These reports are made available by the Health and Safety Executive as part of a series of reports of work which has been supported by funds provided by the Executive. Neither the Executive, nor the contractors assume any liability for the reports nor do they necessarily reflect the views of the Executive.
The documents below can be accessed via the National Archives.
TA1 Structural integrity management of offshore installations (floating, fixed and jack-up installations; topsides and substructure), including ageing and life extension considerations
- RR083 Margins of safety in FPSO hull strength
- RR090 Re-evaluation of fatigue curves for flush-ground girth welds
- RR094 Technical performance measures for North Sea jacket structures
- RR219 Design and integrity management of mobile installation moorings
- RR225 FPSO response to fast transient dynamic events
- RR245 Stress redistribution in platform substructures due to primary member damage and its effect on structural reliability
- RR246 Effect of platform robustness on inspection planning
- RR278 Demonstration project on risk assessment of space frame platforms exposed to random wave loading
- RR286 Risk implications in site characterisation and analysis for offshore engineering and design
- RR293 Feasibility study to compare steel and adhesive/composite-based emergency repair methods for damaged hulls
- RR299 Evaluation of CEN ultrasonic testing standards for in-service inspection
- RR326 Cost effective structural monitoring
- RR328 Acoustic monitoring of the hulls of Floating Production Storage and Offloading facilities (FPSOs) for corrosion and damage
- RR331 Generic review of Offshore Division research in structural integrity 2000
- RR344 The effects of multiple member failure on the risk gross collapse over typical inspection intervals
- RR429 Structural Reliability Framework for floating production, storage and offloading vessels/floating surface units Phase II
- RR444 Floating production system: JIP FPS mooring integrity
- RR489 Structural strengthening of offshore topsides structures as part of explosion risk reduction methods
- RR494 The significance of stress redistribution effects on structural reliability of deepwater jackets
- RR642 Improved generic strategies and methods for reliability-based structural integrity assessment
- RR659 Evaluation of the effectiveness of non-destructive testing screening methods for in-service inspection
- RR684 Structural integrity management framework for fixed jacket structures
- OTH329 Buckling of offshore structural components
- OTH345 Roughness and vortex shedding effects for cylinders in flume and real sea waves
- OTH353 Stress concentration factors for tubular complex joints
- OTH354 Stress concentration factors for tubular complex joints - Assessment of existing and development of new parametric formulae
- OTH356 Literature survey on fatigue strengths of load-carrying fillet welded joints failing in the weld
- OTH358 Thickness effect in 'relatively thin' welded joints
- OTH368 Fatigue life enhancement of tubular joints by grout injection
- OTO 97 002 Strategic overview of safety levels in offshore engineering structure
- OTO 97 040 Review of structural monitoring
- OTO 97 044 Flow of safety-related structural integrity information in the offshore industry - Summary report
- OTO 97 045 Flow of safety-related structural integrity information in the offshore industry
- OTO 97 046 Comparison of reserve strength ratios of old and new platforms
- OTO 97 048 Appraisal of methods of structural reliability assessment for offshore structures
- OTO 97 049 Buckling of offshore structures assessment of code limitations
- OTO 98 046 Progress in structural monitoring
- OTO 98 148 Hazard management in structural integrity - Vol 1 - Main report
- OTO 98 149 Hazard management in structural integrity - Vol 2 - Summary report
- OTO 98 150 Hazard management in structural integrity - Vol 3 - Hazard management measures
- OTO 98 151 Hazard management in structural integrity - Vol 4 - Inherent Safety
- OTO 98 152 Hazard management in structural integrity - Vol 5 - Performance standards
- OTO 98 164 Reliability based design and assessment of FPSO structures
- OTO 99 015 Assessment of the historical development of fixed offshore structure design codes
- OTO 99 035 Reliability of fixed and jack-up structures
- OTO 99 059 Validation of inspection planning methods
- OTO 99 060 Target levels for reliability-based assessment of offshore structures during design and operation
