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8. Estimating is prepared from contract documents such as plans and project manual. (T F) 9. Estimation does not have to be accurate because contingencies can cover unforeseen activities. (T F) 10. Generally speaking, form cost is not significant in concrete construction (T F) 11. When do you need simplified estimates rather than detailed estimate? 12. Why/when does an Owner want to have separate contracts? Provide at least 2 reasons. 13. What is best-value procurement approach? 14. Anchor bolts are used in wood light frame construction to connect a) steel beams to interior steel pipe columns b) rafters to top plates c) foundation walls to foundation footings d) stair stringers to stair treads e) sills to foundation walls 15. Leads are constructed in brick and block wall construction to accomplish all of the following except: a) Establish course height for other masons to follow. b) Ensure that each course is level. c) Ensure that the wall is straight. d) Accommodate lintel installation at openings in the wall. e) Ensure that the wall is plumb