Tag: boise idaho

Wheelchair Lift Maintenance in Boise, Idaho: A Code-Aware Plan for Safer, More Reliable Access

If a platform lift is part of your accessible route, maintenance isn’t optional—it’s how you protect people and reduce downtime.

Wheelchair lifts (often vertical platform lifts or inclined platform lifts) are mission-critical equipment for many Boise homes and facilities. A thoughtful maintenance routine helps keep riders safe, prevents “out of service” surprises, and supports compliance with the safety standard commonly used for platform lifts and stairway chairlifts (ASME A18.1). (access-board.gov)

At Idaho Custom Lifts & Elevators, we help homeowners and property managers across the Treasure Valley maintain dependable access with service plans built around real-world usage, local conditions, and code expectations.

What “wheelchair lift maintenance” usually means (and why the wording matters)

In local searches, “wheelchair lift” can describe a few different accessibility systems. The most common in buildings and at homes is a platform lift—either:

Vertical Platform Lift (VPL): A platform that travels straight up and down along a mast or within an enclosure.
Inclined Platform Lift: A platform that travels along the stair line.
Stair lift (chairlift): A seated device; not a wheelchair platform, but often grouped into the same “mobility lift” category.

These systems are widely associated with the ASME A18.1 safety standard, which addresses design, installation, operation, inspection, testing, and maintenance for platform lifts and stairway chairlifts. (access-board.gov)

Why maintenance protects more than just the equipment

A wheelchair platform lift is part of someone’s independence—and sometimes their only route into a home, office, sanctuary, or public space. Routine maintenance helps:

Reduce rider risk: Keeping interlocks, gates, emergency stops, and sensors operating correctly.
Improve reliability: Catching wear items early (rollers, switches, wiring, batteries, hydraulic components, etc.).
Support accessibility obligations: ADA guidance reminds owners that accessible features must be maintained in operable working condition, and also points to routine maintenance/inspections under ASME A18.1. (ada.gov)
Limit costly emergencies: Small adjustments during scheduled service can prevent major failures.

Quick “Did you know?” facts (maintenance + code reality)

ASME A18.1 is the key standard for platform lifts
It covers operation, inspection, testing, maintenance, and repair for platform lifts and stairway chairlifts. (access-board.gov)
Accessible features must be kept working
ADA resources emphasize maintaining accessibility features in operable condition. (ada.gov)
Idaho law ties inspections to ANSI/ASME standards
Idaho’s Elevator Safety Code Act references inspections performed in accordance with applicable ANSI/ASME standards. (law.justia.com)

A practical wheelchair lift maintenance schedule (owners + pros)

The right plan depends on lift type, usage frequency, and environment. Below is a clear maintenance framework that works well for many Boise-area homes and commercial properties.
Frequency Owner / Staff Checks (no tools) Service Technician Tasks
Weekly (or before heavy use) Ensure the travel path is clear; confirm doors/gates close fully; verify call buttons respond; check for unusual noises, rubbing, or slow movement; confirm the platform surface is clean and dry. Not typically needed unless you notice changes in operation.
Monthly Test the emergency stop (per manufacturer guidance); check that signage/operating instructions are present and readable; report any intermittent faults early (they rarely fix themselves). If your lift is safety-critical (public use, school, healthcare, assembly), consider more frequent professional checks aligned with the equipment type and applicable standard. (access-board.gov)
Quarterly (common for many sites) Review the service log: dates, issues found, repairs completed. Keep documentation accessible for inspections and audits. Inspect safety circuits and interlocks; adjust gates/landing locks; check rollers and guide components; inspect wiring; verify proper leveling and smooth travel; check limit switches and final limits; clean and secure controller areas as appropriate.
Annually Budget for proactive replacement parts (batteries, worn switches, rollers) rather than waiting for a breakdown. Perform a comprehensive inspection and operational check; confirm emergency lowering/backup systems; inspect drive components (hydraulic or screw/chain depending on design); evaluate door/gate hardware wear; verify code-required features per the applicable standard. (access-board.gov)
Important: Always follow the lift manufacturer’s maintenance instructions. If a checklist conflicts with your specific equipment manual, the manual and applicable code path should win.

Step-by-step: what to do when your lift starts acting “off”

1) Stop using the lift if operation seems unsafe

If you notice jolting, grinding, a gate that won’t latch, inconsistent stopping, or repeated faulting, take it out of service and notify your service provider. Accessibility equipment should be predictable—anything else is a risk.

