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Aspects of
Coastal & Environmental Engineering
K.M. SivaKholundu
Project DirectorCoastal & Environmental Engineering (CEE) Division
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CEE - Features
FOCUS
PROJECTS
Oceanographic &
Engineering Measurements
Environmental Impact Assessment
(EIA) &
Water quality management
1. Geophysical
2. Oceanography
3. Hydrography
4. Geotechnical
Mathematical
Modeling studies
1. Coastal resources
2. Water quality issues
3. EIA
4. Risk Assessment
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FOCUS Providing cost-effective alternatives to conventional marine
infrastructure planning Port and harbour layout planning (Techno Engineering Studies)
Seabed engineering surveys
Oceanographic measurements
Mathematical modeling studies
Navigational channel alignment
Environment friendly designs
Coastal protection
Ecologically suitable execution plans
Risk assessments for hazardous cargo handling in ports
Providing long term solutions for societal benefits Water quality management in coastal areas, creeks and estuaries Inputs to fisheries harbour planning & development Environmental management options for fisheries harbors
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PROJECT SITES
Projects completed150+
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PLANNING OF COASTAL
INFRASTRUCTURELAYOUT DESIGN & TRANQUILITY STUDIES
Design of harbors for fisheries, coal transport
Technical evaluation for
location of facilities
navigational channel requirements -
dredgeability
expansion proposals
Window of operation
Environmental impact assessment for
Port & harbour construction
Cooling water discharge
Dredge spoil disposal
Sedimentation
Hazardous cargo handling
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THERMAL DISPERSION MODELLING
Mathematical modeling studies
DREDGE SPOIL DISPOSAL MODELLING
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Mathematical modeling studies
Training wall for sediment control - Kandla
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Mathematical modeling studies
Training wall for sediment control - Kandla
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Risk Assessment for liquid cargo
handling
TO ENABLE CONTINGENCY PLANNING FOR
RESPONSE
Inhouse development of
TIER I software at
NIOT - Oil Spill Model
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Geotechnical Investigations
Focussed ground truthing + insitu testing
Offshore Sample collection Grab
Gravity core
Vibro core Rock core
Insitu testing
Cone Penetrometer
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Geotechnical Investigations
Focussed ground truthing + insitu testing
Offshore Sample collection Grab
Gravity core
Vibro core Rock core
Insitu testing
Cone Penetrometer
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Recap of NIOTs scope of work for PFC
for marine handling facilities off Cheyyur
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Study requirementsCoastal Infrastructure development
Techno Economic
Feasibility Report
Site selection to suit
Engineering Feasibility
Field data collection program
1. Seabed engineering surveys
2. Environmental quality
Ecological considerations in
site selection
Preliminary marine infrastructure
requirement planning (breakwater, jetty,mechanical handling etc)
ToR for the EIA study /
Presentation in MoEF
Design of engineering
components
EIA studies based on
project activities
Marine EIA Report
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Proposed port site at Panaiyur - overview
Jetty
Port Area
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Marine Terminal for Coal handling
The total annual coal import - 14 MMT The daily coal consumption - 45,000 MT per
day
Cape size (upto 150,000 DWT) and Panamax(upto 80,000 DWT) size carriers
2 berths with approx 60% berth occupancy
Open jetty or Offshore breakwater to be
determined with mathematical model studies
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Design of Cooling Water intake and
outfall for power project
864000 KLD of water for cooling waterrequirements and desalination
Closed circuit cooling water system
Only make up water to be withdrawn
Intake wells and diffusers at appropriate depths
for intake and outfall
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Waterside Activities
Exact configuration of marine terminal determined aftersurvey and mathematical studies
Berth length 600m
Berths with 4 nos grab unloaders
Approach trestle of 1200m upto 10m water depths(including cooling water conveyance)
Dredging an approach channel from 20m water depths uptoberth
Need for island breakwater and its configuration will be
finalized after downtime assessment, Cooling water intake and outfall (construction and
discharge)
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Landside Activities
2 streams of conveyors from berth to coalstackyard
Transit coal stackyard to accommodate two
parcels of Capesize and Panamax vessels Stackers and reclaimers
Greenbelt, sprinkler system, runoff drainage
with settling pond
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Primary data collection
Proposed
survey site
Bathymetry Side scan sonar survey
Sub-bottom profiling
Magnetic survey Met-ocean parameters
Tide
Wave
Current Wind, temperature, pressure,
etc
Geotechnical
Sampling
In-situ soil parameters
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Mathematical Modeling Studies
Wave hind-casting
Numerical model studies
Wave exceedence study
Tranquility studies for breakwater layout
Sedimentation studies
Dispersion studies for cooling water intake and
discharge
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Engineering design
Port Lay out Tranquility
Vessel maneuverability
Channel orientation
Port elements Breakwater Water front structures jetty, Approach trestle, etc
Utilities coolant water intake, effluent discharge, etc
Cargo Handling facilities
Shoreline stability Dispersion
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Environmental studies
Environmental studies / procedures required for marine infrastructure
development Site selection environmental / ecological considerations
What is an EIA ?
Why is EIA so important ?
Environmentally
Legally
What are the study requirements ?
Description of EIA process
Scoping
Baseline data collection
Prediction of impacts Environmental Clearance (EC) procedure
Introduction to preparation of Environmental Management Plans /Systems
Writing an EIA report
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Scope of Marine EIA studies
Scoping to identify environmental issues thatare significant
Evaluation of pre project environmentalconditions at the offshore locations (baseline
studies) Estimation of impacts that are significant
Coal unloading, conveyance and stacking
Cooling water intake and discharge Development of Environmental Management
Plans
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Brief schedule
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Day-1
One day session on preparation of DPR Introduction to marine facilities, coal handling
systems, traffic estimation, techno-economic
considerations
Introduction to data requirements, seabed
engineering surveys, measurements of
oceanographic, hydrographic parameters
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Day-2
One day visit to Ennore Port and NCTPS Ennore port was initially exclusively built for coal
handling for NCTPS
View of coal handling facilities
Grab, conveyor
Marine facilities
Jetty
Breakwaters
Visit to NCTPS
View of cooling water intake / outfall
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Day-3
Legal requirements of marine infrastructuredevelopment projects
Legislations
Scoping exercise Preparation of ToR
Baseline study requirements, methods, quality
control
Baseline data collection methods
Demonstration of baseline data collection
Half a day visit to Panaiyur site /
Mudaliyarkuppam
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Day-4
EIA process Prediction of impacts
Listing of methods
Preparation of EMP Introduction to Risk Assessment
Preparation of DMP
Writing an EIA report
2 hours visit of NIOT facilities, chemical
laboratory
Feedback
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Thank You
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