[Sprinklerforum] Lattice type Ceiling panels

2024-05-01 Thread George Medina Jr.
yone direct me to an NFPA-13 Section addressing This? Thanks,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm _ SprinklerForum

[Sprinklerforum] Sprinkler deflector distance from obstruction

2024-05-01 Thread George Medina Jr.
g tier). Thanks,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm _ SprinklerForum mailing list: https://lists.firespr

[Sprinklerforum] SPRINKLER COVERAGE ABOVE FLOATING CEILINGS

2024-04-08 Thread George Medina Jr.
minimum). I am confused. Am I missing something so obvious? Can anyone help with clarity? is it  .6 or 1.2? Thanks,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm

[Sprinklerforum] SECTION ~ 9.3.14.3 & FIGURE A.9.3.14.3 (NFPA-13, 2022 ed)

2024-04-05 Thread George Medina Jr.
as a minimum). I am confused. Am I missing something so obvious? Can anyone help with clarity? is it  .6 or 1.2? George Medina Jr. Sr. Fire Sprinkler Designerfiregmed@aol.comSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm

[Sprinklerforum] Re: Standpipe Calculations

2024-04-03 Thread George Medina Jr.
y is same situation? George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm On Wednesday, April 3, 2024 at 06:43:54 AM PDT, rimrock.design.servi...@gmail.com wrote: Asking this on behalf of Rowe

[Sprinklerforum] NFPA-13 (2022 EDITION) CODE CLARITY

2024-03-30 Thread George Medina Jr.
, minimum K-5.6 (K-80), and designed for a minimum of 8 in rack sprinklers operating at 30 gpm (114 L/min) when one level of in rack sprinklers is installed. Thanks for any clarity,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323

[Sprinklerforum] EQB Zone Of Influence - Disregard last enquiry (Found it in NFPA-13-2022) 18.5.9.6

2024-03-21 Thread George Medina Jr.
George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm _ SprinklerForum mailing list: https://lists.firesprinkler.org/list

[Sprinklerforum] EQB and Zone Of Influence

2024-03-21 Thread George Medina Jr.
of Influence of the Longitudinally braced 2½" Grid lines from the Zone Of Influence of the 6" Grid Mains? Does NFPA-13 address this scenario?  Thank You,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701

[Sprinklerforum] Re: STANDPIPE PSI SIGNAGE

2024-02-09 Thread George Medina Jr.
If the required pressure at the FDC is 178 psi and the City pressure is  84 psi, do I subtract the 84 psi from the 178? or do I just put the 178 psi on sign? George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC

[Sprinklerforum] STANDPIPE PSI SIGNAGE

2024-02-09 Thread George Medina Jr.
How do you determine the Standpipe augmentation for the FDC Signage. Is it the required Standpipe required PSI minus the city water pressure? Any input or help would be appreciated. Thanks,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC

[Sprinklerforum] Hazard Classification of Silk Screening

2024-02-06 Thread George Medina Jr.
Any thoughts on the classification on Silk Screening Production? What it be Ordinary Hazard Grp.2 (Printing).  Thanks,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC. _ SprinklerForum mailing list: https

[Sprinklerforum] NFPA-13 (2022 ed) Section 20.4.13.4 ~ Mixed Commodity Segregation

2024-01-22 Thread George Medina Jr.
.) into my calculation? The 2 areas are separated by 1 hour rated walls.  Thanks for any Input,George Medina Jr. George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm

[Sprinklerforum] HYDRAULICALLY CALCULATING MIXED DENSITIES

2024-01-22 Thread George Medina Jr.
Input,George Medina Jr. _ SprinklerForum mailing list: https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org To unsubscribe send an email to sprinklerforum-le...@lists.firesprinkler.org

[Sprinklerforum] Non Sprinklered Building Retrofit in California

2024-01-18 Thread George Medina Jr.
a Del Ray (LA County). Where would it address it in the 2022 CBC or CFC, or any LA County regulations? Thanks for any Inputs, George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC. _ SprinklerForum mailing li