- OTO 99 061 Review of probabilistic inspection analysis methods
- OTO 99 074 Technical review of ISO 2394 general principles on reliabilities for structures
- OTO 99 084 Detection of damage to underwater tubulars and its effect on strength
- OTO 00 011 FPSO reliability analysis example
- OTO 00 018 POD/POS curves for non-destructive examination
- OTO 00 019 Stress intensity due to residual stresses
- OTO 00 020 Partial safety factors for SINTAP procedure
- OTO 00 021 Calibration of probability of failure estimates made from probabilistic fracture mechanics analysis
- OTO 00 027 Review of current inspection practices for topsides structural components
- OTO 00 038 Development of structural reliability framework for offshore platforms
- OTO 00 040 Structural system reliability framework for fixed offshore structures - Summary report
- OTO 00 052 Fatigue reliability of old semi-submersibles
- OTO 00 057 Assessment of strengthening clamp from the Viking offshore platform: Phase I
- OTO 00 058 Assessment of strengthening clamp from the Viking offshore platform: Phase II
- OTO 00 065 Development of the concept of structural toughness
- OTO 00 072 Load factor calibration for ISO 13819 regional annex: Component resistance
- OTO 00 092 Cost effective structural monitoring
- OTO 01 006 Appraisal of API RP 2FPS (Recommended practice for planning, designing and constructing floating production systems)
- OTO 01 007 Maintenance - Reducing the risks
- OTO 01 016 Pile/sleeve connections
- OTO 01 018 A study of pile fatigue during driving and in-service and pile tip integrity
- OTO 01 056 The effects of local joint flexibility on the reliability of fatigue life estimates and inspection planning
- OTO 01 061 Completion component reliability - Failure mode identification
- OTO 01 062 Comparative evaluation of minimum structures and jackets
- OTO 01 069 Decks, stairways, gangways and their associated handrails
- OTO 01 070 The structural design of helidecks for offshore installations
- OTO 01 072 Helideck structural requirements
- OTO 01 074 Deterioration and spalling of high strength concrete under fire
- OTO 01 082 Comparison of tubular joint strength provisions in codes and standards
- OTO 01 083 Comparison of fatigue provisions in codes and standards
- OTO 01 084 Comparison of tubular member strength provisions in codes and standards
- OTI 88 539 A handbook for underwater inspectors
- OTI 92 600 Explicit analytical methods for determining structural response
- OTO 98 081 Development of parametric equations for MK-Factors for semi-elliptic cracks in T-Butt welds
TA2 Improved understanding of dynamic loading (including seismic and boat impact) and response
- RR053 Ship/platform collision incident database (2001)
- RR113 Operational safety of FPSOs shuttle tanker collision risk summary report
- RR166 An appraisal of existing seismic hazard estimates for the UK Continental Shelf
- RR177 Review of structural modelling of deep water jack up structures
- RR208 The effects of dynamic loading on structural integrity assessments
- RR220 Ship collision and capacity of brace members of fixed steel offshore platforms
- RR324 Wave Slap Loading on FPSO Bows
- RR514 Overview of collision detection in the UKCS
- RR676 Review of technical issues relating to foundations and geotechnics for offshore installations in the UKCS
- OTH317 The effect of ship impact on the load carrying capacity of steel tubes
- OTH345 Roughness and vortex shedding effects for cylinders in flume and real sea waves
- OTH379 A criterion for assessing wind including crossflow vortex vibrations in wind sensitive structures
- OTH438 Wave loading data from fixed vertical cylinders with simulated hard marine fouling
- OTH467 Summary of findings of wave load measurements on the Tern platform
- OTH474 Analysis on Ness wind data
- OTH491 Wave current flows around circular cylinders at large scale
- OTO 92 001 Analysis of wave forces using system identification
- OTO 92 008 Pile driving vibrations database
- OTO 93 026 Statistics of wave breaking in the southern North Sea
- OTO 94 004 UK Continental shelf seismic hazard unified catalogue of earthquakes
- OTO 95 957 International workshop on water waves and floating bodies
- OTO 96 035 Breaking waves
- OTO 97 056 An investigation of mesoscale and internal wave activity in the faroe-sheltered channel
- OTO 97 073 Review of wave in deck load assessment procedure
