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  • 1
    Online Resource
    Online Resource
    CYCLONE MODELS FOR A SUBMERGED BREAKWATER
    ISEC Press ; 2014
    In:  Proceedings of International Structural Engineering and Construction Vol. 1, No. 1 ( 2014-11)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 1, No. 1 ( 2014-11)
    Abstract: Kahului Harbor, located on the north shore of Maui, Hawaii, is approached by waves from the northwest in winter and northeast in summer. Wave energy entering the harbor during large swell events has repeatedly caused damage to existing protective structures and operations. As a result, a 706-meter long breakwater on the west was constructed to provide additional tranquility inside the harbor. A breakwater on the east with an 843-meter length was constructed to protect against waves approaching from north and northeast. However, strong wave energy still damages the harbor through the 12-meter deep and 183-meter wide entrance channel. Consequently, a submerged breakwater could be constructed in order to mitigate the wave energy that continues to damage the pier. The objective of making these models is to determine the most appropriate construction approach for the project based on construction duration and related variable costs. The study also aims to see if the project can be completed within a 5-month window during calm water. Two construction approaches were proposed—(1) using one construction crew per geotextile grid, and (2) using multiple crews per geotextile grid. Sensitivity analyses were performed on both proposed construction approaches by adjusting the number of laborers hired. This report provides the proposed geotextile submerged breakwater details based on construction plans viewed through the simulation models using EZStrobe.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/ISEC.res.2014.102
    Language: English
    Publisher: ISEC Press
    Publication Date: 2014
    detail.hit.zdb_id: 3073437-X
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  • 2
    Online Resource
    Online Resource
    CASE STUDIES: DISPUTE RESOLUTIONS SELECTION IN CONSTRUCTION
    ISEC Press ; 2018
    In:  Proceedings of International Structural Engineering and Construction Vol. 5, No. 2 ( 2018-12)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 5, No. 2 ( 2018-12)
    Abstract: Disputes simply cannot be prevented all the time in the construction industry. As such, common dispute resolution systems such as negotiation, mediation, arbitration and litigation are widely used. Compared to litigation, negotiation and mediation have high popularity owing to their low cost and faster duration to dispensation. However, proper selection of dispute resolution techniques becomes very critical in real business practice. In this article, a numerical method using pairwise comparisons and the analytic hierarchy process are used to discover the most appropriate method evaluated against specific selection factors. Eight major selection factors are used, and an importance scale is assigned to weigh each factor, followed by a pairwise comparison. The rationale for selection of factors is explained. Final scores of the effectiveness of each dispute resolution technique are calculated for six cases that are meaningful in the construction industry, thereby providing a practical guideline and system to disputants for selecting a suitable dispute resolution method for their specific case.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/ISEC.res.2018.78
    Language: English
    Publisher: ISEC Press
    Publication Date: 2018
    detail.hit.zdb_id: 3073437-X
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  • 3
    Online Resource
    Online Resource
    FINANCIAL SUSTAINABILITY OF CONSTRUCTION AND DEMOLITION WASTE RECYCLING PLANTS
    ISEC Press ; 2022
    In:  Proceedings of International Structural Engineering and Construction Vol. 9, No. 1 ( 2022-6)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 9, No. 1 ( 2022-6)
    Abstract: The annual construction and demolition (C & D) waste generated in India has been estimated to be 150 million tons. Currently, with only about 16 C & D waste recycling centers in India, with most of them having a capacity less than 500 tons per day, only an estimated 1% waste is recycled, a small proportion of waste is used for filling and levelling, and the rest simply goes to landfills, is left in place, or else dumped by roadsides. It may be noted that though the technology for recycling C & D waste and producing useful products is available, the idea has not really taken off in India. Some entrepreneurs have been forced to abandon their efforts to start recycling plants due to lack of profits and/or absence of policy support and regular customers. This research seeks to formulate a simple model for financial sustainability of C & D waste recycling plants in India and examine it in the context of available data for revenue and expenditure. Data was collected from various reports, research papers, and personal interviews. The study also provides insight into the barriers and possible solutions for improved financial sustainability of such plants and shows that C & D waste recycling can be easily sustainable through simple changes in the overall C & D waste management processes.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/10.14455/ISEC.2022.9(1).SUS-07
    Language: English
    Publisher: ISEC Press
    Publication Date: 2022
    detail.hit.zdb_id: 3073437-X
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  • 4
    Online Resource
    Online Resource
    TROUBLES WITH A WIND FARM PROECT
    ISEC Press ; 2020
    In:  Proceedings of International Structural Engineering and Construction Vol. 7, No. 2 ( 2020-11)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 7, No. 2 ( 2020-11)
