Category: Commercial Services

Custom Lifts for Idaho Homes & Businesses: Choosing the Right Elevator, Stair Lift, or Platform Lift in Nampa

Accessibility that fits your building—without forcing a “one-size-fits-all” solution

In Nampa and across the Treasure Valley, property owners are planning for long-term comfort, safer daily movement, and code-aligned accessibility. “Custom lifts” can mean several different systems—home elevators, LULA elevators, wheelchair platform lifts, stair lifts, dumbwaiters, and freight/material lifts—each designed for a specific purpose, travel height, and user need. This guide breaks down how to choose the right option, what to expect during installation, and how to protect reliability with proper service and inspections.

What “custom lifts” really means (and why it matters)

The best lift is the one that matches your building’s structure, the people who will use it, and the codes that apply to the site. A lift that’s perfect for a split-level home may be the wrong tool for a church, medical office, restaurant, or warehouse. When you choose a system that’s aligned with the use case, you typically gain:

Better day-to-day safety (stable landings, consistent operation, proper clearances)
Fewer service interruptions (the equipment is not being pushed beyond its intended duty cycle)
More predictable compliance (especially for commercial/public-facing spaces)
Cleaner design integration (cab finishes, gates/doors, placement, and controls)

Start with the “why”: the 5 questions that narrow down the right lift

Before picking a model or footprint, it helps to clarify five practical questions:

1) Who is the primary user? (aging-in-place homeowner, wheelchair user, staff moving inventory, public customers)
2) What is being moved? (people, wheelchairs, packages, food trays, laundry, materials)
3) How far does it need to travel? (a few steps/porch rise vs. one or more floors)
4) Is the site residential or commercial/public? (code requirements and inspection expectations differ)
5) What constraints exist? (tight stairways, limited shaft space, power supply, door swing, outdoor exposure)

Once you can answer those questions, it becomes much easier to compare a residential elevator vs. a stair lift vs. a wheelchair platform lift—or determine whether a LULA elevator is the most practical way to add accessibility in a low-rise commercial building.

Did you know?

ADA maintenance matters: Federal guidance emphasizes that accessible features must be maintained in operable working condition—extended failures can create compliance risk in public-facing spaces. (ada.gov)
LULA elevators are recognized in ADA standards: The ADA standards include a section for Limited-Use/Limited-Application (LULA) elevators and reference ASME A17.1 for safety requirements. (ada.gov)
Safety codes are the backbone: ASME A17.1 is widely used across North America for elevator design, installation, operation, inspection, maintenance, and repair. (asme.org)

Custom lift options: what each system is best at

Residential elevators (home elevators)

A home elevator is typically the “whole-home” solution when stairs are becoming a barrier or when you want long-term convenience (groceries, laundry, luggage). It’s also a strong fit for multi-level homes where a stair lift wouldn’t serve all users comfortably (or where the staircase geometry limits options).

Learn more about installation planning and options on our Boise residential elevator installation page.

LULA elevators (Limited Use / Limited Application)

In many low-rise commercial settings—lodges, churches, small offices, community buildings—a LULA elevator can be an efficient path to accessibility. The ADA standards specifically address LULA elevators and point back to ASME A17.1 for the elevator safety framework. (ada.gov)

Wheelchair platform lifts (vertical platform lifts)

Platform lifts are often the right call for shorter travel distances—such as stage access, short floor-to-floor rises, or entry/porch applications—when a full elevator isn’t necessary or feasible. Many platform lift installations are guided by ASME A18.1 (a safety standard covering platform lifts and stairway chairlifts). (intertek.com)

Compare options on our wheelchair lifts page, or explore commercial wheelchair lift solutions.

Stair lifts (stair chairs)

Stair lifts can be an excellent, fast-to-install solution when walking stairs is difficult but the user can transfer safely to a seat. They’re especially popular for aging-in-place projects in Nampa homes with straight runs (and many curved staircases can be accommodated with the right design).

Visit residential stair lift installation for planning considerations.

Dumbwaiters (residential & commercial)

Dumbwaiters move goods—not people. Homeowners often use them for groceries or laundry between floors. Restaurants, offices, and hospitality spaces may use commercial dumbwaiters to reduce staff strain and streamline back-of-house flow.

