Customer supplied structural design

basis

Conceptual design

In-place analysis & design

Loadout analysis &

design

Transportation analysis &

design

Jacket/ Tower / Template

installtion analysis & design

Pipe installation analysis & design

Deck / topside module

installation analysis &

design

Structural Drafting

Fabrication support engineering

Structural drafting

Installation support engineering

Structural drafting

Overveiw 1

Input from next 4 flow charts

Creat / update Micro SAS model

Perform analysis for operational / extreme environmental load cases

Perform dynamic analysis (if required)

Perform earthquake analysis (if required)

Perform fatigue analysis (if required)

Design appurtenances &

detail steel

Inplace 3

Design appurtenances &

detail steel Provide information to

structural drafting

Establish transportation configuration & structure hard points

Create/update SACS transportation model

Perform structural transportation analysis, including fatigue analysis (if required)

Create/update MOSES transportation model

Verify structural adequancy of barge

Perform marine transportation analysis. Generate accelerations

Verify barge stability (if known)

Go to Inplace

Analysis

Repeat in place analysis

Input from Installation Support

Engineering

Yes

5

yes

Transportation

Design detail steel & perform local member checks

Provide information to structural drafting

Advise offshore operating group

Verify structural adequancy of barge

Go to Inplace

Analysis

Repeat in place analysis

From page 1 of flowchart # 6

Perform structural on -

bottom analysis

Create / update Micro SAS on - bottom model

Input from flowchart # 10

Repeat in place analysis

Go to flow chart # 3

No

No

6 part 2

Flow through

Lift

Repeat in place analysis

Provide information to structure drafting

Go to flow chart # 3

Design installation appurtenances

Input from flowchart # 10

Perform structural float - through

analysis

Lift or float through

Create / update Micro SAS model

Create / update MOSES float- through model

Perform structural lift analysis

Perform marine float - through analysis

yes

No

8

Structural Engineering Naval Architecture

launch

Lift

Yes

Perform structural float - through

analysis

Provide information to structural drafting

Design installation appurtenances

Go to flow chart # 3

Perform structural lift analysis

Repeat in place analysis

Launch or lift structure

Go to flowchart # 6 or # 8

Select lift rigging

Establish lift arrangement

Verify lift weight & centre of gravity

Repeat lift analysis

Go to A page 2 of 2 of this

flowchart # 10

Go to flowchart # 5

Determine structure tow arrangement on material barges

Establish field arrangement & derrick

barge mooring requirements

Provide information to

structural drafting

Repeat transportation

analysis

Provide information to

structural drafting

No

10 part 1

Structural Drafting Structural Engineering / Naval Architect Other Disciplines

Go to flowchart # 6 or # 8

Provide information to structural drafting

Provide on site assistance during installation

Design rigging platform

Verify lift eye / trunnion adequacy

Perform derrick barge hook check

Repeat lift analysis

Provide onsite assistance during installation

Prepare tug hoursepower,tow ballast , & tow safety reports

Perform seafastening design

Provide information to

structural drafting

EPCI/ EPC /EP BID package

Review scope of work

Manhours estimate & scope for BID support

Review structural design basis philosophies & specifications

Prepare & / or Review :

EPCI/ EPC /EP BID package

Review scope of work

Manhours estimate & scope for BID support

Review structural design basis , philosophies & specifications

- Preliminary project specifications.- Feed reports.- Preliminary jacket main steel.- Preliminary deck main steel.-Miscellaneous steel.

BATAM Yard

Proposal group

Electrical

Input to electrical steel surface area calculation

Prepare & / or Review : Preliminary drawings : - Jacket main steel.- Deck main steel.- Miscellaneous steel.

Technical clarification

Input to proposal

- Deliverable test. - CTR / Manhours estimate.- Input to schedule.

- Preliminary project specifications.- Feed reports.- Preliminary jacket main steel.- Preliminary deck main steel.-Miscellaneous steel.

Technical clarification

Input to proposal

- Technical qualifications- Input for engineering execution- Response to questionaires.- Deliverable list.- CTR / Manhours estimate.- Input to schedule.

RFQ For building architectural items- Doors.

- Windows.- Ceiling.- Flooring. - Wall insulation.- Wall lining.- ETC.

