Free fire escape plan · Plumbing companies
A plumbing company keeps copper, PVC, iron and PEX on racks in the warehouse, a pallet of water heaters waiting for installs, a threading bench, a cabinet of primers and cements and a cage of torch cylinders out back, while the vans load in their bays each morning. Snap a phone photo of the plan or a sketch, or upload a CAD file or a PDF, and the free draft marks routes from the office, the break room, the van bays and the warehouse to the man doors and a meeting point out front; then check the cabinet, the cylinders and the rack aisles against the notes below.
The draft isn’t an inspection and doesn’t decide how you keep primers, cements or torch gas. The product data sheets, OSHA (federal or your state plan) and the fire code your city adopted do, so walk every route with the racks stocked and the vans in their bays before the map goes up.
Primers and cements
Solvent-welded joints in PVC, CPVC and ABS pipe are made with cement, many with a primer first, so the warehouse keeps cases of both and every van carries a few open cans. This page can’t tell you whether a particular can is a flammable liquid; Section 2 of its safety data sheet can. When it says so, the cans belong in a cabinet away from the doors, on the shelf and on the map.
| Where the cans are | What applies | Source |
|---|---|---|
| On the warehouse shelf | If Section 2 lists a flammable liquid hazard: inside a cabinet, within its gallon limit, clear of the exits and the walk to them. | 1910.106(d) |
| In a building being repiped or remodeled | OSHA defines construction work to include alteration and repair, so a repipe or remodel job may fall under the construction rules. | 29 CFR 1910.12(b) |
| On a construction job | No flammable liquids kept in exits, stairways or areas normally used for safe passage, and no more than 25 gallons of them in a room outside an approved cabinet. | 1926.152(a)(2), (b)(1) |
| The extinguisher on that job | Wherever more than 5 gallons of flammable or combustible liquids, or 5 pounds of flammable gas, are in use: one rated at least 10-B within 50 feet. | 1926.150(c)(1)(vi) |
An open can left on the threading bench or a van’s back step can tip over where people walk. Put the lid back on between joints, return the cans to the cabinet at the end of the day, and show on the map where the vans and their stock park overnight.
Torches
Copper gets soldered with propane or air-acetylene torches, at the shop and on jobs, so the spare bottles have to live somewhere. Keep the store of them in a cage outside, away from the doors, and treat every joint sweated in a stud bay as hot work in someone else’s building.
LP-gas containers stored while awaiting use or resale go where heat, damage and tampering are least likely, and any stored inside a building can’t sit near exits, stairways or areas used for safe exit (29 CFR 1910.110(f)(2)(i)–(ii)).
Stored outdoors, the containers sit in a suitable enclosure or are otherwise protected against tampering, and each storage location gets at least one extinguisher rated 8-B:C or higher (1910.110(f)(6)(ii), (f)(7)).
OSHA’s construction rules don’t allow LP-gas to be stored inside buildings at all, and they want an extinguisher rated at least 20-B:C at the storage location (29 CFR 1926.153(j), (l)). Leave the spare bottles outside the house.
The 2021 International Fire Code’s hot work chapter applies to open torches as well as welding and cutting (IFC 2021 section 3501.1). Ask your fire code official which edition your city uses and whether it was amended.
| Before the torch is lit | What the fire code asks | Source |
|---|---|---|
| Insulation, framing and dust in the stud bay | Clear what can burn away from the joint, or put a heat shield between the flame and anything that can’t be moved. | IFC 3504.1.1 |
| The far side of the wall | Nothing combustible exposed on the other side of the wall, partition, ceiling or floor being heated, for example clothes in a closet or boxes in the next unit. | IFC 3504.3.1 |
| A fire watch, where one is required | It stays at least 30 minutes after the last joint is finished, longer if the fire code official or the responsible manager says so. | IFC 3504.2.1 |
| The extinguisher | A portable one rated at least 2-A:20-B:C that can be reached within 30 feet of the joint. | IFC 3504.2.6 |
The van bay route runs out the man door and straight down the yard beside the building to the street. The cylinder cage stands well north of that walk with its gate facing the yard, so nobody passes it on the way to the meeting point.
Assembly point · the generator
A phone photo of the plan by the door, a sketch on graph paper, a CAD file or a PDF all work. Name the warehouse, the van bays, the break room and the office, mark the man doors next to the roll-ups and show where the flammables cabinet and the cylinder cage stand. The draft adds routes, exits, safety symbols and a meeting point for you to check against the racks, the bays and the yard.
