City of Columbus
Building Services Division
757 Carolyn Ave.
Columbus, OH 43224
Phone: (614) 645-6083 Contractors
Information Site
Exam Administrator
Prometric
ATTN: OH 16 Contracor Program
4383 Professional Parkway
Groveport, OH 43125
Phone: (614) 836-7881, Fax: (614) 836-7883 www.prometric.com/ohio
Exam Type
OPEN BOOK
Exam Content
Subject Area - Part 1
% of Questions
Subject Area - Part 2
% of Questions
Basic Principles
5
Vent Calculations
20
Definitions
7
Drainage Calculations
20
General Regulations
7
Backflow Preventions
10
Materials
5
Isometric Analysis
50
Joints and Connections
5
Drainage Systems
14
Total Number of Test Questions:
50
Indirect Waste
5
Time Allowed (hours)
3.0
Storm Drains
3
Passing score (% of total grade)
50%
Vents and Venting
14
Traps
5
Interceptors
5
Cleanouts
5
Plumbing Fixtures
5
Hangers and Supports
5
Water Supply and Distribution
10
Total Number of Test Questions:
100
Time Allowed (hours)
3.0
Passing score (% of total grade)
50%
NOTE: The examination parts for this exam are weighted. The
weightings are listed under each part number. Your final grade will be a weighted average of all
parts.
Recommended (permitted) Reference Books
1.
Ohio Basic Building Code, Plumbing, 2002,
BOCA International (out of print).