CMP Detention
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CONTECH CMP Cost-effective Stormwater Detention/Retention

Corrugated metal pipe (CMP) underground detention/retention systems can be sized and shaped to meet most site-specific storage needs. The versatile material provides almost limitless opportunities to match individual site requirements while lowering site development costs. Variable sizing, material economy, faster installation, and durability combine to make corrugated metal detention systems an economical method for controlling stormwater runoff.

 CONTECH CMP
CONTECH CMP Benefits

CMP can also be used as an efficient underground retention system. Perforated CMP pipe is surrounded by very porous materials such as uniformly graded stone. Typically, the same types of materials used around subdrainage pipes are excellent for recharge systems.

CMP Benefits:

  • Flexible configurations and pipe coatings are adaptable to site-specific footprints and conditions.
  • Available in larger diameters than other materials
  • Provides the most cubic feet of storage per linear foot
  • Lightweight, cost-effective material offers the least cost per cubic foot of storage
  • Less excavation means quick, simple installation
  • Easy to access for inspection and maintenance

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