Pramen P. Shrestha
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View article: Budget and Schedule-Related Critical Success Factors for Design-Build Water and Wastewater Projects: Principal Component Analysis
Budget and Schedule-Related Critical Success Factors for Design-Build Water and Wastewater Projects: Principal Component Analysis Open
The United States confronts significant challenges within the water and wastewater sectors. According to the American Water Works Association (AWWA), a capital investment of $1.3 trillion is necessary for the repair and replacement of wate…
View article: Evaluating Life-Cycle Unit Costs of Traditional Cement Concrete and New Polymer Concrete Manholes in Wastewater Systems
Evaluating Life-Cycle Unit Costs of Traditional Cement Concrete and New Polymer Concrete Manholes in Wastewater Systems Open
Wastewater manholes are crucial infrastructure components in sewage systems. They provide necessary access points for inspection and maintenance. However, limited studies were conducted on the life-cycle cost analysis of manholes. The prim…
View article: Project Performance Comparison of Public–Private Partnership (P3) Highway Projects against Design Build (DB) and Design Bid Build (DBB) Highway Projects
Project Performance Comparison of Public–Private Partnership (P3) Highway Projects against Design Build (DB) and Design Bid Build (DBB) Highway Projects Open
Public–private partnerships (P3s) have gained prominence in both developed and developing nations over recent decades. P3 contracts have been used in a broad spectrum of infrastructure sectors in the United States. However, it is important…
View article: Analyzing the Life-Cycle Cost of Manholes: Cement Concrete Versus Polymer Concrete
Analyzing the Life-Cycle Cost of Manholes: Cement Concrete Versus Polymer Concrete Open
In the United States sewer networks, cement concrete (CC) manholes are widely utilized.However, due to their great susceptibility to chemical corrosion, these manholes have shorter lifespan.In comparison to CC manholes, polymer concrete (P…
View article: Legal Issues and Lessons Learned with Project Delivery Systems
Legal Issues and Lessons Learned with Project Delivery Systems Open
View article: Framework Development for Construction Safety Visualization
Framework Development for Construction Safety Visualization Open
Throughout the history of the construction industry, many fatalities and injuries have occurred in construction sites. One of the major causes of accidents is unsafe site conditions; basically, this is due to inadequate supervision. To imp…
View article: Carbon Dioxide Emissions by the Transportation Sector and Its Impact on Health in the Kathmandu Valley, Nepal
Carbon Dioxide Emissions by the Transportation Sector and Its Impact on Health in the Kathmandu Valley, Nepal Open
Air pollution is one of the leading cause of death for underdeveloped as well as developed countries.In 2011, the air pollution was the second leading cause of death in one of the main hospitals of the Kathmandu Valley, Nepal, and it was t…
View article: Factors associated with crash severities in built-up areas along rural highways of Nevada: A case study of 11 towns
Factors associated with crash severities in built-up areas along rural highways of Nevada: A case study of 11 towns Open
In 2014, 32,675 deaths were recorded in vehicle crashes within the United States. Out of these, 51% of the fatalities occurred in rural highways compared to 49% in urban highways. No specific crash data are available for the built-up areas…
View article: Comprehensive framework for speed-zone guidelines
Comprehensive framework for speed-zone guidelines Open
View article: Risks Involved in Using Alternative Project Delivery (APD) Methods in Water and Wastewater Projects
Risks Involved in Using Alternative Project Delivery (APD) Methods in Water and Wastewater Projects Open
There are risks involved in the design and construction of projects, and several studies have been conducted in identifying the risks involved in using traditional delivery method (Design Bid Build) in the design and construction of the pr…
View article: A Contingency Cost Estimation System for Road Maintenance Contracts
A Contingency Cost Estimation System for Road Maintenance Contracts Open
Generally, a contingency cost is provided in a project to cover the change orders (CO) that may be generated in a project during the construction phase due to various reasons, such as unforeseen conditions, design errors, and scope changes…
View article: The Feasibility of a Land Ferry System to Reduce Highway Maintenance Cost and Associated Externalities
The Feasibility of a Land Ferry System to Reduce Highway Maintenance Cost and Associated Externalities Open
This study provides an economic evaluation for a Land Ferry, which is a rail system capable of carrying trucks and all other types of vehicles, passengers, and cargo. The Land Ferry system involves a sliding loading system to roll heavy lo…
View article: Energy Performance of a Solar Home Constructed for the Solar Decathlon Competition 2013
Energy Performance of a Solar Home Constructed for the Solar Decathlon Competition 2013 Open
Reduction of energy consumption in residential homes is a goal of sustainable construction. The U.S. Department of Energy (DOE) started a biennial Solar Decathlon competition in 2002, in which the students from universities around the glob…
View article: Hard-Hat Detection for Construction Safety Visualization
Hard-Hat Detection for Construction Safety Visualization Open
In 2012, 775 fatalities were recorded, and many more were injured at construction sites in the United States. Of these, 415 fatalities (54%) were due to fall, slips, and trips as well as being struck by falling objects. In order to decreas…
View article: A land ferry system to alleviate increasing costs of maintaining the I-80 transportation corridor: An economic assessment
A land ferry system to alleviate increasing costs of maintaining the I-80 transportation corridor: An economic assessment Open
This study conducted an economic evaluation for a Land Ferry, which is a rail system capable of carrying trucks to reduce truck traffic on highways. The Land Ferry system proposed for the I-80 Corridor in northern Nevada involves a loading…