tunnel liners, relines and rehabilitation

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© 2013 Armtec Infrastructure Inc. • Confidential & Proprietary

Webinar

TUNNEL LINERS, RELINES & REHABILITATION

May, 2014

Patrick Biro, P.Eng.

Dave Groot

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JOIN THE DISCUSSION

• During the session you can use this button to ‘Raise Your Hand’ if you have a question.

• If there are more questions than can be answered during a session, the Organizer may ask that you type in questions in the ‘Question Log’ so that they may be addressed later, via email.

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CPD CREDIT CERTIFICATES

• Qualifies in Most Jurisdictions in Canada & USA for 1 Hour Technical Informal

• Formal completion certificates are emailed within one week of attending

• Check your local guidelines if unsure of your requirements

Email Your Attendance List:

• Full Name• Title• Email

[email protected]

Will send certificate

mailto:[email protected]

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YOUR HOSTS

Patrick Biro, P.Eng.Business Development Engineer,

Western Canada

• Patrick completed his Bachelor’s Degree in Civil Engineering at McMaster University in April of 2001.

• Patrick has more than 10 years of experience with the design of buried steel structures.

• Patrick is currently one of Armtec’s regional Business Development Engineers for Western Canada .

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YOUR HOSTS

Dave GrootSenior Sales Representative,

Central Canada

• Dave has 20 years experience with Drainage Products and 14 years as a Sales Representative with Armtec’s Drainage Solutions based in Ontario.

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• 43 locations in Canada• Approximately 2,000 employees• Exceptional product range for:

Armtec is a leading global infrastructure and construction materials company.

Rail & Road Infrastructure

Ports & Marine

Land Development

Mining & Energy

Forestry

Agriculture

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Bridge MaterialsDrainage Solutions

and Water Treatment

Landscaping Products

and Amenities

Noise Control

Road and Highway Safety Soil Retention

Undergroundand Utilities

Precast ConcreteBuildings and

Venues

Precast ConcreteGarages and

Parkades

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PRESENTATION OUTLINE

1. Trenchless concepts• Tunneling• Relining

2. Trenchless solutions by Armtec• Structural plate• Metal pipe• Plastic pipe• Spiral wound pipe

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Tunnel Liners, Relines & Rehabilitation

1. TRENCHLESS CONCEPTS

TRENCHLESS BY ARMTEC

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TRENCHLESS CONCEPTS

• Trenchless construction is a subsurface installation that does not require open cut excavation

• Trenchless technology can be used for:

1. New construction (tunneling)

2. Rehabilitation (relining)


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TRENCHLESS CONCEPTS

• Trenchless technology is a growing industry due to the many benefits vs. open-cut excavations

• Aging infrastructure is also putting a demand on replacement and rehabilitation of existing structures

• More than half of Canada’s infrastructure is 40+ yrs. old

• Almost a third of Canada’s municipal water infrastructure is approaching its service life


(FCM – 2007).

(Tarek et al.- 2003).

a

b

a

b

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Trenchless

TRENCHLESS CONCEPTS

Open Cut


Vs.

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Trenchless

• Minimal to no traffic or business disruption

• Reduced impact to local environment

• Excavation & hauling material not required

• Minor to no impact to road surface

• Worker safety improved

• Trenchless is green

TRENCHLESS CONCEPTS

Open Cut

• Reduced or re-routed traffic; disruption to local business

• Impact to local environment (dust, silt, other contamination)

• Potentially high cost of excavation, hauling

• Disturbed road surface affects pavement quality

• Worker safety at greater risk


Vs.

