[RE-wrenches] FW: Batteries in 4' tall crawl space

[Ray]

Yea its actually Windy and Allan's ideas.  I'm only 'freaking brilliant' 
enough to copy the masters.

Ray Walters
Remote Solar
303 505-8760

On 7/30/18 4:50 PM, Dana wrote:
>
> A bit of serious carpentry if a retrofit but, freaking Brilliant idea Ray!
>
> ----------------------------------------------------------------------------
>
> Dana Orzel                              Great Solar Works, Inc.
>
> *C - 208.721.7003                       dana at solarwork.com*
>
> Idaho Contractor - # 028765         Idaho PV # 028374
>
> NABCEP # 051112-136 www.solarwork.biz <http://www.solarwork.biz>
>
> _"Responsible Technologies for Responsible People since 1988" ___
>
> *P*Please consider the environment before printing this email.
>
> *From:*RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> *On 
> Behalf Of *Ray
> *Sent:* Monday, July 30, 2018 1:32 PM
> *To:* re-wrenches at lists.re-wrenches.org
> *Subject:* Re: [RE-wrenches] Batteries in 4' tall crawl space
>
> Article 110.26 covering clearances in front of electrical equipment 
> applies.  I worked on a couple like that, and I didn't like it. Very 
> hard to move the batteries, and Combined with H2S, you are in what 
> OSHA considers a confined hazardous space.
>
> Another way to use that crawl space is to build a trap door access 
> from the floor above.  This can work really nicely, and put the 
> batteries right under the inverter without violating article 110.26.  
> I think I saw a system that either Allan Sindelar or Windy Dankoff did 
> like that. I've tried it a few times, and everyone (customers and 
> inspectors) was happy.  Here's a pic of some HUPs in a floor vault 
> just below the inverter:
>
> Ray Walters
> Remote Solar
> 303 505-8760
>
> On 7/30/18 8:37 AM, Dana wrote:
>
>     Safe working clearance is 6’-8”.
>
>     I have been confronted with this issue in the past taking over
>     other’s systems care. This is a head banger & a major safety issue
>     if something goes bad. If the batteries are 18-20” tall that only
>     leaves anther 28-30” between bottom side of the floor joist & the
>     top of the battery. Your face is way too close to a battery esp.
>     if there is an issue to address.
>
>     The installation is bent over back-heavy move situation. I am
>     assuming you have a dirt or gravel floor to move across?
>
>     It seems like a good use of space up front but the reality of the
>     install plagues you down the road.
>
>     If it is WLA batteries it is the worst of situations.
>
>     Even if this is not inspected, please avoid this situation.
>
>     ----------------------------------------------------------------------------
>
>     Dana Orzel                              Great Solar Works, Inc.
>
>     *C - 208.721.7003 dana at solarwork.com <mailto:dana at solarwork.com>*
>
>     Idaho Contractor - # 028765         Idaho PV # 028374
>
>     NABCEP # 051112-136 www.solarwork.biz <http://www.solarwork.biz>
>
>     _"Responsible Technologies for Responsible People since 1988" _
>
>     *P*Please consider the environment before printing this email.
>
>     *From:* RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org>
>     <mailto:re-wrenches-bounces at lists.re-wrenches.org> *On Behalf Of
>     *Jerry Caldwell
>     *Sent:* Saturday, July 28, 2018 6:10 PM
>     *To:* re-wrenches at lists.re-wrenches.org
>     <mailto:re-wrenches at lists.re-wrenches.org>
>     *Subject:* [RE-wrenches] Batteries in 4' tall crawl space
>
>     Wrenches,
>
>     I have a customer who wants to have batteries installed in a 4'
>     tall crawl space / short basement. Are there any accessibility
>     code issues with installing batteries in a crawl space? Does the
>     NEC address this?
>
>     Thanks,
>     Jerry Caldwell
>
>
>
>
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