IPT’s Guide to Blueprint Interpretation
A Required Resource in a Convenient Size
IPT’s Guide to Blueprint Interpretation includes a wealth of information on drawing types, conventions and interpretation. Presented in a format unique to IPT, the layout allows for inclusion of complete industrial drawings. Each drawing also features comprehensive review questions and answers.
Blueprint Interpretation is Only the Beginning
IPT’s Blueprint Interpretation guide is a must for trade and tech school blueprint classes, apprenticeship and upgrading courses, or for anyone who layouts, welds, fabricates, constructs or hoists steel components. This manual’s focus on industrial skills makes it the perfect complement to the IPT Pipe Trades and the IPT Metal Trades & Welding manuals.
| Types of Drawings | 2,3 | Thread Classes | 18 |
| Architectural Drawings | 2 | Metric Designation | 18 |
| Engineering Drawings | 2 | Inch Designation | 18 |
| Shop Drawings | 2 | Thread Representation | 18,19 |
| Erection Drawings | 2,3 | Welding Symbols | 19-31 |
| Assembly Drawings | 3 | Welding Terminology | 19,20 |
| Alphabet of Lines | 3-5 | Basic Weld Types | 20,21 |
| Visible Lines | 3 | Basic Weld Symbols | 21,22 |
| Hidden Lines | 4 | Basic Welding Symbol | 22 |
| Center Lines | 4 | Supplementary Symbols | 23 |
| Dimension Lines | 4 | Elements of Welding Symbol | 23,24 |
| Extension Lines | 4 | Interpreting Symbols | 24-31 |
| Leader Lines | 4 | Types of Drawing Views | 32-35 |
| Cutting Plane Lines | 4 | One View Drawings | 32 |
| Break Lines | 5 | Multiview Drawings | 32 |
| Phantom Lines | 5 | Orthographic Projection | 33,35 |
| Section Lines | 5 | Pictorial Drawings | 35,36 |
| Symbols & Abbreviations | 5-8 | Isometric Drawings | 36 |
| Dimensioning Systems | 8-16 | Oblique Drawings | 36 |
| Unidirectional Dimensions | 8 | Perspective Drawings | 36 |
| Aligned Dimensions | 9 | Interpreting Drawings | 37 |
| Dimensioning Guidelines | 9,10 | Layout of Drawings | 38-41 |
| Linear Units | 10,11 | Title Block | 39 |
| Decimal Dimensions | 11 | Bill of Materials | 39,40 |
| Dimension Tolerances | 12 | Revision Chart | 40 |
| Dimensioning Systems | 12-14 | Drawing Specifications | 40 |
| Conventional Dimensioning | 12,13 | Drawing Notes | 41 |
| Baseline Dimensioning | 13,14 | Reference Drawings | 41 |
| Group Dimensioning | 14 | Right & Left Views | 41,42 |
| Dimensioning Holes | 14,15 | Supplementary Views | 42-44 |
| Bolt Circles | 15 | Auxiliary Views | 45 |
| Curved & Radius Dimensions | 15,16 | Scale Drawings | 45-47 |
| Bevel-Slope-Pitch | 16 | Detail & Assembly Drawings | 47,48 |
| Degree of Finish | 16 | Assembly & Erection Drawings | 48,49 |
| Thread Designations | 17-19 | Care of Drawings | 50 |
| Unified Standard | 17 | Freehand Sketching | 50-54 |
| Metric Threads | 17 | Questions | 55-57 |
| Thread Nomenclature | 17,18 | | |
| Pressure Vessel Components | 60-67 | Vortex Breakers | 66 |
| Heads | 60 | Weld Seams | 67 |
| Shell | 61 | Vessel Drawing Views | 67-71 |
| Saddles | 61 | Orientation View | 67-69 |
| Skirts | 62 | Elevation View | 69-71 |
| Nozzles | 62 | Details and Sections | 71 |
| Manways and Davits | 63 | Vessel Drawing Layout | 71,72 |
| Reinforcing Pads | 63 | Interpreting Drawings | 72 |
| Ladders and Platforms | 63-65 | Nozzle Schedule | 72 |
| Nameplate | 65 | Drawing Questions | 73-94 |
| Trays | 65,66 | Air Receiver Drawing | 73-78 |
| Demisters | 66 | Water Column Drawing | 79-85 |
| | | Propane Vessel Drawing | 85-94 |
| Introduction | 96 |
| Types of Tanks | 96 |
| Tank Components | 96-99 |
| Floor | 96,97 |
| Self Supporting Roof | 97,98 |
| Supported Roof | 98 |
| Floating Roof | 98,99 |
| Tank Questions | 99-113 |
| Tank Drawing One | 100-105 |
| Tank Drawing Two | 105-113 |
| Reinforced Concrete Drawings | 198 |
| Reinforced Concrete Views | 198 |
| Title Block | 198,199 |
| Drawing Notes | 199 |
| Floor Plan Drawings | 199,200 |
| Details & Section Views | 200,201 |
| Beam & Slab Schedules | 201,202 |
| Steel Reinforcing Bars | 202,203 |
| Reinforcing Bar Placement | 203 |
| Floor Plan Drawing | 204-207 |
| Building Drawing #5 | 207-212 |
| Curtain Wall Panels | 212,213 |
| Curtain Wall Views | 213-215 |
| Window Detail Drawing | 215-219 |
| Basic Boiler Design | 222 | Burners | 227,228 |
| Firetube Boilers | 222 | Draft Fans | 227,228 |
| Watertube Boilers | 222-224 | Downcomers | 227,228 |
| Steam Generator Parts | 224,225 | Headers | 227,228 |
| Component Definitions | 225-228 | Riser Tubes | 227,228 |
| Steam Drum | 225-227 | Coal Pulverizers | 227,228 |
| Lower Drum | 225-227 | Boiler Air Flow | 228,229 |
| Superheaters & Reheaters | 226,227 | General Boiler Questions | 228,231 |
| Economizer | 226,227 | Boiler Drawing #10 | 231-234 |
| Air Heater | 226,227 | Boiler Drawing #11 | 234-239 |
| Introduction | 242 | Flow Diagram | 254,255 |
| Pipe Sizing | 242,243 | Piping and Instrumentation | 255,256 |
| Types of Lines | 244-247 | Orthographic Projection | 256-258 |
| Flow/Match Lines | 244,245 | Dimensions & Elevations | 257 |
| Single/Double Lines | 244,246 | Pictorial Drawings | 257,258 |
| Line Specification System | 246,247 | Isometric Drawings | 258-261 |
| Line Crossings | 247 | Pipe Spool Drawings | 260-262 |
| Flow Indicators | 247 | Bill of Material | 262 |
| Piping Symbols | 247-250 | General Questions | 263,264 |
| Drawing Abbreviations | 250-252 | Booster Station Drawing | 264-276 |
| Flow Diagrams | 252,253 | Pipe Spool Drawing #26 | 276-278 |
| Site/General/Plan Drawings | 254-262 | Depropanizer Reflux Drawing | 278-283 |
| Pipe Drawing Sequence | 254 | Pipe Spool Drawing #28 | 284-287 |
| Schematic Diagram | 254 | | |
| Types of Cranes | 290,292 |
| Rigging Drawing Purpose | 290,291 |
| Critical Lift Designation | 292 |
| Lift Planning Process | 293 |
| Important Load Factors | 293 |
| Important Site Factors | 293,295 |
| Fin Fan Cooler Drawing | 295-298 |
| Heat Exchanger Drawing | 299-303 |
| Lifting of Module Drawing | 303-310 |
| Fractionator Lift Drawing | 311-318 |
