Concrete 101
How is concrete SLUMP measured
Filling of a cone and measurement of "sag" over a period of time
What does the term "RCP" stand for?
Reinforced, Concrete, Pipe
What does the abbreviation Cx stand for?
Comissioning
When should you arrive to an Owners meeting that starts at 10:00 a.m.?
At least 10 to 15 Minutes in ADVANCE.
What is the term EMT stand for?
Electro Metallic Conduit
Is it better to pour concrete slabs in rectangular pours our in square pours?
SQUARE
Ductile, Iron, Pipe.
Regarding gas pipe... At what size does pipe typically have to become welded rather than threaded?
TWO (2") INCHES
When asked a question and you don't have an immediate answer, what should you do first?
Acknowledge (same day) the inquiry and advise you are WORKING on it
Given the same wire size.... Can Copper or Aluminum carry more power?
Copper
Regarding Rebar sizing... What does the #x (No. Size) stand for?
The number indicates the number of 1/8" to multiply by to find the total diameter
The definition of "Invert" is?
A survey elevation of the flow line of a pipe.
Term used for water cooling or heating "______" System
HYDRONIC
When attempting to coordinate trades regarding a topic that you are not technically versed in... What should you do?
ADMIT it and ASK Questions with the Team.
What three colors of wires do you see when looking at 3 phase wires?
Brown, Yellow, Orange
What is typically the No.1 most likely cause of excessive CRACKING in concrete?
Excessive WATER in the Mix
Followed by Lack of Control Joints
What "Type" is the most common curb inlet called?
Type R
What does a Circuit Setter control?
FLOW of fluid
Maximum amount of time to pass B4 you confront/discuss a issue of irritation?
24 Hours (Best) or no more than 2 Business Days
In succession...What nominal 3Ph voltage follows.. 208V then 480V then ______V
4160 Volt
What typically are the top two reasons to cause concrete to "Curl"?
1. High Concrete Content (i.e. 5000 psi)
2. Un-Equal drying of the concrete
Plastic material used to stabilize soft soil under paving? Also used as a structural element in Retaining Walls
GEOGRID FABRIC
What two terms OR devices control a fluid valve electronically?
ACTUATOR and SOLINOID
What do you Need? or How can I improve the issue or circumstance.
What causes a motor to "Rotate Backwards" and what is the solution to proper Rotation
The connections in 3 phase power is backwards.
Swap the A and C phase connections