State of Technology Report for Force Main Rehabilitation, Final ...
State of Technology Report for Force Main Rehabilitation, Final ...
State of Technology Report for Force Main Rehabilitation, Final ...
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<strong>Technology</strong>/Method Hose Liner/Pulled in Place<br />
I. <strong>Technology</strong> Background<br />
Status Emerging<br />
Date <strong>of</strong> Introduction 2001 in Germany<br />
Utilization Rates Between 20 and 30 km per year through 2008<br />
Vendor Name(s) Primus Line®<br />
Raedlinger Primus Line GmbH<br />
Kammerdorfer Strasse, 16<br />
Cham D93413<br />
Germany<br />
Phone: +49 9971 4003-100<br />
Email: primusline@raedlinger.com<br />
Homepage: www.primusline.com<br />
Practitioner(s) Double-inverted siphon under Lake Bigge. Two 12” drinking water lines, 650<br />
feet long each, 232 psi working pressure.<br />
Client: Kreiswasserwerke Olpe<br />
Engineer: Bieske & Partner, Lohmar<br />
Description <strong>of</strong> <strong>Main</strong><br />
Features<br />
<strong>Main</strong> Benefits<br />
Claimed<br />
<strong>Main</strong> Limitations<br />
Cited<br />
Applicability<br />
(Underline those that<br />
apply)<br />
Rising pressure pipe, 20 inches diameter, 363 psi working pressure, 1,350 feet<br />
long with 4 - 45 o bends. Pipeline located on a 76% slope.<br />
Client: Stahlwerke Thüringen AG<br />
Seamless woven aramid (Kevlar®) fiber in single or double-layer design<br />
embedded in a high per<strong>for</strong>mance plastic. The folded pipe is pulled into the<br />
existing pipe from a reel. No curing required. Pressure inflates the liner which is<br />
then self supporting. Inner liner coating is either PE <strong>for</strong> water and sewer<br />
applications, or TPU <strong>for</strong> oil and gas.<br />
• Light weight, 1.6 to 9.1 kg/m depending on diameter and number <strong>of</strong> layers<br />
<strong>of</strong> fabric.<br />
• High strength – burst pressure <strong>of</strong> 2,580 psi (178 bar) <strong>for</strong> 6 inches diameter.<br />
• Delivered rolled up to 5 miles on one drum.<br />
• Easy to install – up to 6,000 feet in a single line.<br />
• Could be used <strong>for</strong> a temporary pressure by-pass line.<br />
• Can navigate through a 30 o bend.<br />
• Requires a special coupling device (Primus Line connectors) <strong>for</strong> jointing up<br />
to steel, PE or other pipe materials <strong>for</strong> pressure rates higher than 16 bars.<br />
Alternative standard PE or GRP couplings are being tested.<br />
• Cannot accept connections so need special connectors (<strong>for</strong> high pressure) to<br />
adapt to fittings.<br />
• Would be imported from Germany as no US production.<br />
<strong>Force</strong> <strong>Main</strong> Gravity Sewer Laterals Manholes Appurtenances<br />
Water <strong>Main</strong> Service Lines Other: Gas and Oil<br />
II. <strong>Technology</strong> Parameters<br />
Service Application Pressure - water, wastewater, oil and gas<br />
Service Connections No service connections directly to the liner. A special connector (<strong>for</strong> high<br />
pressure applications) is needed at end to join liner, via a flange or weld, to steel<br />
Structural Rating<br />
Claimed<br />
Materials <strong>of</strong><br />
Composition<br />
Diameter Range,<br />
inches<br />
Thickness Range,<br />
inches<br />
pipe or fitting.<br />
Class IV, but relies upon host pipe to carry external loads.<br />
The Primus Line is made <strong>of</strong> a low weight fibre woven hose. The hose is<br />
constructed <strong>of</strong> seamless interweaving <strong>of</strong> Kevlar fibre with an inner and outer<br />
coating. The inner coating is a thermoplastic which is smooth and resistant to<br />
many media. For water and sewer applications the inner coating is PE, <strong>for</strong> oil and<br />
gas applications the coating is TPU. The outer coating is wear-resistant PE.<br />
Kevlar fibre has a tensile strength <strong>of</strong> 2,920 N/mm 2 , or 8 times that <strong>of</strong> steel.<br />
6-20 inches (150-500 mm)<br />
0.24 inches (6.5 mm)<br />
A-64