web tools supporting seismic qualification of electrical ... · nafems.org/caase18 the conference...

June 5th-7th | Cleveland, OHThe Conference on Advancing Analysis & Simulation in Engineering | CAASE18nafems.org/caase18

Web Tools Supporting Seismic

Qualification of Electrical Equipment

Earthquake Engineering Knowledge Capture and

Dissemination to the Non-specialist

Agenda

2 Earthquake Demands

3 Product Line Capacity

4 Compliance Validation

1 Certification Types

5 Web Tool Demo

What is Seismic Certification?

•Building codes prescribe the earthquake demand that becomes a

requirement when state and local jurisdictions enforce code provisions

•Seismic certification is a validation activity ensuring nonstructural products

have greater withstand capacity compared to the prescribed demand

•Two types of certification Self-certification and 3rd party certification✓ ✓

What is Nonstructural?

•Building skeleton

includes:

✓ Foundation

✓ Beams

✓ Columns

✓ Walls

✓ Lateral bracing

✓ Floor slabs

What is Nonstructural?

•Nonstructural includes

everything contained

within the skeleton that

makes a building

function:

✓ Mechanical and

Electrical Equipment

✓ Mechanical and

Electrical Distribution

Systems

✓ Building Occupancy

Contents

How to Establish Compliance?

•The simple answer is to validate for a given product order that:

Prescribed EarthquakeDemand at Job Site Location

Established Product Line Seismic Withstand Capacity

Capacity DemandExceeds

Earthquake Demand Primer…

Global Earthquakes

•Building proximity to

seismic hazard

•Equipment installation

location within

building

•And are prescribed by

the U.S. and Canada

codes via hazard maps

Dependent on:

Earthquake Demand

Earthquake Hazard Maps – U.S. and Canada

Compiled by the USGS• 2008 Hazard Map (Current Codes)• 2002 Hazard Map (Legacy Codes)

Compiled by the GSC• 2015 Hazard Map (Current Code)• 2010 Hazard Map (Legacy Code)

Earthquake Hazard Maps – U.S. and Canada

Table 1. Earthquake Hazard Maps and Associated Model Building Codes

2008 USGS Maps

(Current U.S. Codes)

2002 USGS Maps

(Legacy U.S. Codes)

2015 GSC Maps

(Current Canada Code)

2010 GSC Maps

(Legacy Canada Code)

2015 IBC / 2016 CBC

2012 IBC / 2013 CBC

2016 UFC

2009 IBC / 2010 CBC

2006 IBC / 2007 CBC

2012 UFC

2015 NBCC 2010 NBCC

Notes: IBC – International Building Code (model building code used in the United States and elsewhere) CBC – California Building Code (model building code used in the State of California) UFC – Uniform Facilities Criteria (U.S. Department of Defense model building code) NBCC – National Building Code of Canada (model building code used in Canada)

The Manual Process…

Hazard Map(USGS Website)

• Codes must have a

map to relate

location to

earthquake demand

• Could be defined in

zone boundaries or

lat/lon coordinates

Design Spectrum(ASCE 7 Seismic Loads)

• Codes must have a

building design

spectrum

• Typically

constructed based

on hazard map

parameters

Floor Spectrum(AC156 Test Spectrum)

• Assumption for

building floor

transfer function

• This is validated by

independent SMEs

• U.S. code formalized

this via AC156

Jobsite Location(Google Maps)