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TRENCHLESS CONCEPTS

Trenchless is Green


• Trenchless eliminates the need of running excavation equipment

• Trenchless eliminates the need for moving and hauling excavated material

• Overall reduction in equipment/vehicle emissions

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TRENCHLESS CONCEPTS

Tunneling

• Tunneling is a subsurface excavation commonly used for new construction in mining & infrastructure applications

• Tunnels can be constructed using a wide variety of trenchless technologies including:

• Steel liners• Precast liners• Sprayed concrete (shotcrete)• Pipe jacking


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TRENCHLESS CONCEPTS

Tunneling

• Tunneling typically involves a staged excavation & installation process:

1. Excavate tunnel as allowed per soil conditions

2. Install rings of liner

3. Pump grout between liner and excavated tunnel

Voids must be filled to perform as a structural liner

4. Repeat steps

• Geotechnical or tunneling engineer is required• Contractor experienced in tunneling is recommended


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TRENCHLESS CONCEPTS

Tunneling


Armtec Tunnel Liner Plate tunnel installations.

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TRENCHLESS CONCEPTS

Tunneling

• Tunneling can also include vertical shaft construction


Armtec Tunnel Liner Plate shaft installations.

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TRENCHLESS CONCEPTS

Relining

• Relining is the installation of a new surface to an existing structure to provide either a facial or structural restoration

• Aging tunnels or culverts experiencing cracking, spalling, or corrosion may require a new surface to prevent further deterioration

• Deteriorated structures in danger of failing may require a fully structural reline


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TRENCHLESS CONCEPTS

Relining

• Culvert relines typically involve a sliplining process:

1. Slide coupled or pre-assembled pipe liner into the existing pipe

2. Utilize bracing or blocking to hold structure into place

3. Pump grout between new and existing structure

Voids must be filled to perform as a structural liner

• Flanged liner plates can be assembled in place*


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TRENCHLESS CONCEPTS


Shop-installed screw-jacks used for bracing.Sliding CSP reline pipe into place.

Relining

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TRENCHLESS CONCEPTS


Relining

Installation crew injecting grout through shop-installed grout ports.

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Tunnel Liners, Relines & Rehabilitation

2. TRENCHLESS SOLUTIONS


BY ARMTEC

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TRENCHLESS SOLUTIONS


Pipe & Culvert Solutions

Open Cut – New or Replacement

Trenchless

Tunneling – New construction

Relining - Rehabilitation

Tunnel Liner Plate

Various Armtec pipe & culvert

solutions Structural Plate

CSP grouted liner

HDPE & PVC grouted liner

Spiral-wound

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PLASTIC

• BOSS 2000

• DuroMaxx

• A2 Liner Pipe

• Spiral Wound

• InnerFlow

TRENCHLESS SOLUTIONS

METAL

• Structural Plate

• Corrugated Steel Pipe


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STRUCTURAL PLATE

Multi-Plate


Tunnel Liner Plate

Polymer-coated Multi-Plate reline of existing Multi-Plate - before.

Aluminum Tunnel Liner Plate reline of existing Multi-Plate - before.

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STRUCTURAL PLATE

Multi-Plate


Tunnel Liner Plate

Polymer-coated Multi-Plate reline of existing Multi-Plate - after.

Aluminum Tunnel Liner Plate reline of existing Multi-Plate - after.

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STRUCTURAL PLATE

Multi-Plate

• Bolted corrugated plate• Assembled outside & slip-lined• Grouted in place• Structural liner• Reline drainage pipe, water

crossing structures• Standard round, elliptical, arch

shapes


Tunnel Liner Plate

• Bolted 2-flange liner plate• Assembled from the inside• Grouted in place• Structural liner• Reline drainage pipe & water

crossing structures• New construction of tunnels

and shafts• Wide variety of custom shapes

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STRUCTURAL PLATE

Multi-Plate


Tunnel Liner Plate

Multi-Plate being assembled outside of existing structure, prior to sliplining.

Lift equipment inside Tunnel Liner Plate structure during assembly.

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TUNNEL LINER PLATE


2-Flanged liner – Armtec Tunnel Liner Plate.

Pressure-grouting via shop-installed grout ports.

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TUNNEL LINER PLATE


Liner plate being assembled inside existing culvert.

View of bracing required for assembly & grouting.

