Urbanization and Extreme Weather Effects: How Stormwater Detention, Retention and Infiltration Can Mitigate Impacts

1© 2015 Armtec LP • Confidential & Proprietary

Tony Tekly, P.Eng.Region Engineer Manager

ArmtecDrainage Solutions

Ramtin ZojajiSales Representative

ArmtecDrainage Solutions

URBANIZATION AND EXTREME WEATHER EFFECTS: HOW STORMWATER DETENTION, RETENTION AND INFILTRATION CAN HELP

FRIDAY OCTOBER 23, 2015 / 9AM PST / 11AM CST / 12PM EST

TECHNICAL WEBINAR


Armtec is one of Canada’s largest infrastructure company 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.

ABOUT ARMTEC


Stormwater & Wastewater Management

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Highway Barriers & Safety Products

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SECTORS

Armtec specializes in all infrastructure markets and segments and can help with any project to ensure you have the right products for the job. Our people have extensive experience and access to resources all across the country, and can help with all facets of product selection, installation and support.

Stormwater Solutions

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ABOUT ARMTEC


Armtec Drainage Solutions’ centralized engineering department consists of design engineers, a drafting team, and estimators.

Additionally, professionally licensed Region engineers are located in all Market Areas across the country.

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7© 2015 Armtec Infrastructure Inc. • Confidential & Proprietary

Actual2014

Employees

Locations

1,690

43

DRAINAGE SOLUTIONS & PRECAST CONCRETE SOLUTIONS

Drainage Locations

Precast Locations

ABOUT ARMTEC


YOUR SPEAKERS

Tony Tekly, P.Eng.Region Engineer ManagerArmtec, Drainage [email protected]

Ramtin ZojajiSales RepresentativeArmtec, Drainage [email protected]


AGENDA

Urbanization and Extreme Weather Effects: How Stormwater detention, retention and infiltration can help

1. Overview

2. Detention / Retention

3. Infiltration

4. Stormwater Treatment



OVERVIEW


OVERVIEW – EXTREME WEATHER


Peterborough Toronto


OVERVIEW – EXTREME WEATHER


MontrealCalgary


OVERVIEW - URBANIZATION


Vancouver 70’s Vancouver Now


OVERVIEW - URBANIZATION


Toronto 70’s Toronto Now


ARMTEC LINEUP


SW Treatment

Detention Retention

CSP/UF HDPE SRPE



CORRUGATED STEEL PIPE /ULTRA FLO


Description: Helical locked seamed corrugated steel pipe (CSP)Manufacturing Standard: CSA G-401Diameters: 150 to 3600mmThickness: 1.6, 2.0, 2.8, 3.5 and 4.2mmCorrugations: 38 x 6.5mm (150 to 250)

68 x 13mm (300 to 1800) 125 x 25mm (1400 to 3600)

Length: 6 and 9m, up to 15m (not re-rolled)Manning Coefficient: 0,012 à 0,025Coating: Galvanized

Aluminized type IIPolymer coated

HEL-COR PIPE



HEL-COR PIPE - CORRUGATIONS



Description: Locked seamed spiral rib steel pipeManufacturing Standard: CSA G-401Diameters: 450 to 2600mmThickness: 2.0 and 2.8mmCorrugations: 190 x 19mm (Rib)Length: Up to 9mManning Coefficient: 0,013Coatings: Galvanized

Aluminized type IIPolymer coated

ULTRA-FLO PIPE



ULTRA-FLO PIPE - RIBS



Galvanized Steel25 to 50 years

Aluminized Type IIUp to 75 years

Polymer-Laminated100+ years

COATINGS



Click icon to add picture


POLYMER-LAMINATED (TRENCHCOAT)

TRENCHCOATThe Strength of Steel

The Durability of Plastic



COATINGS



HEL-COR & ULTRA-FLO FITTINGS



PLAIN END CSP COUPLERS

Standard CouplerHugger Band Coupler




HIGH DENSITY POLYETHYLENE CORRUGATED PIPE


HDPE CORRUGATED PIPES

Raw material• Virgin HDPE resin compliant with the ASTM D3350 standard• Recycled HDPE resin• Carbon black (2% min) to protect against UV radiation



BOSS 2000 & BOSS POLYTITE

Description: Dual-wall semi-rigid corrugated HDPE pipe with smooth interior.Manufacturing Standard: CAN/CSA-B182.8, BNQ 3624-120

CAN/CSA-B182.6 (Polytite)Diameters: 100 to 900mmLength: 6mStiffness: 210 and 320 kPaJoints: Bell & Spigot, Split Coupler, Double Bell SnapTypes: Solid / PerforatedManning Coefficient: 0.012



BOSS JOINING SYSTEMS

WATER TIGHTSOIL TIGHT

Ultra-Stab 75 Coupler (CSA B182.8)BOSS 2000 (100mm – 900mm)75 kPa

Ultra-Stab 100 Coupler (CSA B182.6)BOSS Polytite (100mm – 740mm)100 kPa



PLAIN END HDPE COUPLERS

Split CouplerMar Mac Coupler



HDPE PIPES 1050, 1200 & 1500 MM

Description: Dual-wall semi-rigid corrugated HDPE pipe with smooth interior.

