subroutine Pumps_StartUp
    use CPumpsVariables
    use CPumps
    use SimulationVariables
	IMPLICIT NONE
    
    
    !>>>>>>>>>>>>>>>>>>>>>>>  PUMP 1  <<<<<<<<<<<<<<<<<<<<<<<<<<<
    data%State%Pump(1)%FlowRatePerSTK  = data%Configuration%Pumps%MudPump1VolumetricOutput     !.1d0     ![bbl/stk]
    data%State%Pump(1)%RateChange      = data%Configuration%Pumps%MudPump1PumpRateChange                 ![stk/min2  ??] 
    data%State%Pump(1)%DelayToShutdown = data%Configuration%Pumps%MudPump1DelayToShutdown                ![min]
    data%State%Pump(1)%Mech_Efficiency = data%Configuration%Pumps%MudPump1MechanicalEfficiency           ![dimensionless]
    !data%State%Pump(1)%Vol_Efficiency = MudPump1VolumetricEfficiency         !bayad hazf beshe ?
    data%State%Pump(1)%Max_Pressure    = data%Configuration%Pumps%MudPump1MaximumPressure  !6000.d0      ![psi] 
    data%State%Pump(1)%MaxSPM          = data%Configuration%Pumps%MudPump1Maximum                        ![spm]
    data%State%Pump(1)%Trans_Ratio     = 965.d0/data%State%Pump(1)%MaxSPM
    data%State%Pump(1)%time_step       = 0.1d0                                                           !?????? niaz hast ya na??
    
    data%State%Pump(1)%RateChange = (data%State%Pump(1)%RateChange*data%State%Pump(1)%Trans_Ratio)/60.d0 ![rpm/s  ??]    24/60
    data%State%Pump(1)%DelayToShutdown = data%State%Pump(1)%DelayToShutdown/60.d0                        ![s]
    data%State%Pump(1)%K_throttle = 0
    data%State%Pump(1)%N_old      = 0.d0
    Call Pump_OffMode_Solver(1)  
    
    
    !>>>>>>>>>>>>>>>>>>>>>>>  PUMP 2  <<<<<<<<<<<<<<<<<<<<<<<<<<<
    data%State%Pump(2)%FlowRatePerSTK  = data%Configuration%Pumps%MudPump2VolumetricOutput     !.1d0     ![bbl/stk]
    data%State%Pump(2)%RateChange      = data%Configuration%Pumps%MudPump2PumpRateChange                 ![stk/min2  ??] 
    data%State%Pump(2)%DelayToShutdown = data%Configuration%Pumps%MudPump2DelayToShutdown                ![min]
    data%State%Pump(2)%Mech_Efficiency = data%Configuration%Pumps%MudPump2MechanicalEfficiency           ![dimensionless]
    !data%State%Pump(2)%Vol_Efficiency = MudPump2VolumetricEfficiency         !bayad hazf beshe ?
    data%State%Pump(2)%Max_Pressure    = data%Configuration%Pumps%MudPump2MaximumPressure  !6000.d0      ![psi] 
    data%State%Pump(2)%MaxSPM          = data%Configuration%Pumps%MudPump2Maximum                        ![spm]
    data%State%Pump(2)%Trans_Ratio     = 965.d0/data%State%Pump(2)%MaxSPM
    data%State%Pump(2)%time_step       = 0.1d0                                                           !?????? niaz hast ya na??
    
    data%State%Pump(2)%RateChange = (data%State%Pump(2)%RateChange*data%State%Pump(2)%Trans_Ratio)/60.d0 ![rpm/s  ??] 
    data%State%Pump(2)%DelayToShutdown = data%State%Pump(2)%DelayToShutdown/60.d0                        ![s]
    data%State%Pump(2)%K_throttle = 0
    data%State%Pump(2)%N_old      = 0.d0
    Call Pump_OffMode_Solver(2)
    
    
    !!>>>>>>>>>>>>>>>>>>>>>>>  PUMP 3  <<<<<<<<<<<<<<<<<<<<<<<<<<<
    data%State%Pump(3)%FlowRatePerSTK  = data%Configuration%Pumps%CementPumpVolumetricOutput     !.1d0     ![bbl/stk]
    data%State%Pump(3)%RateChange      = data%Configuration%Pumps%CementPumpPumpRateChange                 ![stk/min2  ??]
    data%State%Pump(3)%DelayToShutdown = data%Configuration%Pumps%CementPumpDelayToShutdown                ![min]
    data%State%Pump(3)%Mech_Efficiency = data%Configuration%Pumps%CementPumpMechanicalEfficiency           ![dimensionless]
    !data%State%Pump(3)%Vol_Efficiency = CementPumpVolumetricEfficiency       !bayad hazf beshe ?
    data%State%Pump(3)%Max_Pressure    = data%Configuration%Pumps%CementPumpMaximumPressure  !6000.d0      ![psi] 
    data%State%Pump(3)%MaxSPM          = data%Configuration%Pumps%CementPumpMaximum                        ![spm]
    data%State%Pump(3)%Trans_Ratio     = 965.d0/data%State%Pump(3)%MaxSPM
    data%State%Pump(3)%time_step       = 0.1d0                                                             !?????? niaz hast ya na??
    
    data%State%Pump(3)%RateChange = (data%State%Pump(3)%RateChange*data%State%Pump(3)%Trans_Ratio)/60.d0   ![rpm/s  ??] 
    data%State%Pump(3)%DelayToShutdown = data%State%Pump(3)%DelayToShutdown/60.d0                          ![s]
    data%State%Pump(3)%K_throttle = 0
    data%State%Pump(3)%N_old      = 0.d0
    Call Pump_OffMode_Solver(3)  
    
    
end subroutine Pumps_StartUp