Contractor cost-The amount paid by a public utility to a contractor for work performed on a line extension.
Direct labor cost-The pay and expenses of public utility employes directly attributable to work performed on line extensions, but does not include construction overheads or payroll taxes, workmen's compensation expenses or similar expenses.
Direct material cost-The purchase price of materials used for a line extension, but does not include related stores expenses. In computing direct material costs proper allowance should be made for unused materials, materials recovered from temporary structures, and discounts allowed and realized in the purchase of materials.
Maximum extension distance-The distance in feet below which a public utility will provide a line extension without imposing a charge on or requiring a revenue guarantee from the customer requesting the extension.
52 Pa. Code § 57.19
The provisions of this §57.19 issued under the Public Utility Code, 66 Pa.C.S. § § 331, 501, 504 and 1501.