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Accepted Industry Practice for Industrial Duct Construction, 2nd Edition, 2008
- FOREWORD
- INDUSTRIAL DUCT CONSTRUCTION STANDARDS COMMITTEE
- NOTICE TO USERS OF THIS PUBLICATION
- TABLE OF CONTENTS
- CHAPTER 1 INTRODUCTION [Go to Page]
- 1.1 INTRODUCTION
- 1.2 MANUAL CONTENTS
- CHAPTER 2 INDUSTRIAL DUCT APPLICATIONS [Go to Page]
- 2.1 INTRODUCTION
- 2.2 DEFINITION OF INDUSTRIAL DUCT
- 2.3 DUCT SYSTEM CLASSIFICATION
- 2.4 MATERIAL (PARTICULATE) CHARACTERISTICS AND CLASSES
- Table 2-1 Duct Classes and Minimum Conveying Velocities
- Table 2-2 Material Class Descriptions
- Table 2-3 Specific Materials Classes
- Table 2-3 Specific Materials Classes (continued)
- Table 2-3 Specific Materials Classes (continued)
- Table 2-3 Specific Materials Classes (continued)
- Table 2-3 Specific Materials Classes (continued)
- CHAPTER 3 DUCT MATERIALS [Go to Page]
- 3.1 INTRODUCTION
- 3.2 MATERIAL TYPES
- 3.3 CARBON AND COATED STEEL DATA
- 3.4 STAINLESS STEEL DATA
- 3.5 ALUMINUM DATA
- 3.6 MATERIAL PROPERTIES SUMMARY
- 3.7 CORROSION
- Table 3-1 Hot"rolled Steel Gages
- Table 3-2 Cold"rolled Steel Gages
- Table 3-3 Galvanized and Aluminized Steel Gages
- Table 3-4 Stainless Steel Gages
- Table 3-5 Aluminum Sheet Gages
- Table 3-6 Material Properties and Temperature Limits
- Table 3-7 Corrosion Chart
- Table 3-7 Corrosion Chart (continued)
- CHAPTER 4 DUCT CONSTRUCTION [Go to Page]
- 4.1 DUCT CONSTRUCTION
- 4.2 ROUND DUCT COMMON SEAMS AND JOINTS
- 4.3 RECTANGULAR DUCT COMMON SEAMS AND JOINTS
- 4.4 FABRICATION TOLERANCES
- 4.5 WELDING
- 4.6 SELECTION OF REINFORCEMENTS
- 4.7 CONNECTING INDUSTRIAL DUCT
- 4.8 THERMAL EXPANSION
- 4.9 FLEXIBLE DUCT
- Table 4-1S Recommended Sheet Steel Gages for Round Duct, Up to 650 F
- Table 4-1S Recommended Sheet Steel Gages for Round Duct, Up to 650 F (continued)
- Table 4-1S Recommended Sheet Steel Gages for Round Duct, Up to 650 F (continued)
- Table 4-1S Recommended Sheet Steel Gages for Round Duct, Up to 650 F Table 4-1S Recommended Sheet Steel Gages for Round Duct, Up to 650 F Table 4-1S Recommended Sheet Steel Gages for Round Duct, Up to 650 F (continued)
- Table 4-1A Recommended Aluminum Gages for Round Duct, Up to 120 F
- Table 4-1A Recommended Aluminum Gages for Round Duct, Up to 120 F (continued)
- Table 4-1Spiral Recommended Sheet Steel Gages for Round Spiral Duct, Up to 250 F
- Table 4-1Spiral Recommended Sheet Steel Gages for Round Spiral Duct, Up to 250 F (continued)
- Table 4-2S Recommended Sheet Steel Gages for Rectangular Duct, Up to 650 F
- Table 4-2S Recommended Sheet Steel Gages for Rectangular Duct, Up to 650 F (continued)
- Table 4-2S Recommended Sheet Steel Gages for Rectangular Duct, Up to 650 F (continued)
- Table 4-2S Recommended Sheet Steel Gages for Rectangular Duct, Up to 650 F (continued)