[Sprinklerforum] Re: Concealed Spaces Not Requiring Sprinkler Protection

2024-01-17 Thread George Medina Jr.
Thank you for the Confirmation George Medina Jr. On Tuesday, January 16, 2024 at 10:31:00 PM PST, Steve Leyton wrote: My bad - to be clear, I was talking about the space below the double layer envelope on the bottom chords, as I misread the question. In the so-called plenum space

[Sprinklerforum] Concealed Spaces Not Requiring Sprinkler Protection ~ Response to Steve

2024-01-16 Thread George Medina Jr.
I guess I should mentioned the Min. 19/32" wood structural sheathing above the joist with lightweight concrete above the sheathing. Does that make a difference? George Medina Jr. _ SprinklerForum mailing list:

[Sprinklerforum] Concealed Spaces Not Requiring Sprinkler Protection

2024-01-16 Thread George Medina Jr.
klers. Thanks For any replies, George Medina Jr. _ SprinklerForum mailing list: https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org To unsubscribe send an email to sprinklerforum-le...@lists.firesprinkler.org

[Sprinklerforum] ESFR PENDANTS AND FLOOR MOUNTED OBSTRUCTIONS

2023-12-19 Thread George Medina Jr.
(similar to SSP's & SSU's). It is a Tyco 25.2K head.  branchlines are spaced 8' on one side and 10' on other side. Any comments would be appreciated. Thanks,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701

[Sprinklerforum] Retail Sales of Aerosols Level 2

2023-12-14 Thread George Medina Jr.
I have a smoke shop retail store where the fire inspector flagged them to apply for a hazardous material fire permit for the sales/storage of 2,730 11 ounce cans of level 2 aerosols (Spray Paint). I looked in NFPA-30B (It addresses only rack, palletized or solid piled storage) of high roof facil

[Sprinklerforum] Re: Test

2023-11-09 Thread George Medina Jr.
Test email George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm   _ SprinklerForum mailing list: https://lists.firesprinkler.org/list

[Sprinklerforum] Re: Commodity Classification questions

2023-11-09 Thread George Medina Jr.
what you are looking for. Regards,George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:00am-5:00pm On Thursday, November 9, 2023 at 10:59:12 AM PST, tston...@comcast.net wrote: Todd,   I will call

[Sprinklerforum] Re: 1" Armover Restraint

2023-10-19 Thread George Medina Jr.
hese small aromovers) When is an armover required to be restrained (if at all?). Could not find any specific length in NFPA-13 (2016 ed.)   George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:0

[Sprinklerforum] Re: 1" Armover Restraint

2023-10-19 Thread George Medina Jr.
hese small aromovers) When is an armover required to be restrained (if at all?). Could not find any specific length in NFPA-13 (2016 ed.)   George Medina Jr. Sr. Fire Sprinkler DesignerSINGLETON FIRE PROTECTION INC.Office: (818) 252-5744Cell: (323) 906-5701 Business Hours: 9:0

Re: In-Rack Sprinkler

2015-09-22 Thread George Medina Jr
Are you running your line down the middle of the rack or if it is against a wall, between the wall and rack? When you say beam levels, are you meaning tier heights/elevations? George Medina Jr. Sr. Fire Sprinkler Designer -Original Message- From: James Crawford To

Area increase factor based on C.F.C. 506.3 (NFPA-13R or NFPA-13?)

2014-04-25 Thread George Medina Jr
.C. (Did I say that correctly?) George Medina Jr. Mobile: 323-906-5701 -Original Message- From: Cahill, Christopher To: sprinklerforum Sent: Tue, Apr 22, 2014 1:25 pm Subject: RE: NFPA-13R or NFPA-13? Let me play devil's advocate for a second. Why does NFPA 13x

Area increase factor based on C.F.C. 506.3 (NFPA-13R or NFPA-13?)

2014-04-25 Thread George Medina Jr
.C. (Did I say that correctly?) George Medina Jr. Mobile: 323-906-5701 ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org

Area increase factor based on C.F.C. 506.3 (NFPA-13R or NFPA-13?)

2014-04-25 Thread George Medina Jr
2010 C.F.C. (Did I say that correctly?) George Medina Jr. Mobile: 323-906-5701 ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org

Area increase factor based on C.F.C. 506.3 (NFPA-13R or NFPA-13?)

