Re: Excessive Vibration of Pressure Relief Valve

2018-07-19 Thread bcasterline
Well, nothing to share. For some reason the valve was not acting up yesterday like it did in the report. Another reason why I think it has something to do with the discharge pipe going underground and tieing in to storm drain. Who knows what size that is, how many 90s, how far it is to the

RE: Vertical Change for Residential

2018-07-19 Thread Brad Casterline
NFPA 13(2016), 8.6.4 is for SSU and SSP. Listed Residential Sprinklers have a very different requirement for the pattern, so I would not use the same Position rules. https://dps.mn.gov/divisions/sfm/programs-services/Documents/Quick%20Respons e%20Newleter/QR0809SprayPatternsResidential.pdf