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Shaft Construction

1) SCC is constructing a 15,000 seat stadium for Jamestown Community College with a deadline of August 26th, 2017 and a projected net income of $450,000. 2) Analysis of alternatives found expediting the pouring of the seat gallery supports (Task H) decreased the project duration and increased net income the most. 3) The recommendation is for SCC to expedite Task H, cutting the duration from 10 to 6 weeks and incurring the $22,000 charge, as it provided the best outcome with the highest probability of facing a strike or harsh winter during construction.

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1 Shaft Construction Dr. Greene Brian Doyle | Jacob Groezinger | Lillian Kravitz | John Rosser Team 5 ISE 311 A51 – Enterprise Systems Monday, April 11, 2016
2 Agenda Introduction Background Assumptions Analysis Conclusions Recommendations Ideas for Future Research
3 Framework Analysis Conclusions Recommendations Introduction Shaft Construction Company (SCC) • Key Stakeholders: • John Shaft – President & CEO • Bumpy Jonas – Lead Designer • Ellie Moore – Director of Personnel • Objective: • 15,000 seat stadium on college campus • Net Income: $450,000 • Client Details: • Jamestown, PA • Jamestown Community College http://cdn0.wideopencountry.com/wp-content/uploads/2015/08/high-school-football-793x526.jpg
4 Framework Analysis Conclusions Recommendations Background Background • Constraints: • August 26th, 2017 deadline • Resource allocation • Penalties • Potential Risks: • Approximately 10-week strike • Harsh winter: • Charge for pouring concrete
5 Framework Analysis Conclusions Recommendations Assumptions Project: • Project start date: June 6th, 2016 • No work on weekends • No overtime • Equipment and materials are out of scope • Winter months: December, January & February
6 Framework Analysis Conclusions Recommendations Assumptions (con’t) Construction: • Footings require three weeks to cure • Work that follows footings cannot begin until curing is complete • Site preparation and foundation includes staging areas and traffic flow redirection • When forecasted temperatures are higher than 90 degrees, workers will utilize early mornings for heat sensitive activities • “Filling of the field” is assumed to be activity C, build field • Tasks can pause midway through duration and resume at a later time
7 Framework Analysis Conclusions Recommendations Assumptions (con’t) Employees: • 67% of employees laid off during winter • 15 employees during December, January and February, 30 for other months • 5 employees utilized for management • SCC hires unionized employees • Strike begins when contract expires Costs • Projected net income of project: $450,000 • Indirect cost applied to alternate scenarios based off of do nothing benchmark • Federal Holidays are insignificant
8 Framework Analysis Conclusions Recommendations Work Breakdown Structure
9 Framework Analysis Conclusions Recommendations Network Information Item Structure or Field Task Duration Predecessor A Both Site Preparation & foundation 8 weeks - B Field Subsurface drainage 4 weeks A C Field Build field 4 weeks B D Field Installation of artificial surface 7 weeks C E Structure Footing & Curing 4 weeks & 3 weeks A F Structure Concrete Pillars 4 weeks E G Structure Steel structure 6 weeks E H Structure Seat Galleries Concrete Pour 10 weeks F I Structure Pre-cast Galleries 11 weeks H J Structure Roof 8 weeks G K Structure Seat Installations 4 weeks I L Structure Office & Dressing rooms 4 weeks J M Structure Seat Painting 3 weeks K N Structure Painting Other & Interior & Lights 5 weeks L O Structure Scoreboard and other elctronics 4 weeks L
10 Framework Analysis Conclusions Recommendations Risk Assessment Colder Temperatures: • $1,640 per week to pour concrete Strike: • 50 percent likelihood Penalty Clause • Construction extends past August 26th deadline • Cost: $18,000 per week
11 Framework Analysis Conclusions Recommendations Given Alternatives Do Nothing Expedite H** Expedite H** & Double Shift C* *Task C : Build Field **Task H : Pouring of the seat gallery supports
