Under the federal NPDES Construction General Permit used as the baseline for New Mexico construction stormwater coverage, a Stormwater Pollution Prevention Plan (SWPPP) is required when land disturbance is one acre or more or when the site is part of a larger common plan that will disturb at least how much area?
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Question · Easy
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Short
What is the primary purpose of a construction-site Stormwater Pollution Prevention Plan (SWPPP)?
On a tank-pad grading site, a silt fence is best classified as which type of control?
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When should perimeter sediment controls such as silt fence or berms be installed on a new tank or tower site?
What is the main purpose of a stabilized construction entrance or exit at a tank-yard or tower compound?
Under EPA Construction General Permit stabilization practice, when construction will stop on an exposed area for 14 or more calendar days, the operator should do which of the following?
Question · Medium
Which silt-fence installation practice is required for the fence to function as a sediment barrier?
Storm-drain inlet protection at a tank or tower site is installed primarily to do which of the following?
Where should concrete washout from tank-foundation or tower-pier pours be directed?
A construction swale will carry concentrated runoff from several acres of a tank site. Which sediment control is the more appropriate choice than a silt fence placed across the channel?
Rock check dams in a temporary drainage swale are used primarily to do which of the following?
In addition to routine scheduled inspections, construction-stormwater practice requires a site inspection after which event?
On a tank-site SWPPP, which pair correctly distinguishes erosion control from sediment control?
Question · Hard
A topsoil stockpile at a tower compound will sit unused for more than 14 days. What stormwater control is required for that pile?
Per 29 CFR 1926.652, each employee in an excavation must be protected from cave-ins by an adequate protective system except when the excavation is made entirely in stable rock or when which other condition is met?
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Per OSHA 1926.651(c)(2), a stairway, ladder, ramp, or other safe means of egress is required in trench excavations that are 4 feet or more in depth so that employees need no more than how much lateral travel?
Per OSHA 1926.651(j)(2), excavated materials and equipment that could fall or roll into an excavation must be kept at least how far from the edge unless a sufficient retaining device is used?
Under OSHA construction rules, a competent person for excavations is someone who can identify existing and predictable hazards and who also has which authority?
Per OSHA 1926 Subpart P Appendix B, what is the maximum allowable slope for Type C soil in an excavation less than 20 feet deep?
Per OSHA Subpart P Appendix B, what is the maximum allowable slope for Type B soil in an excavation less than 20 feet deep?
Per OSHA 1926.651(k), when must a competent person inspect an excavation, adjacent areas, and protective systems?
Per OSHA 1926.652, sloping, benching, shoring, or shielding systems for excavations 20 feet deep or greater must be which of the following?
Per OSHA 1926.1053(b)(1), when a portable ladder is used to reach an upper landing, the side rails must extend at least how far above that landing unless the ladder is secured and a grasping device is provided?
A crew proposes to bench the walls of a 12-foot-deep tank-foundation excavation in Type C soil. What does OSHA Subpart P Appendix B allow?
Per OSHA 1926.651(g), where oxygen deficiency or a hazardous atmosphere could reasonably be expected in an excavation, testing must be conducted before employees enter excavations that are how deep or deeper?
On a critical-path method (CPM) schedule, the critical path is best defined as which of the following?
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A written change order on a tank or tower contract is used to do which of the following?
What does a Notice to Proceed typically authorize on a public tank or tower project?
A tank contractor finds that the overflow-pipe invert elevation on the drawing conflicts with the specified freeboard. The correct first contract communication is which of the following?
Shop drawings for a welded steel tank or tower are submitted so that which of the following can occur?
A punch list on a tank or tower project is best described as which of the following?
Liquidated damages in a tank or tower construction contract are best described as which of the following?
On a CPM network, total float of an activity is best defined as which of the following?
Retainage withheld from tank or tower progress payments is used primarily to do which of the following?
In construction surveying, a benchmark is best defined as which of the following?
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A pipeline or access-road station of 12+40 is how many feet from station 0+00?
A level is set up on a tank site. The backsight on a benchmark of elevation 5,240.00 feet reads 4.25 feet, and the foresight on a turning point reads 6.10 feet. What is the elevation of the turning point?
Why does a survey crew close a level loop back to the starting benchmark after setting tank-foundation grades?
A grade stake at a tank pad is marked “C 1.50.” What should the earthwork crew do at that point?
On a topographic map of a tank site, closely spaced contour lines indicate which condition?
In differential leveling across a large tank site, a turning point is used for which purpose?
Per New Mexico 811 rules, a standard locate request must be made at least how long before excavation starts, not counting the day of the call?
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In New Mexico, the excavator must keep the cutting edge of mechanical equipment at least how far from the marked edge of an underground facility until the line is exposed by hand or vacuum excavation?
Under the APWA/CGA uniform color code used by New Mexico 811, white markings indicate which of the following?
A locator paints a yellow line across a proposed tank-pad excavation. What type of underground facility does yellow identify?
Inside the New Mexico 18-inch tolerance zone of a marked underground facility, which excavation method is required until the line is exposed and clearly seen?
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