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Correspondence Kory MacGregor President ROTH HEATING & COOLING Ventilation for any unit with inadequate ventilation Roth Heating and Cooling will install a 200 CFM fan which will ventilate the crawl space. The crawl space is approximately 1,100 cubic ft. divided by 200 cubic feet per minute. This fan will change the air out 10 times an hour. Corporate Headquarters - P.O. Box 1265 •6990 S. Anderson Road • Canby, Oregon 97013 Ph. 503.266.1249 • Fax: 503.266.3478 • CCB# 14008 www.roth-heat.com t ry Site Address: Building Division Transmittal Letter DATE RECEIVED: TO: l ~ Nc b© ~ DEPT: BUILDING DIVISION MXIVE MAR 12 2007 FROM: s 0 ~'4 m i j1 c°' ~ BU Df G r'GARD ~ COMPANY: T DfViSIpN N t l= l ,~s i~ ~~v~ PHONE SG3 7`9 I K 'V53 By. RE: M S-L 2(M - J D OS s L v r 7-ey-e ' (Case number, site address, etc.) l bar-- I (Project name or subdivision name nd lot jnutmnret) ATTACHED ARE THE FOLLOWING ITEMS: Copies: Description: Copies: Description: Additional set(s) of plans. Revisions: Cross section(s) and details. Wall bracing and/or lateral analysis. Floor/roof framing. Basement and retaining walls. Beam calculations. Engineer's calculations. Other (explain): REMARKS: FOR OFFICE USE ONLY Routed to Permit Technician- Date: Initials: Fees Due: ❑ Yes No Fee Description: Amount Due: Special Instructions: Reprint Permit (per PE): ❑ Yes No ❑ Done Applicant Notified: Date: Initials: I:Building\Forms\Ltr-Transmittal.doc 02/20/07 x , TIM in~ Li Re: Alternative Crawl Space Ventilation for Gabriel Woods subdivision ! 1' > ,_ZIJ 0zI Attn: Mark 1 I?.DOI 0. D. 3 , or,i 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 2006-10044y- Lot 3: 13852 SW Anna Ct. MST 2006-10045 & " o' ' ing, Lot 6: 13 819 SW Anna Ct. MST 2006-10048 y~ N 1F Lot 7: 13807 SW Anna Ct. MST 2006-100491+- Lot 12: 13804 SW Anna Ct: MST 2006-10052'' .0 Lot 13: 13814 SW Anna Cf. MST 2006-10053'x' 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 t V Lot 19: 11488 SW Lomax Terr. MST 2006-10050- Lot 22: 11489 SW Rebecca Terr. MST 2006-10062+ Lot 23: 11481 SW Rebecca Terr. MST 2006-10063'F Lot 24: 11475 SW Rebecca Terr. MST 2006-10064~ Thank you, Brad Miller Project Manager INTEX Custom Homes pT ROT I Vt., MacGregor -esident HEATING & COOLING Crawl Vent0aticn for Gabriel Woods 1950 cubic ft. air space in crawl 150 cfcn fan with humidistat will change out air in crawl 4.6- Mmes an hour crawl ventilation provided by Roth Heating and Cooling "~ECEIVIED n / MAR I vim: 12 CITY 2001 BIJILD°IVG 1IGAROD ,i ly of Tigard AV Plans `7 i3 V Date ~~13 Cvr30r3te Hcacqu rters • P.V. F.ox 75: •659G 5 Anderson Road , Canby, 0,0.90' gi073 5D3.266. Z'1S - Far 503 2EE.3478 • CC 134 14009 Crnerai Oregon Branch - 2939 i%& H:o ~i Desert Drive •Pr iewilie. Oregon 977A \4obife :4'. 945.1;10 • Office 541,1 E.000L ',:665,- wwk.roth->+°at. com p. 4 E j l ToT~ 0,/ Fr Or ,gin r:1 f r ti ap i HOY A y l RECEIVED . MAR 1 2 ; CITY Of- "t jGARD SWLDINGUYISION H 4 r t s ~ A i