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.
FCM fracture critical member
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
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 Interest
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
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