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

Technology/Method Woven Hose Lining/Adhesive
Structural Rating
Claimed
Class IV (AWWA M28 Manual) fully structural independent liner
• Composite of woven seamless textile jacket with resin and polymeric
membrane
Materials of
Composition
• Aqua-Pipe is composed of two concentric, tubular, plain woven polyester
jackets with a polymeric membrane bonded to the interior to ensure water
tightness.
• The liner is impregnated with a specific thermoset epoxy resin that allows a
tight bond between the liner and the host pipe.
Diameter Range,
inches
6 to 12 inches
Thickness Range,
inches
3 to 6 mm
Pressure Capacity,
psi
Maximum operating pressures up to 150 psi
Temperature Range,
o
F
35 o F to 100 o F
Renewal Length, feet
Up to 500 feet (150 meters) between access pits.
The distance between access pits determines the length of the segment.
Other Notes Hazen-Williams coefficient > 120
III. Technology Design, Installation, and QA/QC Information
Product Standards
Aqua-Pipe is certified by NSF to NSF/ANSI 61 and under BNQ Standard 3660­
950.
Design Standards
The mechanical properties of Aqua-Pipe exceed ASTM F1216 and ASTM F1743
recommendations.
Design Life Range 50+ years
Installation Standards
Aqua-Pipe is precisely aligned with the host pipe's point of entry and pulled
through to the exit point.
The shaping of Aqua-Pipe is achieved by pushing a pig through the hose using
water pressure. Circulating hot water ensures the curing process. Pulled-in-Place
Piping (PIPP) method.
Installation
Methodology
This product requires the following cure time, temperature, and flush:
• Day 1: Cure 1.5 hours at 65°C and 25 psi water pressure, then cure for
12 hours at ambient temperature and 50 psi water pressure
• Day 2: Flush at 2.8 liters per minute for 24 hours at ambient temperature
• Day 3: Cure for 24 hours at ambient temperature
QA/QC
Requires a 1 hour flush with potable water prior to being placed into service.
No special procedures beyond standard manufacturer’s recommendations
IV. Operation and Maintenance Requirements
O&M Needs
No particular maintenance needs; Pressure or dry taps for future service
connections can be easily carried out with no special equipment
Repair Requirements
for Rehabilitated
Sections
Typically need to cut out defective pipe section and replace with new pipe.
V. Costs
List of parameters or key drivers for the costs.
Set-up cost: mobilization, temporary by-pass installation, pit excavation &
Key Cost Factors backfill, pipe cleaning & inspection, service plugging & reinstatement, lining,
testing, disinfection & site restoration
Material costs: liner, resin, new pipe & fittings including valves and hydrants
Case Study Costs
Hamilton = $133/feet (35% savings); Toronto = $137/feet (50% savings);
Naperville = $186/feet (see case study)
VI. Data Sources
References http://www.sanexen.com/en/aquapipe/index.htm
http://www.sanexen.com/en/aquapipe/tech_info_product.htm
Communication with Valerie Belisle, Michael Davison and Joseph Loiacono
A-61