Manufacturing Standard : AASHTO M294Diameters: 1050, 1200 and 1500mmLength: 6.1 mStiffness: 179 kPa (1050mm), 145 kPa (1200mm) and 95 kPa (1500mm)Types: Solid / PerforatedJoints: Bell & SpigotManning Coefficient: 0.012



HDPE FITTINGS



HDPE FITTINGS

Available Fittings

• 22.5°, 45° et 90° Elbows• Tee, Reducing Tee• Crosse• 45° “Y”• Reducer• End Cap• Inserta Tee• Beveled End• Manhole Adaptor• Transition Coupling• Risers



HDPE MANHOLES

Triple-Wall ManholeDual-Wall Manhole




STEEL REINFORCED HDPE PIPE (SRPE)


DUROMAXX



DUROMAXX

Description: Steel Reinforced HDPE Ribbed Pipe (SRPE)Manufacturing Standard: ASTM F2562Diameters: 900 to 3000mmLength: 4,3 and 7,3m (standards), custom lengths up to 15mManning Coefficient: 0,012

Plain Ends, Bell & Spigot



Soil Tight Culvert Joints – Plain end pipe with flat steel bandsNot watertight

Low Head – Non-reinforced bell & spigot ends (1050mm-1800mm)Water-tight to 3 psi

High Performance – Reinforced bell & spigot (1050mm-1800mm)Watertight to 15 psi

Electro Fusion – Plain end pipe with flat steel alignment bands and interior extrusion welded coupler (1050mm-3000mm)

Watertight to 35 psi

DUROMAXX JOINING SYSTEMS



DUROMAXX BELL & SPIGOT



DUROMAXX ELECTROFUSION




DETENTION / RETENTION


DETENTION VS RETENTION


DetentionRetention


DESIGN & CONSTRUCTION CONSIDERATIONS

• Hydrology• Hydraulics• Storage requirements• Footprint• Structural design• Installation• Maintenance• Inspection• Cleaning




COMPONENTS



COMPONENTSCrossover

Outlet Bulkhead / Riser

Header / Riser



VERSATILITY



VERSATILITY



VERSATILITY



CSP / UF DETENTION TANK



HDPE DETENTION TANK



SRPE DETENTION TANK



DESIGN TOOL



CHAMBERMAXX


CHAMBERMAXX

Plastic open-bottom infiltration chambers• Cost effective for shallow applications • Recharge the water table• LEED – 6.1 and/or 6.2 credit and Considered a LID solution• Reduce and/or eliminate site runoff• Manufactured according to ASTM 2418-05




COMPONENTS



COMPONENTS



STRUCTURAL DESIGN

• Full scale in-ground burial tests• Live Load: HS-20 / HS-25• Design: AASHTO LRFD• Minimum cover: 18”• Max cover: 10’• Minimum Chamber Spacing: 5’’


CHAMBER DIMENSIONS

DimensionsAverage Length: 2169 mmSpan: 1306 mmRise: 770 mm

Volume1,003 m³/l.m. (including Surrounding stone)*


770 mm

1306 mm



HEADER PIPE

Made of Elbows and TeesMar-Mac CouplersDiameter : 300, 375, 450 or 600 mmCutting Guide on the chambers




INSPECTION PORTS

• PVC Pipe 100Ø mm• Cast Iron Ring and cover• Minimum 1 Port per system• 1 Port per containment Row



PRE-TREATMENT

VORTECHS VORTSENTRY



CONTAINMENT ROW



CONTAINMENT ROW



CHAMBERMAXXTYPICAL INSTALLATION



TYPICAL INSTALLATION SECTION



TYPICAL INSTALLATION

Installation Sequence

1. Excavation2. Subsurface preparation3. Install the Geotextile4. Install the washed stone below the

chambers5. Install the header pipe6. Install the scour protection netting 7. Install the chambers8. Backfill with the washed stone9. Place the geotextile10. Backfill the remaining fill with well

compacted layers of 200mm each.































