We use ss anchor (L) bolts when we need to bolt to pillars. Remember to use an anti seize compound when installing initially.
Daryl > This is an amazingly timely post for me! I was just thinking of asking > the > same question since i have a couple of ground mount installs coming up > with > concrete pillars/galvanized anchor bolts/aluminum channel base. I notice > that DPW for example specs galvanized pipes to be attached with u-bolts to > their aluminum racking in their LGM racks. > > Anxiously awaiting the collective wisdom... > > On Wed, Oct 5, 2011 at 11:23 AM, Jeff Yago <jry...@dtisolar.com> wrote: > >> For years we have used standard mounting racks like UniRac rails bolted >> together with stainless-steel hardware. On larger arrays this usually >> means >> bolting their extruded aluminum module rails to galvanized 3 pipe >> supports >> for ground mounted arrays.**** >> >> ** ** >> >> We have recently received several flags during the engineering review >> process of our design documents on state funded projects stating all >> bolted >> connections between aluminum and galvanized steel will require neoprene >> washers to prevent corrosion.**** >> >> ** ** >> >> Any of you run into this requirement or have had any problems? The only >> issues we ever see with corrosion is mixing copper and aluminum such as >> where somebody used wrong type module frame ground connectors.**** >> >> ** ** >> >> Jeff Yago**** >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> >> >> > > > -- > Shine On! > > Kris Schmid > Legacy Solar, LLC > 864 Clam Falls Trail > Frederic, WI 54837 > www.legacysolar.com > 715-653-4295 > NABCEP Certified PV Installer > BSEE > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org