Freight / material lifts

For warehouses, shops, and facilities moving heavy loads, freight lifts focus on durability, capacity, and workflow. If your team is pushing carts up ramps or struggling with repeated manual handling, a freight lift can reduce damage risk and improve operational efficiency.

How to plan a custom lift project (practical step-by-step)

Step 1: Identify the “must-haves” vs. “nice-to-haves”

Must-haves could include wheelchair access, specific door widths, or a certain travel height. Nice-to-haves might include upgraded cab finishes, a specific control style, or extra stops.

Step 2: Confirm the building constraints early

Shaft/hoistway space, pit and overhead requirements, power, and door swing clearances can determine which equipment category is realistic. Early layout validation prevents mid-project change orders.

Step 3: Align the project with applicable codes and use

Commercial and public-facing spaces often have additional accessibility and inspection expectations. ADA standards call out elevator requirements (including LULA) and stress maintaining accessible features in operable working condition. (ada.gov)

Step 4: Plan for long-term service, not just install day

Reliability is a lifecycle decision. A strong maintenance plan helps reduce downtime, protects parts, and supports safer operation. If you manage a commercial property, plan your service relationship at the same time you plan your equipment.

Quick comparison: which lift matches which need?

System Best for Typical settings Key planning note
Residential elevator Multi-floor home access + daily convenience Homes, aging-in-place remodels, new builds Space planning (shaft, doors, controls) early in design
LULA elevator Low-rise accessibility in public/commercial buildings Churches, lodges, small offices, community spaces Often tied to ADA expectations; design around traffic flow (ada.gov)
Wheelchair platform lift Short rises where an elevator is unnecessary Entries, stages, split-level transitions Confirm travel distance and site exposure (indoor/outdoor) (intertek.com)
Stair lift Stair access for users who can transfer to a seat Homes with limited space for a shaft Stair geometry matters; plan parking and transfer space
Dumbwaiter Moving goods (not passengers) between floors Homes, restaurants, offices Plan drop-off points to reduce carrying and spills
Freight/material lift Heavy loads + operational workflow Warehouses, shops, back-of-house areas Capacity and duty cycle drive design and maintenance planning

Nampa & Treasure Valley notes: inspections, uptime, and property planning

In the Treasure Valley, lift uptime is more than convenience—especially for commercial buildings that serve the public. A practical way to reduce surprises is to treat service, documentation, and inspections as part of the building’s routine operations.

Budget for maintenance as a predictable operating expense (not an emergency line item).
Keep records accessible for inspections and service calls—organized logs can speed troubleshooting.
Plan ahead for scheduled inspections so you’re not forced into rushed repairs at the worst time.
If you’re managing a business or multi-tenant facility, review our commercial elevator service and inspection support options, or learn more about our full elevator sales, support, and service.

Talk with a local lift team about your space

Whether you’re planning a home elevator in Nampa, adding a wheelchair platform lift, or managing a commercial elevator that needs dependable maintenance, Idaho Custom Lifts & Elevators can help you sort options, constraints, and next steps—without guesswork.

FAQ: Custom lifts, elevators, and accessibility equipment

Is a stair lift “better” than a home elevator?

It depends on the user and the home. Stair lifts can be ideal when the primary need is seated stair travel and there’s limited space for a shaft. A home elevator is often better for multi-floor access, carrying items, and long-term accessibility planning—especially when wheelchair access is needed.

What’s the difference between a LULA elevator and a commercial passenger elevator?

LULA elevators are typically used for limited-use, low-rise applications and are commonly selected for accessibility upgrades in smaller commercial buildings. ADA standards include requirements specific to LULA elevators and reference ASME A17.1 for safety code alignment. (ada.gov)

Do platform lifts have a different code than elevators?

Many platform lifts are governed by ASME A18.1, which addresses platform lifts and stairway chairlifts as a separate category from the main elevator code. (intertek.com)

How can a business reduce elevator downtime?

A proactive service plan helps: schedule preventive maintenance, address small issues quickly (door performance and communication devices are common culprits), and keep onsite maintenance and inspection documentation organized. ADA guidance also stresses maintaining accessible features in operable working condition. (ada.gov)

Can you help with controllers and modernization?

Yes—controllers and electrical components can be a major driver of reliability. If you’re planning upgrades, see our Smartrise elevator controller service page and talk with our team about what’s appropriate for your equipment and usage.

