If you are going to be putting a commercial duct cleaning project out to bid, make sure you go over to the National Duct Cleaner Association’s web site. In particular, you should down load NADCA’s General Specifications for the Cleaning of Commercial HVAC Systems.
It’s free. Obviously, you would need to alter the language Click Here to continue reading.
Originally posted over at Ape Man
If you have been keeping awake as the talking heads drone on, you have probably heard of America’s problem with aging infrastructure. After all, we have had the levees break in New Orleans. We have had a bridge collapse in Minnesota. We have a major dam threatening to blow in Click Here to continue reading.
These links are pretty serious and they have a lot of eye candy. So don’t bother looking at them unless you have some time to blow.
We will start you off easy with a post from Andrew Cusack’s excellent blog on the rebuilding of a historical church in Maryland. Being the committed and historically minded Click Here to continue reading.
Over at Architecture + Morality (they changed the “and” to the plus sign) Corbusier has a new post up called “What Makes a Community: The Problem of Property Ownership and New Urbanism.” As usual, Corbusier’s post is excellent and long overdue. (How come all the Click Here to continue reading.
To see the above picture in its original go here.
Concrete staining can produce some beautiful floors as the above photograph can attest. Maineloft produced that floor by using Scofield’s products. But there are many other products out there that you can use. Going by what I have read, all of them seem to produce Click Here to continue reading.
I have wanted to own Chief Architect for a long time. What other program will enable you to create beautiful models of everything from light commercial buildings to grand log homes? What other program will also enabled you to print out full construction docs (including electrical, plumbing, and HVAC) for those same buildings? What other Click Here to continue reading.
In the process of getting my refrigerate license, I had it pounded it into my head that the method by which CFC’s (such as Freon) destroyed the ozone hole was well understood. So I got a chuckle of this….
But chlorine peroxide is a difficult molecule to work with. Extremely unstable by sea-level laboratory standards, it’s Click Here to continue reading.
In the process of getting my refrigerate license, I had it pounded it into my head that the method by which CFC’s (such as Freon) destroyed the ozone hole was well understood. So I got a chuckle of this….
But chlorine peroxide is a difficult molecule to work with. Extremely unstable by sea-level laboratory standards, it’s been hard to isolate in pure form for study. And despite the generally accepted cascade of ozone depletion reactions, it hadn’t even been detected in the Antarctic until 2004, which difficulty had been largely chalked up to its short lifetime. Now, though, a team at JPL has produced the best synthetic samples of chlorine peroxide to date, and they’ve checked how quickly it decomposes in the presence of ultraviolet light. And, well. . .the problem is, the stuff falls apart much more slowly than anyone had predicted – many, many times more slowly. If they’re right, it’s hard to see how the accepted chemistry of chlorine peroxide-driven ozone depletion can be correct.
Cross Posted to the Watching the Trades
This can be found on a number of websites…..
Some time back there was a major disaster at The State’s Technology Services Division. Details were sketchy but for two full days, employees of The State were unable to logon to their computers or access email, and that this caused business within The State to grind to Click Here to continue reading.
This from the New York Times…..
A large holiday party ended abruptly Saturday night when a second-story deck collapsed and plunged 10 feet onto a concrete patio, injuring more than 30 people.
The Point Pleasant Beach police said that 11 to 25 people were on the 12-by-20-foot wooden deck at the rear of the two-story beachfront house Click Here to continue reading.