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Building Data Report

0. Space Type	BOS-School
1. Establishment Name	McKinley Prep H S
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	2.5
13. Max ACH	5.1
14. Avg ACH	3.5
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	5
21. sqft	443.2
22. cuft	4432
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 202. ACH Copy paste check (uses total or outside) 2.6. Window opening height (inches) 4. Co2 ambient (ppm) 422. Co2 test start (ppm) 2344. Co2 test end (ppm) 1121. Run time (min:sec) 23:00. Window air velocity avg 200. Window cu-ft #VALUE!. Window cfm max #VALUE!. Window cfm min #VALUE!. Window cfm avg #VALUE!. wACH max #VALUE!. wACH min #VALUE!. wACH avg #VALUE!. wACH Copy paste check (does not match calcultated) 2.6. Room 210. ACH Copy paste check (uses total or outside) 2.5. Window opening height (inches) 4. Co2 ambient (ppm) 418. Co2 test start (ppm) 2430. Co2 test end (ppm) 1140. Run time (min:sec) 25:00:00. Window air velocity avg 700. Window cu-ft #VALUE!. Window cfm max #VALUE!. Window cfm min #VALUE!. Window cfm avg #VALUE!. wACH max #VALUE!. wACH min #VALUE!. wACH avg #VALUE!. wACH Copy paste check (does not match calcultated) 2.5. Room 206. ACH Copy paste check (uses total or outside) 2.8. Window opening height (inches) 4. Co2 ambient (ppm) 418. Co2 test start (ppm) 2930. Co2 test end (ppm) 1330. Run time (min:sec) 22:00. Window air velocity avg 300. Window cu-ft #VALUE!. Window cfm max #VALUE!. Window cfm min #VALUE!. Window cfm avg #VALUE!. wACH max #VALUE!. wACH min #VALUE!. wACH avg #VALUE!. wACH Copy paste check (does not match calcultated) 2.8. Room 3. ACH Copy paste check (uses total or outside) 4.8. Window opening height (inches) 4. Co2 ambient (ppm) 418. Co2 test start (ppm) 2368. Co2 test end (ppm) 1106. Run time (min:sec) 13:00. Window air velocity avg 500. Window cu-ft #VALUE!. Window cfm max #VALUE!. Window cfm min #VALUE!. Window cfm avg #VALUE!. wACH max #VALUE!. wACH min #VALUE!. wACH avg #VALUE!. wACH Copy paste check (does not match calcultated) 4.8. Room Library. ACH Copy paste check (uses total or outside) 9.3. Window opening length (inches) 39. Window opening height (inches) 4. Co2 ambient (ppm) 420. Co2 test start (ppm) 2253. Co2 test end (ppm) 1408. Run time (min:sec) 4:00. Window air velocity max 735. Window air velocity min 207. Window air velocity avg 504. Window outside air volume (cfm) avg 546. Window cu-ft 1.08. Window cfm max 796. Window cfm min 224. Window cfm avg 546. wACH max 10.8. wACH min 3.0. wACH avg 7.4. wACH Copy paste check (does not match calcultated) 9.3.

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