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Chapter 30: Elevators & Conveying Systems

Master elevator requirements, hoistway enclosures, smoke protection, and emergency operations

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Building Scenario

Throughout this chapter, you'll apply elevator requirements to our familiar 3-story mixed-use building:

3-Story Mixed-Use Building

  • • Floor 1: Retail (Group M)
  • • Floor 2: Office (Group B)
  • • Floor 3: Apartments (Group R-2)
  • • Type IIIA construction, fully sprinklered

Elevator Integration

  • • Hoistway enclosure requirements
  • • Smoke protection at elevator lobbies
  • • Phase I and Phase II operations
  • • Machine room vs MRL considerations

What You'll Learn

Elevator Requirements

When elevators are required and IBC/ASME integration

Accessibility

Chapter 11 integration and accessible elevator features

Hoistway Enclosures

Shaft requirements and fire-resistance ratings

Smoke Protection

When required and compliance methods

Protection Methods

Enclosed lobbies, doors, curtains, and pressurization

Machine Rooms

Fire separation, exclusive use, and MRL elevators

Emergency Operations

Phase I recall and Phase II firefighter service

Level Overview

Level 1: Elevator Requirements Overview

Learn when elevators are required and how IBC Chapter 30 integrates with ASME A17.1.

IBC vs ASME4-story thresholdFire service featuresLobby hierarchy

Level 2: Accessibility Requirements

Understand when elevators are required for accessibility and accessible elevator features.

Chapter 11 integrationAccessible routesStretcher elevators

Level 3: Hoistway Enclosures

Master hoistway enclosure requirements and fire-resistance ratings.

Shaft requirementsFire-resistance ratingsOpening protection

Level 4: Smoke Protection Triggers

Learn when smoke protection is required at elevator lobbies.

Section 3006.2.1Corridor ratingsFloor-by-floor analysis

Level 5: Smoke Protection Methods

Master the four compliance paths for smoke protection at elevator openings.

Enclosed lobbiesAdditional doorsSmoke curtainsUL 1784

Level 6: Machine Rooms & Control Rooms

Understand machine room requirements, fire separation, and MRL elevators.

Fire-resistance ratingsExclusive useMRL advantagesEnvironmental requirements

Level 7: Emergency Operations

Master Phase I recall and Phase II firefighter service operations.

Phase I recallPhase II operationFirefighter controlsASME A17.1