Tim_Ward_Key_High_Rise_Provisions_V3.pdf

7/29/2019 Tim_Ward_Key_High_Rise_Provisions_V3.pdf

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CopyrightInternational Code Council,

2004 1

Key High-Rise Provisionsey Highey High-Rise Provisionsise ProvisionsBased on provisions of

the2003 InternationalBuilding Codeand

2003 International FireCode


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2004 2

Key High-Rise Provisionsey Highey High-Rise Provisionsise ProvisionsTwo model building codesavailable in the United States.The International Building Code

(IBC) 2000 and 2003 editions.

NFPA 5000 2003 edition.


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2004 3

GoalsoalsoalsExplain scope andprovisions used for:Construction,Inspection,Commissioning,

of high-rise buildings in theUnited States as they relateto building regulations.


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2004 4

What We Will Coverhat We Will Coverhat We Will CoverKey construction provisions.General inspections.Special inspections.Material and test procedures.Fire code inspections.


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2004 5

U.S. Building Regulations.S. Building Regulations.S. Building RegulationsBuilding codes are written by not-for-profit

organizations (e.g., International CodeCouncil).Codes are made available for adoption toanyone wishing to use them as a model.State and local jurisdictions decide which

documents to adopt.


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2004 6

What is a High-Rise Building?hat is a Highhat is a High-Rise Building?ise Building?Buildings having

occupied floors locatedmore then 22,860 mm(75 feet) above thelowest level of firedepartment vehicleaccess (IBC definition).


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2004 7

Basic Technical Provisionsasic Technical Provisionsasic Technical ProvisionsHeight and area restrictions.Construction types.Fire protection.Structural safety.Means of egress.Other building functions (i.e., plumbing).


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2004 8

Development Criteriaevelopment Criteriaevelopment Criteria Two criteria justify unique high-rise

provisions:1. Large events can cause unique challenges andextensive damage.2. Configuration of building makes it difficult toevacuate and perform fire and associated

emergency functions.


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2004 9

Key High-Rise Provisionsey Highey High-Rise Provisionsise ProvisionsKey high-rise provisions can be categorized

as:Nonstructural.Structural.


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2004 10

Nonstructural Provisionsonstructural Provisionsonstructural ProvisionsAutomatic sprinkler systems.Automatic fire detection.Emergency voice

communication systems.Fire departmentcommunication systems.Fire command center.


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2004 11

Nonstructural Provisionsonstructural Provisionsonstructural ProvisionsStandby power.Emergency power.Stairway door operation.Smoke proof exit enclosures.Seismic and wind

considerations.Emergency escape and rescueoperations.


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2004 12

Structural Provisionstructural Provisionstructural ProvisionsDeals primarily with Chapter16 of the InternationalBuilding Code.Design loads.

Live loads.Seismic.Snow loads.Wind loads.

Acceptable methods of design.Documentation.


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2004 13

Material Provisionsaterial Provisionsaterial ProvisionsIBC Chapters 18 through 26 contain specific

provisions for materials:Steel,Concrete,Masonry,Wood,Glass.


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2004 14

International Fire Code (IFC )nternational Fire Codenternational Fire Code (IFCIFC )The IFC contains duplicate

requirements listed in the IBC.IFC deals with:

New construction,Maintenance,Fire department access onexterior of the building.


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2004 15

Inspection and Testingnspection and Testingnspection and TestingInspection and testing

can be divided asfollows:Initial construction.Maintenance.


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2004 16

InspectionsnspectionsnspectionsInspections include both:

Visual inspection.Testing (referred to as commissioning).


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2004 17

Third-Party Inspectionshirdhird-Party Inspectionsarty InspectionsA third party is required to do certain

inspections or tests.Hired by the building owner.Approved by the jurisdiction.


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2004 18

Third-Party Inspectionshirdhird-Party Inspectionsarty InspectionsThird-party inspectors are used

primarily for special inspections,due to:Complexity and technical detail ofdesign and construction.Staffing limitations of buildingdepartments.Liability concerns.


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2004 19

IBC InspectionsBC InspectionsBC InspectionsInternational Building Code (IBC) Inspections.

Footings and foundations.Concrete slab and under-floor.Frame.Lath and gypsum board.Fire-resistant penetrations.Energy efficiency.Other.


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2004 20

Special Inspectionspecial Inspectionspecial InspectionsTypically done outside the

staffing of the buildingdepartment, due to:Necessary qualifications.Lack of staffing support.Complexity and scope ofproject.


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2004 21

Focus of Special Inspectionsocus of Special Inspectionsocus of Special InspectionsStructural aspects of a high-rise building.Some fire protection issues, including:

Smoke control testing.Sprayed applied fire resistant materials.Special cases (i.e., atriums).

Special inspections can be:Periodic.Continuous.


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2004 22

Structural Special Inspectionstructural Special Inspectionstructural Special InspectionsSteel construction.Concrete construction.Masonry construction.Wood construction.Soils.Pile foundations.

Pier foundations.Wall panels andveneers.Sprayed fire-resistant

materials.Exterior insulation andfinish systems.Smoke control systems.


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2004 23

Unique Casesnique Casesnique CasesConstruction materials and systems that are

alternative to that allowed in the code.Unusual use of materials (i.e., beyond listing).Materials with additional manufacturersinstruction outside scope of the code.


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2004 24

Seismic and Wind Considerationseismic and Wind Considerationseismic and Wind ConsiderationsQuality assurance forseismic and windconsiderations.

IBC requires developmentof a quality assuranceplan for high-rise buildingsconstructed in:Higher seismic zones.Certain more extreme windconditions.


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2004 25

Testing for Seismic Resistanceesting for Seismic Resistanceesting for Seismic ResistanceSpecific inspections and tests are due to the

critical nature of some design elements.Seismic Design Category Design Element

C, D, E, F Seismic-force-resistingsystemD, E and F Designated seismic systemC, D, E, F Architectural, mechanical,electrical components


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2004 26

Structural Observationstructural Observationstructural ObservationsStructural observations are required for,

Seismic Design Categories D, E, or F buildingswith the following conditions:Seismic Use Group II and III.Height > 22, 860 mm (75 feet).Seismic Category E, Group I and greater than 2stories.When required by designer.When required by building official.


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2004 27

Materials and Test Proceduresaterials and Test Proceduresaterials and Test ProceduresAddresses issues relating to compliance with

materials standards and tests required whenstandardized tests are not applicable.Testing in the field.Creating a unique test for a particular building.


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2004 28

Materials and Test Proceduresaterials and Test Proceduresaterials and Test ProceduresDesign strength.Alternative test procedures.Test safe loads.In-situ load tests.Preconstruction load test.Material and test standards

(joists, hangers and connectors,concrete and clay roof tiles).


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2004 29

IFC InspectionsFC InspectionsFC InspectionsPrimarily geared at maintenance.Inspections and testing by the firedepartment focus on active fireprotection.

Sprinkler systems.Standpipes.Smoke control systems.


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2004 30

Inspections Based on I-Codesnspections Based on Inspections Based on I-CodesodesInspections based on

other I-Codes.Plumbing.Mechanical.Fuel Gas.Electrical.Energy Conservation.


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SummaryummaryummaryKey construction provisions.General inspections of the high-rise building.Special inspections based on use andoccupancy.Fire code inspections.

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Tim_Ward_Key_High_Rise_Provisions_V3.pdf