Common use of Purpose and Need Clause in Contracts

Purpose and Need. The proposed Study Project provides for a conceptual framework to assess the expansion and design of an existing regional integrated conveyance system that would improve the reservoirs’ ability to store and manage imported and local water supplies making the San Diego Region (Region) more resistant to drought and water delivery service interruptions. The Study is not intended to create a new water supply but is expected to improve operational flexibility of local storage facilities through development of conveyance infrastructure (i.e., pipelines) and provide the opportunity to move and store water locally when water is available to put into storage. Since the inception of this Study, pumping restrictions on imported water supplies from Northern California have exacerbated water supply reliability issues in Southern California. This Study will also evaluate infrastructure needs within the framework of current and future imported water delivery restrictions. The reservoirs proposed for this study are: San ▇▇▇▇▇▇▇, El Capitán, Loveland, Murray, and Sweetwater. Federal authority for this proposed Study Project is in Public Law 111-11, dated and authorizes a feasibility study. The Study Project is not intended to create a new water supply but is expected to improve operational flexibility of local storage facilities through development of conveyance infrastructure (i.e., pipelines) and provide the opportunity to move and store water locally when water is available to put into storage. Since the inception of this Study Project, pumping restrictions on imported water supplies from Northern California have exacerbated water supply reliability issues in Southern California. This Study Project will also evaluate infrastructure needs within the framework of current and future imported water delivery restrictions. Study area: The four reservoirs included in this Project are described below and shown on the attached map: • San Vicente Reservoir is owned and operated by the City and is currently capable of storing up to 89,312 acre-feet of water with a hydraulic grade line of 650 feet. Through an agreement between the San Diego County Water Authority (CWA) and the City of San Diego (City), the San Vicente Dam will be raised by approximately 117 feet to provide a total storage capacity of 247,000 acre-feet (242,000 acre-feet usable storage plus 5,000 acre-feet of dead storage) with a hydraulic grade line of 767 feet to supplement emergency and carry over storage in the Region. San Vicente Reservoir can store water from local runoff and imported water from the First San Diego Aqueduct. A new pipeline connecting the Second San Diego Aqueduct to San Vicente Reservoir will be completed by CWA by 2010. • El Capitan Reservoir, built in 1934 and owned by the City, is located about four miles southeast of San Vicente Reservoir and six miles north of Loveland Reservoir, and has a capacity of 112,806 acre-feet of water with a hydraulic grade line of 750 feet. El Capitan Reservoir captures local runoff from a ▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ catchment area. El Capitan Reservoir can also be used to store imported water, although the ability to move imported water into it is limited by pipeline capacity and hydraulic gradients. El Capitan Reservoir can receive imported water storage from the First San Diego Aqueduct, through the bypass pipeline and the San ▇▇▇▇▇▇▇ Pipelines. Also, per an Agreement between the City and Helix Water District (Helix), Helix has rights to store imported water into El Capitan Reservoir through their own connection from the First San Diego Aqueduct. • Loveland Reservoir is located in the foothills of the Cuyamaca Mountains, 21 miles upstream of San Diego Bay. Built in 1945, Loveland is owned and operated by The Sweetwater Authority (Sweetwater). Loveland was constructed to impound water from the Sweetwater River, and is capable of storing 25,387 acre-feet of water with a hydraulic grade line of 1,355 feet. Loveland does not have a connection to the imported water system. To enable beneficial use of the water stored in Loveland, it is released into the natural Sweetwater River riverbed for transport to Sweetwater Reservoir. • ▇▇▇▇▇▇ Reservoir is comparatively small at 4,684 acre-feet capacity, but is also the site of the ▇▇▇▇▇▇▇▇ Water Treatment Plant (▇▇▇▇▇▇▇▇) both of which are owned by the City. Water from ▇▇▇▇▇▇▇▇ serves a large central portion of the City, the City of Coronado, and a number of Navy military bases. ▇▇▇▇▇▇ Reservoir stores water directly off the Second San Diego Aqueduct and water conveyed from