Clean Air Building Certificate

Space Type: BOS-School
Establishment Name: Kennedy Acad Hlth Careers
Address: address
City: Boston
State / Province: MA
Country: USA
Date: 03/21/2021
Data Source: School District
Performed by: External Company
Company Name Address Contact: Cashins & Associates, Inc. 599 North Ave #8, Wakefield, MA 01880
Requirement Source: Boston School 3 ACH guideline

Technology: Natural Ventilation
Min ACH: 2.9 Max ACH: 7.1 Avg ACH: 4.9 eACH: 0
Filter MERV:
Percent Outside Air: 100
ON and Ventilates Entire Indoor Area: Yes
Vent Clearance min 6 ft: Yes
No of Rooms: 6 sqft: 807 cuft: 8070 No of Buildings: 1

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 103. ACH Copy paste check (uses total or outside) 4.9. Window opening length (inches) 40. Window opening height (inches) 4. Co2 ambient (ppm) 435. Co2 test start (ppm) 2160. Co2 test end (ppm) 1328. Run time (min:sec) 8:00. Window air velocity max 913. Window air velocity min 117. Window air velocity avg 494. Window outside air volume (cfm) avg 549. Window cu-ft 1.11. Window cfm max 1014. Window cfm min 130. Window cfm avg 549. wACH max 6.6. wACH min 0.8. wACH avg 3.6. wACH Copy paste check (does not match calcultated) 4.9.

Room 110. ACH Copy paste check (uses total or outside) 5.2. Window opening length (inches) 42. Window opening height (inches) 4. Co2 ambient (ppm) 409. Co2 test start (ppm) 2345. Co2 test end (ppm) 1561. Run time (min:sec) 6:00. Window air velocity max 781. Window air velocity min 219. Window air velocity avg 562. Window outside air volume (cfm) avg 656. Window cu-ft 1.17. Window cfm max 911. Window cfm min 256. Window cfm avg 656. wACH max 5.0. wACH min 1.4. wACH avg 3.6. wACH Copy paste check (does not match calcultated) 5.2.

Room 204. ACH Copy paste check (uses total or outside) 2.9. Window opening length (inches) 42. Window opening height (inches) 4. Co2 ambient (ppm) 409. Co2 test start (ppm) 2150. Co2 test end (ppm) 1540. Run time (min:sec) 9:00. Window air velocity max 650. Window air velocity min 162. Window air velocity avg 299. Window outside air volume (cfm) avg 349. Window cu-ft 1.17. Window cfm max 758. Window cfm min 189. Window cfm avg 349. wACH max 4.4. wACH min 1.1. wACH avg 2.0. wACH Copy paste check (does not match calcultated) 2.9.

Room 209. ACH Copy paste check (uses total or outside) 4.6. Window opening length (inches) 42. Window opening height (inches) 4. Co2 ambient (ppm) 590. Co2 test start (ppm) 1861. Co2 test end (ppm) 1136. Run time (min:sec) 11:00. Window air velocity max 731. Window air velocity min 88. Window air velocity avg 395. Window outside air volume (cfm) avg 461. Window cu-ft 1.17. Window cfm max 853. Window cfm min 103. Window cfm avg 461. wACH max 4.2. wACH min 0.5. wACH avg 2.3. wACH Copy paste check (does not match calcultated) 4.6.

Room 210. ACH Copy paste check (uses total or outside) 4.9. Window opening length (inches) 42. Window opening height (inches) 4. Co2 ambient (ppm) 590. Co2 test start (ppm) 2080. Co2 test end (ppm) 1254. Run time (min:sec) 10:00. Window air velocity max 545. Window air velocity min 274. Window air velocity avg 366. Window outside air volume (cfm) avg 427. Window cu-ft 1.17. Window cfm max 636. Window cfm min 320. Window cfm avg 427. wACH max 2.9. wACH min 1.5. wACH avg 2.0. wACH Copy paste check (does not match calcultated) 4.9.

Room 201. ACH Copy paste check (uses total or outside) 3.9. Window opening length (inches) 46. Window opening height (inches) 4. Co2 ambient (ppm) 385. Co2 test start (ppm) 1876. Co2 test end (ppm) 1213. Run time (min:sec) 9:00. Window air velocity max 617. Window air velocity min 102. Window air velocity avg 295. Window outside air volume (cfm) avg 377. Window cu-ft 1.28. Window cfm max 788. Window cfm min 130. Window cfm avg 377. wACH max 5.9. wACH min 1.0. wACH avg 2.8. wACH Copy paste check (does not match calcultated) 3.9.

In the wake of the COVID-19 disaster many are calling for a paradigm shift in how citizens and government officials think about the quality of the air we breathe indoors. This Clean Air Certificate lets you know that those who operate this building are thinking about the air that we breathe in this building. They have disclosed the ventilation performance of this building so that we all become educated and we never have another indoor infection disaster again.