Extensive urbanization and extreme weather conditions such as heavy rains and floods have increased the frequency, magnitude, volume and pollution of storm runoff. How detention, retention, infiltration and treatment solutions can minimize the effects of storm runoff, using a variety of materials.

1. Armtec Drainage Solutions
STORMWATER SOLUTIONS

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© 2015 Armtec LP • Confidential & Proprietary
ABOUT ARMTEC
Armtec is one of Canada’s largest infrastructure
companies supplying precast, corrugated steel and
HDPE products and solutions. Every day, our proven
products, engineered solutions and dedicated people are
counted on to support construction and infrastructure
projects in communities everywhere. With a national
presence and a local focus on exceptional customer
service, we are dedicated to building excellence.

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© 2015 Armtec LP • Confidential & Proprietary
Stormwater & Wastewater
Management
Underground Utilities Water Control
PRODUCT CATEGORIES
Highway Barriers &
Safety Products
Bridge Materials Landscape & Amenities Parking Structures Pipe & Culverts
Precast Building Systems Septic & Holding Tanks Soil Retention &
Stabilization
Soundwall SystemsPrecast Concrete Steps
ABOUT ARMTEC

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© 2015 Armtec LP • Confidential & Proprietary
STORMWATER DETENTION SYSTEMS
WITH CORRUGATED STEEL PIPES

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© 2015 Armtec LP • Confidential & Proprietary
WHY STORE RAIN WATER (RUNOFF)?
AREAS WITHOUT STORMWATER DETENTION SYSTEMS

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© 2015 Armtec LP • Confidential & Proprietary
WHY STORE RAIN WATER (RUNOFF)?
What happens to the runoff?
Pre-development:
o Absorbed into the ground (if pervious)
o Finds its way to watercourses - slowly
o Evaporates
Post-development:
o Trapped above ground
o Follows the slope to collection points
o Moves very fast

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WHY STORE RAIN WATER (RUNOFF)?
The ideal situation
o The discharge from a post-
development site should not
exceed the discharge from the
same site, pre-development
o Temporary storage is used to
manage the accumulated runoff

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WHY STORE RAIN WATER (RUNOFF)?
Types of Stormwater Storage
oOpen Ponds
oFlat roofs
oPermit ponding at surface
oUnderground systems

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© 2015 Armtec LP • Confidential & Proprietary
WHY STORE RAIN WATER (RUNOFF)?
The Benefits of Underground Detention
o Flexible configurations
o Water quality applications (filtration, infiltration)
o Can be used with other measures or systems (eg Water Quality)
o Allows better use of the site
o Cost effective (compared to the cost of lost opportunity)
o Concealed
 not an eye sore
 improved safety & reduced liability potential
 but - must be inspected

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WHY STORE RAIN WATER (RUNOFF)?
Applications
o High land values
o Limited space
o Narrow right-of-way
o Porous soils
o System retrofit
o Typically for up to 15 hectare sites
Armtec systems are concealed below parking area

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© 2015 Armtec LP • Confidential & Proprietary
HOW CAN ARMTEC HELP?
o We provide runoff storage solutions
o SWDS – Stormwater Detention
Systems
o SWDRS – Stormwater Detention
and Recharge Systems
o In CSP – include large systems
with M-PL
o In Ultra Flo
o In HDPE

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© 2015 Armtec LP • Confidential & Proprietary
HOW CAN ARMTEC HELP?
System components
Inlet / Entrance Header / manifold Barrels / runs of pipe
Manholes Flow Regulation /
Release Structure
Perforated Pipe for Re-
charge

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© 2015 Armtec LP • Confidential & Proprietary
HOW CAN ARMTEC HELP?
Projects
Stormwater Solution For YVR Employee Parking Lot Chapters Book Store parking - Pinecrest Mall, Ottawa
WalMart - Maryland Sports Field Water Catchment and Storage - Bermuda

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© 2015 Armtec LP • Confidential & Proprietary
HOW CAN ARMTEC HELP?
Projects – Stormwater Detention in Aruba

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© 2015 Armtec LP • Confidential & Proprietary
HOW ELSE CAN ARMTEC HELP?
More information you can find:
o Our webinars:
https://www.armtec.com/video/stormwater-solutions-tutorial/
https://www.armtec.com/event/storm-sewer-culvert-solutions-webinar/
o Upcoming webinars:
“Urbanization and Extreme Weather Effects: How Stormwater detention,
retention and infiltration can help”
Register now:
https://www.armtec.com/event/urbanization-and-extreme-weather-effects-
how-stormwater-detention-retention-and-infiltration-can-help/

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© 2015 Armtec LP • Confidential & Proprietary
HOW ELSE CAN ARMTEC HELP?
 We have experience and history
 We have tools
 Underground Stormwater Detention System Software
Contact with us:
Armtec International

17. Armtec Drainage Solutions