A lot of buildings have dry/wet risers fitted especially high-rise blocks. These systems should be fully tested and maintained bi-annually.
Wet risers may also have pumps these also require servicing. All servicing is completed in accordance with BS9990:2015, we can provide your servicing requirements.
Dry Rising Mains:
Inlets, landing valves, drain valves, door hinges and locking arrangements to the Inlet and landing valve cabinets should be inspected every 6 months, pressure tested once a year.
Special attention should be given to all valves, spindles glands and washers to ensure that they are in satisfactory condition so that all equipment is ready for immediate use.
Wet Rising Mains:
Check on the cleanliness of storage tanks. Through check of the booster pumps and their associated mechanical and electrical equipment.
Requirements for wet/dry risers in buildings: 11m to 50m above ground level - dry or wet risers can be installed. Over 50m above ground level only wet risers must be installed as to BS9990:2015
If you require any dry/wet riser equipment we will supply everything you need for it. For example, inlet/outlet valves, inlet/outlet boxes, 100mm galvanised pipe and couplings etc… just contact us and we will be happy to help.