工程常用缩写

Engineering abbreviation
A Air
A/C Air Conditioner
A/D Analog/Digital
A/G Above Ground
ABPR Animal Byproducts
ABS Acylonitrile Butadiene Styrene
ABS American Bureau of Shipping
ABWR Advanced Boiling Water Reactor
AC Alternating Current
AC Asphalt Concrete
ACARP Australian Coal Association Research Program ACCU Air Cooled Condensing Unit
ACI American Concrete Institute
ACS American Construction Society
ACT Automatic Custody Transfer
AD Acid Drain
AD Anaerobic Digestion
ADC Average Daily Consumption
ADIP Amino Di Isopropanol
ADM Arrow Diagram Method
ADR Aluminium Dome Roof
AEDC Award Engineering/Design Contract
AFBMA Anti Friction Bearing Manufacturers Association AFC Automatic Frequency Control
AFFF Aqueous Film Forming Foam
AFNOR Association Francaise de Normalisation
AFR Average Flow Rate
AGA American Gas Association
AGC Associated General Contractors
AGC Automatic Generation Control
AGMA American Gear Manufacturers Association
AH Acid Hydrocarbon
AH Arabian Heavy
AHU Air Handling Unit
AI Artificial Intelligence
AIHA American Industial Hygiene Association
AISC American Institute of Steel Construction
AISI American Iron and Steel Institute
AL Aluminium
AL Arabian Light
ALARA As Low As Reasonably Achievable
ALARP As Low as Reasonably Practicable
ALE Abnormal Level Earthquake
ALP Articulated Loading Platform
ALS Accidental Limit State
AM Amplitude Modulation
AM Arabian Medium
AMH Actual Manhour
AMRS Advanced Mobile Radio System
ANP Acid Neutralisation Pit
ANSI American National Standards Institute
AOF Absolute Open Flow
AOV Air Operated Valve
APCS Approved Protective Coating System
APD Automated Piping Design
API American Petroleum Institute
APS Applications Software
AS Acid Sewer
ASB Asymmetrical Beam
ASCE American Society of Civil Engineers
ASCII American Standard Code for Information Interchange ASD Allowable Stress Design
ASHRAE American Society of Heating, Ventilation and Air C ASME American Society of Mechanical Engineers
ASP Aluminium Steel Polyethylene
ASTM American Society for Testing and Materials
ATB All Trunks Busy
ATF Alternative Transport Fuels
ATM Atmospheric
ATM Atmosphere
AUP Average Unit Price
AUT Automated Ultrasonic Testing
A V
B Atmospheric Vacuum Breaker
A VG Average
AW Acid Waste
AWEA American Wind Energy Association
AWG American Wire Gauge
AWO Additional Work Order
AWPA American Wood Preservers Association
AWS American Welding Society
AWW A American Water Works Association
B&S Bell and Spigot
Bolt Circle Diameter
BB Bolted Bonnet
BBD Boiler Blow Down
BBE Bevel Both Ends
BC Bolted Cover
BC Bolt Circle
BCSA British Constructional Steelwork Association
BD Bolt Down
BDR Blast Design Requirement
BDT Bulk Data Transfer
BE Beveled End
BEAST Building Evaluation and Screening Tool
BEDD Basic Engineering Design Data
BEE Bundesverband Erneuerbare Energie
BEP Break Even Production
BEV Break Even Value
BF Blind Flange
BFD Block Flow Diagram
BFP Backflow Prevention
BFW Boiler Feed Water
BH Borehole
BICSI Building Industry Consulting Services Internationa BIOX Biological Oxidation
BL Battery Limit
BLD Blind
BLDG Building
BLE Bevel Large End
BLEVE Boiling Liquid Expanding V apor Explosion
BM Bending Moment
BMS Burner Management System
BO Build, Operate
BOB Bottom of Barrel
BOD Barrels per Operating Day
BOD Biochemical Oxygen Demand
BOE Bevel One End
BOF Bottom of Foundation
BOM Bill of Material
BOO Build, Own, Operate
BOOT Build, Own, Operate, Transfer
BOP Bottom of Pipe
BOP Balance of Plant
BOPD Barrels of Oil Per Day
BOS Balance of System
BOT Build, Operate, Transfer
BPCD Barrels per Calender Day
BPD Barrels Per Day
BPS Bytes per Second
BR Bronze
BRA Building Risk Assessment