2014-04-24 Thread George Medina Jr
.C. (Did I say that correctly?) George Medina Jr. Mobile: 323-906-5701 -Original Message----- From: George Medina Jr To: sprinklerforum Sent: Mon, Apr 21, 2014 10:17 pm Subject: NFPA-13R or NFPA-13? Forum, Can anyone please add there 2 cents in and help clarify when t

Area increase factor based on C.F.C. 506.3 (NFPA-13R or NFPA-13?)

2014-04-24 Thread George Medina Jr
eorge Medina Jr. Mobile: 323-906-5701 ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org

Area increase factor based on C.F.C. 506.3 (NFPA-13R or NFPA-13?)

2014-04-24 Thread George Medina Jr
eorge Medina Jr. Mobile: 323-906-5701 -Original Message- From: George Medina Jr To: sprinklerforum Sent: Thu, Apr 24, 2014 12:06 pm Subject: Area increase factor based on C.F.C. 506.3 (NFPA-13R or NFPA-13?) Than you all for your valued opinions and expertise, especially your

Area increase factor based on C.F.C. 506.3 (NFPA-13R or NFPA-13?)

2014-04-24 Thread George Medina Jr
The building is either designed to 13 or 13R. There is no "13 for >>>> this area and 13R for that area." If the garages are considered part >>>> of the building and the building is eligible for 13R (as this one >>>> appears it may >>>> be) then

NFPA-13R or NFPA-13?

2014-04-21 Thread George Medina Jr
(with garage areas calced at NFPA-13) or should it be classified as a NFPA-13 with dwelling units & residential heads (calculations based on the greater of the area/density @ .10 or the head listing). If not, what is the determining factor or the threshold. George Medina Jr. Mobile:

Re: 3/4" sprinkler head

2014-01-13 Thread George Medina Jr
Douglas, I used to design wet fire sprinkler systems for blowtherm, and the size of the area of coverage (for that particular sprinkler head) usually determined if It would be an ELO. George Medina Jr. Mobile: 323-906-5701 -Original Message- From: Douglas Hicks To

18 In. Min. Clearance From Storage/Commodity / Sec.8.6.5.2.1.1

2013-12-13 Thread George Medina Jr
at permits closer than 18" clearance? or a head with a spray pattern similar to the Tyco's CC1 and CC2 sprinklers that are not specific application sprinkler? Any suggestions would be greatly appreciated. Thank You Very Much, George Medina Jr. Mobile: 323-906-5701 AAA-Fire Spri

18 In. Min. Clearance From Storage/Commodity / Sec.8.6.5.2.1.1

2013-12-13 Thread George Medina Jr
its closer than 18" clearance? or a head with a spray pattern similar to the Tyco's CC1 and CC2 sprinklers that are not specific application sprinkler? Any suggestions would be greatly appreciated. Thank You Very Much, George Medina Jr.

Re: 18 In. minimum clearance from storage

2013-12-13 Thread George Medina Jr
its closer than 18" clearance? or a head with a spray pattern similar to the Tyco's CC1 and CC2 sprinklers that are not specific application sprinkler? Any suggestions would be greatly appreciated. Thank You, George Medina Jr. 323-906-5701 __

Re: Fire Sprinkler System Connecting to a Dead end City main - Standards Reference

2013-10-15 Thread George Medina Jr
Thanks a million for the reference. George Medina Jr. -Original Message- From: John Drucker - Home To: sprinklerforum Sent: Tue, Oct 15, 2013 7:48 pm Subject: RE: Fire Sprinkler System Connecting to a Dead end City main - Standards Reference As requested - Reference AWWA M31

Re: Fire Sprinkler System Connecting to a Dead end City main

2013-10-15 Thread George Medina Jr
He approved it after all, small job under 2k Thanks George Medina Jr. -Original Message- From: RFletcher To: sprinklerforum Sent: Tue, Oct 15, 2013 4:43 pm Subject: RE: Fire Sprinkler System Connecting to a Dead end City main What Steve said with the added caveat about when you

Re: Fire Sprinkler System Connecting to a Dead end City main

2013-10-15 Thread George Medina Jr
After further Review and discussion and Hydraulic calculations He approved the dead end scenario. Thanks You all, George Medina Jr. Mobile: 323-906-5701 -Original Message- From: Steve Leyton To: sprinklerforum Sent: Tue, Oct 15, 2013 3:57 pm Subject: RE: Fire Sprinkler System

