Abbreviations and Acronyms

Abbreviations and Acronyms
°C	degrees Celsius
°F	degrees Fahrenheit
1-D	one dimensional
2-D	two-dimensional
3-D	three-dimensional
AADT	annual average daily traffic
AASHTO	American Association of State Highway and Transportation Officials
ABC	Accelerated Bridge Construction
ADA	Americans with Disabilities Act
ADD	Addendum
ADT	average daily traffic
ADTT	average daily truck traffic
AHP	Analytic Hierarchy Process
APD	accelerated project delivery
AREMA	American Railway Engineering and Maintenance-of-Way Association (but this manual uses the acronym to refer to the AREMA Manual for Railway Engineering)
ASCE	American Society of Civil Engineers
ASR	alkali-silica reaction
ATON	aids to navigation
AWS	American Welding Society
BFE	Base Flood Elevation
BMS	Bridge Management System
BOEF	Beam on elastic foundation
CADD	computer-aided design and drafting
CAPWAP	Case Pile Wave Analysis Program
CCA	chromate copper arsenate
CCNS	closed cell neoprene sponge
CE	carbon equivalent
CFA	continuous flight auger
CFR	Code of Federal Regulations
CFRP	carbon fiber reinforced polymer
CJP	complete joint penetration
CLOMR	conditional letter of map revision
CMS	Changeable Message Signs
CPM	Critical Path Method
CPT	Cone Penetrometer Tests
CSE	copper-sulfate half-cell electrode
CTP	Capital Transportation Program
DCDPF	Design and Construction of Driven Pile Foundations
DEF	delayed ettringite formation
DelDOT	Delaware Department of Transportation
DEM	Digital Elevation Model
DGM	Design Guidance Memorandum
DHV	Design Hourly Volume
DMS	Dynamic Message Sign
DMT	Dilatometer Test
DNREC	Department of Natural Resources and Environmental Control
DRBA	Delaware River and Bay Authority
DRC	Design Resource Center
EAP	Emergency Action Plan
EM	Electromagnetics
EOR	Engineer of Record
EPS	expanded polystyrene
ERDC	Engineer Research and Development Center
ESRI	Environmental Systems Research Institute, Inc.
FEMA	Federal Emergency Management Agency
FHWA	Federal Highway Administration
FIS	Flood Insurance Study
ft	feet
FTP	File Transfer Protocol
GeoHMS	Geospatial Hydrologic Modeling Extension
GIS	geographic information system
GPR	Ground Penetrating Radar
GRS/IBS	Geosynthetic Reinforced Soil / Integrated Bridge System
GUI	graphical user’s interface
H:V	Horizontal:Vertical
HDPE	high density polyethylene
HEC	Hydraulic Engineering Circular or Hydrologic Engineering Center
HEC-HMS	Hydrologic Engineering Center Hydrologic Modeling System (U.S. Army Corps of Engineers)
HEC-RAS	Hydrologic Engineering Center River Analysis System (U.S. Army Corps of Engineers)
HEC-SSP	Hydrologic Engineering Center Statistical Software Package
HFAWG	Hydrologic Frequency Analysis Work Group
H&H	hydrologic and hydraulic
HLMR	high-load multi-rotational
HMA	hot-mix asphalt
HMWM	high molecular weight metharylate
HPS	high-performance steel
HW	headwater
IGM	Intermediate Geomaterial
IR	Infrared
LCCA	life-cycle cost analysis
LiDAR	light detection and ranging (remote sensing method)
LMC	latex modified concrete
LOC	limits of construction
LOMR	Letter of Map Revision
LRFD	load and resistance factor design
LRFR	Load and Resistance Factor Rating
LTEC	least total expected cost
M&R	Material and Research
MAP-21	Moving Ahead for Progress in the 21st Century Act
MASH	Manual for Assessing Safety Hardware
MASW	Multi-channel Analysis of Surface Waves
MBE	Manual for Bridge Evaluation
MCFT	Modified Compression Field Theory
MHW	mean high water
MLW	mean low water
MOT	maintenance of traffic
MR&R	maintenance, repair, and rehabilitation
MSE	mechanically stabilized earth
NAVD 88	North American Vertical Datum of 1988
NBI	National Bridge Inventory
NBIS	National Bridge Inspection Standards
NCHRP	National Cooperative Highway Research Program
NCSPA	National Corrugated Steel Pipe Association
NEPCOAT	Northeast Protective Coating Committee
NFIP	National Flood Insurance Program
NHD	National Hydrography Dataset
NHS	National Highway System
NLF	No-load fit
NOAA	National Oceanic and Atmospheric Administration
NRCS	Natural Resources Conservation Service (formerly SCS)
NSBA	National Steel Bridge Alliance
NSTM	non-redundant steel tension member (formerly FCM)
OHW	Ordinary High Water
PBES	prefabricated bridge elements and systems
PCEF	Prestressed Concrete Committee for Economic Fabrication
PCI	Precast/Prestressed Concrete Institute
PCINE	Precast/Prestressed Concrete Institute Northeast
PDA	Pile Driving Analyzer
PDF	Adobe Acrobat Portable Document File
PDM	DelDOT Project Development Manual (2015)
PEP	plain elastomeric bearing pad
PoDI	Projects of Division Involvement
PMF	Probable Maximum Flood
PMT	Pressuremeter Test
PQR	Procedure Qualification Records
PS&E	plans, specifications, and estimate
PTFE	Polytetrafluoroethylene
QA	Quality Assurance
QC	Quality Control
QA/QC	Quality assurance / Quality control
RCRF	Reinforced Concrete Rigid Frames
RFI	request for information
RH	rehabilitate
RMR	Rock Mass Rating
RP	replace
RQD	Rock Quality Designation
S&O	Stewardship and Oversight
SASW	Spectral Analysis of Surface Waves
SCC	self-consolidating concrete
SCL	structural composite lumber
SCS	Soil Conservation Service
SDF	Spillway Design Flood
SDI	slake durability index
SDLF	steel dead load fit
SDR	structure data records
SHV	Specialized Hauling Vehicles
SIP	Stay-in-Place
SMS	(Aquaveo) Surface-Water Modeling System
SPMT	self-propelled modular transporters
SPT	Standard Penetration Tests
SRICOS-EFA	Scour Rate in Cohesive Soil – Erosion Function Apparatus
SRM	System Redundant Member
STU	Shock Transmission Unit
TDLF	total dead load fit
TIN	triangulated irregular network
TRB	Transportation Research Board
TS&L	type, size, and location
UDC	Unified Development Code (New Castle County)
UH	unit hydrograph
UHPC	ultra-high performance concrete
UIT	Ultrasonic Impact Treatment
USACE	U.S. Army Corps of Engineers
USBR	U.S. Bureau of Reclamation
U.S.C.	United States Code
USGS	U.S. Geological Survey
USGS SIR	USGS Scientific Investigations Report
VMS	Variable Message Signs
VST	Vane Shear Test
WDM	Watershed Data Management
WMS	Watershed Modeling System
WPS	Welding Procedure Specifications
WSE	water surface elevations
YS/TS	Yield strength/Tensile strength