- OTO 98 029 Ship impact resistance of Jack-up conductors
- OTO 98 092 Dynamic push-over analysis of jacket structures
- OTO 98 168 Kinematics and loading effects of internal waves
- OTO 98 833 Research in to the behaviour of displacement piles for offshore foundations
- OTO 99 086 Assessment of environmental load provisions for north sea design
- OTO 99 094 Wave enhancement due to structure blockage - Parts 1 & 2
- OTO 00 053 Collision resistance of ship-shaped structures to side impact
- OTO 00 055 Analysis of structural response measurements - Phase 3B Spadeadam
- OTO 00 059 Investigation into the stability of an impact and damaged jack-up during a wet tow: Model test interpretation and assessment
- OTO 00 093 A pilot study on the impact of OSD research on installation design
- OTO 01 010 Environmental considerations
- OTO 01 034 Assessment of wave-in-deck loads on a typical jack-up
- OTO 02 005 Seismic hazard: UK continental shelf
- OTO 02 006 Damage resulting from shuttle tanker: FPSO encounters
- OTO 02 007 Resistance of semi-submersibles to collisions
- OTO 02 018 FPSO response in long and short crested seas
- OTI 88 535 Protection of offshore installations against impact
- OTI 91 551 Fluid loading on pontoon sections
- OTI 92 554 A review of the factors affecting mooring loads from the point of view of applying a reliability analysis
- OTI 92 558 Wave loading data from fixed vertical cylinders
TA3 Foundation failure (including jack-up site technical investigation)
TA4 Materials (such as high strength steels, ship steels, concrete, cold climate effects etc)
- RR105 Review of the performance of high strength steels used offshore
- RR129 Review of external stress corrosion cracking of 22%Cr duplex stainless steel Phase 1 - Operational data acquisition
- RR131 Long-term testing of composite through-thickness properties
- RR191 Integrity of Repaired Welds (Phase 1) - Deliverable 5 Summary Report
- RR207 Review of low cycle fatigue resistance
- RR224 Growth of through-wall fatigue cracks in brace members
- RR298 Chloride stress corrosion cracking of duplex stainless steels in the absence of oxygen
- RR520 Damage modelling of large and small scale composite panels subjected to a low velocity impact
- RR643 Assessing and modelling the uncertainty in fatigue crack growth in structural steels
- OTH240 The assessment of impact damage caused by dropped objects on concrete offshore structures
- OTH283 Part 1 Grouted and mechanical strengthening and repair of tubular steel offshore structures
- OTH283 Part 2 Grouted and mechanical strengthening and repair of tubular steel offshore structures – Engineering assessment of test data
- OTH298 Scaling of underwater concrete repair materials
- OTH351 Hydrogen cracking of legs on Jack-up drilling rigs
- OTH364 Long term durability of grouts in marine environments
- OTH365 A review of the ultimate strength of tubular framed structures
- OTH390 Background to new fatigue guidance for steel joints and connections in offshore structures
- OTH392 A survey of some recent corrosion fatigue tests on welded joints in steel plate
- OTH427 Influence of geometry on the strength of T-butt joint
- OTH482 A review of residual stress distribution in welded joints for the defect assessment of offshore structures
- OTH489 Literature review of fracture properties of grade A ship plate
- OTH497 The ultimate strength of cracked tubular K-joints
- OTH511 A review of fatigue cracked growth rates in air and seawater
- OTH532 A review of the corrosion fatigue behaviour of structural steels in the strength range 350-900MPa and associated high strength weldments
- OTH554 Assessment of fracture strength of cracked tubular joints
- OTH555 A review of the effects of sulphate reducing bacteria in the marine environment on the corrosion fatigue and hydrogen embrittlement of high strength steels
- OTH562 Static strength of high strength steel tubular joints
- OTO 89 003 Influence of geometry on the fatigue strength of T-butt joints
- OTO 94 702 Effect of cathodic protection on the fatigue strength of tubular joints in Seawater
- OTO 94 804 Fatigue of welded joints under variable amplitude loading
- OTO 95 952 The influence of welding on the performance of high strength steels offshore
- OTO 95 954 Implications of proposed changes to the post-weld heat treatment requirements for structural steels on the HSE guidance document for offshore installations
- OTO 96 030 A review of adhesive bonding for offshore structures