- Table 4-2A Recommended Aluminum Gages for Rectangular Duct, to 120 F
- Table 4-2A Recommended Aluminum Gages for Rectangular Duct, Up to 120 f (continued)
- Table 4-3 Thermal Expansion Chart
- FIGURE 4-1 LONGITUDINAL SEAMS - ROUND
- FIGURE 4-2 LONGITUDINAL SEAMS - RECTANGULAR
- FIGURE 4-3 LONGITUDINAL SEAMS - RECTANGULAR (CONTINUED)
- FIGURE 4-4 TRANSVERSE SEAMS OR JOINTS - ROUND
- FIGURE 4-5 TRANSVERSE SEAMS OR JOINTS - ROUND (CONTINUED)
- FIGURE 4-6 TYPICAL FLANGED CONNECTIONS - ROUND
- FIGURE 4-7 TYPICAL DUCT CONNECTIONS - VAN STONE ROUND
- FIGURE 4-8 TYPICAL APPLICATION OF ANGLE RING TO SPIRAL PIPE
- FIGURE 4-9 TYPICAL JOINTS FOR SPIRAL PIPE
- FIGURE 4-10 TYPICAL SPIRAL PIPE DUCT CONNECTIONS " VAN STONE
- FIGURE 4-11 TRANSVERSE SEAMS OR JOINTS - RECTANGULAR
- FIGURE 4-12 FABRICATION TOLERANCES
- FIGURE 4-13 TYPES OF STIFFENERS - RECTANGULAR DUCT
- FIGURE 4-14 TYPES OF STIFFENERS - RECTANGULAR DUCT (CONTINUED)
- FIGURE 4-15 TYPICAL EXPANSION JOINTS
- FIGURE 4-16 TYPICAL EXPANSION JOINTS (CONTINUED)
- FIGURE 4-17 FLEXIBLE CONNECTIONS
- FIGURE 4-18 FLEXIBLE DUCT
- FIGURE 4-19 FLEXIBLE CONNECTION APPLICATIONS
- CHAPTER 5 HANGERS AND SUPPORTS [Go to Page]
- 5.1 INTRODUCTION AND SCOPE
- 5.2 HANGERS AND SUPPORTS COMMENTARY
- 5.3 DUCT LOADS COMMENTARY
- 5.4 GENERAL GUIDELINES
- 5.5 METHODS FOR HANGING AND SUPPORTING DUCT
- 5.6 DUCT HANGERS AND SUPPORTS
- 5.7 GASKETS, CAULKING, AND JOINT SEALANTS
- Table 5-1 Maximum Allowable Load at Points of Support - Carbon and Galvanized Steel Ducts
- Table 5-2 Maximum Allowable Load at Points of Support - Aluminum Ducts
- Table 5-3 Support Capacity of Horizontal Channel
- Table 5-4 Support Capacity of Horizontal Angle
- Table 5-5 Standard Steel Pipe Column - Load Tables
- Table 5-6 Hanger Rod Capacity
- Table 5-7 Hanger Bar Capacity
- Table 5-8 Hanger Angle Capacity
- Table 5-9 Knee Brace Hanger Capacity
- Table 5-10 Knee Brace Support Capacity
- Table 5-11 Bolt Stress Area
- Table 5-12 Grade Markings for Steel Bolts
- Table 5-13 Gaskets, Caulking, and Joint Sealants
- Table 5-13 Gaskets, Caulking, and Joint Sealants (continued)
- FIGURE 5-1 DEFINITION OF RISER SUPPORT LOADS
- FIGURE 5-2 HANGER ATTACHMENTS TO STRUCTURES
- FIGURE 5-3 UPPER ATTACHMENT DEVICES - TYPICAL
- FIGURE 5-4 RECOMMENDED HANGER SPACING IN REFERENCE TO UNREINFORCED JOINT
- FIGURE 5-5 METHODS FOR HANGING ROUND INDUSTRIAL DUCT
- FIGURE 5-6 SUPPORT SCHEMES WITH EXTENDED RATINGS
- FIGURE 5-7 DUCT SADDLES
- FIGURE 5-8 EXPANSION HANGER AND SUPPORTS
- FIGURE 5-9 RISER SUPPORT - FROM FLOOR/BUILDING STRUCTURE
- FIGURE 5-10 ROUND INDUSTRIAL DUCT SUPPORT METHODS
- FIGURE 5-11 ROUND INDUSTRIAL DUCT SUPPORT METHODS (CONTINUED)
- FIGURE 5-12 RISER SUPPORTS - FROM FLOOR
- FIGURE 5-13 ROUND INDUSTRIAL DUCT SUPPORT METHODS
- FIGURE 5-14 HANGER FOR DUCT
- FIGURE 5-15 DUCT HANGER DETAIL
- FIGURE 5-16 TRAPEZE TYPE SUPPORTS
- FIGURE 5-17 TRAPEZE TYPE SUPPORTS (CONTINUED)
