[RE-wrenches] ballasted ground mounts residential scale

[jay]

Hi Mac,

You can check out the unirac GFT which has a engineered ballast in their approved mounting designs.  

jay

peltz power

> On Dec 29, 2021, at 9:05 AM, Mac Lewis <maclewis1 at gmail.com> wrote:
> 
> Thanks Dana,
> 
> Normally I do a piered system for these, but I've got a project with a ground source heat pump loop at unknown depth under the array field.  I'm trying to avoid a puncture.
> 
> Thanks!
> 
> On Wed, Dec 29, 2021 at 8:58 AM Dana Orzel <dana at solarwork.com <mailto:dana at solarwork.com>> wrote:
> I have used Snapn’Rack’s system with grade beams. It uses a sched 40 - 1½” iron/galv pipe to achieve 90 MPH 3 sec micro burst rating for uplift. Please verify if this is still available from SnR.  I am pretty sure that we needed 18# of concrete/sqft of PV module. I would have your structural engineer verify this or whatever your local code calls for.
> 
> It’s a good system as long as you do not have frost heaving of the ground. I am not sure that I would do this in snow country unless your engineer could guaranty that there is a way to eliminate the frost heave.
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> And if you are going to have to do that much ground prep why not use a pier or footing system?
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> 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.greatsolarworks.com <http://www.greatsolarworks.com/>
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>  
> 
> From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org <mailto:re-wrenches-bounces at lists.re-wrenches.org>> On Behalf Of Mac Lewis
> Sent: Tuesday, December 28, 2021 4:31 PM
> To: RE-wrenches <re-wrenches at lists.re-wrenches.org <mailto:re-wrenches at lists.re-wrenches.org>>
> Subject: [RE-wrenches] ballasted ground mounts residential scale
> 
>  
> 
> Hello Wrenches,
> 
>  
> 
> Can anyone recommend a ballasted ground mount solution that is offered on a residential scale?  Below 10kW typically.
> 
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> Thanks in advance!
> 
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> --
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> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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> 
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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