Manual of Standard Practice - CRSI

1 ContentsPreface iChapter 1 Material Specifications for Reinforcing Bars Introduction Reinforcing Bars ACI 318 Code Requirements for 1-1 Reinforcing Specialty Reinforcing Bars Spiral Reinforcement Standard Sizes Material Welding of Reinforcing Bars Material Specifications and Welding Code Project Drawings and Project Specifications CRSI Recommendations Identification Marks 1-5 ASTM Standard Reinforcing BarsChapter 2 Welded Wire Reinforcement (WWR) Introduction ASTM Specifications WWR Style Identification Specifying Welded Wire Reinforcement Detailing Welded Wire Reinforcement Width Length ASTM Specification for Epoxy-Coated Wire 2-2 and Welded Wire Reinforcement ASTM Specification for Zinc-Coated (Galvanized) 2-2 Steel Welded Wire ASTM Specification for Stainless-Steel 2-2 Welded Wire Rust Handling, Shipping and Unloading 2-3 Chapter 3 Supports for Reinforcement (Bar Supports)

2 Introduction Side-Form Spacers Recommendations for Bar Supports Standard , Non-Coated Epoxy-Coated or Dual-Coated Galvanized Stainless-Steel Low-Carbon, Chromium Placing Bar Supports Application and Use of Bar Supports Slabs-on-Ground, Grade Beams 3-7 and Foundation Joist Construction Side-Form Spacers Recommended Details and 3-8 Placing One-Way Solid Slabs Joists Beams and Girders Sequence of Placing Bar Supports and 3-10 Reinforcing Bars in Two-Way Flat Sequence of Placing Bar Supports and 3-11 Reinforcing Bars in Two-Way Flat Sequence of Placing Bar Supports and 3-12 Reinforcing Bars in Two-Way Waffle Flat Bar Supports for Special Conditions One-Way Slabs on Corrugated 3-13 Steel Forms Placing Foundation Mats and Slabs on Ground 3-14 or on Bar Supports for Highway Bridge slab 3-15 Slabs on Flat Formwork Slabs on Permanent Corrugated 3-16 Steel FormsChapter 4 Notes and Recommendations to the Architect/Engineer Introduction Recommended Industry Practices

3 General Structural Drawings, Details, 4-1 and Sizes of Reinforcing Bars and Spirals Grade or Minimum Yield Strength Designation Standard Notation Project Drawings 4-2iiiConcrete Reinforcing Steel Institute Manual of Standard Length of Reinforcing Bars Beams and Girders Joist Construction Flat Plates and Flat Slabs Post- tensioned Beams and Slabs Falsework and Form Reuse Columns Structural Integrity Joists Beams Two-Way Slabs Splices Designing with Specialty Reinforcing Bars Fabrication of Reinforcing Bars Placing Drawings Special Services and Items Field Cutting of Reinforcing Bars 4-6 Suggested Specifications for Reinforcing Steel 4-7 Chapter 5 Recommended Industry Practice for Estimating Reinforcing Materials and Services Introduction Scope General

4 Fabrication Extras Bar Sizes Grades Bending Special Services Special Items Radial Prefabrication (Bend Type 109) Standard Hooks Hooks on Main Reinforcement Tie or Stirrup Hooks Splicing of Bars Lap Splices Mechanical Splices, Welded Splices 5-4 and Bar End Bar Dimensions, Extensions and Cut-Offs Beams, Joists and Slabs Columns Footings Dowels Column Ties Beam or Girder Stirrups Column Spirals Spacers for Spiral Reinforcement Temperature-Shrinkage Reinforcement Slabs, Walls, Mats, or Footings Bar Spacing Joists Adjoining Beams or Walls Corner Bars Bar Supports Side-Form Spacers Welded Plain or Deformed Wire Reinforcement Post- tensioned Construction Placing Facilitation 5-6 Chapter 6 Recommended Industry Practice for Detailing Concrete Reinforcing Steel Introduction Technical Service by Seller Types Responsibility Performance Placing Drawings 6-1 Submissions 6-1 Corrections 6-1 Approved Copies Detailer Responsibilities Introduction Effective Communication and Teamwork Adherence to the Contract Scope Adherence to the Contract Documents Understanding Construction Means 6-2 and Clarifying Missing or Contradictory 6-2 Information Asking

