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Specifying an automatic door means setting requirements for the complete doorset and the way people will use it—not just choosing an operator. Start with the building, traffic, accessibility and escape strategy; then specify measurable requirements for clear opening, activation, safety, power failure, commissioning and maintenance. The applicable standard depends on the project’s location and whether the door is full-powered or low-energy.
What should an automatic-door specification cover?
A useful specification describes the entrance as a system: the door leaves and frame, operator, sensors and controls, safety devices, power supply, signage, interfaces with security and fire systems, and the procedures for commissioning and maintenance. Naming an operator alone does not tell a bidder how the entrance must perform or how it must behave when someone approaches, a safety sensor is obstructed or power fails.
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Begin by recording the opening’s purpose and operating context. CIBSE’s guidance identifies pedestrian traffic volume and type, fire safety, security, air leakage, energy management and wind direction as design considerations. Those factors affect both the door configuration and its controls. For example, a busy entrance used by people with luggage or mobility aids calls for a different assessment of throughput, detection and clear space than a lightly used internal doorway.
Record the opening dimensions, expected peak use, approach and exit directions, trolley or stretcher use, exposure to weather and pressure differences, security needs, acoustic and energy objectives, cleaning regime, and the needs of disabled, older and very young users. Also note whether people may approach from both sides or cross one another’s paths. CIBSE advises considering whether a separate conventional door is appropriate where the proportion of vulnerable pedestrians is high; that is a project decision to assess, not a universal requirement.
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Which standard applies to an automatic door?
Use the standard that matches the project’s jurisdiction and automation class, and identify it explicitly in the tender documents. A standard reference is not a substitute for checking local building, accessibility and fire requirements or confirming acceptance with the authority having jurisdiction.
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- U.S. projects: The applicable reference depends on whether the system is full-powered or low-energy/power-assisted. The available data identifies ANSI/BHMA A156.10 for full-powered doors in U.S. ADA work and A156.19 for low-energy and power-assisted doors. State the intended class rather than leaving bidders to infer it.
- Projects using the European standard: EN 16005:2023+A1:2024 covers power-operated sliding, swing, revolving, balanced and folding doorsets, including safety requirements and test methods. Its stated scope includes normal access, emergency and escape routes, as well as fire-resistance or smoke-control doorsets. Confirm that it is the applicable standard for the project and coordinate it with local rules.
- UK projects: Coordinate accessibility with Approved Document M and escape provisions with Approved Document B, alongside the applicable product standard. The documents address different questions: access and use, on one hand, and fire safety, on the other.
The EN 16005:2023+A1:2024 scope and reference, U.S. Access Board guidance on entrances, doors and gates, and the UK government’s Approved Document M with 2024 amendments and Approved Document B, Volume 2 are relevant starting points. Requirements differ by jurisdiction and project; do not assume one country’s dimensions or fire provisions apply everywhere.
How do you choose the door movement type?
Compare sliding, swing, revolving, balanced and folding doorsets against the actual entrance conditions, rather than choosing by appearance or operator speed alone. EN 16005:2023+A1:2024 names these configurations, but the project still needs to establish which one is suitable.
For each viable configuration, assess the space needed for operation, escape-route geometry, expected throughput, weather exposure, security, accessibility and maintenance access. Consider how people queue, whether a door leaf could swing into an approaching person, and whether the door’s movement conflicts with another door or with pedestrian flows. The specification should identify the selected arrangement and any constraints that shaped the choice, including how people will enter and leave during an emergency.
When comparing compliant proposals, evaluate the whole system: sensor coverage and unwanted activation, opening and hold-open timing, presence protection, safety stops, escape and fire behavior, weather and air-leakage performance, security integration, power-failure mode, maintenance competence, test evidence and lifecycle cost. A headline opening speed does not answer whether the door detects users in time, stays open long enough, or safely supports the building’s escape strategy.
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How wide does an accessible automatic door need to be?
For work subject to the 2010 U.S. ADA Standards, an automatic door system must provide at least 32 in (815 mm) of clear opening in both power-on and power-off modes. Put that minimum in the schedule, and verify the clear opening with all leaves open; do not confuse the nominal door size with the usable clear width.
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The U.S. Access Board’s entrance and door guidance also identifies a 5 lbf maximum opening force for most non-fire doors and a maximum 1/2 in threshold, with thresholds above 1/4 in beveled. These figures are specific to the cited U.S. accessibility guidance and should not be treated as universal values. Fire-door requirements and other local rules may affect what can be specified; confirm the applicable provisions for the project.
