Abbrevation : Piping

ADCP	Acoustic Doppler Current Profiler
AGA	American Gas Association
AISI	American Iron and Steel Institute
ALARP	As Low As Reasonably Practicable
ALS	Accidental Limit State or Accidental Load Situation
API	American Petroleum Institute
ASD	Allowable Stress Design
ASM	American Society of Metals
ASME	American Society of Mechanical Engineers
ASTM	American Society for Testing and Materials
BOP	Blow Out Preventer
BS	British Standard
CAPEX	Capital Cost
CBV	Cost Benefit Value
CEN	Centre Européen de Normalisation
CEV	Carbon Equivalent
CIV	Corrected Inherent Viscosity
COE	C-bending, O-pressing, Expansion
CP	Centre Point, Cathodic Protection
CPT	Cone Penetrometer Testing
CRA	Corrosion Resistant Alloy
CTOD	Crack Tip Opening Displacement
CSA	Canadian Standards Association
DEH	Direct Electrical Heating
DFI	Design, Fabrication and Installation
DFO	Documents For Operation
DFT	Dry Film Thickness
DIN	Deutscher Institut für Normung
DNV	Det Norske Veritas
DONG	Dansk Olie og Naturgas
DP	Dynamic Positioning
DS	Dansk Standard
DWT	Dead Weight Tonnage
DWTT	Drop Weight Tear Test
ECA	Engineering Criticality Assessment
EEZ	Exclusive Economic Zone
EFC	European Federation of Corrosion
EIA	Environmental Impact Assessment
EN	Euro Norm
ENV	European Pre-Standard (draft EN)
ESD	Emergency Shut Down (valve)
EU	European Union
FAR	Fatal Accident Rate
FBE	Fusion Bonded Epoxy
FEM	Finite Element Method
FLS	Fatigue Limit State
FMEA	Failure Mode Effect Analysis
FPS	Floating Production System
FPSO	Floating Production, Storage and Offloading
FRP	Fibre Reinforced Polymer
GA	General Arrangement (drawing)
GIS	Geographical Information System
GL	Germanischer Lloyd
GMAW	Gas Metal Arc Welding
GPS	Global Positioning System
GPTC	Gas Piping Technology Committee
HAZ	Heat Affected Zone
HAZID	Hazard Identification
HAZOP	Hazard and Operability (study)
HD-	High Density (e.g. HDPE, HDPU)
HDD	Horizontal Directional Drilling
HFW	High Frequency Welding
HIC	Hydrogen Induced Cracking
HIP	Hot Isostatic Pressing
HIPPS	High Integrity Pressure Protection System
HP/HT	High Pressure/High Temperature
HSE	Health, Safety and Environmental Protection
ID	Internal Diameter (pipe bore)
IEC	International Electrotechnical Commission
IP	Intersection Point
ISO	International Standardisation Organisation
ISO/DIS	Draft International (ISO) Standard
KP	Kilometre Post
LAT	Lowest Astronomical Tide
LCI	Life Cycle Information
LI	Liquidity Index
LL	Liquid Limit
LRFD	Load and Resistance Factor Design
MAIP	Maximum Allowable Incidental Pressure
MAOP	Maximum Allowable Operating Pressure
MBR	Minimum Bending Radius
MD	Medium Density (e.g. MDPE)
MEG	Methyl Ethyl Glycol/Mono Ethylene Glycol
MPI	Magnetic Particle Inspection
MSL	Mean Sea Level
MTO	Material Take-Off
NACE	National Association of Corrosion Engineers (USA)
NDE/NDT	Non-Destructive Examination/Non-Destructive Testing
NGL	Natural Gas Liquids
NKT	Nordisk Kabel og Tråd
NORSOK	Norsk Sokkels konkuranseposisjon (competitive standing of the Norwegian offshore sector)
NPV	Net Present Value
OD	Outer Diameter
OPEX	Operational Cost
OREDA	Offshore Reliability Data
OS	Offshore Standard
P&ID	Process and Instrumentation Diagram
PA	Polyamide
PD	Published Document
PE	Polyethylene
PI	Plasticity Index
PL	Plastic Limit
PP	Polypropylene
PRCI	Pipeline Research Council International, Inc.
prEN	European Pre-Standard
PSD	Process Shut Down (valve)
PSV	Pressure Safety (relief) Valve
PU	Polyurethane
PVC	Poly Vinyl Chloride
PVDF	Polyvinylidene Fluoride
QA/QC	Quality Assurance/Quality Control
QRA	Quantified Risk Analysis
REM	Rare Earth Materials
RFO	Ready For Operation
ROV	Remotely Operated Vehicle
RP	Recommended Practice
RTS	ROV-operated Tie-in System
S	Seamless (pipe)
SAR	Synthetic Aperture Radar
SAW	Submerged-Arc Welding
SAWH	Submerged-Arc Welding Helical
SAWL	Submerged-Arc Welding Longitudinal
SCADA	Supervision, Control and Data Acquisition
SCF	Stress Concentration Factor
SI	Système Internationale/International System for Units
SLOR	Single Line Offset Riser
SLS	Serviceability Limit State
SMAW	Shielded Metal Arc Welding
SMSS	Super Martensitic Stainless Steel
SML	Seamless (pipe)
SMTS	Specified Minimum Tensile Strength
SMYS	Specified Minimum Yield Stress
SOHIC	Stress Oriented Hydrogen Induced Cracking
SRB	Sulphate Reducing Bacteria
SSC	Sulphide Stress Cracking
SSIV	Subsea Safety Isolation Valve
SWC	Stepwise Cracking
SZC	Soft Zone Cracking
TEG	Tri-Ethylene Glycol
TLP	Tension Leg Platform
TFL	Through Flowline
TMCP	Thermo-Mechanical Controlled Processing
TP	Tangent Point
TÜV	Technische Überwachungs Verein
ULS	Ultimate Limit State
UNECE	United Nations Economic Commission for Europe
UNS	Unified Numbering System
UOE	U-shaping, O-pressing, Expansion
UTC	Unit Transportation Cost
UV	Ultraviolet (radiation)
VIV	Vortex Induced Vibrations
WBC	Wet Buckle Contingency
WBS	Work Breakdown Structure
WC	Water Content
WT	Wall Thickness (steel)
XLPE	Cross-linked Polyethylene
3-RF	3-Roller Forming (7.2.4)