2) Check the basics (no disassembly)

Confirm power is on, the travel path is clear, gates/doors are fully closed, and any key switches are in the correct position. Many “it won’t run” calls are caused by a door/gate interlock that isn’t fully engaged.

3) Document what happened

Write down the exact symptom, whether it’s repeatable, the landing where it occurs, and any error indicators. That detail speeds up troubleshooting and reduces downtime.

4) Schedule professional service before the problem becomes a shutdown

Intermittent issues often point to switch alignment, wiring fatigue, worn rollers, or control problems. Addressing them early can prevent a full lockout at the worst possible time.

Boise + Treasure Valley considerations (local angle)

Boise-area conditions can shape how often you should service a wheelchair lift:

Dust and debris: Summer dust, nearby construction, and landscaping can work its way into moving parts and door/gate hardware—especially for exterior installations.
Temperature swings: Cold snaps and summer heat can affect lubricants, batteries, and outdoor components, making seasonal checkups especially valuable.
Moisture and winter traction: Snow melt and de-icing products can increase corrosion risk on exterior lifts and create slip hazards on platforms and landings.
Inspection readiness: Idaho regulations reference inspection and test expectations tied to ANSI/ASME standards, so keeping a clear service log and correcting deficiencies promptly helps your next inspection go smoother. (law.justia.com)
Tip for property managers: If your lift serves the public, treat documentation like a safety device. A simple binder (or digital log) with service dates, issues found, repairs completed, and contact info reduces confusion during staff turnover and inspections.

Need wheelchair lift maintenance in Boise?

If your platform lift is due for routine service—or it’s showing early signs of wear—Idaho Custom Lifts & Elevators can help you build a maintenance plan that fits your lift type, usage, and site needs.

FAQ: Wheelchair lift maintenance

How often should a wheelchair platform lift be serviced?

Many lifts benefit from at least annual professional service, with quarterly service common for higher-use commercial locations. The best interval depends on lift type, usage, and environment, and should align with manufacturer requirements and the applicable safety standard used for platform lifts (commonly ASME A18.1). (access-board.gov)

What are the most common causes of wheelchair lift downtime?

The frequent culprits are door/gate interlock issues, misaligned switches, worn rollers, control faults, and power problems (including batteries on certain systems). A proactive maintenance plan is designed to catch these before they become a shutdown.

Do ADA rules require maintenance?

ADA resources emphasize that accessible features must be maintained in operable working condition, and they reference routine maintenance and inspections under ASME A18.1 for platform lifts and stairway chairlifts. (ada.gov)

What should we keep on file for inspections or audits?

Keep a maintenance log with service dates, issues found, repairs completed, and the service company contact information. For regulated conveyances, Idaho requirements reference inspections performed in accordance with ANSI/ASME standards, and having clear records helps demonstrate responsible operation. (law.justia.com)

Is it okay to keep a platform lift locked and have staff operate it?

Platform lifts used as part of an accessible route are generally expected to allow independent use, and ADA Standards include requirements intended to support unassisted operation in many applications. If you’re considering keys/locks due to misuse concerns, it’s wise to review the specific site context with an accessibility professional and your lift provider. (ada.gov)

Glossary (quick definitions)

ASME A18.1
A widely used safety standard for platform lifts and stairway chairlifts that covers design, installation, operation, inspection, testing, maintenance, and repair. (access-board.gov)
Vertical Platform Lift (VPL)
A wheelchair platform that travels vertically between landings, commonly used for accessibility where a ramp is impractical.
Interlock (gate/door interlock)
A safety device that prevents lift movement unless gates/doors are properly closed and secured.
Accessible route
A continuous, unobstructed path that connects accessible elements and spaces. Platform lifts may be permitted in specific scenarios as part of providing access between levels. (access-board.gov)
Note: This page provides general education, not a substitute for your lift manufacturer’s documentation, local jurisdiction requirements, or a qualified technician’s evaluation.

