This Weeks Discoveries in Home Inspections 4/10/2018

Construction/Building Information-

CONSTRUCTION VOCABULARY

https://habitatcaz.org/documents/construction/Construction-Vocabulary.pdf

Building Science Information-

This has particular interest to me.

https://buildingscience.com/documents/published-articles/pa-moisture-fat-walls/view

Building Codes/Technical Documents-



Construct a Solid, Squeak-Free Floor System

http://www.ncwhomeinspections.com/system/files/userfiles/1_Q300_APA_Squeak_free_floor.pdf

Electrical

A little older article but still cover the bases of EGC and bonding.

Equipment grounding is essential for safety in electrical systems operating at 600 volts or less and for those operating at over 600 volts. Although the requirements vary slightly for both systems, the performance objectives of equipment grounding are the same. This article provided a basic overview of equipment grounding requirements in theNECand reviewed what grounding equipment is intended to accomplish from a performance standpoint.

https://iaeimagazine.org/magazine/2008/03/16/equipment-grounding-for-safety/

Plumbing/HVAC

Copeland Scroll Compressors for Air Conditioning-

Lots of good information here-

http://www.emerson.com/documents/commercial-residential/5-to-12-ton-zp-k3-zp-kc-zp-kw-r-410a-copeland-scroll-compressors-for-air-conditioning-en-us-160780.pdf

Here is the WAC on ventilation. Really is worth reading through.

WAC 51-51-1507 Section M1507—Mechanical ventilation.

http://apps.leg.wa.gov/wac/default.aspx?cite=51-51-1507


ATTIC EQUIPMENT CODES

https://hvacrschool.com/attic-equipment-codes/?utm_source=TechTips&utm_campaign=415b41e2bd-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_608fe06f1d-415b41e2bd-64209185

Whole house ventilation has been required in Wa St since 1991

WHOLE-HOUSE VENTILATION SYSTEMS Improved control of air quality

https://www.nrel.gov/docs/fy03osti/26458.pdf

Many ductless systems and some high-efficiency unitary systems have electronic expansion valves.

If you find one that is stuck closed you may be able to get it open temporarily by using a strong magnet.

https://hvacrschool.com/get-an-eev-open-like-magic/?utm_source=TechTips&utm_campaign=4a9593f269-RSS_EMAIL_CAMPAIGN&utm_medium=email&utm_term=0_608fe06f1d-4a9593f269-64209185

Product Information-

For those C2/C3 users

User’s manual FLIR Cx series

https://whcooke.com/files/extech_flirc2_manual.pdf

Product Recalls

Miscellaneous Information-

Misdiagnosis of spider bites in the Western States

https://urban.ucr.edu/docs/Spiders/%20VetterToxicon.pdf


Hard to think about it with winter not giving up its grip but wildfire season will soon be on us.

https://www.nfpa.org/Public-Education/Campaigns/National-Wildfire-Community-Preparedness-Day

WDO-

This was prepared by Laurel D. Hansen, Ph.D.  Who is one of the experts on Carpenter Ants.

CARPENTER ANTS: THEIR BIOLOGY AND CONTROL

http://cru.cahe.wsu.edu/CEPublications/eb0818/eb0818.pdf

" You can only teach someone, as much as they are willing to learn."

Chris G. Varona

If you find any errors or have additional information that would expand on any code, building standards or manufacturer requirements please let me know.

NCW Home Inspections, LLC  is a Licensed Washington State Home Inspection service located in Wenatchee Washington serving Chelan County, Douglas County, Kittitas County, Okanogan County and Grant County Washington and the cities of Wenatchee, Leavenworth, Cashmere, Oroville, Cle Elum, East Wenatchee, Quincy and many more…  

Your Wenatchee and Chelan Professional Real Estate, Home and Structural Pest Inspection Service

Instructor- Fundamentals of Home Inspection-  Bellingham Technical College

WA Home Inspector Advisory Licensing Board

www.ncwhomeinspections.com                                                   509-670-9572

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