Can a PV system be installed on a village house?

PV system installed on roof of village houses Photovoltaic (PV) systems installed on roofs or roofs of stairhoods of village houses must comply with the specified requirements for green and amenity facilities and must be properly installed and not adversely affect the structural safety of the buildings.

Can a PV system be integrated into a flat roof?

In some cases, PV systems can be integrated directly into flat roofs (Figure 25), although this is not common because the efficiency of PV modules is reduced because the optimum angle relative to the sun is not achieved.

What is a roof mounted photovoltaic system guidance?

The guidance refers only to the mechanical installation of roof mounted integrated and stand-off photovoltaic systems; it provides best practice guidance on installation requirements and does not constitute fixing instructions.

How high can a PV system be installed on a roof?

PV system installed on roof should not exceed 2.5m high. PV system exceeding the height of 1.5m should be certified by an Authorized Person who is registered under the Buildings Ordinance for submission of a safety certificate to the Lands Department for record. The average imposed load should not exceed 150kg/m 2.

How do I design a solar hot water & photovoltaic system?

Provide an architectural drawing and riser diagram for the homeowner showing the planned location for future solar hot water and photovoltaic system components. Space requirements and layout for solar water heating and photovoltaic system components should be taken into account early in the design process.

How should a PV system be designed & installed?

From the outset, the designer and installer of a PV system must consider the potential hazards carefully, and systematically devise methods to minimise the risks. This will include both mitigating potential hazards present during and after the installation phase.