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About Us | Contact Us |
0. Space Type | BOS-School |
1. Establishment Name | Holmes Oliver Wendell |
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 | 3.8 |
13. Max ACH | 23 |
14. Avg ACH | 10.7 |
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 | 926.8 |
22. cuft | 9268 |
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 1. ACH Copy paste check (uses total or outside) 23. Window opening length (inches) 47. Window opening height (inches) 4. Co2 ambient (ppm) 401. Co2 test start (ppm) 2000. Co2 test end (ppm) 1139. Run time (min:sec) 2:00. Window air velocity max 732. Window air velocity min 696. Window air velocity avg 714. Window outside air volume (cfm) avg 932. Window cu-ft 1.31. Window cfm max 956. Window cfm min 909. Window cfm avg 932. wACH max 18.7. wACH min 17.8. wACH avg 18.2. wACH Copy paste check (does not match calcultated) 23. Room 304. ACH Copy paste check (uses total or outside) 3.8. Window opening length (inches) 48. Window opening height (inches) 4. Co2 ambient (ppm) 443. Co2 test start (ppm) 1969. Co2 test end (ppm) 1207. Run time (min:sec) 11:00. Window air velocity max 485. Window air velocity min 63. Window air velocity avg 288. Window outside air volume (cfm) avg 384. Window cu-ft 1.33. Window cfm max 647. Window cfm min 84. Window cfm avg 384. wACH max 4.0. wACH min 0.5. wACH avg 2.4. wACH Copy paste check (does not match calcultated) 3.8. Room 301. ACH Copy paste check (uses total or outside) 4.5. Window opening length (inches) 48. Window opening height (inches) 4. Co2 ambient (ppm) 443. Co2 test start (ppm) 2010. Co2 test end (ppm) 1247. Run time (min:sec) 9:00. Window air velocity max 464. Window air velocity min 46. Window air velocity avg 237. Window outside air volume (cfm) avg 316. Window cu-ft 1.33. Window cfm max 619. Window cfm min 61. Window cfm avg 316. wACH max 3.3. wACH min 0.3. wACH avg 1.7. wACH Copy paste check (does not match calcultated) 4.5. Room 2. ACH Copy paste check (uses total or outside) 7.9. Window opening length (inches) 47. Window opening height (inches) 4. Co2 ambient (ppm) 380. Co2 test start (ppm) 2135. Co2 test end (ppm) 1290. Run time (min:sec) 5:00. Window air velocity max 549. Window air velocity min 532. Window air velocity avg 540. Window outside air volume (cfm) avg 705. Window cu-ft 1.31. Window cfm max 717. Window cfm min 695. Window cfm avg 705. wACH max 3.8. wACH min 3.6. wACH avg 3.7. wACH Copy paste check (does not match calcultated) 7.9. Room 4. ACH Copy paste check (uses total or outside) 19.5. Window opening length (inches) 47. Window opening height (inches) 4. Co2 ambient (ppm) 380. Co2 test start (ppm) 2200. Co2 test end (ppm) 1330. Run time (min:sec) 2:00. Window air velocity max 732. Window air velocity min 696. Window air velocity avg 714. Window outside air volume (cfm) avg 932. Window cu-ft 1.31. Window cfm max 956. Window cfm min 909. Window cfm avg 932. wACH max 16.1. wACH min 15.3. wACH avg 15.7. wACH Copy paste check (does not match calcultated) 19.5. Room 2. ACH Copy paste check (uses total or outside) 6.5. Window opening length (inches) 43. Window opening height (inches) 4. Co2 ambient (ppm) 400. Co2 test start (ppm) 2130. Co2 test end (ppm) 1306. Run time (min:sec) 6:00. Window air velocity max 770. Window air velocity min 307. Window air velocity avg 570. Window outside air volume (cfm) avg 681. Window cu-ft 1.19. Window cfm max 920. Window cfm min 367. Window cfm avg 681. wACH max 6.0. wACH min 2.4. wACH avg 4.4. wACH Copy paste check (does not match calcultated) 6.5. |