DESIGN: GRAVING DRYDOCKS
Record of Changes - 4_213_100002
FOREWORD - 4_213_100003
CONTENTS - 4_213_100004
CONTENTS-continued - 4_213_100005
CONTENTS-continued - 4_213_100006
CONTENTS-continued - 4_213_100007
CONTENTS-continued - 4_213_100008
FIGURES - 4_213_100009
CHAPTER 1. INTRODUCTION - 4_213_100010
CHAPTER 2. SHIPYARD LAYOUT
FITTING OUT/REPAIR PIERS
FOUNDATION CONDITIONS
Pile Driving Records
CHAPTER 3. DETERMINATION OF GRAVING DOCK DIMENSIONS
Fig. 3-1, Designation of Drydock Features
Fig. 3-2 Sonar Configurations
DRYDOCKS FOR SHIPBUILDING ONLY
Table 3-2 Design Considerations for Various Head End Shapes
Cross Section
Fig. 3-3 Graving Dock Cross Sections, Showing Shape as Determined by Structural Type and Construction Method
Flooding and Drainage Tunnels
CHAPTER 4. STRUCTURAL TYPES OF DRYDOCKS
Fully Relieved
Partially Relieved
Figure 4-1 Miscellaneous Types of Drydocks
CHAPTER 5. STRUCTURAL DESIGN
HYDROSTATIC PRESSURE
LIVE LOADS
Shiploads
Fig. 5-1 Ship Blocking Loads
Fig. 5-2 Ship Blocking Loads
SPECIAL CONDITIONS OF LOADING
MATERIALS AND DESIGN
Fig. 5-3 Examples of Drydocks with Slabs Constructed Underwater and Walls and Finish Floor Constructed in Dry
Reinforcing Steel
SAFETY CONSIDERATIONS - 4_213_100037
Dock Floor Irregularities
CHAPTER 6. FLOODING
Opening Elevations
Flooding Culverts
Flooding Through the Caisson
HYDRAULIC DESIGN - 4_213_100043
Computation of Flooding Time-continued
CHAPTER 7. DEWATERING
Collector Channel
Pump Discharge Tunnel
BASIC REQUIREMENTS OF DESIGN FACTORS
Elevation of Discharge
Periphery of Pit Opening
Pump Discharge
Fig. 7-1 Characteristic Curves for 54-Inch Mixed Flow Pump
Main Dewatering Pumps
Pump Drives
FIELD TESTING OF DEWATERING SYSTEM
Tide Effect
Fig. 7-2 Curves From Field Tests
CHAPTER 8. FITTINGS, SHIP BLOCKING, SUPPORTING FACILITIES AND SHIP SERVICES
Bollards
Ladders - 4_213_100060
Marking Plates
SUPPORTING FACILITIES - 4_213_100062
Portal Crane Track
Fig. 8-1 Ship Blocks
Weight and Materials Handling Equipment
MECHANICAL SERVICES
Fresh Water
Specific Requirements for Salt or Nonpotable Water
Receiving Hose Connections
Fig. 8-2 Schematic of Conditions for Portable Sewage Pumping Systems in Graving Docks
Steam - 4_213_100071
Compressed Air - 4_213_100072
Oxygen and Acetylene
Acetylene
ELECTRICAL SERVICES
Power Requirements
Power Demand Range
Dock Services
Fire Alarm Service
CHAPTER 9. ENTRANCE CLOSURES
Foster Hinged Gate
Types - 4_213_100082
Machinery
Ballast
Fig. 9-1 Cross Section and Typical Framing Arrangement of Welded Caisson
Fig. 9-2 Typical Horizontal Girder for Welded Caisson
Framing
Gaskets and Seats
Equipment - 4_213_100089
Miscellaneous Fittings
Figure 9-3 Detail of Gasket for Caisson
CHAPTER 10. CONSTRUCTION
Cofferdams
Foundation Piles
Foundation Slabs
ENTRANCE CLOSURES
SUPPORTING FACILITIES AND ACCESSORIES
MECHANICAL AND ELECTRICAL EQUIPMENT
Installation Practice
APPENDIX A. BIBLIOGRAPHY - 4_213_100100
APPENDIX B. GLOSSARY - 4_213_100101
APPENDIX B. GLOSSARY-continued - 4_213_100102
APPENDIX C. REFERENCES - 4_213_100103
APPENDIX C. REFERENCES-continued - 4_213_100104