- OTO 96 040 Review of long term variable amplitude corrosion fatigue data
- OTO 96 050 Guidance for concrete structures
- OTO 96 709 HAZ toughness of thick section steel - Final report
- OTO 96 710 Critical examination of correlations between fracture toughness and Charpy impact energy
- OTO 96 712 Hydrogen induced stress corrosion cracking of welded low carbon steel
- OTO 96 901 Composite materials for use offshore
- OTO 96 902 Fatigue crack growth research
- OTO 96 903 Marine research review 9 - The question of high yield to ultimate strength ratio for high strength steel
- OTO 97 053 The durability of prestressing components in offshore concrete structures
- OTO 97 054 Engineering properties of high strength lightweight concrete
- OTO 97 065 The corrosion fatigue behaviour of high strength and associated high strength weld metals
- OTO 97 066 A review of DRA work on marine strength steels
- OTO 97 067 Fatigue tests on steel bolts
- OTO 97 072 Data surveys of Hydrogen assisted cracking in high strength jack-up steels
- OTO 98 044 Stress concentrations in single-sided welds in offshore tubular joints
- OTO 98 091 Further assessment of high strength steel weld metals for use in offshore engineering applications
- OTO 99 014 Weld toe magnification factors for semi-elliptical cracks in T-butt joints
- OTO 99 018 The behaviour of carbon steels at high strain rates and strain limits
- OTO 99 022 Fatigue life implications for design and inspection for single sided welds at tubular joint
- OTO 99 054 Static strength of cracked tubular joints: New data and models
- OTO 99 056 A review of the effects of microstructure on the hydrogen embrittlement of high strength offshore steels
- OTO 99 058a Fatigue curves for welded joints in air and sea under variable amplitude loading
- OTO 99 058b Fatigue curves for welded joints in air and sea under variable amplitude loading – Results
- OTO 99 081 Ultimate strength performance of offshore structural framing
- OTO 00 001 Fracture properties of grade 'A' ship plate
- OTO 00 077 Fracture mechanics assessment of fatigue cracks in offshore tubular structures
- OTO 00 078 Static strength of cracked high strength steel tubular joints
- OTO 00 088 Modelling failure of welded connections to corrugated panel structures under blast loading
- OTO 01 015 Steel
- OTO 01 017 Materials other than steel and concrete
- OTO 01 020 Elevated temperature and high strain rate properties of offshore steels
- OTO 01 046 Concrete
- OTO 01 074 Deterioration and spalling of high strength concrete under fire
- OTO 01 079 Variable amplitude corrosion fatigue of jack-up steels
- OTO 01 080 The static strength of cracked joints in tubular members
- OTO 01 081 Experimental validation of the ultimate strength of brace members with circumferential cracks
- OTO 01 082 Comparison of tubular joint strength provisions in codes and standards
- OTO 01 083 Comparison of fatigue provisions in codes and standards
- OTO 01 084 Comparison of tubular member strength provisions in codes and standards
- OTI 92 602 The effects of high strain rates on material properties
- OTI 92 604 Experimental data relating to the performance of steel components at elevated temperature
- OTI 92 605 Methodologies and available tools for the design/analysis of steel components at elevated temperatures
- OTI 92 611 The effect of bacterial activity on North sea concrete
TA5 Uncertainties in extreme weather hazards
- Extreme Environmental Loading Study
- Extreme Environmental Loading of Fixed Offshore Structures: Current Code Requirements
- Extreme Environmental Loading of Fixed Offshore Structures: Procurement and Analysis of Metocean Data
- Extreme Environmental Loading of Fixed Offshore Structures: Metocean Analysis
- Extreme Environmental Loading of Fixed Offshore Structures: Metocean Research
- Extreme Environmental Loading of Fixed Offshore Structures: Crest Heights, Kinematics and Loading
- Extreme Environmental Loading of Fixed Offshore Structures: Directional Analysis
- Extreme Environmental Loading of Fixed Offshore Structures: Extreme Loading Events, Part A
- Extreme Environmental Loading of Fixed Offshore Structures: Extreme Loading Events, Part B
- Extreme Environmental Loading of Fixed Offshore Structures: Summary Report, Component 1
- Extreme Environmental Loading of Fixed Offshore Structures: Risk Ranking
- Extreme Environmental Loading of Fixed Offshore Structures: Evaluation of Extreme Loading
