TECHCRANE_PEDESTAL_GENERAL_ARRANGEMENT.pdf

Pedestal General Arrangement

TECHCRANE CARNE MODEL :T80-62-82

CUSTOMER: BASIC MARINE

Techcrane International LLC. 17639 Hard Hat Dr. Covinton , LA 70435 B:+01(985)871-0056 F:+01 (985) 871-0065 www.techcrane.com

T80-62-82 Customer :Basic Marine Date:5/22/2013

TABLE OF CONTENT

SECTION 1 : SCOPE OF WORK

1.1 Scope and Purpose

1.2 Upper Pedestal Structure

SECTION 2 : ESTIMATED LOADS ON THE LOWER STRUCTURE

SECTION 3 : LOWER AND UPPER PEDESTAL ARRANGEMENTS

SECTION 3 : APPENDIX :

APPENDIX A : DECK CRANE UPGRADE PEDESTAL MODIFICATION DRAWING NUMBER 3210-003-

19-01 : PROVIDED BY CUTOMER

APPENDIX B : LOWER DECK PHOTOS PROVIDED BY CUTOMER

APPENDIX C : FINITE ELEMENT ANALYSIS

Customer :Basic Marine Date:5/22/2013

1.1 Scope and Purpose :

This documents presents the general suggestions to reinforce and remove a compartment of the existing pedestal based on the information provided by the customer. In the absence of more detail and precise information from existing structure, Techcrane International LLC is only responsible for the upper pedestal structure (See Illustration 1) which is designed and manufactured by Techcrane International LLC. Techcrane takes and assumes no liability other than our provided pedestal.

The design validations , and structural integrity of the rest of the structure including all deck components , existing pedestal structure , existing stiffeners is the customer responsibly to meet the applicable standards requirements.

All welded connection shall be in accordance with the AWS D1.1 (latest edition ) .

The structural feasibility analysis of the existing structures will be required to be investigated by customer in order to support the loads from upper pedestal structure supplied by Techcrane.

1.2 Upper Pedestal Structure :

The upper pedestal structure refers as the pedestal and it's mounted structure which is designed and manufactured per structural requirement of API-2C latest edition. (See General Arrangement Drawing T80-62- 82 sent by techcrane on May /16 / 2013 Figure-1) .

Illustration 1: GENERAL ARRANGEMENT DRAWING T80-62-82

Customer :Basic Marine Date:5/22/2013

SECTION 2 : ESTIMATED LOADS ON THE LOWER STRUCTURE

Estimated Moment and Axial Loading created from Upper Pedestal Structure:

In order to meet the API 2C requirements The overturning moment and axial thrust loads created by the crane shall not be less than the below :

Axial Thrust load: 165000 pound Moment load : 3661285 ft.lbs Moment load due to side load :14444402 ft.lbs

*These values are calculated based on the (2x Static load) The crane is considered mounted on the supported fixed structure in the static condition. The crane stability calculations is sent to the costumer on (April/01/2013).

The entire structure shall conform with the AISC (Specification for Structural Steel Buildings) when subjected to the loads described in above . Stability must be calculated by customer provided Naval Architect. Please call Techcrane for any additional crane data needed for Customer Stability.

Customer :Basic Marine Date:5/22/2013

SECTION 3 : LOWER AND UPPER PEDESTAL ARRANGEMENTS

These drawings are provided only as the general instruction and It is simplified in order to provide better views of the main components of the entire assembly . The complete detail of the existing deck structure is not considered in the general assembly drawing .( to check the details see APPENDIX-A which is provided by customer) .

DESCRIPTIONQTYITEM

Existing Pedestal Can11

Internal Flat Bar (To be added)82

Existing Vessel Top Main Deck 13

Tapered Pedestal Assembly Manufactured by Techcrane14

Internal Stiffener Ring (to be added )15

Existing Longitudianal Deck Plate46

Main Deck Gussts (To be added)87

Existing Internal Lower Baffle Plates18

B

B

A A

B B

C C

D D

SHEET 1 OF 5

DESIGNED BY:

DRAWN BY:

WEIGHT:

PART/DWG. NO.:

FILE NAME:

U:\Design_Packages\80 - SERIES CRANES\1 - DESIGN\3 - FEA ANALYSIS\3 - PEDESTAL\T80-62-82\Basic marine lower pedestal\Total PEdestal assembly.iamN/A afarah

Pedestal Assembly Model for Reference

DATE:

17639 HARD HAT DRIVE COVINGTON, LA. 70435 U.S.A.

PHONE (985) 871-0056 FAX (985) 871-0065

REVISION NO.:

REV-015/21/2013

INFORMATION CONTAINED HEREON IS

CONFIDENTIAL AND TRADE SECRET

DO NOT DISCLOSE, USE OR REPRODUCE

WITHOUT PRIOR WRITTEN APPROVAL

FROM TECHCRANE INTERNATIONAL LLC.

