Digital Commons Network^™

Hvac Ductwork Lab Series - New Curriculum, Dean Cavanna

Construction Management

This senior project developed an HVAC Ductwork Lab Series to support Cal Poly Construction Management’s new mechanical coursework during the semester conversion. The main goal is to connect classroom instruction with practical fieldwork. The project addresses the need for applied learning materials that help students understand how duct design, fabrication, installation, and support affect system performance. The curriculum was created through a sequence of planning, model development, video-supported instruction, student handout design, and instructor guide preparation. The final lab series includes three activities: SimScale airflow modeling of a straight duct, direct 90-degree elbow, and curved 90-degree elbow; fabrication and connection …

Developing A Preparation Manual For The Asc Region 6 & 7 Reno Competition, Addyson Mae Demasters

Construction Management

The Associated Schools of Construction (ASC) Region 6 & 7 Competition is one of the most prestigious student construction management competitions in the United States. Success in the competition requires technical knowledge, effective communication, time management, and strategic preparation. The purpose of this senior project was to develop a comprehensive Competition Preparation Manual for future Cal Poly Construction Management students competing in the ASC Reno Competition. The manual was created through the collection and analysis of information from previous competitors, team captains, competition retrospectives, and the author's personal experience participating in ASC Reno competitions. Surveys were sent to students in …

The Efficiency Of Residential Modular Construction, Alina Viola Dziuk

Construction Management

This study examines the efficiency of permanent modular construction in the residential multifamily sector framed with steel in the western United States, with a particular focus on labor productivity, materials, project scheduling, and cost performance in California. Research was conducted through five interviews with production managers from U.S.-based modular manufacturing companies. Results indicated that modular construction improves labor, material, time, and cost efficiency. Overall, the qualitative data gathered from interviews and the literature review suggest that modular construction offers a practical solution to California’s housing shortages, declining labor pool, and rising construction costs while improving overall project efficiency and productivity. …

Ada Concrete Walkway Improvements At The Gala Pride And Diversity Center, Jonathan A. Mintz, Manuel Gonzalez

Construction Management

This paper presents the planning, design, and construction of an accessible concrete walkway completed for the GALA Pride and Diversity Center in San Luis Obispo, California. The project addressed an accessibility gap between the center's front entrance and rear parking lot through a combination of site preparation, concrete work, retaining wall construction, and supporting improvements. Construction was managed around the active events schedule while staying within the constraints of a nonprofit budget. Challenges encountered during the project included scope changes, material selection decisions, and client coordination. The completed walkway provides a safe and stable path for all visitors and directly …

Designing And Building Benches For Slo City Farm, Julian Cervantes

Construction Management

The purpose of this project was to design and create multiple small benches for the City Farm SLO during the term of Spring 2026 quarter. This project was specifically intended to be an affordable, pragmatic, and durable project that would last a long time in order to serve the people that visit a comfortable place to sit and come together. In order to achieve the project delivery for these benches the pre-construction of the project started by visiting the city farm to inspect the existing benches and taking the measurements of them in order to shorten them for the use …

Understanding Cmu Construction Sequencing Through Scheduling Application, Tristan J. Roberson

Construction Management

Concrete Masonry Unit (CMU) wall systems are used very often in all types of construction including commercial and residential. With this said, the scheduling logic behind their installation can often be unclear for students and people new to the industry. The purpose of this project is to analyze CMU construction sequencing and demonstrate how it integrates within an overall project schedule. This study was conducted using interviews with industry professionals, review of CMU manufacturing processes, and development of a simplified Critical Path Method schedule in Microsoft Project. Information from CMU professionals regarding manufacturing processes and lead times were incorporated based …

Small-Scale Rainwater Harvesting: A Sustainable Practice For Single-Family Homes In Southern California, Azzah R. Bensrhir

Construction Management

Southern California is prone to drought and struggles with low water supplies. Los Angeles and San Diego County have enacted outdoor water regulations that aim to reduce the overall reliance on municipal and groundwater supplies. Rainwater harvesting (RWH) is a feasible way for single-family homeowners in Southern California to contribute to water conservation efforts. To determine the feasibility of installing, maintaining, and understanding overall challenges and costs of small-scale rainwater harvesting systems, four interviews were conducted with residents of Los Angeles and San Diego County who have owned and operated a RWH system for more than five years. The results …

