ANALYSIS ON GRANVILLE STREET BRIDGE TO DETERMINE WELDABILITY

7/28/2019 ANALYSIS ON GRANVILLE STREET BRIDGE TO DETERMINE WELDABILITY

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THIS REPORT CONTAINS 20 PAGES IN TOTAL. A12605-08057_01-01R0 60CIT004004 CA-Granvil le St.Bridge.doc

Prepared for:

CITY OF VANCOUVER

PO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BC

V6B 0L5

Attention: Otto Kauffmann

ANALYSIS ON GRANVILLE STREET

BRIDGE TO DETERMINE WELDABILITY

File Number: 6058057 Stefan Neville, EIT

Date: May 10, 2012 [email protected]

0 of 20 pages blank


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CITY OF VANCOUVERAnalysis on Granville Street Bridge to Determine Weldability Page 1

A12605-08057_01-01R0 60CIT004004 CA-Granville St.Bridge.doc

1.0 INTRODUCTIONAcuren was contracted to perform a chemical analysis on client specified structural steel

members of the Granville Street Bridge to determine weldability. Testing was per

formed so that temporary supports can be welded for the purpose of upgrading/replacing

the bearings. Testing on site was performed using a Metorex ArcMet 8000 portable

optical emission spectrometer (OES).

2.0 INSPECTIONAll testing was performed on the west side of the bridge at piers M2-M8. The locations

for testing were provided by the City of Vancouver. For the most part, all the testing was

performed on the outer steel plates. In certain cases some steel plates were tested on the

inner side, which are identified in the chemical analysis reports (Appendix A).

3.0 RESULTSThe results are summarized in the chemical analysis reports in Appendix A. Reference

material for the project included CSA S6-06 (Canadian Highway Bridge Design), CSA

W59-03 (Construction Specification for Structural Steel), CSA G40.21-04 (Structural

Quality Steel), and The Procedure Handbook of Arc Welding.

CSA G40.21-04 (R2009) is the generally accepted specification for structural steel and

provides grades of steels in terms of weldability and strength. The designation "W" is

used for weldability, which is classified as steel that meets certain chemical requirements

and therefore is readily weldable (under "normal" conditions). Any steel not meeting


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these requirements can still be welded with specific welding procedure. A number

preceding the "W" represents the strength of the material and was not determined during

this inspection.

For the purposes of this report, only the chemical composition results for each tested

plate was compared to a CSA G40.21-04(R2009) grade steel. No mechanical testing was

performed and therefore the strength of was not confirmed.

Carbon equivalency (CE) is a tool used to determine the weldability and a generally

accepted criteria for carbon steel is:

CE < 0.45: Preheat and interpass temperature is optional 0.45 CE 0.60: Preheat and interpass temperature 200 - 400 F

CE > 0.60: Preheat and interpass temperature 400 - 700 F

The equation to calculate CE according to CSA G40.21-04 is:

Equation 1

15

CuNiVMoCrMnCCE

+

+

++

++=

4.0 DISCUSSION OF RESULTS Most of the steel plates tested have a CE < 0.45 and therefore there is no preheat

and interpass temperature requirements.

Any steel found to have a CE over 0.45 a preheat and interpass temperaturerequirement should be determined by a welding engineer.


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Although some of the steels dont meet the specific chemical requirements ofCSA G40.21-04, their CE are still lower than 0.45 and should be weldable.

The chemical analysis results showed no pattern of repeatable results between allthe plates. In certain cases, the stiffeners, base plates, gusset plates, etc. some

were weldable and some were not.

5.0 CONCLUSION AND RECOMMENDATIONSThe majority of the steel plates were classified as weldable, according to CSA G40.21-

04(R2009). The plates that were not may still be welded with a proper specific welding

procedure. Due to the variance of the results it is difficult to say that the results would be

the same on the east side of the bridge.

It is recommended that further testing be performed on all steel that is to be welded to

confirm its weldability and a proper welding procedure constructed by a certified welding

engineer is followed. Hardness testing may also be considered to evaluate the strength of

the steel on the bridge. Acuren can provide both services.

Please contact the undersigned if you have any questions about the above matters.

Prepared by:

Stefan Neville, EIT

Reviewed by:

Bill Johnson, AScTNote: Unless otherwise instructed, we shall

dispose of all parts and test samples sixty

days from the date of this report.

This document and all services and/or products provided in connection with this document and all future sales are subject to and shall be governed by the Acuren Standard Service

Terms in effect when the services and/or products are ordered. THOSE TERMS ARE AVAILABLE AT WWW.ACUREN.COM/SERVICETERMS, ARE EXPRESSLY

INCORPORATED BY REFERENCE INTO THIS DOCUMENT AND SHALL SUPERSEDE ANY CONFLICTING TERMS IN ANY OTHER DOCUMENT (EXCEPT WHERE

EXPRESSLY AGREED OTHERWISE IN THAT OTHER DOCUMENT).


