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What Do You See?

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I am a big fan of companies getting out and scoping out their response area. Just when you think you have seen it all, something catches your eye that you missed the other 100 times you passed it by.  We all know what I am talking about.

Look at the picture above. As a fire service leader, what do you see?  What have you learned from your years of experience and training about these types of buildings?

What is of significance?

What is of significance that you see right away but the new guy might not have a clue about?

As an officer that will be making the initial decisions on this building you have a great responsibility to know as much about this structure as you can.  It will certainly help you to make the best possible decision about your tactics.

Take the time to sit with your crews and look at the features of this building. What type of construction is it?  What type of occupancy is it?  Why are both so important?  It just might mean the difference of saving the occupants and yourself.

Stay safe and be careful.

Residential or Commercial Alarm?

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Residential or commercial?

Even in this downturn in the economy, there are still very large homes being built.  In many cases these homes are over 5,000 square feet of total living area.

This creates a significant problem for many fire departments, especially smaller, more rural ones, in regards to tactics.

We are fighting these fires with traditional methods and resources. In many cases it just isn’t enough.  Add to the those issues that these are all built using light-weight construction, we have a recipe for disaster, as we have seen across our country.

Firefighters are falling through floors immediately after entering.  Roofs are collapsing much earlier than before.  Contents are causing fires to burn faster and reach untenable temperatures much earlier in the fire.  The larger area requires the firefighters to search longer and further into a building than in the past.

We need to look at these structures a little differently when confronted with a working fire in them.  Here are some considerations that should not be overlooked on these fires:

1. Your going to need more water, get it rolling fast.

2. A 360 is a must. You don’t know what you might have on the back side. 4 stories, victims hanging out windows, location of the fire, etc.

3. A larger line. It may be very prudent to pull a 2 1/2 as your first line of attack.

4. More manpower may be needed due to the multiple functions needed because of the size.  You may treat this alarm like a commercial alarm.

5. Search lines. In these very large homes, it is not out of the question to use a search line.

These are the primary items that you can’t discount. You may need to think differently on these larger home fires to have a positive outcome. I have seen departments burn these houses down because they were using tactics for an 1100 square foot building on a 5500 square foot house.

With the open floor plans and the light weight building materials, fire develops very fast in these homes. Anticipate that and plan for it. Adjust and have back up plans.  Never be afraid to regroup to get it right.

Feel free to add to the concerns, I encourage you to contribute. After all, that is what makes this so much fun.

Stay safe and stay low. Don’t forget to hydrate all day in this heat. Carry around some water and sip on it all day.

Officers, Take a Look Around You!

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What do you see that makes you say, Hmmmm?

Take a look at this picture and tell me what you see?

It isn’t the operations, necessarily, that I want you to see here.

This is why the officer/s need to be aware and not get tunnel vision.

Too many times I have seen new and veteran officers take the nozzle from the back stepper and go barreling in without any regard for what is going on around him.  His days on the nozzle are over for the most part. His job now is to see the conditions and to take a look at the big picture.

So, what do you see?

Stay safe and be careful out there.

Apply the Lessons Learned

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With the fire service and others taking this day and weekend to remember the Charleston 9, along with other high profile LODD, I wanted to do something different. I wanted to look at how we can specifically apply the recommendations that were listed in the report on the Charleston Super Sofa Fire.

I am going to do this just one at a time and I will likely take several weeks to cover them all.  It is very likely that some will intermingle with others, and will be covered together.

Today I want to look at pre-incident planning.  For me, this starts with when the building is being built.   In reality, it is a combination of both, during construction and visits and regular intervals.

conduct pre-incident planning inspections of buildings within their jurisdictions to facilitate development of safe fireground strategies and tactics

Light weight, engineered floor joists.

Today, we stopped in on a new restaurant.  As you can see from the photo it is all light weight, engineered construction.

The comment was made that we need not enter this building if it burns.  Well, in an ideal world that is correct.