BS British Standards
BS British Steel
BS Bio Sludge
BSD Building Standards Division
BSE Bevel Small End
BSI British Standards Institution
BST Baker-Strehlow-Tang
BTM Bottom
BTM Buoyant Turret Mooring
BTU British Thermal Unit
BU Business Unit
BW Butt Weld
BWEA British Wind Energy Association BWPD Barrels of Water per Day
C Centigrade; Celsius
C Chemical
C&I Controls and Instrumentation
C/R Construction/Repair
C/R Change Request
CA Caustic
CA Congested Area
CA Corrosion Allowance
CAD Computer Aided Design
CADD Computer Aided Drafting and Design CAE Computer Aided Engineering CALC Calculated
CALM Caternary Anchor Leg Mooring
CAM Congested Area Modelling
CAMA Centralised Automatic Message Accounting CAN/CSA Canadian Standards
CAO Certified Acceptance by Operations
CAPEX Capital Expenditure
CARE Conservation Accreditation Register for Engineers CAS Caustic Sewer
CAT Catalyst
CB Control Building
CBC Coupled Bonding Conductor
CBNG Coal Bed Natural Gas
CBR California Bearing Ratio
CBS Controllable Bent Sub
C-C Centre to Centre
CCC Comodity Classification Code
CCEI Common Class Expansion Indices
CCIR International Radio Consulative Committee CCIS Common Channel Interoffice Signalling
CCN Catalog Classification Number
CCO Current Cost Outlook
CCPS Centre for Chemical Process Safety
CCS Computer and Communication Services
CCS Compressor Control System
CCTV Closed Circuit Television
CD Chemical Drain
CD Closed Drain
CDC Central Dispatch Center
CDR Critical Design Review
CDS Central Dispatch System
CEMA Conveyor Equipment Manufacturers Association CFP Capital Facilities Plan
CFPE Chief Fire Prevention Engineer
CFR Code of Federal Regulations
CGA Compressed Gas Association
CGT Combustion Gas Turbine
CGTG Combined Gas Turbine Generator
CGTG Combustion Gas Turbine Generator
CHS Circular Hollow Section
CI Cast Iron
CIF Cost, Insurance, Freight
CIF Community and Industrial Facility
CIRIA Construction Industry Research and Information Ass CIS Contract Information System
CISHEC Chemical Industry Safety, Health and Environmental CJ Construction Joint
CJ Contraction Joint
CL Centre Line
CM Centimeter
CM Construction Manager
CMT Construction Management Team
CMU Concrete Masonry Units
CMAA Crane Manufacturers Association of America
CNC Computer Numerically Controlled
CNPP Country Nuclear Power Profiles
CO Change Order
CO Clean Out
COC Continuously Oily/Chemical Contaminated COGEN Combined Generation
COL Column
COLA Cost of Living Allowance
COMAH Control Of Major Accident Hazards
COMFAR Computer Model for Feasibility Analysis and Report CONC Concentric
CONN Connection
COT Character Orientated Terminal
COTS Commercial Off The Shelf
CPF Central Processing Facility
CPLG Coupling
CPT Cone Penetration Test
CPU Central Processing Unit
CPVC Chlorinated Polyvinyl Chloride
CR Computed Radiography
CR Chromium
CRS Centres
CRSI Concrete Reinforcing Steel Institute
CRT Cathode Ray Tube
CS Chemical Sewer
CS Construction Start
CS Carbon Steel
CSA Canadian Standards Association
CSIR Centre of Scientific and Industrial Research CSO Car Sealed Open
CSP Concentrated Solar Power
CSUD Construction Start Up Date
CSW Clean Surface Water
CSW Clean Storm Water
CT Coiled Tubing
CTI Cooling Tower Institute
CTOP Cracked Tip Opening Displacement
CTS Construction Technical Support
CU Copper
CW Chilled Water
CW Coated and Wrapped
CWO Chain Wheel Operator
CWP Cold Working Pressure
CWP Contractors Work Plan
CWR Continuous Welded Rail
CWR Cooling Water Return
CWS Cooling Water Supply
D&B Design and Build
D/C Direct Charge
D/P Differential Pressure
D-A Digital to Analog
DAF Dissolved Air Flotation
DASD Direct Access Storage Device
