Tag: preventative maintenance

Commercial Elevator Service in Meridian, Idaho: A Practical Maintenance Plan for Safer, More Reliable Buildings

Reduce downtime, protect tenants, and stay inspection-ready year-round

Commercial elevators do a lot of invisible work: moving customers, residents, staff, deliveries, and mobility devices safely—day after day. When service is reactive (only calling after a breakdown), costs and disruptions tend to rise quickly. A structured commercial elevator service plan helps building owners and property managers in Meridian keep equipment dependable, improve ride quality, and avoid last-minute scrambles around inspections and required tests.

What “commercial elevator service” should include (beyond basic repairs)

A strong service program is a blend of preventative maintenance, code-driven testing coordination, documentation, and fast-response troubleshooting. For many Meridian facilities—medical offices, multi-tenant retail, churches, schools, light industrial spaces, and small commercial buildings—reliability and compliance are the two goals that matter most.

Core elements of a quality service plan

  • Routine preventative maintenance visits tailored to usage (traffic, hours, environment, building type).
  • Safety checks and adjustments to keep doors, locks, sensors, and leveling consistent.
  • Condition-based recommendations (wear items, upgrades, and modernization planning).
  • Documentation of work performed, findings, and next steps—so you can manage risk and budgets.
  • Coordination for required inspections/testing (including scheduled multi-year tests where applicable).
  • On-call repair support for entrapments, faults, door issues, and ride-quality complaints.

Maintenance vs. testing vs. inspection: the difference matters

Property teams often use these terms interchangeably, but they’re not the same:
Item Purpose What it looks like in real life
Preventative Maintenance Reduce wear, catch issues early, improve reliability Lubrication, door operator checks, leveling adjustments, controller checks, ride quality review
Code-Driven Testing Verify safety devices and performance per applicable code intervals Category tests such as annual and multi-year testing (where adopted/required), often with witnessed procedures
Inspection Formal compliance review by the authority having jurisdiction / qualified inspector Certificate-to-operate process and scheduled periodic inspections; record review and operational checks
In Idaho, statutes and agency guidance describe periodic inspection requirements and operating certificates; many building owners also schedule additional routine service to keep equipment dependable between formal inspection milestones.

Did you know? Quick reliability & compliance facts

  • Door issues are a top source of elevator callbacks. Small door-operator adjustments can prevent recurring faults and nuisance shutdowns.
  • Inspection readiness is largely paperwork readiness. Keeping a clean maintenance log and service history reduces confusion when questions come up.
  • Idaho references periodic inspection intervals. Idaho law includes language indicating periodic inspections are required at least every five years, and state program guidance also references periodic inspections on that cadence.
  • LULA elevators can support accessibility in certain low-rise situations. The ADA standards allow LULA elevators in specific scenarios where an accessible route between stories is not otherwise required.

A step-by-step commercial elevator maintenance plan (property-manager friendly)

Tip: If you manage multiple sites, standardize your checklist across all locations—then adjust frequency based on traffic and building use.

1) Define your elevator “use profile”

Note daily traffic, peak times, type of passengers (public-facing vs. controlled), and whether you move carts, deliveries, or medical equipment. This helps determine maintenance frequency and which wear points deserve extra attention.

2) Schedule preventative maintenance visits (and stick to them)

Consistent visits catch small issues before they become shutdowns. Your service provider should inspect doors, locks, interlocks, leveling performance, signals, cab fixtures, ride quality, and key components in the machine/control area.

3) Track “repeat offender” symptoms

If you see recurring issues—doors reversing, intermittent faults, leveling complaints, call buttons sticking—log the times and conditions. Patterns help technicians pinpoint root causes faster (and reduce billable troubleshooting hours).

4) Prepare for required tests well before deadlines

Many jurisdictions use annual and five-year safety test concepts (often described in ASME A17.1 testing categories). Even when your formal inspection cadence differs, planning early helps you avoid rushed scheduling, tenant disruption, and retest fees if an issue is found late.

5) Keep a “ready-to-show” compliance folder

Maintain a digital and on-site folder with: service logs, shutdown reports, parts replaced, testing records, and any modernization documentation. If ownership or management changes, this prevents knowledge loss and reduces liability gaps.

