Drone Site Surveys
We provide a unique blend of aerial mapping and land planning expertise to produce detailed site assessment, terrain modelling and hydrology assessment. We also provide roof inspections, aerial photography and filming services in the UK.
Sherrington lifting offer a wide variety of services including aerial filming, site assessment, 3D terrain modelling, roof inspections as well as aerial photography. All our pilots are CAA approved and have the relevant pilot’s licence. If you would like more information or a quote, contact us or fill in an enquiry form.
We try to make the decision to use a drone for aerial filming and survey as easy as possible and therefore we offer standard services that cover most situations. If however you have other requirements or wish to combine services then we are more than happy to accommodate.
Good light conditions are required in order to obtain consistent exposures and well lit subjects. Windspeed should not exceed 17 knots or gusts over 20 knots. We are unable to fly when it is raining or if stormy conditions are imminent.
On The Day
When Sherrington Lifting Ltd arrive on site we will meet with the client or an authorised representative and carry out a site walk around to discuss the brief to determine any key requirements and objectives of the mission.
It is the responsibility of the Pilot in Charge (PIC) to ensure that the take-off and landing sites are safe and that the weather conditions are suitable for aerial operations.
During the flight operations the client may join the crew at the discretion of the PIC. The operation may involve frequent landings for setting up shots and for battery changes and constant vigilance needs to be maintained for potential hazards or changing weather conditions. The operation may be called off or temporarily halted by the PIC if conditions become unfavourable.
Once the operation has been completed, the PIC will agree with the client that all of the required footage has been obtained. If additional footage is requested then the PIC will determine whether it can be obtained within the window of operations or prevailing conditions.
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Before you contact us about a specific question, please check our FAQ's we may already have the answer for you.
Operating In High Winds
All cranes have a maximum design wind speed for safe operation. When the wind speed exceeds this limit the crane must be taken out of service. Different types of crane, different models of the same type of crane and different configurations of the same model may operate with different maximum wind speeds. The operating wind speed for the crane will allow for
the load having a certain wind area; if this is exceeded then the working wind speed will need to be reduced (see the manufacturer’s manual for information on this).
Typical maximum operating wind speeds are:
Mobile Cranes 9.8 m/s (22 m.p.h.) Beaufort Scale 5
Proximity To Hazards
Hazards best avoided, where possible, include:
- Overhead electric lines
- Nearby structures
- Other cranes
- Public access areas
Where any part of the crane or its load cannot be kept clear of these hazards, the appropriate authority, e.g. a local electricity supplier or Railtrack, must be consulted.
Danger from vaults or underground services must not be overlooked, and suitable precautions must be taken where they cannot be avoided.
Where the crane or its load passes closer than 600mm to an obstacle, effective precautions must be taken to avoid crushing, by preventing personnel accessing the area.
Where a crane is to be used within 15 metres plus the length of its jib, from overhead power lines on steel towers, (or 9 metres plus the length of the jib, from overhead lines on wood, concrete or steel poles) the guidance given in HSE Guidance Note GS6 must be followed.
Where a crane will work close to railway property (i.e. if it fell over and any part of it, or any load being lifted by it, could fall on railway property), consult the railway property owner and CPES.
If the crane is within 6 km of an airfield, and its height exceeds 10 m or that of the surrounding structures or trees, then the Appointed Person should seek the permission of the airfield manager before starting operations.
Cranes have very high axel weights, and need good solid ground the same as a lorry would need. You will also need to make sure there are no sharp objects in the path of the crane when gaining access to the site.