The fact is is that we just don’t know what we will be tasked with doing if this building catches fire.  We can’t predict what time of day or who will or will not be in it.  What we can do, however, is know what this building is made of and the hazards associated with those materials and products of construction.

We also must be prudent in our tactics when arriving, like lifting ceiling tiles before we get too far in the building, looking for fire running above us.

This visit provided some great information aside from the type of construction and those hazards associated with them.  First, the building is completely sprinklered.  That is a plus.  We located the FDC and the nearest hydrant.  Both good things.

Concealed spaces over the booths.

We found that this concealed space had sprinklers dropped down to the ceiling level, but none were in the space or immediately above it.  An easy place for fire to spread quickly.

As we discussed earlier in the post, most would say we don’t need to enter this building.  In theory I agree, but we never know what we are facing when we arrive.

Something that we learned was that there is an area on the east side of this building, Side D, that is built with dimensional lumber and is sprinklered as well. The roof construction is not truss and the walls are all dimensional studs.  What can we take away from this?

Side D construction was different than the rest of the building.

We discussed that if there needed to be an attempt to make entry, it would be best to try to take a stand from this area. It is not part of the rest of the roof system and will likely hold up a little longer with the dimensional lumber.

Another idea was that RIT would be staged near this entrance if there would happen to be interior crews making a rescue or knocking down what was perceived as a small fire.  They know that there is a straight shot to the middle of the building through a more secure type of construction.

With all that being said, accessibility to the building needs to be looked at; where will multiple units be staged?  Where will you place ladders and are there overhead dangers?

It is important to look at all of these factors to make a good decision based on prior knowledge.  We also understand that Plan A doesn’t always work so have a Plan B ready based on the planning you did on the building.

There are many other components about pre-incident planning that I didn’t mention, but hopefully you get the point.  Get out and visit these sites.  Be involved and have discussions about how you would perform at a fire here.

Above all, don’t let the lives lost at any LODD be lives lost in vain.  Learn from their mistakes, but don’t be critical, we have all screwed up and been lucky enough to get away with it.  Be constructive and train on the recommendations so that you don’t repeat history.

Stay safe and please, never forget those lost in the line of duty.  We owe them our promise to train hard and to learn from them.

What Is Above You?

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If you pulled up on this store front or one like it, what is your first course of action?

With a fire or just a haze, one of the first things that needs to be done, with an attack line ready, is to start looking above the drop ceiling.  Even if it is drywall, you have to see what is above you in these occupancies.

These types of occupancies are found in fast food establishments, sit down restaurants and strip mall type buildings.  Most of these new commercial buildings are all light weight, truss, engineered lumber construction.

By lifting the tiles and breaching the ceiling, we know how far the fire has advanced before committing people into these buildings.  The concealed spaces are important for initial fire attack in these situations.  It might indicate that the front door is as far as you go.

You have to consider, however, that the overhang outside the front door could be compromised if fire is found in the void spaces of the ceiling.  Fire could be racing through the soffit of the overhang out front.  Additional weight of signs will also cause early failure of these building features.

Remember to think on your feet and be sound in your decisions.  These decisions come from experience and training.  So, train hard and often.

Stay safe and be careful.

Photo from the Fillmore Gazette

Light Weight Strip Malls

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Light weight construction is everywhere.

Light weight construction is everywhere.

This is a picture of some light weight trusses being set on a commercial building.

As you look at this building you can see that it seems to be a series of stores or spaces in a commercial building. Most likely a strip mall type building.

In the old days, these were block buildings with steel roof components, structurally speaking.  They were fairly sturdy buildings, still not great, but heavier construction.

Now, it is all light weight wood.  No doubt they will put a facade on this building that looks like rock or brick, but it is a house of commercial occupancies.  It is also easy to see how fast a fire in the concealed space will consume those truss members, causing very early failure.

In addition, remember what goes on top of these buildings; HVAC units.

