A. Availability. Domestic, commercial and industrial sanitary sewer service is available within the corporate limits of the city of Safford under various conditions and limitations as hereinafter specified in this section.
B. Definitions. The following definitions are made for the purpose of this policy section:
Customer. A customer using sanitary sewer service at a given location shall be counted as a single customer even though he or she may be using sewer at that location for more than one building or facility.
Trunk Sewer. Trunk sewer consists of a large sewer pipe normally larger than eight inches in diameter that receives or is capable of receiving sanitary wastes from more than one tributary branch or lateral sewer.
Lateral Sewer. A lateral sewer consists of the sewer pipe and appurtenances serving a customer in a subdivision or from street and alley and emptying into a trunk sewer.
Sanitary Sewer Service. Sewer service consists of that pipe from customer's premises to the lateral sewer.
C. Service Area. The service areas are divided into three basic geographic areas as follows:
1. First stage: That area presently now being served by gravity fall and potential area within city of Safford which can be serviced by a gravity fall sewer;
2. Second stage: That area now being served by a lift station and potential area which can be served by a lift station, raisingsanitary wastes into the first stage system;
3. Third stage: That area and potential area which can be served by a lift station raising sanitary wastes into the second stage system.
D. Design Criteria. The following basic design criteria shall be used for all new construction. All sanitary sewer mains shall be designed in accordance with criteria as per latest edition of the rules and regulations as promulgated by the Arizona Board of Health and’ the Department of Health "Minimum Requirements for Design and Construction of Sanitary Sewers." In addition, the design shall be approved by the city engineer of the city of Safford and the following basic design criteria shall be met:
1. In commercial and industrial areas, the design engineer shall submit flow calculations to the city engineer for approval prior to completing design of sewer;
2. In all areas the design engineer must submit to the city engineer for approval, calculations of potential flow from area to be served as well as flow from future areas to be served.
E. Extension Limitations. Approval of all sewer extensions to serve new areas is limited to the availability of capacity in the connecting system. The following guidelines will be followed:
1. New area service will be authorized if the usage in the area will exceed the reserve capacity of the sanitary wastewater disposal system.
2. The reserve capacity of the sanitary wastewater system will first be allocated to the vacant areas now having access to a lateral sewer who have paid for their share of said lateral sanitary sewer.
3. The reserve capacity of a trunk sewer will first be allocated to the district which participated by an assessment levy or payment of costs.
4. A new area to be developed will only be allowed to connect lateral mains and hookup services to the extent that the reserve capacity of the connecting sewer is sufficient to handle the flow.
5. All requests for main extension must be accompanied by applicant's preliminary plans drawn by an Arizona registered engineer.
6. City staff may require forty-five (45) days to examine any main extension request.
F. Special Condition Extensions. Due to the fact that certain areas require lift stations, conditions and limitations in addition to the above are necessary as follows:
1. Subdividers, developers or owners desiring to install sanitary sewer service into a second- or third-stage serve area as outlined in subsection C of this section shall install as part of the development cost the necessary lift pump, lift station and devices to service said area.
2. Subdividers, developers or owners desiring to install sanitary sewer service in an area where the discharge is into an abutting subdivision sewer whose reserve capacity is not sufficient shall install, as part of the development cost, the necessary trunk connection to a location where the reserve capacity does exist.
G. Financing Mains and Appurtenances. Trunk and lateral mains and appurtenances are the responsibility of the subdivider and/or owners and users involved and may be paid for by one or more of the following:
1. Subdividers and/or owners contracting or installing the improvements and furnishing same to the city;
2. Special improvement district formed as per state of Arizona laws for city special improvement districts;
3. Contractual agreement with the city of Safford setting forth conditions of payment and construction.
H. Sanitary Sewer Service. The customer sewer from his or her premises to the lateral sanitary sewer is the responsibility of the customer and/or owners both for construction and maintenance. All construction shall meet the city of Safford building codes, plumbing division. The customer must apply for a permit and be granted same prior to construction.
I. Temporary Facilities. Temporary customers or others using temporary facilities shall pay for all temporary facilities installed and be credited for salvage materials removed. (Prior code § 13-6-5)