Evaluating Construction Methods for an Electrical Transition

January 6, 2018 | Author: Anonymous | Category: Engineering & Technology, Civil Engineering
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Evaluating Construction Methods for an Electrical Transition Compound Christopher O’Connor Andrew Canniff

Abstract 



Evaluating Construction Methods Design Evaluation Criteria      

 

Cost Estimates Construction Schedules Environmental Impact Durability & Lifespan Required Maintenance Availability of Labor & Materials

Recommendation Alternative Option

SK-1: Ground Floor Plan and Roof Plan

SK-2: Elevation

SK-3: Site Plan

Summary of Options  Cast

in Place Concrete  Concrete Masonry Unit (CMU)  Insulated Concrete Forms (ICF)  Precast Concrete  Structural Steel

Cast in Place Concrete  Formwork  Reinforcing

steel

(Rebar)  Mix-designed concrete  Pouring Stages  Scaffolding and Bracing  Weatherproofing

Concrete Masonry Unit (CMU)  CMU

Block  Horizontal Bracing  Vertical Reinforcing Steel (Rebar)  Grouting  Scaffolding and Bracing  Weatherproofing

Insulated Concrete Forms (ICF) 

ICF Block 



  

 

Polystyrene Foam Insulation

Acts as permanent formwork Mix-Designed Concrete Pouring Stages Vertical and Horizontal Reinforcing Steel (Rebar) Scaffolding and Bracing Weatherproofing

Precast Concrete  Offsite

Fabrication of Reinforced Concrete Panels  Installation of Panels  Bracing  Weatherproofing

Structural Steel  Offsite

fabrication of beams, columns, and exterior steel panels  Installation of steel elements  Bracing  Weatherproofing

Design Evaluation Criteria Final Design Evaluation Criteria for Transition Compound Project 1:Lowest 5:Highest Cast in Place Concrete Pre-Cast Concrete Structural Steel Insulated Concrete Form Concrete Masonry Unit Criteria Range Weight Factor Cost 1-5 2 Schedule 1-5 2 Environmental Impact 1-5 1 Durability and Lifespan 1-5 1 Required Maintenance 1-5 1 Availability of Labor 1-5 1 Availability of Supplies 1-5 1 Total Score Ranking 1: Best 5: Worst

Cast in Place Concrete  Cost:

$990,457.10  Construction Duration: 24.5 weeks Criteria Cost Schedule Environmental Impact Durability and Lifespan Required Maintenance Availability of Labor Availability of Supplies Total Score Ranking

1:Lowest 5:Highest Cast in Place Concrete Range Weight Factor 1-5 2 4 1-5 2 4 1-5 1 2 1-5 1 3 1-5 1 4 1-5 1 5 1-5 1 5 27 1-5 5

CMU  Cost:

$895,957.10  Construction Duration: 31 weeks Criteria Cost Schedule Environmental Impact Durability and Lifespan Required Maintenance Availability of Labor Availability of Supplies Total Score Ranking

1:Lowest 5:Highest Concrete Masonry Unit (CMU) Range Weight Factor 1-5 2 10 1-5 2 2 1-5 1 1 1-5 1 4 1-5 1 4 1-5 1 5 1-5 1 5 31 1-5 3

ICF  Cost:

$898,601.70  Construction Duration: 23.5 Weeks Criteria Cost Schedule Environmental Impact Durability and Lifespan Required Maintenance Availability of Labor Availability of Supplies Total Score Ranking

1:Lowest 5:Highest Insulated Concrete Form (ICF) Range Weight Factor 1-5 2 8 1-5 2 6 1-5 1 4 1-5 1 4 1-5 1 5 1-5 1 4 1-5 1 5 36 1-5 2

Precast Concrete  Cost:

$1,147,957.10  Construction Duration: 22 Weeks 1:Lowest 5:Highest Range Weight Factor 1-5 2 1-5 2 1-5 1 1-5 1 1-5 1 1-5 1 1-5 1

Criteria Cost Schedule Environmental Impact Durability and Lifespan Required Maintenance Availability of Labor Availability of Supplies Total Score Ranking 1-5

Precast Concrete 2 8 3 3 4 4 5 29 4

Structural Steel  Cost:

$929,674.85  Construction Duration: 20 Weeks 1:Lowest 5:Highest Range Weight Factor 1-5 2 1-5 2 1-5 1 1-5 1 1-5 1 1-5 1 1-5 1

Criteria Cost Schedule Environmental Impact Durability and Lifespan Required Maintenance Availability of Labor Availability of Supplies Total Score Ranking 1-5

Structural Steel 6 10 5 5 3 5 5 39 1

Final Design Evaluation Criteria Final Design Evaluation Criteria for Transition Compound Project

Criteria Cost Schedule Environmental Impact Durability and Lifespan Required Maintenance Availability of Labor Availability of Supplies Total Score Ranking

1:Lowest 5:Highest Cast in Place Concrete Range Weight Factor 1-5 2 4 1-5 2 4 1-5 1 2 1-5 1 3 1-5 1 4 1-5 1 5 1-5 1 5 27 1: Best 5: Worst 5

Pre-Cast Concrete

Structural Steel

2 8 3 3 4 4 5 29 4

6 10 5 5 3 5 5 39 1

Insulated Concrete Form Concrete Masonry Unit 8 6 4 4 5 4 5 36 2

10 2 1 4 4 5 5 31 3

Comparison of Durations & Costs Comparison of Estimated Construction Costs and Durations Construction Method Structural Steel Insulated Concrete Form (ICF) Concrete Masonry Unit (CMU) Pre-Cast Concrete Cast-in-Place Concrete

Construction Duration 20 Weeks 23.5 Weeks 31 Weeks 22 Weeks 24.5 Weeks

$ $ $ $ $

Estimated Cost 929,674.85 898,601.70 895,957.10 1,147,957.10 990,457.10

Overall Ranking 1 2 3 4 5

Recommendations  Structural  ICF

Steel

Acknowledgements  DaBoys

would like to sincerely thank all members of the Dartmouth Stantec Office for not only all of your assistance throughout this project but also making both of us feel right at home.

Questions?

Picture Reference  

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http://www.baruzzini.com/images/large/image-12.jpg http://knoji.com/images/user/cmu-1.JPG http://heatherwestpr.com/blog/wpcontent/uploads/2009/08/tufut.jpg?w=150 http://www.idevelop.ie/ibuild/images/ICF.jpg http://media.treehugger.com/assets/images/2011/10/icfsketch.jpg http://www.actonprecast.com/admin/ktmlpro/images/uploads/C atello%20Pumphouse.jpg?0.7051663490068698 http://www.designindustriesinc.com/Precast_Concrete_Wall_Install _1.JPG http://3.imimg.com/data3/JJ/OG/MY-4119982/structural-steelframe-commercial-building-250x250.jpg http://ciabuildings.com/wordpress/wpcontent/uploads/2011/02/PICT01861-550x412.jpg

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