Just be aware of what is in your area. Stop by and look at these buildings.  Make sure they are properly building fire barriers and walls with penetrations fire stopped.

Use your training and common sense when these buildings burn, they are dangerous in today’s fire service.

Take care and stay safe.

Making I-joists More Dangerous

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Like they aren't dangerous enough?
Like they aren’t dangerous enough?

This is a look at an altered and inappropriately installed engineered i-joist.  This happens a lot when pieces don’t fit or changes are made to the original design.

This is a weak spot in this floor  and will sag.  It will fail much faster if contacted with fire.

I know many don’t do residential inspections, but, if you do, this is something to watch for.  In addition, just understand that this type of work is out there.

Be careful and be aware.  Stay safe.

More on Light Weight Construction

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Know the dangers of light weight construction!

Know the dangers of light weight construction!

Check out this article for some great information and links in regards to light weight construction and the hazards that are associated with it.  All firefighters and officers need to read this.

Battling the Hidden Danger

Wood Trusses Can Be Killers!

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This is a great video of wood trusses in fire conditions versus dimensional, stick-built lumber under fire conditions.

We all know about the hazards associated with wood truss roof systems, but it is worth looking at again, and again and again.

Training and recognition are key in keeping ourselves and our crews safe.

Check it out and pass on to others, it really is a cool video.

Multiple Story I-Joists Floors

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I-joists are everywhere!

I-joists are everywhere!

This is a picture of a multiple story house being built with engineered i-joists.

We have posted, and probably will continue to do so, pictures of these i-joist on the main level.  Those pictures have been associated with text that tells of firefighters falling into basements.

Just remember that when you go to the second floor to search with fire below you, that second or third story floor is made of these i-joists.  You have to be just as diligent above the main floor as you are on it.

The use of TIC’s are appropriate and should be used, but not solely depended on.  Have good situational awareness and try to coordinate all searches with suppression and ventilation.

Be careful and don’t get complacent.

Thanks again for checking us out, stay safe.

Identifying RTU’s From the Interior

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This is a good indicator that there is a roof top unit.
This is a good indicator that there is a roof top unit.

 

 

The last post showed the RTU from the exterior. Most can be identfified that way from the outside or from getting on the roof through a hatch.

But, what if the building is very large and tall?  In some instances the make up of the building doesn’t allow for easy viewing of the roof top.  The return air can be seen going into the RTU possibly indicating that there is additional load on the trusses.

Just be aware of what is above you.  Some of these large buildings will have several of these on the roof just waiting to come crashing down.  Follow the duct work and see where it goes. If you don’t see the full unit, it is likely on the roof.

In addition, look at the roof system.  Who can identify what the added danger is?

When inside, look for this type of situation.

Take care and stay safe.

What’s Above You?

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What's Above You?

What’s Above You?

When entering a commercial building you need to  take into consideration that the roof may be carrying a heavy load.

Although the roof systems are designed to handle the added load under normal conditions, when attached by fire, these roof top units will come crashing down.

The time to find out about what’s on the roof is not during the fire, but during inspections and pre-planning visits.  Get familiar with these buildings before it’s dark and smokey.

Stay safe and be careful.

Is It Real? Or Is It Something Worse?

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Would you be able to tell that these tiles were solar panels or not?
Would you be able to tell that these tiles were solar panels or not?

Here is a picture of a roof with slate tiles for the roof covering. Nothing really to note here, right?

Looks like an area had been repaired or replaced but is still the same slate tile, right?

The slight color difference is probably from being newly installed or repaired.  But, would it look any different at night? In the rain? How about snow covered?

The truth is, those different colored panels are solar tiles for solar enegry. Yes, they are energized and could cover an entire roof.  If your wondaring, yes, they come in different colors too.

These solar panels aren’t that new to building contruction, but they always stuck out like a sore thumb. Now, with new technology, companies are able to make these panels “blend in” and look very much like the rest of the house and roof.

