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Howard H. Bashford
Arizona State University
Construction managementEngineeringProject managementSystems engineeringOperations management
28Publications
8H-index
217Citations
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Publications 27
Newest
#1Sivakumar Palaniappan (Indian Institute of Technology Madras)H-Index: 6
#2Howard H. Bashford (ASU: Arizona State University)H-Index: 8
Last. Steven HayH-Index: 1
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This paper quantifies carbon emissions due to on-site equipment use in the post-tensioned slab foundation construction process of production homes in Phoenix Arizona. The construction activities performed during post-tensioned slab foundation construction, trades/sub-trades/vendors and the list of construction equipment used for every activity are identified. Data collection involved field visits to several subdivisions, interviews with trades, quantification of use time and the fuel use rate fo...
2 CitationsSource
Last. Jacqueline D. ThompsonH-Index: 2
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The issue of sustainability often focuses on reducing energy or water requirements of completed facilities, or the use of recycled materials in construction. However, the construction process itself is energy intensive, and opportunities exist to reduce those energy requirements. This paper investigates the use of compressed natural gas (CNG) fuel in concrete mixer trucks, and evaluates the circumstances under which this alternative fuel approach would be desirable. CNG is an alternative fuel th...
#2Howard H. BashfordH-Index: 8
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Highway construction contractors are starting to adopt measures to address sustainability issues. These measures address environmental aspects but they also result in economic benefits while reducing the social costs that result from highway construction. Conventional highway construction methods offer many opportunities that can be modified to make the construction process more sustainable. This case study documented sustainability strategies employed in the construction of Arizona Department o...
#1Anil Sawhney (SDSU: San Diego State University)H-Index: 17
#2Kenneth D. Walsh (SDSU: San Diego State University)H-Index: 22
Last. Sivakumar Palaniappan (SDSU: San Diego State University)H-Index: 6
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This paper examines the production implications of quality control inspections conducted on the buffer between processes in a construction project by modeling the linkage between these processes. Inspection of partially completed work at the end of one activity but before the beginning of work by the next activity is fairly common. Work that is deemed to be of sufficient quality is then made available for the next activity. Work that is deemed insufficient requires rework, typically by the trade...
14 CitationsSource
Dec 9, 2007 in WSC (Winter Simulation Conference)
#1Sivakumar Palaniappan (ASU: Arizona State University)H-Index: 6
#2Anil Sawhney (ASU: Arizona State University)H-Index: 17
Last. Kenneth D. Walsh (SDSU: San Diego State University)H-Index: 22
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Workflow analysis is an important component in the simulation of construction operations. It involves creating a specific number of work requests for a crew every time period, computing outputs such as work arrival rate for a downstream crew and plotting work in process (WIP). These outputs are not directly provided in many construction simulation software tools. Determining these outputs is generally considered a time consuming and tedious undertaking. Developing modeling constructs that automa...
8 CitationsSource
#1Kenneth D. Walsh (SDSU: San Diego State University)H-Index: 22
#2Anil Sawhney (SDSU: San Diego State University)H-Index: 17
Last. Howard H. Bashford (SDSU: San Diego State University)H-Index: 8
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The production equation called Little's law has been applied to construction data recently. However, Little's law was derived for steady-state conditions assuming constant input and output rates and long production runs. Production in construction is inherently temporary, and learning curves and environmental influences often render input and output rates unequal and nonlinear. Starting with a conservation of mass formulation, general equations for work-in-process and cycle time for unsteady-sta...
27 CitationsSource
#1Howard H. Bashford (ASU: Arizona State University)H-Index: 8
#2Anil Sawhney (ASU: Arizona State University)H-Index: 17
Last. Jacqueline D. Thompson (ASU: Arizona State University)H-Index: 2
view all 4 authors...
A key component of the homebuilding process is inspection of construction by the building permitting agency within the jurisdiction where the work is performed. Several inspections are made throughout the construction process, but four of the inspections, pre-slab, framing, drywall, and final, lie on the work schedule critical path. This research focuses upon these particular inspections to determine if the inspection failures influence construction cycle time. Inspections of production homes ar...
4 CitationsSource
Inspections performed by code enforcement officials (building inspectors of a code enforcing jurisdiction) to confirm building code compliance are an important part of the home building production process. In 2003, an estimated 10 to 15 million code compliance inspections for residential construction were performed in various jurisdictions around the nation. The inspection process and its outcome have a significant impact on all the stakeholders, including city building departments, homebuilders...
8 CitationsSource
#1Howard H. Bashford (SDSU: San Diego State University)H-Index: 8
#2Kenneth D. Walsh (SDSU: San Diego State University)H-Index: 22
Last. Anil Sawhney (SDSU: San Diego State University)H-Index: 17
view all 3 authors...
Production home building possesses characteristics similar to manufacturing processes, such as the construction of more or less similar houses repeatedly and a growing demand for mass customization of homes. As a result of these similarities, larger homebuilders often attempt to view their production system as an assembly line process. However, the management tools generally utilized by these home builders are those used in other sectors of the construction industry, such as critical path method...
39 CitationsSource
#1Kenneth D. Walsh (SDSU: San Diego State University)H-Index: 22
#2Howard H. Bashford (ASU: Arizona State University)H-Index: 8
Last. Andreas Witjakso (ASU: Arizona State University)H-Index: 1
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Theoretical and computational studies of supply chains are confined mainly to buyer-supplier dyads. Evaluation of more tiers in the construction sector specifically is also rare, perhaps in part because short-term partnerships are typical. However, supplier selection in residential construction is often conducted in support of multiple subdivision tracts over a comparatively long time-horizon. This paper describes the lumber supply chain for residential construction, extending from the homebuyer...
5 CitationsSource
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