Safety in CGD

7/25/2019 Safety in CGD

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SAFETY IN CGD


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Content

Industry Specifc Impacts andManagement

Air Emission

Occupational ealt! and Sa"ety

Community ealt! and sa"ety

Emergency #esponse Disaster Management $lan%


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Industry Specifc Impacts and

Management

ES guidelines include lo& pressuredistri'uting system%

Environment(

o Construction Impacts

o Noise ) *i'ration

o

Dust emissionso Soil Erosion


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+r'an Areas

Noise, tra-c interruption, disposal o"contaminated soil,%


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a'itat Alteration

E.ca/ation, trenc!ing, pipe laying,'ac0flling,

and t!e esta'lis!ment o"in"rastructure suc! as regulatingstation

Impacts 1 landscape "ragmentation2

loss o" &ildli"e !a'itat, including "ornesting2 and esta'lis!ment o" non1nati/e in/asi/e plant species


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Impacts

disrupt &atercourses and &etlands,and re3uire t!e remo/al o" riparian/egetation,

Sediment and erosion "romconstruction acti/ities and storm&ater runo4 may increase tur'idity

o" sur"ace &atercourses% $re/ention (

Site o" pipeline, directional drilling


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Air Emission

5ea0age o" Gas $ipelines

$ipeline damage due toconstruction6material "ailure,corrosion or mec!anical damage etc%

Flange lea0 due to material "ailure,&rong gas0et% 7Inside customer8spremises only9

*al/e lea0 due to stem seal "ailure

Enemy Action 6 Sa'otage 6 Naturalcalamities li0e eart!3ua0e, :ood etc


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Air Emissions

o Green!ouse gases due to lea0

o Recommendations

o International Standards%

o Corrosion $re/ention

o Testing pipelines ) pipeline components

o 5ea0 ) Corrosion detection programs%

o #egulating stations Monitoring%

o Gas in"rastructure Monitoring


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Occupational ealt! )sa"ety

Dust, Noise, p!ysical strain andtrenc!ing

E.ca/ation !a;ard%

o Occupational e.posure to gas lea0s )e.plosions

o

Confned spaces


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Occupational e.posure to gas lea0s) e.plosions 7#ecommendation9

Training o" employees

Identifcation o" in"rastructure

#emo/al o" ignition source% Installation o" lines at sa"ety

distance%

Emergency s!ut do&n Odouri;ation o" gas

Training o" gas utility &or0ers


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Confned space

Entry $rocedure

Telep!one Notifcation

$roper location, installation, andmaintenance o" appliances

#ecognition o" potential !a;ards oroperating pro'lems%

Data monitoring%


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Electrocution

E.ca/ation, construction, and repairo" gas distri'ution systems mayresult in &or0ers8 e.posure to

e.isting a'o/eground orunderground utilities, including aerialor 'uried electric transmission line%


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Community ealt! ) Sa"ety

Public Exposure & gas leaks &explosion

Gas utility operators s!ould in"ormand ad/ise a4ected communities%

s!ould esta'lis! an emergencypreparedness and response plan

s!ould implement a telep!onenotifcation system to respond toreports o" lea0s%


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Community ealt! andSa"ety

$roper location, installation, andmaintenance o" appliances ande3uipment%

#ecognition o" potential !a;ards oroperating pro'lems


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$er"ormance Indicators ) Monitoring

Environment

Emissions ) E


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Guidelines

Occupational !ealt! and sa"etyper"ormance s!ould 'e e/aluatedagainst internationally pu'lis!ed

e.posure guidelines%

Accident and Fatality #ates


Monitoring(

T!e &or0ing en/ironment s!ould 'emonitored "or occupational !ealt! )

sa"ety%


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Sa"ety At CGD

At CGS( All process parameters li0epressure, temperature, :o& ) gascomposition etc%

are monitored in t!e control 'uilding

$C*

SD*

$S*


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Sa"ety De/ices in CGS

5D system%

5E5 monitoring

Fire &ater net&or0

>rea0 Glass +nit Fire E.tinguis!ers

A dedicated communication system "or

communication &it! all pipeline installations on t!e net&or0 and &it! Master Control

#oom%


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SAFETY IN CGD NET?O#@

E.ternal Corrosion

Cat!odic $rotection

Sectionalising *al/es +pstream ) do&nstream /al/es

*enting o" entire gas%

$ipeline mar0ers at e/ery B mtrs%distance and &arning signs atappro.% BB mtrs% distance


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At Consumer Ends

$ressure #eduction ) Metering S0id

S0id Element

$C*, SD*, $S*, Flo& Meter,Electronic *olume Meter%

In case o" any emergency, inlet /al/ein pipeline 'e"ore t!e metering s0idcan 'e closed "or stoppage o" gassupply


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OPERATIONALPREPAREDNE

Daily line &al0 'y security Guards

Station1In1C!arge maintains close contact &it!ot!er utility departments%

Sa"ety pamp!lets and recommendations #eady in/entory o" emergency e3uipment

$re/enti/e maintenance acti/ities

Internal sa"ety audits

A toll "ree num'er 5ocal control rooms are manned round t!e cloc0

#egular trainings are pro/ided


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Emergency #esponse

Ensure &!erea'outs and sa"ety

In"orm t!e fre 'rigade6Sa"etyDepartment%

Isolate t!e section o" t!e pipeline"rom &!ic! gas is lea0ing%

$rotect t!e section o" t!e pipeline"rom &!ic! gas is lea0ing

Identi"y pressure areas


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Disaster Management $lan

Description ) details

Identifcation and defnition o" #oles,#esponsi'ilities and Aut!orities

$rocedures "or Emergency andling,S!utdo&ns and E/acuations

Emergency contact num'ers

Mutual aid agencies and t!eir roles


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Disaster Management $lan

Important Do8s and Don8ts

5ist and location o" Emergency toolsand spares

Training re3uirements and plans%

E4ecti/e liasoning &it! districtaut!orities ) ot!er utilitydepartments%

Documents

Safety in CGD