If you pulled up on one of these houses would you know how to operate safely on this roof?

What is the primary concern with these types of roofs?

Post your experiences and/or ideas about this new challenge that we will all someday see.

Stay safe and be careful out there. Train hard and often.

TIC–Some Food for Thought

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We wont always see the correct temperature from the TIC from the upper floor.

We wont always see the correct temperature from the TIC from the upper floor.

I posted a couple of pictures  a few days ago that showed a living room taped off.  The room looked normal and unaffected by whatever had gone on there.

There is a great deal of information about using thermal imaging cameras to locate fires in basements.  This is a good practice to get in when entering a house with a basement.

However, don’t be solely reliant on the readings you get from the camera.

Here is an excerpt from an article detailing some of the tests and uses where a  TIC could have or did make a difference. You can see the entire article here.

“It is interesting to see that the difference in the temperature reading of the TIC at the top assembly compared to the inferno below. In one test, after five minutes, the TIC temperature showed a comfortable 73 degrees on the floor level above the fire; meanwhile, the temperature below was 1,378 degrees. This was not because TIC was not working or reading inaccurate temperatures; but because the flooring and carpets do not transfer that temperature, so the TIC doesn’t see it.”

So, don’t be totally reliant on the TIC, it has it’s limitations. Situational awareness is paramount and a 360 is a must.  Train frequently with your respective camera and learn it’s abilities and limitations.

Stay safe and train hard.

More Than Just Floors

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Engineered I-Joists being used in construction of roofs.

Engineered I-Joists being used in construction of roofs.

We have been learning about these engineered i-joists over the last several years and we know about the dangers of falling through floors that seem to be intact.

As you can see, these building components are also being used for roofing systems. We are already careful because of the history of light-weight truss systems, but I can see the same problem with these i-joists.

Just remember, the houses are getting bigger and lighter and they are burning faster. Situational awareness and a strong understanding of the risk vs. benefit theory is a must.

Keep you and your people safe and get to know what is being built in your area.

Things Aren’t Always What They Seem

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This living room looks like any other you might run across in any neighborhood...

This living room looks like any other you might run across in any neighborhood...

This living room looks like any other you might run across in any neighborhood. Other than the fact that it is taped off, probably to keep our dirty feet off the clean, lightly colored carpet.

After all, we need to keep our customers happy. We are no doubt protecting the living room from damage after, oh, maybe a kitchen fire, an electrical fire somewhere else in the house.

In fact, we might want to check the basement for the electric panel and other utilities. Let’s take a look.

Ooh, what the $%^#@? This is what happens when the engineered i-joists burn away.

Or is it??

Or is it??

You may never know what is below you based on the conditions on the main floor. Situational awareness is so important and doing your 360 degree size-up is a must.

You might not catch something from the front or even the side B and D. You have to get a look at the the rear of the building, especially on the new, extra large houses that are going up all over our country.

In addition, a thermal imaging camera will not always show you the difference in temperatures between the basement and the main level. There is some information about the TICs that I will try to post later. Stay safe and keep training.

Engineered I-Joists: Be Aware of Your Buildings

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[youtube=http://www.youtube.com/watch?v=DWMhA2wDTes]

Some of you may have seen this video, but is worth looking at again and showing it to your firefighters, officers and building officials.  Take time to look at your subdivisions and know the dangers. Stay safe.

Oh, The Good Old Days are Gone!

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Remember the good old days when your commerical buildings were block and mortar or steel buildings with large dimensional lumber? Those days are long gone and it has made our job that much more dangerous.

When this building is completed, it will likely have a facade giving it the look of a brick, block or non-combustible building, but obviously, it is completely wood frame.  If you don’t get involved with new construction and pay attention, you could miss what is happening here.  Your companies could pull up on a commercial fire and be under the wrong impression about the makeup of this building and make a tragic mistake.

These buildings fail faster and are more and more common.  Stop and look at what is being built and how it is being built, it just may save your life.