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APPENDIX A

CHEMICAL ANALYSIS TEST REPORTS


6/20This report contains 15 page(s). A12605-08057_01-02R0 60CIT004004 CA-Granville St.Bridge-App.A.doc

CHEMICAL ANALYSIS REPORT

DATE: May 10, 2012OUR FILE NO: 6058057

P.O.NO: 4500524626

CITY OF VANCOUVERPO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5

REPORT NO: 01

ATTENTION: OTTO KAUFFMANN

DESCRIPTION: Chemical Analysis on structural steel members on M8, M7, M6, M5, M4, M3, and M2 piers todetermine weldability for bearing replacement project on Granville Street Bridge. Testing wasperformed on the west piers

SAMPLE ID: CSA G40.21 - Structural Quality Steel. Weldable grades are identified as "W"

TEST METHOD: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)

CSA G40.21-04(R2009) LIST OF WELDABLE GRADES

CHEMICAL COMPOSITION (wt%)ELEMENT 260W 300W

350W,380W,400W

480W 550W

Carbon

Manganese

Copper

Nickel

Chromium

Molybdenum

Vanadium

Silicon

Phosphorus

Sulphur

Iron

Carbon Equivalency (maximum)

0.20

0.50-1.50

-

-

-

-

-

0.40

0.04

0.05

Balance

0.45

0.22

0.50-1.50

-

-

-

-

-

0.40

0.04

0.05

Balance

0.47

0.23

0.50-1.50

-

-

-

-

-

0.40

0.04

0.05

Balance

0.48

0.26

0.50-1.50

-

-

-

-

-

0.40

0.04

0.05

Balance

0.51

0.15

1.75

-

-

-

-

-

0.40

0.04

0.05

Balance

0.44

* All values are maximums unless a range is given

Reported by:

Stefan Neville, EIT

Reviewed by:Bill J ohnson, AScT

This document and all services and/or products provided in connection with this document and all fut ure sales are subject to and shall be governed by the Acuren Standard

Service Terms i n effect when the services and/or produ cts are ordered. THOSE TERMS ARE AVAILABLE AT WWW.ACUREN.COM/SERVICETERMS, ARE EXPRESSLY

INCORPORATED BY REFERENCE INTO THIS DOCUMENT AND SHALL SUPERSEDE ANY CONFLICTING TERMS IN ANY OTHER DOCUMENT (EXCEPT WHERE EXPRESSLY

AGREED OTHERWISE IN THAT OTHER DOCUMENT).


7/20This report contains 15 page(s). A12605-08057_01-02R0 60CIT004004 CA-Granville St.Bridge-App.A.doc



P.O.NO: 4500524626


REPORT NO: 02



SAMPLE ID: M2


M2 TEST RESULTS

CHEMICAL COMPOSITION (wt%)ELEMENT

PINBASEPLATE

GUSSET -INNER

GUSSET -2ND FROM

INNER

GUSSET -2ND FROM

OUTER

GUSSET -OUTER

Carbon

Manganese

Copper

Nickel

Chromium

MolybdenumVanadium

Silicon

Phosphorus

Sulphur

Iron

Carbon Equivalency

0.357

0.958

0.025

0.030

0.057

0.0270.009

0.207

0.003

0.032

Balance

0.539

0.230

0.645

0.004

0.048

0.037

0.0010.012

0.052

0.002

0.010

Balance

0.351

0.176

0.644

0.017

0.051

0.039

0.0010.007

0.043

0.003

0.009

Balance

0.297

0.140

0.655

0.136

0.063

0.063

0.0050.008

0.087

0.003

0.007

Balance

0.278

0.192

0.688

0.012

0.050

0.047

0.0030.007

0.023

0.002

0.009

Balance

0.322

0.147

0.743

0.010

0.057

0.061

0.0050.006

0.020

0.002

0.008

Balance

0.290

CSA G40.21 Comparable PlateSteel

n/a350W,380W,400W

260W 260W 260W 260W

*Carbon Equivalency calculated as per CSA G40.20-04

15

CuNiVMoCrMnCCE

+

+

++

++= Reported by:Stefan Neville, EIT







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This report contains 15 page(s). A12605-08057_01-02R0 60CIT004004 CA-Granville St.Bridge-App.A.doc

Figure 1 Schematic of testing locations for pier M2. Note the gusset base was nottested for M2.


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DATE: May 10, 2012

OUR FILE NO: 6058057

P.O.NO: 4500524626


REPORT NO: 03



SAMPLE ID: M3

TEST

METHOD

: ArcMet 8000 Portable Optical Emission Spectrometer (S/N: 800564)M3 TEST RESULTS


PINBASEPLATE

GUSSETBASEPLATE

GUSSET -INNER

GUSSET -2ND FROM

INNER

GUSSET -2ND FROM

OUTER

GUSSET -OUTER

Carbon

Manganese

Copper

Nickel

Chromium

Molybdenum

Vanadium

Silicon

Phosphorus

Sulphur

Iron

Carbon Equivalency

0.353

0.883

0.025

0.032

0.063

0.023

0.007

0.189

0.002

0.023

Balance

0.523

0.297

0.750

0.010

0.062

0.056

0.010

0.008

0.039

0.002

0.011

Balance

0.442

0.093

0.704

0.011

0.058

0.056

0.001

0.006

0.049

0.002

0.009

Balance

0.228

0.185

0.688

0.005

0.044

0.044

0.002

0.009

0.043

0.003

0.008

Balance

0.314

0.211

0.627

0.005

0.042

0.039


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Figure 2 Schematic of testing locations for pier M3. Note the gusset base wastested for M3.


