CE 321 Exam I - Construction Planning and Scheduling Fall 2008, Exams of Civil Engineering

Download CE 321 Exam I - Construction Planning and Scheduling Fall 2008 and more Exams Civil Engineering in PDF only on Docsity! Name, _ CE 321 - CO NSTRUCTION PLANNIN G AND SCHEDULING Exam I Fall 2008 (closed book; closed notes) General Instructions: Provide brief but complete answers and provide your name on first page and initials on following pages. 1. True (T) or false (F)? (3 pts) F_ _ Procurement of resources (equipment) should not be shown on the network schedule. F_ _ Project days are the most common time units used for scheduling construction projects. T Management is one of the major activities that may appear in the network schedule. 2. What is an expediter's function? (2 pts) Work to ensure that resources are obtained on time as planned 3. Define work packages and explain how they are related to the act ivities in the network schedule? (3 pts) Work packages are the lowest level items in the 'work breakdown structure and describe the basic construction objectives. Work packages. or smaller portions ofthem. become construction activities in the network schedule. 4. What three options are available to account for procurement start times that precede construction start time? (3 pts) Add time to project duration Absorb time in construction activityfloat Absorb time in procurement activityfloat (leeway) 5. Histo rical data from typ ical projects you have completed for a certain retail chain owner reveals that it takes your crew an average duration of 7 days to complete the hanging of exterior prefabricated wall pane l on one face of their standard building. However, you are not satisfied with the inconsistency of your durations. Assuming you are sat isfied with 7 days as an average duration. what standard deviation is necessary, for you to have 95% confidence that your future durations wil l not exceed 10 days? (6 pts) 95% -. 1.645 standard deviations to right ofthe mean (l .645)(standard deviations) + 7 = 10 standard deviation = 1.82 6. Remove (cross out) the redundancies from the table of activity relationships below. (5 pts) Activity IPAs D - F - Q - X D,F.O Z F.Q R no II;' n ,X S D, F,Q. Z, X T no II;' n,X 7. Label the act ivities and nodes on the following arrow diagram. (21 pts) Activity IPAs M - N - 0 - P M N,O 0 N,O R P,O S M,N T P,O T N Q \ \~u m(f'\ Y dlA ttI"'1: .. R O \I/." " , J-----~.I. :3 .. p--\4gmtn'l .. A.' S '1--------' \ ' ,I M ~ ~o. rT\ ff\ 'f s '--------~ l..f ) ----J "'/1' I {/1 11 II II //I r Lu» fill J I/lJ I "tlllff ti . 'lll II /I/I,le I 11.. " f I "/lI!. nu:« tI /11/' ", 1/ rs )