Contaminated Ground Water and Construction Site Management, Exams of Water and Wastewater Engineering

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Law set into place in 1970 for storm water regulation - .......ANSWERS 🔷🖊✔✔Clean Water Act Regulations for monitoring storm water activity on a construction site, are outlined in - .......ANSWERS 🔷🖊✔✔NPDES When should you read and understand SWPP - .......ANSWERS 🔷🖊✔✔Immediately after project is awarded and before you begin any site work What is not an allowable storm water discharge or non-storm water discharge

• .......ANSWERS 🔷🖊✔✔Contaminated ground water When may construction activity begin - .......ANSWERS 🔷🖊✔✔When jurisdiction of operations specifies you can start Waters that fail anti-degradation list are placed on which list. - .......ANSWERS 🔷🖊 ✔✔303D list SWPPPs certification are signed by who - .......ANSWERS 🔷🖊✔✔An officer and project owner The document that must be completed signed and submitted to the state to obtain authorization to discharge is the NOT. (T/F) - .......ANSWERS 🔷🖊✔✔FALSE NOT can be filed when - .......ANSWERS 🔷🖊✔✔All construction has been completed both inside and outside

Operations on a construction site are the entity in charge of plans and specification and the entity who? - .......ANSWERS 🔷🖊✔✔is in charge of daily activities Motives for staying in compliance with storm water objectives? - .......ANSWERS 🔷🖊 ✔✔Stay out of trouble with the law Objectives of the clean water act are - .......ANSWERS 🔷🖊✔✔To protect and preserve beneficial use of U.S. waters, maintaining their clean, physical and biological integrity NPDES stands for - .......ANSWERS 🔷🖊✔✔National Pollutant Discharge Elimination System Which are a component of a good SWPPP - .......ANSWERS 🔷🖊✔✔Site description and maps, inspection and maintenance procedure. Potential pollutant sources, schedules of activities, site contact information, plan certification documents, site contact info and descriptions of controls BMP Construction sediment is not considered a potential pollutant source (T/F)

• .......ANSWERS 🔷🖊✔✔False When modifying or substituting a storm water BMP the contractor must consult with - .......ANSWERS 🔷🖊✔✔Project owner, SWPPP designer NOI must be submitted to the appropriate agency before the storm water pollution preventive plan is developed (T/F) - .......ANSWERS 🔷🖊✔✔False Name of the list with impaired waters is called totally daily maximum load (T/F)
• .......ANSWERS 🔷🖊✔✔False, 303d List You should have a SWPPP for your construction site because? - .......ANSWERS 🔷🖊 ✔✔It is required by law, it documents storm water management activity on your site, and it demonstrates your intent to manage storm water on your site A well constructed SWPPP for your site should be? - .......ANSWERS 🔷🖊✔✔Site specific

The NOI must be submitted when? - .......ANSWERS 🔷🖊✔✔Prior to commencing construction One necessary component of a good SWPPP is? - .......ANSWERS 🔷🖊✔✔Schedule of activities Factors that may impact SWPPP scheduling activities include - .......ANSWERS 🔷🖊 ✔✔Weather and Climate Pollutant sources on a construction may include - .......ANSWERS 🔷🖊✔✔masonry materials, petroleum storage tanks, soil amendments fertilizer, lime etc If you believe BMP modification are necessary to the site you must? - .......ANSWERS 🔷🖊✔✔Seek written approval of the project SWPPP designer or project owner The following consideration may be incorporated into the SWPPP? - .......ANSWERS 🔷🖊 ✔✔Endangered species and historical preservation The SWPPP will contain the following? - .......ANSWERS 🔷🖊✔✔Site maps, erosion sediment control, BMPs, site specific sequences of construction activities Once the site has experienced rain event of measurable quantity you must?

