Study sets, textbooks, questions
Upgrade to remove ads
Construction Coordinator Lesson 10
Terms in this set (10)
A chain trencher
Should be inspected for any loose bolts, broken chain teeth, or any types of fluid leaks before beginning its operation.
When digging the trench,
First confirm that all utilities have located their lines.
What may be required to remove a very large rock from the ground during trenching?
What is the proper method for removing the coaxial cable from its reel for a direct burial operation?
With the reel on an appropriate stand, pull the cable from the bottom of the reel.
When directly burying coaxial cable,
Avoid reverse bending of the coaxial cable when unreeling the coaxial cable.
How much contraction will 1,200 feet of conduit have if the temperature changes from 94 degrees F to 54 degrees F when the rate of contraction is 1 1/2 inches per 100 feet per 20 degrees F change?
What is the purpose of a portable conduit fishing system?
It is used to blow a pull-line through the conduit.
What are some of the factors in determining the total length of preassembled cable in a conduit for a trench site?
Thermal expansion/contraction allowance.
When backfilling the trench,
Gravel, a soil stabilizer, or a slurry mixture should be used when proper compaction is difficult to obtain with the present trench material.
The boom on a chain trencher
Is usually spring-loaded to create tension on the chain.
Sets found in the same folder
Construction Coordinator 1 to 2 Lesson 1
Construction Coordinator 1 to 2 Lesson 2
Construction Coordinator 1 to 2 Lesson 3
Coordinator 1 to 2 Lesson 4
Other sets by this creator
Path to Field Tech I and II (to advance to FT III)
Construction Coordinator 1 to 2 Lesson 10
Construction Coordinator 1 to 2 Lesson 9
Construction Coordinator 1 to 2 Lesson 8