Work progress

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Management, Control, Security

Monitor a site using an optimized planning saves time, money and energy. Generating and updating bi-tridimensional models can be documented progress and detect irregularities. Today the state of construction is documented without a systematic method and assessments that determine the correspondence between reality and work plan. GLOBES Hi-Tech Srl proposes a regularly recording system for the advancement of a construction site, with the help of cameras installed permanently, with aerial images captured by remote-controlled aircraft from different angles and with the aid of sensors available today from multispectral to thermal.

A 3D model time is generated with data collected and semantically evaluated by comparing it with the plan of the work, making possible the detection of significant deviations. The post-processing allows to overlay exactly work plans on captured images distinguishing permanent structures and what is construction equipment such as cranes and trucks. The building owners can continuously adapt their planning to current needs.

Make a place visible that is normally closed to the public, is a perfect operation allowing communication in every corner of the world to see the evolution of the site. The images can be viewed on a website, transmitted via streaming real-time to private users. This type of operation as well as showing the technological advancement, the progress of construction sites and the approach on a date which is the closing work can also be understood as a plan of transparency for investors, government etc. The shots can be made during the hour break on the yard so they can operate safely.

Case study: The Silli’s landslide

Conduct Operational

Filming is planned in conjunction with the client, one-off or on a regular basis depending on the requirement. Program the same survey at different times and on the same flight plan results in a saving in control and security of the site resulting a cost reduction.

Value Added

Overflight by UAV (unmanned aerial vehicle) ensures fast and effective tools for safety and planning of the work on the walls and / or fronts landslides. Mappings can be realized with millimeter precision and created ad hoc projects to support the management of worker safety.

Documents

Periodic overflight operations allow you to generate more consistent and reliable documentation, useful for monitoring in the medium term. The more efficient management of the activities in the program ensures optimized financial reporting.

 

Work Progress

The monitoring of the “Work Progress” provides the comparison of two or more aerial images of the same site and with the same flight plan (shooting angle, ground resolution, flying height, etc.) to obtain models of the site both photographic, both thermal or multispectral, both of the surface of the ground different from each other only for the variable time. The changes, evaluated for photo-interpretation or change detection algorithms, describe and quantify unequivocally task status. The product key is the rigor and customization on the real needs.

1. The first step is the rigorous acquisition of air data on a regular basis of the site, the post processing and photogrammetric recording with ground control points.

2. Following the validation of the models made by Image Correlation algorithms that overlap mosaics obtained at different times pixel by pixel. The confidence value indicates the correctness of the relief and the transition to the next stage.

3. The third step is the Change Detection in which we analyze in detail the variation between models at T0 and T1, determining matches missing as presence / absence of structures, dimensional changes etc

4. The subsequent analysis becomes in the specific variations, considering for each change of interest ‘shooting scenes, multiple sources, multiple elements in general, as well as models of the terrain radiometry.

5. The last step is defined Site Model Updating, changes in interest vectorized and incorporated into the new model.

Aerial Remote Sensing proximity in yards

The inspection or monitoring via drone allow detection in a targeted and preventive areas of a structure in which action is needed, with a large reduction of the time (and therefore cost) during maintenance. Avoid the use of expensive and potentially dangerous specialized staff working on scaffolding and exceed the limits of accessibility of human intervention. They also provide a complete and thorough overview of the structure to be monitored or inspected.

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Headquarters & Legal

GLOBI Hi-Tech

Corso Aurelio Saffi 7/3
Genova
Italy

info@globi.com

Sardegna Office
S.P. 55 Porto Conte/Capo Caccia, km. 8,400
Località Tramariglio
07041 Alghero (SS)

Trentino Alto Adige Office
Via Siemens, 19
39100 Bolzano (BZ)

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