ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Recent Posts
12 Lead Motor Connection Weird
by emolatur - 01/19/22 02:40 PM
Any women electricians here?
by gfretwell - 01/17/22 01:44 PM
Well There's your problem.
by gfretwell - 01/08/22 12:17 AM
Happy New Year!!
by HotLine1 - 01/04/22 09:50 AM
Sangamo s309.2
by Robski - 12/31/21 04:54 PM
New in the Gallery:
240/208 to a house
240/208 to a house
by wa2ise, October 9
Now you know.
Now you know.
by Tom_Horne, September 7
Who's Online Now
0 members (), 47 guests, and 13 robots.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Page 1 of 2 1 2
#211079 09/12/13 09:32 PM
Joined: Jan 2005
Posts: 5,316
Cat Servant
Same employer, just a new task. Fans. Rooftop Fans.

Following Murphy's Law, this came during the hottest, sunniest week of our delayed (and mild) summer.

As with 90% of electrical work, this job has little to do with Ohm's law, and even less to do with code minutia. Nope. It's just that a steel mill has suddenly discovered that most of the fans are not working over the hottest parts of the plant.

Let's see the results so far: 85% of the fans had failed belts, 15% have motors with destroyed bearings. Not a single, true "electrical" issue found yet. Fans are caked with inches of caked "grease," and in some places the roof deck will burn you if you touch it - even for a moment.

Starters turn out to be rather well marked - but most artfully hidden. LOTO is carried to an extreme, with every person supposed to add their lock to the starter. Sometimes you can't see the starter for the locks.

More interesting is the customers' "100% tie off" policy, on a roof where OSHA rules are a lot more lax. It seems half the day is spent fighting with the damn ropes. You are often 300 ft. from the edge of a nearly flat roof, and they want us tied off. At least they haven't discovered the OSHA rule against using a boom lift as an elevator smile

I'll tell you this: my kit now includes a large welders' blanket, to place between me and the hot tin roof. I have also found the only practical way to haul stuff around the roof is a children's snow sled - it rides across the ridges on the roof with ease.

Sunburn is an issue. Sun glasses a must. Gatorade by the gallon. Ice by the ton.

renosteinke #211080 09/13/13 12:35 AM
Joined: Mar 2004
Posts: 947
twh Offline
A solution to the starter full of locks is a box with lockout holes around the perimeter and a plexi window. The starter is locked out and the key placed in the lockout box behind the plexi window. Then, multi-locks are added around the lockout holes. It does get a little out of control.

You know it's hot when you open a junction box and the wire nuts have completely melted off. Ideal makes a high temperature wire nut. It's too late for me to try them but I love to hear how they work, if you get a chance.

Steel mills really should have a bring-your-spouse-to-work day. You just can't describe hell without actually being there.

renosteinke #211095 09/13/13 09:59 PM
Joined: Apr 2002
Posts: 7,288
Likes: 4
The varied types of 'work' that electricians do is a topic that I discuss in class at Vo-Tech. Entry level guys/gals, looking for a new path.

I have to say the 'hot tin roof' is something I have not encountered; that is the 'tin' part. Also have to add I never saw a steel mill.

Over the years, frozen, baked, broiled, soaked, dirty, confined, nausea, and probably others that escape me at the moment. We probably all have "been there"

From 'clean rooms' to trash dumps, to sewage pump stations, to nice comfortable office trim outs, to hot attics, hot/noisy factories, we all pay the dues.

At the end of the discussion, I then ask....'so you want to electricians??'

renosteinke #211098 09/13/13 10:16 PM
Joined: Jan 2005
Posts: 5,316
Cat Servant
"Hot" is a relative term. Had I put a thermometer on the roof decking, I probably would have measured a temperature of around 140F. Not hot enough to hurt much of anything except you. I woke this morning to some very nice little 1st degree burns ("sunburn") on my palms and knees.

I've used the black bakelite wire nuts for some "105C" light fixtures. They work just like the cheap plastic ones that come with the fixtures. Nicer hi-temp nuts have a bakelite shell that screws over a metal compression barrel.

The "tin" roof was, in reality, your usual sheet steel, corrugated steel roof deck, the sort with an inch or two of fiberglass under it.

