Construction Document Technician (CDT)

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Construction Document Technician (CDT)

ISBN: 978-1-939877-05-5

A comprehensive understanding of the project’s construction documents is necessary to prepare an estimate for submitting a bid and to prepare a project schedule for controlling costs after the contract is awarded.

Title information

Sections and Objectives

  1. 1. Civil Drawings
  2. 2. Architectural Drawings
  3. 3. Structural Drawings
  4. 4. Mechanical Drawings
  5. 5. Electrical Drawings
  6. 6. Project Manual
  7. 7. Specifications

Civil Drawings

  • Identify factors in site selection and planning
  • Understand how to read a topographic survey plan
  • Identify symbols used to classify various soil types
  • Understand how to read a site plan
  • Distinguish between an earth change plan and an erosion and sedimentation control plan

Architectural Drawings

  • The various types of drawings that comprise the working drawings of a project
  • The sheet sequence for a set of working drawings
  • Plan, section, and elevation symbols
  • Common abbreviations and dimensioning practices

Structural Drawings

  • Identify the types of structural drawings used for:

          - cast-in-place concrete
          - precast/pre-stressed concrete
          - structural steel

  • Understand how precast panels are erected
  • Become familiar with the various types of welding symbols
  • Understand how structural steel members are dimensioned

Mechanical Drawings

  • Describe the types of mechanical systems found in buildings:

           - HVAC
           - plumbing
           - Fire protection

  • Identify drawing symbols common to mechanical drawings
  • Understand the purpose of riser diagrams

Project Manual

  • Understand what comprises the project manual
  • Understand which documents become part of the contract and which do not
  • Identify information contained in the Invitation to Bid versus the Instructions to Bidders
  • Identify components of a bid form
  • Define the various types of bonds.
  • Distinguish between general and supplementary conditions.

Electrical Drawings

  • Identify common types of electrical equipment, lighting fixtures, and wiring systems
  • Identify types of over-current protection
  • Identify drawing symbols common to electrical drawings
  • Understand the purpose of single line diagrams


  • Understand the organization and numbering system of the 2004 CSI Masterformat
  • Distinguish between the various types of specifications.
  • Understand the three parts that comprise a specification section.
Pages: 161
Publisher: NAWIC Education Foundation
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