12 Framework Analysis Conclusions Recommendations PERT – Do Nothing 8 B 12 12 C 16 16 D 23 24 24 24 32 4 36 36 4 40 40 7 47 0 A 8 0 15 F 19 19 H 29 29 I 40 40 K 44 44 M 47 47 - 47 0 8 8 0 0 0 0 0 15 4 19 19 10 29 29 11 40 40 4 44 44 3 47 47 0 47 8 E 15 0 33 N 38 8 7 15 15 G 21 21 J 29 29 L 33 9 9 9 9 42 5 47 24 6 30 30 8 38 38 4 42 ES ID EF 33 O 37 SL Descrip. 10 LS DUR LF 43 4 47 Site Prep Electric Office Dress Paint OccupancySeat PaintSeatsPre-Cast Roof Footings Sub. Drain Surface Seat Gallaries Steel Pillars Build field
13 Framework Analysis Conclusions Recommendations Gantt Chart – Do Nothing Shaft Construction Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan) Start June 6thJuly 4th August 1st September 5th November 7st December 12th February 13th April 10th May 8th PLAN PLAN ACTUAL ACTUAL October 3rd January 9th March 13th ACTIVITY STAR T DURATIO N START DURATIONWEEK 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 A: Site/Foundation Prep 1 7 1 7 B: Subsurface Drainage Install 8 4 8 4 C: Field Build 12 4 12 4 D: Artificial Surface Install 16 7 16 7 E: Footing Pour 8 7 8 7 F: Concrete Pillar Pour 15 4 15 4 G: Steel Structure Build 15 6 15 6 H: Seat Galleries Concrete Pour 19 10 19 10 I: Galleries Install 29 11 29 11 J: Roof Build 21 8 21 8 K: Seat Install 40 4 40 4 L: Office/Dressing Room Build 29 4 29 4 M: Seat Painting 44 3 44 3 N: Interior Paint/Electrical Install 33 5 33 5 O: Concrete Pillar Pour 33 4 33 4
17 Framework Analysis Conclusions Recommendations Resource PERT – Do Nothing 8 B 12 12 C 39 40 D 47 24 24 0 32 4 36 36 4 40 40 7 47 0 A 8 0 15 F 19 19 H 29 29 I 40 40 K 44 44 M 47 53 - 53 0 8 8 6 6 6 6 6 21 4 25 25 10 35 35 11 46 46 4 50 50 3 53 53 0 53 8 E 15 0 48 N 53 8 7 15 15 G 21 21 J 44 44 L 48 0 0 0 0 48 5 53 15 6 21 21 8 44 44 4 48 ES ID EF 48 O 52 SL Descrip. 1 LS DUR LF 49 4 53 Steel Roof Office Dress Electric Pre-Cast Seats Footings Paint Sub. Drain Build field Surface Site Prep Pillars Seat Gallaries Seat Paint Occupancy
18 Framework Analysis Conclusions Recommendations Resource Gantt – Do Nothing Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan) PLAN PLAN ACTUAL ACTUAL ACTIVITY START DURATION START DURATION 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 A: Site/Foundation Prep 1 7 1 7 B: Subsurface Drainage Install 8 4 8 4 C: Field Build 12 26 12 26 D: Artificial Surface Install 40 7 40 7 E: Footing Pour 8 7 8 7 F: Concrete Pillar Pour 15 4 15 4 G: Steel Structure Build 15 6 15 6 H: Seat Galleries Concrete Pour 19 10 19 10 I: Galleries Install 29 11 29 11 J: Roof Build 21 22 21 22 K: Seat Install 40 4 40 4 L: Office/Dressing Room Build 44 4 44 4 M: Seat Painting 44 3 44 3 N: Interior Paint/Electrical Install 48 5 48 5 O: Concrete Pillar Pour 48 4 48 4 February 13th March 13th April 10th May 8th June 12thSeptember 5th October 3rd November 7st December 12th January 9th Shaft Construction WEEK Start June 6th July 4th August 1st
19 Framework Analysis Conclusions Recommendations Gantt Chart – Expedite H Shaft Construction Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan) Sta rtJune 6th July 4th August 1st September 5th November 7st December 12th February 13th April 10th May 8th PLAN PLAN ACTUAL ACTUAL October 3rd January 9th March 13th ACTIVITY START DURATION START DURATION WE EK 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 A: Site/Foundation Prep 1 7 1 7 B: Subsurface Drainage Install 8 4 8 4 C: Field Build 12 26 12 26 D: Artificial Surface Install 40 7 40 7 E: Footing Pour 8 7 8 7 F: Concrete Pillar Pour 15 4 15 4 G: Steel Structure Build 15 6 15 6 H: Seat Galleries Concrete Pour 19 6 19 6 I: Galleries Install 25 11 25 11 J: Roof Build 21 8 21 8 K: Seat Install 36 4 36 4 L: Office/Dressing Room Build 40 4 40 4 M: Seat Painting 40 3 40 3 N: Interior Paint/Electrical Install 44 5 44 5 O: Concrete Pillar Pour 44 4 44 4
28 Framework Analysis Conclusions Recommendations Strike Gantt Chart Shaft Construction Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan) Start June 6th .July 4th August 1st September 5th November 7st December 12th February 13th April 10th May 8th June 12th July 3rd August 7th PLAN PLAN ACTUAL ACTUAL October 3rd January 9th March 13th August 21st ACTIVITY START DURATION START DURATION WEEK STRIKE 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 A: Site/Foundation Prep 1 7 1 7 B: Subsurface Drainage Install 8 4 8 4 C: Field Build 12 26 12 26 D: Artificial Surface Install 44 7 44 7 E: Footing Pour 8 7 8 7 F: Concrete Pillar Pour 15 4 15 4 G: Steel Structure Build 15 6 15 6 H: Seat Galleries Concrete Pour 34 10 34 10 I: Galleries Install 39 11 39 11 J: Roof Build 21 22 21 22 K: Seat Install 50 4 50 4 L: Office/Dressing Room Build 44 4 44 4 M: Seat Painting 54 3 54 3 N: Interior Paint/Electrical Install 48 5 48 5 O: Concrete Pillar Pour 48 6 48 6
