Specifications include, but are not limited to: A. Routine Maintenance. Routine maintenance includes the daily monitoring of road assets and the work required to conform to the Specifications for Road Maintenance. 1. Work includes activities and response to conditions that are both predictable and unpredictable in nature. 2. Payment for routine maintenance shall be made on a per mile basis as shown on the Bid Form. B. Periodic Maintenance. Periodic maintenance is work typically performed at certain intervals to provide protection, decrease the rate of deterioration, and preserve integrity of road assets. 1. Periodic maintenance requires written authorization in the form of a Purchase Order (PO) from the Borough prior to commencing work. The amount of the PO cannot be exceeded without the Borough’s written approval. 2. The work is required to conform to the Specifications for Road Maintenance and the Alaska Department of Transportation & Public Facilities Standard Specifications for Highway Construction (2017). 3. The annual quantity of work can be reallocated every contract year to meet the needs of the RSA. 4. Payment for Periodic Maintenance shall be made at the contract unit price for the quantity of authorized work completed and accepted during the billing cycle. C. Public Construction. Public Construction is work that includes rehabilitation, alteration, extension, or repair of roadways. 1. Public construction requires written authorization in the form of a PO from the Borough prior to commencing work. The amount of the PO cannot be exceeded without the Borough’s written approval. 2. The annual quantity of work can be reallocated every contract year to meet the needs of the RSA. 3. Payment for Public Construction shall be made at the contract unit price for the quantity of authorized work completed and accepted during the billing cycle. 4. Public construction work shall not pay less than the current prevailing wage rates as described in Alaska Statute 36.05. 5. The work is required to conform to the Alaska Department of Transportation & Public Facilities Standard Specifications for Highway Construction (2017)