6) Use modernization strategically (not emotionally)

Modernization can improve reliability and parts availability—especially for older controllers, fixtures, or door equipment. A measured approach is best: fix chronic downtime first, then plan phased upgrades around occupancy and budget cycles.

Choosing the right equipment approach for your building

Meridian buildings vary—from newer mixed-use spaces to established community facilities. The “right” vertical access solution depends on usage, code needs, space constraints, and long-term serviceability.
System Type Best For Service & Planning Notes
Non-proprietary commercial elevators Higher traffic, multi-tenant buildings, public-facing facilities Prioritize documented maintenance, door performance, controller health, and parts strategy
LULA elevators Low-rise accessibility needs where appropriate under ADA allowances Confirm expected traffic levels and compliance intent; plan service around door and leveling consistency
Commercial wheelchair/platform lifts Short-rise access solutions, specific entrances or stage/platform areas Keep pathways clear, test interlocks regularly, document checks; plan for weather exposure if exterior
Freight/material lifts Warehousing, back-of-house logistics, moving heavy loads Emphasize load practices, gate/door integrity, and operator training; schedule heavier-duty PM
If your building is struggling with frequent shutdowns, your service team can often improve stability without a full replacement—through targeted work like door equipment tuning, controller diagnostics, fixture replacement, and proactive parts planning.

Meridian, Idaho angle: what local property teams should plan for

Meridian continues to grow, and that often means busier buildings, higher tenant expectations, and tighter scheduling windows for service work. Three local realities tend to shape elevator service plans:

  • High-traffic hours are predictable. Retail peaks, medical appointment blocks, and school/church schedules make it easier to plan maintenance during low-impact windows.
  • Seasonal conditions matter. Exterior entrances and vestibules track in dust, gravel, and moisture—common contributors to door issues and sensor misreads.
  • Compliance coordination is a management task, not a technician-only task. Having a single point of contact (PM or chief engineer) helps ensure records, access, and scheduling stay organized.

Related services from Idaho Custom Lifts & Elevators

Need commercial elevator service in Meridian or the Treasure Valley?

Idaho Custom Lifts & Elevators provides design, installation, and ongoing service for commercial elevators, LULA elevators, platform lifts, freight lifts, and dumbwaiters. If you want fewer callbacks, clearer documentation, and a maintenance plan that fits your building’s usage, we can help.

FAQ: Commercial elevator service in Meridian, ID

How often should a commercial elevator be serviced?

It depends on traffic and environment. Public-facing buildings and high-use sites typically benefit from more frequent preventative maintenance than low-traffic sites. The best starting point is a usage review (traffic, peak times, door cycles, and any repeat issues), then set a consistent schedule and adjust based on results.

What should I track as a property manager?

Track callbacks by symptom (door faults, leveling, “stuck” buttons, nuisance shutdowns), dates/times, and user impact. Also keep a clean service log, testing records, and any inspection paperwork in one place so nothing gets lost during staff turnover.

What is a “five-year test” and do I need one?

Many elevator safety programs use multi-year testing concepts (commonly associated with a “five-year” full-load or Category 5 testing framework in ASME A17.1). Whether and how it applies can depend on your equipment type and local requirements. A service provider can help you confirm what your specific conveyance needs and schedule it early to avoid disruptions.

Why do elevator doors cause so many problems?

Doors are the most frequently used moving parts on many elevators. Misalignment, worn rollers, dirty tracks, weak or misadjusted operators, and sensor issues can all create intermittent faults. Proactive door maintenance is one of the best ways to reduce downtime.

Can a LULA elevator help my building meet accessibility needs?

In certain low-rise situations, ADA standards permit LULA elevators as part of an accessible design approach. The right fit depends on building layout, expected usage, and what the project must achieve. If your building sees heavy daily elevator demand, it’s important to confirm that a “limited use/limited application” solution matches the real traffic pattern.

Glossary (plain-English)

Preventative Maintenance (PM): Scheduled service intended to reduce breakdowns by inspecting, adjusting, and replacing wear items before failure.
QEI: Qualified Elevator Inspector—an inspector credential commonly referenced for formal elevator inspections and certain tests.
Category 1 Test: A commonly used term for routine periodic testing concepts associated with annual checks in many programs (exact requirements vary by jurisdiction and equipment type).
Category 5 Test: A commonly used term for a more intensive multi-year testing concept often associated with a five-year interval and full-load testing (requirements vary by jurisdiction and equipment type).
LULA (Limited Use/Limited Application) Elevator: A special-purpose elevator type permitted in certain low-rise accessibility situations and governed by specific standards.
Non-proprietary elevator: An elevator design approach intended to avoid single-source dependence for certain parts/service, improving long-term serviceability.

