Civil Drawings

Question 1

The GPS system used by professional surveyors establishes “state plan coordinates,” which are recognized as official coordinates by the United States Geographical Service (USGS).

Question 2

The USGS is charged with establishing official benchmarks showing elevation and coordinates along major highways.

Question 3

Most GPS systems used in the electrical industry are accurate to within ?

Answer 3

three feet

Question 4

systems used by professional surveyors are accurate to within ? and cost upwards of $50,000 for a field unit.

Answer 4

millimeters

Question 5

The symbols and abbreviations shown on a print are the only ones that can be used on the particular print they apply to.

Question 6

Any changes that are made, however small, must be noted and approved by the proper authority. A small change may only require a note attached to the print, while a major change may require redrawing the blueprint.

Question 7

Notes Specifications: Concrete shall have a compressive strength of 5,000 PSI in 28 days. Maximum slump shall not exceed 4 inches.

Question 8

Notes Specifications: Reinforcing steel shall confirm to ASTM A615, Grade 60.

Question 9

Notes Specifications: All exposed concrete edges shall have a 3/4” chamfer (unless noted).

Question 10

Notes Specifications: All exposed concrete is to be properly cured by covering with polyethelene sheets for a minimum of 7 days. Curing material shall be spread as soon as possible without damaging concrete.

Question 11

The finished grade elevation for the substation site is shown on the ? .

Answer 11

Legend