Thematic Analysis Of Knowledge, Skills, And Abilities Required For Hydrogen Fuel Cell Transit Workforce, Steven Dandurand

Construction Management

The adoption and implementation of hydrogen fuel cell electric buses (FCEBs) in public transit creates opportunities for reducing emissions and a greener future, but causes challenges related to workforce readiness and training. This research uses thematic analysis to analyze interviews with professionals to evaluate the current knowledge and skill levels of transit bus drivers, maintenance personnel, and infrastructure teams, with the goal of identifying knowledge gaps that may cause problems with the implementation of hydrogen buses on a larger scale. Data was collected through a review of transit agency resources, and interviews with drivers, technicians and agencies. The findings indicate …

Robotic Layout Systems In Construction: Evaluating Accuracy And Efficiency In Blueprint Marking, Saxon Moseman

Construction Management

Robotic layout systems represent a significant advancement in construction technology, automating the transfer of Building Information Modeling (BIM) coordinates onto construction surfaces to improve accuracy and efficiency. This study evaluates the implementation of robotic layout systems, specifically the Dusty Robotics FieldPrinter, and their effectiveness in improving accuracy and efficiency during construction blueprint marking. Through a review of existing literature, analysis of the Skanska and Sutter Health healthcare case study, and qualitative interviews with three construction professionals, the research examines impacts on productivity, labor requirements, trade coordination, BIM integration, and project quality. Findings consistently demonstrate that robotic layout systems reduce layout …

Beyond Contract Law: Expanding Legal Education In Construction Management, Grace M. Hetland

Construction Management

The California Polytechnic State University Construction Management (CM) program is designed to prepare students for the managerial responsibilities of the construction industry. However, construction projects involve a broad range of legal considerations that extend beyond traditional contract administration. While the CM curriculum currently includes a course focused on construction contract law, there is limited exposure to other legal disciplines that frequently affect construction professionals throughout the project lifecycle. This research explores the potential value of expanding construction law education in the CM curriculum by implementing an additional topics course as an elective for students. To determine which legal subjects would …

Skip The Grid: Powering The Navajo And Hopi Reservations, Casey A. Nuti

Construction Management

Skip the Grid is an interdisciplinary service project targeted at providing essential off-grid power to families of the Navajo and surrounding sovereign nations. This year a group of twenty-three students and four faculty from California Polytechnic State University (Cal Poly) helped plan and execute the insulation of solar power and other essential amenities on the Navajo and Hopi reservations. Many families that live on the reservation are below the U.S. poverty  line and obtaining grid power can be extremely difficult given the rigorous permitting requirements as well as the remote location of many of their homes. This service project is …

Solar Charging Station For Construction Gang Boxes​, Scott J. Burfield

Construction Management

This senior project explores the feasibility of a solar-powered charging system that attaches to the top of a construction gang box or knack box. The purpose of the project is to provide a cleaner and more convenient way to charge tool batteries and small devices on construction sites. Adding on, it will reduce reliance on generators, extension cords, and temporary power setups by being supplemental support. Research included interviews with construction electricians, product selection, cost estimating, energy calculations, and an evaluation of constructability and project risks. The proposed design uses a 100-watt solar panel, a portable power station, and a …

Construction Of Lightly Reinforced Concrete Walls And Foundations For Fiber Reinforced Polymer Testing, Aidan D. Seed, Coulter Langmaid, Ryan R. Bousfield, Bennett B. Steiger

Construction Management

This paper details the construction of two cast-in-place concrete walls with attached footings, built to continue ongoing research into Fiber Reinforced Polymer (FRP) retrofitting conducted by California Polytechnic State University, San Luis Obispo, Architectural Engineering (ARCE) department. The project was located inside the College of Architecture and Environmental Design (CAED) High Bay testing facility and is part of a multi-year effort to evaluate FRP wrap as a seismic retrofitting option for lightly reinforced concrete walls dating to the pre-1980s. Formwork from the previous year's senior project was reused for this effort, and a two-phase pour was utilized and executed by …

