Fundamentals of Concrete Construction Inspections for Dams and Appurtenant Structures: Agenda
  • Introduction and Objectives (3-5 minutes)
  • Review of Design Drawings and Specifications Requirements (5 minutes)
    • Division 03 - Concrete
    • Drawings
      • Structure layout
      • Rebar details
      • Waterstop
      • Joint types and arrangement 
  • Contractor Submittals (15 minutes)
    • Concrete mix designs
    • Concrete placement drawings and methods
    • Rebar and foundation anchor shop drawings
    • Waterstops
    • Concrete finishing, protection, and curing 
    • Pour-back times
    • Concrete repairs – Methods and products
    • QA/QC plan
  • Question Period #1 (5-10 minutes)
  • Construction I (30 minutes)
    • Dewatering
    • Foundation preparation
      • Rock vs. soil
      • Cleaning methods
      • Dental/backfill concrete & slush grouting
      • Mudmat concrete
    • Foundation anchors
      • Drilling, installation, grouting and testing
      • Sacrificial anchors
    • Reinforcement installation
      • Bar size
      • Spacing
      • Laps
      • Hooks
      • Bar support and spacers
      • Bar surface cleaning
    • Waterstop installation
      • PVC
      • Hydrophilic
      • Secured (PVC)/adhered (hydrophilic)
      • Field vs. factory welded joints (PVC)
    • Formwork
      • Form type
      • Dimension check
      • Bracing and anchorage
    • Joints and joint preparation
      • Construction joints
      • Control joints
      • Contraction joints
      • Expansion joints
    • Embedments and blockouts
    • Mass Concrete
  • Question Period #2 (5-10 minutes)
  • Construction II (20-25 minutes)
    • Placement
      • Conveyance methods
      • Vibration/consolidation
  • Testing
    • Test Type and Frequency
    • Slump
    • Air
    • Temperature
    • Cylinders (lab and field)
  • Curing and protection
    • Cure methods and duration
    • Form removal
    • Hot and cold weather concrete
  • Common Defects and Repairs (10-15 minutes)
  • Documentation (5-10 minutes)
  • Summary (10 minutes)
  • Final Question Period (10-15 minutes)
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