B08_Attachment_05_Approved_Schematic_Design_Final_230320.pdf
PDF 14 MB Posted
- Attached to
- GLCA 318882 Bullfrog
- Solicitation number
- 140P2026R0010
About this file
This document is a schematic design package for the Bullfrogs Launch Ramp project at Glen Canyon National Recreation Area, prepared by the Department of the Interior National Park Service Denver Service Center. The project involves the identification and development of boat launch ramp locations in Lake Powell, with comprehensive engineering and site development plans.
The design includes a concrete launch ramp approximately 2,429 feet long, asphalt ramp access of 821 feet, parking area of 887 square feet, and Stanton Creek Road improvements totaling 16,074 feet. Key infrastructure components consist of utility systems including water, sewer, electrical, and communications; force main and water line details with dual lift stations capable of 150-450 GPM capacity; and extensive site grading and drainage features. The launch ramp features a 10.5% slope with precast concrete panels, expansion joints, rock ditch protection, and erosion control measures. The project includes detailed utility plans covering potable water distribution (4-inch PVC), sanitary sewer force mains with submersible pumps, electrical service with transformers ranging from 45-1500 KVA, and communications infrastructure. Construction specifications address typical cut and fill sections, concrete placement procedures, joint details, and transition areas from concrete to asphalt. The design incorporates environmental protections including APE (Area of Potential Effects) boundary mapping, wetlands identification, and high water level considerations at elevation 3700 feet. Survey data, geometric layouts, and comprehensive cross-sections are provided for the entire site development area.
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