40 Framework Analysis Conclusions Recommendations Statistical Analysis Probability Warm Temp (>33O) Probability Cold Temp (<33O) Cold AND Strike Cold OR Strike December 48.4% 51.6% 25.8% 75.8% January 46.8% 53.2% 26.6% 76.6% February 56.4% 43.6% - 43.6%
41 Framework Analysis Conclusions Recommendations Net Income & Project Duration # Scenario Projected Net Income ($) Project Duration (weeks) 1Expedite H $474,360 49 2Expedite H & Cold $472,720 49 3Do Nothing $450,000 53 4Do Nothing & Cold $441,800 53 5Strike $403,640 57 6Strike & Cold $397,080 57 7Expedite H & Strike $381,640 57 8Close & Expedite H $381,640 57 9Expedite H & Strike & Cold $380,000 57 10Expedite H & Double Shift $360,050 58 11Expedite H & Double Shift & Cold $358,410 58 12Close $357,280 61
43 Framework Analysis Conclusions Recommendations Conclusions Conclusions • 76% chance of a strike or a harsh winter • Expediting H decreases duration and increases net income • Incur the $22,000 charge • Cut task duration from 10 to 6 weeks • Best alternative: • No obstacles • Cold winter
44 Framework Analysis Conclusions Recommendations Recommendations Expedite H: Pouring of the Seat Gallery Supports Highest Net Income Shortest Duration Accounts for the Most Risk
45 Framework Analysis Conclusions Recommendations Implementation Roadmap Meet with leadership Project start Follow-up
46 Framework Analysis Conclusions Recommendations Ideas for Future Research Next Steps • Increase employees • Different concrete mixtures • Reassess winter forecast in October
47 Framework Analysis Conclusions Recommendations References • (2013). Business Economics – A Library of Information. What is a Reasonable Profit in Construction? Retrieved from http://businessecon.org/2013/01/what-is-a-reasonable-profit-in-construction/ • (2016). Placing Concrete in Hot or Cold Weather. Sakrete. Retrieved from http://www.sakrete.com/media- center/blog-detail.cfm/bp_alias/Placing-Concrete-in-hot-or-cold-weather • (2016). U.S. Climate Change. Temperature-Precipitation-Sunshine-Snowfall. Retrieved from<http://www.usclimatedata.com/climate/jamestown/pennsylvania/united-states/uspa0781> • Blank, L. & Tarquin, A. (2012). Engineering Economy. New York, NY: McGraw-Hill. • Department of Commerce. (2016). National Centers for Environmental Information (NCEI). Retrieved from <https://www.ncdc.noaa.gov/> • Grabianowski, E. (2006, March). How Strikes Work. Retrieved from <http://money.howstuffworks.com/strike.htm> • Mishra, G. (2016). The Constructor – Civil Engineering Home. Construction Project Costs. Retrieved from http://theconstructor.org/constrution/construction-project-costs/7677/
Questions
Appendix
50 Framework Analysis Conclusions Recommendations Strike Resource Schedule 11/21 11/28 12/5 12/12 12/19 12/26 1/2 1/9 1/16 1/23 1/30 2/6 2/13 2/20 2/27 3/6 3/13 3/20 3/27 4/3 4/10 4/17 4/24 5/1 5/8 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 10 7 7 7 7 8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10 X X X X 10 10 10 10 10 X X X X 8 8 8 8 X X X X Strike Period X X X X 18 8 8 8 18 20 20 20 20 20 25 25 25 25 25 10 10 10 25 25 25 25 25 25 25 25 25 25 H
51 Framework Analysis Conclusions Recommendations Strike Resource Schedule 6/6 6/13 6/20 6/27 7/4 7/11 7/18 7/25 8/1 8/8 8/15 8/22 8/29 9/5 9/12 9/19 9/26 10/3 10/10 10/17 10/24 10/31 11/7 11/14 ID RES DUR ES LF SL 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 A 25 8 0 8 0 25 25 25 25 25 25 25 25 25 B 10 4 8 36 24 10 10 10 10 C 10 4 12 40 24 10 10 10X D 7 7 16 47 24 X X X X X X X E 12 7 8 15 0 12 12 12 12 12 12 12 F 8 4 15 19 0 8 8 8 8 G 10 6 15 30 9 10 10 10 10 10 10 H 8 10 19 29 0 8 8 8 8 I 10 11 29 40 0 J 10 8 21 38 9 10 10 K 8 4 40 44 0 L 8 4 29 42 9 M 6 3 44 47 0 N 6 5 33 47 9 O 6 4 33 47 10 Total 25 25 25 25 25 25 25 25 25 22 22 22 22 22 22 22 18 18 18 18 18 18 18 18 Max Resource 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
52 Framework Analysis Conclusions Recommendations Strike Resource Schedule 5/15 5/22 5/29 6/5 6/12 6/19 6/26 7/3 7/10 7/17 7/24 7/31 49 50 51 52 53 54 55 56 57 58 59 60 7 7 7 10 10 8 8 8 8 6 6 6 6 6 6 6 6 6 6 6X X 6 22 22 20 21 21 21 6 6 6 0 25 22 25 25 25 25 25 25 25 25 25 25 25 25 H