Technical BID evaluation (Quick TBE)

Building architectural cost summary

BID project engineer

Document control

Planner

Procurement

Vendor's proposal

Through Document control

Building architectural cost summary

Identify customer requirements

Identify operations material handling

requirements

Identify pipeline riser / J-tube requirements

Identify platform access / egress requirements for operations observation & maintenance activities

Identify fabrication constrains

Identify hull constrains

(reference hull designer criteria / premise)

Identify layout of

major process

equipment & buildings

Identify space allocations for pipe & electrical raceways

Identify drilling / process

requirements (reference equipment

arrangements).

Generate preliminary

jacket concept

Develop supplementary

structural design premise

Generate preliminary deck concept

Develop cost estimate & schedule (if required).

Identify installatio

n constrain

s

Conceptual 2

yesNO

Input from Installation Support

Engineering

Establish loadout method & structure hard points

Create/update SACS loadout model

Verify stability of barge (if known)

Create / update MOSES loadout model

Perform structural loadout analysis

Perform base structural & deflection check

Verify adequacy of skidways

Perform marine loadout analysis

Repeat in place analysis

Go to flow chart # 3

loadout 4

Launch

Noyes

Lift

No

yes yesNO

No

Verfiy adequacy of barge skids

Advice offshore operations group

Repeat in place analysis

Provide information to structural drafting

Design detail steel & perform local member checks

Input from Flow chart # 10

Create / Update Micro SAS model (flow chart # 3)

Verify Ballast

flotation

Upend?

Go to flow chart # 3

Repeat in place analysis

Perform marine launch analysis . Generate loads

Create / update MOSES launch model

Launch or lift ?

Perform structural lift analysis

Create / update Micro SAS lowering model

Go to page 2 of this flowchart #

6

Perform structural launch analysis

Lower to mudline?

Noyes

6 part 1

Perform float / upend analysis

Upend? Perform structural lowering analysis

Create / Update Moses float / upend modelCreate/ update MOSES

lowering model

Perform marine lowering analysis

Repeat in place analysis

Input from Flowchart # 10

Perform Micro SAS pile lift analysis. Perform

MOSES upend analysis

Determine pile makeup

Perform pile stickup analysis

Perform pile driveability

analysis

7

Fabrication support Loadout support

yes

No

Provide information to structural drafting

Design pile installation appurtenences

Determine pile makeup

Establish engineering scope of work for structure assemly / erection in fabrication yard

Establish required support points;design

support pads and foundation,as required

Provide information to structural drafting

Provide information to structural drafting

Perform structural analysis , as required , for: jacket bent rollups , jacket bent floats , deck

truss rollups , deck pancake floats

Design appurtenances , as required for rollups & floats

Evaluate fabrication yard foundation adequacy for loadout, if

required

Provide information to structural

drafting

Design new skidways or evaluate existing skidways,as

applicable

Go to flowchart # 4

Develop structure loadout procedure

Repeat loadout analysis

9

Structural Engineering Naval Architecture

yesYes

NoNo

yes Yes

Installation Support Engineering

Provide information to structural drafting

Evaluate fabrication yard foundation adequacy for crawler crane operations, if

required

Provide lift point locations & crawler crane hook loads to fabrication yard

Design appurtenances , as required for rollups & floats

Provide onsite assistance during loadout

Design appurtenances as required for loadout

Evaluate fabrication yard foundation adequacy for loadout, if

required

Provide information to structural

drafting

Go to flow chart 7

Verify adequacy of mudmats

Go to flow chart 6

Perform overturning / sliding analysis

Establish pile installation sequence

Repeat on-bottom analysis

Repeat pile installation

analysis

A

Go to flow chart # 6

Verify launch cradle & launch lug adequacy

Go to flow charet # 6

Verify launch weight,buoyancy,center of gravity & center of buoyancy

Repeat launch analysis

Repeat float & upend analysis

No No

10 part 2

Provide onsite assistance during installation

Provide information to structural drafting

Review grout system design & details

Verify skirt pile guide adequacy

Design pile stops & lifting eyes

Go to flow chart 7 Repeat pile installation

analysis

Go to flow chart # 6

Verify upending eye adequacy

Provide on site assistance during installation

Provide launch / flotation / upending report

Select upending rigging

Review flooding system design & details

Repeat float & upend analysis