DAV Data Above V oice
dB Decibel
DB Design, Build
DB Duct Bank
dBA Decibels using the A-weighted scale
DBM Design Basis Memorandom
DBO Design, Build, Operate
DBOT Design, Build, Operate, Transfer
DBSP Design Base Scoping Paper
DC Direct Current
DCC Disaster Control Centre
DCLM Direct Charge List of Materials
DCS Distributed Control System
DDC Direct Digital Controller
DDD Direct Distance Dial
DEA Di Ethanol Amine
DEG Degree
DEL Direct Exchange Line
DEMA Diesel Engineers Manufacturers Association DFT Dry Film Thickness
DFW Deaerator Feed Water
DGA Di Glycol Amine
DI Ductile Iron
DIA Diameter
DID Direct Inward Dialling
DIF Dynamic Increase Factor
DIM Dimension
DIN Deutche Industrie Normen (German Standard) DM De-Mineralisation
DMS Dynamic Pile Monitoring
DMW Demineralised Water
DN Diameter Nominal (Metric)
DOBIS Dortmunder Bibliothekssystem
DOD Direct Onward Dialling
DOE Department of Energy
DOT Department of Transportation
DOX Direct Overhead Expense
DP Data Processing
DP Design Pressure
DP Dynamic Positioned
DP Dial Pulse
DPC Destination Point Code
DPDT Double Pole Double Throw
DPSR Data Processing Service Request
DRN Drain
DRP Distribution Requirement Planning
DS Downspout
DS Discipline Superintendent
DS Data Store
DS Drilling Sites
DSC Dye Solar Cells
DSI Digital Speech Interpretation
DSW Distilled Water
DT Design Temperature
DT Duct Trims
DTDR Dial Tone Delay Recorder
DTE Drill Through Equipment
DUV Data Under V oice
DVD Dedicated V oice Dispatch
DW Drinking Water
DWF Dry Weather Flow
DWG Drawing
DWT Dead Weight Tonnes
DWV Drain, Waste, Vent
E Exhaust Steam
E&I Electrical and Instrumentation
E&P Exploration and Production
EA Each
EAGE European Association of Geoscientists and Engineer EB Extended Bonnet
EC Eurocode
EC Eddy Current Testing (Examination)
ECC Eccentric
ECD Energy Conversion Device
ECL Established Column Line
EDH Electrical Duct Heater
EDM Engineering Department Manual
EDMS Electronic Document Management System
EDP Electronic Data Processing
EEMUA Engineering Equipment and Material Users Associati EF Entrance Facility
EF Evaluation Factor
EFD Engineering Flow Diagrams
EFRT External Floating Roof Tank
EFW Electric Fusion Welded
EHF Extra High Frequency
EI End Item
EIA Emergency Instrument Air
EIA Electronic Industries Association
EIA Environmental Impact Analysis
EIS Equipment Inspection Schedule
EIV Emergency Isolation Valve
EJ Expansion Joint
EL Elevation
ELE Extreme Level Earthquake
ELFEXT Equal Level Far End Cross Talk
ELL Elbow
ELLIP Elliptical
ELSBM Exposed Location Single Buoy Mooring
EMC Electromagnetic Compatibility
EMD Electric Motor Drive
EMI Electromagnetic Interference
EMT Electrical Metallic Tubing
EOL Elbolet
EOR Enhanced Oil Recovery
EOT Electric Overhead Travelling
EPDM Ethylene-Propylene-Diene Terpolymer / EP Rubber
EQ Equal
ER Expenditure Request
ER Equipment Room
ERC Expenditure Request Completion
ERL Echo Return Loss
ERM Environmental Resource Management
ERPG Emergency Response Planning Guidelines
ERW Electric Resistance Welded
ESD Emergency Shutdown
ESDU Engineering Sciences Data Unit
ESL Established Site Level
ESO Engineering Service Organisation
ESO Engineering Service Order
ESP Ethane Separation Plant
ETA Estimated Time of Arrival
ETBE Ethyl Tertiary Butyl Ether
ETLP Extended Tention Leg Platform
ETPR Extended Thermal Plastic Rubber
ETS Emissions Trading Scheme
EW Eye Wash
EWA Extra Work Authorisation
EWH Electric Water Heater
EWO Engineering Work Order
F Fahrenheit
FAB Fabricate
FAO Food and Agriculture Organisation of the United Na FAT Factory Acceptance Test
FBE Fusion Bonded Epoxy
FBE Flange Both Ends
FBHP Flowing Bottom Hole Pressure
