CA PLS Exam Preparation

Comprehensive preparation for the California Professional Land Surveyor (PLS) exam. Based on the January 2025 Test Plan with 6 modules and 57 topics. Content adapted from CalTrans LS/LSIT Video Exam Preparation Course materials.

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Lesson 6

Construction Staking

Construction Staking

Overview

Construction staking transfers design information to the ground for construction guidance. Accurate staking is essential for proper construction of roads, buildings, utilities, and other improvements.

Learning Objectives

  • Interpret construction plans for staking
  • Set various types of construction stakes
  • Calculate staking data from plans
  • Document staking activities

Key Concepts

Types of Construction Stakes

Common staking applications:

  • Centerline and offset stakes
  • Slope stakes
  • Grade stakes (blue tops)
  • Building layout
  • Utility staking

Staking Calculations

Computations for construction:

  • Cut and fill from design grades
  • Slope intercepts
  • Curve staking data
  • Building corners and offsets
  • Pipe inverts and grades

Staking Procedures

Field procedures for layout:

  • Control verification
  • Instrument setup and checks
  • Stake setting and marking
  • Cut sheet preparation
  • Quality control verification

Documentation

Recording staking activities:

  • Stake location descriptions
  • Cut/fill information
  • Reference points
  • Changes from design
  • Communication with contractor

Key Terms

  • Blue Top: Stake set to finished grade
  • Offset Stake: Stake set at distance from actual position
  • Cut Sheet: Document showing cut/fill at each stake

Practice Questions

  1. How are slope stakes calculated and set?
  2. What information should be included on construction cut sheets?

Based on CalTrans LS/LSIT Video Exam Preparation Course materials.