PE Pipe Applications -Case Story · PE Pipe Applications -Case Story Marmara Earthquake ... collaboration of Enka & Bechtel. d o n ‘ t c r a c k u n d e r p r e s s u r e PE100+

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PE Pipe Applications -Case Story

Marmara Earthquakeİzmir Aliağa Thermal Power Plant

03 April 2003 - AnkaraHakan Belen

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Marmara earthquake

In the past we thought that hardness was the uniquecriteria of durable and lasting systems.

And based on this criteria we estimated lifetime.

Thus, from the last disaster we learnt that there are suchpowers in the nature, that durability and lifetime depend on being in harmony with them.

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Hard wallsHow hard the walls are, how easily pipes got broken. Result: increase in waste product.

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Meaning that when building an infrasructure withhard pipes, risk of loss costs has already beenaccepted.

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RESULT

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‘‘A waterless city”

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‘‘A waterless city”

In Adapazarı some lucky districts waited just for therepair. In these infrastructure systems PE100 products were installed.

What about others? Earthquake result in 70% of theinfrastructure systems of Adapazarı being out of order.

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Lifetime

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Lifetime

Lifetime (no need for maintenance) of an infrastructure system is estimated with lifetimes of each component.

For example; a pipe’s being leak tight depends on itsjoint’s and sleev’s lifetime.

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Corrosion and erosion

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Corrosion and erosion

Conditions of the terrain are other criterias that affectthe life time:– Frequent rain,– Alkaline and salt rich soil shortens life time of the

product significantly.

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Before Marmara Eartquake, “İller Bankası” altered 380km. of Asbestos Cement and PVC pipelines with PE100 pipesin Adapazarı.

Marmara Eartquake drinking water pipe failure statistics:Pipe Type Failures (pcs/km)Ductile iron 0,488Cast iron 1,508PVC 1,430Steel 0,437Asbestos cement 1,782PE 100 Boru 0 (no failure)

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As a result...

İller Bankası decided on puchasing PE100 pipes forAdapazarı drinking water pipelines and mains.

These pipes were only bought from PE100 producers.

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Case Story 2-İzmir Aliağa Thermal Power Plant

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PE100 products, are suitable for fire and cooling pipelines applications. İzmir-Aliağa is one of these kind of Thermal Power Plants, that was built with thecollaboration of Enka & Bechtel.

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With this project 11,5% of total electricity demand is aimed to supply.In the beginning it was considered on steel pipes. Afterthe presentation, it was decided on PE100.

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All of the fire and cooling lines were built with PE100 pipesand fittings. 200-500 mm, PN 16800-1000 mm, PN 12,5pipes were usedThis project is the second all over the world that 800 mm PN12,5 pipes were used. And the first for 1000 mm PN12,5 pipes.

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Total pipe consumption of the previous mentionedPE100 pipes is 12000 mt.

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Power plant is in use since project finalised in August2002.

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Various fittings and joints were used.

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THANKS FOR LISTENING.