Under the EPA NPDES Construction General Permit (CGP), construction stormwater coverage is generally required when earth-disturbing activities will affect which minimum area, including a larger common plan of development?
Stormwater Management
Question · Easy
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What is the primary purpose of a Stormwater Pollution Prevention Plan (SWPPP) on a New Mexico GF-8 transmission-line, tank, or substation site?
For a new construction site seeking coverage under the EPA Construction General Permit, when must the operator typically submit a Notice of Intent (NOI) relative to the start of earth-disturbing work?
Question · Medium
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Which perimeter BMP is installed downslope of a disturbed tank-pad or pipeline right-of-way primarily to pond sheet flow long enough for sediment to settle before water leaves the site?
What is the main purpose of a stabilized construction entrance or exit at a GF-8 yard or pipeline crossing of a paved public road?
OSHA fall heights, to scale
Under the EPA Construction General Permit, final vegetative stabilization is generally achieved when uniform perennial vegetation provides at least which portion of the cover that native vegetation provided on local undisturbed ground?
On a portion of a pipeline right-of-way where earth-disturbing work has temporarily ceased, the EPA CGP generally requires the operator to initiate temporary stabilization by which time?
Why must storm-drain inlets that receive runoff from an active tank-farm or substation-yard grading operation be protected before soil is stripped?
Where should leftover concrete and concrete-truck wash water from a tank-ring-wall or substation-foundation pour be discharged?
Under typical EPA Construction General Permit inspection options for a non-sensitive-water site, a 0.25-inch storm generally requires the operator to inspect BMPs within which time?
A GF-8 contractor will grade four separate 0.4-acre valve-site pads that are all part of one recorded pipeline development. How should the 1-acre Construction General Permit threshold be applied?
Question · Hard
On an arid or semi-arid New Mexico right-of-way, how may the EPA CGP treat final vegetative stabilization when perennial cover cannot be established in one season?
Where are rock or fiber check dams used as a construction-stormwater BMP on a tank-farm or pipeline grade?
A diesel day-tank and refueling skid will sit on a GF-8 substation civil site for several months. Which stormwater good-housekeeping measure is required to keep petroleum from leaving the site?
Per OSHA 1926.652(a)(1), each employee in an excavation must be protected by an adequate cave-in protective system except when the excavation is entirely in stable rock or when which other condition is met?
Osha Safety
Per OSHA 1926.651(j)(2), excavated spoil and other materials that could fall or roll into a pipeline trench must be kept at least how far from the edge, unless a sufficient retaining device is used?
Per OSHA 1926.651(c)(2), a stairway, ladder, ramp, or other safe means of egress is required in a trench 4 feet or deeper so that no employee must travel more than what lateral distance to reach it?
Per OSHA 1926 Subpart P Appendix B, what is the maximum allowable simple slope for a Type C soil excavation 20 feet or less in depth?
Per OSHA 1926.652, a sloping, benching, shoring, or shield system for an excavation more than 20 feet deep must be which of the following?
Per OSHA 1926.651(k), who must inspect a pipeline excavation, the adjacent area, and the protective system for cave-in and other hazards?
Per OSHA 1926 Subpart P Appendix B, which statement about benching in Type C soil is correct?
Per OSHA 1926 Subpart P Appendix B, what is the maximum allowable simple slope for Type A soil in an excavation 20 feet or less deep (not short-term)?
Per OSHA 1926.1053(b)(1), when a portable ladder is used for access from a trench box or landing, how far must the side rails extend above the upper landing surface unless the ladder is secured and a grasping device is provided?
Per OSHA 1926.501(b)(1), employees on a walking-working surface with an unprotected side or edge 6 feet or more above a lower level must generally be protected by which of the following?
Per OSHA 1926 Subpart P Appendix B, what is the maximum allowable simple slope for Type B soil in an excavation 20 feet or less in depth?
In critical-path method (CPM) scheduling of a tank and pipeline project, the critical path is best defined as which of the following?
Project Management
A pipeline owner directs the GF-8 contractor to add an unplanned valve vault after the contract is signed. How should that extra work normally be documented before it is performed?
When a tank-foundation detail on the issued-for-construction drawings is unclear, what is the contractor’s correct first contract-administration step?
Shop drawings for an API 650 tank or a prefabricated vault are submitted so that the design professional can do which of the following?
Near substantial completion of a GF-8 project, the owner’s representative walks the tank yard and pipeline and lists incomplete or defective items. What is that list commonly called?
Liquidated damages in a pipeline or tank construction contract are best described as which of the following?
Why must a GF-8 contractor maintain as-built (record) drawings of a buried petroleum pipeline and tank-farm piping?
Which sequence is the correct contract-administration path for a contractor-proposed tank appurtenance that is not shown on the approved drawings?
On a CPM schedule, total float for an activity is best defined as which of the following?
On a pipeline alignment, station 12+50 is how many feet from station 0+00 along the centerline?
Surveying Layout
What is a survey benchmark used for on a tank-pad or pipeline job?
The invert elevation shown on a pipeline profile is which of the following?
A grade stake at a tank-pad grid point reads “C 1.5.” What does that typically tell the earthwork operator?
A pipeline typical section calls for a 2:1 side slope. What does that ratio mean?
When running a level circuit to set tank-floor elevations, a backsight is which of the following?
A level loop starts on a project benchmark at elevation 5,240.00 feet and closes back on the same benchmark with a computed elevation of 5,240.08 feet. What should the survey crew do before using the loop to set a tank ring-wall?
Under New Mexico one-call practice (NMSA 62-14 and NM 811), a standard locate request for non-emergency excavation must be made how far in advance of digging?
New Mexico One Call
What is New Mexico’s excavation tolerance zone measured from the marked edge of an underground facility?
Under the APWA uniform temporary-marking color code used by NM 811, which color identifies gas, oil, steam, petroleum, or other gaseous materials?
Inside New Mexico’s 18-inch tolerance zone, how must an excavator expose a marked petroleum or utility line before using a backhoe or mechanical borer next to it?
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