Corpus sync: neutrality remakes, note hygiene, datasheet relocation, transformer-split cross-refs
---
title: Access Doors and Panels
…123 unchanged lines
## Single Source {toc}
−### Access doors and panels of all types on the project should be furnished by a single manufacturer so that finish, latch operation, and keying are consistent across the building. {note}
+### Access doors and panels of all types on the project should be furnished by a single manufacturer so that finish, latch operation, and keying are consistent across the building.
```datasheet
…34 unchanged lines
### A surface-mount panel has a frame and door that sit on the face of the finished surface, used where the panel is mounted after the finish is complete or where a recessed installation is not practical. {note}
+### The panel type shall be selected to match the substrate and finish at each location, as scheduled.
+
```datasheet
label: Access Panel Type
…9 unchanged lines
```
−### The panel type shall be selected to match the substrate and finish at each location, as scheduled.
−
### A flush universal panel shall not be used in a tiled or otherwise finished surface where a recessed infill panel is required to receive the finish.
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### For masonry installations, the panel frame shall be of the masonry type with anchors or a flange suited to the masonry coursing and the opening.
−# Materials {toc}
+# The panel material is selected for the environment: cold-rolled steel for standard dry interiors, galvannealed steel where corrosion resistance is needed and the panel will be painted, stainless steel for wet, washdown, and sanitary locations, and aluminum where light weight or corrosion resistance with a mill or anodized finish is wanted. {note}
−## The panel material is selected for the environment: cold-rolled steel for standard dry interiors, galvannealed steel where corrosion resistance is needed and the panel will be painted, stainless steel for wet, washdown, and sanitary locations, and aluminum where light weight or corrosion resistance with a mill or anodized finish is wanted. {note}
+# Panel and Frame Material {toc}
−## Panel and Frame Material {toc}
−
```datasheet
label: Panel and Frame Material
…9 unchanged lines
```
−### Cold-rolled steel panels and frames shall conform to ASTM A1008.
+## Cold-rolled steel panels and frames shall conform to ASTM A1008.
−### Galvannealed steel panels and frames shall conform to ASTM A653, with an alloyed zinc-iron coating, and shall be specified in lieu of cold-rolled steel where corrosion resistance of the substrate at coating defects is needed and the panel will be painted.
+## Galvannealed steel panels and frames shall conform to ASTM A653, with an alloyed zinc-iron coating, and shall be specified in lieu of cold-rolled steel where corrosion resistance of the substrate at coating defects is needed and the panel will be painted.
−### Stainless steel panels and frames shall conform to ASTM A240, type 304 for general wet and sanitary locations and type 316 for coastal or chemically aggressive locations, with a No. 4 satin finish unless otherwise scheduled.
+## Stainless steel panels and frames shall conform to ASTM A240, type 304 for general wet and sanitary locations and type 316 for coastal or chemically aggressive locations, with a No. 4 satin finish unless otherwise scheduled.
−### Aluminum panels and frames shall conform to ASTM B209 and shall be used where light weight or a mill or anodized finish is wanted and the strength of aluminum is adequate for the opening size.
+## Aluminum panels and frames shall conform to ASTM B209 and shall be used where light weight or a mill or anodized finish is wanted and the strength of aluminum is adequate for the opening size.
−### Cold-rolled steel shall not be used for exterior, washdown, high-humidity, or chemically aggressive locations, where galvannealed steel, stainless steel, or aluminum is required.
+## Cold-rolled steel shall not be used for exterior, washdown, high-humidity, or chemically aggressive locations, where galvannealed steel, stainless steel, or aluminum is required.
−## Gauge {toc}
+# Gauge {toc}
−### Heavier gauge resists denting and prying; the door and frame of a standard interior panel are typically 16 gauge for the door and frame, with lighter or heavier gauge selected for light-duty or security applications. {note}
+## Heavier gauge resists denting and prying; the door and frame of a standard interior panel are typically 16 gauge for the door and frame, with lighter or heavier gauge selected for light-duty or security applications. {note}
+## The panel door and frame gauge shall be selected for the duty and security of the location, as scheduled.
+
```datasheet
label: Door and Frame Gauge — Steel
…6 unchanged lines
```
−### The panel door and frame gauge shall be selected for the duty and security of the location, as scheduled.
+## Security and high-abuse panels shall use the heavier 14-gauge door gauge.
−### Security and high-abuse panels shall use the heavier 14-gauge door gauge.