Fire Sprinkler System Connecting to a Dead end City main

2013-10-15 Thread George Medina Jr
g methods: (1) Connecting pumper's to large mains from which flow tests have indicated adequate flows to supply both sprinklers and the required hose streams. (2) Connecting pumper's to water mains not needed for sprinkler supply. (3) Drafting pumper's from static sources. If an

Re: 4-WAY BRACING INCLUDING PRYING ACTION ON FASTNERS PER OSHPD'S OPA#601

2012-09-17 Thread George Medina Jr
to get an exact estimate of time with out some cohesive set standards). Thanks, George Medina Jr. -Original Message- From: Steve Leyton To: sprinklerforum Sent: Mon, Sep 17, 2012 9:51 am Subject: RE: 4-WAY BRACING INCLUDING PRYING ACTION ON FASTNERS PER OSHPD'S OPA#601 Okay you

Re: 4-WAY BRACING INCLUDING PRYING ACTION ON FASTNERS PER OSHPD'S OPA#601

2012-09-16 Thread George Medina Jr
California AAA-Fire Sprinkler Designs George Medina Jr. Sr. Fire Sprinkler Designer Mobile: 323-906-5701 Direct: 323-516-6111 -Original Message- From: Bruce Verhei To: sprinklerforum Sent: Sun, Sep 16, 2012 6:49 pm Subject: Re: 4-WAY BRACING INCLUDING PRYING ACTION ON FASTNERS

4-WAY BRACING INCLUDING PRYING ACTION ON FASTNERS PER OSHPD'S OPA#601

2012-09-16 Thread George Medina Jr
ying factor. If someone can briefly explain how the prying factor works I would be indebted to thee for the rest of my short natural life. I could send a copy of Sheet 5.4 of the OPA #601 to anyone that can help. Thank You, George Medina Jr. -- next part -- An HTML

Sprinklers in Non Combustible Stair Shaft

2012-08-20 Thread George Medina Jr
d the 2nd floor? George Medina Jr. Sr. Fire Sprinkler Designer -- next part -- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120820/1123e4d8/at

Earthquake Bracing of gang drain pipe

2012-06-12 Thread George Medina Jr
th water (since it is empty most of the time?) Thanks, George Medina Jr. Direct: 323-516-6111 -- next part -- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20120613/0336c8

Re: In Rack Sprinkler Supply

2012-05-21 Thread George Medina Jr
Thanks, Definitely going to have a separate riser, I do not see any need to balance the two since they are both from different systems. what do you think? Thanks for the input George Medina Jr. -Original Message- From: Todd Williams To: sprinklerforum Sent: Mon, May 21, 2012 1

In Rack Sprinkler Supply

2012-05-21 Thread George Medina Jr
balance the two? It is economically advantageous not to connect at the base of the riser or to the Supply main of the directly overhead system. Thank You, George Medina Jr. -- next part -- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.

Deflector distance below ceilings - NFPA-13, 2010 ED.

2011-12-04 Thread George Medina Jr
Medina Jr. -- next part -- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111204/adc8139b/attachment.html> ___ Sprinklerforum mailing list Sprinkle

3/4" Copper Pipe in Light Hazard Occupancy

2011-10-20 Thread George Medina Jr
code section. Thank, George Medina Jr. Singleton Fire Protection -- next part -- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111020/ac8965a5/attachm

Pre-Action Supply

2011-09-11 Thread George Medina Jr
to be attached to the base of the riser. Any input from the forum would be greatly appreciated. Thank You, George Medina Jr. Singleton Fire Protection Los Angeles, CA -- next part -- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman

Sprinkler protection 6' from the inside edge of the eave

2011-03-30 Thread George Medina Jr
ve to the concealed space? George Medina Jr. ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: supp...@firesprinkler.or

Re: Non Sprinklered attic space less than 6 inches -Thanks Duane

2011-03-07 Thread George Medina Jr
Thanks George Medina Jr. -Original Message- From: Johnson, Duane (NIH/OD/ORS) [C] (NIH/OD/ORS) [C] To: SprinklerFORUM@firesprinkler.org Sent: Mon, Mar 7, 2011 3:35 am Subject: RE: Non Sprinklered attic space less than 6 inches 11.2.3.1.4 Duane Johnson, PE rogram Manager ivision of