- Extreme Environmental Loading of Fixed Offshore Structures: Guidance
- Extreme Environmental Loading of Fixed Offshore Structures: Summary Report, Component 2
- RR330 A co-ordinated approach to metocean activities on the UK continental shelf
- RR347 Review of the role of response forecasting in decision-making for weather-sensitive offshore operations
- RR357 Findings of an expert panel engaged to conduct a scoping study on survival design of floating production storage and offloading vessels against extreme metocean conditions
- RR392 Wave mapping in UK waters
- RR401 The properties of extreme waves
- RR415 Weather safety in the North West approaches - An implementation test using satellite data in assessing wave energy dynamics
- RR468 Non linear potential flow forcing: the ringing of concrete gravity based structures
- RR621 Wave mapping in UK waters: Supporting document
- OTH311 Breaking wave loads on immersed members of offshore structures
- OTH323 Seismic monitoring of the North Sea
- OTH366 The internal kinematics of steep waves on sheared current - An experimental study
- OTH396 Estimating extreme wave heights in the NE Atlantic from Geosat data
- OTH421 Satellite remote sensing of metocean parameters: Present status and future prospects
- OTH426 Energy industry metocean data around the UK
- OTH437 Extreme residual current speeds on the UK continental shelf
- OTH483 The accuracy of wind and wave forecasts
- OTH500 Waves and winds in the North West approaches to the United Kingdom
- OTO 94 003 Spatial scales of wave height in the Northern Atlantic and North Sea from radar altimeter data
- OTO 96 016 Selection and summary of significant storm events in UK waters
- OTO 96 020 North sea severity assessment
- OTO 96 025 The wave spreading factor in UK waters
- OTO 01 022 Weather-sensitive offshore operations and Metocean data
- OTO 01 030 Wind and wave frequency distributions for sites around the British Isles
- OTO 01 058 A Study of Circulation in the North West Approaches Region
- OTO 01 078 An investigation of storm incidents in UK waters
TA6 Fire and explosion response
- RR089 A critical review of post Piper-Alpha developments in explosion science for the offshore industry
- RR124 Pulse pressure testing of 1/4 scale blast wall panels with connections
- RR146 Analysis and Design of Profiled Blast Walls
- RR404 Pulse pressure testing of ¼ scale blast wall panels with connections - Phase II
- RR405 Design, materials and connections for blast-loaded structures
- RR435 Improved simplified response methods to blast loading
- OTH 430 Blast and shock induced vibrations in offshore jacket installations
- OTO 99 078 Blast wall design review
- OTO 00 009 Structural response measurements during gas explosions in a test rig representing an offshore module
- OTO 00 088 Modelling failure of welded connections to corrugated panel structures under blast loading
- OTI 92 590 The use of alternative materials in the design and construction of blast and fire resistant structures
- OTI 92 601 Computerised analysis tools for assessing the response of structures subjected to blast loading
- OTI 92 604 Experimental data relating to the performance of steel components at elevated temperature
TA7 Miscellaneous
- RR019 Sensitivity of jack-up reliability to wave-in-deck calculation
- RR047 Analysis of accident statistics for floating monohull and fixed installations
- RR049 Review of the Jack-Ups: Safety in Transit (JSIT) technical working group
- RR095 Accident statistics for floating offshore units on the UK Continental Shelf 1980 - 2001
- RR096 Accident statistics for fixed offshore units on the UK Continental Shelf 1980 - 2001
- RR143 Review of the risk assessment of buoyancy loss (RABL) project
- RR349 Accident statistics for Fixed Offshore Units on the UK Continental Shelf 1980 - 2003
- RR473 Review of issues associated with the stability of semi-submersibles
- OTH441 Isle of Grain pipeline depressurisation tests
- OTH558 An experimental, theoretical and full-scale investigation on the snap loading of marine cables - Main report
- OTH 559 An experimental, theoretical and full-scale investigation on the snap loading of marine cables - presentation and results
- OTO 95 022 Stability of Jack-ups in transit
- OTO 95 955 Technical review of subsea scour
- OTO 96 027 An assessment of the reliability of the mooring systems of mobile offshore units for close proximity applications - Phase I
