Earthwork/Concrete
Help!
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| The (Free) Underground Service Alert MUST be located within ____________ before excavation begins | 2-14 days
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| If the Underground Service Alert is NOT notified due to negligence, a fine of _______ may be incurred | $10,000
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| If the Underground Service Alert is NOT notified intentionally, a fine of _______ may be incurred | $50,000
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| Underground Service Alert, WHITE paint = | Proposed Excavation
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| Underground Service Alert, RED paint = | Electrical Power Lines
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| Underground Service Alert, ORANGE paint = | Communication/Alarm Lines
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| Underground Service Alert, PURPLE paint = | Reclaimed Water, Irrigation
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| Underground Service Alert, PINK paint = | Temporary Survey Markings
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| Underground Service Alert, YELLOW paint = | Gaseous Materials
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| Underground Service Alert, BLUE paint = | Potable Water
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| Underground Service Alert, GREEN paint = | Sewers and Drain Lines
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| Fill Material must be compacted to at least | 90%
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| Define Cohesive Soil | More Compact and Self-Adhering, contains clay
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| Define Granular Soil | Made up of Larger Particles, such as sand or rock
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| Type A Soil is highly ________, Type C Soil is highly _________, Type B Soil is inbetween | Cohesive, Granular
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| The Width of Footings for 1,2 and 3 story buildings are | 12, 15, 23
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| How long should Anchor Bolts be in a standard footing? | 10 inches
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| What is the Basic rebar layout and sizes in a standard footing? | 2 continuous #4 rebar with #3 ties every 48"
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| When Epoxying Rebar dowel rods to connect Existing footings with New ones, what is the size and spacing (4 rules) | #4 Rebar, 6" into Old Slab, 12" into New Slab, 24" spacing
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| What are the required dimensions for an anchor bolt washer? | 3" x 3"
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| There should be at least _______ of concrete surrounding rebar | 2 inches
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| In the "Main Fields" of large slabs, what is standard Rebar Spacing | 18"
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| What is the Standard overlap on Rebar | 30 times the diameter
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| When is a slab required to have steel reinforcement? | If it is to be used as a Living Area or Garage floor
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| When is a slab required to have a waterproof layer underneath? (plastic) | If it is to be in or connected to a Living Area
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| What is the standard spacing requirements for Anchor Bolts? (4 rules) | 4"-12" from the ends of Sill Plates, min. 2 per wall, 4' O.C for 2-story, 6' O.C for 1-story
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| What is the minimum size of Plastic that can be used as a water barrier on a slab pour | 6 Mil.
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| Describe the Layers of dirt / plastic to be prepped underneath a Slab pour | 3-4" of compacted dirt, plastic barrier, 1" minimum of clean sand
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| How far should an anchor bolt be set in the footing? | 7 inches
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| All Concrete used for foundations/slabs should be ______ PSI minimum | 2,500
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| How many feet of rebar must be encased in concrete to be used as a Grounding Rod | 20 feet
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| Concrete does not completely cure until ______ from the pour | 28 days
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| Concrete Joints should be placed how often | 2-3 feet per inch of slab thickness (standard 4 inch slab every 8-12 feet)
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| The depth of a Concrete Joint should be _____ | 25% the depth of the slab
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| Define a Control Joint | The Joints typically used on slabs and sidewalks
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| Define a Construction Joint | A Joint used to space out the concrete when the slab cannot be poured in one pour
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| Define an Isolation Joint | A Joint used to space the concrete slab from other projects such as walls, columns, etc.
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| What tool do you use to conduct a "Slump Test" | Abrams Cone
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