Non Sprinklered attic space less than 6 inches

2011-03-07 Thread George Medina Jr
Can anyone direct me to the section regarding unsprinklered attic space above a calculated area of 3,000 sq.ft. and it's requirements? I have NFPA13 2007 ed. and can't seem to find it. Thank You, George Medina Jr. ___ Sprinklerforum ma

Re: LA firefighter dies after roof collapse

2011-02-21 Thread George Medina Jr
The City of Los Angeles did not require fire sprinklers in the attic and most home used CPVC. All homes over 10,000 sq.ft. required an F.D.C., so could it be possible that they pumped into the F.D.C and pumped over 200 psi? George Medina Jr. Los Angeles, CA -Original Message- From

Re: Residential Sprinklers

2011-02-07 Thread George Medina Jr
Excellent! George Medina Jr. -Original Message- From: Cliff Whitfield To: sprinklerforum Sent: Sun, Feb 6, 2011 3:36 pm Subject: Residential Sprinklers Folks, Here is a link to an excellent article from the PME eNewsletter 2/3/11. I ish more PE’s felt this way. http

Re: sprinklers in duct

2011-01-10 Thread George Medina Jr
f the booth so as not to have to install a 6" riser for all the overage. George Medina Jr. Monterey Park, Ca -Original Message- From: Ron Greenman To: sprinklerforum Sent: Mon, Jan 10, 2011 2:05 pm Subject: Re: sprinklers in duct The duct or the spray booth? just figure all. O

Re: Branch Line Restraint

2011-01-10 Thread George Medina Jr
We need restraints at the end of all branch lines here is So. Cal but look at NFPA-13 2007, Sec.9.3.6.3 George Medina Jr. Monterey Park, So. Cal -Original Message- From: Bob Knight To: sprinklerforum Sent: Mon, Jan 10, 2011 4:53 pm Subject: RE: Branch Line Restraint Thanks Cliff

Re: Retrofit Sprinkler Head

2010-12-28 Thread George Medina Jr
Oh, I forgot to mention that there is a new 5 head water curtain required now. George Medina Jr. -Original Message- From: Ron Greenman To: sprinklerforum Sent: Tue, Dec 28, 2010 3:46 pm Subject: Re: Retrofit Sprinkler Head Why would it matter on a pipe schedule system? You'll

Retrofit Sprinkler Head

2010-12-28 Thread George Medina Jr
ich I have not been able to find) and was looking for a head that had that criteria in reverse. Thanks for any help, George Medina Jr. ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/list

Re: White Cap Contractors Supply

2010-12-01 Thread George Medina Jr
Encapsulated? You probably want to design it at the level where In-rack sprinklers are not going to be required (If the corresponding table or figure allow it) correct? How are the plastics stored? George Medina Jr. -Original Message- From: George Medina Jr To: sprinklerforum Sent

Re: White Cap Contractors Supply

2010-12-01 Thread George Medina Jr
? George Medina Jr. -Original Message- From: Jim Adams To: sprinklerforum Sent: Wed, Dec 1, 2010 5:53 pm Subject: Re: White Cap Contractors Supply have a question for the forum. We have a contract to retrofit an existing uilding for a "White Cap Construction Supply&qu

Re: Paint spray booth

2010-11-16 Thread George Medina Jr
Medina Jr. -Original Message- From: A.P.Silva To: sprinklerforum Sent: Tue, Nov 16, 2010 2:36 pm Subject: RE: Paint spray booth Thanks for the input. Everyone that replied said heads were needed in the it. My thinking was the same, but wanted to sound the forum to verify. nother

Re: Paint spray booth

2010-11-14 Thread George Medina Jr
s just to balance out the system. As long as I had the same size orifices in the each different areas of the booth i stood in compliance of not mixing orifices to balance out the system. George Medina Jr. -Original Message- From: A.P.Silva To: sprinklerforum Sent: Thu, Nov 11, 2010 3:14 a

