/// <summary>
/// PipeLife is a method to calculate and set the life of a pipe based on the pipe material.
/// </summary>
/// <param name="mater">provide the type of material from a predefined list of materials</param>
/// <returns></returns>
public static int PipeLife(TypesOfMaterials mater)
{
var plife = 0;
switch (mater)
{
case TypesOfMaterials.Corrugated_Iron_with_Tar_Lining:
case TypesOfMaterials.Iron:
case TypesOfMaterials.Masonry:
plife = 75;
break;
case TypesOfMaterials.Cast_Iron:
case TypesOfMaterials.Concrete:
plife = 60;
break;
case TypesOfMaterials.HDPE:
case TypesOfMaterials.Corrugated_Iron:
plife = 50;
break;
default:
break;
}
return(plife);
}
public static IEnumerable <Pipe> PipesByMaterial(TypesOfMaterials selectedMaterial)
{
List <Pipe> matchingPipes = new List <Pipe>(); //will store the newly found list of pipes that match the incoming criteria
foreach (var p in pipeCollection)
{
if (p.Material == (selectedMaterial))
{
matchingPipes.Add(p);
}
}
return(matchingPipes);
}
public static Pipe CreatePipe(TypesOfPipes temppipetypeselected, int tempmanholeID, decimal temppipeLength,
int tempdepth, TypesOfMaterials temppipematerialselected, decimal tempslope, bool tempcritinfra,
bool tempboolstruc, int tempmaintid)
{
//create a new object of type pipe
var newPipe = new Pipe()
{
Pipe_Type = temppipetypeselected, // set it to one of the enum type values.
Start_Manhole_ID = tempmanholeID,
Pipe_Length = temppipeLength,
Depth = tempdepth,
Material = temppipematerialselected,// set it to one of the enum type values.
Slope = tempslope,
Critical_Infrastructure = tempcritinfra,
Critical_Structure = tempboolstruc,
Maintenance_Records_ID = tempmaintid
};
//set the est_life using the class method PipeLife
newPipe.Est_Life = PipeLife(newPipe.Material);
// Store this new pipe into the collection created
pipeCollection.Add(newPipe);
return(newPipe);
}
// Pipe Age / Est_Life gives you a EEL - if EEL is closer to 1 then POF Coeff is higher(worse)
public static decimal CalculatePOF(DateTime InstallationDate, TypesOfMaterials Material, decimal Depth, int Est_Life)
{
decimal material_coeff = 0;
int pipe_age_value = 0;
decimal soil_type_value = 0;
decimal depth_coeff = 0;
decimal POFValue = 0;
int pipe_age = 0;
int est_life = 0;
int pipe_age_coeff = 0;
// Array material_arr = Enum.GetNames(typeof(TypesOfMaterials));
switch (Material)
{
case TypesOfMaterials.HDPE:
return(material_coeff = 1);
case TypesOfMaterials.PVC:
return(material_coeff = 2);
case TypesOfMaterials.Corrugated_Iron_with_Tar_Lining:
return(material_coeff = 2);
case TypesOfMaterials.Masonry:
return(material_coeff = 3);
case TypesOfMaterials.Corrugated_Iron:
return(material_coeff = 3);
case TypesOfMaterials.Cast_Iron:
return(material_coeff = 3);
case TypesOfMaterials.Concrete:
return(material_coeff = 3);
default:
break;
}
//pipe_age_coeff is got by dividing age by the estimated life.
pipe_age = (DateTime.Today).Year - InstallationDate.Year;
if (pipe_age / est_life <= 0.2)
{
pipe_age_coeff = 1;
}
else
{
if (pipe_age / est_life > 0.2 && pipe_age / est_life <= 0.5)
{
pipe_age_coeff = 3;
}
else
{
if (pipe_age / est_life > 0.5 && pipe_age / est_life <= 0.8)
{
pipe_age_coeff = 4;
}
else
{
if (pipe_age / est_life > 0.8)
{
pipe_age_coeff = 5;
}
else
{
pipe_age_coeff = 0;
}
}
}
}
// checking the Depth to find the depth coefficient
if (Depth > 0 && Depth < 8)
{
depth_coeff = 1;
}
else
{
if (Depth >= 8 && Depth < 12)
{
depth_coeff = 1.5M;
}
else
{
if (Depth >= 12 && Depth < 16)
{
depth_coeff = 2.0M;
}
else
{
if (Depth >= 16 && Depth < 20)
{
depth_coeff = 2.5M;
}
}
}
}
//get the POF value and pass it back to calling program.
POFValue = material_coeff + pipe_age_value + soil_type_value + depth_coeff;
return(POFValue);
}