Glossary (quick definitions)

ASME A17.1: A widely used safety code covering elevators and related conveyances, including guidance for design, installation, operation, inspection, maintenance, alteration, and repair. (asme.org)
ASME A18.1: A safety standard that covers platform lifts and stairway chairlifts (commonly referenced for wheelchair platform lifts and similar equipment). (intertek.com)
LULA elevator: Limited-Use/Limited-Application elevator—often used in low-rise buildings for accessibility; addressed within ADA standards and tied to ASME A17.1 for safety. (ada.gov)
Platform lift (wheelchair lift): A lift designed to move a wheelchair user between levels over shorter travel distances than a typical elevator.
Controller: The “brains” of a lift/elevator system that manages movement, door operation, stops, and safety circuits—often a key component in reliability and modernization planning.

Dumbwaiter Installation in Eagle, Idaho: What to Know Before You Build (Home & Commercial)

Move groceries, laundry, catering trays, and supplies—without hauling them up the stairs

A dumbwaiter is one of the most practical accessibility upgrades you can add to a home or business in the Treasure Valley. Whether you’re remodeling a multi-level home in Eagle, managing a restaurant or office, or planning a new build, a well-designed dumbwaiter reduces lifting, prevents falls on stairs, and keeps day-to-day routines smooth. This guide covers what a dumbwaiter is (and isn’t), how installation works, what inspections typically involve in Idaho, and how to plan for a system that stays reliable for years.

What a dumbwaiter is (and when it’s the right choice)

A dumbwaiter is a small, enclosed lift designed to carry materials—not people—between floors. In residential settings, it’s commonly used for groceries, laundry, luggage, and heavy kitchen items. In commercial spaces, dumbwaiters are often used for transporting food service supplies, files, retail inventory, or small equipment between levels.
A dumbwaiter is usually a great fit when:

• You routinely carry heavy items up/down stairs (risk of slips, strains, or falls).
• You want a discreet solution that doesn’t require the footprint of a passenger elevator.
• You’re planning for aging in place and want to reduce lifting—even if you don’t need a full home elevator yet.
• Your business needs faster “back-of-house” movement without staff traffic on stairs.
If your goal is moving people (including wheelchair access), you’ll typically be looking at a residential elevator, a wheelchair platform lift, or a LULA elevator depending on the application and code requirements.

Residential vs. commercial dumbwaiters: the practical differences

Residential dumbwaiters are typically optimized for quiet operation, tight spaces, and clean finishes. Commercial dumbwaiters often prioritize durability, throughput, and stainless or washable surfaces.
Feature Residential dumbwaiter Commercial dumbwaiter
Typical use Groceries, laundry, kitchen items Food service supplies, files, small inventory
Load ranges (common) Often around 100–300 lb capacity (varies by model) Often around 200–500 lb capacity (varies by model)
Finishes Painted, cabinetry-matched doors, discreet trims Stainless/washable options are common
Controls & access Simple call/send, keyed options if needed Often includes controls suited to higher use and restricted access
Code/inspection focus Safe hoistway, door interlocks, electrical compliance Same fundamentals, plus durability, traffic, and facility requirements
Note: dumbwaiters are covered under elevator safety code frameworks (ASME A17 series) as material-handling conveyances. (asme.org)

How dumbwaiter installation typically works (step-by-step)

Planning a dumbwaiter is mostly about getting the right path (hoistway), the right landings, and the right power and controls. Here’s a realistic installation flow for Eagle-area homes and businesses.

1) Site visit + use-case design

First, define what you’re moving (laundry baskets vs. catering bins), how many stops you need, where doors should open, and how visible (or hidden) you want the system to be. This is also where we confirm whether you can use an interior wall stack, a pantry corner, a garage-to-kitchen run, or a more custom shaft location.

2) Hoistway framing + landing prep

The hoistway is the vertical “chase” the cab travels through. For many remodels, framing is the longest part of the schedule. It must be square, properly supported, and coordinated with door openings at each landing so the doors align cleanly and safely.

3) Electrical + controller placement

Dumbwaiters need dedicated electrical planning for safe operation and service access. Controller location (and how it’s accessed later) matters—especially in finished homes where you don’t want future service to require drywall removal.

