Do you have high
risk water main pipelines?
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Do you know
the condition of your water main pipelines? Do you want
to extend the life cycle of your existing pipelines? Do
you want to save money by not having to needlessly
replace good pipelines? |
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PICA is a
company that can help identify the condition of your
pipelines using it's patented state of the art Remote
Field Technology (RFT) See Snake tool. Join the growing
list of water and waste water companies around the world
who have used our service. To date PICA has inspected
660,000' (200 kms) of water mains using the Hydroscope
technique. |
Identify the problem to help save you money.
In a 2007 report released by the Environmental Protection Agency
(EPA), an estimated 240,000 water main breaks per year in the
United States. The number of breaks increase substantially near
the end of the system's service life. Large utility breaks in
the Midwest increased from 250 per year to 2,200 per year during
a 19-year period.
The US Geological Survey estimates that water lost from water
distribution systems is 1.7 trillion gallons per year at a
national cost of $2.6 billion per year.
Click on
graphics to enlarge (gallons (l.h.s) and litres (r.h.s.))
This simple estimation model is based on a formula presented in
the following publication: The Texas Water Development Board: "A
Guidebook for Reducing Unaccounted-for Water".
| The
See Snake Tool solution. |
| There is
a demand in the market for improved probability of
detection (P.O.D.) and exceptional accuracy for sizing
of corrosion pits. Competing tools that use Magnetic
Flux Leakage (MFL) require intimate contact with the
pipe wall in order to achieve acceptable flaw sizing.
Unfortunately many pipelines have internal deposits of
wax, scale or sand and others are lined with cement
mortar, epoxy or polyethylene, preventing the effective
use of MFL tools. See Snake technology, on the other
hand, requires no contact with the pipe wall, and can
measure through scale, wax and non-magnetic liners. In
fact, See Snake tools have a minimum clearance of 0.250”
(6.3mm) to allow passage of the tool past weld roots,
dents and internal deposits. |
The See Snake Tool advantage.
1. Non-contact NDT method.
2. Equally sensitive to internal and external flaws.
3. Complete coverage at fast inspection speeds.
4. Accurate results that identify both the severity and location
of areas of wall thinning.
5. Novel mechanical design can accommodate ID variations as well
as traverse sharp bends.
6. Compact and transport friendly.
Adept Pro Software
See Snake data analysis is semi-automatic and a report is
created as the analysis is being performed. Depending on the
line condition, analysis and reporting can be done in the
field, but is usually done the next day, off-site, to reduce
labour costs.
The multi-channel See Snake Tools inspect 360° of the pipe.
The data is displayed as color map, strip-chart logs and
voltage planes. The screen capture below shows two pits at 6
o’clock.
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information
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