6.2.1 . General statements |
359 |
6.2.2 . Coordinate systems |
360 |
6.2.3 . Conventional and modern geodetic instruments and activities |
361 |
6.2.3.1 . General on geodetic instruments and activities |
361 |
6.2.3.2 . Geodetic measurements related to BIM |
361 |
6.2.3.3 . Reference network and surveying |
361 |
1 . Reference network |
361 |
2 . Electronic manual measurements |
362 |
3 . Electronic tachymetry |
364 |
6.3 . Photogrammetry and BIM |
365 |
6.3.1 . General statements |
365 |
6.3.2 . Aspects of photogrammetry and BIM |
366 |
6.4 . Laser scanning and BIM |
367 |
6.4.1 . General statements |
367 |
6.4.2 . Essence |
368 |
6.4.3 . Processing of laser scanning information in Revit environment |
371 |
6.4.3.1 . Introducing the point cloud and reducing it to the local coordinate system 371 | |
6.4.3.2 . Defining levels ( sections ) |
371 |
6.4.3.3 . Work in the respective levels – views in plan |
372 |
6.4.3.4 . Structural elements |
372 |
6.4.3.5 . Adding groups of objects and editing them for model purposes |
373 |
6.4.3.6 . Selecting appropriate materials for the structural elements |
373 |
6.4.3.7 . Sections and construction axes |
374 |
6.4.3.8 . Excerpts from the graphic and attribute database |
374 |
6.4.3.9 . Formatting for print and export to other formats |
375 |
6.4.4 . Inferences and conclusions |
375 |
6.5 . Combining laser scanning with photogrammetric imaging |
376 |
6.6 . The challenge of BIM |
376 |
6.7 . Some geodetic aspects of BIM realization for road rehabilitation |
377 |
6.8 . BIM and 3D cadastre |
377 |
3.12.2.2 . COMPOSING PLANS OF A BUILT COMPLEX OF OBJECTS AND | |
CADASTRE OF UNDERGROUND COMMUNICATIONS OF | |
SETTLEMENTS |
378 |
1 . Generally valid norms and activities |
378 |
1.1 . Regulatory base |
378 |
1.2 . Technologies for composing the plans of underground communications |
380 |
1.3 . Preparatory works and survey of underground conduits and facilities |
382 |
1.4 . Devices , general data and measurement principles |
382 |
1.4.1 . General data |
382 |
1.4.2 . Measurement principles |
383 |
1.4.2.1 . Principle of electromagnetic induction |
383 |
1.4.2.2 . Acoustic method for detecting an external ( underground ) plumbing or duct | |
leakage |
384 |
1.4.2.3 . Thermographic method – FLIR infrared camera |
384 |
1.4.2.4 . Georadar |
385 |
1.4.3 . Data about some devices |
386 |
1.4.3.1 . Cable locator of underground communications and Dynatel 2273 markers |
386 |
1.4.3.2 . PCE-CL 20 cable locator |
387 |
1.4.3.3 . Radio Detector locator and Hilti PS50 Scanner |
387 |
1.4.3.4 . Leica Geosystems locators |
389 |