MANUFACTURING

• Injection molded • Structurally superior resin• Superior quality• Integrated end wall• No recycled material, no soy • 20/20 in Holiday City, OH (NW)



DESIGN TOOL

Project Summary

Date:Project Name:City, Province:Designed By:Company:Telephone:

ChamberMaxx CalculatorStorage Volume Required (m3): 250.0Chamber Invert Depth Below Asphalt (m): 2.20Limiting Width (m): 15.0Porous Stone Backfill Included For Storage: YesDepth A: Porous Stone Above Chamber (mm): 152Depth C: Porous Stone Below Chamber (mm): 152Stone Porosity (0 to 40%): 20

System Sizing Use Custom Layout (at right) for layout adjustment Additional Units Required = 0 Custom LayoutRequired Chambers: 139 Chambers To adjust layout, select the appropriate number of chambers in the light blue boxes below.

Chamber Storage: 194.7 m3 14 14 14 14 14 14 14 14 14 13Porous Stone Storage: 60.6 m3

Total Storage Provided: 255.3 m3 102.1% of Req'd StorageRectangular Footprint (W x L): 14.82 m x 32.65 m

CONTECH MaterialsChamberMaxx Middle Units: 119 Chambers @ 2.17m installed lengthChamberMaxx Start Units: 10 Chambers @ 2.44m installed lengthChamberMaxx End Units: 10 Chambers @ 2.26m installed lengthManifold Fittings (1 manifold): 9 ea Tees and 1ea ElbowScour Protection Netting: 15 m long x 2.3 m wideApproximate Truckloads: 1 Trucks

Construction QuantitiesTotal Excavation: 1138 m3

Stone Backfill: 303 m3 stoneRemaining Backfill To Grade: 641 m3 backfill per specificationsNon-Woven Geotextile: 644 m2 for top and sides of excavation

**Construction Quantities are approximate and should be verified upon final design

0.823

Enter Information in Blue Cells

Number Of Cells Exceed Graph Limitations

Waterway Area (m2)

0

10

20

30

40

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20Cells

Leng

th (m

)

For design assistance, drawings, and pricing send completed worksheet to:

[email protected]



STORMWATER TREATMENT


RECAP - THE RATIONALE

Forests, meadows, farmland

into

Result: Increased Runoff

Pavement, rooftops, parking lots, concrete surfaces



ADVERSE IMPACTS OF INCREASED RUNOFF

Two Negative Effects:

Increase in amount of water flowing to adjacent rivers and streams (quantity)

Increase in amount of pollutants carried to these waterways (quality)



VORTECHS – HYDRO DYNAMIC SEPARATOR

Shallow Profile High Flow Hydrodynamic SeparatorURBANIZATION AND EXTREME WEATHER EFFECTS: HOW STORMWATER DETENTION, RETENTION AND INFILTRATION CAN HELP


VORTECHS – TARGET POLLUTANTS

Trash & Debris

Oils and Hydrocarbons

Sediment – Coarse and Fine Sand


http://www.google.ca/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRxqFQoTCOqckLeCqsgCFYVxPgodS3QJog&url=http://klorotechpavers.com/water-pollution-can-help/&bvm=bv.104317490,d.cWw&psig=AFQjCNHmUqFpEZQfcVCwwGAubqmjOtg-3g&ust=1444089373289154

http://www.google.ca/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRxqFQoTCK34rvWCqsgCFcVYPgodsjwHvA&url=http://rvcog.org/MN.asp?pg%3DNR_Stormwater_General&bvm=bv.104317490,d.cWw&psig=AFQjCNE_PnAgf0b-o-3hFpiuBMj_Ymvqlg&ust=1444089486330555

http://www.google.ca/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRxqFQoTCP_S8vSBqsgCFUxXPgodYj8KTg&url=http://www.bluewaterbaltimore.org/blog/support-the-stormwater-fee-in-three-minutes-or-less/&bvm=bv.104317490,d.cWw&psig=AFQjCNF9oz6JbB_0Nz4v7dVWFEbh1M8gMg&ust=1444089255121279


VORTECHS – MODE OF OPERATION



VORTECHS - BENEFITS


• Can achieve 80 % removal efficiency of 50 micron Total Suspended Solid (TSS) particle size

• Online and offline configurations• Precast or cast-in-place

• Shallow profile and unique horizontal design

• Conflicts with bedrock, ground water and underground utilities can be avoided

• Inspection and Maintenance – Unobstructed access & easy


APPROVAL & ACCEPTANCE

•Ministry of the Environment & Climate Change, (MOECC) -100 % Approval Record •The Road Authority•City of Toronto – Wet Weather Flow Management Guidelines•Lake Simcoe Region & Conservation Authority •Toronto Region & Conservation Authority •Region of Durham•New Jersey Department of Environmental Protection, (NJDEP)



VORTECHS – MAINTENANCE



VORTECHS INSTALLATION OTTAWA AIRPORT, ON



VORTECHS CIP INSTALLATION TORONTO, ON



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Todays Speakers:

Tony [email protected]

Ramtin [email protected]

Engineering

Urbanization and Extreme Weather Effects: How Stormwater Detention, Retention and Infiltration Can Mitigate Impacts