[RE-wrenches] ​IRC 328 and ESS...approved barriers and "subject to" damage

[Vincent Jolissaint]

2021 International Fire Code
Revise as follows:
1207.11.7 Protection from impact. Stationary storage battery systems  ESS
installed in a location
subject to vehicle damage in accordance with shall  Section 1207.11.7.1 or
1207.11.7.2 shall be
provided with impact protection in accordance with Section 1207.11.7.3. be
protected by approved
barriers. Appliances in garages shall also be installed in accordance with
Section 304.3 of the
International Mechanical Code.
Add new text as follows:
1207.11.7.1 Garages.
Where an ESS is installed in the normal driving path of vehicle travel
within a garage, impact
protection complying with Section 1207.11.3 shall be installed. The normal
driving path is a line
perpendicular to the garage vehicle opening to the back wall, extending 3
ft. (914 mm) to either
side along the back wall and to a height of 48 in. (1219 mm), (See Figure
1207.11.7.1)





Exception: Where the clear height of the vehicle garage opening is 7 ft 6
in, (2286 mm) or less,
ESS installed not less than 36 inches (914 mm) above finished floor are not
subject to vehicle
impact protection requirements.








1207.11.7.2 Other locations subject to vehicle impact.
Where an ESS is installed in a location other than as defined in Section
1207.11.7.1, and  is
subject to vehicle damage, impact protection shall be provided in
accordance with Section
1207.11.7.3.











1207.11.7.3 Impact Protection Options.
Where ESS is required to be protected from impact in accordance with
Section 1207.11.7.1 or
1207.11.7.2 such protection shall comply with one of the following:















1.  Bollards constructed in accordance with one of the following:
1.1  48 inches (1219 mm) in  length by 3 inches (76mm) in diameter
schedule. 80 steel pipe embedded
in a concrete pier 12 inches (304 mm) deep and 6 inches (152 mm) in
diameter, with 36 inches (914
mm) of pipe exposed, filled with concrete, and spaced at a maximum interval
of 5 feet (1524 mm).
Each bollard shall be located not less than 6 inches (152 mm) from an ESS.
1.2  36 inches (914 mm) in height by 3 inches (76 mm) in diameter schedule
80 steel pipe fully
welded to an 8 inches (203 mm) by 8 inches (203 mm) by  ¼ inch (6.4 mm)
thick steel plate and
bolted to a concrete floor by means of 4 - ½ inch (13 mm) concrete anchors
with 3 inch (76 mm)
minimum embedment.  Spacing shall be not greater than 60 inches. (1524 mm),
and each bollard shall
be located not less than 6 inches (152 mm) from the ESS.
1.3  Pre-manufactured steel pipe bollards shall be filled with concrete and
anchored in accordance
with the manufacturer's installation instructions, with spacing not greater
than a 60 inches. (1524
mm). Located not less than 6 inches (152mm) from the ESS.
















Hi Wrenches,

The 2023 IRC has been modified with some code that I helped create.

Here is a link that has a pretty recent draft of this code. This code (with
slight edits) has been adopted by the ICC and will become code January 1
2023.  See page 486.

https://www.iccsafe.org/wp-content/uploads/IFC-2021-Group-A-2021-Group-A-Aug-13.pdf



*With Regard,*
*Vince Jolissaint*
*Cobalt Power Systems Inc. |*
*Director of CAD Services*2557 Wyandotte St.  | Mountain View CA  94043
Office: 650.938.9574 | E-Mail Vincentj at cobaltpower.com
<vincentj at cobaltpower.com>



> Message: 1
> Date: Tue, 29 Mar 2022 09:15:23 -0500
> From: <scot.arey at solarcentex.com>
> To: "'RE-wrenches'" <re-wrenches at lists.re-wrenches.org>
> Subject: [RE-wrenches] IRC 328 and ESS...approved barriers and
>         "subject to" damage
> Message-ID: <04e301d84377$6e935c30$4bba1490$@solarcentex.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Good morning, Wrenches.
>
>
>
> We all discuss the NEC when it comes to ESS but the section in
> International
> Residential Code (IRC) R328 is something to look at carefully.
>
>
>
> Easy to miss is the requirement to extend fire alarm systems to garage
> spaces where we quite often install the ESS.
>
> But the section in R328.8 Protection from impact is what worries me as it
> is
> so open ended. Here is what I wrote to a city inspector:
>
> "I'd like to review this open-ended section of R328 and how you interpret
> it, please.
>
>
>
> We intend to mount the ESS within an attached garage but we position so as
> to prevent damage from vehicles coming into their normal parking space.
> Having said that, a vehicle that moved five further feet forward might in
> fact run into an ESS. So do you read "subject to" as in normal, due course
> or do you consider the very worst scenario / accident?
>
> And what approved barriers have you seen that comply to your satisfaction
> in
> xxxxx."
>
>
>
> What do you all do for R328?
>
>
>
>
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