• .......ANSWERS 🔷🖊✔✔Identify deficient and failed BMPs and make repairs immediately The subcontractor certification includes all of the following but the following?
• .......ANSWERS 🔷🖊✔✔Subcontractors web site SWPPP site map includes the following - .......ANSWERS 🔷🖊✔✔Storm Water BMPs and their locations

With the state general permit your primary responsibility is to make sure the permit is? - .......ANSWERS 🔷🖊✔✔Present and current Document that contains your permit number is? - .......ANSWERS 🔷🖊✔✔Permit authorization letter Portion of the SWPPP that specifies the content of the SWPPP is? - .......ANSWERS 🔷🖊 ✔✔The table of content Document in the SWPPP that certifies the GC commitment to compliance or to SWPPP is? - .......ANSWERS 🔷🖊✔✔SWPPP certification letter The certification document that identifies the name and contact information of subcontractors on the site is the? - .......ANSWERS 🔷🖊✔✔Sub contractor's certification form. Document that reveals the total area of disturbance is the? - .......ANSWERS 🔷🖊 ✔✔The site map The document that is completed by the SWPPP inspector recording site condition during the inspection is? - .......ANSWERS 🔷🖊✔✔The inspection report form The document that must be completed when a hazardous spill is on the site is the -? - .......ANSWERS 🔷🖊✔✔Spill report form The document that verifies that the weekly meetings have been conducted is the?

• .......ANSWERS 🔷🖊✔✔Weekly meeting form The document delegating inspection to another is the? - .......ANSWERS 🔷🖊✔✔The delegation letter The document that must be completed when final stabilization is completed is the?
• .......ANSWERS 🔷🖊✔✔NOT (notice of termination)

Scheduling and Sequencing - .......ANSWERS 🔷🖊✔✔Are considered and actual BMP category by the USEPA Which of these activities are not necessary parts of the construction phase?

• .......ANSWERS 🔷🖊✔✔Project bidding If a contractor determines it is necessary to modify the SWPPP sequence of construction activities the contractor must? - .......ANSWERS 🔷🖊✔✔1.) carefully assess the situation 2.) request assistance and approval by the projects SWPPP designer 3.) Receive written approval from the project SWPPP designer 4.) Make necessary changes in the field and update site maps It's enough to prepare the top soil plant seed or sod and walk away? (T/F)
• .......ANSWERS 🔷🖊✔✔False (you must also protect vegetation as it is established) Scheduling - .......ANSWERS 🔷🖊✔✔Aids in protecting the site by timing construction activities Stabilize inactive areas after 21 days? (T/F) - .......ANSWERS 🔷🖊✔✔False (14 days) When installing perimeter BMP controls? - .......ANSWERS 🔷🖊✔✔Note locations and dates of insulation on the site map Storm water issues usually discussed during the pre-construction meeting include
• .......ANSWERS 🔷🖊✔✔SWPPP BMPs and the construction schedule Sediment control devices must be installed - .......ANSWERS 🔷🖊✔✔Down slope of construction areas and functioning as desired prior to beginning land disturbance activities If you have a storm water inlet in a construction roadway - .......ANSWERS 🔷🖊 ✔✔Consult project SWPPP to insure you are protecting inlets appropriately

Soil stock piles and other disturbed areas must receive - .......ANSWERS 🔷🖊 ✔✔Temporary stabilization if they will remain inactive more than 14 days and potentially fewer days depending on jurisdiction When in the process of transition from land development to building construction it is important to? - .......ANSWERS 🔷🖊✔✔Implement specific BMPs to address the potential pollutants associated with construction materials The SWPPP sequence of activities can be modified after - .......ANSWERS 🔷🖊 ✔✔Consulting with the project SWPPP designer and/or the project owner and receiving written approval Once the notice of termination is filed all storm water related project information must be retained for - .......ANSWERS 🔷🖊✔✔3 years or more depending on permit or contract obligation Definition that describes sedimentation is - .......ANSWERS 🔷🖊✔✔When, where, and how eroded sediment is deposited Erosion controls are BMPs that trap soil patricians after they have been detached and are being transported by wind and water (T/F) - .......ANSWERS 🔷🖊✔✔False ( it is sediment controls, NOT erosion controls that trap particles after they have been detached) The following are common types of erosion caused by water - .......ANSWERS 🔷🖊 ✔✔Gully, rill, rain drops, splash, and channel Of the following factors the one the contractor has the most control over is

• .......ANSWERS 🔷🖊✔✔Ground cover Which erosion control BMP increases water and filtration dissipates rain fall energy and slows over land flow of storm water - .......ANSWERS 🔷🖊✔✔Vegetation Which of the following factors effect erosion. - .......ANSWERS 🔷🖊✔✔Amount of duration of rain fall, ground cover soil type

Erosion and sedimentation control principles do not include which of the following

