Transcript STANDARDIZATION OF SPECIFICATIONS – INDIAN AND GLOBAL PERSPECTIVE M. VENKATARAMAN

Engineered Solution Provider in Geosynthetics
STANDARDIZATION OF SPECIFICATIONS
– INDIAN AND GLOBAL PERSPECTIVE
By
M. VENKATARAMAN
NEW CHALLENGES
In recent years, while providing a solution, the
Engineer has to face increased challenges:
 Various
 Tight
site constraints like space, alignments etc.
time schedules
 Ensure
max. usage of local resources (Material &
Manpower), hence Cost effective!!
 Least
environment impact
 Long
term performance & higher Cost benefit ratio over
a larger period of time (Least maintenance cost)
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SOLUTION !!!
USE OF APPROPRIATE GEOSYNTHETIC
MATERIALS OFFERS THE POSSIBILITY TO
SOLVE OR DRASTICALLY REDUCE THE
PROBLEMS
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GEOSYNTHETICS
CONCRETE & STEEL
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GEOSYNTHETICS
FUNCTIONS OF GEOSYNTHETICS
• Separation
• Filtration
• Reinforcement
• Drainage
• Containment
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OUR PRODUCT RANGE
Geogrids
Geotextiles
(Uniaxial &Biaxial)
Geonet
Nonwoven
Geosynthetic
Clay Liners
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Woven
Geomembranes
OUR PRODUCT RANGE
Gabions
Steel Wire
Polymer Rope
PVD
Anco Drain
GARMAT
Boulder Net
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OUR KEY SECTORS
GEOSYNTHETICS DIVN.
ENV.PROTECTION
INFRASTRUCTURE
LANDFILL ENGINEERING
COASTAL PROTECTION
ROCKFALL PROTECTION
CANAL LINING
FLOOD CONTROL
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ROADS
RAILWAYS
GROUND
IMPROVEMENT
PRODUCTS & THEIR
APPLICATIONS
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WOVEN GEOTEXTILES
Filter - Woven geotextiles
Woven Geotextile - Separator (Thane, Mumbai)
Geogrid Wraparound Wall at CH. 48 KM & CH. 50 KM,
Lucknow - Muzaffarpur National Highway Project
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WOVEN GEOTEXTILES
Separator - Approach Embankment for Bridge across
Vasista, Godavari at Chinchinada, A.P. (N H 5A)3
Reinforcement, Vishakapatnam Airport, Andhra Pradesh
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WOVEN GEOTEXTILES
Shore Protection Works :
Geotextile Tube
HWL
Woven
Geotextile Bags
Geotextile
Geotextile Bags
GEOTEXTILE
TUBEWest
- SHORE
PROTECTION
Shankarpur
to Halda,
Bengal,
India
Filter Material
Geotextile Tube
Geotextile Bags – Toe Protection
Geotextile Tube
After installation - During High Tide
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NONWOVEN GEOTEXTILES
Protection Layer,
Doodhganga Canal Project,
Kolhapur, Maharashtra
Lining of Dry Gypsum Pond, Coromandal Fertilizers Ltd.,
Vishakapatnam
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NONWOVEN GEOTEXTILES
Protection Layer in Landfills, HZL, Visakhapatnam, A.P
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UNIAXIAL GEOGRIDS
Tensar® Geogrid Reinforced Soil Wall System at CSEB,
– Inner Side View, towards deck slab (Korba, India)
RS Wall with Gabion Facia and Geogrid as
reinforcement at Bellary, Karnataka)
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UNIAXIAL GEOGRIDS
Geogrid Wraparound Wall at CH. 48 KM & CH. 50 KM,
Lucknow - Muzaffarpur National Highway Project
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BIAXIAL GEOGRIDS
Installation of Tensar SSLA30 Biaxial Geogrid
at ballast level (Kazipet-Ballarshah section,,
South Central Railway)
Subgrade Stabilization using Tensar Biaxial Geogrids
Talasari - Udhava Major Dist. Road, PWD, Maharashtra
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BIAXIAL GEOGRIDS
Ground Improvement for Tank Foundation,
HPCL, Mundra, Gujarat
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HDPE GEOMEMBRANE
Reservoir Lining, Finolex Industries,
Doodhganga Canal Project
Maharashtra
(Kolhapur, Maharashtra)
Lining of Dry Gypsum Pond, Coromandal Fertilizers Ltd.,
Vishakapatnam
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HDPE GEOMEMBRANE
Landfill, HZL
Visakhapatnam, A.P
PCMC Landfill, Pune
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POLYMER ROPE GABIONS
Shore Erosion - Swaminarayan Temple, Gujarat, India
Groynes - Varsoli Creek, Alibaug, Maharashtra
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POLYMER ROPE GABIONS
Revetment - Anti Erosion Sea Bund
Morbhagwa, Gujarat, India
Narmada Bank Protection Works, Madhi, Gujarat
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STEEL GABIONS
GarmatTM
Reinforced
Soil
Gabion
Facia
Reinforced Soil System with Gabion Facia, MRPL, Mangalore
Gabion Retaining Wall – Lavasa
Slope Retention works at Sakleshpur – Subhramanya Road
Section, South Western Railways, Mysore Division
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GARMATTM
GarmatTM Erosion Control Mat
(HZL, Vishakapatnam, Andhra Pradesh)
Before
After
GarmatTM Erosion Control Mat
(Mahanadi Coal Fields, Talcher, Orissa)
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ANCO DRAIN
Anco Drain
Anco Drain
MRPL, Mangalore
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TECHNICAL SPECIFICATIONS