Width is only one part of an accessible entrance. Check any required maneuvering clearances, threshold transitions, vision panels, smooth bottom surfaces, controls and breakout openings. For UK work, coordinate control placement with Approved Document M: the available data cites controls at 750–1000 mm above finished floor, operable with a closed fist and set back from the leading edge as specified in that document. Use the document itself and the project’s applicable requirements to determine the detail, rather than treating the range as a complete design.
What should the specification say about activation and sensors?
State how each user is expected to activate the door, where detection must occur, and what the door must do as a person approaches, passes through or pauses in the opening. A generic instruction to “provide sensors” is not enough to define the detection area or safe operation.
Identify the activation method—such as motion or presence detection, a push button, card, coded entry or remote control—and define the intended approach directions and detection zones. Include the required behavior when someone approaches slowly, stops in the doorway or follows another person. Specify how the system responds to a repeated activation and how it avoids unnecessary opening where security or energy performance matters. Set the required opening and hold-open behavior in terms of safe passage, subject to the applicable standard and project conditions; the available data does not provide a universal number of seconds or a universal sensor layout.
For UK work, Approved Document M says sensors should be set so doors “open early enough, and stay open long enough, to permit safe entry and exit.” Translate that outcome into project-specific commissioning criteria and require the settings to be recorded. If swing doors open toward approaching people, include the relevant warnings and a safety stop that activates if closing begins while a person is passing, as described in Approved Document M. Do not assume the same warning arrangement applies to every door type or jurisdiction.
What happens when the power fails?
The specification should state the required behavior on mains failure, battery depletion, fire alarm, emergency release and loss of sensors. There is no single safe default for every location: the correct response depends on the door’s role, its hardware and the building’s fire and escape strategy.
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For a door on an escape route, coordinate the failure mode with that strategy and the authority having jurisdiction. UK Approved Document B includes suitable fail-safe arrangements for automatic doors on escape routes, including monitored opening on mains failure or failing open, subject to the document’s conditions. Do not turn those examples into an unconditional rule for all doors. Identify the required mode for this specific opening, the conditions under which it must operate, and how the system signals or responds to a fault.
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What risk assessment and installation requirements belong in the tender?
Require a documented design risk assessment before installation and assign responsibility for producing and reviewing it. CIBSE states that a design risk assessment should precede installation and that design and installation should be carried out by suitably qualified people.
The assessment should address foreseeable use and misuse, including children, mobility aids, luggage and carts, as well as people moving in conflicting directions. It should consider where someone might pause or be struck, trapped or exposed to a moving leaf; how users recognize the door’s operation; and what happens if a safety device or control fails. These are prompts for the project’s assessment, not a substitute for the competent person’s evaluation of the particular site.
In tender documents, name the expected competence for design, installation, commissioning and ongoing maintenance, and ask bidders to identify who will perform each role. Require evidence appropriate to the selected standard and project: test records, verification of safety devices, final commissioning settings, as-built wiring information and operating instructions. The EN 16005 scope includes design and test methods, but the project should specify which records and acceptance evidence it expects rather than assuming a standard reference automatically delivers a complete handover package.
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Commissioning should demonstrate that the installed doorset meets the scheduled requirements in its real operating context. Agree acceptance criteria before work begins so the installer can verify the intended behavior rather than merely confirm that the door opens and closes.
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- Confirm the installed configuration. Check the movement type, leaves, clear opening, controls and interfaces against the approved schedule and drawings.
- Verify access provisions. Confirm the specified clear width and relevant thresholds, controls, clearances and other accessibility details for the jurisdiction.
- Check activation and safety coverage. Verify detection zones and the required response as people approach, pass through or stop in the opening, including the specified hold-open and re-trigger behavior.
- Verify failure and emergency modes. Demonstrate the agreed responses to the relevant power, alarm, release and safety-device conditions, and document any project-specific limitations.
- Record the final settings and evidence. Obtain commissioning results, safety-device verification, as-built wiring information and instructions for normal, emergency and manual operation.
- Assign maintenance responsibilities. Provide an inspection and maintenance schedule, fault-reporting route, cleaning guidance and a named competent provider.
These requirements make acceptance more useful than a simple functional demonstration: they connect the installed settings to the accessibility, safety and escape requirements written into the brief.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What signage, operating instructions and maintenance should be specified?
