When superstructure base plates are set on leveling nuts, the bottom of the nuts must be ____ the concrete foundation.
a. flush with
b. high enough to allow for grout above
c. less than ½ inch above
d. no more than 1 ½ bolt diameters above
Substation Construction Guidelines Textbook, Chap. 6, Pg. 164, Top of the Page, Number 3
d. no more than 1 ½ bolt diameters above
A low profile substation superstructure is usually the ____ type.
a. beam
b. lattice
c. modular
d. tube
Substation Construction Guidelines Textbook, Chap. 6, Pg. 164, “Before Field Assembly,” Paragraph 1, Sentence 3
c. modular
Assembly of the ____ type superstructure is the most time-consuming and complex.
a. beam
b. lattice
c. modular
d. tube
Reference: Superstructure Assembly and Erection Part 1, “Lattice Work,” Paragraph 1, Last Sentence
b. lattice
The predominate finish for steel substation structures is ____.
a. alumiweld plating
b. galvanizing
c. marine grade lead base paint
d. powder coating
Reference: Superstructure Assembly and Erection Part 1, “Steel,” Paragraph 1, Sentence 3
b. galvanizing
The standard grade for beam or lattice steel is typically ____.
a. ASTM A-36
b. Class 2
c. Forged Rail
d. Grade 8
Reference: Superstructure Assembly and Erection Part 1, “Steel,” Paragraph 1, Sentence 6
a. ASTM A-36
The OSHA Construction Standards regarding steel erection are found in 1926 Subpart ____.
a. K-Steel Erection
b. P-Steel Erection
c. R-Steel Erection
d. U-Steel Erection
Reference: Superstructure Assembly and Erection Part 1, “OSHA,” Paragraph 1, Sentence 2
c. R-Steel Erection
The OSHA standard that covers steel erection only applies to office buildings.
True or False?
Reference: Superstructure Assembly and Erection Part 1, “OSHA,” Paragraph 1, Sentence 3
False
Before steel erection begins, the supporting concrete foundations must be either ____ of the intended minimum compressive design strength or of sufficient strength to support the loads imposed during steel construction.
a. 75%
b. 80%
c. 85%
d. 90%
Reference: Superstructure Assembly and Erection Part 1, “OSHA,” Paragraph 2, Sentence 1
a. 75%
The type of substation superstructure that is considered aesthetically displeasing is the ____ type.
a. concrete
b. lattice
c. low profile
d. modular
Reference: Superstructure Assembly and Erection Part 1, “Lattice Work,” Paragraph 2, Last Sentence
b. lattice
When nuts are installed to bolted steel, the bolts should be long enough so that ____.
a. at least two threads are seen protruding though the nut
b. double nuts can be fitted
c. eye nuts for rigging points can be temporarily installed
d. they can be used as steps for climbers
Substation Construction Guidelines Textbook, Chap. 6, Pg. 165, “Bolts,” Paragraph 1, Sentence 4
a. at least two threads are seen protruding though the nut
No amount of reaming, chipping, or cutting is allowed for proper fitting of structural steel members.
True or False?
Substation Construction Guidelines Textbook, Chap. 6, Pg. 163, “Correction of Shop Errors,” Paragraph 1, Sentence 1
False
The elevation of foundation bearing surfaces must be verified before the start of steel erection.
True or False?
Substation Construction Guidelines Textbook, Chap. 6, Pg. 163, “Erection,” Base Plates, Number 1
True
Pipe and square tube sections of superstructures are normally constructed of ____ steel.
a. ANSI Axel Grade
b. ASTM A53 Grade B
c. Billet Grade 2
d. Rail Grade 3
Reference: Superstructure Assembly and Erection Part 1, “Steel,” Paragraph 1, Last Sentence
b. ASTM A53 Grade B
The structure’s orientation, size, length, the number on it, and the proper torque of the connection bolts is shown on the ____.
a. architectural drawings
b. mechanical drawings
c. staking sheet
d. structural drawings
Substation Construction Guidelines Textbook, Chap. 6, Pg. 164, “Assembly,” Paragraph 1, Sentence 1
d. structural drawings
When working with lattice steel, each member will have a number stamped on it.
True or False?
Substation Construction Guidelines Textbook, Chap. 6, Pg. 164, “Assembly,” Paragraph 1, Last Sentence
True
If leveling nuts are used on a foundation, it is easier to adjust them relative to each other after the structure is set.
True or False?
Substation Construction Guidelines Textbook, Chap. 6, Pg. 164, “Note”
False
Most new substation structures are ____, meaning a set of units is fitted together. Assembly and erection details are provided in the blueprints.
a. integrated
b. modular
c. prefabricated
d. sectional
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 4, Pg. 137, “Erecting Station Structures,” Paragraph 1, Sentence 1
b. modular
New substations are never constructed using wooden poles.
True or False?
Substation Construction Guidelines Textbook, Chap. 6, Pg. 164, “Before Field Assembly,” Paragraph 1, Sentence 2
False