Properties :
Polymer Composition,
Structure & Physical
Properties
Mechanical
Hydraulic
Properties
Properties
Survivability
Installation
Practices
UV Resistance
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TECHNICAL SPECIFICATIONS

Present Scenario:
• For any application, the technical specification
includes all the properties as mandatory
requirements irrespective of the function to be
satisfied
 It
is significant to specify the properties critical
for the function
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TECHNICAL SPECIFICATIONS
Eg: Reinforcement application
It is more relevant to specify long-term strength &
strength at 2% and 5% strain rather than Ultimate
Strength
Reinforcement - 1
Load
Reinforcement - 2
(kN/m)
2 5
Strain (%)
TECHNICAL SPECIFICATIONS

Dictates the exact materials to be used in a
project

No guarantee that the best available product is
delivered

They focus on the Specifications and not on the
Final Output (Performance)
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STANDARDIZATION OF
SPECIFICATIONS

Aspects :Application
Function
Product
Specifications

Primary - Main Properties

Secondary - Min. Properties
Any
product which satisfies the Primary and
Secondary specifications can be selected
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STANDARDIZATION OF
SPECIFICATIONS
Eg: As
per IRC:SP:59-2002 :-
Separation &
Filtration functions
(unsaturated soils)

AOS = 0.6 mm, Max. Value
Permittivity = 0.02 Sec-1,
Min. Value
Subsequently, specifies minimum strength requirements
(Type I, II and III) for a geotextile depending on
Installation Damage
Any
geotextile with satisfies the criteria can be selected
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STANDARDIZATION BASED ON
APPLICATION & FUNCTION
Application
Functions
Roads,
Retaining
Walls
Separation &
Filtration
Roads,
Retaining
Walls
Drainage
Roads,
Reinforced
Wall &
Embankments
Reinforcement
Products
Woven &
Nonwoven
Geotextile
Nonwoven
Geotextile
(needlepunched)
Woven
Geotextile
& Uniaxial
Geogrids
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Main Properties
AOS &
Permittivity
AOS
&
In – plane
permeability
Creep strength &
Secant Moduli
@2% and 5 %
strain
STANDARDIZATION BASED ON
APPLICATION & FUNCTION
Application
Functions
Products
Pavements Stabilization &
Railways Trackbed
Stabilization
Landfill & Lining
Reinforcement
Impervious
Biaxial and
Triaxial
Geogrids
Geomem
-brane
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Main Properties
-Secant Moduli @
2% & 5 % strain
- Aperture Stability
- Radial Stiffness
- Junction Stiffness
- Manufacturing
Process
-Manufacturing
Process
- Raw Material
- Thickness Tolerance
- MFI & OIT
- Width of he Roll
CERTIFICATION – WHY ??
CONFIDENCE IN SELECTION OF PRODUCTS
BY SPECIFIERS / CLIENTS
CERTIFICATION PROCESS

Comprehensive Assessment:
- Laboratory Testing
- On-Site Evaluations
- Production Inspection
- Consistency in Material Quality
BENEFITS OF CERTIFICATION