FCAW Flux Cored Arc Welding
FCC Field Control Coordinator
FCC Fluid Cat Cracker
FCO Floor Clean Out
FD Floor Drain
FD Dynamic Force
FDM Frequency Division Multiplexing
FDN Foundation
FDS Fire Detection System
FE Finite Elements
FEA Finite Element Analysis
FED STD Federal Standard
FEM Finite Elements Modelling
FEP Perfluoro (Ethylene-Propylene) Copolymer
FES Flywheel Energy Storage
FF First Flush
FF Foundation Fieldbus
FF Finished Floor
FF Flat Face
F-F Face to Face
FFL Finished Floor Level
FFP First Flush Pond
FFS Fitness For Service
FFW Field Fillet Weld
FG Fuel Gas
FGH High Pressure Fuel Gas
FGL Finished Ground Level
FGL Low Pressure Fuel Gas
FGRS Flare Gas Recovery System
FI Indicating Flow Meter
FIG Figure
FIN Finish
FLE Flexible Large End
FLEX Flexible
FLG Flange
FLNG Floating Liquified Natural Gas
FLO Flushing Oil
FLP Floating Loading Platform
FM Factory Mutual
FM Frequency Modulation
FMR Field Material Requisition
FMU Fitting Make Up
FNPT Female National (Taper) Pipe Threads FO Fuel Oil
FOB Flat on Bottom
FOE Flange One End
FOF Face of Flange
FOT Fiber Optic Transmission
FOT Flat on Top
FP Full Port
FPE Fair Price Estimate
FPS Floating Production System
FR&P Form, Rebar and Pour
FRED Fire Release Explosion Dispersion FRL Finished Road Level
FRP Fibreglass Reinforced Plastic
FRP Fibre Reinforced Plastic
FS Finished Surface
FS Feasibility Study
FS Forged Steel
FS Flow Switch
FS Factor of Safety
FSE Flange Small End
FSO Floating Storage and Offloading
FT Foot, Feet
FTG Fitting
FTSPM Fixed Tower Single Point Mooring
FV Full Vacuum
FW Fillet Weld
FW Fire Water
FWHP Flowing Well Head Pressure
FWHT Flowing Well Head Temperature
FAA Federal Aviation Administration
G Gram
GA General Arrangement
GA Gauge
GALV Galvanised
GASMO Gulf Arab Standards and Measurement Organization GBE Groove Both Ends
GC Gas Cromatograph
GE Groove End
GEA Geothermal Energy Association
GESC General Engineering Services Contract
GFRP Glass Fibre Reinforced Plastic
GG Gart Gas
GHG Green House Gas
GI General Instruction
GIM Global Interface Meeting
GIP Gas Injection Plant
GJ Ground Joint
GLE Groove Large End
GMAW Gas Metal Arc Welding
GMP Guaranteed Maximum Price
GO Gear Operator
GOE Groove One End
GOM Gulf of Mexico
GOR Gas Oil Ratio
GOS Grade of Service
GOSP Gas Oil Seperation Plant
GPF General Planning Forecast
gpm Gallons per Minute
GPS Global Positioning System
GR Grade
GRND Ground(ed)
GRP Glass Reinforced Plastic
GS Gravity Sewer
GSE Groove Small End
GSI Geological Strength Index
GSKT Gasket
GSPD General Service Plant Depreciation GSPR General Service Potential Rise
GSS Gravity Sewer System
GSV Gross Standard V olume
GTAW Gas Tungsten Arc Welding
GTE General Telephone and Electronics GT-MHR Gas Turbine Modular Helium Reactor GWR Guided Wave Radar
H Horizontal
H Hydrogen
H2S Hydrogen Sulphide
HAZ Heat Affected Zone
HAZID Hazard Identification
HAZOP Hazard and Operability Study
HB Hose Bibb
HB Hardness Brinell Scale
HCL Hydrochloric Acid
HD Head
HD Heavy Density
HD Holding Down
HDB Hydrostatic Design Basis
HDPE High Density Polyethylene
HDR Header
HE Heat Exchanger
HEX Hexagonal
HF Hard Faced
HF High Frequency
HI Hydraulic Institute Standard
HIC Hydrogen Induced Cracking
HIPS High Integrity Protection System
HK Hardness Knoop Scale
HLT Heap Leach Trial
HMI Human Machine Interface
HO High Order
HO Hydraulic Oil
HOV Hydraulic Operated Valve
HP High Pressure
HP High Point
HPFS High Point Finished Surface
HPG Hyperion Power Generation
HPP High Point Paving
HPPT High Pressure Production Trap
HPTT High Pressure Test Trap
HPAAS High Pressure Air Assist System
HR Human Resources
HR15N Hardness Rockwell 15N Scale
HRB Hardness Rockwell B Scale
