[RE-wrenches] Helical Anchors for Ground-Mount

[Christopher Warfel]

We've been using Krinner helical ground screws with good success. There 
are other similar brands available. I want to make sure that your term 
of anchors is the same as for screws. What we call helical ground 
anchors has a very different shape and wouldn't use them for solar. Chris

On 3/31/2016 2:38 PM, Chris Schaefer wrote:
>
> Eric,
>
> I’ve been researching this for almost two years now and finally 
> decided to go with Zilla for a 40 module system. I have a heavy clay 
> soil and nothing has been required for permitting or the AHJ. I will 
> have to purchase their adapter to fit any pto post hole digger for 
> about $500 but expect to make that back over a couple of projects. 
> However the real issue came when I got the finalized numbers from them 
> and a normal freight of around $400-600 was expected. Surprise, the 
> cost was just shy of $1,500! Ouch. Well there goes the margin. 
> Apparently because they provide their truss system as a pre-fab which 
> makes them extremely difficult for the shipper and puts them in a 
> higher freight class. So I asked that they provide an option with the 
> truss broken down. We can do the assembly on site. This is something 
> at this time they are unwilling to do without additional fees. While 
> the customer service response has been timely it is obvious to me that 
> this is something that they clearly do not want to do. Of course this 
> has always been our albatross here on the east coast with most racking 
> system being fabricated west of the Mississippi. So while I look 
> forward to trying the helical pier until they come up with a breakdown 
> option of their ground racking system I suggest you look elsewhere. I 
> hope this helps. Let me know who else out there has a helical pier 
> product.
>
> Christopher
>
> Chris Schaefer’s
>
> SolarWindFX
>
> /                    Tel/Fax 585-229-2083 or Cell 585-748-1870 /
>
> /     5115 South Hill Road ~ Canandaigua New York 14424/
>
> /www.solarandwindfx.com <http://www.solarandwindfx.com> ~ E-mail: 
> chris at solarandwindfx.com <mailto:chris at solarandwindfx.com>/
>
>
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>
> Thomas Jefferson, the author of our great Constitution, once said, 
> "democracy" will cease to exist when you take away from those who are 
> willing to work and give to those who would not."
>
> *From:*RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] 
> *On Behalf Of *eric at harvesthesun.com
> *Sent:* Thursday, 31 March, 2016 13:19
> *To:* RE-wrenches
> *Cc:* Ian.isbell at thatsbyers.com
> *Subject:* [RE-wrenches] Helical Anchors for Ground-Mount
>
> We're considering moving away from concrete footings where appropriate 
> on GM projects. I am have not used any helical anchor systems and am 
> curious about the efficiency of the helical anchor system in resi 
> applications. Specifically, am I going to need soil compaction tests 
> and/or geo survey with a P.G. stamp? What is the AHJ going to be 
> looking for? As always, I appreciate any input!
>
> Eric Stikes
>
> Founding Director & CEO
>
> Good Sun Solar, A CA non-profit corp.
>
> www.goodsun.life <http://www.goodsun.life>
>
> (530)798-3738
>
>
>
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-- 
Christopher Warfel, President
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
401-466-8978

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