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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