Weather-wise: A weather-aware planning tool for improving construction productivity and dealing with claims

Ballesteros‐Pérez, Pablo; Rojas-Céspedes, Yonatan Alexis; Hughes, Will; Kabiri, Shabnam; Pellicer, Eugenio; Mora-Meliá, Daniel; Campo-Hitschfeld, Maria Luisa del

doi:10.1016/j.autcon.2017.08.022

Cited by 40 publications

(35 citation statements)

References 33 publications

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“…However, it is considered sufficiently representative for the UK which is where the proposed method will be applied later. Similar combinations of weather variables have also been considered recently by other authors (Ballesteros-P erez et al 2017a(Ballesteros-P erez et al , 2017b for both Spain and the UK.…”

Section: Combinations Of Weather Variables Affecting Construction Actmentioning

confidence: 58%

Incorporating the effect of weather in construction scheduling and management with sine wave curves: application in the United Kingdom

Ballesteros‐Pérez

Smith

Lloyd-Papworth

et al. 2018

Construction Management and Economics

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The impact of (adverse) weather is a common cause of delays, legal claims and economic losses in construction projects. Research has recently been carried out aimed at incorporating the effect of weather in project planning; but these studies have focussed on either a narrow set of weather variables, or a very limited range of construction activities or projects. A method for processing a country's historical weather data into a set of weather delay maps for some representative standard construction activities is proposed. Namely, sine curves are used to associate daily combinations of weather variables to delay and provide coefficients for expected productivity losses. A complete case study comprising the construction of these maps and the associated sine waves for the UK is presented along with an example of their use in building construction planning. Findings of this study indicate that UK weather extends project durations by an average of 21%. However, using climatological data derived from weather observations when planning could lead to average reductions in project durations of 16%, with proportional reductions in indirect and overhead costs. ARTICLE HISTORY

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Section: Combinations Of Weather Variables Affecting Construction Actmentioning

confidence: 58%

Incorporating the effect of weather in construction scheduling and management with sine wave curves: application in the United Kingdom

Ballesteros‐Pérez

Smith

Lloyd-Papworth

et al. 2018

Construction Management and Economics

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“…Going back to the causes of project delays, many factors have been identified: poor planning and controlling practices (Assaf & Al-Hejji, 2006;Assaf, Al-Khalil & Al-Hazmi, 1995), poor site management (Abdul-Rahman, Berawi, Berawi, Mohamed, Othman & Yahya, 2006;Alaghbari et al, 2007), labor shortage and lower productivity (Odeh & Battaineh, 2001;Sweis, Sweis, Abu Hammad & Shboul, 2008), problems with materials supply chain and procurement (Lo, Fung & Tung, 2006;Ballesteros-Pérez, del Campo-Hitschfeld, Mora-Melià & Domínguez-Santos, 2015), reworks of defective units or units with insufficient quality (Ballesteros-Pérez, 2017a;Forcada, Rusiñol, Macarulla & Love, 2014), contractor's and/or client's financial difficulties (Mansfield, Ugwu & Doran, 1994;Ogunlana et al, 1996), design changes (Arditi, Akan & Gurdamar, 2006;Mezher & Tawil, 1998), poor communication and co-ordination (Fimpong & Oluwoye, 2003), unexpected field interferences (Alarcón, Diethelm, Rojo & Calderon, 2005), adverse weather (Ballesteros-Pérez, del Campo-Hitschfeld, González-Naranjo & González-Cruz, 2015;Ballesteros-Pérez et al, 2017), legal disputes (Yogeswaran, Kumaraswamy & Miller, 1998), to cite just a few. It may not be a surprise then that delays in the final completion of projects are acknowledged in many sectors as one of the most common, costly, complex, and risky problems a project manager can face (Fawzy & El-adaway, 2012).…”

Section: Introductionmentioning

confidence: 99%

Do Projects really end late? On the shortcomings of the classical scheduling techniques

Ballesteros‐Pérez

Larsen

González-Cruz

2018

J. Technol. Sci. Educ.

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Many engineering projects fail to meet their planned completion dates in real practice. This a recurrent topic in the project management literature, with poor planning and controlling practices frequently cited among the most significant causes of delays. Unfortunately, hardly any attention has been paid to the fact that the classical scheduling techniques: Gantt chart, Critical Path Method (CPM), and Program Evaluation and Review Technique (PERT), may not be as fit for purpose as they seem. Arguably, because of their relative simplicity, these techniques are still almost the only ones taught nowadays in most introductory courses to scheduling in many engineering and management degrees. However, by utterly ignoring or inappropriately dealing with activity duration variability, these techniques provide optimistic completion dates, while suffering from other shortcomings. Through a series of simple case studies that can be developed with a few participants and common dice, a systematic critique of the classical scheduling techniques is offered. Discussion of the case studies results illustrate why limiting the contents of scheduling education and teaching can be detrimental, as the aforementioned classical scheduling techniques cannot not provide project managers with sufficient resources to effectively plan and control real projects.

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“…The influence of weather conditions is a manifestation of the impact of the dynamically changing environment. Variable climatic conditions in time and space generate different deadlines (and related costs) for the implementation of various construction processes and the related risk of failure to meet the assumed deadline for implementation, budget overrun and failure to meet quality requirements [1,2]. It is necessary to emphasize the oftenencountered pressure to shorten the implementation cycle, which imposes the necessity to continue the works An example of a process exposed to a significant weather risk is concreting under conditions of cold temperature, when despite the start of the process under favorable conditions there is a danger of sudden deterioration of maturation conditions (frost attack) and damage to the concrete structure at the initial stage of curing.…”

Section: Introductionmentioning

confidence: 99%

Simulation as a decision tool in construction process management in turbulent environment

Katafoni

Pasławski

2018

MATEC Web Conf.

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This paper is dedicated to simulation idea of construction process for decision-making aid. An aim is to improve technological decisions for concreting operation at low temperature. A risk of destruction of concrete structure is a critical problem in this situation. A sudden drop in temperature may result in disqualification of the concrete element or the entire structure. The proposed solution is based on a simulation of the process of maturing of the concrete element based on experiments in the laboratory (e.g. heat of hydration and dynamics of growth of compressive strength depending on the temperature). The case study proved that the traditional approach to the management of concreting technology (based on one 48-hour forecast) is extremely risky when operating in a turbulent and changing environment. The proposed flexible approach is based on systematically updated simulation and is more effective thanks to the possibility of activating active flexible procedures to prevent freezing of concrete in case of pessimistic scenario.

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Weather-wise: A weather-aware planning tool for improving construction productivity and dealing with claims

Cited by 40 publications

References 33 publications

Incorporating the effect of weather in construction scheduling and management with sine wave curves: application in the United Kingdom

Incorporating the effect of weather in construction scheduling and management with sine wave curves: application in the United Kingdom

Do Projects really end late? On the shortcomings of the classical scheduling techniques

Simulation as a decision tool in construction process management in turbulent environment

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