Comprehensive corporate overview general v6 1

March 3, 2011 PRS Proprietary Information Slide 16RAILWAY REINFORCEMENT New Track, Tel Aviv Israel 16 PRS Proprietary... March 3, 2011 PRS Proprietary Information Slide 21 LOAD SUPPORT C

Cellular Confinement System

Solutions for Civil Infrastructure

PRS

Professional Reinforcement Solutions

PRS Proprietary

Neoweb Cellular Confinement System

Proprietary of PRS

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Confinement Effect

How Does Reinforcement Work?

Beam Effect

7

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Value Proposition

Meeting Needs of Construction

& Civil Engineering Industry

Project Showcase

PAVED HIGHWAYS

Road, Israel

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PAVED HIGHWAYS

Udine, Italy

LOAD SUPPORT APPLICATIONS

National Road, Poland

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LOAD SUPPORT RAILWAYS

Transnet, South Africa

15

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March 3, 2011 PRS Proprietary Information Slide 16

RAILWAY REINFORCEMENT

New Track, Tel Aviv Israel

16

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Slide 17

PROJECT: ACCESS & HAUL ROAD

Suncor Oil Sands, Alberta, Canada

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LOAD SUPPORT

Unpaved Roads – Energy

Kazak Steppe, Kazakhstan

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ACCESS & HAUL ROAD

EcoPetrol, Colombia

20

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March 3, 2011 PRS Proprietary Information Slide 21

LOAD SUPPORT

Coillte Forestry South West, Ireland

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PRS Proprietary Information Slide 22

LOAD SUPPORT

Military Applications

Road for Tanks, Miitary

Unpaved Heavy Duty Road, Russia

NATO ARMIES

Military Patrol Road, Afghanistan

22

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Conventional Applications

Slope & Channel Protection Reservoirs & Landfills

Israel Russia

March 3, 2011 PRS Proprietary

Information Slide 24

SLOPE APPLICATIONS

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CHANNEL APPLICATIONS

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EARTH RETENTION

APPLICATIONS

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RESERVOIRS &

LANDFILL APPLICATIONS

From HDPE Geocells

to Neoloy-based Neoweb

PRS Proprietary

Geocells Invented

by Military for Short-Term Use

Invention by US Army Corps of

The Dilemma

GEOMETRY WORKS 3D Composite System

But MATERIAL needs higher durability & stiffness, lower creep and more resistance to high temperatures

Limitations of HDPE Geocells

Lacks cell wall stiffness and strength

Over time, under high temperature and loading

High creep (permanent deformation)

Loses strength above 55°C

Sensitive to high temperatures

Loses geometry from thermal contraction (cold) & expansion (hot)

Low dimensional stability (high CTE)

Why HDPE Geocells are Not

Widely Used for Load Support

• Reinforcement mechanism not fully established

Geometry works

• HDPE unsuitable

Material inadequate for long term

• Existing standards do not take into account time and temperature

Cannot predict long-term behavior

• For paved roads

Lack of accepted design methodology

US, Russia, India,

Poland, Israel, Romania,

R&D – Reinforcement Mechanism

Neoweb load support under static & cyclic loading

Clausthal Univ of

Technology, Germany

.

U of Delaware, USA, National Institute of Rural Engineering, Japan

University of Kansas,

USA

PRS Proprietary

Geosynthetics, August-Sept 2010

Industry Research and Innovation

37

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Geosynthetics, August-Sept 2010

Industry Research and Innovation

38

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The tests reported herein are relevant to

short-term performance when considering the

utilized HDPE geocell However, without

improvement, HDPE geocells are not

suitable for long-term applications.

Problems of durability related to leaching of

additives, oxidation, and to UV exposed facing

should be addressed Large thermal

contraction and expansion of outer cells due to

daily and seasonal temperature changes

combined with high intrinsic thermal

coefficient of the geocell material could lead to

progressive failure initiating at the outer cells

Stress cracking of exposed facing could occur in

low temperature Low stiffness and strength

may lead to significant creep having poor

long-term dimensional stability.

Geosynthetics, August-Sept 2010

Industry Research and Innovation

39

Proprietary of PRS

magazine focus on projects and how geosynthetic materials are used in a variety of applications Very rarely is the focus solely on a specific product, company, or individual

Professor Leshchinsky and I note that this

offer a guideline, an example, of how product development for the geosynthetics industry can

be done effectively We hope these lessons can further advance the geosynthetics industry into the 21st century with much success RB

Accelerated Pavement Testing Facility, Kansas

• Co-sponsored by US State DOTs and Federal DOT

• Full scale trials with different infill types, including inferior materials and RAP

PRS Proprietary

Neoloy®-based Neoweb

New High Performance Material

for Existing 3D Geocell Geometry

• Neoloy® – patented nano-fiber

composite polymer alloy

• Superior qualities

– High strength and stiffness

– High dimensional stability (CTE)

– Very low creep

– High resistance to elevated

After 30 minutes @ 58 °C

SIM – Accelerated Creep Test

Comparison of HDPE & Neoloy

HDPE -32.55 mm

Neoloy -3.53 mm

(ASTM D6992)

