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Offshore Pipelay Stinger

LIFTING & INSTALLATION EQUIPMENT

Fast-Track Engineering, Manufacturing and Delivery of Installation Aids and Lifting Equipment.

Total experience more than 30 000 man-hours.

SERVICES

Design Development

Analysis & Calculations

Production and Delivery

EPC

Fast-Track

EQUIPMENT

Clamps (Mechanical, ROV Operated)

Lifting equipment (spreader bars, collars)

Rigging Design

Bend Restrictors

Installation Equipment & Aids 

DOCUMENTATION

Drawings (MTO, Detail, Assembly)

Design Report & Technical Note

Procedures (FAT, SAT, Installation, etc.)

Operation & Maintenance Manuals

WE ARE EXPERIENCED PROVIDER OF

FAST-TRACK ENGINEERING, PRODUCTION AND DELIVERY SERVICES

ANALYSIS & CALCULATIONS

ANALYSIS TYPES

Static linear analysis - obligatory in most cases (Full structure and Local checks)

Static nonlinear analysis – if required (acc. to DNV-RP-C208)

Buckling check – for vulnerable structures

Dynamic analysis –includes but not limited to: dropped object case, collision etc.

Junctions check - bolted, welded and pinned (full structure or locally)

Frictional contact - verification and max. product compression check – actual for friction clamps, slip-resistant joints

Fatigue

Corrosion protection

TYPICAL LOAD CASES

Item specific operation - environmental and accidental load cases

Junctions check - bolted, welded and pinned (full structure or locally)

Frictional contact - verification and max. product compression check – actual for friction clamps, slip-resistant joints

Stability

Lifting

Transit - seafastening, cargo lashing on truck etc.)

STANDARDS

DNV-ST-N001 - Marine operations and marine warranty

DNV-RP-N103 - Modelling and analysis of marine operations

DNV-RP-F111 - Interference between trawl gear and pipelines

DNV-RP-C208 - Determination of Structural Capacity by Non-linear FE analysis Methods

DNV-RP-C205 - Environmental conditions and environmental loads

DNV-OS-C101 - Design of offshore steel structures, general - LRFD method

EN 1993-1-8 - Eurocode 3: Design of steel structures - Part 1-8: Design of joints

NORSOK N-004 - Design of steel structures

NORSOK M-120 - Material Data Sheets for Structural Steel

NORSOK M-101 - Structural steel fabrication

NORSOK U-001 - Subsea production systems

SOFTWARE

ANSYS

Static Structural

Explicit dynamics - dropped objects and collision
Modal and Eigenvalue Buckling - for buckling

StaadPro - structural and code checks
Mathcad - hand calculations accroding to verified methodologies

IN ORDER TO GET DETAILED OVERVIEW OF OUR COMPETENCE
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