concept design san antonio river improvements project

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MUSEUM (NORTHERN) “PARK” REACH HIKE AND BIKE PATHWAY NOT TO SCALE DESIGN COMPONENT PROTOTYPES The design philosophy for project components consists of three major elements: 1. The design is to be similar but not copying the Hugman design – variable and changing. 2. Materials are to be indigenous and “of the place”. 3. Artists are to be included in the design process. This philosophy has been translated into a series of design component prototypes for the major river components. 100 SAN ANTONIO RIVER DESIGN GUIDELINES 8’ WIDE MOW ZONE 12’ WIDE PATHWAY 8’ WIDE MOW ZONE SWALE CROWN TO DRAIN 8’ WIDE MOWED GRASS ZONE POTENTIAL ARTISTS INSERT CONCRETE PATHWAY WITHIN FLOOD PLANE 8’ WIDE MOWED GRASS ZONE 8’ 12’ 8’ PLAN SECTION PATHWAY SYSTEMS 1. Pedestrian/Bike Pathway The pathway alignment will include long, gentle curves that can be easily negotiated by cyclists. The gradient of the paths should be at 5% or less, wherever possible. The path will be constructed of concrete, asphalt or decomposed granite and will be 12 feet in width preferred but may be 10 feet wide when specific context requires. Careful design attention must be given to a system of two materials so that it does not appear as a patchwork. 2. Lighting Concepts All lighting along the new pathways must be carefully studied to determine the appropriate application. Light must not spill over onto adjacent property. Light fixtures can potentially be mounted on a pole, an adjacent wall, or the wall of the private property owner, with permission. Low-level pathway lighting can also be utilized, such as bollard lights. The lamps must be metal halide for true color rendition that will also assist in perceived safety. Selection of lamp and fixtures must be coordinated with CPS who will install, operate, and maintain the light standards. OTHER ELEMENTS A. Accessibility It is the intent that as much of the river improvements are accessible by persons with handicaps as possible. In the Museum (Northern) “Park” Reach, all pathways will be handicap accessible. All Americans with Disabilities Act requirements are to be met throughout the project. MAINTENANCE On-going maintenance will be provided by the City of San Antonio Parks & Recreation Department. COST ESTIMATE AND FUNDING SOURCES The San Antonio River Improvements Project is scheduled for completion in phases by 2010 and funded by four sources. A budget has been allocated to the project and a Cost Analysis has been prepared to project the costs for each reach. The Cost Analysis information and a Gant Chart are included as an Appendix. The implementation strategy is to: 1. Build the entire project over the next 10 years. 2. Construct a north reach and south reach concurrently during each phase. 3. Begin at the downtown area and work outward, in both southward and northward directions, as possible. The areas of highest concern in the Historical Mission Reach, such as Espada Dam, will be addressed as quickly as possible, coordinated with the availability of project funds, and may require “hop-scotching” in that reach.
LONG TERM OPPORTUNITIES The master planning team looked beyond the river right-of-way for opportunities to provide additional flood control and detention. Several sites presented themselves and are opportunities for the future when the conditions are favorable for such improvements. These improvements are beyond the scope of the project budget and will require funding from other sources. The opportunity sites follow: View of the North Reach NOT TO SCALE Brackenridge Golf Course The Brackenridge Golf Course will require a major renovation at some time in the future. At that time, consideration should be given to over-excavation to provide floodwater detention during major storm events. The detention areas can be sculpted to create a beautiful and challenging golf course. In the shorter term, the existing driving range could be excavated to provide floodwater detention. Another less extensive opportunity for the golf course exists at the south end near W. Craig Street. A realignment of the existing river and a reconfiguration of the existing holes that play over the river would result in the elimination of cross-play over the river and also assist in eliminating bank failure along the river. NOT TO SCALE Celebration of the San Antonio River Headwaters As mentioned in the Introduction, the actual river headwaters exist on University of the Incarnate Word property. The river’s origin is a special place that should be celebrated by San Antonio citizens. However, the University is a private institution and so it is suggested that a surrogate location become the celebratory place. The recommended location is the existing lagoon immediately south of the Hildebrand Avenue Bridge. This space could become a gathering place where the citizens of San Antonio can learn more about the river’s history and the important role that the river still plays in the city. A special water fountain or feature is recommended. SAN ANTONIO RIVER DESIGN GUIDELINES 101
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SAN ANTONIO RIVER IMPROVEMENTS PROJ
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EXECUTIVE SUMMARY INTRODUCTION AND
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PROJECT BACKGROUND Within downtown
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INTRODUCTION AND PURPOSE 8 SAN ANTO
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INTRODUCTION AND PURPOSE PROJECT AR
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PROJECT OVERVIEW 12 SAN ANTONIO RIV
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PROJECT OVERVIEW EXISTING CONDITION
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PROJECT OVERVIEW INVENTORY PROCESS
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HISTORICAL MISSION (SOUTHERN) REACH
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