    Abstract: The Kahuku Wind Farm of Hawaii has been laden with controversy since its inception in 2011. Although it was one of the two wind farms on Oahu responsible for supplying a combined 14% of the island’s renewable energy in 2018, citizens have been outspoken in their criticism of the facility. Local residents have cited concerns regarding adverse health effects to the surrounding community, as well as deaths of native birds and endangered bats caused by the turbines. The impact on the Hawaiian hoary bat population has been a focal point of numerous complaints, as more bats are being killed than initially predicted. To the dismay of their opponents, eight additional turbines are being erected in Kahuku as part of the Na Pua Makani Wind Energy Project. And, as of November 2019, approximately 200 individuals have been arrested while protesting it. To add to the controversy, wind farm officials are currently facing legal hurdles, as challengers are skeptical on whether the project’s environmental review correctly estimates the number of birds and bats that will fall victim to this new development. The purpose of this study is to analyze and evaluate the issues associated with the Kahuku Wind Farm and Na Pua Makani Wind Energy Project, as well as the position and arguments of stakeholders and litigants.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/ISEC.2020.7(2).LDR-03
    Language: English
    Publisher: ISEC Press
    Publication Date: 2020
    detail.hit.zdb_id: 3073437-X
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  • 5
    Online Resource
    Online Resource
    Leadership Grid between Concern for People and Intuition
    American Society of Civil Engineers (ASCE) ; 2009
    In:  Leadership and Management in Engineering Vol. 9, No. 2 ( 2009-04), p. 71-82
    Details
    In: Leadership and Management in Engineering, American Society of Civil Engineers (ASCE), Vol. 9, No. 2 ( 2009-04), p. 71-82
    Type of Medium: Online Resource
    ISSN: 1532-6748 , 1943-5630
    URL: Article
    DOI: 10.1061/(ASCE)1532-6748(2009)9:2(71)
    Language: English
    Publisher: American Society of Civil Engineers (ASCE)
    Publication Date: 2009
    detail.hit.zdb_id: 2037671-6
    detail.hit.zdb_id: 2041813-9
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  • 6
    Online Resource
    Online Resource
    A LINEAR PROGRAMMING APPLICATION AND SOLUTION FOR MINIMIZING CLASS SCHEDULING CONFLICTS
    ISEC Press ; 2017
    In:  Proceedings of International Structural Engineering and Construction Vol. 4, No. 1 ( 2017-7)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 4, No. 1 ( 2017-7)
    Abstract: College course scheduling plays a pivotal role in a student’s development, academically and professionally. Schools without a standardized class scheduling system can generate many scheduling conflicts – some with the potential to seriously impact the student’s course progression, and thus delay their graduation dates. The optimization model proposed in this article can identify and eliminate those scheduling conflicts through the use of visual modeling and linear programming. Constraints for this model were taken from the individual department’s requirements and prerequisites, and instructor preferences, while allowing for the maximum number of available classes by minimizing and/or eliminating the number of class overlaps. An iterative process of analyzing and improving the schedule between visual modeling and linear programming enables the optimal result to be attained. This modeling system was applied to eight different semester schedules at an ABET-accredited university. The applied methodology yielded results of improved scheduling by an average of 83.46% over the original schedule, with a statistical confidence of 95.14%. By reducing the overall number of possible scheduling conflicts, it provides the students with more options and the ability to succeed. This type of class scheduling technique is not known to exist outside this study. The success rate of this technique far outstrips any success rate by any other documented method.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/ISEC.res.2017.53
    Language: English
    Publisher: ISEC Press
    Publication Date: 2017
    detail.hit.zdb_id: 3073437-X
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  • 7
    Online Resource
    Online Resource
    FINANCIAL SUSTAINABILITY OF CONSTRUCTION AND DEMOLITION WASTE RECYCLING PLANTS
    ISEC Press ; 2022
    In:  Proceedings of International Structural Engineering and Construction Vol. 9, No. 1 ( 2022-7)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 9, No. 1 ( 2022-7)
    Abstract: The annual construction and demolition (C & D) waste generated in India has been estimated to be 150 million tons. Currently, with only about 16 C & D waste recycling centers in India, with most of them having a capacity less than 500 tons per day, only an estimated 1% waste is recycled, a small proportion of waste is used for filling and levelling, and the rest simply goes to landfills, is left in place, or else dumped by roadsides. It may be noted that though the technology for recycling C & D waste and producing useful products is available, the idea has not really taken off in India. Some entrepreneurs have been forced to abandon their efforts to start recycling plants due to lack of profits and/or absence of policy support and regular customers. This research seeks to formulate a simple model for financial sustainability of C & D waste recycling plants in India and examine it in the context of available data for revenue and expenditure. Data was collected from various reports, research papers, and personal interviews. The study also provides insight into the barriers and possible solutions for improved financial sustainability of such plants and shows that C & D waste recycling can be easily sustainable through simple changes in the overall C & D waste management processes.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/ISEC.2022.9(1).SUS-07