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STRUCTURAL PLATE

• Galvanized steel• Polymer-coated steel• Aluminum


Galvanized steel plate. Strata-CAT polymer-coated steel plate.

Aluminum plate.

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TUNNEL LINER PLATE

• Custom shapes• Open-bottom structures


Facial reline of archway. Structural reline of CIP concrete structure.

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TUNNEL LINER PLATE

• More custom shapes!


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TUNNEL LINER PLATE


Creek Reline; Huron County, ON

1900mm span TLP Arch

Design Challenges:• Deteriorating structure with bend in it• Hydraulic capacity

Solution:• Tunnel Liner Plate reline

• 31 meters of 1900mm span x 900mm rise• Shop-fabricated elbow included

Full Engineering Support:• Full structural reline w/ grouting lift recommendations

Outcome:• Tunnel Liner Plate selected for constructability• 1200mm jacked pipe offsets loss in hydraulic capacity

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TUNNEL LINER PLATE


Creek Reline; Huron County, ON

TLP Arch

View from inside of Tunnel Liner Plate reline.

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CORRUGATED STEEL PIPE

Hel-Cor


Ultra Flo

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Hel-Cor

• Corrugated steel• Assembled outside & slip-lined• Grouted in place• Structural liner• Reline drainage pipe• Round & arched pipes


Ultra Flo

• Spiral rib• Assembled outside & slip-lined• Grouted in place• Structural liner• Reline drainage pipe• Round pipes

• Superior hydraulic properties

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ULTRA FLO

• Available in 450-2600 mm dia.• Smooth inner wall has

improved hydraulic properties• Manning’s n = 0.013

(Comparable to concrete pipe)

Example:• Reline existing 1200 mm CSP

with 1000 mm Ultra Flo• Achieve 95% of existing flow


View from inside of spiral rib pipe.

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ULTRA FLO


Triple Reline; North Vancouver, BC

1200mm dia. Ultra Flo

Design Challenges:• Aging pipes in need of repair• Open-cut excavation not possible• Reduced hydraulic capacity

Solution:• Ultra Flo reline

• 3 runs of 1200mm dia. pipe• End treatments beveled

Outcome:• Ultra Flow pipe selected for smooth inner wall• Concrete ends beveled to improve hydraulics• Minimized impact on hydraulic capacity

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ULTRA FLO


Triple Reline; North Vancouver, BC

1200mm dia. Ultra Flo

Full view of triple Ultra Flo reline.

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• Galvanized steel• Aluminized (Type 2) steel• Polymer-laminated steel

(Hel-Cor only)


Galvanized. Aluminized Type 2 (ALT2).

Trenchcoat polymer-laminated.

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HDPE & PVC

High Density Polyethylene (HDPE) & Polyvinyl Chloride (PVC)

• Long service life (100+ yrs.)• Highly immune to corrosion & resistant chemical attack• pH range of 2 - 12• Resistant to abrasion (HDPE is the best!)• Lightweight (high strength-to-weight ratio)


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• Available in 100-900 mm dia.• 6 m standard length• Smooth inner wall• Bell & gasket joints (75 kPa)

• Manning’s n = 0.012

BOSS 2000

• Corrugated HDPE pipe• Slip line installation• Reline small dia. storm sewer

& drainage pipe


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DUROMAXX

• Steel-reinforced HDPE pipe• Galvanized steel ribs

completely encapsulated in HDPE layer

• Available in 750-3000 mm dia.• 4.27 m & 6.7 m std. lengths• Smooth inner wall• Bell & gasket joints (75 kPa)

up to 1800 mm dia.• Welded joints (100 kPa)

available in larger diameters

• Manning’s n = 0.012


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DUROMAXX

• Slip line installation• Low-profile ribs reduces OD• Reline sanitary sewer, storm

sewer & drainage pipe


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DUROMAXX


Simms Creek Reline; Campbell River, BC

3000mm SRPE

Design Challenges:• Rapid installation• Existing culvert condition

Solution:• DuroMaxx Reline Pipe

• 26.2 meters In 3000mm diameter

Full Engineering Support:• On-site installation support

Outcome:• Materials RFP and engineering and financial

comparison review • DuroMaxx Technology selected

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DUROMAXX


Simms Creek Reline; Campbell River, BC

3000mm SRPE

DuroMaxx pipe being slid into place.