N/A

MATERIAL:

Steel, High Strength Low Alloy

Released

DESIGN STATE:

MATERIAL NOTES:

1. BURN PER DIMENTIONS SHOWN.

2. PLATE FLATNESS AFTER BURNING TO BE

WITHIN ASTM SPECIFICATIONS.

3. REFER TO API SPEC 2C LATEST EDITION.

4. WHERE APPLICABLE - ROLL FORM PER

DIMENSIONS SHOWN.

5. WHERE APPLICABLE - TACK WELD AS

REQUIRED TO SECURE ROLLED CAN.

UNLESS OTHERWISE SPECIFIED

ALL DIMENSIONS ARE IN INCHES

[] INDICATES MILLIMETERS

TOLLERANCES

FRACTIONAL DIMENSIONS +

16/-0

SURFACE FINISHES 125√

APPROVED BY:

REVISION HISTORY

SHEET REV DESCRIPTION DATE APPROVED

01 D.Shad

GENERAL ARRANGEMENT DRAWING

A A

B B

C C

D D

SHEET 2 OF 5

DESIGNED BY:

DRAWN BY:

WEIGHT:

PART/DWG. NO.:

FILE NAME:

U:\Design_Packages\80 - SERIES CRANES\1 - DESIGN\3 - FEA ANALYSIS\3 - PEDESTAL\T80-62-82\Basic marine lower pedestal\Total PEdestal assembly.iamN/A afarah

REVISION NO.:

REV-015/21/2013

INFORMATION CONTAINED HEREON IS

CONFIDENTIAL AND TRADE SECRET

DO NOT DISCLOSE, USE OR REPRODUCE

WITHOUT PRIOR WRITTEN APPROVAL

FROM TECHCRANE INTERNATIONAL LLC.

N/A

MATERIAL:

Steel, High Strength Low Alloy

Released

DESIGN STATE:

MATERIAL NOTES:

1. BURN PER DIMENTIONS SHOWN.

2. PLATE FLATNESS AFTER BURNING TO BE

WITHIN ASTM SPECIFICATIONS.

3. REFER TO API SPEC 2C LATEST EDITION.

4. WHERE APPLICABLE - ROLL FORM PER

DIMENSIONS SHOWN.

5. WHERE APPLICABLE - TACK WELD AS

REQUIRED TO SECURE ROLLED CAN.

UNLESS OTHERWISE SPECIFIED

16/-0

SURFACE FINISHES 125√

APPROVED BY:

Existing pedestal to be cut 3 1/4 in from the top main deck

3 1/4

Internal Stiffener Ring(see the following pages)

Existing Vessel Top Main Deck Plate

Existing Pedestal Cut From Top Main Deck

Note:

All the values shown in this documents are suggested by Techcrane based on the information provided by the customer .

It is the customer responsibily to verify these value.

Note:

All the values shown in this documents are suggested by Techcrane based on the information provided by the customer .

It is the customer responsibily to verify these value.

Internal Flat Bar Overal Dimension

SECTION L-L

SCALE 1 / 50

DETAIL M

L L

M

A A

B B

C C

D D

SHEET 3 OF 5

DESIGNED BY:

DRAWN BY:

WEIGHT:

PART/DWG. NO.:

FILE NAME:

U:\Design_Packages\80 - SERIES CRANES\1 - DESIGN\3 - FEA ANALYSIS\3 - PEDESTAL\T80-62-82\Basic marine lower pedestal\Total PEdestal assembly.iamN/A afarah

REVISION NO.:

REV-015/21/2013

INFORMATION CONTAINED HEREON IS

CONFIDENTIAL AND TRADE SECRET

DO NOT DISCLOSE, USE OR REPRODUCE

WITHOUT PRIOR WRITTEN APPROVAL

FROM TECHCRANE INTERNATIONAL LLC.

N/A

MATERIAL:

Steel, High Strength Low Alloy

Released

DESIGN STATE:

MATERIAL NOTES:

1. BURN PER DIMENTIONS SHOWN.

2. PLATE FLATNESS AFTER BURNING TO BE

WITHIN ASTM SPECIFICATIONS.

3. REFER TO API SPEC 2C LATEST EDITION.

4. WHERE APPLICABLE - ROLL FORM PER

DIMENSIONS SHOWN.

5. WHERE APPLICABLE - TACK WELD AS

REQUIRED TO SECURE ROLLED CAN.

UNLESS OTHERWISE SPECIFIED

16/-0

SURFACE FINISHES 125√

APPROVED BY:

22.5°22.5°

Existing Internal Lower Baffle Plates

Internal Flat Bar (To be added)

3/4

1/2TYP.

1/2TYP.

2(8X)

Note:

All the values shown in this documents are suggested by Techcrane based on the information provided by the customer .

It is the customer responsibily to verify these value.