Commercial Elevator Service in Boise, Idaho: What Building Owners Should Expect (and What Inspectors Look For)

A practical guide to safer, more reliable elevator operation—without surprise downtime

Commercial elevators are one of the most-used “invisible systems” in a building—until something goes wrong. For Boise-area property managers, churches, hospitality teams, medical offices, and multi-tenant facilities, a solid commercial elevator service plan protects safety, keeps tenants moving, and helps you stay ready for inspections. This guide explains what a quality service program covers, how periodic inspections fit into the picture, and how to build a maintenance rhythm that reduces call-backs and extends equipment life.

What “commercial elevator service” really means

Many people hear “service” and think it only means repair calls. In a well-run building, commercial elevator service includes three layers that work together:

1) Preventative maintenance (PM): Scheduled visits to clean, lubricate, adjust, and verify safety-related items before they cause shutdowns.
2) Troubleshooting & repairs: Correcting issues like door faults, leveling problems, controller errors, or worn components.
3) Inspection & testing readiness: Keeping documentation current and ensuring the elevator is in appropriate condition for required inspections and periodic tests.

In Idaho, elevator oversight is handled through the state’s elevator program (now under the Division of Occupational and Professional Licenses). Inspection requirements and reinspection fees are defined in rule and statute, so it’s smart to treat inspection readiness as part of your operational plan—not a last-minute scramble.

Local note for Boise: If you manage multiple sites across the Treasure Valley, align elevator PM visits with other building systems (fire/sprinkler, HVAC, access control). Coordinating schedules minimizes disruptions for tenants and helps your team document compliance more consistently.

Common service issues in commercial elevators (and what they usually indicate)

Some problems repeat across properties—not because the equipment is “bad,” but because elevators live hard lives. Here are frequent complaint categories and what a technician typically evaluates:
Door faults (won’t close, reverses, or nudges repeatedly): Often tied to worn rollers, misalignment, contaminated tracks/sills, weak operators, or issues with the safety edge/door protection. Door problems are among the most common causes of downtime.
Leveling or “trip hazards” at the landing: May indicate feedback/encoder issues, hydraulic valve drift, worn brake components, or control tuning that needs adjustment. These should be prioritized because they affect passenger safety.
Intermittent shutdowns: Common culprits include heat, power quality issues, loose connections, failing relays/contacts, or controller faults. Intermittent problems are where good service documentation makes a big difference—error codes, timestamps, and “what the building was doing” (peak traffic, construction dust, etc.) matter.
Noisy ride or vibration: May point to guide shoe wear, rail lubrication problems, roller/chain wear, or alignment issues. Addressing these early can reduce the “cascade effect” where one worn component accelerates wear elsewhere.

Did you know? Quick facts building managers should keep handy

• Platform lifts and stairway chairlifts are addressed under ASME A18.1, which covers design, installation, operation, inspection, testing, and maintenance for these devices.
• ADA rules for platform lifts focus on accessibility and user independence—ADA guidance notes that platform lifts must provide unassisted entry and exit, and that chairlifts are not a substitute where platform lifts are permitted.
• Inspection requirements in Idaho are established through state rules, and reinspections can carry hourly fees—another reason that pre-inspection checks and documentation help control costs.
• A “service call” isn’t a maintenance program. Emergency-only budgeting usually costs more long-term due to overtime dispatches, tenant impact, and accelerated wear.

Service plan comparison: what you get at each level

Plan Type Best For Typical Coverage What Often Gets Missed
Reactive (call-only) Low-use equipment or temporary situations Repairs when something fails Small issues that become shutdowns; inspection readiness; record-keeping consistency
Preventative maintenance Most Boise commercial properties Scheduled checks, adjustments, lubrication, minor corrections Capital planning for major components; modernization timing
Comprehensive / priority service High-traffic sites (medical, hospitality, multi-tenant) PM plus faster response targets; proactive part replacement strategies (varies by agreement) If scope isn’t defined clearly, owners may assume parts/labor are included when they’re not
Tip: Ask your provider to clarify what’s included vs. billable (after-hours labor, door parts, batteries, phone line issues, vandalism, callbacks caused by power events, etc.). Clear scope prevents misunderstandings.

