1

Shaft ConstructionDr. 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

IntroductionShaft 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

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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

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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

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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

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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

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Framework Analysis Conclusions Recommendations

Work Breakdown Structure

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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 AC Field Build field 4 weeks B

D Field Installation of artificial surface 7 weeks CE Structure Footing & Curing 4 weeks & 3 weeks AF Structure Concrete Pillars 4 weeks EG Structure Steel structure 6 weeks E

H Structure Seat Galleries Concrete Pour 10 weeks FI Structure Pre-cast Galleries 11 weeks HJ Structure Roof 8 weeks GK Structure Seat Installations 4 weeks I

L Structure Office & Dressing rooms 4 weeks JM Structure Seat Painting 3 weeks K

N Structure Painting Other & Interior & Lights 5 weeks L

O Structure Scoreboard and other elctronics 4 weeks L

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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

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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

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Framework Analysis Conclusions Recommendations

PERT – Do Nothing

8 B 12 12 C 16 16 D 2324 24 2432 4 36 36 4 40 40 7 47

0 A 80 15 F 19 19 H 29 29 I 40 40 K 44 44 M 47 47 - 470 8 8 0 0 0 0 0

15 4 19 19 10 29 29 11 40 40 4 44 44 3 47 47 0 478 E 150 33 N 388 7 15 15 G 21 21 J 29 29 L 33 9

9 9 9 42 5 4724 6 30 30 8 38 38 4 42

ES ID EF 33 O 37SL Descrip. 10LS DUR LF 43 4 47

Site Prep

Electric

Office DressPaint

OccupancySeat PaintSeatsPre-Cast

Roof

Footings

Sub. Drain Surface

Seat Gallaries

Steel

Pillars

Build field

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Framework Analysis Conclusions Recommendations

Gantt Chart – Do Nothing 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

PLAN PLAN ACTUAL ACTUAL       October 3rd    January 9th  

March 13th    

ACTIVITYSTAR

TDURATIO

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                       

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Framework Analysis Conclusions Recommendations

Resource PERT – Do Nothing

8 B 12 12 C 39 40 D 4724 24 032 4 36 36 4 40 40 7 47

0 A 80 15 F 19 19 H 29 29 I 40 40 K 44 44 M 47 53 - 530 8 8 6 6 6 6 6

21 4 25 25 10 35 35 11 46 46 4 50 50 3 53 53 0 538 E 150 48 N 538 7 15 15 G 21 21 J 44 44 L 48 0

0 0 0 48 5 5315 6 21 21 8 44 44 4 48

ES ID EF 48 O 52SL Descrip. 1LS DUR LF 49 4 53

Steel Roof Office Dress

Electric

Pre-Cast Seats

FootingsPaint

Sub. Drain Build field Surface

Site PrepPillars Seat Gallaries Seat Paint Occupancy

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Framework Analysis Conclusions Recommendations

Resource Gantt – Do Nothing

Week Select: 1 Plan Actual % Complete Actual (beyond plan) % Complete (beyond plan)

PLAN PLAN ACTUAL ACTUALACTIVITY 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 55A: Site/Foundation Prep 1 7 1 7B: Subsurface Drainage Install 8 4 8 4C: Field Build 12 26 12 26D: Artificial Surface Install 40 7 40 7E: Footing Pour 8 7 8 7F: Concrete Pillar Pour 15 4 15 4G: Steel Structure Build 15 6 15 6H: Seat Galleries Concrete Pour 19 10 19 10I: Galleries Install 29 11 29 11J: Roof Build 21 22 21 22K: Seat Install 40 4 40 4L: Office/Dressing Room Build 44 4 44 4M: Seat Painting 44 3 44 3N: Interior Paint/Electrical Install 48 5 48 5O: Concrete Pillar Pour 48 4 48 4

February 13thMarch 13th

April 10th May 8th June 12thSeptember 5th October 3rd

November 7st December 12thJanuary 9th

Shaft ConstructionWEEK

Start June 6th July 4th August 1st

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Framework Analysis Conclusions Recommendations

Gantt Chart – Expedite H

Shaft ConstructionWeek Select: 1   Plan   Actual   % Complete   Actual (beyond plan)   % Complete (beyond plan)

StartJune 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 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

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                      

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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                                                  

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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%

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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

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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

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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

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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 1010 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 X18 8 8 8 18 20 20 20 20 20 25 25 25 2525 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 11/14ID 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 23A 25 8 0 8 0 25 25 25 25 25 25 25 25 25B 10 4 8 36 24 10 10 10 10 C 10 4 12 40 24 10 10 10 X D 7 7 16 47 24 X X X X X X XE 12 7 8 15 0 12 12 12 12 12 12 12F 8 4 15 19 0 8 8 8 8G 10 6 15 30 9 10 10 10 10 10 10 H 8 10 19 29 0 8 8 8 8I 10 11 29 40 0J 10 8 21 38 9 10 10K 8 4 40 44 0L 8 4 29 42 9M 6 3 44 47 0N 6 5 33 47 9O 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 18Max 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 7/3149 50 51 52 53 54 55 56 57 58 59 60

7 7 7

10 10

8 8 8 8

6 6 66 6 6 6 6 6 6 6X X 6

22 22 20 21 21 21 6 6 6 0 25 2225 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 10/24ID 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 20A 25 8 0 8 0 25 25 25 25 25 25 25 25 25B 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 XE 12 7 8 15 0 12 12 12 12 12 12 12F 8 4 15 19 0 8 8 8 8G 10 6 15 30 9 10 10 10 10 10H 8 10 19 29 0 8I 10 11 29 40 0J 10 8 21 38 9K 8 4 40 44 0L 8 4 29 42 9M 6 3 44 47 0N 6 5 33 47 9O 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 18Max 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 1825 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 8/744 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 88 8 8 8

6 6 66 6 6 6 6 6 6 6 6

18 18 18 18 22 22 22 22 16 20 17 15 15 15 15 13 13 625 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 10/17ID RES DUR ES LF SL 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19A 25 8 0 8 0 25 25 25 25 25 25 25 25 25B 10 4 8 36 24 10 10 10 10 C 10 4 12 40 24 10 10 10 X D 7 7 16 47 24 X X XE 12 7 8 15 0 12 12 12 12 12 12 12F 8 4 15 19 0 8 8 8 8G 10 6 15 30 9 10 10 10 10H 8 10 19 29 0I 10 11 29 40 0J 10 8 21 38 9K 8 4 40 44 0L 8 4 29 42 9M 6 3 44 47 0N 6 5 33 47 9O 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 18Max 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 4/320 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 1010 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 2025 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 4/320 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 1010 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 2025 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 7/1044 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 88 8 8 8

6 6 66 6 6 6 6 6 6 6 6

18 18 18 18 22 22 22 30 21 15 15 13 13 1325 25 25 25 25 25 25 25 25 25 25 25 25 25

H

60

Framework Analysis Conclusions Recommendations

Weather DataDecember Mean = 32.56o FJanuary Mean = 32.61 o FFebruary Mean = 33.88 o F

December Standard Deviation = 10.136January Standard Deviation = 5.076February Standard Deviation = 5.374

December Z-value = 0.043778January Z-value = 0.077565February Z-value = -0.16281

H

61

Framework Analysis Conclusions Recommendations

Indirect Costs

(x)*(0.09) = $450,000$5,000,000 = xCosts = $5,000,000 - $450,000 = $4,550,000Project 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 = $614,250Weekly indirect cost = $614,250/53 = $11,589.63

H