- FIGURE 5-18 SUPPORTS FROM WALL
- CHAPTER 6 FITTINGS, VENTS, DOORS & OTHER APPURTENANCES [Go to Page]
- 6.1 DUCT AND FITTING DESIGN
- 6.2 RELIEF VENTS
- 6.3 CLEANOUTS
- 6.4 TEST AND SAMPLING OPENINGS
- 6.5 USE OF DAMPERS AND VALVES
- FIGURE 6-1 DUCT BRANCH PIPE ENTRIES
- FIGURE 6-2 PANT FITTINGS OR WYE BRANCH
- FIGURE 6-3 REDUCERS AND SQUARE TO ROUNDS
- FIGURE 6-4 VARIOUS RECTANGULAR FITTINGS
- FIGURE 6-5 SEGMENTED ELBOWS
- FIGURE 6-6 FLATBACK ELBOWS
- FIGURE 6-7 PRESSURE RELIEF AND EXPLOSION DOORS
- FIGURE 6-8 EXPLOSION DOOR
- FIGURE 6-9 CLEANOUT / ACCESS DOORS
- FIGURE 6-10 CLEANOUT / ACCESS DOORS
- FIGURE 6-11 CLEANOUT / ACCESS DOORS
- FIGURE 6-12 ACCESS DOORS
- FIGURE 6-13 BLAST GATE AND CUTOFFS
- FIGURE 6-14 SHOP FABRICATED GATES
- FIGURE 6-15 SHOP FABRICATED BUTTERFLY DAMPERS
- FIGURE 6-16 COMMERCIAL BUTTERFLY DAMPERS
- CHAPTER 7 STACKS AND DISCHARGE DUCTS [Go to Page]
- 7.1 STACKS AND DISCHARGE DUCTS
- 7.2 STACK SAMPLING FACILITIES
- FIGURE 7-1 VERTICAL DISCHARGE STACK
- FIGURE 7-2 TYPICAL STACK THRU ROOF
- FIGURE 7-3 AUTOMATIC STACK CAP
- FIGURE 7-4 TYPICAL (GOOSENECK) AIR OUTLET
- FIGURE 7-5 TYPICAL STACK SAMPLING FACILITIES (PLAN VIEW)
- FIGURE 7-6 TYPICAL STACK SAMPLING FACILITIES (ELEVATION VIEW)
- CHAPTER 8 [Go to Page]
- 1. Introduction
- 2. Contents
- 3. Importance of Surface Preparation
- 4. Surface Conditions
- 5. Summary of SSPC Surface Preparation Standards
- 6. Selection of Abrasives, Blast Cleaning Parameters, and Equipment
- 7. Summary of SSPC Abrasive Standards
- 8. Wet Abrasive Blast and Waterjetting Methods
- 9. Other Cleaning Methods
- 10. Film Thickness
- 11. Consensus Reference Photographs
- 12. Other SSPC Surface Preparation Documents in This Volume
- 13. Non-SSPC Cleaning Standards
- 14. Surface Preparation of Concrete for Coating
- 15. Surface Preparation of Other Metallic Surfaces
- TABLE 8-1 SUMMARY OF CURRENT SSPC ABRASIVE AND SURFACE PREPARATION STANDARDS AND SPECIFICATIONS
- TABLE 8-2 RELATIVE RANKING OF SSPC SURFACE PREPARATION STANDARDS FOR STEEL BASED ON THOROUGHNESS OF CLEANING
- TABLE 8-3 THRESHOLD LIMIT VALUES (TLV) FOR SOLVENTS4
- TABLE 8-4A COMPARISON OF SSPC AND ISO SURFACE PREPARATION STANDARDS FOR POWER-AND HAND-TOOL CLEANED STEEL
- TABLE 8-4B COMPARISON OF SSPC AND ISO SURFACE PREPARATION STANDARDS FOR BLAST CLEANED STEEL
- TABLE 8-5 PHYSICAL DATA ON NON-METALLIC ABRASIVES
- TABLE 8-6 APPROXIMATE PROFILE HEIGHT OF BLASTED STEEL USING DIFFERENT SIZE ABRASIVES*
- TABLE 8-7 SSPC DEFINITIONS OF WATER CLEANING AND WATERJETTING
- APPENDIX A REFERENCED DOCUMENTS [Go to Page]
- A.1 REFERENCED DOCUMENTS
- APPENDIX B WELDING SYMBOLS [Go to Page]
- B.1 WELDING SYMBOLS
- FIGURE B-1 STANDARD LOCATION OF ELEMENTS OF A WELDING SYMBOL
- FIGURE B-2 SUPPLEMENTARY SYMBOLS
- FIGURE B-3 TYPICAL WELD SYMBOLS USED FOR SHEET METAL AND LIGHT PLATE [Go to Page]