• CTE

– HDPE – 160 - 350 ppm°C

– Neoloy - < 80 ppm °C

Ambient Temperature

(Cell nominal size)

How to Go from Niche to Mainstream

Engineering &

Economic Advantage

• Expensive quality infill (base layer) can be replaced with inferior material + Neoweb confinement

PRS Proprietary 48

Going from Niche (Limited CBR)

to Mainstream Market (Unlimited CBR)

Subbase Subgrade

Base Layer Reinforcement

Neoweb Design Methodology

– According to annual CBR (seasonal damage)

– ESALs – 18-kip single axle (W18)

– Neoweb improves layer modulus for fully and partially confined zones

– MIF Range: 1.5 – 5.0

– Calibrated by research at Univ of Kansas (US) & Clausthal (Germany)

• Layered Elastic Theory – resilient modulus of each layer

– Checks design with failure criteria for fatigue and rutting

Cross Israel Highway 6

Grade A (Class I)

International Highway

BRIEF FACTS

• 140 km North-South National Highway - electronic toll road

• DBFO – $1.4 billion private investment

Cross Israel Highway –

Conventional vs

Neoweb Reinforced Sections

1 Replace high-quality base layer

infill with granular subbase infill

– Save 37% in infill cost per m 2

2 Reduce asphalt base course

thickness by 4 cm

– Save 22.5% per m 2

Advantages of Neoweb pavement over conventional design:

Control Section Neoloy-based Neoweb

53

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PHASE 1

Layout & Expand Sections

PHASE 2

Infill Cells

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PHASE 3

Grade, Water, Compact

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PHASE 4

Asphalt Paving

Monitoring & Evaluation

by Country’s Senior Engineering Professionals

• Pressure cells inserted during

construction in Test Sections

• Static plate testing monitoring

and evaluation by:

1 Cross Israel Highway

engineering department

2 Senior consulting engineers

3 Public Works Department

4 Israel Ministry of Transportation

5 Top accredited lab in Israel

(Isotop)

Static Plate Loading of Pressure Cells

50% Less Vertical Stress

Static Plate Vertical Pressure [PSI]

Pressure Cells readings Vs Static Plate Surface Pressure

Section 506+110 Section 506+260 Section 506+520

Control Section Neoweb Section 1 Neoweb Section 2

~10 PSI Stress at Reinforced Sections

~20 PSI Stress at Unreinforced Control

Section

Result of 50% Reduction in

Vertical Stress on Road Performance

Conventional Unreinforced

Neoloy Reinforced

to top structural layer

=

61

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Cross Israel Highway

Benefits of Reinforcement

with Neoloy-based Neoweb

• Initial Capital Savings – using lower cost infill and reducing asphalt

– Lowered initial capital costs by 5.8% ($3.25/m 2 )

– Replacement of base layer with subbase saves 33% ($4.19/m 2 )

– Reduced asphalt base thickness by 22.5% ($7.95/m 2 )

• Long Term Savings – improved service life eliminates 1 scarification cycle

(20 year design life)

– Projected 50% savings in maintenance ($15.58/m 2 )

– Projected 21.5% of conventional life cycle costs ($18.87/m 2 )

• Additional Savings – less construction

– Reduced earthwork operations/equipment/personnel

– Sustainable method reduces carbon footprint and virgin aggregate use

• Project Planning Savings – suitable for different stages/designs

– Reduced costs while maintaining planned road elevations (overall thickness) and required pavement layer moduli

Case Study – Bihar, India

Jan 21, 2010

PRS Proprietary

NH-77 Highway

Conventional vs Neoweb

Pavement Section – NH-77 Highway

Design factors: Subgrade CBR = 6%; Traffic Load = 150 MSA

Conventional Section (per IRC-37) Neoweb Alternative Section (Layered Elastic Theory)

44%

less

(Wet Mix Macadam)

(Granular Sub Base)

(Bituminous Concrete &

– Lower initial capital costs

– Base layer thickness retained

to maximize savings in asphalt layer

– Reduced asphalt base thickness by 44%

and paving costs

– Increased layer moduli and lower vertical stress

– Longer-term performance and service life – reduces maintenance

– Sustainable method saved virgin aggregate resources

Conclusion

Jan 21, 2010

PRS Proprietary

A New Innovation

in Geocells, Geosynthetics & Road Construction

Subbase Subgrade

Base Layer Reinforcement

Go from Niche (weak soils) to Mainstream solution for all roads & rails

Soil Strength

PRS Neoweb Value Proposition

Innovative Proven Technology that Reduces Costs

• Confinement and Reinforcement for

any soil infill type

– Independent of CBR

• Saves Initial Construction Costs

– Replace base layer

– Reduce layer thickness

• Saves Long-term Life-cycle Costs

– Increased traffic

– Eliminates rehabilitation cycle

• Unique Neoloy polymer

PRS Qualifications

• 14 years of successful projects worldwide

• Partner of choice for international consulting design and construction engineers

Experience

• Industry leading R&D

• International standards (ASTM)

Expertise

• Large-scale manufacturing capabilities (ISO, QC, CE)

• 75-year warrantied performance

Contact us for more information …

Thank You