4) Equipment installation + safety checks

Once the shaft and power are ready, the lift equipment is installed, aligned, and tested. Door interlocks (to prevent operation when doors are open) and travel limits are verified, then the unit is run through a full operational test.

5) Inspection and approval (Idaho requirements)

Idaho regulates conveyances through the state Elevator Program. For permitted work, inspections typically require the installation be complete, safe, and functioning per design/code, with proper access to spaces involved in the inspection. (law.cornell.edu)

Design choices that make a dumbwaiter easier to live with

Two dumbwaiters can have the same capacity and still feel completely different day-to-day. These details are what separate a “nice idea” from a system you’ll use constantly.
Door style and placement: A pantry door at the kitchen level is popular for hiding the unit. In commercial spaces, stainless and high-durability doors may be a better long-term choice.
Cab size that matches your real loads: If your laundry baskets are wider than the cab, you’ll stop using it. Plan around your largest “typical” item.
Noise control: Hoistway finishing and mounting details affect vibration. Planning for quiet operation matters in open-concept homes.
Service access: Controllers and key components should be reachable without disturbing finished areas.
Safety-first operation: Interlocks, travel limits, and proper landing clearances are not optional—they’re what keeps the system safe and inspection-ready under established elevator safety code frameworks. (asme.org)

Maintenance: what keeps a dumbwaiter reliable

Dumbwaiters are simple compared to passenger elevators, but they still need routine attention—especially in commercial environments where cycles add up quickly.

Practical maintenance checklist

• Keep landings clear so doors close fully and safely.
• Don’t overload—repeated overloads cause premature wear and nuisance shutdowns.
• Report unusual noises early (grinding, thumping, new vibration).
• Schedule periodic professional service so safety devices and controls stay tuned.
If your building has multiple conveyances (elevators, platform lifts, or a dumbwaiter), consider a consolidated service plan so inspections and preventative maintenance stay organized.

Local angle: what Eagle and Treasure Valley properties should plan for

Eagle homes often blend finished basements, bonus rooms, and multi-level layouts—exactly the kind of floor-to-floor living that makes dumbwaiters convenient. A few local planning notes:
Remodel routing matters: In established neighborhoods, finding a clean vertical path can be the biggest puzzle. Pantry stacks, laundry chases, and garage-adjacent walls are common solutions.
Inspection readiness: Idaho’s Elevator Program outlines expectations for inspection access and completion status (clean access to spaces, installation complete and safe, systems functioning). Building your schedule around these realities reduces delays. (law.cornell.edu)
Commercial planning: If you manage a facility in the Boise/Eagle area, plan for stainless or easy-to-clean finishes where food or public-facing materials are involved, and ensure staff are trained to avoid overloading.
Ready to plan a dumbwaiter installation in Eagle, ID?
Idaho Custom Lifts & Elevators is a family-owned, full-service team that designs, installs, and services dumbwaiters and accessibility equipment across the Treasure Valley. Share your floor plan (or ideas), and we’ll help you map out a safe, code-aware solution that fits your space and daily routine.

FAQ: Dumbwaiter installation and ownership

Do dumbwaiters require inspection in Idaho?
Idaho regulates conveyances through its Elevator Program. Inspection processes emphasize access, a complete and safe installation, and functioning systems in line with design and adopted requirements. Your installer can help coordinate what’s needed for inspection readiness. (law.cornell.edu)
How many floors can a dumbwaiter serve?
Many dumbwaiters serve two stops (like garage-to-kitchen), but multi-stop configurations are possible depending on layout, travel distance, and design. The key is planning the hoistway path and door locations early so the system is clean, safe, and convenient at every landing.
Can a dumbwaiter be added to an existing home in Eagle?
Yes—many installations are retrofits. The feasibility usually comes down to finding a vertical chase location (or creating one) and coordinating framing, electrical, and landing finishes. A site visit is the fastest way to confirm the best route.
Is a dumbwaiter an ADA solution?
A dumbwaiter moves materials, not people, so it isn’t a substitute for ADA access between floors. If you need vertical access for passengers, consider a wheelchair platform lift or a LULA elevator depending on the building type and requirements.
What’s the most common dumbwaiter mistake?
Undersizing the cab. If the opening or cab dimensions don’t match real-world items (laundry baskets, cooler bags, catering pans), homeowners and staff stop using the system. Designing around your biggest “regular” load prevents regret.

