public override void SetDefaults()
{
tHDesign = THDesignOptions.Envelopes;
numCurves = 24;
numPoints = 11;
minEccen = true;
patLLF = 0.75F;
uFLimit = 0.95F;
seisCat = 'D';
phiT = 0.9F;
phiCTied = 0.65F;
phiCSpiral = 0.7F;
phiV = 0.75F;
phiVSeismic = 0.6F;
phiVJoint = 0.85F;
}