Re: [RE-wrenches] Lightning Protection System

2010-08-22 Thread Kurt Albershardt
A little late to the party here, but it might interest you all to know that the military has its own well-constructed standards for lightning protection. Army Technical Manual 5-690 is a wonderful educational resource that explains the rationale for various measures quite clearly (and covers mu

Re: [RE-wrenches] Lightning Protection System

2010-08-02 Thread Kelly
Thanks, David Not much lightening here. LOTS of leftover & ignorant goo in these specs. Like 20 to 30 kW of VAWT's with specs just like the subject of a recent thread on this list entitled "Wind Scam" Only the best for the US military! Kelly, from mobile On Aug 2, 2010, at 9:29, David Brearley

Re: [RE-wrenches] Lightning Protection System

2010-08-02 Thread Dana
.@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dana Sent: Monday, August 02, 2010 10:56 AM To: 'RE-wrenches' Subject: Re: [RE-wrenches] Lightning Protection System I have worked with Heary Brothers out of NY for ESS - Early stream e

Re: [RE-wrenches] Lightning Protection System

2010-08-02 Thread Dana
On Behalf Of David Brearley Sent: Monday, August 02, 2010 10:29 AM To: RE-wrenches Subject: Re: [RE-wrenches] Lightning Protection System Kelly, The company we used the most is Bonded Lightning Protection Systems: http://www.bondedlp.com/ They had local offices for our projects in Austin

Re: [RE-wrenches] Lightning Protection System

2010-08-02 Thread David Brearley
Kelly, The company we used the most is Bonded Lightning Protection Systems: http://www.bondedlp.com/ They had local offices for our projects in Austin, TX and a regional HQ. Also, they had installed many of the lightning protection systems that we came across on existing buildings, including sem

Re: [RE-wrenches] Lightning Protection System

2010-08-01 Thread Kelly Keilwitz, Whidbey Sun & Wind
David, Sounds like a perfect solution to me. The UL website lists 14 pages of Listed Installers for lightning protection, about 70% located in the Southeast, and the closest to WA State in Utah or SoCal. Do you recall the name of any such firm you liked to work with and were reasonable wit

Re: [RE-wrenches] Lightning Protection System

2010-08-01 Thread David Brearley
Kelly, When I came across language like this in an RFP, my assumption was that we needed to work with a specialty lightning protection subcontractor, a firm listed by UL. I would call them up, give them a project description and request a quote, which I would build into our cost estimate for the p

[RE-wrenches] Lightning Protection System

2010-07-31 Thread North Texas Renewable Energy Inc
rg]on Behalf Of Kelly Keilwitz, Whidbey Sun & Wind Sent: Saturday, July 31, 2010 3:28 PM To: RE Wrenches listserve Subject: [RE-wrenches] Lightning Protection System Hi All, I'm working on the design for a PV & Wind power system for a military installation. The specs call

[RE-wrenches] Lightning Protection System

2010-07-31 Thread Kelly Keilwitz, Whidbey Sun & Wind
Hi All, I'm working on the design for a PV & Wind power system for a military installation. The specs call for Lightning Protection as follows: "Provide a complete lightning protection system with a UL Lightning Protection Inspection Certificate. including, but not necessarily limited to,

Re: [RE-wrenches] Lightning protection system

2009-03-10 Thread Darryl Thayer
amount of current induced. --- On Tue, 3/10/09, Joel Davidson wrote: > From: Joel Davidson > Subject: Re: [RE-wrenches] Lightning protection system > To: "RE-wrenches" > Date: Tuesday, March 10, 2009, 10:16 PM > A few years ago, Bill Brooks or another wrench specif

Re: [RE-wrenches] Lightning protection system

2009-03-10 Thread Joel Davidson
ssage - From: "Darryl Thayer" To: "RE-wrenches" Sent: Tuesday, March 10, 2009 6:51 PM Subject: Re: [RE-wrenches] Lightning protection system Thanks Joel the Lightning and Transients research Institute has been closed, I am sorry to say. The paper is valuable and reassur

Re: [RE-wrenches] Lightning protection system

2009-03-10 Thread Darryl Thayer
cable. This also implies the grounding system should be of low resistance. DAryl --- On Tue, 3/10/09, Joel Davidson wrote: > From: Joel Davidson > Subject: Re: [RE-wrenches] Lightning protection system > To: "RE-wrenches" > Date: Tuesday, March 10, 2009, 8:14 PM &g

Re: [RE-wrenches] Lightning protection system

2009-03-10 Thread Joel Davidson
2009 11:04 AM Subject: Re: [RE-wrenches] Lightning protection system Hi Darryl, Just to see what your take would be, and other's - what would the case be should the modules have non-conducting frames (or even no frames)is the case with some systems on the market? Matt T Darryl

Re: [RE-wrenches] Lightning protection system

2009-03-09 Thread Matt Tritt
ed in 690 and 250. Sorry I said so much. Darryl --- On Fri, 3/6/09, Drake Chamberlin wrote: From: Drake Chamberlin Subject: Re: [RE-wrenches] Lightning protection system To: "RE-wrenches" Date: Friday, March 6, 2009, 8:47 AM I didn't get a reply to the question

Re: [RE-wrenches] Lightning protection system

2009-03-06 Thread Richard L Ratico
Hi Drake, Dont know why not. Meet code as much as possible: 1) AWG of the lightning down conductor adequate? 2) Use non reversible, listed connector to splice array SGEC to down conductor 3) Do you need an additional ground rod? Resistance to earth OK? 4) These rod/rods need to be bonded to t

Re: [RE-wrenches] Lightning protection system

2009-03-06 Thread David Palumbo
02-888-7194 -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org]on Behalf Of Joel Davidson Sent: Friday, March 06, 2009 11:31 AM To: RE-wrenches Subject: Re: [RE-wrenches] Lightning protection system Drake, Most electrici

Re: [RE-wrenches] Lightning protection system

2009-03-06 Thread Joel Davidson
6:47 AM Subject: Re: [RE-wrenches] Lightning protection system I didn't get a reply to the question about connecting the GEC to the lightning protection system on the 8 story building. Although this may seem like an intrinsically dangerous idea, a lightning protection system is required to

Re: [RE-wrenches] Lightning protection system

2009-03-06 Thread Darryl Thayer
, ie grounding electrode system. The code says little about this, however, it is addressed in 690 and 250. Sorry I said so much. Darryl --- On Fri, 3/6/09, Drake Chamberlin wrote: > From: Drake Chamberlin > Subject: Re: [RE-wrenches] Lightning protection system > To: &qu

Re: [RE-wrenches] Lightning protection system

2009-03-06 Thread Drake Chamberlin
I didn't get a reply to the question about connecting the GEC to the lightning protection system on the 8 story building. Although this may seem like an intrinsically dangerous idea, a lightning protection system is required to be bonded to the building grounding electrode system. "250.106 Li

[RE-wrenches] Lightning protection system

2009-03-04 Thread Drake Chamberlin
Hello Wrenches, Can the supplemental grounding electrode conductor be connected to a lightning protection system? We have a case where it would be difficult to run a GEC down a multi story building, but have a convenient copper wire, from a lightning protection system, that runs to a rod.