CPEM Chapter _3

CPEM Chapter _3 - 1 Instructor Dustin Olson MBA “The...

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Unformatted text preview: 11/2/2008 1 Instructor: Dustin Olson, MBA “The earlier you plan before execution, the more you will be able to influence execution by having time to carefully consider the impacts of all constraints and to devise efficient strategies for dealing with project requirements.” ¡ Project Documents ¢ Plans & Specifications ¢ Geotechnical Report ¡ Site Visit—Not just recommended-Required ¢ Site Visit Checklist à Identify items in the Project Documents ¢ Project Visualization ¢ Project Constraints ¡ Project Construction ¢ Stages ¢ Order of the work ¡ Safety ¢ High Risk Items 11/2/2008 2 ¡ Steps to Earthwork Planning ¢ Analysis of the Project Documents à Graphical Representation of a Project ¡ Plan, Profile, Cross-Sectional View 11/2/2008 3 Volumes à Clearing & Grubbing (AC) à Topsoil Stripping (CY) à Mass Excavation/Structural Excavation (CY) à Utilities (LF) à Paving (SF/SY) ¡ Takeoff Methods ¢ Average-End Area ¢ Digitization à Agtek, Paydirt, etc. ¢ Planimeter-Not really used anymore Volume [net cy] = 27 2 2 1 L ) A A ( × + Assumes that the ground between the two end areas changes in a linear fashion. Reduce the opportunity for errors by reducing distance between end areas. 27 2 11/2/2008 4 Earthwork Takeoff Earthwork Takeoff—Digitization Digitization • Digitization • Computer Programs • Agtek, PayDirt, AutoCAD etc. ¡ Advantages ¢ Time ¢ Ease—Import Cad drawings ¢ Layering-Geotechnical Analysis ¢ Import to 3D Grade Control Software ¢ Mass Ordinate Calcs. ¢ Quantity Verification ¡ Disadvantage ¢ Rely on the accuracy of the Engineer’s Plans 11/2/2008 5 ¡ Stripping ¢ Removal of Organic Layer of Topsoil ¢ Must remove to place fills or begin excavations...
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This note was uploaded on 01/07/2012 for the course CM 335 taught by Professor Staff during the Fall '08 term at BYU.

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CPEM Chapter _3 - 1 Instructor Dustin Olson MBA “The...

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