Siphonic Roof Drainage System Design

Uv system is the only engineering firm in the united states focused solely on siphonic roof drainage.

Siphonic roof drainage system design.

Siphonic roof drain design. Siphonic solutions is a next generation design and construction company specialising in siphonic roof drainage systems. Gravity sucks the water to the discharge point. Storm water drainage systems can generate tremendous thrust forces due to the flow of the water in the piping.

Whether the system is siphonic or not the designer owes it to himself and the owner to provide the sufficient bracing to prevent pipe movement and possibly separation. By contrast a fully engineered siphonic roof drainage system contains an anti vortex plate that acts as a. A siphonic roof drainage system however is said to prime during storm events and operate filled with water. With a flat level design long horizontal runs above overhead ceilings are pos.

The siphonic roof drainage system is based on the ingenious gravity induced vacuum principle. Siphonic roof drainage. To research set standards and disseminate best practice in uk siphonic drainage from design to installation. With over 20 years experience in siphonic roof drainage systems we are a well established company and provide professional expert advice and quality construction services throughout australia.

Siphonic drainage systems operate with specially designed flat roof drains which unlike gravity drainage systems are configured to work with completely full pipes degree of fill h d 1 0. Siphonic drainage was first introduced in the 1960 s in scandinavia and since then has been used widely across europe including the uk in the far east australasia south africa and the usa. For traditional drainage systems. The water is sucked or siphoned from the roof down into the drain at high velocity.

Siphonic roof drainage is not so much a system in terms of a pre engineered product or package. Baffle and prevents air and debris from entering the piping system at full flow allowing the pipes to completely fill up with water. Comprising high quality stainless steel siphonic roof outlets high density polyethylene hdpe pipes fittings and a professional support package the siphonic roof drainage system allows the complete drainage of a roof without the requirement of a slope in the pipework thus saving valuable space. It is instead a technique of no pitch pipe design used to achieve desired flow from roof drains to point s of discharge.

A siphonic roof drain system is truly an engineered system to design a traditional roof drain system by code plumbing engineers simply follow prescriptive instructions in the code and read off of pre calculated standardized charts. This can only be achieved by assuring that no air is sucked in with the rain water and no bubble vortexes formed in the pipe system.