Independently verified technical specifications

Product scope / compliance with relevant
materials / system

Tests – highest level of accuracy

Specifies the durability of the product in the
system
BENEFITS OF CERTIFICATION

Design considerations
-Long-term strength @ different temperatures
-Installation damage factor for different
size of fill material
-Factor for Environmental effects (pH range)
-Factor for manufacturing, extrapolation &
database
BENEFITS OF CERTIFICATION

Installation guidance &
handling of materials

Limitation / Risks – if any

Monitoring of Product manufacturing during the
tenure of the Agrément
PERFORMANCE RELATED
SPECIFICATIONS (PRS)

Standardization of Specifications & Certification
eventually will help to develop Performance
Related Specifications (PRS)

Performance Related Specifications – Why ??
M.Venkataraman, GWRL.
PERFORMANCE RELATED
SPECIFICATIONS (PRS)

Performance specifications describe how the
finished product should perform over time

It is the bridge between design, construction
quality, and long-term product performance

Specifications that use quantified quality
characteristics and life cycle cost relationships
correlated to product performance.
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PERFORMANCE RELATED
SPECIFICATIONS (PRS)
 Performance Parameters
– Depends on the Product and the application
 Governing Factors
End Result Elements:
- Bearing capacity, stability, settlements,
cracking, etc.,
Functional Requirements:
- Smoothness, friction, etc.,
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PERFORMANCE RELATED
SPECIFICATIONS
 Fundamental Requirements:
• Critical Quality Characteristics
– Measurable and tied to product performance
• Prediction Tools (modelling and databases)
– Verified, calibrated, validated, and made
appropriate for local conditions
• Life Cycle Cost Analyses (LCCA)
– To compare the as-designed product section to
the as-built section
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PERFORMANCE RELATED
SPECIFICATIONS
 Benefits

Improved link between Design and Construction

Improved and focused testing on characteristics
related to performance

Promoting best practices to improve quality

Improving Flexibility, Efficiency and Value of the
system
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PERFORMANCE RELATED
SPECIFICATIONS
 Benefits

Adding private sector innovation

Allow contractors more freedom to implement
their own procedures, choose their own
equipment, and conduct site-specific process
control programs

Transferring risk away from the owner
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PERFORMANCE RELATED
SPECIFICATIONS
 Barriers

Determining good performance criteria and
measures

Potential impacts to contractors performance
bonds

A drastic change in corporate culture




Openness and Trust
Change of Industry mind set
Focus on solution rather services
Delivery driven by value not cost
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WORLDWIDE SCENARIO

Premier Institutes and Agencies implementing
PRS
•
•
•
•
•

FHWA
AASHTO
European Union
UK
DOT, California (Caltrans)
Winconsin, DOT experienced 36% improvement
in highway ride quality & 10% savings in LCC
using PRS in Pavements
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ROAD MAP TO THE FUTURE
VISION
Better translation of design and performance
requirements into specifications
MISSION
Establish Performance Related Specifications
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ROAD MAP TO THE FUTURE
GOALS

Identify relationships that link design and
construction with product performance

Develop and Implement Performance
Specifications
DRIVING FORCE
Freedom to innovate with accountability
to deliver
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REFERENCES

IRC:
SP:
59-2002,
“Guidelines
For
Use
of
Geotextiles in Road Pavements and Associated
Works”, Indian Roads Congress, 2002.

Developing
Performance
Specifications
-
Consultation response analysis report, January 2004
http://www.highways.gov.uk/roads/3060.aspx
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REFERENCES
INF02
Adopt
Performance
and
Warranty
Specifications to Improve the Quality of Highway
Construction
http://cpr.ca.gov/CPR_Report/Issues_and_Recommendations/Ch
apter_4_Infrastructure/INF02.html
Performance Specifications Strategic Road Map, 2004
http://www.fhwa.dot.gov/construction/pssr04tc.cfm
M.Venkataraman, GWRL.
THANK YOU
M.Venkataraman
Advisor, Geosynthetics Division,
Garware-Wall Ropes Ltd.
Plot No. 11, Block D-1, M.I.D.C. Chinchwad, Pune- 411019, India.
Phone: + 91-20-30780000, 30780150
Fax: + 91-20-30780350.
Email : [email protected]
[email protected]
Website : www.garwareropes.com
M.Venkataraman, GWRL.