Re: Fire Hydrant Calculation Method

2010-10-18 Thread George Medina Jr
thod for calculating the actual flow through the fire hydrant? Just my opinion.' George Medina Jr. -Original Message- From: Ron Greenman To: sprinklerforum@firesprinkler.org Sent: Mon, Oct 18, 2010 10:41 pm Subject: Re: Fire Hydrant Calculation Method George, I was being harassed by

Re: Fire Hydrant Calculation Method

2010-10-18 Thread George Medina Jr
perty. I requsted a fire flow test for the address where the new private fire hydrant is going. The fire flow availabilty form was: 90psi static, 82psi residual at 4657 gpm. The fire inspector wanted the new private fire hydrant to produce a minimum of 1500 gpm @ 20psi. George Medi

Fire Hydrant Calculation Method

2010-10-18 Thread George Medina Jr
orrect either. Any advice for this absent minded designer? George Medina Jr. -Original Message- From: Scott A. Futrell To: sprinklerforum@firesprinkler.org Sent: Mon, Oct 18, 2010 8:24 am Subject: RE: Fire Hydrant Calculation Information Another method, from a parasite, without deter

Re: Fire Hydrant Calculation Information

2010-10-18 Thread George Medina Jr
Thanks guys. George Medina Jr. -Original Message- From: George Medina Jr To: sprinklerforum@firesprinkler.org Sent: Fri, Oct 15, 2010 4:39 pm Subject: Fire Hydrant Calculation Information orum, What is the formula to find Hydrant flows at 20 psi? ( Was that said correctly

Fire Hydrant Calculation Information

2010-10-15 Thread George Medina Jr
of 2½" outlets. If I could be directed to the location of the information or if anyone has an old notebook with the following information it would be greatly appreciated if shared. Thanks, George Medina Jr. 323-278-0021 fireg...@ao

Re: Full height walls in exposed room - segue

2010-10-08 Thread George Medina Jr
NFPA-13 2007ed. Sec. 22.4.4.5.4 & 22.4.4.5.5 might help. George Medina Jr. -Original Message- From: Todd Williams To: sprinklerforum@firesprinkler.org Sent: Fri, Oct 8, 2010 11:15 am Subject: RE: Full height walls in exposed room - segue Since we are talking about this sor

Re: Full height walls in exposed room

2010-10-08 Thread George Medina Jr
make sure I get a second opinion next time ( it was before i joined the great forum). So thanks for the heads up. George Medina Jr. -Original Message- From: Dewayne Martinez To: sprinklerforum@firesprinkler.org Sent: Fri, Oct 8, 2010 9:10 am Subject: RE: Full height walls in ex

Re: Full height walls in exposed room

2010-10-08 Thread George Medina Jr
NFPA-13 (2007ed.) Sec. 11.1.2 and A.11.1.2 might help. George Medina Jr. Sr. Fire Sprinkler Designer -Original Message- From: Dewayne Martinez To: sprinklerforum@firesprinkler.org Sent: Fri, Oct 8, 2010 8:00 am Subject: Full height walls in exposed room Office with ceilings

Re: Full height walls in exposed room

2010-10-08 Thread George Medina Jr
I think you only need to go 15' beyond the walls with coverage. George Medina Jr. -Original Message- From: Dewayne Martinez To: sprinklerforum@firesprinkler.org Sent: Fri, Oct 8, 2010 8:00 am Subject: Full height walls in exposed room Office with ceilings containing a storage

ASCE 7-05

2010-07-21 Thread George Medina Jr
am not Familiar with these code sections, and if there is anyone with experience in it, your guidance would greatly be appreciated. George Medina Jr. = ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firespr

Re: Seismic Bracing

2010-07-01 Thread George Medina Jr
Expansion joint? Maybe less expensive than Metra Flex. George Medina Jr. Sr. Fire Sprinkler Designer -Original Message- From: Coastal To: sprinklerforum@firesprinkler.org Sent: Thu, Jul 1, 2010 3:57 pm Subject: Seismic Bracing Hello Sprinklerforum, I am looking for ways to

Re: Aircraft Hanger

2010-06-01 Thread George Medina Jr
Where in NFPA-13 2007ed. for rack storage does it specifiy calculating the overhead system with the in rack calculation demand? George Medina Jr. ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org