53 Framework Analysis Conclusions Recommendations Close Winter Resource Schedule 6/6 6/13 6/20 6/27 7/4 7/11 7/18 7/25 8/1 8/8 8/15 8/22 8/29 9/5 9/12 9/19 9/26 10/3 10/10 10/17 10/24 ID RES DUR ES LF SL 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A 25 8 0 8 0 25 25 25 25 25 25 25 25 25 B 10 4 8 36 24 10 10 10 10 C 10 4 12 40 24 10 10 10X D 7 7 16 47 24 X X X X E 12 7 8 15 0 12 12 12 12 12 12 12 F 8 4 15 19 0 8 8 8 8 G 10 6 15 30 9 10 10 10 10 10 H 8 10 19 29 0 8 I 10 11 29 40 0 J 10 8 21 38 9 K 8 4 40 44 0 L 8 4 29 42 9 M 6 3 44 47 0 N 6 5 33 47 9 O 6 4 33 47 10 Total 25 25 25 25 25 25 25 25 25 22 22 22 22 22 22 22 18 18 18 18 18 Max Resource 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
54 Framework Analysis Conclusions Recommendations Close Winter Resource Schedule 10/31 11/7 11/14 11/21 11/28 12/5 12/12 12/19 12/26 1/2 1/9 1/16 1/23 1/30 2/6 2/13 2/20 2/27 3/6 3/13 3/20 3/27 4/3 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 X X X 10 8 8 8 8 8 8 8 8 8 10 10 10 10 10 10 10 10 18 18 18 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 18 18 18 18 25 25 25 25 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 25 25 25 25 H
55 Framework Analysis Conclusions Recommendations Close Winter Resource Schedule 4/10 4/17 4/24 5/1 5/8 5/15 5/22 5/29 6/5 6/12 6/19 6/26 7/3 7/10 7/17 7/24 7/31 8/7 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 10 7 7 7 7 7 7 7 10 10 10 10 10 10 10 10 10 10 10 8 8 8 8 8 8 8 8 6 6 6 6 6 6 6 6 6 6 6 6 18 18 18 18 22 22 22 22 16 20 17 15 15 15 15 13 13 6 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
56 Framework Analysis Conclusions Recommendations Close Winter Expedite H: Resource Schedule 6/6 6/13 6/20 6/27 7/4 7/11 7/18 7/25 8/1 8/8 8/15 8/22 8/29 9/5 9/12 9/19 9/26 10/3 10/10 10/17 ID RES DUR ES LF SL 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 A 25 8 0 8 0 25 25 25 25 25 25 25 25 25 B 10 4 8 36 24 10 10 10 10 C 10 4 12 40 24 10 10 10X D 7 7 16 47 24 X X X E 12 7 8 15 0 12 12 12 12 12 12 12 F 8 4 15 19 0 8 8 8 8 G 10 6 15 30 9 10 10 10 10 H 8 10 19 29 0 I 10 11 29 40 0 J 10 8 21 38 9 K 8 4 40 44 0 L 8 4 29 42 9 M 6 3 44 47 0 N 6 5 33 47 9 O 6 4 33 47 10 Total 25 25 25 25 25 25 25 25 25 22 22 22 22 22 22 22 18 18 18 18 Max Resource 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
57 Framework Analysis Conclusions Recommendations Close Winter Expedite H: Resource Schedule 10/24 10/31 11/7 11/14 11/21 11/28 12/5 12/12 12/19 12/26 1/2 1/9 1/16 1/23 1/30 2/6 2/13 2/20 2/27 3/6 3/13 3/20 3/27 4/3 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 X X X X 10 10 8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10 10 10 18 18 18 18 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 20 20 20 20 25 25 25 25 25 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 25 25 25 25 H
58 Framework Analysis Conclusions Recommendations Close Winter Expedite H: Resource Schedule 10/24 10/31 11/7 11/14 11/21 11/28 12/5 12/12 12/19 12/26 1/2 1/9 1/16 1/23 1/30 2/6 2/13 2/20 2/27 3/6 3/13 3/20 3/27 4/3 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 X X X X 10 10 8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10 10 10 18 18 18 18 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 20 20 20 20 25 25 25 25 25 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 25 25 25 25 H
59 Framework Analysis Conclusions Recommendations Close Winter Expedite H: Resource Schedule 4/10 4/17 4/24 5/1 5/8 5/15 5/22 5/29 6/5 6/12 6/19 6/26 7/3 7/10 44 45 46 47 48 49 50 51 52 53 54 55 56 57 10 7 7 7 7 7 7 10 10 10 10 10 10 10 8 8 8 8 8 8 8 8 6 6 6 6 6 6 6 6 6 6 6 6 18 18 18 18 22 22 22 30 21 15 15 13 13 13 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
60 Framework Analysis Conclusions Recommendations Weather Data December Mean = 32.56o F January Mean = 32.61 o F February Mean = 33.88 o F December Standard Deviation = 10.136 January Standard Deviation = 5.076 February Standard Deviation = 5.374 December Z-value = 0.043778 January Z-value = 0.077565 February Z-value = -0.16281 H
61 Framework Analysis Conclusions Recommendations Indirect Costs (x)*(0.09) = $450,000 $5,000,000 = x Costs = $5,000,000 - $450,000 = $4,550,000 Project overhead = (5% + 15%)/2 = 10% General overhead = (2% + 5%)/2 = 3.5% Indirect costs = (0.1)*($4,550,000) + (0.035)*($4,550,000) Indirect costs = $614,250 Weekly indirect cost = $614,250/53 = $11,589.63 H

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Shaft Construction

  • 1.
