RE: STANDPIPES NFPA 14

2020-08-07 Thread Steve Leyton via Sprinklerforum
Cesar: When a standpipe supplies two or more hose connections on a single level, it's defined as a horizontal standpipe. USUALLY (but not always) there is a turn from vertical to horizontal when this happens, which helps to contrast horizontal from vertical standpipes. There may be

Re: Residential Sprinklers in Stairs

2020-08-07 Thread Mark Phillips via Sprinklerforum
In a condo all residential heads within in the Unit In apartments Residential in the unit and extended coverage in hallways All other service areas QR heads Sent from my mobile device Please excuse spelling, grammar, and auto correction. Mark Phillips Branch Manager Fire Sprinkler Design,

Residential Sprinklers in Stairs

2020-08-07 Thread Tony Silva via Sprinklerforum
In a residential building (such as a condominium), I have always used non-residential quick response sprinklers in the stairs, with residential sprinklers only in the dwelling units and adjacent corridors. There was a time when the code permitted the use of residential sprinklers only in corridors

Re: Missing hydraulic data plates

2020-08-07 Thread J H via Sprinklerforum
A few notes (please feel free to agree or disagree): 1. No new flow test is required since you're merely calculating system demand to the BOR. 2. Some older pipe scheduled systems get flagged as deficient for missing the data plate. However, these systems were never hydraulically calculated in the

Re: STANDPIPES NFPA 14

2020-08-07 Thread David Williams via Sprinklerforum
That’s funny as I have in design right now an exterior standpipe that has a wrap-around stairway so that the landings are separated both horizontally and vertically by a substantial amount as the stair wraps around the end of the building. So both types of standpipes in one! Due to the

Re: Missing hydraulic data plates

2020-08-07 Thread Mark Phillips via Sprinklerforum
Totally agree It’s a difficult conversation to have on how a $5.00 sign will cost them $10,000.00 Sent from my mobile device Please excuse spelling, grammar, and auto correction. Mark Phillips Branch Manager Fire Sprinkler Design, Install, Inspections Service, Backflows, Fire Alarm Inspections

Re: Missing hydraulic data plates

2020-08-07 Thread tcfire via Sprinklerforum
We run into this regularly. Given the typical lack of information available...the only way to reproduce a Hydraulic Plate is to survey the existing system, produce a set of plans and perform a new set of demand or supply calculations. If the system is an old "Pipe Schedule" system, chances

Re: Missing hydraulic data plates

2020-08-07 Thread Fpdcdesign via Sprinklerforum
Give them a price to survey, do a flow test, draw and Calc the system. If everything is above Sheetrock ceilings or is otherwise buried, give them your competition’s number. > > On Aug 6, 2020 at 8:07 PM, (mailto:sprinklerforum@lists.firesprinkler.org)>