The Sleep Effects Of Construction Management Students At Cal Poly Slo, Riley James Coalwell

Construction Management

Sleep deprivation and poor sleep quality have become increasingly common among college students, particularly in demanding studies such as construction management. This study examined sleep patterns, sleep duration, and perceptions related to sleep deprivation among construction management students at California Polytechnic State University, San Luis Obispo. The study replicated prior research conducted at Mississippi State University while focusing exclusively on one academic program and institution. A quantitative research method was used through an anonymous Microsoft Forms survey distributed to construction management students over a ten-week period. The survey collected demographic information, sleep behaviors, academic workload, and perceptions regarding sleep within …

Logistics And Workforce Management In Remote Reforestation Projects: A Case Study Of Ponterra In Panama, Omar Mejia-Meraz

Construction Management

With global efforts in reducing carbon emissions, large-scale reforestation projects are becoming increasingly important. While the environmental benefits of reforestation are well known, the operational and logistical challenges of reforestation projects are often overlooked. This case study examines the reforestation efforts conducted by Ponterra in the Azuero Peninsula region of Panama and analyzes how construction management principles support the planning, execution, and long-term success of restoration projects. Through a qualitative analysis consisting of an interview with Ponterra’s Field Operations Lead and supporting literature, this study evaluates the planning strategies, logistical challenges, workforce coordination, and client engagement involved in large-scale reforestation …

Cost–Benefit Analysis Of Undergrounding Power Lines For Wildfire Mitigation: Construction Management Implications Compared To Conventional Overhead Systems, Max T. Clement

Construction Management

Wildfires in California have increasingly been linked to failures in electrical infrastructure, particularly overhead power transmission, and distribution systems. As wildfire frequency and severity continue to escalate, utility providers, regulatory agencies, and construction professionals are evaluating undergrounding power lines as a long-term mitigation strategy. This research examines the construction management implications of undergrounding power lines compared to conventional overhead systems, focusing on cost, scheduling, constructability, risk allocation, and lifecycle performance. A mixed-methods approach is utilized, incorporating quantitative cost and lifecycle data alongside qualitative analysis of industry reports and case studies. The results indicate that although underground systems require significantly higher …

Analyzing Productivity In California’S Residential Construction Industry, Logan K. Booher

Construction Management

Following technological advancement over past years in California's residential construction industry, productivity levels have fallen short. This has revealed a pressing issue and raises the question of whether advancements in technology correlate with productivity improvements. This study investigates whether the lack of growth is a significant problem, specifically in California's residential construction industry, and what underlying factors are limiting improvements. Using an action-based research approach, the data for this study were collected through surveys that consisted of multiple-choice questions and checklist rankings, given to construction professionals across various roles and project types in California. The objective is to examine how …

Student Perceptions, Advantages, And Challenges Of Artificial Intelligence Tool Use In Higher Education, Olivia Lynch

Construction Management

Increasingly AI tools are being integrated into higher education and are starting to influence students’ access to information, the completion of assignments, and the use of new material. Generative AI-based tools, writing assistants, and automated research tools allow students to get explanations easily, sort out materials, or explore new areas of knowledge. While these technological advancements can improve productivity and make learning more efficient, they also raise questions of accuracy and academic integrity, as well as concerns about excessive reliance. This study focuses on how Construction Management (CM) students perceive AI tools in their academic work. An anonymous survey was …

Enhancing Urban Refueling Efficiency: Strategies For Sustainable Mobility And Economic Impact, Navid Hashemi Taba, Iftekhar Ahmad, Ahdieh Sadat Khatavakhotan

Research outputs 2022 to 2026

In response to increasing concerns about operational inefficiencies and environmental impacts at petrol stations, this operational research investigates strategies to enhance refueling efficiency across 103 stations in Perth. A pilot study employing observational methods and time-motion analysis established ideal benchmarks for core refueling activities. Empirical analysis of driver behavior during high-demand periods—often driven by fuel price discounts—and regular off-peak hours revealed significant performance gaps, highlighting substantial opportunities for efficiency improvements. Eliminating non-essential tasks could yield time savings of up to 67% during peak periods and 45% during off-peak periods. Economic analysis demonstrated mutual benefits when refueling processes align with these …

