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The 2015 International Existing Building Code? (IEBC?) encourages the use and

reuse of existing buildings, while requiring reasonable upgrades and improvements.

These upgrades and improvements, where applicable, are life-safety related and

include the upgrading of fire protection systems, partial or complete enclosing of

vertical openings, replacement of unsafe interior finishing, providing adequate

means of egress and improving accessibility and the structural system. It is

important to note that the necessity of the upgrades and improvements is

determined by the type and extent of the work, not the expense.

Goal

Participants will be able to use this document to identify changes between the 2012 and 2015 IEBC, allowing

them to apply theses code requirements to design, plan submittals and/or inspection.

Objectives

Upon completion, participants will be better able to:

? Identify the most significant differences between the 2012 IEBC and the 2015 IEBC.

? Explain the differences between the current and previous edition.

? Identify changes in organization and code requirements.

? Identify the applicability of design, plan review and inspection requirements.

Content

Chapters are divided for code development purposes as follows:

Chapter 1: Scope and Administration

Chapter 2: Definitions

Chapter 3: Compliance Methods

Chapter 4: Prescriptive Compliance Method

Chapter 6: Repairs

Chapter 7: Alterations¡ªLevel 1

2015 IEBC Update

Chapter 8: Alterations¡ªLevel 2

Chapter 9: Alterations¡ªLevel 3

Chapter 10: Change of Occupancy

Chapter 11: Additions

Chapter 12: Historic Buildings

Chapter 13: Relocated or Moved Buildings

Chapter 14: Performance Compliance Methods

Chapter 15: Construction Safeguards.

Chapter 16: Referenced Standards

* Italicized items are covered in this handout; not all chapters have significant changes covered in this handout.

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2015 IEBC Update

General Comments

The 2015 IBC is very similar in layout to 2012 IEBC. There has been no major

renumbering.

Chapter 34 of the IBC has been deleted. The IEBC is the main document for repairs,

alterations, additions and change of occupancy.

Chapter 1: Scope and Administration

Code Section

2015

2012

104.11

104.11

Section Title

Seismic evaluation

and design

procedures

Description of Change

Feedback must be provided by code official as to why an alternate

design, method or material was not approved.

Chapter 3: Provisions for All Compliance Methods

Code Section

2015

2012

301.1.4

301.1.4

302

New

Section Title

Description of Change

Seismic evaluation Revised to harmonize with new edition of ASCE 41. ASCE 41 now

and design

incorporates ASCE 31. Tables 301.1.4.1 and 301.1.4.2 were revised to be

procedures

consistent with the terminology and structure of ASCE 41.

General provisions New section to address issues such as application of additional codes,

existing and new material allowances and occupancy classification for all

compliance methods. Language originates from Chapter 4 and 5.

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2015 IEBC Update

Chapter 4: Prescriptive Compliance Method

Code Section

Section Title

Description of Change

2015

2012

403.4.1/

907.4.3

New

Altered buildings in Evaluation and retrofit required in seismic design category F if work

Seismic Design

exceeds 50% of aggregate building area (level 3 alteration). Reduced

Category F

seismic loads are permitted.

403.5

New

Bracing for

unreinforced

masonry parapets

upon reroofing

Section added into prescriptive method based upon Section 707.3.1 (Level

1 alteration). Essentially requires unreinforced masonry parapets to be

braced where more the 25% of the roof is being replaced. This is

applicable only to Seismic Design categories D, E and F.

403.6

New

Wall anchorage for

unreinforced

masonry walls in

major alterations

Section added into prescriptive method based upon

Section 907.4.5 and requires that unreinforced

masonry walls be anchored where located in

Seismic design category C, D, E and F. Note that

Section 907.4.5 was revised to add seismic design

category C.

403.7

New

Bracing for

unreinforced

masonry parapets

in major alterations

Section added into the

prescriptive method based upon

Section 907.4.6 for level 3

alterations. This requires that

unreinforced masonry parapets

be braced where located in

seismic design categories C, D,

E and F. Note that Section

907.4.6 was revised to add

seismic design category C.

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2015 IEBC Update

Chapter 4: Prescriptive Compliance Method

Code Section

2015

2012

406.2/

702.4

New

Section Title

Replacement

window opening

control

devices/window

opening control

devices

Description of Change

Requires that when windows are replaced that window opening control

devices be provided to protect children from falls. This has been

addressed in the IBC for new construction but not for the replacement of

existing windows.

Window Opening Control Devices

406.3/

702.5

New

Replacement

window emergency

escape and rescue

openings

Requires that if a window is intended for emergency escape (Group R)

compliance is not required with IBC under certain conditions: Largest

window made that will fit with largest opening. Permitted to be same

operating style.

407.4

407.4

Change of

Occupancy

(structural)

Allows the use of the seismic design levels and techniques in Chapter 3 ¨C

essentially ASCE 41.

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