Clean Air Buildings

Building Data Report

0. Space Type BOS-School

1. Establishment Name O Donnell Hugh 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 3.1

13. Max ACH 6.1

14. Avg ACH 4.4

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 1318.1

22. cuft 13181

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 107*. ACH Copy paste check (uses total or outside) 4.3. Window opening length (inches) 22. Window opening height (inches) 4. Co2 ambient (ppm) 425. Co2 test start (ppm) 1800. Co2 test end (ppm) 1094. Run time (min:sec) 10:00. Window air velocity max 792. Window air velocity min 340. Window air velocity avg 520. Window outside air volume (cfm) avg 318. Window cu-ft 0.61. Window cfm max 484. Window cfm min 208. Window cfm avg 318. wACH max 3.7. wACH min 1.6. wACH avg 2.4. wACH Copy paste check (does not match calcultated) 4.3.
Room 111*. ACH Copy paste check (uses total or outside) 4. Window opening length (inches) 22. Window opening height (inches) 4. Co2 ambient (ppm) 425. Co2 test start (ppm) 1770. Co2 test end (ppm) 1071. Run time (min:sec) 11:00. Window air velocity max 943. Window air velocity min 149. Window air velocity avg 379. Window outside air volume (cfm) avg 232. Window cu-ft 0.61. Window cfm max 576. Window cfm min 91. Window cfm avg 232. wACH max 4.6. wACH min 0.7. wACH avg 1.8. wACH Copy paste check (does not match calcultated) 4.
Room 202**. ACH Copy paste check (uses total or outside) 3.5. Window opening length (inches) 44. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2192. Co2 test end (ppm) 1336. Run time (min:sec) 11:00. Window air velocity max 398. Window air velocity min 51. Window air velocity avg 158. Window outside air volume (cfm) avg 193. Window cu-ft 1.22. Window cfm max 486. Window cfm min 62. Window cfm avg 193. wACH max 3.7. wACH min 0.5. wACH avg 1.5. wACH Copy paste check (does not match calcultated) 3.5.
Room 212**. ACH Copy paste check (uses total or outside) 6.1. Window opening length (inches) 44. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2631. Co2 test end (ppm) 1746. Run time (min:sec) 5:00. Window air velocity max 433. Window air velocity min 118. Window air velocity avg 248. Window outside air volume (cfm) avg 303. Window cu-ft 1.22. Window cfm max 529. Window cfm min 144. Window cfm avg 303. wACH max 3.9. wACH min 1.1. wACH avg 2.2. wACH Copy paste check (does not match calcultated) 6.1.
Room 205**. ACH Copy paste check (uses total or outside) 5.5. Window opening length (inches) 44. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2142. Co2 test end (ppm) 1158. Run time (min:sec) 9:00. Window air velocity max 394. Window air velocity min 70. Window air velocity avg 196. Window outside air volume (cfm) avg 240. Window cu-ft 1.22. Window cfm max 482. Window cfm min 86. Window cfm avg 240. wACH max 3.6. wACH min 0.6. wACH avg 1.8. wACH Copy paste check (does not match calcultated) 5.5.
Room 103. ACH Copy paste check (uses total or outside) 6.9. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2117. Co2 test end (ppm) 1254. Run time (min:sec) 6:00. Window air velocity max 876. Window air velocity min 266. Window air velocity avg 582. Window outside air volume (cfm) avg 970. Window cu-ft 1.67. Window cfm max 1460. Window cfm min 443. Window cfm avg 970. wACH max 6.6. wACH min 2.0. wACH avg 4.4. wACH Copy paste check (does not match calcultated) 6.9.

0. Space Type	BOS-School
1. Establishment Name	O Donnell Hugh 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	3.1
13. Max ACH	6.1
14. Avg ACH	4.4
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	1318.1
22. cuft	13181
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 107. ACH Copy paste check (uses total or outside) 4.3. Window opening length (inches) 22. Window opening height (inches) 4. Co2 ambient (ppm) 425. Co2 test start (ppm) 1800. Co2 test end (ppm) 1094. Run time (min:sec) 10:00. Window air velocity max 792. Window air velocity min 340. Window air velocity avg 520. Window outside air volume (cfm) avg 318. Window cu-ft 0.61. Window cfm max 484. Window cfm min 208. Window cfm avg 318. wACH max 3.7. wACH min 1.6. wACH avg 2.4. wACH Copy paste check (does not match calcultated) 4.3. Room 111. ACH Copy paste check (uses total or outside) 4. Window opening length (inches) 22. Window opening height (inches) 4. Co2 ambient (ppm) 425. Co2 test start (ppm) 1770. Co2 test end (ppm) 1071. Run time (min:sec) 11:00. Window air velocity max 943. Window air velocity min 149. Window air velocity avg 379. Window outside air volume (cfm) avg 232. Window cu-ft 0.61. Window cfm max 576. Window cfm min 91. Window cfm avg 232. wACH max 4.6. wACH min 0.7. wACH avg 1.8. wACH Copy paste check (does not match calcultated) 4. Room 202. ACH Copy paste check (uses total or outside) 3.5. Window opening length (inches) 44. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2192. Co2 test end (ppm) 1336. Run time (min:sec) 11:00. Window air velocity max 398. Window air velocity min 51. Window air velocity avg 158. Window outside air volume (cfm) avg 193. Window cu-ft 1.22. Window cfm max 486. Window cfm min 62. Window cfm avg 193. wACH max 3.7. wACH min 0.5. wACH avg 1.5. wACH Copy paste check (does not match calcultated) 3.5. Room 212. ACH Copy paste check (uses total or outside) 6.1. Window opening length (inches) 44. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2631. Co2 test end (ppm) 1746. Run time (min:sec) 5:00. Window air velocity max 433. Window air velocity min 118. Window air velocity avg 248. Window outside air volume (cfm) avg 303. Window cu-ft 1.22. Window cfm max 529. Window cfm min 144. Window cfm avg 303. wACH max 3.9. wACH min 1.1. wACH avg 2.2. wACH Copy paste check (does not match calcultated) 6.1. Room 205**. ACH Copy paste check (uses total or outside) 5.5. Window opening length (inches) 44. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2142. Co2 test end (ppm) 1158. Run time (min:sec) 9:00. Window air velocity max 394. Window air velocity min 70. Window air velocity avg 196. Window outside air volume (cfm) avg 240. Window cu-ft 1.22. Window cfm max 482. Window cfm min 86. Window cfm avg 240. wACH max 3.6. wACH min 0.6. wACH avg 1.8. wACH Copy paste check (does not match calcultated) 5.5. Room 103. ACH Copy paste check (uses total or outside) 6.9. Window opening length (inches) 60. Window opening height (inches) 4. Co2 ambient (ppm) 396. Co2 test start (ppm) 2117. Co2 test end (ppm) 1254. Run time (min:sec) 6:00. Window air velocity max 876. Window air velocity min 266. Window air velocity avg 582. Window outside air volume (cfm) avg 970. Window cu-ft 1.67. Window cfm max 1460. Window cfm min 443. Window cfm avg 970. wACH max 6.6. wACH min 2.0. wACH avg 4.4. wACH Copy paste check (does not match calcultated) 6.9.

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