القائمة
Elevator and escalator systems guidance for construction project managers coordinating vertical transportation installation.
التثبيت باستخدام Codex أو Claude انسخ هذا Prompt والصقه في Codex أو Claude أو مساعد آخر ليراجع صفحة Skill ويثبّتها لك.
استنادا إلى تصنيف SOC المهني
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| name | elevators-vertical-transportation |
| description | Elevator and escalator systems guidance for construction project managers coordinating vertical transportation installation. |
Quick reference for construction project managers and field supervisors managing elevator and escalator installations on commercial and institutional projects.
| Type | Speed | Rise | Best Application |
|---|---|---|---|
| Geared Traction | Up to 350 fpm | Unlimited | Low/mid-rise, moderate traffic |
| Gearless Traction | 500+ fpm | Unlimited | High-rise, high-speed, heavy traffic |
| MRL (Machine-Room-Less) | Up to 500 fpm | Low/mid-rise | Space savings, no machine room above |
| Hydraulic (Conventional) | 150-200 fpm | 60-70 ft | Low-rise, cost-effective |
| Hydraulic (Holeless) | 150-200 fpm | 40-50 ft | Low-rise, no ground penetration |
| LULA | 30 fpm | Per code | Accessibility, small buildings |
| Capacity | Platform Size (Typical) | Application |
|---|---|---|
| 2,500 lbs | 6'-8" x 4'-3" | Standard office passenger |
| 3,000 lbs | 6'-8" x 4'-5" | Office, retail |
| 3,500 lbs | 7'-0" x 5'-0" | Hospital, hotel |
| 4,000-4,500 lbs | 8'-4" x 5'-8" | Hospital bed elevator |
| 5,000+ lbs | Varies | Freight, service |
| Item | Verify | Responsible |
|---|---|---|
| Pit complete and waterproofed | Dimensions, drain, ladder, light | GC/Structural |
| Hoistway enclosed and fire-rated | Dimensions, plumb, brackets set | GC/Structural |
| Machine room ready | Dimensions, ventilation, power | GC/Electrical |
| Power available | Voltage, phase, amperage | Electrical |
| Fire alarm interface ready | Smoke detectors, recall circuits | Fire Alarm |
| Hoistway openings framed | Headers, dimensions, fire rating | GC |
| Requirement | Code Reference | Notes |
|---|---|---|
| Elevator safety | ASME A17.1 | Safety Code for Elevators |
| Inspection procedures | ASME A17.2 | Guide for Inspection |
| Existing elevators | ASME A17.3 | Retroactive requirements |
| Platform lifts | ASME A18.1 | Stairway lifts, VPLs |
| Building code | IBC Chapter 30 | Number required, accessibility |
| Hoistway enclosure | IBC Chapter 7 | Fire rating, openings |
| Accessibility | ADA / ICC A117.1 | Size, controls, signals |
| Element | Requirement |
|---|---|
| Door width | 36" minimum clear opening |
| Platform size | 80" x 54" minimum (2,000 lb car) |
| Control height | 54" max (side reach), 48" max (front reach) |
| Buttons | ¾" minimum, raised, Braille |
| Floor designations | 2" raised characters, 60" height |
| Hall lanterns | 2½" minimum, visible from call button |
| Door timing | Based on 1.5 ft/sec travel speed |
| Test Type | Frequency | Scope |
|---|---|---|
| Category 1 | Annual | Visual, functional, fire service |
| Category 5 | 5 years | Full load, safety test, buffer test |
| Acceptance | Initial | All systems, AHJ witnessed |
| Fire service | Annual | Phase I and II operation |
| Issue | Cause | Resolution |
|---|---|---|
| Pit water | Waterproofing failure | Repair waterproofing, verify sump pump |
| Rail misalignment | Structural movement | Resurvey, realign rails |
| Door problems | Interlock, operator, sill | Clean sills, adjust operator |
| Leveling issues | Controller, encoders | Adjust leveling circuits |
| Fire recall fails | Smoke detector, wiring | Verify detector zones, test circuits |
| Noise/vibration | Isolation, alignment | Check mounts, realign |
| Item | Lead Time |
|---|---|
| Elevator equipment | 12-20 weeks |
| Custom cab finishes | 8-12 weeks |
| Specialty fixtures | 6-10 weeks |
| Glass entrances | 6-8 weeks |