San ▇▇▇▇▇▇▇ and El Capitan Reservoirs via the El Monte Pipeline. All runoff from the local catchment is diverted away from the reservoir. • Sweetwater Reservoir is located on the Sweetwater River in the southern part of San Diego County about six miles northeast of Chula Vista. Sweetwater Reservoir was constructed between 1886 and 1888 and is capable of storing 28,079 acre-feet of water. The reservoir is owned and operated by the Authority including the adjacent ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Water Treatment Plant (▇▇▇▇▇▇ Plant). The ▇▇▇▇▇▇ Plant has a treatment capacity of 30 million gallons per day (MGD) and is capable of treating surface runoff or imported water stored at Sweetwater Reservoir or imported raw water directly from the Water Authority’s aqueduct. The La Mesa-Sweetwater Extension connects the reservoir to the CWA’s second aqueduct. Currently, El Capitan and Loveland are underutilized water storage reservoirs because they have limited or no connections to the imported water system. With a capacity of about 25,000 acre-feet, Loveland has only filled from local runoff a dozen times in the 58 years since its completion. El Capitan, with nearly 113,000 acre-feet of capacity, has only filled four times since its construction in 1934. In addition, re-establishing a connection between Sweetwater and the first aqueduct could reduce demand on the second aqueduct and restore operational flexibility and reliability to the imported water supply delivery system. Linking the reservoirs and/or restoring aqueduct connection, particularly the underutilized El Capitan, and Loveland, and Sweetwater, provides a related benefit by increasing the ability to use captured “local runoff” water and improve overall system function The Study Project can be accomplished in several manners. Internal resources or contractual services are two effective means to that end. Each Partner will bring sufficient funds to the Study Project to ensure a quality product that address the purpose and need for this study. An estimated time line will be used to establish reasonable expectations, and any deviation from there should be addressed throughout the progress of this study. Phases will be outlined and agreed to among the Partners. Expanded and/or new facilities will be identified in two phases. The first “pre-feasibility” phase will consist of a preliminary study of existing facilities, their condition and capacities. Expanded and/or new facilities will be recommended for inclusion in a subsequent and more detailed evaluation. The detailed evaluation will be a primary component of the full feasibility study phase. The Study Project’s goal is to allow efficient use of up to four reservoirs, increase the Region’s water supply reliability, increase water storage capability by approximately 100,000 acre-feet, increase the ability to efficiently supply water at the lowest possible cost and take advantage of potential energy management opportunities. The Project has the potential of benefiting approximately 1.5 million residents in San Diego County. The Project Conceptual Design will determine the optimal configuration and operation of the Project. By moving the process forward, the Conceptual Design represents an important step toward a potential implementation of the Project. The study will be performed in two phases. The first will be the pre-feasibility phase to determine whether there are alternatives that have sufficient interest to be developed further. If there is/are alternative/s that does justify additional effort to refine so that costs can be better compared to potential benefits, then the second phase or full feasibility phase will be performed to make those refinements. The phase covered under this scope is the pre-feasibility phase. During this phase of the study, the team will look at all objectives and constraints and then formulate alternatives that have the potential to meet objectives within the constraints provided for the least cost. A reasonable range of alternatives will be considered and screened. Through the screening process existing alternatives may be refined or new alternatives may be considered. Once the alternatives are formulated, a comparison of the alternatives will be made. Extensive design for each of the alternatives will not be justified. In general, the designs will be performed using existing information unless there is insufficient data to utilize for that purpose. The level of design performed will be the same for all alternatives. For the purpose of this document, the level of design will be referred to as 10% and will not require certification by a registered engineer.

