1. Corrugated Metal Pipe (CMP)
Addressing an Aging Infrastructure

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Aging CMP
As with all things, corrugated metal has a life span or service life.
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Aging CMP
If unmonitored, this favored pipe for storm drain applications can catch you off guard causing unnecessary emergency repairs or replacement costs.
Copyright 2012 Southeast Pipe Survey, Inc.

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Aging CMP
There are differing schools of thought on the exact lifespan ranging from 20, 30, or even 40 years. The location of the installed pipe can drastically reduce its lifespan.
20 years
30 years
40 years
Warning!
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Aging CMP
For example, on the coasts where salt or brackish water is prevalent, the life can be reduced depending on whether the pipe is coated or just galvanized.
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Aging CMP
Also, acidic soils can accelerate the deterioration of corrugated metal pipe.
Copyright 2012 Southeast Pipe Survey, Inc.

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Aging CMP
Applications where running water is constant, such as in hilly or mountainous areas, can erode the invert of the pipe.
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Inspect the System
Based on our experience, we recommend that any corrugated metal pipe be inspected at the 20 year period or sooner, depending on the function of the pipe.
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What to Expect
Corrugated metal pipe will eventually deteriorate, causing total failure which will require replacement.
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The Road Ahead
If the pipe is inspected early on, rehabilitation can be performed with a budgeted and planned approach, which can dramatically reduce costs.
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The Road Ahead
Because we’re able to perform most rehab without digging, we can get to those “hard to get to” areas and perform our work underground with fewer disruptions to your business or community.
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12. Schedule an Inspection
Don’t wait for a complete failure. Call us today and schedule an inspection of your sanity sewer and/or stormwater pipe network.
Copyright 2012 Southeast Pipe Survey, Inc.