2.1 . General requirements |
275 |
2.2 . Ensuring the necessary digital map and other geodetic base for the design , i | |
including new survey . Design |
277 |
2.2.1 . General |
277 |
2.2.2 . Development of a digital terrain model for the design of the | |
Chiren-Kozloduy-Oryahovo gas pipeline alignment |
277 |
2.2.2.1 . Airborne laser scanning |
277 |
2.2.2.2 . General characteristics of the object |
278 |
2.2.2.3 . Geodetic activities |
278 |
2.2.2.4 . Technical parameters of the airborne laser scanning |
279 |
2.2.3 . Development of a digital geodetic base for the design of a gas pipeline | |
between the towns of Silistra and Dobrich |
280 |
2.3 . Detailed design |
281 |
2.4 . Tracing , control and documentation of main pipelines |
283 |
2.5 . Using software in the geodetic works for the individual stages of main gas | |
pipeline construction |
283 |
2.6 . Bulgaria – Greece gas interconnection |
288 |
3 . Design , tracing and documentation of distribution gas pipelines and networks |
290 |
4 . Design , tracing and documentation of main water pipelines , sewage collectors | |
and networks |
294 |
4.1 . General |
294 |
4.2 . Construction of mineral water pipeline from a well near the mineral bath | |
in the Barzia village to the mineral bath in the town of Berkovitsa |
294 |
4.2.1 . Scope of the project |
295 |
4.2.2 . Scope of the construction and assembly works on the building site |
295 |
4.3 . Pressure-head pipeline from the Orehovitsa village to the town of Trastenik |
296 |
5 . Tracing and control in the construction of underground infrastructure , | |
related to electric power supply , communications , water supply and sewage 297 | |
6 . Tracing and mounting of energy objects on columns |
396 |
3.4.6 . CABLEWAYS |
303 |
3.4.6.1 . General information and requirements for cableways |
303 |
3.4.6.2 . Legal basis for cableways |
308 |
1 . Ordinance on safe operation and technical surveillance of cableways |
308 |
1.1 . General provisions |
308 |
1.2 . Requirements for new cableways |
309 |
1.3 . Technical surveillance . General |
309 |
2 . Ordinance on essential cableway requirements for transport of people and | |
estimation of the conformity of safety devices and subsystems |
310 |
2.1 . General |
310 |
3 . Design , tracing , control and documentation of hanging cableways |
310 |
3.1 . Feasibility studies and justification . Basic elements of a cableway |
310 |
3.2 . Geodetic base and cableway design |
311 |
3.3 . Detailed design of the longitudinal profile |
313 |
3.4 . Requirements for the accuracy of the geodetic works |
315 |
3.5 . Tracing of cableways |
315 |
3.6 . Geodetic survey and control of existing cableways , maintenance , | |
reconstruction and operation . Examples of new and existing cableways |
316 |
3.6.1 . Basic principles |
316 |
3.6.2 . Rilski Ezera chair lift |
317 |