    1 Shaft Construction Dr. Greene BrianDoyle | Jacob Groezinger | Lillian Kravitz | John Rosser Team 5 ISE 311 A51 – Enterprise Systems Monday, April 11, 2016
  • 2.
  • 3.
    3 Framework Analysis ConclusionsRecommendations Introduction Shaft Construction Company (SCC) • Key Stakeholders: • John Shaft – President & CEO • Bumpy Jonas – Lead Designer • Ellie Moore – Director of Personnel • Objective: • 15,000 seat stadium on college campus • Net Income: $450,000 • Client Details: • Jamestown, PA • Jamestown Community College http://cdn0.wideopencountry.com/wp-content/uploads/2015/08/high-school-football-793x526.jpg
  • 4.
    4 Framework Analysis ConclusionsRecommendations Background Background • Constraints: • August 26th, 2017 deadline • Resource allocation • Penalties • Potential Risks: • Approximately 10-week strike • Harsh winter: • Charge for pouring concrete
  • 5.
    5 Framework Analysis ConclusionsRecommendations Assumptions Project: • Project start date: June 6th, 2016 • No work on weekends • No overtime • Equipment and materials are out of scope • Winter months: December, January & February
  • 6.
    6 Framework Analysis ConclusionsRecommendations Assumptions (con’t) Construction: • Footings require three weeks to cure • Work that follows footings cannot begin until curing is complete • Site preparation and foundation includes staging areas and traffic flow redirection • When forecasted temperatures are higher than 90 degrees, workers will utilize early mornings for heat sensitive activities • “Filling of the field” is assumed to be activity C, build field • Tasks can pause midway through duration and resume at a later time
  • 7.
    7 Framework Analysis ConclusionsRecommendations Assumptions (con’t) Employees: • 67% of employees laid off during winter • 15 employees during December, January and February, 30 for other months • 5 employees utilized for management • SCC hires unionized employees • Strike begins when contract expires Costs • Projected net income of project: $450,000 • Indirect cost applied to alternate scenarios based off of do nothing benchmark • Federal Holidays are insignificant
  • 8.
    8 Framework Analysis ConclusionsRecommendations Work Breakdown Structure
  • 9.
    9 Framework Analysis ConclusionsRecommendations Network Information Item Structure or Field Task Duration Predecessor A Both Site Preparation & foundation 8 weeks - B Field Subsurface drainage 4 weeks A C Field Build field 4 weeks B D Field Installation of artificial surface 7 weeks C E Structure Footing & Curing 4 weeks & 3 weeks A F Structure Concrete Pillars 4 weeks E G Structure Steel structure 6 weeks E H Structure Seat Galleries Concrete Pour 10 weeks F I Structure Pre-cast Galleries 11 weeks H J Structure Roof 8 weeks G K Structure Seat Installations 4 weeks I L Structure Office & Dressing rooms 4 weeks J M Structure Seat Painting 3 weeks K N Structure Painting Other & Interior & Lights 5 weeks L O Structure Scoreboard and other elctronics 4 weeks L
  • 10.
    10 Framework Analysis ConclusionsRecommendations Risk Assessment Colder Temperatures: • $1,640 per week to pour concrete Strike: • 50 percent likelihood Penalty Clause • Construction extends past August 26th deadline • Cost: $18,000 per week
  • 11.
    11 Framework Analysis ConclusionsRecommendations Given Alternatives Do Nothing Expedite H** Expedite H** & Double Shift C* *Task C : Build Field **Task H : Pouring of the seat gallery supports
  • 12.
    12 Framework Analysis ConclusionsRecommendations PERT – Do Nothing 8 B 12 12 C 16 16 D 23 24 24 24 32 4 36 36 4 40 40 7 47 0 A 8 0 15 F 19 19 H 29 29 I 40 40 K 44 44 M 47 47 - 47 0 8 8 0 0 0 0 0 15 4 19 19 10 29 29 11 40 40 4 44 44 3 47 47 0 47 8 E 15 0 33 N 38 8 7 15 15 G 21 21 J 29 29 L 33 9 9 9 9 42 5 47 24 6 30 30 8 38 38 4 42 ES ID EF 33 O 37 SL Descrip. 10 LS DUR LF 43 4 47 Site Prep Electric Office Dress Paint OccupancySeat PaintSeatsPre-Cast Roof Footings Sub. Drain Surface Seat Gallaries Steel Pillars Build field
  • 13.
    13 Framework Analysis ConclusionsRecommendations Gantt Chart – Do Nothing Shaft Construction Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan) Start June 6thJuly 4th August 1st September 5th November 7st December 12th February 13th April 10th May 8th PLAN PLAN ACTUAL ACTUAL October 3rd January 9th March 13th ACTIVITY STAR T DURATIO N START DURATIONWEEK 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 A: Site/Foundation Prep 1 7 1 7 B: Subsurface Drainage Install 8 4 8 4 C: Field Build 12 4 12 4 D: Artificial Surface Install 16 7 16 7 E: Footing Pour 8 7 8 7 F: Concrete Pillar Pour 15 4 15 4 G: Steel Structure Build 15 6 15 6 H: Seat Galleries Concrete Pour 19 10 19 10 I: Galleries Install 29 11 29 11 J: Roof Build 21 8 21 8 K: Seat Install 40 4 40 4 L: Office/Dressing Room Build 29 4 29 4 M: Seat Painting 44 3 44 3 N: Interior Paint/Electrical Install 33 5 33 5 O: Concrete Pillar Pour 33 4 33 4
  • 14.
