743. Window air velocity min 157. Window air velocity avg 844. Window outside air volume (cfm) avg 1688. Window cu-ft 2.00. Window cfm max 1486. Window cfm min 314. Window cfm avg 1688. wACH max 18.1. wACH min 3.8. wACH avg 20.6. wACH Copy paste check (does not match calcultated) 18.1.
Room 105. ACH Copy paste check (uses total or outside) 7.9. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 417. Co2 test start (ppm) 2083. Co2 test end (ppm) 1278. Run time (min:sec) 5:00. Window air velocity max 660. Window air velocity min 73. Window air velocity avg 375. Window outside air volume (cfm) avg 750. Window cu-ft 2.00. Window cfm max 1320. Window cfm min 146. Window cfm avg 750. wACH max 8.6. wACH min 0.9. wACH avg 4.9. wACH Copy paste check (does not match calcultated) 7.9.
Room 116. ACH Copy paste check (uses total or outside) 7.8. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 417. Co2 test start (ppm) 2117. Co2 test end (ppm) 1305. Run time (min:sec) 5:00. Window air velocity max 611. Window air velocity min 66. Window air velocity avg 366. Window outside air volume (cfm) avg 732. Window cu-ft 2.00. Window cfm max 1222. Window cfm min 132. Window cfm avg 732. wACH max 7.7. wACH min 0.8. wACH avg 4.6. wACH Copy paste check (does not match calcultated) 7.8.
Room 204. ACH Copy paste check (uses total or outside) 7.4. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2106. Co2 test end (ppm) 1210. Run time (min:sec) 6:00. Window air velocity max 596. Window air velocity min 135. Window air velocity avg 332. Window outside air volume (cfm) avg 553. Window cu-ft 1.67. Window cfm max 993. Window cfm min 225. Window cfm avg 553. wACH max 6.7. wACH min 1.5. wACH avg 3.7. wACH Copy paste check (does not match calcultated) 7.4.
Room 207. ACH Copy paste check (uses total or outside) 20. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2193. Co2 test end (ppm) 1040. Run time (min:sec) 3:00. Window air velocity max 656. Window air velocity min 45. Window air velocity avg 357. Window outside air volume (cfm) avg 714. Window cu-ft 2.00. Window cfm max 1312. Window cfm min 90. Window cfm avg 714. wACH max 19.4. wACH min 1.3. wACH avg 10.6. wACH Copy paste check (does not match calcultated) 20.
Room 319. ACH Copy paste check (uses total or outside) 9. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2059. Co2 test end (ppm) 980. Run time (min:sec) 7:00. Window air velocity max 989. Window air velocity min 65. Window air velocity avg 506. Window outside air volume (cfm) avg 1012. Window cu-ft 2.00. Window cfm max 1978. Window cfm min 130. Window cfm avg 1012. wACH max 13.2. wACH min 0.9. wACH avg 6.7. wACH Copy paste check (does not match calcultated) 9.
Room 215. ACH Copy paste check (uses total or outside) 6.6. Window opening length (inches) 62. Window opening height (inches) 4. Co2 ambient (ppm) 439. Co2 test start (ppm) 2009. Co2 test end (ppm) 1247. Run time (min:sec) 6:00. Window air velocity max 433. Window air velocity min 63. Window air velocity avg 255. Window outside air volume (cfm) avg 439. Window cu-ft 1.72. Window cfm max 746. Window cfm min 109. Window cfm avg 439. wACH max 5.7. wACH min 0.8. wACH avg 3.4. wACH Copy paste check (does not match calcultated) 6.6.

0. Space Type	BOS-School
1. Establishment Name	TechBoston Acad
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	7.4
13. Max ACH	20
14. Avg ACH	12.5
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	7
21. sqft	784.2
22. cuft	7842
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 100B*. ACH Copy paste check (uses total or outside) 18.1. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 417. Co2 test start (ppm) 2003. Co2 test end (ppm) 1286. Run time (min:sec) 2:00. Window air velocity max 743. Window air velocity min 157. Window air velocity avg 844. Window outside air volume (cfm) avg 1688. Window cu-ft 2.00. Window cfm max 1486. Window cfm min 314. Window cfm avg 1688. wACH max 18.1. wACH min 3.8. wACH avg 20.6. wACH Copy paste check (does not match calcultated) 18.1. Room 105. ACH Copy paste check (uses total or outside) 7.9. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 417. Co2 test start (ppm) 2083. Co2 test end (ppm) 1278. Run time (min:sec) 5:00. Window air velocity max 660. Window air velocity min 73. Window air velocity avg 375. Window outside air volume (cfm) avg 750. Window cu-ft 2.00. Window cfm max 1320. Window cfm min 146. Window cfm avg 750. wACH max 8.6. wACH min 0.9. wACH avg 4.9. wACH Copy paste check (does not match calcultated) 7.9. Room 116. ACH Copy paste check (uses total or outside) 7.8. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 417. Co2 test start (ppm) 2117. Co2 test end (ppm) 1305. Run time (min:sec) 5:00. Window air velocity max 611. Window air velocity min 66. Window air velocity avg 366. Window outside air volume (cfm) avg 732. Window cu-ft 2.00. Window cfm max 1222. Window cfm min 132. Window cfm avg 732. wACH max 7.7. wACH min 0.8. wACH avg 4.6. wACH Copy paste check (does not match calcultated) 7.8. Room 204. ACH Copy paste check (uses total or outside) 7.4. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2106. Co2 test end (ppm) 1210. Run time (min:sec) 6:00. Window air velocity max 596. Window air velocity min 135. Window air velocity avg 332. Window outside air volume (cfm) avg 553. Window cu-ft 1.67. Window cfm max 993. Window cfm min 225. Window cfm avg 553. wACH max 6.7. wACH min 1.5. wACH avg 3.7. wACH Copy paste check (does not match calcultated) 7.4. Room 207. ACH Copy paste check (uses total or outside) 20. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2193. Co2 test end (ppm) 1040. Run time (min:sec) 3:00. Window air velocity max 656. Window air velocity min 45. Window air velocity avg 357. Window outside air volume (cfm) avg 714. Window cu-ft 2.00. Window cfm max 1312. Window cfm min 90. Window cfm avg 714. wACH max 19.4. wACH min 1.3. wACH avg 10.6. wACH Copy paste check (does not match calcultated) 20. Room 319. ACH Copy paste check (uses total or outside) 9. Window opening length (inches) 72. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2059. Co2 test end (ppm) 980. Run time (min:sec) 7:00. Window air velocity max 989. Window air velocity min 65. Window air velocity avg 506. Window outside air volume (cfm) avg 1012. Window cu-ft 2.00. Window cfm max 1978. Window cfm min 130. Window cfm avg 1012. wACH max 13.2. wACH min 0.9. wACH avg 6.7. wACH Copy paste check (does not match calcultated) 9. Room 215. ACH Copy paste check (uses total or outside) 6.6. Window opening length (inches) 62. Window opening height (inches) 4. Co2 ambient (ppm) 439. Co2 test start (ppm) 2009. Co2 test end (ppm) 1247. Run time (min:sec) 6:00. Window air velocity max 433. Window air velocity min 63. Window air velocity avg 255. Window outside air volume (cfm) avg 439. Window cu-ft 1.72. Window cfm max 746. Window cfm min 109. Window cfm avg 439. wACH max 5.7. wACH min 0.8. wACH avg 3.4. wACH Copy paste check (does not match calcultated) 6.6.

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