I told the tale not just to accent the working conditions, but also the nature of the work. Instead of the usual dikes and strippers, I was using sockets and pry bars.

The site got off to a bad start this AM, when someone cut off their arm near the elbow. Patient and arm were flown 75 miles to the nearest 'real' hospital. Maybe they can fix it.

I can't speak for others ... but for me, this beats standing along a production line or sitting in front of a computer all day.

renosteinke #211099 09/13/13 10:23 PM
Joined: Apr 2002
Posts: 7,288
Likes: 4
My comments are not meant to reflect any derogatory reflection on your post. This is a topic everyone who enters 'our' trade should be aware of. Most Building trades share the same conditions.

I didn't want to rant on about the 'tools of the trade'; I use that for another class.

renosteinke #211101 09/14/13 01:24 AM
Joined: Mar 2004
Posts: 785
We do a fair share of rooftop work here in the desert. A wet rag tied around your head (made from a cotton tee shirt) long enough to cover your neck helps a LOT. Also, a long sleeved cotton shirt helps believe it or not. And a hat with a screened top to ventilate.

renosteinke #211103 09/14/13 01:59 AM
Joined: Jul 2004
Posts: 9,677
Likes: 9
When my wife was brand new in the A/C business she made the mistake of sitting on a tar roof while looking for model numbers on a condenser.
1st degree didn't cover the burn she got.

Greg Fretwell
renosteinke #211106 09/14/13 12:04 PM
Joined: Jan 2005
Posts: 5,316
Cat Servant
Oh, we all have our tricks - each area has its' own challenges.

BigB, you brought up a few interesting contradictions in the sacred quest for 'safety.'

A loose cotton shirt? A damp rag? No way.

The damp rag isn't nearly the help in 76% humidity it may be in 15%. Nor is it very effective when confined by a hard hat. Thank heaven they have vented hard hats - though it's an uphill battle getting them allowed, as they lack the 'electrical' rating.

Clothing has to be 'fire resistant.' All tails tucked in (might get caught on something). Then it's held tight to you by that 20# harness / lanyard combo. Oh, and don't forget the required reflective (and non-absorbent) vest.

Using 'tinted' safety glasses is also a matter of contention for many safety directors - regardless of the specific conditions. They must believe we're not smart enough to know when to take the sunglasses off! Tell these clowns about going 'snowblind' from the glare, and their response is 'you're tied off- so what if you step off the edge?'

Some days, I think the locks on office doors need to be turned around. laugh

renosteinke #211184 09/22/13 10:43 PM
Joined: Sep 2013
Posts: 43
I remember those many projects where we were so safetied up that we could hardly get anything done, It was ridiculous.

I do agree safety is the most important aspect of any job especially the large ones with heavy equipment and cranes but to wear a safety harness when your feet are above 6ft. Such a joke .. Unfortunately when I was on a large job during the period when the corrugated decks were being laid there was one death, 1 unfortunate carpenter fell to his death while cutting the supports of a plywood cover over an elevator shaft that went multiple floors to the bottom, needless to say he didn't have a chance ..nor was he wearing a harness, very sad day.

You guys may of still needed to be harnessed simply incase the roof below your feet gave way ..

The worse project I was on would have to be the water treatment facilities .. nasty stink not to mention the soil can have very hazardous bio bugs. you certainly didn't want to put your fingers anywhere near your mouth or eyes ..

Last edited by MarkPerry; 09/22/13 10:44 PM.

Anyone claiming to know everything about Electrical, is wrong.
renosteinke #211199 09/24/13 07:13 PM
Joined: Jan 2005
Posts: 5,316
Cat Servant
Just came down off the highest roof in the county, only to learn that someone sought out my boss to tell him that I was simply terrified of heights.

The rat's timing couldn't have been better. He's completely discredited.

Now, if only my knees would stop hurting .... laugh

Page 1 of 2 1 2

Link Copied to Clipboard

Tools for Electricians
Tools for Electricians

* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman


Member Spotlight
Posts: 421
Joined: September 2005
Top Posters(30 Days)
Robski 1
grich 1
Popular Topics(Views)
288,189 Are you busy
220,264 Re: Forum
206,245 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.5