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CE 496B: Project Plan and Scheduling for Canal Lining and Cutoff Wall Construction

This document outlines the action plan for CE 496B, focusing on finalizing reports for Tasks 1 and 2 to be submitted to LACDPW. It includes the selection of preferred alternatives for canal lining and cutoff walls, providing a detailed design for each option as well as calculations, drawings, specifications, and cost estimates. Proposed activities include an analysis of lining materials, such as reinforced concrete or geosynthetic clay liners. The report will culminate in a presentation at the CSULA Engineering Expo, incorporating feedback from LACDPW.

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CE 496B: Project Plan and Scheduling for Canal Lining and Cutoff Wall Construction

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  1. CE 496BClass Schedule and Plan April 3, 2012

  2. Action Plan • Finalize Task 1 and Task 2 Reports(Submit to LACDPW in early April) • Task 3 • Select preferred Alternatives (3) • For each Alternative, provide detailed design and summarize results in one Final Report: • Calculations • Drawings • Specifications • Cost Estimates • Project Concept Report (PCR) • Presentation of Final Report on CSULA Eng. Expo

  3. Summary of LACDPW feedback • The project will consist of lining the canal and constructing a cutoff wall • LACDPW provided some alternatives but CSULA will have to make the following decisions: • Injection grouting or slurry trench • Cutoff wall location A or B (see next slide) • Lining canal with reinforced concrete (not shotcrete), or geosynthetic clay liner (GCL)

  4. Cut-off Wall proposed by LACDPW A B

  5. LACDPW Feedback on GCL Things to consider/investigate: • Expect heavy equipment driving through this canal for maintenance • The lining should be rodent proof • An installation guide (http://www.nilex.com/sites/default/files/Geosynthetic_Clay_Liner_Installation.pdf) states that the subgrade “should possess a particle size distribution such that at least 80 percent of the soil is finer than a #60 sieve unless a membrane-laminated GCL (Bentomat CL or Bentomat CLT) is used.”  Verify that our site is suitable.

  6. CSULA Alternatives • Cut-off Walls • Analysis & Configuration of Cut-off Walls: • Injection Grouting • Slurry Wall • Cut-off Wall(s) optimal locations • Under canal • On the west side of the canal • Conveyance Structures • Connecting Basin 1 & Basin 2 • Demolish and remove existing structures between canal and Basin 1 • Lining with reinforced concrete or GCL • Rodent effects on liner

  7. Organizational Chart • Objectives Development TeamNCEES, QA/QC (3)C. Morris, M. Garcia, A. Gunarsson

  8. Project Schedule

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