Kytc Crash Modification Factor Recommendation List Online Tool, William Staats, Reginald Souleyrette, Teng Alex Wang, Mohammad Zana Majidi

Kentucky Transportation Center Research Report

Transportation practitioners use crash modification factors/functions (CMFs) to calculate the number of crashes expected once a countermeasure has been implemented. When evaluating design alternatives, CMFs can be used in conjunction with safety performance functions (SPFs) to derive crash predictions. The Federal Highway Administration (FHWA) maintains the CMF Clearinghouse as a repository for CMFs. Contributions are submitted by researchers across the U.S., Canada, and throughout the world. Typically, individual countermeasures are associated with multiple CMFs. Some CMFs only apply to a specific facility or crash types. CMF quality varies, and some only apply to a specific facility and/or crash types, regions, …

Mechanics And Physical Attributes Of Nature-Based Alterations: Rock Reinforcement And Urban Heat Island Assessment, Mary Chikondi Ngoma

Dissertations

Ground improvement is critical to geotechnical and geo-engineering systems, where modification of the properties of geomaterials (rocks and soils) is required to maintain stability and prevent failure of infrastructure installed within and around them. This need has become increasingly important with rapid urbanization and population growth, which intensify demands on surface and subsurface systems and further challenge the performance of supporting geomaterials. As a result, there is growing interest in nature-based solutions, particularly biologically mediated processes such as biocementation, which can enhance the physical, hydraulic, and mechanical properties of geomaterials while offering environmentally sustainable alternatives to conventional ground improvement techniques. …

Significant Crash Characteristics Associated With E-Scooter And E-Bike Crashes, Aimee Jefferson

Dissertations

Micromobility devices—namely e-scooters and e-bikes—have rapidly gained popularity in the United Sates, rising from 35 million annual shared rides in 2017 to over 133 million in 2023 (NACTO 2024). But also increasing is the number of injuries associated with these devices; however, most research emphasizes injury and demographic patterns rather than crash characteristics that would inform prevention strategies. Most existing crash research also relies on small sample sizes, lacks nuance distinguishing between involved parties (motorists, pedestrians, single device), and fails to distinguish between bicycle and micromobility crash patterns despite micromobility devices often being instructed to use conventional bicycle facilities. These …

Construction Project Administration: Course Portfolio, Andre Messner

UNL Faculty Course Portfolios

This portfolio presents a structured framework for the design and implementation of a construction project administration course within a Construction Management program. Emphasis is placed on aligning student learning objectives, instructional strategies, and assessment methods with current industry expectations and professional standards. The course is intentionally designed to bridge the gap between theoretical knowledge and practical application by incorporating real-world scenarios, collaborative learning environments, and experiential activities that mirror industry practices.

In addition to outlining the course structure, this paper examines the pedagogical foundations that support student-centered learning, including constructivism, scaffolding, and project-based learning. These approaches are used to foster …

Field Monitoring And Geometric Representation Of A Uhpc-Repaired Bridge Structure, Robert Lawler

Honors Scholar Theses

Ultra-High Performance Concrete (UHPC) has shown promise in bridge rehabilitation broadly, but its application to steel gusset plate repair represents a novel use case with limited prior research. Therefore, when the Commodore Isaac Hull Bridge in Derby, Connecticut, was issued an emergency declaration due to gusset plate section loss, a UHPC repair was implemented. This project represented the first known field implementation of this type of UHPC gusset plate repair, marking a significant advancement in the rehabilitation of deteriorated steel bridge components. To support long-term performance assessment and ensure the success of the repair, field monitoring efforts were also incorporated …

Build Digital Annual Survey 2025 And Trends & Comparisons 2022 - 2025, Clare Eriksson, Robert Moore, Bilal Succar

Reports

The Build Digital Annual Survey 2025 provides an overview of digital transformation across Ireland’s construction and built environment sector, drawing on responses from 205 participants across industry, government, and academia. The findings show continued sector engagement with digital transformation, driven by government mandates, project benefits, and partner expectations. Common digital deliverables, such as model-based design, documentation, coordination, and clash detection, are now widely used, while more advanced uses linked to operations, sustainability, interoperability, and AI remain less mature. The report also highlights ongoing challenges, including skills gaps, uneven training provision, limited OpenBIM adoption, and inconsistent implementation of ISO 19650 and …

