Project Management/Design
What are three most common types of project delivery methods?
DBB, CMAR, and DB.
What is another word for city or town that has its own government to deal with local problems?
Municipality
What is the primary compound removed by Desalination?
Salts
What does the term F.O.G. stand for?
Fats, Oils, Grease
Name the three constrution document milestones.
30% (Prelimnary), 60%, and 90% (Final) Designs
What are the two views shown in a drawing set?
Plan and Section
At what point in the design process will permits be applied for?
When the design is completed.
Arizona deals with several different water quality challenges. Which constiutent reprsents the greatest number of samples above the maximum contaminant level?
Arsenic
What causes small particles to stay suspended in water?
Particle surface charge repells other particles.
What are the two ways that source water can be distributed to a utility?
Gravity or pumping.
what is the name of the document that includes all of the details, specific model numbers and requirements for the full design construction?
Technical specifications.
What federal regulation protects drinking water? Answer
Safe Drinking Water Act
How much of Arizona's water use is for municipal/domestic use?
Municipal/Domestic - 22%.
Agriculture - 72%
Industrial - 6%
Name ONE common source of nitrogen and phosphorous containing compounds in a water source. Hint: these compounds can cause algal blooms leading to marine life die-off.
Any of the following: domestic wastes, animal wastes, agricultural runoff/fertalizer, Industrial wastes, and landfills.
What is the main focus of Maricopa County when completing design reviews?
To protect public safety.
Identify three situations that could trigger the need for a new project.
Population increase, aging infrastruture, water quality issues, regulatory compliance, increased demand, water scarcity, emergency preparedness; long term planning.
What is the purpose of a conceptual design prior to a detailed design?
Conceptual design provides opportunity for early input from each group; opportunity to evalute different alternatives; develop budgetary costs before project design is complete
Name one of the three criteria required to be considered a public water system
15+ service connections, serving 25 or more people, servicing for 60 days a year or more
What is the purpose of coagulation and flocculation?
Make small particles come together and form a larger, settleable floc that can be removed by gravity
How does reverse osmosis filter out the contaminants in water?
By forcing the influent to go through the media that has an opening only large enough for the water particles (hydrogen and Oxygen) and nothing that is larger to pass through it.
Name two of the five feasibility studies that need to take place before a project moves to the design phase.
Technical, economic, operational, legal/regulatory and environmental feasibility studies.
What does a AZPDES Permit allow for?
A permit for discharges of pollutants to surface water
Why are the number of public water systems in Arizona decreasing?
Towns are growing and collecting the smaller public water systems into bigger ones.
How do we determine the ideal chemical dose and type for coagulation/flocculation of a particular water source?
Jar Testing!
What is the type of contracting method that produces the most competitve price for a job?
Hard Bid project