Maglock Installation in Richmond 77407: Planned at Rough-In, Proven at Inspection

Why maglock work in 77407 is mostly a construction job

The 77407 side of Richmond is not the old downtown near the Brazos. It is the fast-growing stretch of Fort Bend County to the northeast, where master-planned neighborhoods line FM 1464, West Airport and the Grand Parkway and the commercial buildings that serve them keep going up: medical and dental suites, learning centers and daycares, churches, fitness studios and small office condos.

On those projects the maglock question usually reaches us partway through construction. The tenant wants card access on the suite entry and the staff corridor, or a school wants control over who comes through the lobby. The earlier we are involved, the more of the wiring can be hidden inside walls instead of running on the surface after the paint is dry.

Jurisdiction matters here as well. Much of 77407 lies in unincorporated Fort Bend County, while other addresses fall within a city’s limits, and which office reviews and inspects life-safety work depends on where the building sits. We confirm who will inspect your building before the egress design is finalized.

What has to be in the wall before the drywall goes up

• A header box or conduit at the lock location on the secure side, with cable stubbed where the magnet housing will land.
• Frame preparation. Hollow metal frames ordered with reinforcement at the magnet, or with a head left open for cable, instead of discovering on site that the head is packed with grout.
• Blocking in stud walls behind brackets, readers, push buttons and wall-mounted exit sensors.
• Reader or keypad boxes on the non-secure side, on the latch side of the door, at an accessible height.
• The push-to-exit box placed so the finished button sits between 40 and 48 inches above the floor and no more than 5 feet from the door.
• An exit sensor location above the door that stays clear of supply-air diffusers.
• Door position switch prep in the frame.
• A 120 V circuit from the electrician for the lock power supply, and a pathway to the fire alarm panel for the release relay.
• Pathway to the controller location, usually the IT or telecom room, sized for reader, lock and sensor cables.

If the project is already past drywall, none of this is a dead end. It simply shifts more of the work to surface raceway and ceiling access, which we will lay out honestly at the estimate.

Three code paths for letting people out of a locked door

The model building code recognizes several ways to electrically lock a door that sits on the path of egress. Which one fits depends on the occupancy, the specific door, the code edition in force and the authority having jurisdiction.

Sensor release

A motion sensor on the inside releases the maglock as someone approaches, backed by a push-to-exit button that interrupts lock power directly and holds the door released for no less than 30 seconds. Losing power releases the lock, and so does the fire alarm or sprinkler system. This is the familiar arrangement in offices and clinics.

Door hardware release

The exit hardware on the door, a lever or panic bar with a built-in switch, interrupts lock power as the user pushes the bar or turns the lever, in a single action. There is no sensor to aim, and people use the door the way they expect to. It is a strong choice wherever the door already needs panic hardware.

Delayed and controlled egress

Some occupancies may use a listed delayed-egress system, where pushing on the door starts a local alarm and the door releases after a short delay, commonly 15 seconds, with required signage and a building sprinkler or detection system. Certain health care and care occupancies may use controlled egress under tightly defined conditions. Neither is something you build by rewiring a maglock: both are listed products that require the inspector’s acceptance, and some occupancies cannot use them at all.

For a learning center or daycare that wants to keep young children from wandering out, which of these is permitted, if any, depends on how the building is classified. That conversation belongs with the design team and the fire marshal early, before any lock is purchased.

Who does what on a new-build maglock door

Most late-stage problems on these jobs are hand-off problems: a frame arrives without prep because the hardware schedule never showed a maglock, or the alarm relay was assumed to be someone else’s job. Putting names next to each line early prevents both.

How we test before the fire marshal does

We run the checks an inspector is likely to run on every electrically locked door, and record the results for your closeout package:

1. Approach from inside. The sensor releases the lock before a hand reaches the door.
2. Button with the controller out of the loop. With the access controller disconnected, the push-to-exit button still drops the lock, and the door stays free for at least 30 seconds.
3. Total power loss. With both mains and battery removed, every lock releases; then, with the battery restored, the locks hold for the standby period designed.
4. Fire alarm activation, coordinated with the alarm contractor and the monitoring center: every lock on the release circuit drops and stays released until the panel is reset.
5. Status reporting. Bond sensors and door position switches report correctly in the access software.
6. Labels and signage. Buttons marked, and any required door signage in place.

What shapes the budget for a 77407 project

• How early we are brought in: concealed rough-in during construction versus surface work after finishes.
• The number of electrically locked doors and the egress method chosen for each one.
• Whether the hardware set already includes electrified exit devices or frame prep.
• Controller and software: cloud-managed, on-premises, or joining a landlord’s existing system.
• Fire alarm coordination and any return visits for inspection.
• Integration with cameras or a video intercom at the main entry.

We price from the drawings or a site walk and itemize every door, so you can phase the work if the budget calls for it.

Punch-list items that turn into callbacks

• A push-to-exit button roughed in outside the 40 to 48 inch range, or too far from the door, and moved after the wall is finished.
• A ceiling sensor beside a supply diffuser that releases the door each time the air handler cycles, because warm moving air looks like a person to a passive infrared sensor.
• A grouted frame head with no path for the cable, discovered after the frames are set.
• The fire alarm relay forgotten until the week of the final inspection.
• A reader mounted on the hinge side, so every user reaches across the swing of the door.
• No as-built record of which supply and fuse feed which door.

Related services

Frequently asked questions