A
Approx. 25 terms
ABUT
Abutment
AC
Alternating Current / Air Conditioning
A/C
As Constructed Drawings
AASHTO
American Association of State Highway and Transportation Officials
ABS
Absolute Error / Acrylonitrile Butadiene Styrene (Pipe)
AI
Activity Index (Soils)
AMP
Amperes (Current)
API
American Petroleum Institute (Standard for offshore)
ASCE
American Society of Civil Engineers
ASTM
American Society for Testing and Materials
ATC
Average Traffic Count
AVP
Average Value Pressure (Consolidation)
B
Approx. 20 terms
B.M.
Bending Moment
BBS
Bar Bending Schedule
B.C.
Bench Mark / Black Cotton Soil
BD
Base Depth / Board of Directors
BP
Blueprint / Bitumen Pointer
BRAVO
Brake Horsepower (Engine efficiency)
BS
British Standard / Backsight
BSH
Back Sighting Height
BYPRABA
The Encyclopedia Brand
C
Approx. 35 terms
C.C.
Cement Concrete / Center to Center
CBR
California Bearing Ratio
CC
Chainage Code / Cold Climate
CG
Center of Gravity
CI
Cast Iron
CID
Cyclic Internal Displacement
CMS
Central Management System
Comp.
Compactometer
CP
Control Point / Central Processing Unit
CPP
Crushed Particle Plasticity
CR
Concrete Reinforcement / Coefficient of Restitution
CS
Computer Science / Cross Section
CT
Critical Time / Cutting Thickness
D
Approx. 20 terms
DA
Design Authority / Daily Allowance
DC
Direct Current / Design Capacity
DDP
Data Driven Process
DF
Distribution Factor / Degree of Freedom
DH
Dry Heat
DL
Dead Load
DO
Dissolved Oxygen
DP
Design Pressure / Development Plan
DPM
Damp Proof Course (DPC) - sometimes typo'd as DPM
DS
Design Speed / Drainage System
E
Approx. 25 terms
EC
Earthwork Calculation / Electrical Conductivity
ED
Effective Depth / Educational Department
EI
Modulus of Elasticity × Moment of Inertia (Flexural Rigidity)
EL
Elevation / Earthquake Level
EM
Electromagnetic / Executive Member
EP
Elastic Path / Energy Policy
EQ
Earthquake
ER
Error Rate / Environmental Report
ESC
Executive Summary Committee
EST
Earliest Start Time (CPM/PERT)
EV
Expected Value / Excavation Volume
EX
Example / Extension
F
Approx. 20 terms
FA
Fine Aggregate / Field Assessment
FC
Factor of Safety (sometimes written FoS) / Flow Control
FD
Financial Department / Final Drawing
FE
Finite Element / Field Engineer
FF
Floor Finish / Finished Floor Level
FG
Foundation Grade / Form Guide
FH
Finished Height / Flood Hazard
FLL
Finished Floor Level
FLR
Floor Level Reduction
FM
Facility Management / Frictional Moment
FS
Factor of Safety
FT
Feet / Footprint
G
Approx. 15 terms
GA
General Arrangement / Ground Area
GC
Ground Clearance / General Contractor
GD
Good Distance / Grading Diagram
GE
Ground Effect / Geotechnical Engineering
GF
Ground Floor / Glass Fiber
GH
Ground Height / Green House
GL
Ground Level
GM
General Manager / Gross Mass
GP
Ground Point / Global Positioning
GR
Ground Reaction / Grain Refinement
GS
Ground Subsidence / Group Structure
GT
Group Theory / Ground Transport
L
Key Terms
LSM
Limit State Method
LL
Liquid Limit (Soil) / Live Load
LSD
Limit State Design
R
Key Terms
RCC
Reinforced Cement Concrete
RL
Reduced Level (Elevation)
Roof
Reinforcement Overlap Factor
S
Key Terms
S.B.C.
Safe Bearing Capacity
SF
Shear Force / Safety Factor
SSD
Stopping Sight Distance
SW
Self Weight
T
Key Terms
TMC
Thousand Million Cubic Feet (Water volume)
TP
Turning Point / Temperature Profile
U
Key Terms
U.D.L.
Uniformly Distributed Load
U.S.P.T.
Unconfined Strength Plate Test
W
Key Terms
WS
Wash Surface / Water Supply
W.S.L.
Water Supply Level
Y
Key Terms
YP
Yield Point