Kent agreed to pay only upon the condition that the Reading pipe was installed, and McLaughlin concluded that Kent should not be required to pay unless the condition was performed. Thus, the doctrine of substantial performance does not apply to this particular situation.
In order for Kent to fulfill his obligation, he needed the Reading pipe to be installed. Following this, McLaughlin determined that Kent would not be liable unless the condition had been met. Consequently, the principle of substantial performance does not apply in this instance.