    17 Framework Analysis ConclusionsRecommendations Resource PERT – Do Nothing 8 B 12 12 C 39 40 D 47 24 24 0 32 4 36 36 4 40 40 7 47 0 A 8 0 15 F 19 19 H 29 29 I 40 40 K 44 44 M 47 53 - 53 0 8 8 6 6 6 6 6 21 4 25 25 10 35 35 11 46 46 4 50 50 3 53 53 0 53 8 E 15 0 48 N 53 8 7 15 15 G 21 21 J 44 44 L 48 0 0 0 0 48 5 53 15 6 21 21 8 44 44 4 48 ES ID EF 48 O 52 SL Descrip. 1 LS DUR LF 49 4 53 Steel Roof Office Dress Electric Pre-Cast Seats Footings Paint Sub. Drain Build field Surface Site Prep Pillars Seat Gallaries Seat Paint Occupancy
  • 15.
    18 Framework Analysis ConclusionsRecommendations Resource Gantt – Do Nothing Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan) PLAN PLAN ACTUAL ACTUAL ACTIVITY START DURATION START DURATION 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 A: Site/Foundation Prep 1 7 1 7 B: Subsurface Drainage Install 8 4 8 4 C: Field Build 12 26 12 26 D: Artificial Surface Install 40 7 40 7 E: Footing Pour 8 7 8 7 F: Concrete Pillar Pour 15 4 15 4 G: Steel Structure Build 15 6 15 6 H: Seat Galleries Concrete Pour 19 10 19 10 I: Galleries Install 29 11 29 11 J: Roof Build 21 22 21 22 K: Seat Install 40 4 40 4 L: Office/Dressing Room Build 44 4 44 4 M: Seat Painting 44 3 44 3 N: Interior Paint/Electrical Install 48 5 48 5 O: Concrete Pillar Pour 48 4 48 4 February 13th March 13th April 10th May 8th June 12thSeptember 5th October 3rd November 7st December 12th January 9th Shaft Construction WEEK Start June 6th July 4th August 1st
  • 16.
    19 Framework Analysis ConclusionsRecommendations Gantt Chart – Expedite H Shaft Construction Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan) Sta rtJune 6th July 4th August 1st September 5th November 7st December 12th February 13th April 10th May 8th PLAN PLAN ACTUAL ACTUAL October 3rd January 9th March 13th ACTIVITY START DURATION START DURATION WE EK 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 A: Site/Foundation Prep 1 7 1 7 B: Subsurface Drainage Install 8 4 8 4 C: Field Build 12 26 12 26 D: Artificial Surface Install 40 7 40 7 E: Footing Pour 8 7 8 7 F: Concrete Pillar Pour 15 4 15 4 G: Steel Structure Build 15 6 15 6 H: Seat Galleries Concrete Pour 19 6 19 6 I: Galleries Install 25 11 25 11 J: Roof Build 21 8 21 8 K: Seat Install 36 4 36 4 L: Office/Dressing Room Build 40 4 40 4 M: Seat Painting 40 3 40 3 N: Interior Paint/Electrical Install 44 5 44 5 O: Concrete Pillar Pour 44 4 44 4
  • 17.
    28 Framework Analysis ConclusionsRecommendations Strike Gantt Chart Shaft Construction Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan) Start June 6th .July 4th August 1st September 5th November 7st December 12th February 13th April 10th May 8th June 12th July 3rd August 7th PLAN PLAN ACTUAL ACTUAL October 3rd January 9th March 13th August 21st ACTIVITY START DURATION START DURATION WEEK STRIKE 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 A: Site/Foundation Prep 1 7 1 7 B: Subsurface Drainage Install 8 4 8 4 C: Field Build 12 26 12 26 D: Artificial Surface Install 44 7 44 7 E: Footing Pour 8 7 8 7 F: Concrete Pillar Pour 15 4 15 4 G: Steel Structure Build 15 6 15 6 H: Seat Galleries Concrete Pour 34 10 34 10 I: Galleries Install 39 11 39 11 J: Roof Build 21 22 21 22 K: Seat Install 50 4 50 4 L: Office/Dressing Room Build 44 4 44 4 M: Seat Painting 54 3 54 3 N: Interior Paint/Electrical Install 48 5 48 5 O: Concrete Pillar Pour 48 6 48 6
  • 18.
    40 Framework Analysis ConclusionsRecommendations Statistical Analysis Probability Warm Temp (>33O) Probability Cold Temp (<33O) Cold AND Strike Cold OR Strike December 48.4% 51.6% 25.8% 75.8% January 46.8% 53.2% 26.6% 76.6% February 56.4% 43.6% - 43.6%
  • 19.
    41 Framework Analysis ConclusionsRecommendations Net Income & Project Duration # Scenario Projected Net Income ($) Project Duration (weeks) 1Expedite H $474,360 49 2Expedite H & Cold $472,720 49 3Do Nothing $450,000 53 4Do Nothing & Cold $441,800 53 5Strike $403,640 57 6Strike & Cold $397,080 57 7Expedite H & Strike $381,640 57 8Close & Expedite H $381,640 57 9Expedite H & Strike & Cold $380,000 57 10Expedite H & Double Shift $360,050 58 11Expedite H & Double Shift & Cold $358,410 58 12Close $357,280 61
  • 20.
