Title: Interpret drawing dimensions.
Course: Carpentry II (17003-II) > Section: Interpreting Blueprints

Interpretation should include

- locating dimension lines
- aligning column and pier forms
- reading the dimensions
- distinguishing between exterior and interior measurements
- identifying drawing dimensions and discrepancies
- describing a request for information (RFI) and when it is used
- reading window and door schedules.

Process/Skill Questions:

- How can one find the dimensions of a room if they are not on the plans?
- What should be done if the dimensions on the drawing are found to be incorrect?

NCCER Core: Introduction to Basic Construction Skills
Module 00105 Introduction to Construction Drawings provides trainees with the information and skills needed to read and understand construction drawings. This module includes a set of four oversize drawings, which is included as an Appendix in the Trainee Guide. The drawings are also available for download from www.nccerirc.com.

NCCER Carpentry
General Carpentry, Module 27114 Principles of Site and Building Layout explains how carpenters use specific construction drawings, as well as measuring tools and leveling instruments to perform basic site and building layout activities. Along with providing step-by-step instructions, this module describes the use of construction drawings and math to guarantee the accuracy of the building site.