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Use the result as a starting point. Walk out from the office, the break room, the van bays and both warehouse routes on a morning when the vans are loading, and clear anything that narrows a route.
Before and after
The plain plan shows a warehouse with three pipe racks, a pallet of water heaters, a threading bench, a flammables cabinet and coils of PEX, three van bays behind roll-up doors with restock shelving, a break room with a counter and a table, an office with a desk and a torch gas cage in the yard. The draft then routes people out the office front door, the van bays’ man door, the warehouse’s south door and its west man door, and it places first aid, extinguishers, alarm pulls, exit signs and an assembly point out front.
Added on top of the plumbing company plan
Pipe racks
Copper, PVC, cast iron and PEX come off the racks every morning, and sticks that don’t go back get leaned against a wall, laid across a bench or left in an aisle. Long stock left out is an easy way for a warehouse route to shrink without anyone noticing, and the draft can only show the aisles the plan draws.
A truckload of pipe or a pallet of water heaters sits on the floor before it reaches the racks. Walk the south and west routes the day a delivery arrives, and stage whatever can’t be racked yet on a spot the map doesn’t use as a route.
On a service call
The posted map gets people out of your building. A gas smell in a customer’s utility room is a different emergency with its own steps: leave first, touch nothing that could spark, and call from outside. Teach it alongside the shop plan so every tech knows both.
Every state has a one-call center, and dialing 811 reaches it wherever you’re digging. PHMSA says to call before each job, small ones included, and the call is free (PHMSA call before you dig).
The operators of buried lines mark where they run with flags or paint. State law sets how long they have to do it, and so how far ahead you need to call before trenching for a sewer lateral or a water service.
Before an excavation is opened, OSHA’s construction rule has the estimated location of sewer, water, fuel, electric and other buried lines worked out, and the utility companies or owners contacted (29 CFR 1926.651(b)(1)–(2)).
OSHA’s emergency action plan rule has the plan reviewed with each employee it covers when it’s first developed, when the employee is first assigned, when their duties under it change and whenever the plan changes (29 CFR 1910.38(f)). That review is a good time to hand out the gas card too.
Keep planning
Guides for service trades with torches, job sites and buried lines, plus warehouse and construction maps and the plan templates.
Questions
Yes, to start: upload a phone photo, a sketch, a CAD file or a PDF and a watermarked preview appears without signing up. A free account, with no card required, adds 5 free floor-plan uploads per month, with up to 5 regenerations per upload, along with the editor. Downloads stay marked as drafts until the posting review is finished.
This guide can’t say for a particular product; Section 2 of its safety data sheet can. If Section 2 lists a flammable liquid hazard, keep the cans in a flammable storage cabinet away from the doors. OSHA limits one cabinet to 60 gallons of Category 1 to 3 liquids, or 120 gallons of Category 4 (29 CFR 1910.106(d)(3)(i)), and flammable liquids can’t be kept where they would limit the use of exits (1910.106(d)(5)(i)).
If they’re kept outside, put them in a cage or other suitable enclosure, or otherwise protect them against tampering, with an extinguisher rated at least 8-B:C at the storage spot (29 CFR 1910.110(f)(6)(ii) and (f)(7)). Any kept indoors can’t be near exits, stairways or areas used for safe exit (1910.110(f)(2)(ii)). On construction jobs, OSHA doesn’t allow LP-gas to be stored inside buildings (29 CFR 1926.153(j)).
Under the 2021 International Fire Code, yes: its hot work chapter covers open torches along with welding and cutting (section 3501.1). Its pre-hot-work check includes making sure nothing combustible is exposed on the other side of the wall, ceiling or floor (3504.3.1), and it calls for an extinguisher rated at least 2-A:20-B:C within 30 feet (3504.2.6). Your city may use a different edition, so ask the fire code official.
Leave on foot right away and get everyone else out, without hunting for the source. Don’t touch light switches, plugs, doorbells or the garage door opener, and don’t start the van or use a phone near the smell. Once you’re upwind at a safe spot, call 911, then the gas company. That follows PHMSA’s advice for a suspected pipeline leak; the shop’s fire escape plan doesn’t cover it, so teach it separately.
PHMSA says to call 811 before every digging job, even a small one; the call reaches your state’s one-call center and costs nothing. The operators mark their buried lines with flags or paint, and state law sets how long they have, which decides how far ahead you call. On excavation work, OSHA also has the estimated location of buried utilities determined before the excavation is opened (29 CFR 1926.651(b)(1)).
Illustrations on this page use fictional layouts made for this page. They are not customer plans or live generator results.
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