Erez Dror

Erez Dror

Austin, Texas, United States
11K followers 500+ connections

About

On a mission to help construction managers maximize the efficiency of their operations…

Articles by Erez

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Experience

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    Genda

    Austin, Texas, United States

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    Tel Aviv Area, Israel

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    Bnei Brak Area, Israel

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    Tel Aviv Area, Israel

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    Ein Vered, Israel

Education

Volunteer Experience

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    Volunteer

    PAAMONIM

    - 10 months

    Economic Empowerment

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    Student Volunteer

    HaGal Sheli

    - Present 10 years

    Children

Publications

  • Indoor Tracking of Construction Workers Using BLE: Mobile Beacons and Fixed Gateways vs. Fixed Beacons and Mobile Gateways

    Conference: Proc. 27 th Annual Conference of the International. Group for Lean Construction (IGLC)At: Dublin, Ireland

    Automatic resource location monitoring in construction projects empowers managers to make data-driven decisions that improve project workflow. Monitoring data can be processed to measure workflow quality and thus for better understanding of effectiveness and efficiency. We compare two methods for deployment of Bluetooth Low Energy (BLE) beacons for indoor resource monitoring-mobile beacons and fixed gateways (MB) vs. fixed beacons and mobile gateways (FB). BLE beacons can be fixed to walls or…

    Automatic resource location monitoring in construction projects empowers managers to make data-driven decisions that improve project workflow. Monitoring data can be processed to measure workflow quality and thus for better understanding of effectiveness and efficiency. We compare two methods for deployment of Bluetooth Low Energy (BLE) beacons for indoor resource monitoring-mobile beacons and fixed gateways (MB) vs. fixed beacons and mobile gateways (FB). BLE beacons can be fixed to walls or carried by workers, and can be fixed to material containers and equipment. Using gateways, such as raspberry pi computers or smartphones, one can easily and automatically monitor resource locations. Several field experiments were conducted, both in the laboratory and in construction sites in Finland, Israel, Peru, Netherlands and China. Technical aspects such as setup, direct cost, feasibility and accuracy were compared for two methods-mobile beacons and fixed gateways vs. fixed beacons and mobile gateways-and the performance of each method in providing the data needed for lean construction workflow assessment was assessed. Both methods are effective in monitoring resource locations but differ in their feasibility of implementation in construction sites and in the utility of the data they provide in terms of identifying value-adding activities.

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  • Integrating Indoor Positioning System and BIM to Improve Situational Awareness

    Conference: 27th Annual Conference of the International Group for Lean Construction (IGLC)At: Dublin

    This paper presents the concept for the integration of Indoor Positioning System (IPS) and Building Information Model (BIM), and hypothesizes about the possible benefits of this integration to situational awareness and visual management in construction projects. Literature review shows that the volume and quality of data enabling situational awareness during construction projects is increasing with the use of new technologies, such as indoor positioning systems and other applications of…

    This paper presents the concept for the integration of Indoor Positioning System (IPS) and Building Information Model (BIM), and hypothesizes about the possible benefits of this integration to situational awareness and visual management in construction projects. Literature review shows that the volume and quality of data enabling situational awareness during construction projects is increasing with the use of new technologies, such as indoor positioning systems and other applications of Internet of Things (IoT). However, these information streams have been used individually so far. BIM as the interface integrating different streams of situational awareness information can result in better data-driven construction management and production. This study suggests that using BIM in 3D visualization of the indoor positioning of construction resources (workers, material, and equipment) enables visual management based on situation awareness on construction project activities. Better situational awareness of construction resources on-site based on visualization in BIM can improve the identification and elimination of waste and the identification of workflow interruptions, potentially permitting better planning and increasing productivity. The study suggests further steps for empirical research to prototype the concept and validate it with industry partners and practitioners.

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