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Hospital Vallecas D1 Tower Trump Tower Beijing Cowboy Stadium
Hospital Vallecas, Spain
By protecting the water trap seals, the Studor System contributes to reducing the spread of diseases through cross contamination – the perfect choice for a hospital.
D1 Tower, Dubai, UAE
This 80 floor luxury building has simplified and reduced the costs of its drainage venting system by installing the Studor System.
Trump Tower, Panama
The Studor System eliminated the need for 44,000 metres of vent piping and the associated installation expenses in this project.
Beijing National Stadium, China
Studor P.A.P.A.s and Maxi-Vents contributed to the efficient drainage system of the world’s largest steel structure, which was the main stadium of the 2008 Olympics.
Cowboy Stadium, Texas, USA
Studor P.A.P.A.s and AAVs have been installed in this stadium which incorporates the latest in technological developments.

Arabtec Residential Building

Arabtec Residential Building

Dubai Silicon Oasis UAE Case Study

STUDOR SOLVES & SAVES ON SAFE DRAINAGE SYSTEM FOR SILICON OASIS

The Studor System installed in a 9-storey residential tower within the Dubai Silicon Oasis free zone demonstrated a 40% cost saving over a conventional system due to a significant reduction in the length of piping required.

Background

The 7.2 square kilometres Dubai Silicon Oasis complex is a 100% government-owned free zone in Dubai, which has created a hi-tech ecosystem in order to promote technological collaboration and innovation.

This residential 9-storey tower, built by Arabtec Construction,comprises 107 apartments and communal facilities, including swimming pool, sauna and gym. Studor was consulted at the outset, and demonstrated a significant cost saving plus the benefit of no venting stack pipes on the roof of the building (where the swimming pool and a recreation area were to be located).

Studor was also called on for a solution during the build, when a problem occurred with the pre-fabricated toilets, which did not have adequateprovision for drainage ventilation.

Studor Solution

The Studor System was specified because it has been specifically designed to eliminate transient pressure problems in multi-storey buildings.Comprising 30 Studor P.A.P.A.s (Positive Air Pressure Attenuators) and 589 Studor AAVs (Air Admittance Valves) for this project, it was considered the ideal drainage solution as there was limited shaft space and there were difficulties in penetrating the roof of the tower block for drainage stacks. Branch vent connections were taken from discharge lines and AAVs were installed in the back shaft and ceiling voids.

Using the Studor System significantly reduced the amount of materials needed in the plumbing system, increasing plumbing labour efficiency and decreasing associated costs. It also allowed greater flexibility in the layout of plumbing architecture.

Removing the need to have one-to-one vent pipes to relieve negative and positive pressures, the Studor System provides better protection to branch fixtures than an open vent, as it senses pressure fluctuations at source / point of need. The Studor AAVs open and admit air when the vacuum effect occurs from the fixed discharge, then closes and seals air tight within the flow stop to prevent any transmission of foul air out through the device and trap seals. This equalises pressure within the system, protecting the water trap seals.

The Studor P.A.P.A.s work with the AAVs to protect against positive pressure transients. This allows for a complete sealed building drainage system without the need for costly or inconvenient roof or surface penetrations and vent piping.

This innovative solution constantly operates in order to maintain the pressure differential of the whole drainage system with the external environment below +/-100Pa, and will last for the lifetime of the building. Indeed, Studor guarantees the effectiveness of their products for the building’s lifetime.

Result

In a relatively simple residential building with only 9 storeys, the Studor System demonstrated a significant 40% cost saving over a conventional drainage system. The Studor System also easily resolved a potential issue of vents being adjacent to a roof top swimming pool and recreation area – a further benefit of the Studor System being no roof vents / penetrations. In addition, the Studor System provided a quick solution to a problem that later arose with the pre-fabricated toilets, which did not have adequateprovision for ventilation. 


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