new appendix b
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7/30/2019 New Appendix B
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GENERAL SPECIFICATIONS FOR ROAD AND BRIDGE WORKS APPENDIX B
THE REPUBLIC OF UGANDA, MINISTRY OF WORKS, HOUSING AND COMMUNICATIONS PAGE B-1
APPENDIX B: ABBREVIATIONS
Wherever the following abbreviations of titles, terms andunits of measurement are used in the Standard and SpecialSpecifications or on the Drawings, the meaning shall be asdescribed hereunder.
Abbreviation Titles and TermsAASHTO American Association of State
Highway and Transportation OfficialsAADT annual average daily trafficA.C. alternate currentAC10, AC14, AC20 asphalt concrete (max. particle size
10 / 14 / 20 mm)ACV Aggregate Crushing ValueAIV Aggregate Impact ValueALD Average Least DimensionASTM American Society for Testing and
MaterialsBEMIX bitumen emulsion mixBS British StandardBS EN European StandardC0.7, C1.0, C1.5 cemented material (UCS min.
0.7 / 1.0 / 1.5 MPa)
CBR California Bearing RatioCML Central Materials LaboratoryCRR crushed aggregate base with
enhanced requirementsCRS crushed aggregate baseDBM30, DBM40 dense bituminous macadam
(max. particle size 20 / 40 mm)DIN Deutshe Ingineur NormeDR dump rockesa equivalent standard axle (8.16 ton)FBMIX foamed bitumen mixFI Flakiness IndexGC Grading CoefficientGM Grading ModulusG3, G7, G15 soils with CBR value min. 3 / 7 / 15%
for earthworksG30, G45, G60, G80 natural gravel with CBR value min. 30
/ 45 / 60 / 80% for pavement layersGVM gross vehicle massICL Initial Consumption of LimeISO International Standards OrganisationLAA Los Angeles AbrasionL.S. Lump Summax. maximumMC-30, MC-70 medium curing cut-back bitumenMDD maximum dry densitymin. minimumMoWHC Ministry of Works, Housing and
CommunicationsNo. numberOMC optimum moisture contentPSV Polished Stone ValuePVC polyvinyl chloride
SABITA Southern African Bitumen and TarAssociationSABS Southern African Bureau of
StandardsSATCC Southern African Transport
Coordinating CommissionSBR styrene-butadiene rubberSBS styren-butadiene-styreneSIS Swedish Standards InstituteSP Shrinkage ProduceSSS Sodium Sulphate SoundnessTFOT Thin Film Oven TestTFV Ten-percent Fines ValueTMH Technical Methods for Highways
TRH Technical Recommendations forHighways
TRL Transport Research LaboratoryUCS Unconfined Compressive StrengthUNBS Uganda National Bureau of StandardsUPS Uninterrupted Power Supply
Abbreviation Units of Measurement
C degree Celsius (Centigrade)g gramkg kilogramMg or ton metric tonne (1,000 kg)m metrekm kilometrecm centimetremm millimetresec secondmin Minutehr/hrs hour(s)N NewtonkN kilo Newton
A AmpereV VoltW or VA WattkW or kVA kilowatt
Hz Hertz (Frequency)Pa Pascal (N/m
2)
kPA kilo PascalMPa Mega Pascalm
2square meter
cm2
square centimetermm
2square millimetre
ha hectare (10,000 m2)
l litreml millilitrem
3cubic metre (1,000 l)
km/h kilometres per hourdegree angle