Commercial Elevator Service in Boise, Idaho: A Practical Maintenance Plan for Safer, More Reliable Buildings

What “good elevator service” really means for property managers

Commercial elevator service isn’t only about fixing a breakdown. It’s a repeatable system that reduces downtime, keeps riders safe, and supports compliance documentation year after year. In Boise and across the Treasure Valley, a clear plan helps you coordinate tenants, vendors, and inspections without surprises—especially when your building’s traffic spikes, weather shifts, or renovations stress the equipment.

At Idaho Custom Lifts & Elevators, our focus is to make elevator service predictable: scheduled maintenance, fast troubleshooting, and straightforward recordkeeping—so your elevator is ready when your building needs it.

Why commercial elevator maintenance is different from “basic service calls”

A single service call can get you running again, but it doesn’t address the root causes that lead to repeat outages: worn door components, contamination in hydraulic systems, inconsistent landing accuracy, aging controls, and code-required testing intervals.

A preventative plan typically includes:

  • Scheduled preventative maintenance (PM) visits with documented checks
  • Condition-based repairs before failures (doors, rollers, interlocks, contacts, controllers)
  • Required tests/inspections and audit-ready records
  • Operational support that helps your staff respond correctly when a problem appears
If you manage multiple assets—commercial elevators, LULA elevators, wheelchair platform lifts, freight lifts, or dumbwaiters—standardizing this approach across the portfolio is one of the fastest ways to reduce disruption.

A simple commercial elevator service plan (what to schedule, what to document)

Here’s a practical framework that works well for many Boise-area facilities. Your actual schedule depends on elevator type (hydraulic vs traction), usage, environment, and building operations, but this outline creates a dependable baseline.
Frequency What’s typically addressed What you should keep on file
Daily/Weekly (building staff) Visual ride quality notes, door behavior, unusual noise/smell, floor leveling accuracy, call button issues, cleanliness around entrances. A simple log: date/time, symptoms, floor, photos if needed, who reported it.
Monthly/Quarterly (service provider) Door operator checks/adjustments, safety edges, rollers, interlocks, lubrication where applicable, basic controller review, ride/leveling checks, pit and car top housekeeping, lighting and emergency communication checks. PM checklist/service ticket, parts replaced, callbacks summary, and recommended repairs with priorities.
Annually (testing + documentation) Deeper functional checks, safety device verification per applicable code, and a review of shutdown/lockout procedures with building contacts. Annual service summary, test paperwork, and an updated asset profile (controller type, door operator type, known obsolescence risks).
Every 5 years (as required/needed) A more comprehensive inspection/testing interval is common in elevator safety programs, including periodic inspection cycles and certain full-load safety tests depending on equipment and code requirements. Test documentation and sign-offs, plus a plan for any corrective work that’s identified during the inspection cycle.
Note on Idaho inspection cycles: Idaho’s elevator safety statutes and program guidance reference a periodic inspection cycle (commonly referenced as every five years) as part of the state’s oversight, along with operating certificates/fees. Always confirm your specific conveyance category and schedule with your service provider and the Authority Having Jurisdiction (AHJ).

High-impact problem areas (and what good service looks like)

1) Doors and door operators
Most elevator callbacks involve doors: hang-ups, re-open issues, nudging, or mis-leveling that prevents a clean threshold. Proactive service targets rollers, tracks, gibs, interlocks, and operator adjustments—before nuisance faults become downtime.
2) Leveling and ride quality
“It feels off” is a real warning sign. Leveling accuracy affects trip hazards, ADA accessibility, and tenant perception. A strong maintenance plan includes repeatable leveling checks and clear documentation when conditions are trending worse over time.
3) Controls and reliability (including modernization strategy)
If you’re dealing with intermittent faults, long parts lead times, or frequent resets, it may be time for a controls assessment. Modern non-proprietary options and controller upgrades can improve diagnostics and reduce single-source dependency over the long term.
4) Communication and response planning
Your service provider should help you define who calls, what to say, and what information speeds up troubleshooting (error codes, floor location, observed door behavior, and whether passengers are affected).

