BALLAST Flashcards
Is a French drain?
Perimeter foundation subsurface drainage system… Continuous perforated pipe near the footing
What is the leader line?
Comes off the gutter
What strip drain?
A type of sub drain
What is a trench drain?
Continuous drain placed at ground level to catch run off to a storm sewer, attention, or other collection system.
What is the run-off coefficient?
Precipitation/precipitation absorbed… It describes the precipitation NOT absorbed
What is an infiltration basin?
Catches stormwater runoff and retains it until it into the ground
What is usually the narrowest road with for two lanes?
24’
What does high albedo do? What is albedo?
Albedo is a measure of radiant energy a surface reflects rather than absorbs. … Hey paving material hi Vito will reflect more of the suns heat.
How to reduce sound/noise … (2) things
- Be as far away as possible… Doubling distance from point source of noise causes sound levels to drop 6 dB…
- Place a high, solid barrier as close to the noise source as possible.
What is a recess line?
In urban site planning, this is the top of the full-width plane of the building, which effectively defines the enclosure a public space.… Any building above the line should be set for light and views to the public space.
What test determines optimum compaction of site fill based on density and optimum moisture content?
Proctor test
Which are the three departments to consult when planning and development in a wetlands?
Local governmental rules, state governmental rules, and the US Army Corps of engineers regulations
What is the maximum slope of a curb cut?
1:12
What is the maximum allowable cross slope for a sidewalk?
2%
The allowable height and floor area of the building is based on construction type and occupancy group. The floor area can be increased if an automatic sprinkler system is installed and if…
Minimum open space is maintained between building and adjacent buildings or property lines
Rule of thumb for the type of thing that cannot be built over a utility easement
Three-dimensional structure
Planting strips for trees should be a minimum of __ ft.
6… Sometimes 7
A cut and fill diagram is also called a…
Earthworks diagram
What is a silt fence?
A temporary construction designed to filter water runoff from a construction site, trapping sediment before being washed into drains or bodies of water
What is riprap?
Rock along a watercourse or drainage area designed to prevent erosion
What is the minimum width of an ADA van parking space?
132”
If the landing in depth at the top of the curb ramp is less than 48 inches, the slope of the flared side shall not exceed…
1:12
What is the minimum width of a means of egress ramp between handrails, if provided, or other permissible projections…
36 inch
What is the difference between a check, they Township, and a section?
A check is a square parcel 576 mi.² with 24 mile long sides…
A Township is a square parcel 36 mi.² an area with 6 mile long sides…
A section is a square parcel of land one square-mile an area with one miles long sides
What is an SWPPP?
Stormwater pollution prevention plan
What is a BMP? What does a structural BMP concern itself with? What does non-structural BMP concern itself with?
Best management practices … Executed by a civil engineer
Structural:
- fences
- sedimentation ponds
- erosion control blankets
- temporary or permanent seeding
Non-structural
- maintaining equipment
- training site staff on erosion and sediment control
The EPA recommends a _____-based approach to wetland protection… Ensuring the whole system including land, air, and water resources is protected
Watershed-based
Is it easier to control sedimentation or erosion?
It is easier to prevent erosion them to control sedimentation
True of false: use structural and nonstructural BMP’s separately for best results
False. Use them jointly for best results
And SWPPP is concerned with protecting surface waters or groundwater from erosion and sediment?
Surface water
Who needs to sign SWPPP’s and inspection reports?
Construction site contractor… And it cannot be the concrete contractor
What is bioventing?
On-site microorganisms to biodegrade organic constituents in the groundwater
What is “pump and treat”?
Pumping water to the surface and mixing it with either biological or chemical treatments to remove the impurities
What is air sparging?
Blowing air directly into the ground water to create Bibles that remove contaminants. The bubbles carry them up to the unsaturated zone… A soil vapor extraction system removes vapors.
What is loam?
Soil composed of roughly 40% sand, 40% silk, and 20% Clay
What is osmosis?
Net movement of solvent molecules through a membrane into a region of higher solute concentration…
What is cohesion?
Intermolecular attraction between like molecules
Which department has information on the site coverage ratio?
Planning Department
Which department has information on zoning?
Planning department
Which department has FAR information?
Planning department
Which department has information on existing easement, such back requirements, side yard and backyard?
Planning department
Who should the architect ask for easement information?
The owner… Who should have a title report from the title company and the title report should have the easement information.
What is erosion control?
Controlling window water erosion in land of element… Basically holding place. Usually a physical barrier such as vegetation or rock.
What is sediment control?
Preventing disturb so oils from entering a nearby water body. Usually sediment basins and silt fences.
What is CC&R?
Covenant conditions and restrictions
What is the minimum requirement with regards to frost and footings?
The frost line should align with the bottom of the building at a minimum
What is the difference between detention ponds and retention ponds?
Detention ponds are also called “dry ponds” and they are used to hold stormwater for a short period of time.
Retention are called “wet ponds”… They are artificial legs with vegetation around the perimeter.
4 methods to reduce the chance of retaining wall failure:
- Drain surface water away
- Use perforated pipe to release Hydro pressure
- Weep holes
- Proper fitting to sign to overcome the turning moment
Who typically governs restrictive covenant’s?
HOA.. Home owners association
What is the difference between lifecycle assessment and lifecycle costing?
Lifecycle assessment LCA uses life cycle thinking in environmental issues
What is a… Center of interest that people can enter, such as a plaza, the Public Square, or the intersection of paths?
Node
What is a culvert?
A length of pipe running under the road or other barrier used to drain or carry water
What is frontage?
The length of a lot line along the street or other public