Inspection readiness: what to do 30–60 days ahead

Periodic inspections go smoother when your team and your service provider are aligned. Consider a simple run-up process:

Confirm the equipment list (elevator, platform lift, dumbwaiter, freight lift) and where each unit is located on site.
Collect recent service tickets and note recurring faults—especially door and leveling issues.
Schedule a pre-inspection visit to address small items that can trigger a reinspection.
Verify access to machine rooms, hoistways, controllers, and keys—day-of delays can cost time and money.
Keep documentation organized (service logs, test records, and any prior corrections). Idaho’s rules outline inspection requirements and also address reinspection fees—being prepared helps reduce the chance of paying for extra time.
Where LULA and platform lifts fit: If your building uses a Limited Use/Limited Application (LULA) elevator or a wheelchair platform lift as part of an accessibility route, treat it like a mission-critical system. ADA guidance emphasizes usability and independence, and ASME standards govern safety expectations for lift equipment.

A Boise-focused approach: plan for growth, dust, and seasonal building cycles

Boise’s continued development means many facilities experience ongoing tenant improvements, construction traffic, and changing usage patterns. These conditions can affect elevator performance more than most people expect:

Construction dust and debris can accelerate door-track and sill issues—especially during remodels.
Higher traffic periods (events, school seasons, holiday retail) can expose marginal door operators or weak adjustments.
Power events and building electrical changes can trigger nuisance faults; coordination between your electrician and elevator technician can save time.
Multi-site management benefits from standard checklists, consistent lockbox/key control, and a single service point of contact.
Manager’s checklist: If tenants report “the elevator is acting up,” ask for (1) time of day, (2) floor, (3) symptom (door, leveling, noise, shutdown), and (4) whether it reset on its own. That information speeds diagnosis and reduces repeat visits.

Need commercial elevator service in Boise? Get a maintenance plan that matches your building.

Idaho Custom Lifts & Elevators provides professional commercial elevator service across Boise and the Treasure Valley—covering inspections & maintenance planning, troubleshooting, and long-term reliability support for elevators, LULA systems, platform lifts, freight lifts, and dumbwaiters.
Prefer to plan ahead? Ask about aligning preventative maintenance visits with your inspection calendar and peak occupancy periods.

Related Services (Boise & Treasure Valley)

Commercial Elevator Inspections & Maintenance

State-licensed inspections support, five-year testing coordination (as applicable), and customized preventative maintenance planning.
LULA Elevator Installation

Low-rise, accessibility-focused elevator solutions for churches, lodges, and commercial spaces.
Freight Lifts & Material Lifts

Heavy-duty lifting solutions for warehouses, back-of-house operations, and production environments.
Smartrise Elevator Controllers

Controller solutions for improved reliability and serviceability in residential and commercial applications.

FAQ: Commercial elevator service in Boise

How often should a commercial elevator be serviced?
It depends on usage, building type, and equipment. High-traffic elevators often benefit from monthly or bi-monthly preventative maintenance, while lower-traffic applications may follow a different schedule. The right interval is the one that prevents recurring faults and supports inspection readiness.
What causes the most commercial elevator downtime?
Doors are a frequent driver of outages—misalignment, worn parts, debris in sills, and operator issues. Intermittent electrical faults and leveling problems are also common, especially when maintenance is delayed.
Are LULA elevators and platform lifts inspected differently than standard commercial elevators?
They can fall under different standards and use-cases. Platform lifts and stairway chairlifts are addressed by ASME A18.1, while elevators commonly align with ASME A17.1/CSA B44 in many jurisdictions. Your service provider can confirm what applies to your specific equipment and site requirements.
What should we do if our elevator fails inspection?
Ask for the specific correction items, prioritize safety-related issues first, and schedule corrections promptly. In Idaho, rules outline inspection requirements and reinspections can have additional fees, so it’s worth treating pre-inspection checks as part of normal operations.
How can we reduce after-hours emergency calls?
Track recurring faults, keep door equipment clean, address “minor” leveling issues early, and ensure your maintenance frequency matches traffic levels. Also confirm that machine room access, keys, and contact lists are current—many delays are logistical, not technical.

Glossary (Commercial elevator & accessibility equipment)

Preventative Maintenance (PM): Scheduled service intended to prevent failures by checking wear items, making adjustments, and verifying safe operation.
Door Operator: The mechanism that opens and closes elevator doors. Door systems are a leading source of downtime when misaligned or worn.
Leveling: How accurately the elevator stops even with the landing (floor). Poor leveling can create a trip hazard.
LULA Elevator: “Limited Use/Limited Application” elevator—often used for low-rise, accessibility-focused applications where permitted by code and project conditions.
Platform Lift (Wheelchair Lift): A lift designed to move a user and mobility device between levels, commonly addressed under ASME A18.1 and subject to ADA requirements where applicable.
Controller: The “brain” of the elevator that manages motion, doors, safety circuits, and calls. Modern controllers can improve reliability and serviceability when properly supported.

