Ah. Missed the original question. On Mon, Dec 3, 2018 at 11:36 AM Mike B Morey <[email protected]> wrote:
> His question (and my answer) were regarding FM Datasheet 3-26. > ------------------------------ > > *Mike Morey* > *CFPS 3229 • NICET S.E.T. 123677* > *Project Manager* • Fire Protection Group > * Shambaugh & Son, LP **an EMCOR Company* > 7614 Opportunity Drive • Fort Wayne, IN • 46825 > *direct *260.487.7824* / cell *260.417.0625* / fax *260.487.7991 > * email *[email protected] > > > > > > > > From: Ron Greenman <[email protected]> > To: [email protected] > Date: 12/03/2018 12:02 PM > Subject: Re: Interior Loading Docks > Sent by: "Sprinklerforum" < > [email protected]> > ------------------------------ > > > > BE ADVISED - This email originated outside EMCOR. > > > Why edition are yo looking at. Chapter 2 is referenced publications in all > recent editions and chapter 21.1 (I was speculating on a typo) ends the .1 > section at 21.1.9 in the 2016 edition. I'm at home and all my earlier > editions are at the office. > > This is what the 2016 edition has to say about EC sprinklers in chapter 21: > *Chapter 21 Alternative Sprinkler System Designs for* > *Chapters 12 Through 20* > > *21.5.3 Extended Coverage Spacing Sprinklers.* > *21.5.3.1*Sprinklers having extended coverage areas requir- > ing up to 10 sprinklers to be included in the hydraulic calcu- > lation shall be installed in accordance with the obstruction > criteria described in 8.8.5.1, 8.12.5.2, and 8.12.5.3, unless > large-scale fire testing is conducted with a representative ob- > struction below the sprinkler that demonstrates equivalent > performance. > *21.5.3.2*CMDA and CMSA sprinklers having extended cover- > age areas requiring more than 10 sprinklers in the design area > shall be installed in accordance with the obstructions to sprin- > kler discharge criteria described in 8.11.5 and 8.8.5.1. > > *21.5.3.2.1*ESFR sprinklers having extended coverage areas > requiring more than 10 sprinklers in the design area shall be > installed in accordance with the obstructions to sprinkler dis- > charge criteria described in 8.12.5.2 and 8.12.5.3. > *21.5.3.2.2*Other obstruction criteria shall be acceptable if > large-scale fire testing is conducted with a representative ob- > struction below the sprinkler that demonstrates equivalent > performance. > *21.5.3.2.3*When utilizing upright CMSA, CMDA, or ESFR > sprinklers, any continuous obstruction 4 in. (100 mm) or less > shall be permitted to be ignored. > > > Ron Greenman > > *[email protected]* <[email protected]> > > 253.576.9700 > > The Universe is monstrously indifferent to the presence of man. -Werner > Herzog, screenwriter, film director, author, actor and opera > director (1942-) > > > On Mon, Dec 3, 2018 at 5:28 AM Mike B Morey <*[email protected]* > <[email protected]>> wrote: > 2.1.1.10.1 specifically states extended coverage heads are only allowed in > wet pipe systems. > > > ------------------------------ > > * Mike Morey* > * CFPS 3229 • NICET S.E.T. 123677* > * Project Manager* • Fire Protection Group > * Shambaugh & Son, LP **an EMCOR Company* > 7614 Opportunity Drive • Fort Wayne, IN • 46825 > * direct *260.487.7824* / cell *260.417.0625* / fax *260.487.7991 > * email **[email protected]* <[email protected]> > > > > > > > > From: JD Gamble <*[email protected]* > <[email protected]>> > To: "*[email protected]* > <[email protected]>" < > *[email protected]* > <[email protected]>> > Date: 11/30/2018 04:31 PM > Subject: Interior Loading Docks > Sent by: "Sprinklerforum" < > *[email protected]* > <[email protected]>> > ------------------------------ > > > > BE ADVISED - This email originated outside EMCOR. > > I have a project with an interior truck loading bay in a light > manufacturing facility. Looking at using FM3-26 as the basis of design, > which allocates the design density as .3/3500 for a dry system at HC-3. > > Am I reading right that I and limited to using standard coverage > sprinklers only on a dry system? (Referencing Table 2) > > > > Get *Outlook for iOS* > <https://urldefense.proofpoint.com/v2/url?u=https-3A__aka.ms_o0ukef&d=DwMFAg&c=GKdB6-XpYq_0W-WluyVHtw&r=z4t2hrRBa-JsS06T4X_uuYOSJoclVWgSRO8Nq6TDdsg&m=tNMcU7aVpVRha9JcMzs39hOuLdm2QoM9scTpI3I31xE&s=mTz0h3wiqwf7mow0Q26eCn501DRspcQ4p8keH8M2HQk&e=> > _______________________________________________ > Sprinklerforum mailing list > *[email protected]* > <[email protected]> > > *https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.firesprinkler.org_listinfo.cgi_sprinklerforum-2Dfiresprinkler.org&d=DwICAg&c=GKdB6-XpYq_0W-WluyVHtw&r=z4t2hrRBa-JsS06T4X_uuYOSJoclVWgSRO8Nq6TDdsg&m=tNMcU7aVpVRha9JcMzs39hOuLdm2QoM9scTpI3I31xE&s=rrzwRpv8Si_IKjX2y_kEHeVLzrG7Ibldya6MUbVDgGY&e=* > <https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.firesprinkler.org_listinfo.cgi_sprinklerforum-2Dfiresprinkler.org&d=DwICAg&c=GKdB6-XpYq_0W-WluyVHtw&r=z4t2hrRBa-JsS06T4X_uuYOSJoclVWgSRO8Nq6TDdsg&m=tNMcU7aVpVRha9JcMzs39hOuLdm2QoM9scTpI3I31xE&s=rrzwRpv8Si_IKjX2y_kEHeVLzrG7Ibldya6MUbVDgGY&e=> > > This message is for the named person's use only. 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