• Customer

application must

reference install

location

• Could be defined as

address or Zip code

The Automated Process…

2008 USGS Hazard Data

IBC 2015 / CBC 2016IBC 2012 / CBC 2013

UFC 3-310-04June 2016

Location of Equipment Installation

Options

1. Address or Lat/Lon

2. ZIP Code3. U.S. State

Building Height Ratio

Options

1. Grade2. Roof

IBC/CBCFloor Spectrum

Demand Calculations

Options

1. U.S. Military Bases and U.S. Embassy Locations

Options

1. Grade2. Roof

UFCFloor Spectrum

Demand Calculations

2015 GSCHazard Data

NBCC 2015

Options

2. Postal Code

Options

1. Grade2. Roof

NBCCFloor Spectrum

Demand Calculations

2002 USGS Hazard Data

IBC 2009 / CBC 2010IBC 2006 / CBC 2007

UFC 3-310-04June 2012

Options

2. ZIP Code3. U.S. State

Options

1. Grade2. Roof

Options

1. Grade2. Roof

UFCFloor Spectrum

Demand Calculations

IBC/CBCFloor Spectrum

Demand Calculations

Options

1. U.S. Military Bases and U.S. Embassy Locations

2010 GSCHazard Data

NBCC 2010

Options

1. Grade2. Roof

NBCCFloor Spectrum

Demand Calculations

Options

2. Postal Code

Select Geographic Location of Equipment Installation

Select Building Code or Standard for

Compliance Verification

StreetAddress

ZIPCode

Lat/Lon Coords

State / Province

IBC 2015 / CBC 2016IBC 2012 / CBC 2013

UFC 3-310-04June 2016/13

SelectBuilding Height

Installation Options

Roof Elevation

z/h = 1

Ground Elevation

z/h = 0

UFC Location

2008 USGSLat/Lon Coords

2008 USGSStates Table

2008 USGSZIPs Table

Geo-CodeLook-up

Lat/LonCoordinate

Base/City Table

LookupSS

Site Class B

Site ClassInterpolation

Site Class D

Conversion toSDS

SDS = 2/3 x SS

Conversion toAC156 Spectra

State Table

LookupSS

Site Class B

Site Class D

Conversion toSDS

SDS = 2/3 x SS

Site Class D

Conversion toSDS

SDS = 2/3 x SS

Min DemandSearch Box

Site Class B

Four CornerSearch Box

Lat/Lon

ZIP Table

LookupSS

Site Class B

Site Class D

Conversion toSDS

SDS = 2/3 x SS

Search Radius

InterpolationsCRS, SSUH, SSD

Site Class B

UFC 3-301-01September 2016Location Tables

•Earthquake engineering SME defines

the steps and required mathematical

transformations

Dependent on:

The Automated Process…

•Using commercial software to

create and “can” the web

applications…EASA Software was

selected

•Resulting in expert tools that can

be disseminated to non-specialists

Dependent on:

EASA Tool 3

Product Line Capacity Primer…

Equipment Seismic Capacity

● Capacity is measure of equipment’s ability to withstand earthquake loading conditions

▪ Horizontal and vertical accelerations applied through equipment anchorage tie-down points

● Capacity includes both structural integrity and active operation considerations…thus testing is mandatory

● Tri-axial testing is preferred

EASA Tool 1 EASA Tool 2 EASA Tool 3

Capacity Assessment Process

Seismic Tool

Data Input

• The steps are similar between 3rd Party and Self Certification:

Seismic 3rd Party CertificationExternal Oversight

3rd Party

Review

Program

Product Line

Mapping

3rd Party

Review

Capacity

Management

Compliance

Documents

Seismic Design

Assessment

Seismic Tool

Data Input

Seismic Self CertificationInternal Oversight

Program

Product Line

Mapping

Capacity

Management

Compliance

Documents

Seismic Design

Assessment

Most Difficult

Capacity Assessment Process

•The results are different with the 3rd party assuming certification ownership

Possible Seismic Testing Options

• Test products to a worst case maximum envelope of earthquake demands

covering NA regions

• Create one certificate of conformance for each product type

• Make certificates available to commercial teams

• Product orders that require seismic are issued certificates

• Simple execution model for commercial teams

• Difficult execution model for engineering teams

Marketing Option 1

• Not practical to test using maximum ground motion…it’s too high!

• Most products would require costly seismic enhancements to pass test

• Not a realistic option…and no buildings are located at extreme “hot spots”

Marketing Option 1

• Test products to the product limits which is variable and is less than

maximum…no additional enclosure design cost needed

• Create certificates based on jobsite location on an order-by-order basis

• Make a web tool available to commercial teams

• Product orders that require seismic are issued “site-specific” certificates

via web tool

• Slightly more complex execution model for commercial teams but with

major savings for engineering teams

Marketing Option 2

✓Schneider Electric has been using site-specific certification

since 2004

Seismic Data Input

•Test unit configuration details

are entered including:

• Physical characteristics

• Electrical characteristics

• Location of response

accelerometers

• Definition of functional tests

conducted pre & post seismic

shake-test

EASA Tool 1a

Seismic Data Input

•Test unit configuration details

are entered including:

• Identify major sub-components

(i.e., Bill of Materials)

EASA Tool 1b

Seismic Data Input

•Test result details are entered

including:

• Natural frequency and damping

of test unit

• Active operation results

• Structural integrity results

• Photos and videos

• Capture the “lessons learned”

EASA Tool 1b EASA Tool 1c

Seismic Data Input

•Test result details are entered

including:

• Test report number, dates and

• Test run ID’s

• Control accelerometer TRS and

ZPA for each axis for each run

• Test unit capacity for each run

auto-calculated and stored in

database

EASA Tool 1d

Seismic Capacity Management

•Create product tree

•Assign test data (test units)

to tree branches

•Add certificate product

names to each branch node

•Multiple languages supported

•Manage product line capacity

EASA Tool 2

Compliance Validation Primer…

Commercial Tool

•Deployed to commercial

teams (non-specialist)

•Select certificate type

•Select building code

•Define installation

location

•Select product type

•Click the button

•Fully automated

•100% accurateEASA Tool 3

Commercial Tool Statistics

• (19) Product categories supported in the tool

• (54) Product lines included

• (195) Shake-table test data sets

• (209) Seismic Tool user accounts spread across the Americas

•Supported $2.3B in product orders over last 10 yrs

•Our latest EASA version of tool requires no IT maintenance

•Permanent knowledge capture

•SME expertise democratized Tool

Demonstration

Thank You!

Jeff Gatscher, Schneider Electricjeff.gatscher@schneider-electric.com

web tools supporting seismic qualification of electrical ... · nafems.org/caase18 the conference...

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