HRC Hardness Rockwell C Scale
HRSG Heat Recovery Steam Generator
HSE Health Safety & Environment
HSFG High Strength Friction Grip
HSG Hydrogen Sulphide Gas
HT Heat Treatment
HU Humidifier
HV High V oltage
HV Hardness Vickers Scale
HV AC Heating Ventilation Air Conditioning
HVL Highly Volatile Liquid
HW Hand Wheel
Hz Hertz
I&C Instrumentation and Controls
I/O Input/Output
IA Instrument Air
IALA International Association of Lighthouse Authoritie IAMG International Association for Mathematical Geology IAPMO International Association of Plumbing and Mechani IASS Interantional Association for Shell and Spacial St IBBM Iron Body Bronze Mounted
IBC International Building Code
IBN Institute Beige de Normalisation
IBPS Intermediate Booster Pump Station
IC Intermediate Cross Connect
ICD Interface Control Document
ICD Inflow Control Devices
ICE Institution of Civil Engineers
ICEA Insulated Cable Engineers Association
ICPR Interantional Concrete Repair Institute
ICV Inflow Control Valve
ID Inside Diameter
ID Inch Diameter
IDA International Development Association
IEC International Electrotechnical Commision IEEE Institute of Electrical and Electronics Engineers IF Inertial Filter
IF Intermediate Frequency
IFB Issue for Bid
IFC International Fire Code
IFC Issued For Construction
IFR Internal Floating Roof
IGCC Integrated Gasification Combined Cycle
IL Invert Level
ILD Instrument Loop Diagram
ILO International Labour Organisation
IM Intermodulation
IMC International Mechanical Code
IMO International Maritime Oraganization
IMS Information Management System
IMTS Improved Mobile Telephone System
IN Inch
INS Insulation
INT. Internal
INTIB Industrial and Technological Information Bank IP Interface Point
IPC International Plumbing Code
IPPT Intermediate Pressure Production Trap
IPS Intermediate Pump Station
IPTI International Petroleum Technology Institute IR Industrial Relations
IR Infrared
IREC Interstate Renewable Energy Council
IRHD International Rubber Hardness
IRIS International Reactor Innovative and Secure IRM Inspection, Repair and Maintenance
IRR Internal Rate of Return
ISA Instrument Society of America
ISA International Society for Measurement and Control ISBL Inside Battery Limits
ISD Instrument Segment Diagram
ISF Industrial Support Facilities
ISLT Indian Spring Low Tide
ISNRS Inside Screw Non Rising Stem
ISO Isometric Drawing
ISO International Standards Organization
ISO International System Standard
ISRS Inside Screw Rising Stem
ISS Instrument Specificaton Sheet
ISTRUCTE Institution of Structural Engineers
IT Information Technology
ITB Invitation to Bid
ITCS Impact Tested Carbon Steel
ITP Inspection and Test Plans
ITS Indirect Tensile Strength
IWA Individual Work Area
JDA Joint Development Agreement
JE Joint Efficiency
JIS Japanese Standards Association
JV Joint Venture
KCS Killed Carbon Steel
KG Kilogram
KO Knock Out
KPA Kilopascals
L Length
L/M List of Materials
LAN Local Area Network
LAT Lowest Astronomical Tide
LCC Life Cycle Cost
LCD Liquid Crystal Display
LDF Lay Down in Field
LDPE Low Density Polyethylene
LED Light Emitting Diode
LEL Lower Explosive Limit
LFCP Local Fire Control Panel
LFGTE Landfill Gas To Energy
LFL Lower Flammable Limit
LIBIS Leuvens Integraal Bibliotheek System
LJ Lap Joint
LLP Last Landed Price
LMTD Log Mean Temperature Difference
LO Lube Oil
LOB Limited Open Book
LODMAT Lowest One Day Mean Atmospheric Temperature LP Low Pressure
LPCPD Litres Per Capita Per Day
LPD Loss Prevention Department
LPDCPD Litres Per Dental Chair Per Day
LPDT Low Pressure Degassing Tank
LPFS Low Point Finished Surface
LPG Liquified Petroleum Gas (Propane and Butane) LPG Liquified Petroleum Gas