Glossary (helpful terms)

Hoistway: The framed vertical shaft that the dumbwaiter travels within.
Landing: Each floor level where the dumbwaiter has a door/opening for loading and unloading.
Interlock: A safety device that helps prevent the unit from operating when a landing door is open.
Controller: The electrical “brain” that manages movement, stops, and safety circuits.
ASME A17 series: A family of elevator safety codes/standards that include requirements for elevators and material-handling conveyances such as dumbwaiters. (asme.org)

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

Keep your platform lift dependable—without guesswork

A wheelchair lift (often called a vertical platform lift or VPL) is a daily essential for many Meridian homes and facilities—schools, churches, offices, medical clinics, and multifamily properties. When it’s maintained correctly, it runs smoothly and predictably. When it’s neglected, it can become unreliable right when someone needs it most.

This guide shares a clear, Idaho-relevant maintenance plan you can follow to reduce downtime, support code compliance, and protect users—whether you manage a commercial site or you’re a homeowner planning to age in place.

Local note: In Idaho, the Elevator Program within the Division of Occupational and Professional Licenses (DOPL) administers conveyance registration/certification and inspections. Platform lifts are included in the program’s conveyance types, and there are fees and inspection processes that apply. (dopl.idaho.gov)

1) What “wheelchair lift maintenance” actually includes

Maintenance isn’t just “lubricate and go.” A platform lift is a life-safety accessibility device with electrical, mechanical, and safety interlock systems that need regular verification. In the U.S., platform lifts and stairway chairlifts are commonly built and maintained under the ASME A18.1 safety standard. (asme.org)

In practice, good maintenance typically covers:

Safety devices: gates/doors, interlocks, emergency stop, obstruction sensing, limit switches
Drive & motion components: pump/motor or screw drive parts, belts/chains (if applicable), rollers/guides
Electrical: call/send stations, wiring condition, controller behavior, battery backup or lowering systems
Runway/landings: landings clearances, condition of thresholds, guarding, and signage

2) A realistic maintenance cadence (home vs. commercial)

Your best schedule depends on usage, environment (dust, moisture, outdoor exposure), and whether the lift serves the public. A good baseline is:

Task Home / Private Use Commercial / Public Use
User visual check (cleanliness, odd noises, smooth travel) Weekly Daily or weekly (depending on traffic)
Basic cleaning (landings, thresholds, gate tracks) Monthly Weekly
Professional service visit (safety checks + adjustments) 1–2x per year (typical) 2–4x per year (typical)
Code-driven inspections / certifications As required by jurisdiction and use As required by Idaho DOPL program
Why this matters: the more a lift runs, the more small alignment issues (gate lock timing, limit switch drift, worn rollers, hydraulic seepage) turn into nuisance faults—or a safety shutdown.

3) The “owner/operator” checklist: what you can do (and what you shouldn’t)

Some lift care is safe for building staff or homeowners; other items should be left to trained lift/elevator personnel under applicable safety standards. ASME A18.1 addresses maintenance concepts and personnel definitions, and Idaho also has inspection requirements that presume safe access and a qualified technician presence for certain inspection conditions. (asme.org)

Safe for owner / staff Leave to a service professional
Keep landings and platform clear of clutter and debris
Wipe down non-slip surfaces (use manufacturer-approved cleaners)
Verify gates close fully and latch smoothly (no forcing)
Listen for new noises and log them with date/time		 Adjusting interlocks, limit switches, or gate alignment
Opening controllers, electrical troubleshooting, replacing fuses/relays
Hydraulic adjustments, pressure settings, or leak diagnosis inside equipment spaces
Any work requiring lockout/tagout or access to guarded areas
Pro tip for better service calls: Keep a simple “lift log” on-site: date, symptom, whether it happened going up or down, any error codes, and whether gates/doors were fully closed. That short log often saves troubleshooting time.

4) Common maintenance red flags (and what they usually point to)

When a platform lift starts acting “quirky,” the cause is often predictable. Here are symptoms property managers in Meridian see frequently:

Intermittent no-run condition: gate not fully latched, interlock misalignment, or a safety circuit interruption.
Slow travel / struggling up: low hydraulic fluid, worn components, low voltage, or drive wear (depends on lift type).
Jerky stops or leveling issues: adjustments needed, worn rollers/guides, or valve/control tuning.
Unusual squealing/grinding: debris in tracks, dry rollers, or mechanical wear that should be addressed before it escalates.
Downtime reducer: Many “service calls” are resolved by cleaning the landing area and ensuring gates close freely—without slamming or forcing. If a gate needs force, stop and schedule service; forcing can damage interlocks and worsen reliability.