• .......ANSWERS 🔷🖊✔✔leave unprotected openings for storm water drains open Inactive areas on a construction site must be temporarily stabilized within 21 days (T/F) - .......ANSWERS 🔷🖊✔✔False (14 days) The following control is a source control that treats soil as a non-renewable source that has value and should be kept in place - .......ANSWERS 🔷🖊✔✔erosion controls treat soil as a non-renewable resource that has value and should be kept in place All design sites best specific erosion and sediment controls require no inspections or maintenance (T/F) - .......ANSWERS 🔷🖊✔✔False The system of erosion and sediment controls BMP's often called - .......ANSWERS 🔷🖊 ✔✔A treatment train Accelerated erosion is caused by? - .......ANSWERS 🔷🖊✔✔Manmade activities Factors of erosion, the one that a contractor has most control over is? - .......ANSWERS 🔷🖊✔✔Ground cover Of the following the one that is a primary erosion and sediment control objective
• .......ANSWERS 🔷🖊✔✔Minimize the extent of exposure... SWPPP BMPs can be modified after? - .......ANSWERS 🔷🖊✔✔consulting with project SWPPP designer or project owner and receiving written approval Protecting vegetation should be implemented when - .......ANSWERS 🔷🖊✔✔Before construction activities begin

The benefits of soil or surface ruffling are? - .......ANSWERS 🔷🖊✔✔It impedes the sheet from erosion as water flows down a slope and it provides an area for seed germination and growth When establishing vegetation in ground cover the following steps should be followed.

• .......ANSWERS 🔷🖊✔✔1.) Properly prepare the seed bed 2.) Insure good seed to soil contact 3.) Install specified short term protection such as erosion control blanket 4.) Provide ongoing maintenance until ground cover is appropriately established One thing not to be considered when installing a roll of erosion controlled product (ACP) - .......ANSWERS 🔷🖊✔✔Water soil until completely saturated is not a consideration before installing a rolled erosion control product Common materials and techniques used to temporary stabilize construction site soils include all but one of the following - .......ANSWERS 🔷🖊✔✔diesel fuel emulsified in water Pertaining to the permanent stabilization is appropriate to - .......ANSWERS 🔷🖊✔✔1.) Properly prepare site soils to meet top soil quality and quantity specification 2.) develop a permanent stabilization plan early in a construction schedule 3.) mow and maintain vegetation and landscape areas per contract requirements Silt fence may be used in all but one of the following locations - .......ANSWERS 🔷🖊 ✔✔May not be used across stormwater convinces such as as ditch or swell Silt fence and fiber roll capture and retain sediment primarily through
• .......ANSWERS 🔷🖊✔✔Ponding and settling When inspecting a sediment trap look for - .......ANSWERS 🔷🖊✔✔1.) proper installation and stabilization 2.) sediment accumulation 3.) sediment discharge When installing a sediment basin or trap the following steps should be followed
• .......ANSWERS 🔷🖊✔✔1.) Consult a SWPPP's sequence and construction documents 2.) Install and stabilize prior to conducting up slope-ground disturbances activities 3.) inspect per SWPPP schedule 4.) Repair and maintain

The one that is not a concern when inspecting a construction exit? - .......ANSWERS 🔷🖊✔✔Location of the spill kit Temporary stabilization should be implemented? - .......ANSWERS 🔷🖊✔✔On all disturbances that will remain inactive for more than 14 days or more A key first step before installing a rolled controlled product is to? - .......ANSWERS 🔷🖊 ✔✔Properly preparing the ground surface Which of the following ground covers are best applied on moderate to steep slopes in storm water conveniences? - .......ANSWERS 🔷🖊✔✔A rolled erosion product (ARP) What percentage of vegetation is typically required for establishing final stabilization

• .......ANSWERS 🔷🖊✔✔70% When inspecting a silt fence look for all but one of the following deficiencies
• .......ANSWERS 🔷🖊✔✔Trac out A fiber roll or a waddle is intended to? - .......ANSWERS 🔷🖊✔✔Capture sediment from sheet flow to control run off velocity Sediment tarps are generally designed to? - .......ANSWERS 🔷🖊✔✔Capture and retain sediment for small water sheds Which of the following is not a consideration when removing temporary sediment basins? - .......ANSWERS 🔷🖊✔✔Keep the overflow spill way intact The primary purpose of a construction exit is? - .......ANSWERS 🔷🖊✔✔to remove sediment from construction site vehicles and prevent trackout