Purpose and Need. The proposed Study Project provides for a conceptual framework to assess the expansion and design of an existing regional integrated conveyance system that would improve the reservoirs’ ability to store and manage imported and local water supplies making the San Diego Region (Region) more resistant to drought and water delivery service interruptions. The Study is not intended to create a new water supply but is expected to improve operational flexibility of local storage facilities through development of conveyance infrastructure (i.e., pipelines) and provide the opportunity to move and store water locally when water is available to put into storage. Since the inception of this Study, pumping restrictions on imported water supplies from Northern California have exacerbated water supply reliability issues in Southern California. This Study will also evaluate infrastructure needs within the framework of current and future imported water delivery restrictions. The reservoirs proposed for this study are: San ▇▇▇▇▇▇▇, El Capitán, Loveland, Murray, and Sweetwater. Federal authority for this proposed Study Project is in Public Law 111-11, dated and authorizes a feasibility study. The Study Project is not intended to create a new water supply but is expected to improve operational flexibility of local storage facilities through development of conveyance infrastructure (i.e., pipelines) and provide the opportunity to move and store water locally when water is available to put into storage. Since the inception of this Study Project, pumping restrictions on imported water supplies from Northern California have exacerbated water supply reliability issues in Southern California. This Study Project will also evaluate infrastructure needs within the framework of current and future imported water delivery restrictions. Study area: The four reservoirs included in this Project are described below and shown on the attached map: • San Vicente Reservoir is owned and operated by the City and is currently capable of storing up to 89,312 acre-feet of water with a hydraulic grade line of 650 feet. Through an agreement between the San Diego County Water Authority (CWA) and the City of San Diego (City), the San Vicente Dam will be raised by approximately 117 feet to provide a total storage capacity of 247,000 acre-feet (242,000 acre-feet usable storage plus 5,000 acre-feet of dead storage) with a hydraulic grade line of 767 feet to supplement emergency and carry over storage in the Region. San Vicente Reservoir can store water from local runoff and imported water from the First San Diego Aqueduct. A new pipeline connecting the Second San Diego Aqueduct to San Vicente Reservoir will be completed by CWA by 2010. • El Capitan Reservoir, built in 1934 and owned by the City, is located about four miles southeast of San Vicente Reservoir and six miles north of Loveland Reservoir, and has a capacity of 112,806 acre-feet of water with a hydraulic grade line of 750 feet. El Capitan Reservoir captures local runoff from a ▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇ catchment area. El Capitan Reservoir can also be used to store imported water, although the ability to move imported water into it is limited by pipeline capacity and hydraulic gradients. El Capitan Reservoir can receive imported water storage from the First San Diego Aqueduct, through the bypass pipeline and the San ▇▇▇▇▇▇▇ Pipelines. Also, per an Agreement between the City and Helix Water District (Helix), Helix has rights to store imported water into El Capitan Reservoir through their own connection from the First San Diego Aqueduct. • Loveland Reservoir is located in the foothills of the Cuyamaca Mountains, 21 miles upstream of San Diego Bay. Built in 1945, Loveland is owned and operated by The Sweetwater Authority (Sweetwater). Loveland was constructed to impound water from the Sweetwater River, and is capable of storing 25,387 acre-feet of water with a hydraulic grade line of 1,355 feet. Loveland does not have a connection to the imported water system. To enable beneficial use of the water stored in Loveland, it is released into the natural Sweetwater River riverbed for transport to Sweetwater Reservoir. • ▇▇▇▇▇▇ Reservoir is comparatively small at 4,684 acre-feet capacity, but is also the site of the ▇▇▇▇▇▇▇▇ Water Treatment Plant (▇▇▇▇▇▇▇▇) both of which are owned by the City. Water from ▇▇▇▇▇▇▇▇ serves a large central portion of the City, the City of Coronado, and a number of Navy military bases. ▇▇▇▇▇▇ Reservoir stores water directly off the Second San Diego Aqueduct and water conveyed from San ▇▇▇▇▇▇▇ and El Capitan Reservoirs via the El Monte Pipeline. All runoff from the local catchment is diverted away from the reservoir. • Sweetwater Reservoir is located on the Sweetwater River in the southern part of San Diego County about six miles northeast of Chula Vista. Sweetwater Reservoir was constructed between 