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A2 LINER PIPE

• Corrugated PVC liner pipe• Similar benefits as with HDPE• Slip line installation• Very low-profile corrugation

minimizes OD• Reline sanitary sewer & storm

sewer pipe• Available in 300-900 mm dia.• Available in 3 m & 6 m lengths*


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• STAB-JOINT water-tight connections (75 kPa) – rated for sanitary sewers

A2 LINER PIPE


• Joints maintain constant inside & outside diameter

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Example:• Reline existing 1200 mm

CSP with 900 mm A2 Liner• Achieve 103% of existing flow

A2 LINER PIPE

• Smooth inner wall• Manning’s n = 0.009• Ideal for maintaining hydraulic

capacity


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SPIRAL WOUND

• Spiral, machine wound trenchless pipe rehabilitation• Winding machinery may be lowered into manholes & other

tight spaces• Pipe is wound & fused in place, feeding into the existing pipe


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SPIRAL WOUND – SPR PE

• SPR PE, spiral wound steel-reinforced HDPE pipe liner• All the benefits of steel-reinforced HDPE pipe (DuroMaxx)• Can be installed in live flow conditions


• Continuous welding creates seamless pipe

• 750 - 3000 mm dia.

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SPIRAL WOUND – SPR EX

• SPR EX, spiral wound, self-expanding PVC pipe liner• Wound with an interlocking profile• Expands in place against the ID of the existing pipe• 150 – 900 mm dia.


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INNERFLOW

• Solid, smooth-wall HDPE pipe• Male/female jointing system• 200 – 1600 mm outside dia.• Custom shapes & lengths (up to 15 m) available


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SELECTION CRITERIA

• Size & shape

• Hydraulics

• Durability• Service life• Abrasion

• Constructability• Slip-lining• Inside assembly• Grouting

• Cost


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Liner Type Material Service Life*

Sizes (dia.) “n”

Tunnel Liner Plate

Galv. steelAluminumPolymer-coated steel

50 yrs.75 yrs.100 yrs.

1300 mm + 0.034

Ultra Flo Galv. steelALT2

50 yrs.75 yrs.

450 – 2600 mm 0.013

Boss 2000 Corrugated HDPE 100 yrs. 100 – 900 mm 0.012

DuroMaxx Steel-reinforced HDPE 100 yrs. 750 – 3000 mm 0.012

A2 Liner Pipe Corrugated PVC 100 yrs. 300 – 900 mm 0.009

SPR HE Steel-reinforced HDPE 100 yrs. 750 – 3000 mm 0.010

SPR EX Spiral-wound PVC 100 yrs. 150 – 900 mm 0.010

InnerFlow Solid-wall HDPE 100 yrs. 200 – 1600 mm 0.009

TRENCHLESS COMPARISON


*IN IDEAL SITE CONDITIONS.

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Stormwater Management

QUESTIONS?

STORMWATER MANAGEMENT

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UPCOMING MONTHLY WEBINARS

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Drainage Solutions:

www.armtec.com/webinars/

Upcoming:

May 15, 12pm EST | Insulated Precast

Wall Panels

Shane Sherar

Ebi Moradi, P. Eng

STORMWATER MANAGEMENT

http://www.armtec.com/webinars/

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CALL 1-877-5-ARMTEC OR

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Dave GrootSenior Sales RepresentativeArmtecT: (519) 763-2360C: (519) [email protected]

Patrick Biro, P.Eng.Business Development EngineerArmtecT: (604) 343-2740C: (604) [email protected]