Use signs and instructions to make the door’s operation clear to users and to give building staff a defined response in normal and emergency conditions. CIBSE lists examples including “Keep Clear,” “In Emergency Push to Open” and “Automatic Door, Keep Moving,” and points to BS EN ISO 7010 graphical-symbol guidance. Select signs appropriate to the door and site rather than applying every example automatically.
Provide operators with written instructions for normal use, emergency operation and manual modes. The maintenance plan should name a competent provider, establish inspection intervals for the project, set out fault reporting, and cover cleaning and replacement of safety devices. The available data does not establish one universal inspection interval, so specify it with the responsible professional and applicable requirements rather than guessing.
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How do you write a tender-ready automatic-door schedule?
A schedule turns the brief into requirements that can be priced, checked and handed over. Include the following items, filling in project-specific values rather than leaving critical behavior to bidder assumptions:
- Location and use: building area, intended users, traffic pattern and peak-flow assumptions, including mobility aids, luggage, carts or stretchers.
- Opening and configuration: opening dimensions, selected movement type, direction of travel, clear-width requirement and relevant space or escape-route constraints.
- Applicable rules: jurisdiction, required accessibility and fire provisions, product standard and—in U.S. work—whether the system is full-powered or low-energy/power-assisted.
- Access details: thresholds, maneuvering clearances, controls, vision panels, bottom surfaces and breakout openings as applicable.
- Operation: activation method, detection zones, opening behavior, hold-open and re-trigger requirements, safe closing behavior and any security integration.
- Protection and warnings: presence detection, safety-stop behavior, warnings where required, and the acceptance evidence needed to verify them.
- Emergency behavior: required action on mains failure, depleted backup supply, fire alarm, emergency release and sensor or control fault; identify the fire-strategy coordination and authority review.
- Building conditions: weather and wind exposure, pressure differences, air-leakage and energy objectives, acoustic needs and cleaning conditions.
- Delivery and aftercare: design risk assessment, competent personnel, commissioning records, as-built information, user instructions, maintenance schedule and fault-reporting arrangements.
Ask tenderers to state any assumptions, exclusions and proposed alternatives against this schedule. A comparison is only meaningful when proposals address the same opening conditions and safety outcomes. If a bidder proposes a different door type or control arrangement, evaluate its effects on accessibility, throughput, detection, escape, weather performance, security and maintenance—not just its equipment cost or opening speed.
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How should two compliant proposals be compared?
Use a common evaluation list tied to the project brief. First confirm that each proposal addresses the required standard, accessibility provisions, risk assessment and escape behavior; then compare how well it meets the building’s operating needs.
- Does the configuration fit the available space and escape-route geometry?
- Does it address expected throughput and the actual mix of users?
- Are detection zones, opening and hold-open behavior, safety stops and warnings clearly described?
- Is power-failure and emergency operation consistent with the fire strategy and local acceptance?
- Does the proposal address weather exposure, air leakage, energy objectives and security interfaces?
- Are commissioning evidence, maintenance competence and replacement of safety devices clearly covered?
- What lifecycle and maintenance implications follow from the proposed arrangement?
This method exposes gaps that a comparison based on operator speed or initial price alone can hide. Where evidence is missing, request a specific response against the schedule instead of assuming compliance.
Frequently Asked Questions
Can an automatic door also be a fire or smoke-control door?
It can be part of a fire-resistance or smoke-control doorset, but that combination must be coordinated with the fire strategy and the applicable requirements. EN 16005:2023+A1:2024 includes these doorsets within its stated scope; that does not by itself establish that a particular design meets every project’s fire requirements.
Should an automatic entrance have a separate manual door?
That depends on the building’s users, layout and emergency strategy. CIBSE specifically recommends considering a separate conventional door where a high proportion of users are vulnerable pedestrians, but the project team must assess whether it improves access and safe operation at that location.
Who is responsible for deciding the door’s power-failure behavior?
The project design team should define it in coordination with the building’s fire strategy, the relevant authority and the qualified door designer or installer. The tender should state the required response for each relevant failure condition rather than leaving the choice to an equipment supplier.
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Is a door operator’s speed enough to compare two bids?
No. Speed does not show whether detection is early enough, whether the door stays open for safe passage, or how it handles a fault or escape demand. Compare proposals against the same requirements for access, sensors, safety, failure modes, weather, security, commissioning and maintenance.
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