Dumbwaiter Installation in Boise, Idaho: A Practical Guide for Homes & Commercial Buildings

Move more—carry less—without changing your floorplan

A dumbwaiter is one of those upgrades you appreciate every single day: groceries from the garage to the kitchen, laundry to the bedroom level, catering trays to a banquet mezzanine, or supplies to a back-of-house prep area. For Boise homeowners and property managers, the best dumbwaiter installations are the ones you stop thinking about—quiet, reliable, and built with the right safety features, clearances, and finishes for the space.

What a dumbwaiter is (and what it isn’t)

A dumbwaiter is a small freight-style lift designed to move goods—not people—between floors. You’ll see them in multi-level homes, restaurants, medical offices, wineries, event venues, and anywhere staff are repeatedly carrying items up and down stairs.

Common Boise use-cases:

• Homes: groceries, laundry baskets, small appliances, pantry items
• Commercial: food service trays, dish racks, retail stock, office supplies
• Specialty: archive boxes, linens, small equipment, staged event items

If your goal is moving people (wheelchair access, aging-in-place mobility, or ADA compliance), you’re looking at a platform lift, LULA elevator, or a full passenger elevator—not a dumbwaiter.

Residential vs. commercial dumbwaiters: key differences that affect design

The biggest “surprise” during dumbwaiter planning is how quickly the requirements change based on where it’s installed and how it will be used. A system built for occasional home use can look very different from a stainless, high-cycle unit in a commercial kitchen.

Feature Residential dumbwaiter Commercial dumbwaiter
Typical load range Often sized for baskets, groceries, laundry Often designed for higher frequency and heavier items
Materials & finishes Painted or upgraded finishes to match the home Commonly stainless interiors for hygiene and durability
Door/landing considerations Focused on clean trim, quiet operation, kid-safe use Focused on back-of-house workflow and rapid cycles
Maintenance intensity Regular service is still important, but usage is lower Higher-cycle use can mean tighter service intervals

Boise planning note: if your building’s use changes (for example, a home becomes a short-term rental or a private club space expands food service), it can change what specs and inspection expectations make the most sense.

Codes, permits, and safety: what to expect in Idaho

Dumbwaiters fall under recognized elevator/conveyance safety standards used across North America. The widely referenced safety code family is ASME A17.1 / CSA B44, which addresses elevators and related conveyances, including dumbwaiters. (asme.org)

Idaho also has administrative rules that govern elevator and conveyance inspections and related requirements. (adminrules.idaho.gov)

Practical takeaway for Boise owners/managers:

Plan for a permitting/inspection path, and treat the dumbwaiter like the “mini machine” it is: proper hoistway construction, correct door/landing protection, safe controls, and a service plan after it’s installed. A good installer will coordinate around your project schedule—new build, remodel, tenant improvement, or equipment replacement—so you don’t get stuck reworking framing or finishes late in the job.

What drives dumbwaiter installation cost in Boise?

Pricing varies widely because the scope varies. Industry cost guides commonly show residential dumbwaiter installs landing in the roughly five-figure range, while commercial systems can run significantly higher depending on capacity, finishes, and duty cycle. (homeguide.com)

Cost factors that matter most

• Number of stops (2-floor run vs. 3–4 stops)
• Travel distance and how clean the vertical path is (straight shot vs. offsets)
• Car size and capacity (bigger isn’t always better—right-sizing helps)
• Door style and how you want each landing to look (trim, cabinetry integration)
• Electrical and controls (dedicated circuit, controller location, upgrades)
• Construction scope (new hoistway vs. retrofit into existing closets/pantries)
• Commercial finishes (stainless interiors, heavier-duty components, higher-cycle needs)

If you’re comparing quotes, ask what’s included beyond the equipment itself: hoistway work, doors/landing interfaces, electrical, permits/coordination, and post-installation testing/adjustments.

A step-by-step plan for a smooth dumbwaiter install

1) Define the “job” the dumbwaiter needs to do

Make a quick list of what you’ll carry most: grocery bags, laundry hampers, dish racks, or boxes. This determines ideal car size, capacity, and door configuration—without overspending on unused capacity.