Re: trapeze hangers

2010-05-31 Thread George Medina Jr
size of the trapeze member George Medina Jr. -Original Message- From: tom poisal To: sprinklerforum Sent: Mon, May 31, 2010 2:43 pm Subject: Fwd: trapeze hangers -- Forwarded message -- rom: tom poisal ate: Mon, May 31, 2010 at 5:40 PM ubject: Re: trapeze hangers

Re: trapeze hangers

2010-05-31 Thread George Medina Jr
Tom, I did not read the other e-mail to Ken, Are you trying to Clarify if 6" ring hangers should be used to hang 2½" pipe? at each end? George Medina Jr. -Original Message- From: tom poisal To: sprinklerforum@firesprinkler.org Sent: Mon, May 31, 2010 2:40 pm S

Re: trapeze hangers

2010-05-31 Thread George Medina Jr
ess the only thing to confirm is not to exceed the bending stress of 15 ksi which might not be a problem since you are cutting the load a little less than half. George Medina Jr. -Original Message- From: tom poisal To: sprinklerforum Sent: Mon, May 31, 2010 2:43 pm Subject: F

Re: trapeze hangers

2010-05-31 Thread George Medina Jr
Tom, Is your 6" Main on a trapeze hanger? George Medina Jr. -Original Message- From: tom poisal To: sprinklerforum Sent: Mon, May 31, 2010 11:20 am Subject: trapeze hangers I'm running a grid which consists of a 6" near main, 4" far main with 2 /2&

Re: Calc Area

2010-04-20 Thread George Medina Jr
It's been ten years since I've been in Sprinkler school, So i guess I need to sign back up again ;( . Thanks Guys, George Medina Jr. Jr. Fire Sprinnkler Designer (ex - Sr. Fire Sprinkler Designer ) -Original Message- From: George Church To: sprinklerforum@firesprinkle

Re: Calc Area

2010-04-20 Thread George Medina Jr
Thanks Forum For Your Invaluable insights I have always used the same method (average) and was wondering if there was something I've been missing In the book. George Medina Jr. Sr. Fire Sprinkler Designer 95-1015 Ka'apeha Pl. Mililani, HI 96819 808-388-5974 CL# -Origin

Calc Area

2010-04-19 Thread George Medina Jr
g all these years). 1.2√design area S S= Distance between sprinklers on branch line 1.2√design area S S= Distance between sprinklers on branch line George Medina Jr. ___ Sprinklerforum mailing list Sprinkler

Re: Grating

2010-04-14 Thread George Medina Jr
Thanks everyone, It is actually considered an open grid ceiling (Thanks for directing me to Sec.8.15.3). George Medina Jr. -Original Message- From: George Church To: sprinklerforum@firesprinkler.org Sent: Wed, Apr 14, 2010 6:14 am Subject: RE: Grating Boxes are placed on grated

Grating

2010-04-13 Thread George Medina Jr
What is the dimensions of grating when sprinklers are required underneath? I looked under NFPA-13 (2007 ed.) index for Grating and found no specifications. . George Medina Jr. = ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http

Re: WINDOW SPRINKLERS

2010-04-02 Thread George Medina Jr
2.8K heads. George Medina Jr. -Original Message- From: Greg McGahan To: sprinklerforum@firesprinkler.org Sent: Thu, Apr 1, 2010 7:01 pm Subject: RE: WINDOW SPRINKLERS You know there are window sprinklers other than Tyco's. I take the word "sill" iterally when apply

WINDOW SPRINKLERS

2010-04-01 Thread George Medina Jr
I have read Tyco's Data sheet and was planning on using a SSP because of Tyco's 5.6k, and NFPA's 2007 Table 7.8.8.4 reference to 2.8k for windows >3 to 4ft. George Medina Jr. ___ Sprinklerforum mailing list Sprinklerforum@fire

Re: WINDOW SPRINKLERS

2010-04-01 Thread George Medina Jr
I apologize for not being more clear, the 2½" mullions are vertical and was asking if each panel required separate sprinklers for them exceeding 1". Thanks, George Medina Jr. -Original Message- From: Steve Leyton To: sprinklerforum@firesprinkler.org Sent: Thu, Apr 1,