Boise & Treasure Valley considerations: weather, growth, and building mix

Boise’s mix of medical, multi-tenant, hospitality, and light industrial spaces means elevator duty cycles vary widely. A few local realities to plan around:

  • Seasonal temperature swings can change door behavior and component tolerances—especially in vestibules and exterior-adjacent landings.
  • Construction and tenant improvements often introduce dust and debris that accelerates door and sill wear if housekeeping and protection aren’t managed.
  • Higher traffic periods (events, school schedules, peak business hours) should influence when maintenance is scheduled to minimize disruption.
For property managers, the goal is to align maintenance visits and testing with building operations, then keep records organized so audits and renewals don’t become last-minute emergencies.

When to consider modernization instead of “another repair”

Repairs are normal, but repeated failures can be a sign that your building needs a modernization plan. Consider a targeted assessment if you’re seeing:

  • Recurring door faults or high callback frequency
  • Long lead times or discontinued parts for controllers/operators
  • Inconsistent leveling that returns after adjustment
  • Frequent nuisance shutdowns that affect tenants
Modernization doesn’t always mean a full replacement. Many Boise commercial properties benefit from a phased approach—starting with controls (such as a controller upgrade), door equipment, or specific safety-related components.
Learn more about commercial-focused options here: commercial elevator solutions and Smartrise elevator controller upgrades.

Schedule commercial elevator service in Boise

If you manage a commercial building in Boise or the Treasure Valley and want a clearer maintenance plan—inspection readiness, preventative maintenance, troubleshooting support, and long-term reliability—Idaho Custom Lifts & Elevators can help.

FAQ: Commercial elevator service (Boise, ID)

How often should a commercial elevator be serviced?
It depends on elevator type and usage. Many commercial units benefit from monthly or quarterly preventative maintenance, with additional testing/inspection milestones scheduled as required. High-traffic buildings typically need more frequent attention than low-use facilities.
What’s the difference between maintenance and inspection?
Maintenance focuses on keeping equipment operating safely and reliably (adjustments, lubrication where applicable, repairs, and replacements). An inspection is a formal evaluation against code requirements and is typically tied to specific documentation and authority oversight.
Why do elevator doors cause so many problems?
Doors have many moving parts and safety circuits, and they cycle constantly. Minor misalignment, worn rollers, or debris in sills can create faults. Strong preventative maintenance targets door systems because they are a common source of downtime.
What should building staff do before calling for service?
Record what happened (time, floor, symptoms), note any error messages, and confirm whether passengers are impacted. Avoid resetting power unless your site procedures and safety rules allow it. Clear details reduce troubleshooting time.
Do you service more than just commercial passenger elevators?
Yes. Idaho Custom Lifts & Elevators supports a wide range of accessibility and vertical-transport equipment, including LULA elevators, wheelchair platform lifts, freight lifts, and dumbwaiters—along with design, installation, and ongoing maintenance. Helpful pages: LULA elevators, freight lifts, and commercial dumbwaiters.

Glossary (commercial elevator & accessibility terms)

Preventative Maintenance (PM)
Scheduled service visits intended to reduce breakdowns by inspecting, adjusting, and replacing wear items before failure.
LULA Elevator
“Limited Use/Limited Application” elevator designed for specific low-rise applications where an accessible route is needed.
Door Interlock
A safety device that helps ensure hoistway doors are locked when the car is not present, preventing unsafe access.
Controller
The “brain” of the elevator system that manages movement, door operation logic, safety circuits, and diagnostics.
Modernization
Upgrading key components (controls, doors, fixtures, safety devices, or drive equipment) to improve reliability, parts availability, and performance.
Want help building a site-specific maintenance plan? Start here: contact Idaho Custom Lifts & Elevators.

Wheelchair Lift Maintenance in Nampa, Idaho: A Practical Plan for Safer, More Reliable Access

Keep your platform lift dependable, compliant, and ready when someone needs it

A wheelchair platform lift is more than a convenience—it’s a piece of regulated safety equipment that people rely on for daily access. For property managers in the Treasure Valley and homeowners planning to age in place, a clear maintenance routine reduces downtime, protects users, and helps prevent the “it worked yesterday” surprises that often show up at the worst possible time. This guide explains what a smart maintenance program looks like, what you can check in-house, and when it’s time to call a licensed lift professional.