5 Questions on Placing 6-3 Drawings Writing a Successful RFI Planning the Submittal Sequence Creating the Placing Drawing Submittal Revising the Returned Placing Drawings Tracking Revisions 6-5ivConcrete Reinforcing Steel Institute Manual of Standard Creating the Bar Lists Conclusion Placing Drawings Introduction Placing Drawing Content Placing Drawing Sizes and Scales Placing Drawing Layout Placing Drawing Presentation Placing Drawing Minimum Requirements Miscellaneous Detailing Practices Sharing of CAD Files Correctly Using Bar Diameter when 6-11 Correctly Using Concrete Cover when 6-12 Lap Splices Typical Bend Shapes, Measuring Points, 6-12 Fabrication Tolerances and Standard Hooks Typical Bend Shapes, Measuring 6-12 Points and Fabrication Tolerances Standard Hooks Recommendations for Location of First 6-13 and Last Detailing for Constructability 6-23 Confined Bars Terminating with Hook(s) Temperature-Shrinkage Reinforcement Precast Work Post- tensioned Work Masonry Reinforcement Bar Supports Placing Facilitation Metric Reinforcing Bar Detailing Detailing for Specialty Reinforcing Bars Uncoated Carbon Steel Reinforcing Bars Epoxy-Coated Reinforcing Bars Galvanized Reinforcing Bars Dual-Coated Reinforcing Bars Stainless-Steel Reinforcing Bars Low-Carbon, Chromium Reinforcing Bars 3D Modeling and BIM Introduction to Building Information 6-26 Level of Development (LOD)

6 Benefits of BIM IFC Files and BIM File Transfers State of the Technology 6-27 Chapter 7 Recommended Industry Practices for Fabrication of Concrete Reinforcing Steel Introduction Typical Bend Shapes Guidelines for Typical Bend Shapes Categories of Bend Shapes Bend Class Dimensions of Bend Shapes Bend Shape Names Leg Names / Dimensions for Bend Shapes Complete and Partial Bend Shapes Standard Hooks Bend Diameters General Information on Bend Diameters Bend Diameter Requirements Comparison Special Bend Diameter Requirements for 7-16 Galvanized Reinforcing Sizing of Bending Pins Inspection of Finished Bent Bars Typical Measuring Points Standard Fabricating Tolerances Bend Curvature Special Bend Shapes Bending Quality and Inspection Typical Bundling and Tagging Bundles Lifts Weights of Bundles or Lifts Ties Tags Special Bundling and Tagging Typical Fabrication Special Fabrication Radial Prefabrication (Bend Type 109) Round Spirals (Bend Types 400 to 405) Round Spirals (Bend Types 400 to 402) Square Spirals (Bend Types 403 to 405)

7 Shipment Considerations Extra Work or Materials Special Services Special Items 7-26vConcrete Reinforcing Steel Institute Manual of Standard Fabrication for Specialty Reinforcing Bars Uncoated Carbon Steel Reinforcing Bars Epoxy-Coated Reinforcing Bars Galvanized Reinforcing Bars Dual-Coated Reinforcing Bars Stainless-Steel Reinforcing Bars Low-Carbon, Chromium Reinforcing Bar 7-29 Chapter 8 Recommended Industry Practice for Placing Reinforcing Bars Introduction Fusion Welding of Reinforcing Bars Surface Condition of Reinforcing Bars Epoxy-Coated, Galvanized or Dual-Coated 8-1 Reinforcing Stainless-Steel Reinforcing Bars Field Re-alignment of Reinforcing Bars Spacing of Reinforcing Bars Splices in Reinforcing Bars General Lap Splices Mechanical Splices 8-2 Epoxy-Coated or Dual-Coated 8-2 Reinforcing Bars Galvanized Reinforcing Bars 8-2 Stainless-Steel Reinforcing Bars 8-2 Low-Carbon, Chromium Reinforcing 8-2 Welded Splices 8-2 Epoxy-Coated Reinforcing Bars 8-2 Galvanized Reinforcing Bars 8-2 Dual-Coated Reinforcing Bars 8-3 Stainless-Steel Reinforcing Bars 8-3 Low-Carbon, Chromium Reinforcing 8-3 Embedment and Extensions Tolerances in Placement Supports for Reinforcement (Bar Supports)

