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State of Technology Report for Force Main Rehabilitation, Final ...

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<strong>Technology</strong>/Method Saertex - Liner® /CIPP<br />

I. <strong>Technology</strong> Background<br />

Status Emerging<br />

Date <strong>of</strong> Introduction Europe in 1996 /US since 2007<br />

Utilization Rates 2008: about 100 miles<br />

Vendor Name(s) Saertex-Liner®<br />

Saertex multiCom® GmbH<br />

Brochterbecker Damm 52<br />

D-48365 Saerbeck<br />

Germany<br />

Phone: +49 2574 902-400<br />

Fax: +49 2574 902-422<br />

Email: multicom@saertex.com<br />

Web: www.saertex-multicom.de<br />

SAERTEX multiCom LP<br />

12249 Mead Way<br />

Littleton, CO 80125<br />

Phone: 1 866 921-5186<br />

E-Mail: multicom@saertex.com<br />

www.saertex-multicom.de<br />

Practitioner(s) DIRINGER & SCHEIDEL Rohrsanierung GmbH & Co. KG<br />

Branch Oldenburg/Mr. Richard Mohr<br />

Donnerschweer Straße 82<br />

26123 Oldenburg<br />

Phone: +49 441 2096410<br />

C&L Water Solutions Inc.<br />

Mr. Larry Larsson<br />

12249 Mead Way<br />

Littleton, CO 80125<br />

Phone: +1 303 7912521<br />

Kleen GmbH Umwelt & Kanaltechnik<br />

Mr. Uwe Rieken<br />

Böttcherstraße 4<br />

26506 Norden<br />

Description <strong>of</strong> <strong>Main</strong><br />

Features<br />

Phone: +49 4931 97207-0<br />

The structural portion <strong>of</strong> the liner is made <strong>of</strong> several layers <strong>of</strong> Advantex® (ECR<br />

glass) glass fiber rein<strong>for</strong>cement that is manufactured by SAERTEX multiCom.<br />

An inner film (styrene tight) serves as an aid to installation and is removed<br />

immediately following the curing process. An external styrene tight film is<br />

outside the structural layer complex, followed by an opaque film that protects<br />

against UV exposure and damage during insertion. The liner is winched in, after<br />

placement <strong>of</strong> a sliding film, along the invert <strong>of</strong> the host pipe. Two types <strong>of</strong> resins<br />

can be used: a polyester resin or a vinylester resin <strong>for</strong> industrial sewage. The liner<br />

can be either UV cured or steam cured (catalyst is included <strong>for</strong> steam curing<br />

option).<br />

<strong>Main</strong> Benefits • High tensile strength in both radial and axial directions due to glass fiber<br />

Claimed rein<strong>for</strong>cement. Handle winching <strong>for</strong>ces.<br />

• Excellent material data, like an e-modulus <strong>of</strong> 1.740 x 10 6 psi = static needs<br />

are achieved with thin wall thickness.<br />

• 1/10 th the thermal shrinkage <strong>of</strong> an ordinary polyester felt rein<strong>for</strong>ced liner<br />

resulting in annular gap normally less than 0.5%.<br />

• Higher long-term modulus than felt liners.<br />

• Cure with either UV or steam.<br />

• Liner can be placed into service directly after completion <strong>of</strong> curing process<br />

and re-opening <strong>of</strong> the laterals.<br />

<strong>Main</strong> Limitations<br />

Cited<br />

• Circular, egg-shaped or box sections can be accommodated.<br />

• More expensive than polyester felt material<br />

• Hose liners produced in Germany and shipped to the US warehouse<br />

A-62

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