At Idaho Custom Lifts & Elevators, we support residential and commercial platform lifts across Nampa, Boise, and the greater Treasure Valley—helping customers protect their equipment investment with service that prioritizes safety, code awareness, and long-term reliability.

Best for
Homeowners improving accessibility, and facility teams maintaining ADA-related access routes.
What this covers
Routine checks, cleaning, common wear points, documentation, and service call triggers.
What it avoids
DIY adjustments that can create safety risks, void warranties, or complicate inspections.

Why wheelchair lift maintenance matters (beyond “keeping it running”)

Platform lifts are commonly governed by safety standards that address inspection, testing, maintenance, and repair—not just installation. ASME A18.1 is a primary safety standard used for platform lifts and stairway chairlifts, and it’s often referenced in how jurisdictions approach ongoing care. (asme.org)

Practically, maintenance helps you:

Reduce unplanned downtime: Small issues (dirty tracks, loose fasteners, worn switches) often show up as intermittent faults first.
Protect users and caregivers: Smooth starts/stops, reliable gates, and responsive safety circuits matter every trip.
Support accessibility goals: If the lift is part of an accessible route, reliability affects real-world access—especially in public-facing buildings.
Preserve equipment life: Preventative maintenance is widely emphasized by manufacturers and mobility-lift experts for safer, longer-lasting performance. (braunability.com)

A clear maintenance schedule: what to check and how often

Your exact checklist should follow the manufacturer’s instructions and match how heavily the lift is used. A simple “daily/weekly + monthly + professional service” rhythm works well for both homeowners and commercial sites. Many practical guides emphasize frequent visual checks for damage, looseness, or unusual operation. (retirementliving.com)

Daily or weekly (owner/operator checks)

Listen and feel: New noises, shuddering, hesitation, or jerky starts/stops are early warning signs.
Visual scan: Look for loose fasteners, damaged guards, bent gate hardware, cracked covers, or fluid leaks (if applicable). (retirementliving.com)
Test basic safety features: Confirm gates/doors close securely and the lift operates as intended with normal controls.
Keep the area clear: Remove debris near the travel path and landings (a common cause of nuisance stops).

Monthly (light cleaning + documentation)

Clean contact surfaces: Wipe down platform, gates, call/send stations, and landing areas. Avoid harsh chemicals that can damage labels or plastics.
Check signage and instructions: Operating instructions and capacity labels should remain readable (especially for public-facing lifts).
Log performance: Record any faults, resets, service calls, or changes in operation—this helps technicians diagnose faster.
Confirm emergency planning: Know who to call, where the disconnect is (if applicable), and how to secure the area if the lift is out of service.

Quarterly or semiannual (recommended for many commercial sites)

Higher-use commercial lifts, lifts exposed to weather, or lifts serving critical access routes often benefit from more frequent professional preventative maintenance. It’s also a smart move if your site has had repeated nuisance faults or inconsistent usage patterns.

Annual professional inspection/service (minimum baseline for most owners)

Plan for a licensed technician to complete a thorough annual service that aligns with your equipment, site conditions, and jurisdictional expectations for testing and safety verification. ASME A18.1 explicitly addresses maintenance and related inspection/testing concepts for platform lifts. (asme.org)

Maintenance tasks that should stay in a professional’s hands

It’s normal to want to troubleshoot a lift the way you would a garage door or appliance. The difference: platform lifts have safety circuits, interlocks, and code-driven requirements that can be compromised by well-intended adjustments.

Electrical troubleshooting: fault codes, controllers, relays, limit devices, and wiring repairs.
Hydraulic/drive work: pump/motor components, valves, seals, and any pressure-related adjustments.
Gate/door interlocks and safety switches: alignment and verification that the lift behaves safely under all conditions.
Code-related testing: anything tied to required safety tests or formal documentation for inspections.

