Clean Air Buildings

Building Data Report

0. Space Type BOS-School

1. Establishment Name Otis James 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 3.4

13. Max ACH 7.5

14. Avg ACH 5.8

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 1103.7

22. cuft 11037

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 100. ACH Copy paste check (uses total or outside) 7.5. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2041. Co2 test end (ppm) 999. Run time (min:sec) 8:00. Window air velocity max 819. Window air velocity min 475. Window air velocity avg 600. Window outside air volume (cfm) avg 1000. Window cu-ft 1.67. Window cfm max 1365. Window cfm min 792. Window cfm avg 1000. wACH max 9.0. wACH min 5.2. wACH avg 6.6. wACH Copy paste check (does not match calcultated) 7.5.
Room 205. ACH Copy paste check (uses total or outside) 5.8. Window opening length (inches) 69. Window opening height (inches) 4. Co2 ambient (ppm) 412. Co2 test start (ppm) 1867. Co2 test end (ppm) 1087. Run time (min:sec) 8:00. Window air velocity max 1004. Window air velocity min 254. Window air velocity avg 581. Window outside air volume (cfm) avg 1114. Window cu-ft 1.92. Window cfm max 1924. Window cfm min 487. Window cfm avg 1114. wACH max 11.4. wACH min 2.9. wACH avg 6.6. wACH Copy paste check (does not match calcultated) 5.8.
Room 201. ACH Copy paste check (uses total or outside) 4.8. Window opening length (inches) 69. Window opening height (inches) 4. Co2 ambient (ppm) 412. Co2 test start (ppm) 2024. Co2 test end (ppm) 1122. Run time (min:sec) 9:00. Window air velocity max 576. Window air velocity min 174. Window air velocity avg 424. Window outside air volume (cfm) avg 813. Window cu-ft 1.92. Window cfm max 1104. Window cfm min 334. Window cfm avg 813. wACH max 6.8. wACH min 2.1. wACH avg 5.0. wACH Copy paste check (does not match calcultated) 4.8.
Room 306. ACH Copy paste check (uses total or outside) 3.4. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2150. Co2 test end (ppm) 1330. Run time (min:sec) 11:00. Window air velocity max 286. Window air velocity min 30. Window air velocity avg 103. Window outside air volume (cfm) avg 172. Window cu-ft 1.67. Window cfm max 477. Window cfm min 50. Window cfm avg 172. wACH max 2.9. wACH min 0.3. wACH avg 1.0. wACH Copy paste check (does not match calcultated) 3.4.
Room 307A. ACH Copy paste check (uses total or outside) 6.4. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2108. Co2 test end (ppm) 1300. Run time (min:sec) 6:00. Window air velocity max 98. Window air velocity min 17. Window air velocity avg 48. Window outside air volume (cfm) avg 80. Window cu-ft 1.67. Window cfm max 163. Window cfm min 28. Window cfm avg 80. wACH max 2.3. wACH min 0.4. wACH avg 1.1. wACH Copy paste check (does not match calcultated) 6.4.
Room 1. ACH Copy paste check (uses total or outside) 5.6. Window opening length (inches) 42. Window opening height (inches) 4. Co2 ambient (ppm) 415. Co2 test start (ppm) 1900. Co2 test end (ppm) 1900. Run time (min:sec) 8:00. Window air velocity max 698. Window air velocity min 359. Window air velocity avg 544. Window outside air volume (cfm) avg 635. Window cu-ft 1.17. Window cfm max 814. Window cfm min 419. Window cfm avg 635. wACH max 4.4. wACH min 2.3. wACH avg 3.5. wACH Copy paste check (does not match calcultated) 5.6.

0. Space Type	BOS-School
1. Establishment Name	Otis James 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	3.4
13. Max ACH	7.5
14. Avg ACH	5.8
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	1103.7
22. cuft	11037
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 100. ACH Copy paste check (uses total or outside) 7.5. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2041. Co2 test end (ppm) 999. Run time (min:sec) 8:00. Window air velocity max 819. Window air velocity min 475. Window air velocity avg 600. Window outside air volume (cfm) avg 1000. Window cu-ft 1.67. Window cfm max 1365. Window cfm min 792. Window cfm avg 1000. wACH max 9.0. wACH min 5.2. wACH avg 6.6. wACH Copy paste check (does not match calcultated) 7.5. Room 205. ACH Copy paste check (uses total or outside) 5.8. Window opening length (inches) 69. Window opening height (inches) 4. Co2 ambient (ppm) 412. Co2 test start (ppm) 1867. Co2 test end (ppm) 1087. Run time (min:sec) 8:00. Window air velocity max 1004. Window air velocity min 254. Window air velocity avg 581. Window outside air volume (cfm) avg 1114. Window cu-ft 1.92. Window cfm max 1924. Window cfm min 487. Window cfm avg 1114. wACH max 11.4. wACH min 2.9. wACH avg 6.6. wACH Copy paste check (does not match calcultated) 5.8. Room 201. ACH Copy paste check (uses total or outside) 4.8. Window opening length (inches) 69. Window opening height (inches) 4. Co2 ambient (ppm) 412. Co2 test start (ppm) 2024. Co2 test end (ppm) 1122. Run time (min:sec) 9:00. Window air velocity max 576. Window air velocity min 174. Window air velocity avg 424. Window outside air volume (cfm) avg 813. Window cu-ft 1.92. Window cfm max 1104. Window cfm min 334. Window cfm avg 813. wACH max 6.8. wACH min 2.1. wACH avg 5.0. wACH Copy paste check (does not match calcultated) 4.8. Room 306. ACH Copy paste check (uses total or outside) 3.4. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2150. Co2 test end (ppm) 1330. Run time (min:sec) 11:00. Window air velocity max 286. Window air velocity min 30. Window air velocity avg 103. Window outside air volume (cfm) avg 172. Window cu-ft 1.67. Window cfm max 477. Window cfm min 50. Window cfm avg 172. wACH max 2.9. wACH min 0.3. wACH avg 1.0. wACH Copy paste check (does not match calcultated) 3.4. Room 307A. ACH Copy paste check (uses total or outside) 6.4. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2108. Co2 test end (ppm) 1300. Run time (min:sec) 6:00. Window air velocity max 98. Window air velocity min 17. Window air velocity avg 48. Window outside air volume (cfm) avg 80. Window cu-ft 1.67. Window cfm max 163. Window cfm min 28. Window cfm avg 80. wACH max 2.3. wACH min 0.4. wACH avg 1.1. wACH Copy paste check (does not match calcultated) 6.4. Room 1. ACH Copy paste check (uses total or outside) 5.6. Window opening length (inches) 42. Window opening height (inches) 4. Co2 ambient (ppm) 415. Co2 test start (ppm) 1900. Co2 test end (ppm) 1900. Run time (min:sec) 8:00. Window air velocity max 698. Window air velocity min 359. Window air velocity avg 544. Window outside air volume (cfm) avg 635. Window cu-ft 1.17. Window cfm max 814. Window cfm min 419. Window cfm avg 635. wACH max 4.4. wACH min 2.3. wACH avg 3.5. wACH Copy paste check (does not match calcultated) 5.6.

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