1886 and 1888 and is capable of storing 28,079 acre-feet of water. The reservoir is owned and operated by the Authority including the adjacent ▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇ Water Treatment Plant (▇▇▇▇▇▇ Plant). The ▇▇▇▇▇▇ Plant has a treatment capacity of 30 million gallons per day (MGD) and is capable of treating surface runoff or imported water stored at Sweetwater Reservoir or imported raw water directly from the Water Authority’s aqueduct. The La Mesa-Sweetwater Extension connects the reservoir to the CWA’s second aqueduct. Currently, El Capitan and Loveland are underutilized water storage reservoirs because they have limited or no connections to the imported water system. With a capacity of about 25,000 acre-feet, Loveland has only filled from local runoff a dozen times in the 58 years since its completion. El Capitan, with nearly 113,000 acre-feet of capacity, has only filled four times since its construction in 1934. In addition, re-establishing a connection between Sweetwater and the first aqueduct could reduce demand on the second aqueduct and restore operational flexibility and reliability to the imported water supply delivery system. Linking the reservoirs and/or restoring aqueduct connection, particularly the underutilized El Capitan, and Loveland, and Sweetwater, provides a related benefit by increasing the ability to use captured “local runoff” water and improve overall system function The Study Project can be accomplished in several manners. Internal resources or contractual services are two effective means to that end. Each Partner will bring sufficient funds to the Study Project to ensure a quality product that address the purpose and need for this study. An estimated time line will be used to establish reasonable expectations, and any deviation from there should be addressed throughout the progress of this study. Phases will be outlined and agreed to among the Partners. Expanded and/or new New facilities will be identified in two phases. The first “pre-feasibility” phase will consist of a preliminary study of existing facilities, their condition and capacities. Expanded and/or new facilities and will recommend those to be recommended for inclusion included in a subsequent and more detailed evaluation. The detailed evaluation will be a primary component of the full feasibility study phase. The Study Project’s goal is to allow efficient use of up to the four reservoirs, increase the Region’s water supply reliability, increase water storage capability by approximately 100,000 acre-acre- feet, increase the ability to efficiently supply water at the lowest possible cost and take advantage of potential energy management opportunities. The Project has the potential of benefiting approximately 1.5 million residents in San Diego County. The Project Conceptual Design will determine the optimal configuration and operation of the Project. By moving the process forward, the Conceptual Design represents an important step toward a potential implementation of the Project. The study will be performed in two phases. The first will be is the pre-feasibility phase to determine whether there are alternatives that have sufficient interest to be developed further. If there is/are alternative/s that do/does justify additional effort to refine so that costs can be better compared to potential benefits, then the second phase or full feasibility phase will be performed to make those refinements. The phase covered under this scope is the pre-second phase or full feasibility analysis phase. During this phase of If after the studyfirst phase, the team will look at all objectives and constraints and then formulate there are determined to be either one or more alternatives that have the potential to meet objectives within the constraints provided for the least cost. A reasonable range of do show promise, these alternatives will be considered and screened. Through the screening process existing alternatives may be refined or new alternatives may be considered. Once the alternatives are formulated, developed further to a greater level of detail so that a more precise comparison of costs and benefits can be performed. The 10% design drawings used during the alternatives prefeasibility study will be madeused as a starting point, but additional effort will be made to improve the accuracy of these designs and the information that they are based on. Extensive design for each At the completion of the alternatives will not be justified. In generalfeasibility phase, the designs design level will be performed using existing information unless there is insufficient data to utilize for that purpose. The level of design performed will be the same for all alternatives. For the purpose of this document, the level of design will be referred to as 1030% and will not require certification be certified by a registered engineerengineer but will be labeled not for construction purposes.