Quick “Did you know?” facts for Nampa property owners

Did you know? Platform lifts have specific accessibility design requirements (clear floor space, doors/gates, and related provisions) in ADA guidance, which is why keeping gates, controls, and landing areas in good condition is part of real-world accessibility—not just “nice to have.” (access-board.gov)
Did you know? Idaho’s elevator program provides rules and guidance and includes platform-lift related forms and resources—useful for owners trying to stay organized for inspections and recordkeeping. (dopl.idaho.gov)
Did you know? Under Idaho administrative rules, inspections have specific requirements, and reinspections can carry hourly fees—another reason to address issues early and keep documentation tidy. (law.cornell.edu)

Table: Common symptoms vs. what they often mean

What you notice What it can indicate What to do next
Intermittent stops or “dead” controls Gate not fully closed, safety switch issue, control fault Check for obvious obstructions; if recurring, schedule service
Jerky travel or new vibration Wear, alignment issue, debris in travel path, drive component concern Stop using if unsafe; book a professional inspection
Gate/door doesn’t latch consistently Misalignment, worn hardware, interlock problems Do not “force” it; schedule service
Unusual odor, heat, or repeated breaker trips Electrical issue or motor/controller problem Remove from service and call a technician promptly
Outdoor lift sluggish in winter or after storms Moisture intrusion, debris/ice in the path, weather exposure wear Increase cleaning frequency; consider weather-protection upgrades

A Nampa-specific angle: dust, weather swings, and usage patterns

In Nampa and throughout the Treasure Valley, we often see three real-world factors that shape maintenance needs:

Seasonal temperature changes: Components can behave differently as temperatures swing—especially on outdoor or semi-exposed installs.
Dust and debris: Landings near garages, warehouses, or busy entryways collect grit that can interfere with smooth operation.
“Quiet periods” then heavy use: Community spaces and some commercial buildings may see bursts of use (events, holidays). A pre-event check helps avoid last-minute failures.

If you manage multiple accessibility devices (platform lifts, stair lifts, elevators, dumbwaiters), consolidating service into a single maintenance calendar keeps your documentation cleaner and helps prevent missed intervals.

Related services that pair well with wheelchair lift maintenance

Residential wheelchair lifts

Ideal for entries, garages, and short vertical travel where a ramp isn’t practical. Keeping gates, call stations, and safety devices in top shape helps ensure everyday reliability.

Commercial wheelchair lifts

For schools, offices, churches, and public spaces, preventative maintenance can reduce disruptions and help support accessibility expectations for visitors and staff.

Maintenance support for multiple lift types

If your site also has elevators, dumbwaiters, or freight lifts, aligning service intervals can simplify planning and reduce total downtime across the building.

Schedule wheelchair lift maintenance in Nampa

If your lift is running inconsistently, due for routine service, or you want a proactive maintenance plan for a residential or commercial platform lift, we can help. We’ll focus on safe operation, clean documentation, and practical steps to reduce future downtime.

FAQ: Wheelchair lift maintenance

How often should a wheelchair platform lift be serviced?
Many owners plan on at least annual professional service, then add more frequent preventative maintenance if the lift is high-use, outdoors, or mission-critical for access. Always follow the manufacturer’s guidance and any local requirements.
What’s the biggest maintenance mistake you see?
Waiting until the lift stops working. Intermittent issues (stops, odd noises, inconsistent gate latching) are often the best time to schedule service—before a user is stranded or the lift must be taken out of service.
Can my staff “adjust” a gate or safety switch if it’s acting up?
Basic cleaning and keeping the area clear is fine, but adjustments to interlocks, switches, and safety circuits should be handled by qualified technicians. Small changes can create unsafe behavior or trigger recurring faults.
What records should I keep?
Keep a service log (dates, symptoms, repairs), any inspection paperwork, and notes about repeated faults. Good documentation helps shorten future troubleshooting and supports smoother inspections.
Do platform lifts have ADA-related requirements?
Yes—ADA guidance includes platform lift provisions such as clear floor space and door/gate considerations. If the lift supports an accessible route, reliability and proper function matter for real accessibility. (access-board.gov)

Glossary (helpful terms)

ASME A18.1
A safety standard addressing the design, installation, operation, inspection, testing, maintenance, and repair of platform lifts and stairway chairlifts. (asme.org)
Interlock
A safety device that helps ensure a gate/door is properly closed (and conditions are safe) before the lift will run.
Preventative maintenance (PM)
Scheduled service intended to reduce failures and improve reliability—often emphasized as key to safe wheelchair lift operation. (braunability.com)
Accessible route (ADA)
A continuous, unobstructed path connecting accessible elements in a facility; platform lifts may be permitted in specific situations and have detailed requirements. (access-board.gov)