For subdivisions or main extensions wherein the owner constructs all the local sewers at applicant\'s cost for connection to the district system, a credit for such construction cost to be subtracted from the general connection charge may be made for all except the availability charge of five hundred, dollars per unit. The construction cost shall be those costs actually incurred for pipeline construction less lateral construction costs\' or an estimate thereof as approved by the manager. The total credit, however, shall never be more than the actual or estimated cost as approved by the manager.
(Ord. 77-42 § 809, 1977.)