ACRONYMS AND ABBREVIATIONS
AASHTO American Association of State Highway and Transportation Officials
ACI American Concrete Institute
ASME American Society for Mechanical Engineers
ASTM American Societyf or Testing and Materials
AWS American Welding Society
BOQ Bill of Ouantities
BS British Standards
C.C cement concrete
C.l cast iron
CBR California Bearing Ratio
cm centimetre
CN curve number(for SCS Unit Hydrograph method)
CPT cone penetration test
cum cubic metre
DFD design flood discharge
DTM digital terrain model
FAO Food and Agriculture Organization of the United Nations
FDC flow duration curve (Q-t)
FM fineness modulus
FRC flow rating curve (Q-H)
G.l. galvanized iron
g Gram
GOA Government of Afghanistan
HEC Hydrologic Engineering Center(of USACE)
HMS Hydrologic Modeling System
ICOLD International Commission on Large Dams
IDF inflow design flood
IDP Intensity, Duration, Probability (Freguency) Curves
IRDP Irrigation Restoration and Development Project
IRR Irrigation
IS Indian Standards
ISO International Organization for Standardization
IWRM integrated water resource management
kg Kilogram
kN Kilo Newton
kPa Kilo Pascal
LiDAR Light Detection and Ranging
LSI Large-scale Irrigation
m Metre
M.S. Mild Steel
MAIL Ministry of Agriculture, Irrigation, and Livestock
MDD maximum dry density
MEW Ministry of Energyand Water
mm Millimetre
MPa Mega Pascal
N Newton
N/mm2 MPa
NATM New AustrianTunnellingMethod
NWARA National Water Affairs Regulation Authority(formerlyMEW)
O&M Operation and Maintenance
PMF possible maximum flood
PVC Polyvinyl chloride
RCC Reinforced Cement Concrete
RCC Roller Compacted Concrete
RMR rock mass rating
RUSLE Revised Universal Soil Loss Eguation
SCS Soil Conservation Service (U.S. Department of Agriculture)
sl Systême international (d’unitês) or International system of units
ToR Terms of Reference
UH unit hydrograph
USA United States ofAmerica
USACE U.S. Army Corps of Engineers
USBR United States Bureau of Reclamation