8 Concrete Protection for Reinforcing Bars Cast-In-Place Concrete (nonprestressed) Precast Concrete (manufactured 8-4 under plant control conditions) Cast-In-Place (prestressed) Corrosive Atmosphere or Severe Exposure Field Cutting of Reinforcing Bars Epoxy-Coated or Dual-Coated 8-5 Reinforcing Galvanized Reinforcing Bars Stainless-Steel Reinforcing Bars Low-Carbon, Chromium Reinforcing Bars Handling and Storage Epoxy-Coated or Dual-Coated 8-5 Reinforcing Galvanized Reinforcing Bars Stainless-Steel Reinforcing Bars Low-Carbon, Chromium Reinforcing Bars Tying Epoxy-Coated or Dual-Coated 8-6 Reinforcing Galvanized Reinforcing Bars Stainless-Steel Reinforcing Bars Low-Carbon, Chromium Reinforcing Bars Field Bending Epoxy-Coated or Dual-Coated 8-6 Reinforcing Galvanized Reinforcing Bars Stainless-Steel Reinforcing Bars Low-Carbon.

9 Chromium Reinforcing Bars 8-7 Chapter 9 Recommended Industry Practice for Contract Components Preface Material Supply Contract Project and Location Materials and Services Price Transportation Extra Transportation Refusal of Shipment by Buyer Title Transfer Over-Dimensional Material Waiting Time Terms of Payment Delay or Impossibility to Perform Testing Buyer s Remedies Claims 9-2viConcrete Reinforcing Steel Institute Manual of Standard Taxes Warranty Unspecified Items Acceptance of Offer Representations Contract Documents Penalties Material Supply and Installation Contract Preface Terms of Payment Backcharges Project Progress Schedule Labor by Others Overtime Job-site Equipment and Conditions Insurance and Bonds Hold Harmless Delays in Performance Arbitration Subcontracting Acceptance Miscellaneous Safety Code Citations and Violations 9-4 Chapter 10 Notes on Concrete Joist and Voided Concrete slab Construction Concrete Joist Construction Introduction Design Joist Forms Standard Sizes Voided Concrete slab Construction Introduction Design Voided Slabs Standard Sizes Additional Information 10-2 Chapter 11 Highways and Bridges 11- Introduction Corrosion Protection of the Reinforcement Bridges Pavements Bridge Decks First Bar Placement Slabs on Flat Formwork Slabs on Corrugated Steel Forms Location and Types of Bar Supports for 11-1 Bridge Bridge Deck Slabs on Flat Formwork Bridge Deck Slabs on Permanent 11-4

10 Corrugated Steel Bridge Railings, Sidewalks, Barrier Walls, 11-4 and Bridge Approach Slabs Bridge Abutments Bridge Bents Retaining Walls Sound Walls Sign and Light Pole Foundations Drainage Structures Pavements Continuously Reinforced Concrete 11-5 Pavement (CRCP) Jointed Reinforced Concrete Pavement 11-5 (JRCP) Jointed Plain Concrete Pavement (JPCP) 11-5 Chapter 12 Sustainability in Reinforced Concrete Introduction Definition Keys to Reinforced Concrete Sustainability Industry Position Product Category Rules and Environmental 12-2 Product DeclarationAppendix A Manufacturers of Concrete Reinforcing Bars A-1 Appendix B Legacy Bar Bends B-1 Appendix C Notes on Metrication C-1 Appendix D References D-1 Glossary G-1 Index I-1viiConcrete Reinforcing Steel Institute Manual of Standard Practic