−
# Fire-Rated and Smoke-Rated Access Doors {toc}
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### Under IBC Section 716, the required opening-protective rating depends on the rated assembly type, and the Architect shall confirm the required period from the code compliance path rather than from general guidance. {note}
−### A single 1-1/2 hour B-label wall panel is commonly listed by the testing laboratory for both wall and ceiling use; the listing documentation shall be checked for each application before a single product is scheduled for both. {note}
+### A single 1-1/2 hour B-label wall panel is commonly listed by the testing laboratory for both wall and ceiling use; the listing documentation shall be checked for each application before a single product is scheduled for both.
## Temperature-Rise Rating {toc}
### A temperature-rise rating limits the temperature rise on the unexposed face of the panel during the first 30 minutes of the fire test, and is required where the panel is in an assembly enclosing a vertical exit or exit-access stairway. {note}
+### Where the rated assembly enclosing a vertical exit or exit-access stairway requires a temperature-rise-rated opening protective, the access door shall carry the required temperature-rise rating, confirmed by the listing documentation.
+
```datasheet
label: Temperature-Rise Rating Required
…6 unchanged lines
```
−### Where the rated assembly enclosing a vertical exit or exit-access stairway requires a temperature-rise-rated opening protective, the access door shall carry the required temperature-rise rating, confirmed by the listing documentation.
−
### A panel rated for a 250°F maximum temperature rise satisfies a requirement for a 450°F rating, because the 250°F limit is the more stringent. {note}
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## A security panel has no operable hardware on its exposed face and is opened only with a key or special tool, so that the concealed device cannot be reached by an unauthorized person. {note}
+### A security panel shall be provided where the panel is in a public-accessible location and the concealed device must be protected from tampering, including panels serving shutoffs, controls, and electrical devices in corridors and public spaces.
+
```datasheet
label: Security Panel Required
…6 unchanged lines
```
−### A security panel shall be provided where the panel is in a public-accessible location and the concealed device must be protected from tampering, including panels serving shutoffs, controls, and electrical devices in corridors and public spaces.
−
### A security panel shall have no exposed operable hardware on the face and shall be opened only by a keyed cylinder or a tamper-resistant special-tool latch.
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### A touch latch (push-to-open, spring-loaded) opens at a push and leaves no projecting hardware on the face, for a clean appearance. {note}
+### The latch type shall be selected for the access function and security of each panel, as scheduled.
+
```datasheet
label: Latch Type
…9 unchanged lines
```
−### The latch type shall be selected for the access function and security of each panel, as scheduled.
−
### Fire-rated panels shall use the self-latching spring latch of the listed assembly.
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### Salt-spray corrosion resistance of factory-finished steel panels in exterior or corrosive locations shall be demonstrated per ASTM B117 where required by the project.
−# Sizing {toc}
+# The clear opening of an access panel shall be sized for the largest component to be serviced through it, including the room and reach needed to operate a valve handle, withdraw a filter, or service a device, not merely to expose the device.
−## The clear opening of an access panel shall be sized for the largest component to be serviced through it, including the room and reach needed to operate a valve handle, withdraw a filter, or service a device, not merely to expose the device. {note}
+# An undersized panel that exposes a valve but does not allow a wrench to turn it, or that exposes a device but does not allow it to be withdrawn, is a failed panel that forces finish demolition at the first service call. {note}
−## An undersized panel that exposes a valve but does not allow a wrench to turn it, or that exposes a device but does not allow it to be withdrawn, is a failed panel that forces finish demolition at the first service call. {note}
+## The clear opening shall be sized for the largest serviceable component reached through the panel, with allowance for the room to operate and withdraw that component.
```datasheet
…21 unchanged lines
```
−### The clear opening shall be sized for the largest serviceable component reached through the panel, with allowance for the room to operate and withdraw that component.
+## The panel size and location shall be [[drawing: as indicated on the access panel schedule and the drawings locating the concealed device served]].
−### The panel size and location shall be [[drawing: as indicated on the access panel schedule and the drawings locating the concealed device served]].
+## Where a single panel serves more than one device, the panel shall be sized and located to reach all of the devices it serves.
−### Where a single panel serves more than one device, the panel shall be sized and located to reach all of the devices it serves.
−
# Accessibility {toc}
−## Where the operable parts of an access panel — a latch, knob, or keyed cylinder that a building occupant operates — fall within the accessible reach range, those operable parts shall meet the accessibility requirements; a service-only panel operated by maintenance staff with a tool is generally not an occupant operable part. {note}
+## Where the operable parts of an access panel — a latch, knob, or keyed cylinder that a building occupant operates — fall within the accessible reach range, those operable parts shall meet the accessibility requirements; a service-only panel operated by maintenance staff with a tool is generally not an occupant operable part.
```datasheet
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## The Contractor shall warrant the installation, including plumb and square setting, anchorage, finished flush condition of recessed and taping-flange panels, and self-closing and self-latching operation of fire-rated panels, for the specified period.