[Sprinklerforum] Re: Expose Expanded group A on rack

2024-01-29 Thread Brett Peters
Just because the max spacing is 16-6 doesn't mean it has to be that far apart, with multiple row racking you may have to have them spaced at 8'-4 apart so that you don't go over the sqft requirement. 124/8.333=14'-10 Thanks Brett Peters General Manager Installation & Design Proudline Fire Prot

[Sprinklerforum] Expose Expanded group A on rack

2024-01-29 Thread James Crawford
I hope I am reading this wrong but here goes. We are using NFPA #13 (2022ed) section 23.4. We have a client that said they would be storing exposed expanded group A plastics on racking and we advised about the requirement for vertical barriers. They now supply us with the racking drawing and th

[Sprinklerforum] Re: Fire Pump testing procedures

2024-01-29 Thread tduross1
As well as water supply, size of combined test connection, all for simultaneous operation. From: Eric Rieve Sent: Monday, January 29, 2024 12:17 PM To: Discussion list on issues relating to automatic fire sprinklers Subject: [Sprinklerforum] Re: Fire Pump testing procedures NFPA 25 add

[Sprinklerforum] Re: Fire Pump testing procedures

2024-01-29 Thread Hinson, Ryan
If these are electric pumps, power to the pumps must be sufficient such that both can operate as anticipated. Also, NFPA 20 has required the following for fire pump field acceptance flow testing since 2010: Where simultaneous operation of multiple pumps is possible or required

[Sprinklerforum] Re: Fire Pump testing procedures

2024-01-29 Thread Eric Rieve
NFPA 25 added a section regarding this in 2023. 8.3.3.11: Where simultaneous operation of multiple pumps is required to meet the water-based system demand for flow and pressure, the requirements of 8.3.3.10(2) shall be repeated at each flow condition with all pumps operating simultaneously. So

[Sprinklerforum] Re: Fire Pump testing procedures

2024-01-29 Thread Fpdcdesign
I would think you would need to do both, at least initially. Individually to find out that each pump is working correctly itself and both to verify that the full demand can be met. For a future testing program, probably something specialized would be needed. Make sure it is

[Sprinklerforum] Fire Pump testing procedures

2024-01-29 Thread Prahl, Craig
I have a project that requires two 1500 gpm pumps to meet the most demanding system requirements. Client doesn’t want any pumps over 1500 gpm. Long story. As far as testing, would you test each pump individually or together or ?? Trying to establish what we need as far as a test header. Tha