Re: 2'x4' Light Obstruction

2010-03-29 Thread George Medina Jr
My main concern was that some uprights are spaced directly above the lights and it appeared that there was a large dead space below, but it appears the consensus is that it is ok with upright only. Thanks again guys. George Medina Jr. Sr. Fire Sprinkler Designer -Original

Re: 2'x4' Light Obstruction

2010-03-29 Thread George Medina Jr
Thanks guys, just making sure! George Medina Jr. Sr. Fire Sprinkler Designer -Original Message- From: Eric Tysinger To: sprinklerforum@firesprinkler.org Sent: Mon, Mar 29, 2010 12:24 pm Subject: RE: 2'x4' Light Obstruction I have always looked at the width as being th

2'x4' Light Obstruction

2010-03-29 Thread George Medina Jr
s in place around it or is there a solution I am missing. Any help would be greatly appreciated. George Medina Jr. 323-236-1640 ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo

Elevator Machine Rooms

2009-12-19 Thread George Medina Jr
there a more cost affective method to comply with this rule? and is it being enforced in any other jurisdiction? Thanks, George Medina Jr. Sr. Fire Sprinkler Designer ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http

Rubber links that compress around pipe and concrete holes

2009-12-17 Thread George Medina Jr
Can anyone tell me who makes the rubber links that we put around underground pipe when it comes through concrete holes (subterranean garage). I installed some about twenty years ago and can't recall the name of the product or the manufacturer. Thanks to anyone that can help, George Medi

Re: Room design method - Technical information

2009-07-20 Thread George Medina Jr
, would that be the correct term? I had a pressure of 170psi so my only concern was keeping the flow down for the meter size. Thanks, George Medina Jr. -Original Message- From: Thom McMahon To: sprinklerforum@firesprinkler.org Sent: Mon, Jul 20, 2009 8:38 am Subject: RE: Room

Room design method - Technical information

2009-07-16 Thread George Medina Jr
ny research data on the 'Room Design Method' where the mathematics and science required the 8" lintel and/or 8' maximum width of unprotected opening? Any suggestions? (besides walking away from it). George Medina J

Re: Check Valve On Discharge side of Flow Meter

2009-03-18 Thread George Medina Jr
In my 26 years in the Industry I have never installed one in the closed meter loop or designed one with a check valve. Why would NFPA 'Pumps for Fire Protection Sytems' by Kenneth E. Isman, P.E. & Milosh T. Puchovsy, P.E. state that. George Medina Jr. Sr. Fire Sprinkler De

Flow Meter

2009-03-18 Thread George Medina Jr
I am using a Gerand Model K Venturi Type Meter. George Medina Jr. Sr. Fire Sprinkler Designer 95-1015 Ka'apeha Pl. Mililani, HI 96819 808-388-5974 CL# ___ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforu

Check Valve On Discharge side of Flow Meter

2009-03-18 Thread George Medina Jr
the pump and before closing the isolation valve. Somebody correct me for being wrong. George Medina Jr. Sr. Fire Sprinkler Designer Dorvin D. Leis Inc. Honolulu, HI 96819 ___ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo

Residential Heads under Soffit

2009-03-09 Thread George Medina Jr
e do not have to add sprinklers in the ceiling pocket (because of the 1000 cubit feet rule). Can we put a residential pendent 11" from the higher ceiling (under the soffit). Are pendent spacing is 16' x 16'. George Medina Jr. Sr. Fire Sprinkler Designer 95-1015 Ka'apeh

Re: Test/Drain at the Riser

2009-03-08 Thread George Medina Jr
I?agree with you. George Medina Jr. Sr. Fire Sprinkler Designer 95-1015 Ka'apeha Pl. Mililani, HI 96819 808-388-5974 CL# -Original Message- From: Byron Blake To: sprinklerforum@firesprinkler.org Sent: Sat, 7 Mar 2009 6:29 am Subject: Test/Drain at the Riser Here here. We witnes

CPVC in Sprinklered attic space

2009-01-21 Thread George Medina Jr
?Can?CPVC piping be run in an attic space using SSU/SSP in a NFPA-13 type system? I We were using Tyco Attic HIP heads originally, but are unable due to the wood member changes. George Medina Jr. ___ Sprinklerforum mailing list http

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