5) Did you know? Quick facts that help you plan

ASME A18.1 is the widely used safety standard covering platform lifts and stairway chairlifts, including guidance for inspection, testing, maintenance, and repair. (asme.org)
Idaho’s Elevator Program publishes adopted codes and program updates, including a noted update effective July 1, 2025 for adopted codes information. (dopl.idaho.gov)
Idaho administrative rules include specific inspection-related requirements, such as safe access and debris-free machine rooms/spaces for an inspection to take place. (law.cornell.edu)

6) The Meridian, Idaho angle: weather, dust, and outdoor lifts

In the Treasure Valley, seasonal temperature swings and airborne dust can be tough on outdoor platform lifts and exposed landing equipment. If your lift is installed outside—or in a breezeway/garage transition area—maintenance needs to be a bit more intentional:

Keep water out: Ensure landing areas drain and that snow melt doesn’t pool near the base or threshold.
Keep debris out: Dust and grit can interfere with gate tracks, rollers, and sensors—basic cleaning prevents many nuisance faults.
Plan service before heavy-use seasons: For churches, event venues, and schools, schedule preventive service before peak attendance periods to reduce surprises.

If you manage multiple properties in Meridian or Boise, consider standardizing a simple monthly visual checklist across sites so issues get flagged early and documented consistently.

Schedule wheelchair lift maintenance in Meridian

If your platform lift has new noises, intermittent shutdowns, a sticky gate, or you simply want a preventive maintenance plan, Idaho Custom Lifts & Elevators can help you protect reliability and user safety.
Prefer to plan ahead? Ask about a recurring service schedule for residential and commercial wheelchair lifts.

FAQ: Wheelchair lift maintenance

How often should a wheelchair lift be serviced?
Many homeowners schedule professional service once or twice per year. For commercial/public-use lifts, a quarterly or semi-annual cadence is common. The best interval depends on usage, environment, and any jurisdictional requirements.
What’s the most common reason a platform lift won’t run?
Safety circuits—especially gates/doors not fully closed or an interlock that’s slightly out of adjustment—are frequent culprits. Cleaning the gate track and ensuring smooth closing can help, but adjustments should be performed by a qualified technician.
Do Idaho wheelchair lifts fall under state elevator oversight?
Idaho’s DOPL Elevator Program covers “conveyances” and includes platform lifts/material lifts/dumbwaiters in its program information and fee schedules. For specific applicability to your lift type and use, confirm with your service provider and the program resources. (dopl.idaho.gov)
What should we do before a scheduled inspection or service visit?
Make sure landings are clear, access to equipment spaces is unobstructed, and the area is free of dirt and debris. Idaho rules also describe conditions such as access and on-site technician presence for inspections. (law.cornell.edu)
Is a wheelchair lift the same as a LULA elevator?
Not exactly. A wheelchair platform lift is commonly governed under ASME A18.1. A LULA (Limited Use/Limited Application) is a different category of low-rise elevator used for accessibility in certain buildings. If you’re unsure which you have (or which you need), a site visit can clarify.
Can you maintain both residential and commercial wheelchair lifts?
Yes—Idaho Custom Lifts & Elevators provides installation, service, and maintenance for residential and commercial accessibility equipment across the Treasure Valley. For lift options, you can also review their wheelchair lift solutions.

Glossary (helpful lift terms)

VPL (Vertical Platform Lift): A wheelchair platform lift that travels vertically a limited distance to provide accessibility between levels.
Interlock: A safety switch/system that prevents lift movement unless gates/doors are closed and secured.
Limit switch: A device that tells the lift when it has reached the top/bottom of travel and helps prevent over-travel.
Preventive maintenance (PM): Scheduled service intended to find wear and minor issues early—before they cause shutdowns or unsafe conditions.
ASME A18.1: A safety standard commonly used for the design, installation, operation, inspection, testing, maintenance, and repair of platform lifts and stairway chairlifts. (asme.org)