LPHPD Litres Per House Per Day
LPP Low Point Paving
LPPT Low Pressure Production Trap
LPSMPD Litres Per Capita Square Meter Day
LPT Liquid Penetrant Test
LPT Low Point
LR Long Radius
LRFD Load and Resistance Factor Design
LS Lump Sum
LS Lifting Station
LS/PM Lump-sum Procure/Build
LSPB Lumpsum, Procure, Build
LT Lead Time
LTE Long Tangent Elbow
LUP Land Use Permit
LV Low V oltage
LVL Level
LWN Long Welding Neck
M Meter
M/E Mechanical/Electrical
mA Milliampere
MACs Moves, adds, changes
MAG Metal Active Gas Welding
MATICS Material Inventory Control System MAWP Maximum Allowable Working Pressure MAX Maximum
MBCD Thousand barrels per Calender Day MBD Thousandd Barrels per Day
MBOD Thousand barrels per Operating Day
MC Main Cross Connect
MCC Mechanical Completion Certificate MCT Multi Cable Transit
MD Measured Depth
MDEA Methyl-di-ethynol amine
MDMT Minimum Design Metal Temperature MDOF Multi Degree of Freedom
ME Methanol
ME Manufacturing Engineering
MEA Mono Ethanol Amine
MESG Maximum Experimental Safe Gap
MF Meter Factor
MFAP Membrane Filtration Affinity Purification MFCL Material Flow Control List
MFG Manufacturer
MFS Maximum Flooding Surfaces
MH Man Hole
MHA Motor Head Assembly
MI Malleable Iron
MIC Minimum Ignition Current
MICA Materials Investment Control Analyst MIG Metal Inert Gas Welding
MIN Minimum
MISC Miscellaneous
MJ Movement Joint
MJ Mechanical Joint
MMA Manual Metal Arc Welding
MMI Man Machine Interface
MMS Minerals Management Service
MMscfd Million standard cubic feet per day MNPT Male National (Taper) Pipe Threads
MO Molybdenum
MO Mist Oil
MOD Ministry of Defence
MODU Mobile Offshore Drilling Unit
MOF Materials Offloading Facility
MOPU Mobile Offshore Production Units
MOSAIC Materials on Order Status Analysis Information and MOT Ministry of Transport
MOU Memorandom of Understanding
MOU Mobile Offshore Unit
MOV Motor Operated Valve
MP Magnetic Particle Testing
MPFM Multiphase Flow Meter
MPMS Manual of Petroleum Measurement
MPP Manpower Projection Plan
MPTA Mechanical Power Transmission Association
MR Material Requisition
MRC Maximum Reservoir Contact
MRF Manpower Requirements Forecast
MRO Maintenance Repair Operations
MS Mild Steel
MSC Maximum Sustained Capacity
MSC Metering Supervisory Computer
MSD Material Selection Diagram
MSDS Material Safety Data Sheet
MSE Material System Enhancements
MSIS Material Supply Information Systems
MSL Mean Sea Level
MSO Material Supply Organisation
MSS Manufacturers Standardization Society
MT Magnetic Particle Testing (Exam)
MTBE Methyl Tertiary Butyl Ether
MTBF Mean Time Between Failures
MTL Material
MTO Material Take Off
MTR Material Test Report
MTS Material Teleprocessing System
MW Megawatt
MW Groundwater Monitoring Well
MW Microwave
MWO Maintenance Work Order
MWP Major Work Phase
MxF Male by Female
N Nitrogen
N/A Not Applicable
NACE National Association of Corrosion Engineers NBR Nitrile-Butadiene/Nitrile of BunaN Rubber NCCI Non Contradictory Complimentary Information NCR Non Conformance Report
NCU National Currency Unit
NDE Non Destructive Examination
NDE Net Direct Expenditure
NEC National Electrical Code
NEI Nuclear Energy Institute
NEMA National Electrical Manufacturers Association NESC National Electric Safety Code
NEXT Near End Cross Talk
NFPA National Fire Protection Association
NG-BUE Non Gaussian Best Unbiased Estimate
NGL Natural Gas Liquids
NGLC Natural Gas Liquids Centre
NHA National Hydrogen Association
NI Nickel
NIPP Nipple
NIR Near Infrared
NMC Network Maintenance Centre
NOABL National Wind Speed Database
NOC National Oil Company
NOCC Networks Operations Control Centre
NOCC Network Operations Control Centre