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CHEMICAL ANALYSIS REPORTDATE: May 10, 2012

OUR FILE NO: 6058057

P.O.NO: 4500524626

CITY OF VANCOUVER

PO BOX 7757 349 WEST GEORGIA STREETVANCOUVER, BCV6B 0L5

REPORT NO: 04



SAMPLE ID: M4


M4 TEST RESULTSCHEMICAL COMPOSITION (wt%)

ELEMENTPIN

BASEPLATE

ENDPLATE

GUSSETBASEPLATE

GUSSETANGLEPLATE

GUSSET -INNER

GUSSET -MIDDLE

GUSSET-OUTER

Carbon

Manganese

Copper

Nickel

Chromium

Molybdenum

Vanadium

Silicon

Phosphorus

Sulphur

Iron

Carbon Equivalency

0.244

0.826

0.162

0.249

0.114

0.053

0.012

0.337

0.003

0.057

Balance

0.445

0.277

0.727

0.004

0.054

0.049

0.009

0.010

0.041

0.003

0.010

Balance

0.416

0.173

1.241

0.331

0.161

0.132

0.092

0.037

0.234

0.002

0.007

Balance

0.465

0.118

0.697

0.176

0.039

0.030

0.001

0.009

0.267

0.003

0.017

Balance

0.257

0.203

0.562

0.136

0.069

0.066

0.002

0.009

0.050

0.003

0.011

Balance

0.326

0.319

0.455

0.107

0.025

0.048


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Figure 3 Schematic of testing locations for pier M4. All testing was performed onthe north side. The south Base Plate was submerged in water.

SouthNorth


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P.O.NO: 4500524626


REPORT NO: 05



SAMPLE ID: M5


M5 TEST RESULTS

CHEMICAL COMPOSITION (wt%)ELEMENT BASE PLATE -NORTH BASE PLATE -SOUTH

Carbon

Manganese

Copper

Nickel

Chromium

Molybdenum

Vanadium

Silicon

Phosphorus

Sulphur

Iron

Carbon Equivalency

0.271

0.748

0.018

0.070

0.060

0.013

0.007

0.116

0.003

0.017

Balance

0.418

0.189

0.619

0.123

0.127

0.095

0.019

0.010

0.066

0.004

0.010

Balance

0.334

CSA G40.21 Comparable Plate Steel n/a 260W

*Carbon Equivalency calculated as per CSA G40.20-04

15

CuNiVMoCrMn

CCE

+

+

++

++=

Reported by:

Stefan Neville, EIT







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Figure 4 Schematic of testing locations for pier M5.

SouthNorth


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P.O.NO: 4500524626


REPORT NO: 06



SAMPLE ID: M6



ELEMENTBASE PLATE

-INNERBASE PLATE

-OUTER

GUSSETPLATE -INNER

GUSSETPLATE -OUTER

STIFFENER -INNER

STIFFENER -OUTER

Carbon

Manganese

Copper

Nickel

Chromium

Molybdenum

Vanadium

Silicon

Phosphorus

Sulphur

Iron

Carbon Equivalency

0.221

1.42

0.119

0.106

0.09

0.075

0.012


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Figure 5 Schematic of testing locations for pier M6. Testing was performed onboth the inner and outer sides.


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P.O.NO: 4500524626


REPORT NO: 07



SAMPLE ID: M7


M7 TEST RESULTS


BASE PLATEGUSSET

BASE PLATEGUSSETPLATE

STIFFENERCOVER -INNER

COVER -OUTER

Carbon

Manganese

Copper

Nickel

Chromium

Molybdenum

VanadiumSilicon

Phosphorus

Sulphur

Iron

CarbonEquivalency

0.220

1.408

0.143

0.106

0.051

0.078

0.009


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Figure 6 Schematic of testing locations for pier M7. Testing on the Cover wasdone on the North end on both the inner and outer locations.

North


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P.O.NO: 4500524626


REPORT NO: 08



SAMPLE ID: M8



ELEMENTBASE PLATE

STIFFENERPLATE

STIFFENERANGLE PLATE

GUSSET -INNERGUSSET -OUTER

Carbon

Manganese

Copper

Nickel

Chromium

Molybdenum

VanadiumSilicon

Phosphorus

Sulphur

Iron

CarbonEquivalency

0.234

0.630

0.129

0.131

0.101

0.021

0.0090.080

0.003

0.019

Balance

0.383

0.170

0.615

0.141

0.040

0.064


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Figure 7 Schematic of testing locations for pier M8.

ANALYSIS ON GRANVILLE STREET BRIDGE TO DETERMINE WELDABILITY

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