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CITY OF TIGARD
11 , 1 410 360 PNISII , ON
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ROTH Korr MacGregor
HEATING & COOLING I' eslri: r,t
Crawl Ventilation for Gabriel Woods
1950 cubic ft. air space in crawl
150 cfm. fan with humidistat will change out air in crawl 4.6— times an hour
crawl ventilation provided by Roth Heating and Cooling
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91. 503.266. :275 • ra. 503 2EE.34'3 • Cceo 1400e
Crnrrcl Oregon Branch • 2933 Slk H.yi Desert Drive •Prirovil'e Oregon 97734
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Re: Alternative Crawl Space Ventilation for Gabriel Woods subdivision
MAR '.... %.:)
Attn: Mark Cal; Y F Ti3A O
f U0LD L
Due to the foundation vent limitations on the interior units here at Gabriel Woods not allowing
us to provide the adequate amount of crawl venting we have had Roth Heating and Cooling provide
Humidistat fans for these crawl spaces. By using a 6" 150 CFM placed in the crawl with 6" ducting
running from the foundation vents in the back to the front crawl space, this 150 CFM fan will replace
the 1950 Cubic feet of air space 4.6 times an hour and will be able to pull air from all areas of the crawl
space. The fan is also wired with a humidistat sensor that will gauge the humidity of the crawl space
and function as needed. We have also provided the fan with a troubleshooting line that runs to the ga-
rage where a red sensor light will turn on if ever needed to indicate that the fan is not functioning prop-
erly.
The following are the Lot numbers, Addresses and Permit numbers for all homes that require this me-
chanical Ventilation:
Lot 2: 13865 SW Anna Ct. MST 2006- 100444,--
- Lot 3: 13852 SW Anna Ct. MST 2006- 10045k ` { A
6 ' ' r .: �,
Lot 6: 13819 SW Anna Ct. MST 2006 -10048 a'
Lot 7: 13807 SW Anna Ct. MST 2006 - 10049*-
V Lot 12: 13804 SW Anna Ct: MST 2006- 10052
/ Lot 13: 13814 SW Anna Cf. MST 2006 - 10053
Lot 14: 13826 SW Anna Ct. MST 2006 -10054 A
V Lot 17: 11472 SW Lomax Terr. MST 2006- 10057k
Lot 18: 11480 SW Lomax Terr. MST 2006 - 10058
ti Lot 19: 11488 SW Lomax Terr. MST 2006 - 10059
Lot 22: 11489 SW Rebecca Ten. MST 2006-100624 -
Lot 23: 11481 SW Rebecca Ten. MST 2006-100631
Lot 24: 11475 SW Rebecca Ten. MST 2006-100649 -
Thank you,
Brad Miller
Project Manager
INTEX Custom Homes