Download Maryland E&S Certification Questions And Answers Latest Update and more Exams Soil Physics in PDF only on Docsity!
Answers Latest Update
The Erosion and Sediment Control Responsible Personnel Training Program is a requirement of the EPA State of Maryland International laws None of the above - correct answer ✅State of Maryland The current Maryland Standards and Specifications for Soil Erosion and Sediment Control (Handbook) is dated: 1994 2000 2011 2013 - correct answer ✅ 2011 Although 2/3's of the earth's surface is covered in water, what percentage is fresh water?
Answers Latest Update
correct answer ✅3% The following is the percent of Maryland residents whose household water comes from a surface water source. 18% 33% 68% 52% - correct answer ✅68% While water is a necessity for human life, clean water also: provides critical wildlife habitat an important part of Maryland's economy enhances recreational opportunities
Answers Latest Update
Natural erosion can be caused by water ice wind gravity all of the above - correct answer ✅all of the above Raindrops can strike the soil surface at a velocity of 25-30 feet per second. true false - correct answer ✅true Sediment pollution is harmful because it: silts in streams, lakes, ponds, rivers, and the Chesapeake Bay increases turbidity in water which can kill submerged aquatic vegetation
Answers Latest Update
threatens public safety and may increase flooding carries over abundant nutrients into waterways all of the above - correct answer ✅all of the above Sediment runoff to a waterway can result in eutrophication due to higher fish populations which deplete the oxygen turbid water which allows for more plant growth improved condition for spawning excessive algae growth as a result of increased level of nutrients which enter water bodies attached to soil particles causing depletion of oxygen - correct answer ✅excessive algae growth as a result of increased level of nutrients which enter water bodies attached to soil particles causing depletion of oxygen The purpose of requiring erosion and sediment control is to: cause undue hardship and expense on the developer and contractor
Answers Latest Update
true false - correct answer ✅true What year did State law mandate that all counties and municipalities in Maryland establish an erosion and sediment control? 1992 1985 1970 2001 none of the above - correct answer ✅ 1970 Compliance with the NPDES General Permit for Stormwater Associated with Construction Activity (for which an NOI is submitted) requires the inspection and documentation of erosion and sediment controls: once a month
Answers Latest Update
twice a month weekly and the next day after a rain event that produces runoff when contractor and inspector have arranged a meeting when all stakeholders in the project have arranged a meeting - correct answer ✅weekly and the next day after a rain event that produces runoff A NOI must be submitted and coverage obtained under the NPDES General Permit for Construction Activity for any construction site that disturbs: 5,000 square feet or more 1 acre or more ½ acre or more 5 acres or more - correct answer ✅1 acre or more If working on a construction site in Allegany County the agency with enforcement authority to conduct erosion and sediment controls inspections would be:
Answers Latest Update
recurring minor violations all of the above - correct answer ✅all of the above Perimeter controls must be installed before mass grading commences. true false - correct answer ✅true Erosion and sediment control inspections are only required during the installation phase of sediment controls practices. true false - correct answer ✅false The enforcement authority is responsible for: managing the site development process
Answers Latest Update
ensuring that sediment control practices are maintained when necessary determining compliance with the implementation and maintenance of erosion and sediment control practices per the approved plan ensuring that sediment pollution does not occur - correct answer ✅determining compliance with the implementation and maintenance of erosion and sediment control practices per the approved plan Erosion and Sediment controls are installed to: reduce sediment yields provide filtration of runoff prior to discharge decrease the volume and velocity of runoff provide settlement and containment of sediments all of the above - correct answer ✅all of the above The Maryland Department of the Environment is responsible for the review and approval of erosion and sediment control plans for the following:
Answers Latest Update
a project with a total disturbed area under 10,000 square feet and at least 100 feet from a stream or wetland conveyance a project that will be completed in less than one month a project that disturbs less than 5,000 square feet and 100 cubic yards of earth a project on federally-owned land - correct answer ✅a project that disturbs less than 5,000 square feet and 100 cubic yards of earth Any project that disturbs more than 5,000 square feet of land area or 100 cubic yards of earth must have an approved erosion and sediment control plan. true false - correct answer ✅true Per the Maryland Stormwater Act of 2007, ESD stands for Environmental Site Design Environmental Stabilization Details
Answers Latest Update
Excellent Site Development Engineered Slope Diversion - correct answer ✅Environmental Site Design In planning a site, erosion and sediment controls and stormwater management features should be considered separately. true false - correct answer ✅false The following is an example of a planning principle that should be followed when designing a construction project
- plan the development to fit the site
- open up the entire site to complete work as quickly as possible
- protect perimeter areas and retain sediment on-site 1 and 3 2 and 3 - correct answer ✅1 and 3
Answers Latest Update
true false - correct answer ✅true The purpose of including phasing and grading units in the design of project is to allow the engineer to charge more for the plan design help reduce the amount of new development in an area reduce the amount of open area on a site at any given time, thereby decreasing the potential of erosion and sediment runoff decrease the amount of time needed by the enforcement agency to conduct an inspection - correct answer ✅reduce the amount of open area on a site at any given time, thereby decreasing the potential of erosion and sediment runoff Inspections of sediment control practices are only required during their installation true
Answers Latest Update
false - correct answer ✅false Unless otherwise authorized, the maximum amount of disturbed area allowed at any given time on a site is: 50 acres 20 acres 30 acres unlimited - provided sediment control practices are installed - correct answer ✅30 acres A grading unit as it pertains to Maryland regulations is 10 acres 20 acres 35 acres 50 acres - correct answer ✅20 acres
Answers Latest Update
In determining a stone classification size, the stone must be a well graded mixture where 50% of the pieces by weight are below the weight of the midsize indicated as d50. true false - correct answer ✅true A local jurisdiction may have stricter requirements than the State for material specifications. true false - correct answer ✅true The minimum gauge wire for use in gabion baskets is: 7 12 15
Answers Latest Update
correct answer ✅ 11 The best way to prevent erosion is: double up the silt fence install a good working sediment trap minimize the disturbed area and quickly re-establish vegetative cover schedule construction when rain is not forecasted - correct answer ✅minimize the disturbed area and quickly re- establish vegetative cover Following initial soil disturbance or re-disturbance, permanent or temporary stabilization must be completed within _____ calendar days for all perimeter dikes, swales, ditches, perimeter slopes, and all slopes steeper than 3 to 1; and _____ calendar days as for all other disturbed or graded areas on the project site not under active grading. 1, 2 3, 7