2) Choose the best vertical path (even if it’s not the “obvious” one)

In Boise retrofits, the cleanest option is often stacking closets, a pantry-to-laundry alignment, or a garage-to-kitchen corner. A straight, unobstructed path can reduce construction and improve long-term serviceability.

3) Plan door locations to protect workflow (and fingers)

Door placement isn’t just aesthetics. In homes, you want safe, intuitive loading height and a landing location that doesn’t block traffic. In commercial spaces, you want “hands-off” workflow—load, send, and keep the line moving.

4) Confirm electrical and controller placement early

The controller and disconnect location impacts future troubleshooting and service time. The best installs keep service access practical while staying neat and out of sight.

5) Put maintenance on the calendar, not in the “someday” pile

Dumbwaiters are mechanical systems with moving parts, doors, switches, and controls. A simple preventative maintenance routine helps avoid nuisance shutdowns and helps keep operation safe and consistent—especially for commercial, high-cycle use.

Did you know? Quick dumbwaiter facts

• Dumbwaiters are typically designed for goods only, not passengers—choosing the right equipment type matters for safety and compliance.
• The same ASME A17 family of safety standards that influences elevators also covers related conveyances, including dumbwaiters. (asme.org)
• Cost varies most with stops, travel, capacity, and construction scope—not just the equipment brand. (homeguide.com)

Boise-specific planning tips (retrofits, weather, and building styles)

Boise has a wide mix of housing and commercial stock—from North End remodels and foothills custom builds to downtown mixed-use and light industrial spaces in the Treasure Valley. That variety changes how dumbwaiters get installed.

Older homes: Expect more discovery work (framing alignment, routing, electrical upgrades) before the final plan is locked in.
Modern homes: Great candidates for “planned chases” and clean trim integration—especially when paired with other accessibility upgrades.
Commercial properties: Back-of-house paths, sanitation expectations, and service access matter just as much as car size and speed.

If you’re already considering a broader accessibility plan (elevator, LULA, platform lift, stair lift), it’s smart to coordinate them as one project. That keeps framing, electrical, and inspections moving in the same direction.

Related Boise services from Idaho Custom Lifts & Elevators:

Schedule a dumbwaiter installation consultation in Boise

Whether you’re adding a dumbwaiter to a new build or retrofitting an existing home or facility, Idaho Custom Lifts & Elevators can help you choose the right layout, capacity, doors, and finish—then support the system with professional service after installation.

Request a Quote / Site Visit

Prefer to browse first? Visit our service & support page.

FAQ: Dumbwaiter installation in Boise

Do I need a permit to install a dumbwaiter in Boise?

Many projects do involve permitting and an inspection process because dumbwaiters are regulated conveyances. The exact path depends on the property type and scope (new build vs. remodel). A qualified local elevator company can help coordinate requirements and timing. (adminrules.idaho.gov)

How much does a dumbwaiter cost in 2026?

Cost depends on stops, travel distance, capacity, and how much construction is required. National cost guides often place many residential installations in the five-figure range and commercial systems higher, especially with stainless finishes and heavier-duty requirements. (homeguide.com)

Can a dumbwaiter be added to an existing home?

Yes—many Boise installations are retrofits. The key is finding a vertical path (often closets/pantry/laundry alignments) that minimizes structural changes while still allowing safe doors, clearances, and service access.

Is a dumbwaiter the same as a small elevator?

No. Dumbwaiters are intended for goods only. If you need to move people or provide accessibility, you’ll want a wheelchair platform lift, a LULA elevator, or a passenger elevator designed and installed for that purpose.

How often should a dumbwaiter be serviced?

Service frequency depends on usage and environment. A lightly used residential dumbwaiter may need less frequent attention than a commercial unit that runs continuously during meal service. Your installer can recommend a schedule based on cycle count, load type, and the equipment configuration.

Glossary (plain-English terms)

Hoistway
The framed vertical “shaft” the dumbwaiter travels in.
Landing
A floor-level stop where you load/unload the dumbwaiter.
Controller
The electrical “brain” that manages movement, door/landing inputs, and safety circuits.
Capacity
The maximum load the dumbwaiter is designed to carry safely (measured in pounds).
ASME A17.1 / CSA B44
A widely recognized safety code family used across North America for elevators and related conveyances, including dumbwaiters. (asme.org)