- OTO 96 028 An assessment of the reliability of the mooring systems of mobile offshore units for close proximity applications - Phase II Further analysis
- OTO 97 051 Overview of the work carried out during the North European storm study; The hindcasting of North Sea metocean parameters
- OTO 97 800 A review of monohull FSUs and FPSUs
- OTO 97 815 Safety assessment of the use of silicone resins for underwater inspection
- OTO 98 049 Stability of jack-ups in transit: Phase II final summary report
- OTO 98 082 West Epsilon jack-up rig data analysis
- OTO 98 145 HSE/CAA inspection project offshore helidecks 1991-1995
- OTO 99 055 A review of single - sided nodal joints in jacket construction
- OTO 00 007 Pile load testing performance for HSE cyclic loading study at Dunkirk, France - Volume 2
- OTO 00 008 Pile load testing performance for HSE cyclic loading study at Dunkirk, France – Volume 1
- OTO 00 037 A review of reliability considerations for fixed offshore platforms
- OTO 00 039 Offshore application and sensitivity study
- OTO 00 056 FPSO's - Lessons learned
- OTO 01 001 SNAME 5-5B WSD 0: Comparison with SNAME 5-5A LRFD and the SNAME 5-5A North sea annex
- OTO 01 005 Analysis of green water susceptibility of FPSO/FSU's on the UKCS
- OTO 01 012 Site investigations
- OTO 01 013 Loads
- OTO 01 029 A review of experience from two offshore design projects
- OTO 01 035 Interpretation of full-scale monitoring data from a jack-up rig
- OTO 01 036 Interpretation of full-scale monitoring data for input to ISO standard on jack-up rigs
- OTO 01 048 Floating installations
TA8 Miscellaneous
- RR019 Sensitivity of jack-up reliability to wave-in-deck calculation
- RR047 Analysis of accident statistics for floating monohull and fixed installations
- RR049 Review of the Jack-Ups: Safety in Transit (JSIT) technical working group
- RR095 Accident statistics for floating offshore units on the UK Continental Shelf 1980 - 2001
- RR096 Accident statistics for fixed offshore units on the UK Continental Shelf 1980 - 2001
- RR143 Review of the risk assessment of buoyancy loss (RABL) project
- RR349 Accident statistics for Fixed Offshore Units on the UK Continental Shelf 1980 - 2003
- RR473 Review of issues associated with the stability of semi-submersibles
- OTH441 Isle of Grain pipeline depressurisation tests
- OTH558 An experimental, theoretical and full-scale investigation on the snap loading of marine cables - Main report
- OTH 559 An experimental, theoretical and full-scale investigation on the snap loading of marine cables - presentation and results
- OTO 95 022 Stability of Jack-ups in transit
- OTO 95 955 Technical review of subsea scour
- OTO 96 027 An assessment of the reliability of the mooring systems of mobile offshore units for close proximity applications - Phase I
- OTO 96 028 An assessment of the reliability of the mooring systems of mobile offshore units for close proximity applications - Phase II Further analysis
- OTO 97 051 Overview of the work carried out during the North European storm study; The hindcasting of North Sea metocean parameters
- OTO 97 800 A review of monohull FSUs and FPSUs
- OTO 97 815 Safety assessment of the use of silicone resins for underwater inspection
- OTO 98 049 Stability of jack-ups in transit: Phase II final summary report
- OTO 98 081 Development of parametric equations for MK-Factors for semi-elliptic cracks in T-Butt welds
- OTO 98 082 West Epsilon jack-up rig data analysis
- OTO 98 145 HSE/CAA inspection project offshore helidecks 1991-1995
- OTO 99 055 A review of single - sided nodal joints in jacket construction
- OTO 00 007 Pile load testing performance for HSE cyclic loading study at Dunkirk, France - Volume 2
- OTO 00 008 Pile load testing performance for HSE cyclic loading study at Dunkirk, France – Volume 1
- OTO 00 037 A review of reliability considerations for fixed offshore platforms
- OTO 00 039 Offshore application and sensitivity study
- OTO 00 056 FPSO's - Lessons learned
- OTO 01 001 SNAME 5-5B WSD 0: Comparison with SNAME 5-5A LRFD and the SNAME 5-5A North sea annex
- OTO 01 005 Analysis of green water susceptibility of FPSO/FSU's on the UKCS
- OTO 01 012 Site investigations
- OTO 01 013 Loads
- OTO 01 029 A review of experience from two offshore design projects
- OTO 01 035 Interpretation of full-scale monitoring data from a jack-up rig
- OTO 01 036 Interpretation of full-scale monitoring data for input to ISO standard on jack-up rigs
- OTO 01 048 Floating installations