Excavation Questions with correct Answers

Excavation Questions with correct Answers Describe the following and define their primary use: A.Excavator bucket excavator - digging Describe the following and define their primary use: B. Track Loader Large bucket, scoopes and moves large amounts of dirt Describe the following and define their primary use: C. Bobcat small front end loader with multiple attachments. Used for backfill, grading, aerating soil Describe the following and define their primary use: D. Bulldozer large metal blade/plate used to push large amounts of dirt If excavation is not to phase specification, who absorbs the cost to correct? The contractor who did the excavation What should you do with topsoil that is on the lot? relocate to a separate stock pile Name three things that should be considered when excavating a foundation that has excess dirt? -How much dirt needs relocated -Do you need trucks to haul/ or can you stock it on adjacent lot -Can raise the house to reduce amount of excess dirt What is a foundation overdig? an area excavated beyond the footer boundaries 3' beyond foundation on all sides What is the minimum over dig in your area for? A. 8' or 9' foundation walls 3' What is the minimum over dig in your area for? B. Knee wall foundaiton 2' What is the minimum over dig in your area for? C. Crawl space foundation 2' What is the minimum over dig in your area for? D. Slab foundation none Since equipment should not travel on pavement or curbs without protection, what types of things can be used for protection? Rubber mats or wood plangs Name two ways to protect an excavation from freezing? -Concrete Blankets -cover with a layer of poly and straw -leave 1 foot dirt to be excavated the next day What should be accomplished by the rough grading of a lot? -Create proposed topography -Create proper surface water drainage -4"-6" of final grade What procedure should be taken in your area in locating utility lines before digging? Call 811 to mark If utility lines are damaged, who is responsible for them? the person who called in the marks Excavation is to be level within _____ plus or minus? 1" When stockpiling fill is necessary, what should be taken into consideration? How long (do you need to stabilize the stock pile) Placement of stock pile Does it need to be hauled Who much earth should be left un excavated for frost protection on a two-day excavation? 1' What tools/equipment is needed to properly check an excavation? -Laser level or builders level -100' tape -Cut sheet -Resite When is a driveway excavated for a house with an integral garage? at dig or rough grade True/False: All ground vegetation is to be removed from interior of basement and garage areas. True List three possible solutions for resolving rock problems when excavating a foundation. -Blasting -Hammer Chisel -Raise house When must all debris be removed from around the foundation overdig? Before backfill Why should excess fill be removed from the lot during excavation? -Provide safe access -Save time and money Why should snow not be removed until you are ready to excavate? Snow is an insulator and helps prevent the ground from freezing What is the average cut for the excavation shown below? review on quiz How many cubic yards of dirt will be removed from a 25'x50' excavation shown above? review on quiz You are now in the field setting a house. Using the information provided below, determine the following for this foundation: A. Bottom of Excavation B. Average "cut" C. Cubic yards of dirt excavated review on quiz How many days after a foundation is poured should you wait before backfilling? 3-5 in summer 5-7 in winter