    43 Framework Analysis ConclusionsRecommendations Conclusions Conclusions • 76% chance of a strike or a harsh winter • Expediting H decreases duration and increases net income • Incur the $22,000 charge • Cut task duration from 10 to 6 weeks • Best alternative: • No obstacles • Cold winter
  • 21.
    44 Framework Analysis ConclusionsRecommendations Recommendations Expedite H: Pouring of the Seat Gallery Supports Highest Net Income Shortest Duration Accounts for the Most Risk
  • 22.
    45 Framework Analysis ConclusionsRecommendations Implementation Roadmap Meet with leadership Project start Follow-up
  • 23.
    46 Framework Analysis ConclusionsRecommendations Ideas for Future Research Next Steps • Increase employees • Different concrete mixtures • Reassess winter forecast in October
  • 24.
    47 Framework Analysis ConclusionsRecommendations References • (2013). Business Economics – A Library of Information. What is a Reasonable Profit in Construction? Retrieved from http://businessecon.org/2013/01/what-is-a-reasonable-profit-in-construction/ • (2016). Placing Concrete in Hot or Cold Weather. Sakrete. Retrieved from http://www.sakrete.com/media- center/blog-detail.cfm/bp_alias/Placing-Concrete-in-hot-or-cold-weather • (2016). U.S. Climate Change. Temperature-Precipitation-Sunshine-Snowfall. Retrieved from<http://www.usclimatedata.com/climate/jamestown/pennsylvania/united-states/uspa0781> • Blank, L. & Tarquin, A. (2012). Engineering Economy. New York, NY: McGraw-Hill. • Department of Commerce. (2016). National Centers for Environmental Information (NCEI). Retrieved from <https://www.ncdc.noaa.gov/> • Grabianowski, E. (2006, March). How Strikes Work. Retrieved from <http://money.howstuffworks.com/strike.htm> • Mishra, G. (2016). The Constructor – Civil Engineering Home. Construction Project Costs. Retrieved from http://theconstructor.org/constrution/construction-project-costs/7677/
  • 25.
  • 26.
  • 27.
    50 Framework Analysis ConclusionsRecommendations Strike Resource Schedule 11/21 11/28 12/5 12/12 12/19 12/26 1/2 1/9 1/16 1/23 1/30 2/6 2/13 2/20 2/27 3/6 3/13 3/20 3/27 4/3 4/10 4/17 4/24 5/1 5/8 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 10 7 7 7 7 8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10 X X X X 10 10 10 10 10 X X X X 8 8 8 8 X X X X Strike Period X X X X 18 8 8 8 18 20 20 20 20 20 25 25 25 25 25 10 10 10 25 25 25 25 25 25 25 25 25 25 H
  • 28.
    51 Framework Analysis ConclusionsRecommendations Strike Resource Schedule 6/6 6/13 6/20 6/27 7/4 7/11 7/18 7/25 8/1 8/8 8/15 8/22 8/29 9/5 9/12 9/19 9/26 10/3 10/10 10/17 10/24 10/31 11/7 11/14 ID RES DUR ES LF SL 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 A 25 8 0 8 0 25 25 25 25 25 25 25 25 25 B 10 4 8 36 24 10 10 10 10 C 10 4 12 40 24 10 10 10X D 7 7 16 47 24 X X X X X X X E 12 7 8 15 0 12 12 12 12 12 12 12 F 8 4 15 19 0 8 8 8 8 G 10 6 15 30 9 10 10 10 10 10 10 H 8 10 19 29 0 8 8 8 8 I 10 11 29 40 0 J 10 8 21 38 9 10 10 K 8 4 40 44 0 L 8 4 29 42 9 M 6 3 44 47 0 N 6 5 33 47 9 O 6 4 33 47 10 Total 25 25 25 25 25 25 25 25 25 22 22 22 22 22 22 22 18 18 18 18 18 18 18 18 Max Resource 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
  • 29.
    52 Framework Analysis ConclusionsRecommendations Strike Resource Schedule 5/15 5/22 5/29 6/5 6/12 6/19 6/26 7/3 7/10 7/17 7/24 7/31 49 50 51 52 53 54 55 56 57 58 59 60 7 7 7 10 10 8 8 8 8 6 6 6 6 6 6 6 6 6 6 6X X 6 22 22 20 21 21 21 6 6 6 0 25 22 25 25 25 25 25 25 25 25 25 25 25 25 H
  • 30.
    53 Framework Analysis ConclusionsRecommendations Close Winter Resource Schedule 6/6 6/13 6/20 6/27 7/4 7/11 7/18 7/25 8/1 8/8 8/15 8/22 8/29 9/5 9/12 9/19 9/26 10/3 10/10 10/17 10/24 ID RES DUR ES LF SL 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A 25 8 0 8 0 25 25 25 25 25 25 25 25 25 B 10 4 8 36 24 10 10 10 10 C 10 4 12 40 24 10 10 10X D 7 7 16 47 24 X X X X E 12 7 8 15 0 12 12 12 12 12 12 12 F 8 4 15 19 0 8 8 8 8 G 10 6 15 30 9 10 10 10 10 10 H 8 10 19 29 0 8 I 10 11 29 40 0 J 10 8 21 38 9 K 8 4 40 44 0 L 8 4 29 42 9 M 6 3 44 47 0 N 6 5 33 47 9 O 6 4 33 47 10 Total 25 25 25 25 25 25 25 25 25 22 22 22 22 22 22 22 18 18 18 18 18 Max Resource 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
  • 31.
