NC General Contractors Exam 2023 study guide

NC General Contractors Exam 2023 study guide inspection dept performs the following inspections: 1. footing 2. under slab 3. foundation/ wood framing 4. rough-in 5. building framing 6. insulation 7. fire protection 8. final exceptions to design professional seal requirement 1. family residence up to 8 attached units 2. a building used by a farmer (unless it involves the health or safety of the public) 3. an institutional or commercial bldg less than $90,000 or exceed 2500 sq ft. 4. reno which doesn't alter structural system, egress, or live/ dead load. Name the parts of a reference stake the distance shown on a reference stake is... the horizontal measurement of the distance from the hub to center line of the end of the fill. Also called the "offset" Slope= Rise divided by Run What is angle of a 100% slope 45* Which rock is the hardest to excavate or rip? Igneous Rock (or ignorant, hardheaded) What is igneous rock formed from? Molten magma Which rock is the easiest to excavate or rip? Sedimentary Rock How is Sedimentary rock formed? formed from sediments being compressed by other overlying sediments or water What is the level of underground water called? Water table Does the water table vary? Yes, from season to season What is the function of a well point system? used to lower the groundwater table in bad groundwater conditions Ground water causes what 2 issues? 1. unstable soil that's dangerous to work in 2. impossible to backfill What is the optimum moisture content? The right amount of moisture for compaction to maximum density What are the 3 methods of determining soil density?