4_213_10
Record of Changes - 4_213_100002
FOREWORD - 4_213_100003
CONTENTS - 4_213_100004
CONTENTS-continued - 4_213_100005
CONTENTS-continued - 4_213_100006
CONTENTS-continued - 4_213_100007
CONTENTS-continued - 4_213_100008
FIGURES - 4_213_100009
CHAPTER 1. INTRODUCTION - 4_213_100010
CHAPTER 2. SHIPYARD LAYOUT
FITTING OUT/REPAIR PIERS
FOUNDATION CONDITIONS
Pile Driving Records
CHAPTER 3. DETERMINATION OF GRAVING DOCK DIMENSIONS
Fig. 3-1, Designation of Drydock Features
Fig. 3-2 Sonar Configurations
DRYDOCKS FOR SHIPBUILDING ONLY
Table 3-2 Design Considerations for Various Head End Shapes
Cross Section
Fig. 3-3 Graving Dock Cross Sections, Showing Shape as Determined by Structural Type and Construction Method
Flooding and Drainage Tunnels
CHAPTER 4. STRUCTURAL TYPES OF DRYDOCKS
Fully Relieved
Partially Relieved
Figure 4-1 Miscellaneous Types of Drydocks
CHAPTER 5. STRUCTURAL DESIGN
HYDROSTATIC PRESSURE
LIVE LOADS
Shiploads
Fig. 5-1 Ship Blocking Loads
Fig. 5-2 Ship Blocking Loads
SPECIAL CONDITIONS OF LOADING
MATERIALS AND DESIGN
Fig. 5-3 Examples of Drydocks with Slabs Constructed Underwater and Walls and Finish Floor Constructed in Dry
Reinforcing Steel
SAFETY CONSIDERATIONS - 4_213_100037
Dock Floor Irregularities
CHAPTER 6. FLOODING
Opening Elevations
Flooding Culverts
Flooding Through the Caisson
HYDRAULIC DESIGN - 4_213_100043
Computation of Flooding Time-continued
CHAPTER 7. DEWATERING
Collector Channel
Pump Discharge Tunnel
BASIC REQUIREMENTS OF DESIGN FACTORS
Elevation of Discharge
Periphery of Pit Opening
Pump Discharge
Fig. 7-1 Characteristic Curves for 54-Inch Mixed Flow Pump
Main Dewatering Pumps
Pump Drives
FIELD TESTING OF DEWATERING SYSTEM
Tide Effect
Fig. 7-2 Curves From Field Tests
CHAPTER 8. FITTINGS, SHIP BLOCKING, SUPPORTING FACILITIES AND SHIP SERVICES
Bollards
Ladders - 4_213_100060
Marking Plates
SUPPORTING FACILITIES - 4_213_100062
Portal Crane Track
Fig. 8-1 Ship Blocks
Weight and Materials Handling Equipment
MECHANICAL SERVICES
Fresh Water
Specific Requirements for Salt or Nonpotable Water
Receiving Hose Connections
Fig. 8-2 Schematic of Conditions for Portable Sewage Pumping Systems in Graving Docks
Steam - 4_213_100071
Compressed Air - 4_213_100072
Oxygen and Acetylene
Acetylene
ELECTRICAL SERVICES
Power Requirements
Power Demand Range
Dock Services
Fire Alarm Service
CHAPTER 9. ENTRANCE CLOSURES
Foster Hinged Gate
Types - 4_213_100082
Machinery
Ballast
Fig. 9-1 Cross Section and Typical Framing Arrangement of Welded Caisson
Fig. 9-2 Typical Horizontal Girder for Welded Caisson
Framing
Gaskets and Seats
Equipment - 4_213_100089
Miscellaneous Fittings
Figure 9-3 Detail of Gasket for Caisson
CHAPTER 10. CONSTRUCTION
Cofferdams
Foundation Piles
Foundation Slabs
ENTRANCE CLOSURES
SUPPORTING FACILITIES AND ACCESSORIES
MECHANICAL AND ELECTRICAL EQUIPMENT
Installation Practice
APPENDIX A. BIBLIOGRAPHY - 4_213_100100
APPENDIX B. GLOSSARY - 4_213_100101
APPENDIX B. GLOSSARY-continued - 4_213_100102
APPENDIX C. REFERENCES - 4_213_100103
APPENDIX C. REFERENCES-continued - 4_213_100104
4_213_10
