Customer stated that there was a leak on cast-iron piping. Gave customer options to fix cast-iron piping. Also, customer mentioned that there was hammering sounds coming from waterline. Tested pressure to home and pressure is at 60 psi and street pressure is about 85 to 90 psi. Send customer this may be a step-by-step and recommended to have PRV replaced first. If customer proceeds with any estimate, there will be a credit of $49 back.