Chapter 17.23
SUBDIVISION IMPROVEMENTS
Sections:
17.23.020 Required improvements.
17.23.050 Signs, subdivision names, and road names.
17.23.060 Sanitary sewer and water systems.
17.23.070 Additional water system requirements.
17.23.080 Additional sanitary sewer system requirements.
17.23.090 Approval and inspection.
17.23.100 Guarantee of required improvements.
17.23.110 Cost estimates for completion of required improvements.
17.23.010 Purpose.
The purpose of this chapter is to establish and define the improvements which will be required under the subdivision agreement to be constructed by the subdivider as a condition of final plat approval, to outline the procedures and responsibilities of the subdivider and public officials concerned with the administration, planning, design, construction, and financing of facilities and to establish procedures for assuring compliance with these requirements. (Ord. 90-03 § 1 (part), 1990.)
17.23.020 Required improvements.
Prior to the city’s granting approval of the final plat, the subdivider shall have installed or shall have furnished an adequate financial guarantee for the ultimate installation of the improvements required by this chapter, and all applicable ordinances, statutes, and regulations. (Ord. 90-03 § 1 (part), 1990.)
17.23.030 Monumentation.
A. All exterior corners of the subdivision shall be marked by permanent monuments set in the ground.
B. All exterior corners of each subdivision lot shall be permanently monumented. (Ord. 90-03 § 1 (part), 1990.)
17.23.040 Streets.
All streets and drainage structures shall be constructed in accordance with Chapter 17.19 of this title. (Ord. 90-03 § 1 (part), 1990.)
17.23.050 Signs, subdivision names, and road names.
A. Road and subdivision names shall not duplicate existing road or subdivision names in spelling or sound such that they may be confused with existing names.
B. Subdivision roads shall be identified and signed by the subdivider.
C. All roads shall be signed and signs installed in accordance with the most recent edition of the Alaska Traffic Manual.
1. Stop signs shall be installed at all collector and arterial road intersections within the confines of the subdivision.
2. All signs and sign support columns shall be of metal construction and conform to the State of Alaska Sign Code. (Ord. 90-03 § 1 (part), 1990.)
17.23.060 Sanitary sewer and water systems.
A. If the developer installs a community sewer or water system in an area in which the Dillingham sewer and water master plan anticipates the extension of city service within the design life of the system (fifteen years), community systems shall be compatible with and conform to the standards of city service systems so that they may easily be connected when services are extended to the area.
B. Where the sewer and water master plan indicates a specific size of water or sewer main or pipe to be used, the subdivider shall install the size recommended by the plan unless it would be inadequate and a larger size would better serve the development. (Ord. 90-03 § 1 (part), 1990.)
17.23.070 Additional water system requirements.
A. Where the city water system will service the subdivision, each lot within the subdivision shall be provided with a connection thereto and a mechanism by which it may be disconnected.
B. If any portion of the outside boundary of a proposed subdivision is located within two hundred feet of the city water system, the subdivision shall be served by the city water system.
C. If a subdivision will not be served by the city water system, the subdivider shall show that a safe water source is readily available, or shall provide a community water system in accordance with the Alaska Department of Environmental Conservation, and all applicable ordinances, statutes, and regulations.
D. Fire Hydrants.
1. In areas served by city water systems, fire hydrants shall be installed at each street intersection with intermediate hydrants located a maximum of three hundred feet apart in high value or high life areas such as industrial and commercial areas and in high density residential areas.
a. Water main valves shall be a minimum of five hundred feet apart in these areas;
b. The use of long radius elbows and low friction loss connectors shall be required.
2. In predominantly single-family residential areas, fire hydrants shall be installed at each street intersection with intermediate hydrants located so that spacing does not exceed five hundred feet apart.
a. Water main valves shall be a minimum of eight hundred feet apart in these areas.
b. The use of long radius elbows and low friction loss connectors shall be required. (Ord. 90-03 § 1 (part), 1990.)
17.23.080 Additional sanitary sewer system requirements.
A. Where the city sewer system is available within two hundred feet of the proposed subdivision, the subdivider shall provide for connection to the city system, and shall supply both collectors and laterals and the required manholes and pump stations.
B. The subdivider must prove that conventional individual septic systems can be used without endangering the health, safety, and general welfare of any person or persons on each proposed residential lot within the subdivision, or shall indicate on the face of the plat which lots cannot be served by conventional individual septic systems, or shall construct a community sewer system. All systems shall be constructed and installed in accordance with the requirements of the Alaska Department of Environmental Conservation and all applicable ordinances, statutes, and regulations. (Ord. 90-03 § 1 (part), 1990.)
17.23.090 Approval and inspection.
A. The city shall approve the quality and installation of all improvements which will be dedicated to the city.
B. The city shall inspect all improvements to insure that the requirements of this chapter are met. (Ord. 90-03 § l (part), 1990.)
17.23.100 Guarantee of required improvements.
A. Before considering the final plat of a subdivision, the planning commission in the case of standard plats and the planning director in the case of abbreviated plats must verify that all required subdivision improvements have been constructed as required by this code.
B. If the required improvements have not been completed and officially approved and accepted, the subdivider shall be required to include with the final plat a guarantee for the ultimate installation of required improvements. The guarantee will be subject to the condition that the improvements will be completed within two years after the approval of the final plat.
C. The subdivider shall guarantee the improvements by one of the following methods.
1. Performance Bond.
a. The developer may furnish and file with the city clerk a surety bond in an amount equal to the cost estimate of the required improvements as specified by the city to assure the actual construction of such improvements within two years of final plat approval. Such bond shall be approved in amount and form by the city.
b. When improvements are completed, inspected, and accepted, the city will return the full amount of the guarantee to the subdivider.
c. If the improvements are not completed within the specified two-year period, the city shall complete construction of the improvements with the guarantee.
d. Any amount of the guarantee in excess of the costs of completing the required improvements shall be returned to the subdivider; the subdivider shall be charged with any amount in excess of the original guarantee.
2. Bank Deposit or Certificate of Deposit.
a. The subdivider may post a bank deposit held in trust for the city or may post a certificate of deposit for the city to guarantee the completion of required subdivision improvements. The funds shall be held in an interest bearing account with the subdivider receiving interest payments.
b. If the developer fails to complete the required improvements within two years, funds sufficient to complete the improvements as required shall be released to the city on its demand up to the maximum amount of the deposit.
c. The bank deposit or certificate of deposit, as applicable, shall be made payable or issued to the city of Dillingham. The funds shall remain on deposit available to the city until the city notifies the bank in writing of its acceptance of the required subdivision improvements. (Ord. 90-03 § l (part), 1990.)
17.23.110 Cost estimates for completion of required improvements.
The subdivider shall furnish, at no expense to the city, cost estimates for completion of all required subdivision improvements. Where plans must be prepared by a registered, licensed engineer according to Section 17.07.060, cost estimates shall be certified by a registered engineer licensed in the state. (Ord. 90-03 § 1 (part), 1990.)