BMPs identified by the SWPPP inspectors as needing repairs must be corrected and documented - .......ANSWERS 🔷🖊✔✔In a timely manner and in compliance with the SWPPP documents Run off controls do what? - .......ANSWERS 🔷🖊✔✔Transfer storm water around or across the construction site Check dams are intended to - .......ANSWERS 🔷🖊✔✔1.) Reduce the velocity of storm water flowing through a storm channel 2.) minimize channel erosion and score 3.) retain small amounts of sediment Which is not true concerning diversion swales and berms? - .......ANSWERS 🔷🖊✔✔It is not necessary to stabilize a swale or diversion berm before water starts flowing When inspecting inlet protection look for all but one of the following - .......ANSWERS 🔷🖊✔✔Appropriate vegetative stabilization (look for structural damage including torn fabric and broken supports, accumulated sediment debris and restricted bypass) In regards to velocity protection which of the following are true? - .......ANSWERS 🔷🖊 ✔✔All of the above; minimize scour and erosion from concentrated flow When installing a storm water retention or detention pond which of the following statement may be incorrect - .......ANSWERS 🔷🖊✔✔May not be appropriate to completely compact soil in the bottom of the pond Which BMP is often overlooked on a construction site - .......ANSWERS 🔷🖊✔✔Good housekeeping and material management Concrete washout containers can be used to manage - .......ANSWERS 🔷🖊✔✔Manage concrete washout from concrete trucks and equipment Paint washout stations are intended to? - .......ANSWERS 🔷🖊✔✔Provide an opportunity to recycle or properly dispose of paint waste, minimize potential waste hazards from populating the environment

You can effectively control dust by? - .......ANSWERS 🔷🖊✔✔Covering stock piles with tarps and plastics, routinely watering disturbed areas and keeping areas stable unit needed to be worked When working with chemicals and fuels consider and inspect - .......ANSWERS 🔷🖊 ✔✔Disposal, containment, use safety storage and delivery Which of the following is not a valued BMP housekeeping practice - .......ANSWERS 🔷🖊 ✔✔Cover up spills leaks and stains unless someone is watching You should inspect stockpiles for - .......ANSWERS 🔷🖊✔✔Signs of erosion, appropriate stabilization cover, non-conforming materials or loose, dry unprotected materials During a routine SWPPP inspection check portable toilets for? - .......ANSWERS 🔷🖊 ✔✔leaks, fluids, and stains on pavement and soil, damage of vandalism, anchor toilets, maintenance report form and make sure toilets are clean and empty. When conducting inspection, inspect maintenance areas for - .......ANSWERS 🔷🖊 ✔✔Proper material storage and disposal, leaks staining and other restricted releases, spill kits and related containment materials and consistent and appropriate use As you are inspecting the perimeter of your site what potential areas may require attention? - .......ANSWERS 🔷🖊✔✔Street cleaning operation, disposal of collected sediments, construction exit which indicates pending trackout Not a primary function of trash and recycling management - .......ANSWERS 🔷🖊 ✔✔Provide single dumpster for ALL waste What should you consider before dewatering? - .......ANSWERS 🔷🖊✔✔Consider the soil type, is a permit needed?, your discharge area, your pump rate, and saturated sediment management

If you have any questions or concerns about the BMP's specified in your project SWPPP - .......ANSWERS 🔷🖊✔✔Contact your project SWPPP designer When installing and maintaining a check dam, make sure - .......ANSWERS 🔷🖊✔✔The low point overflow of the check dam is in the middle of the channel Storm drain inlet protection is intended to? - .......ANSWERS 🔷🖊✔✔Pond water and allow sediment to settle out To reduce the possibilities of undercutting you should? - .......ANSWERS 🔷🖊✔✔Install filter fabric under BMP's and storm water convinces Sediment basins are often converted into? - .......ANSWERS 🔷🖊✔✔Detention and retention ponds Concrete washout water has high levels of? - .......ANSWERS 🔷🖊✔✔pH Proper spill management should include all of the following except? - .......ANSWERS 🔷🖊✔✔Installation of a spill pit on your construction site The best location for a portable toilet is in? - .......ANSWERS 🔷🖊✔✔On level ground and in low-traffic areas A common potential pollutant in - .......ANSWERS 🔷🖊✔✔Petroleum Which material management practice may address both sediment and dust control?

• .......ANSWERS 🔷🖊✔✔Street cleaning