    54 Framework Analysis ConclusionsRecommendations Close Winter Resource Schedule 10/31 11/7 11/14 11/21 11/28 12/5 12/12 12/19 12/26 1/2 1/9 1/16 1/23 1/30 2/6 2/13 2/20 2/27 3/6 3/13 3/20 3/27 4/3 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 X X X 10 8 8 8 8 8 8 8 8 8 10 10 10 10 10 10 10 10 18 18 18 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 18 18 18 18 25 25 25 25 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 25 25 25 25 H
  • 32.
    55 Framework Analysis ConclusionsRecommendations Close Winter Resource Schedule 4/10 4/17 4/24 5/1 5/8 5/15 5/22 5/29 6/5 6/12 6/19 6/26 7/3 7/10 7/17 7/24 7/31 8/7 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 10 7 7 7 7 7 7 7 10 10 10 10 10 10 10 10 10 10 10 8 8 8 8 8 8 8 8 6 6 6 6 6 6 6 6 6 6 6 6 18 18 18 18 22 22 22 22 16 20 17 15 15 15 15 13 13 6 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
  • 33.
    56 Framework Analysis ConclusionsRecommendations Close Winter Expedite H: Resource Schedule 6/6 6/13 6/20 6/27 7/4 7/11 7/18 7/25 8/1 8/8 8/15 8/22 8/29 9/5 9/12 9/19 9/26 10/3 10/10 10/17 ID RES DUR ES LF SL 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 A 25 8 0 8 0 25 25 25 25 25 25 25 25 25 B 10 4 8 36 24 10 10 10 10 C 10 4 12 40 24 10 10 10X D 7 7 16 47 24 X X X E 12 7 8 15 0 12 12 12 12 12 12 12 F 8 4 15 19 0 8 8 8 8 G 10 6 15 30 9 10 10 10 10 H 8 10 19 29 0 I 10 11 29 40 0 J 10 8 21 38 9 K 8 4 40 44 0 L 8 4 29 42 9 M 6 3 44 47 0 N 6 5 33 47 9 O 6 4 33 47 10 Total 25 25 25 25 25 25 25 25 25 22 22 22 22 22 22 22 18 18 18 18 Max Resource 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
  • 34.
    57 Framework Analysis ConclusionsRecommendations Close Winter Expedite H: Resource Schedule 10/24 10/31 11/7 11/14 11/21 11/28 12/5 12/12 12/19 12/26 1/2 1/9 1/16 1/23 1/30 2/6 2/13 2/20 2/27 3/6 3/13 3/20 3/27 4/3 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 X X X X 10 10 8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10 10 10 18 18 18 18 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 20 20 20 20 25 25 25 25 25 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 25 25 25 25 H
  • 35.
    58 Framework Analysis ConclusionsRecommendations Close Winter Expedite H: Resource Schedule 10/24 10/31 11/7 11/14 11/21 11/28 12/5 12/12 12/19 12/26 1/2 1/9 1/16 1/23 1/30 2/6 2/13 2/20 2/27 3/6 3/13 3/20 3/27 4/3 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 X X X X 10 10 8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10 10 10 18 18 18 18 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18 20 20 20 20 25 25 25 25 25 0 0 0 0 0 0 0 0 0 0 0 0 0 0 25 25 25 25 25 H
  • 36.
    59 Framework Analysis ConclusionsRecommendations Close Winter Expedite H: Resource Schedule 4/10 4/17 4/24 5/1 5/8 5/15 5/22 5/29 6/5 6/12 6/19 6/26 7/3 7/10 44 45 46 47 48 49 50 51 52 53 54 55 56 57 10 7 7 7 7 7 7 10 10 10 10 10 10 10 8 8 8 8 8 8 8 8 6 6 6 6 6 6 6 6 6 6 6 6 18 18 18 18 22 22 22 30 21 15 15 13 13 13 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H
  • 37.
    60 Framework Analysis ConclusionsRecommendations Weather Data December Mean = 32.56o F January Mean = 32.61 o F February Mean = 33.88 o F December Standard Deviation = 10.136 January Standard Deviation = 5.076 February Standard Deviation = 5.374 December Z-value = 0.043778 January Z-value = 0.077565 February Z-value = -0.16281 H
  • 38.
    61 Framework Analysis ConclusionsRecommendations Indirect Costs (x)*(0.09) = $450,000 $5,000,000 = x Costs = $5,000,000 - $450,000 = $4,550,000 Project overhead = (5% + 15%)/2 = 10% General overhead = (2% + 5%)/2 = 3.5% Indirect costs = (0.1)*($4,550,000) + (0.035)*($4,550,000) Indirect costs = $614,250 Weekly indirect cost = $614,250/53 = $11,589.63 H

Editor's Notes