NPL Neutral Pressure Level
NPS Nominal Pipe Size
NPSH Net Positive Suction Head
NPSHA Net Positive Suction Head Available
NPSHR Net Positive Suction Head Required
NPT National (Taper) Pipe Thread
NPV Net Present V alue
NPVR Net Present V alue Ratio
NRC Nuclear Regulatory Commission
NRS Non-Rising Stern
NRTL Nationally Recognised Testing Laboratory NSF National Sanitation Foundation
NSSS National Structural Steelwork Specification
NTS Not to Scale
O&G Oil and Gas
O&R Overhaul and Repair
OAT Operational Availability Test
OBE Open Book Estimate
OCIMF Oil Companies International Marine Forum OCMA Oil Companies Materials Association
OD Outside Diameter
OGOEAD Oil and Gas Operations Exploration Applications Di OH On Hand Quantity
OHS Occupational Health and Safety
OIO Operational Investment Overhead
OO On Order Quantity
OPEC Organisation of the Petroleum Exporting Countries OPEX Operating Expenditure
ORGANIGRAM Organisational Diagram
ORIF Orifice
OS On Stream
OS Oppurtunity Study
OS Oily Sludge
OS&Y Outside Screw and Yoke
OSBL Outside Battery Limits
OSHA Occupational Safety and Health Administration OSI Onstream Inspection
OSP Oil Supply Planning and Scheduling
OT Orienting Tool
OTK Oil Tank
OTM Overturning Moments
OW Oily Water
OWP Oily Waste-Water Pond
OWPU Oily Water Pre-seperator Unit
OWS Oily Water Sewer
OWSJ Open Web Steel Joist
P Oil and Oil Products
P&IC Purchasing and Inventory Control
P&IDs Process and Instrument Diagrams
P/E Planning Engineer
P/E Project Engineer
P/L Pipe Line
PA Process Air
PARA Paragraph
PATIS Purchasing and Traffic Information System PAW Plasma Arc Welding
PB Process Block
PBE Plain Both Ends
PBMR Pebble Bed Modular Reactor
PCA Portland Cement Association
PCB Printed Circuit Board
PCC Powder Control Centre
PCCI Power Capital Costs Index
PCI Precast/Prestressed Concrete Institute
PCL Project Construction Leader
PCOS Project Completion System
PCPT Piezocone Penetrometer
PCS Project Completion Schedule
PCS Process Control System
PDC Peak Daily Consumption
PDM Precedence Diagram Method
PDMS Petroleum Database Management System PDO Plan for Development and Operation
PDP Plasma Display Panel
PDR Preliminary Design Review
PDS Plant Design System
PE Pond Effluent
PE Plain End
PE Polyethylene
PELFEXT Power Sum Equal Level Far End Cross Talk PEM Project Execution Manual
PEP Project Execution Plan
PERT Program Evaluation and Review Techniques PES Power and Energy Society
PES Potential Explosion Site
PETROMIN Petroleum and Mineral
PF Peak Factor
PFA Perfluoro (Alkoxyalkane) Copolymer
PFC Parallel Flange Channel
PFC Predicted Final Cost
PFD Process Flow Diagram
PFR Peak Flow Rate
PG Purge Gas
PGA Peak Ground Acceleration
PHC Peak Hourly Consumption
P-I Pressure Impulse
PIB Process Interface Building
PIC Indicating Pressure Controller
PIP Process Industry Practise
PIP Pipe in Pipe
PIV Post Indicator Valve
PL Plate
PLC Power Line Carrier
PLC Programmable Logic Controller
PLE Plain Large End
PM Project Manager
PM&C Project Management and Construction
PMC Project Management Contract
PMI Positive Material Identification
PMS Project Management Services
PMSC Project Management Services Contract PMSD Project Materials Supply Department PMSO Project Material Services Organisation PMT Project Management Team
PO Pump Out
PO Purchase Order
PO Pushed On
POC Potentially Oil/Chemical Contaminated POE Plain One End
POM Pipeline Operations Module
POOH Pulled Out of Hole
POS Point of Support
PP Project Proposal
PP Polypropylene
PPB Parts per Billion
PPI Plastics Pipe Institute
PPM Parts per Million
PR Purchase Requisition
PR Pressure Reducer
PR Pipe Rack
PRE-FAT Pre-Factory Acceptance Test。