Comprehensive Drainage Plan

TABLE OF CONTENTS

SECTION I SUMMARY

  1. Purpose of Project
  2. Authorization
  3. Study Area
  4. Project Summary
  5. Project Team
  6. Use of the GIS

SECTION II BACKGROUND CONSIDERATIONS

  1. Basis for Determining Improvements
    1. Design Criteria
    2. Historical Flooding
    3. Land Use

SECTION III GEOGRAPHIC INFORMATION SYSTEM

  1. Geographic Information System Coverages
    1. Storm Sewer Pipes
    2. Storm Sewer Manholes
    3. Drainage Areas
    4. Land-Use Categories
    5. Flooding Complaints and Repetitive Claims
    6. Drainage Survey Results
    7. Floodplain Boundaries
    8. Street Patterns
    9. Drainage Ditches and Detention Basin Alignments
    10. Digital Ortho Photographs

SECTION IV HOUSTORM

  1. Design Methodology
    1. Rational Method
  2. Program Application
    1. Analysis
    2. Hydraulic Calculations
    3. Program Constraints
    4. Profiles
    5. Probable Construction Costs

SECTION V CAPITAL IMPROVEMENT PLAN

  1. Purpose of the Capital Improvement Plan
  2. Proposed Capital Improvement Plan
    1. Capital Improvement Plan Development Procedures
    2. Existing Storm Sewer System Capital Improvement Plan
    3. New System Capital Improvement Plan
    4. GIS Layers
  3. Capital Improvement Program Cost
    1. Unit Probable Cost Rates
    2. Category and Group Classifications