    Language: English
    Publisher: ISEC Press
    Publication Date: 2022
    detail.hit.zdb_id: 3073437-X
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  • 8
    Online Resource
    Online Resource
    UNDERGROUND POWER LINES: ANALYSIS OF ENVIRONMENTAL, VISUAL, ECONOMIC, AND SAFETY BENEFITS
    ISEC Press ; 2024
    In:  Proceedings of International Structural Engineering and Construction Vol. 11, No. 2 ( 2024-5)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 11, No. 2 ( 2024-5)
    Abstract: This study investigates the transition from above-ground to underground power lines in Hawaii, focusing on the severe threats posed by downed lines during storms, particularly on roadways where escape routes are critical. The research uses a comprehensive approach to explore environmental, visual, economic, and safety aspects. The study employed a methodology that involved reviewing powerline undergrounding studies in New York City and Florida, chosen for their geographical resemblance to Hawaii. Legal submissions from activist groups and current event articles discussing safety concerns in comparable geographical scenarios were also analyzed. Findings indicate substantial benefits, including minimized environmental impact on landscapes and ecosystems, heightened visual aesthetics, and economic advantages through reduced maintenance costs. Crucially, the shift to underground power lines significantly enhances safety during storms, preventing life-threatening scenarios on vulnerable roadways. This research underscores the urgency and practicality of adopting underground power lines in storm-prone regions, providing a compelling case for policymakers and stakeholders to prioritize this transition for communities’ overall well-being and resilience.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/10.14455/ISEC.2024.11(2).INF-01
    Language: English
    Publisher: ISEC Press
    Publication Date: 2024
    detail.hit.zdb_id: 3073437-X
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  • 9
    Online Resource
    Online Resource
    UNDERGROUND POWER LINES: ANALYSIS OF ENVIRONMENTAL, VISUAL, ECONOMIC, AND SAFETY BENEFITS
    ISEC Press ; 2024
    In:  Proceedings of International Structural Engineering and Construction Vol. 11, No. 2 ( 2024-5)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 11, No. 2 ( 2024-5)
    Abstract: This study investigates the transition from above-ground to underground power lines in Hawaii, focusing on the severe threats posed by downed lines during storms, particularly on roadways where escape routes are critical. The research uses a comprehensive approach to explore environmental, visual, economic, and safety aspects. The study employed a methodology that involved reviewing powerline undergrounding studies in New York City and Florida, chosen for their geographical resemblance to Hawaii. Legal submissions from activist groups and current event articles discussing safety concerns in comparable geographical scenarios were also analyzed. Findings indicate substantial benefits, including minimized environmental impact on landscapes and ecosystems, heightened visual aesthetics, and economic advantages through reduced maintenance costs. Crucially, the shift to underground power lines significantly enhances safety during storms, preventing life-threatening scenarios on vulnerable roadways. This research underscores the urgency and practicality of adopting underground power lines in storm-prone regions, providing a compelling case for policymakers and stakeholders to prioritize this transition for communities’ overall well-being and resilience.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/ISEC.2024.11(2).INF-01
    Language: English
    Publisher: ISEC Press
    Publication Date: 2024
    detail.hit.zdb_id: 3073437-X
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  • 10
    Online Resource
    Online Resource
    SUBMERGED CONCRETE CAISSON BREAKWATER CONSTRUCTION
    ISEC Press ; 2016
    In:  Proceedings of International Structural Engineering and Construction Vol. 3, No. 2 ( 2016-10)
    Details
    In: Proceedings of International Structural Engineering and Construction, ISEC Press, Vol. 3, No. 2 ( 2016-10)
    Abstract: After numerical and physical modeling, and alternate analysis, the proposed solution to mitigate wave energies entering Kahului Harbor, Maui was to construct a submerged concrete caisson breakwater, just outside the harbor that would economically improve the harbor tranquility and be environmentally friendly. One of the major challenges of this project is that construction is to be completed over a five-month period, during the summer months, when there are no swells. This requires as much prefabrication as possible, detailed planning, and precise scheduling. Construction of the individual caisson units is proposed to take place in a dry dock, cast in a single pour to avoid cold joints. On completion, it will be floated and tugged away from the dry dock and placed onto a heavy lift vessel and transported to its installation site at Kahului. Various alternate methods of transportation were studied and discarded. Also proposed is the transplantation and seeding of coral fragments on the caisson units to enhance the durability and increase the longevity of the submerged breakwater. This submerged breakwater caisson project will be the first of its kind for mitigating wave energies entering a harbor. This paper aims to present a viable construction methodology.
    Type of Medium: Online Resource
    ISSN: 2644-108X
    URL: Article
    DOI: 10.14455/ISEC.res.2016.113
    Language: English
    Publisher: ISEC Press
    Publication Date: 2016
    detail.hit.zdb_id: 3073437-X
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