How many of you are currently carrying large diameter hose? I am talking about 5 inch diameter or larger.
How much of it are you carrying on your units?
We have 800 feet on our Engine 3. It takes up alot of room, but is well worth it.
Also, is it set up for quick couple or are your connections threaded?

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Our 3 pumpers carry 1000' each 5" with Storz connections. We also carry 400' of 3" with NHT.
Both engines have a 1000 Ft of hose and our ladder has 500 ft of hose with storz connection. Most of our ma co also have storzs connections, but we do have fittings for npt
Help me here, because I thought threads came in two choices: NPT (National Pipe Thread) or NST (National Standard Thread). But I can't remember what is more common. Maybe that's why we carry all of the adapters.
Storz is excellent, but you have to replace gaskets at scheduled intervals. Otherwise, drip, drip, drip.
1000' of 5" storz connections on every engine. No drip drip drip at all! We also carry 5" pony lengths on all the trucks assorted 25 foot to 50 foot lengths for those times another 100 feet is overkill. Makes hookups very easy and you don't get stuck with that extra 50 foot to flake out if you don't need it. Also carry 800 foot of 3" NST. Visit our engines here: East Windsor Fire #2

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Anybody run with more than 1000' of 5" onboard?
We have had LDH on every engine (all eight plus reserves) since 1985 with storz connections. This is like having your own portable main. There is no reason why in this day and age fire departments should be doing without this, given the fuel loads in the occupancies we have to deal with. Each engine has 800 feet on board. We also have pony lengths as well.

We have had no problems with dripping and no problems with adapters, since our brothers in Bluffton Township carry the same stuff (and being on an Island, they are our only direct backup on the other side of the bridge).
5" on all 3 engines and our truck. Loads vary, truck has 700 feet, reserve engine with 700', lead engine 1000', and engine that usually catches the hydrant has 1500'. Great supply, pain in the a** to pick up. Storz connections on all of it. No real problem with leaks, but one guy (or gal) fussing with the damn safety locks alone can be frustrating. We also have short lengths for finishing a lay as described by Cap46 and others. Next size down is good ol' 2 1/2, but not used for supply.
We have 4 inch...and carry 1000 feet of it....used to carry 800 feet but the Chief wasn't happy...and as the saying goes..."If the Chief ain't happy....then no-one is happy"...Stortz fittings....Paul
Our pumper and pumper-tanker each have 1,000 feet of 5 inch with Storz, and the new Timberwolf has 700 feet. Each truck also carries 25 or 50 foot pony lengths as well.

Now for a follow-up question: How many departments carrying LDH have accidentally DUMPED it in the middle of the road, going to or from a call or drill? ANSWER – probably everyone has. If you haven’t – oh yeah, it sucks big-time. "Fire Dipatcher to the truck that just went through Honeoye, you dropped some hose..."
We also have the pony lines 1 25 1 50 on each with storz.
We are a small rural district (4 type 1 engines, 6 tenders, a whole bunch of brush trucks). We carried a 50 ft length of 5" (now we use strictly 3") for a supply line but the majority of our hose is 2 1/2 " to 3". Our cross lays are 1 3/4". I find that 3" is plenty of diameter for what we use. Even with 3" line, we can empty 1100 gallons in about 4 min (with the monitor, closer to 2 min). Obviously the application you are referring to is in the big city where the water is more readily available, but I think we get alot of use out of the 3" and it's alot easier to work with and doesn't take up as much space. Is the friction loss saved worth it?
We have 2500' on our second out truck. We have some areas that are unhydranted and this makes for a great protable water main. Other than that, 600' on all trucks.
We are also a rural district and run tanker shuttle operations, although hydrants have just been installed in a small area of town. We have long driveways and small roads where dropping 5 inch with the first truck in is the only option to get a decent supply established.

There is one drawback to 5 inch - with 1000 feet on a pumper with a 1000 gallon tank, and 1 gallon per foot capacity of hose - if you lay all of the LDH you only have enough water on the truck to fill the hose.

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