DETAIL J

Overall Dimensions

J

P

P

A A

B B

C C

D D

SHEET 4 OF 5

DESIGNED BY:

DRAWN BY:

WEIGHT:

PART/DWG. NO.:

FILE NAME:

U:\Design_Packages\80 - SERIES CRANES\1 - DESIGN\3 - FEA ANALYSIS\3 - PEDESTAL\T80-62-82\Basic marine lower pedestal\Total PEdestal assembly.iamN/A afarah

REVISION NO.:

REV-015/21/2013

INFORMATION CONTAINED HEREON IS

CONFIDENTIAL AND TRADE SECRET

DO NOT DISCLOSE, USE OR REPRODUCE

WITHOUT PRIOR WRITTEN APPROVAL

FROM TECHCRANE INTERNATIONAL LLC.

N/A

MATERIAL:

Steel, High Strength Low Alloy

Released

DESIGN STATE:

MATERIAL NOTES:

1. BURN PER DIMENTIONS SHOWN.

2. PLATE FLATNESS AFTER BURNING TO BE

WITHIN ASTM SPECIFICATIONS.

3. REFER TO API SPEC 2C LATEST EDITION.

4. WHERE APPLICABLE - ROLL FORM PER

DIMENSIONS SHOWN.

5. WHERE APPLICABLE - TACK WELD AS

REQUIRED TO SECURE ROLLED CAN.

UNLESS OTHERWISE SPECIFIED

16/-0

SURFACE FINISHES 125√

APPROVED BY:

1/2

Internal Stiffener Ring (to be added )

Note:

All the values shown in this documents are suggested by Techcrane based on the information provided by the customer .

It is the customer responsibily to verify these value.

100%

(3/8)

FILL

1 X 20° Chamfer Typical all around both sides

SECTION B-B

DETAIL C

SECTION D-D

VIEW P-P

SCALE 1 / 20

C

D D

A A

B B

C C

D D

SHEET 5 OF 5

DESIGNED BY:

DRAWN BY:

WEIGHT:

PART/DWG. NO.:

FILE NAME:

U:\Design_Packages\80 - SERIES CRANES\1 - DESIGN\3 - FEA ANALYSIS\3 - PEDESTAL\T80-62-82\Basic marine lower pedestal\Total PEdestal assembly.iamN/A afarah

REVISION NO.:

REV-015/21/2013

INFORMATION CONTAINED HEREON IS

CONFIDENTIAL AND TRADE SECRET

DO NOT DISCLOSE, USE OR REPRODUCE

WITHOUT PRIOR WRITTEN APPROVAL

FROM TECHCRANE INTERNATIONAL LLC.

N/A

MATERIAL:

Steel, High Strength Low Alloy

Released

DESIGN STATE:

MATERIAL NOTES:

1. BURN PER DIMENTIONS SHOWN.

2. PLATE FLATNESS AFTER BURNING TO BE

WITHIN ASTM SPECIFICATIONS.

3. REFER TO API SPEC 2C LATEST EDITION.

4. WHERE APPLICABLE - ROLL FORM PER

DIMENSIONS SHOWN.

5. WHERE APPLICABLE - TACK WELD AS

REQUIRED TO SECURE ROLLED CAN.

UNLESS OTHERWISE SPECIFIED

16/-0

SURFACE FINISHES 125√

APPROVED BY:

5 1/4

3/4

45° 45°

17 3/4

3 1/4 1/2

Main Deck Gussts (To be added)

Note:

All Vales shown in this documents are suggested by techcrane based the information provided by the customer .

It is the customer responsibily verify these values .

3/4 TYP

1/2TYP

APPENDIX A

S

A F

E T

Y

I

E V

E R Y O N E

B U

S I

N E

F

E

E R Y O N E

S I

N E

F

E

E R Y O N E

S I

N E

Customer :Basic Marine Date:5/22/2013

APPENDIX B : LOWER DECK PHOTOS PROVIDED BY CUSTOMER

Customer :Basic Marine Date:5/22/2013

APPENDIX C : FINITE ELEMENT ANALYSIS

This section indicates the FEA results based on the information provided by the customer.

Due to the lack of available loading history on the existing structure .A conservative estimation of the fatigue life should be considered by the customer to validate the reaming fatigue life of the structures based on the load creates by the new crane.

During these analysis it is assumed , there is no imposed cyclic load prior to the structure. The existence of the crack like discontinuities in the weldment is ignored . It requires a comprehensive inspection by the customer to confirm and validate the existing weld quality.

Farhad Line

Farhad Callout remaining

Customer :Basic Marine Date:5/22/2013

Load case and Meshing overview :

Illustration 2: Mesh and load arrangement

Customer :Basic Marine Date:5/22/2013

Estimated Displacement :

Illustration 3: Estimated displacement

Customer :Basic Marine Date:5/22/2013

Estimated Von-misses stress on the existing structures :