Evaluating Construction Methods for an Electrical Transition
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Transcript Evaluating Construction Methods for an Electrical Transition
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
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