The new Green Building Code impacts the design and construction of building systems,which are vital for energy consumption estimation,especially since electricity prices are of great interest to today’s consumers.Thr...The new Green Building Code impacts the design and construction of building systems,which are vital for energy consumption estimation,especially since electricity prices are of great interest to today’s consumers.Through the integration of energy consumption and utility bills,this paper presents the results of the economic impacts of installing various energy efficient systems required by the Green Building Code.Energy consumption prediction models are developed using multiple regression statistical methods based on electricity data collected from 110 single-family houses located in Los Angeles,California,USA.These prediction models have found a significant difference in electricity consumption of a single-family house prior to the introduction of the code and after its introduction.In addition,life cycle cost analysis on two of the featured systems,photovoltaic system and hybrid water heater,discovered that consumers can pay off their up-front investments in state-of-the-art energy efficient systems and appliances and earn a profit within the stated life cycle time period.The findings provide useful guidelines for making initial monetary decisions in the residential building industry。展开更多
Green planning is critically important during the design phases of construction projects but continually gets less attention during construction.Project owners and planners need to understand how communication influen...Green planning is critically important during the design phases of construction projects but continually gets less attention during construction.Project owners and planners need to understand how communication influences green implementation.To address a gap in the extant research,this paper presents the evaluation results on how sustainability awareness of field supervision personnel impacts the successful completion of school projects by proving that communicating sustainability goals with them is vital for decision-making during the construction stage of the project.This paper uses data collected from 162 new school construction projects to compare sustainability design goals with their successful incorporation into completed projects.Seventy-one project managers and inspectors were surveyed to assess their awareness of key high-performance sustainability requirements that were built into the designs.The responses from these two groups were compared to examine the positive or negative impacts.The analysis results show that early and continuous communication of sustainability design goals with field supervision personnel has a significant impact on whether those goals are realized when the project is turned over to the owner for occupancy.Successful implementation of sustainability goals not only provides economic benefits from fully exploiting life-cycle costs,but also holds the promise of providing a healthier working environment.展开更多
文摘The new Green Building Code impacts the design and construction of building systems,which are vital for energy consumption estimation,especially since electricity prices are of great interest to today’s consumers.Through the integration of energy consumption and utility bills,this paper presents the results of the economic impacts of installing various energy efficient systems required by the Green Building Code.Energy consumption prediction models are developed using multiple regression statistical methods based on electricity data collected from 110 single-family houses located in Los Angeles,California,USA.These prediction models have found a significant difference in electricity consumption of a single-family house prior to the introduction of the code and after its introduction.In addition,life cycle cost analysis on two of the featured systems,photovoltaic system and hybrid water heater,discovered that consumers can pay off their up-front investments in state-of-the-art energy efficient systems and appliances and earn a profit within the stated life cycle time period.The findings provide useful guidelines for making initial monetary decisions in the residential building industry。
文摘Green planning is critically important during the design phases of construction projects but continually gets less attention during construction.Project owners and planners need to understand how communication influences green implementation.To address a gap in the extant research,this paper presents the evaluation results on how sustainability awareness of field supervision personnel impacts the successful completion of school projects by proving that communicating sustainability goals with them is vital for decision-making during the construction stage of the project.This paper uses data collected from 162 new school construction projects to compare sustainability design goals with their successful incorporation into completed projects.Seventy-one project managers and inspectors were surveyed to assess their awareness of key high-performance sustainability requirements that were built into the designs.The responses from these two groups were compared to examine the positive or negative impacts.The analysis results show that early and continuous communication of sustainability design goals with field supervision personnel has a significant impact on whether those goals are realized when the project is turned over to the owner for occupancy.Successful implementation of sustainability goals not only provides economic benefits from fully exploiting life-cycle costs,but also holds the promise of providing a healthier working environment.