An Analytical Framework For Quantifying Urban And Community Resilience To Natural Hazards From Cell-Phone Gps-Location And Traffic-Flow Data, Georgios Chatzikyriakidis

Civil and Environmental Engineering Theses and Dissertations

Urban areas are increasingly exposed to natural hazards while accommodating a growing share of the global population, yet a consistent science-based framework for quantifying urban and community resilience remains lacking. This dissertation develops a physics-based analytical framework grounded in statistical mechanics and the quantitative theory of Brownian motion. A city is conceptualized as a complex medium in which citizens move analogously to Brownian particles within a viscoelastic environment, influenced by socioeconomic interactions and infrastructure functionality.

A central premise is that urban resilience, interpreted as engineering resilience (an outcome), can be quantified through a single metric: the mean-square displacement MSD=⟨r²(t)⟩, of …

Advanced Finite Element Modeling And Design Enhancement Of Slender Square Concrete-Filled Double-Skin Steel Tubular Columns, Mahmoud T. Nawar, Ayman El-Zohairy, Mohamed Emara, Raghda I. Halima

Faculty Publications

Limited research exists on the behavior of square CFDST slender columns, especially under the consideration of the relation global buckling and confinement effect. This study evaluates square concrete-filled double-skin steel tubular (CFDST) columns using nonlinear finite element analysis (FEA) to simulate structural behavior under axial and eccentric loads until failure. Parametric analyses of extensive specimens of square CFDST pinended columns evaluate various parameters, providing design insights for engineering applications. The study was conducted over a wide range of slenderness ratios. Four concrete varieties with compressive strengths were tested: normal concrete (NC), engineered cementitious composites (ECCs), high-strength concrete (HSC), and ultra-high-strength …

Post-Fire Flood Modeling In Ruidoso, New Mexico: Improving Burn Scar Runoff Predictions, Pramesh Bhaila

Civil Engineering ETDs

Recent large wildfires in New Mexico have demonstrated severe hydrological driven by vegetation loss and the development of hydrophobic soil surfaces. This thesis evaluates the performance of three infiltration models—Curve Number (CN), Linear Constant (LC), and Green–Ampt (GA)— for the watershed impacted by the 2024 South Fork and Salt Fires near Ruidoso, New Mexico. All three models performed comparably during post‑fire simulations, with strong performance in 2024 and notable degradation in 2025, particularly for the CN. Post-fire analyses indicate substantial reductions in infiltration capacity, with CN increasing by 18–24%, LC initial deficit decreasing by 65–77%, effective hydraulic conductivity reduced by …

Assessing Uranyl-Specific Dnazymes And Dna-Aptamers For Uranium Binding In Environmentally Relevant Waters, Ashley R. Apodaca-Sparks

Civil Engineering ETDs

The legacy of uranium mining affects many communities in the western United States, resulting in elevated levels of uranium in surface water. The ability to quickly and accurately detect uranium on site in affected communities can lead to real-time water quality analysis that informs risk assessment and remediation efforts. The objective of this work is to advance the application of biosensing technologies for the measurement of uranium in waters affected by mining legacy. The third chapter of this thesis compares ANDalyze by AlpHa Instruments, a commercially available uranium biosensor, and inductively coupled plasma mass spectrometry (an EPA-verified method for uranium …

Investigating Workforce Development Gaps In Tribal Transportation Agencies, Benson Long Jr

Civil Engineering ETDs

Tribal transportation programs face challenges in recruiting and retaining qualified staff, prompting reliance on external consultants for key responsibilities. This study explores how workforce constraints and organizational structures influence tribal outsourcing decisions. Survey data from 57 tribes informed a logistic regression model examining how geographic isolation, population size, training access, and the presence of a transportation department affect preferences for internal work, actual task completion, and instances where tribes intended to perform tasks in-house but outsourced instead. Findings indicate that outsourcing is driven by limited internal capacity, including staffing shortages, lack of certified personnel, and training opportunities. Geography also plays …