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Infrastructur e (Dam s)Infrastructur e (Dam s)

PreparednessPreparedness

byby

GREGEL B. REDUBLADOGREGEL B. REDUBLADO

Department Manager

Dams, Reservoirs & Flood Forecasting

PCIERDPCIERD--DOSTDOST

Technical Forum on Climate ChangeTechnical Forum on Climate ChangeHyatt Hotel, ManilaHyatt Hotel, Manila 17 March 201017 March 2010

National Pow er CorporationNational Pow er Corporation

Quezon Avenue corner BIR Road

Diliman 1100 Quezon City, Philippines

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Pr esentation OutlinePresentation Outline

Part II. Dam Em ergen ciesPart II. Dam Em ergen cies

a. Types of dam emergenciesb. NPC Dam Emergency

Organization

c. Reporting dam distressd. Emergency Conditions/

Response level Par t IV. Philippine law s related toPar t IV. Philippine law s related toDam SafetyDam Safety

Part V. Parting W ordsPart V. Parting W ords

Par t I. Intro ductionPar t I. Intro duction

a. Benefits of damsb. Dam owners in the Philippinesc. The National Power

Corporation (NPC)d. EPIRAe. NPC Dam Safety Program

Part III. Em ergency Prepa rednessPart III. Em ergency Prepa redness

a. Preventive & warning systemsb.

Operation rules & warning proceduresc. Types of responsesd. Adaptation to rainfall, flooding, and

droughte. Systems of communicationsf. Notification flowchartg. Strategies to address impact of climate

change to dam operation.h. San Roque Dam Emergency Action Plan

(EAP)i. Angat Dam Sub-area FFWSDO Hotline

numbers

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a. Benefits of dam sa. Benefits of dam sI. Introduction

La Mesa DamLa Mesa Dam

(http://frjessie.files.wordpress.c(http://frjessie.files.wordpress.c

omom)

Domestic Water SupplyDomestic Water Supply

Agricultural/Agricultural/

Industrial UseIndustrial Use

(https://reader009.{domain}/reader009/html5/052

Flood ControlFlood Control

PantabanganPantabanganDam (NIA)Dam (NIA))

HydropowerHydropower

(http://energy-elink.com/files/images)

Water ManagementWater Management

& Regional& Regional

DevelopmentDevelopment

Inland Navigation/RecreationInland Navigation/Recreation

CalirayaCalirayaDamDam

AgusAgus6 (Ma. Cristina Falls) in6 (Ma. Cristina Falls) inIliganIligan

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Angat HEP Dam BenefitsAngat HEP Dam BenefitsUMIRAY

RIVER BASIN

A1 6MW

A4 10MW

M1 50MW

M2 50MW

M4 50MW

DomesticWater

Supply

Irrigation

FLOOD CONTROL

A2 6MWA3 6MW

A5 18MW

M3 50MW

ANGAT

RESERVOIR

22 cms

36 cms

ONE OF THE BENEFITS IN ANGAT

DAM IS ALSO INLAND NAVIGATION.

MWSS EQUIPMENT ARRIVE UMIRAY

PROJECT THRU ANGAT RESERVOIR

FLOOD CONTROL

BENEFITS IS

MANAGE THRUTHE USE OF

SPILLWAY IN

COOPERATION

WITH PAGASA

IPO DAM

BUSTOS DAM

LA MESA DAM

SPILLWAY

HYDROPOWER

ANGAT

RIVER

HAGONOY

97% OF MM

DOMESTIC

WATER

31,000

HECTARES

Water allocation is

managed by NWRB

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W ater Managem ent & Regional Developmen tW ater Managem ent & Regional Developm ent

Agus 6(Ma. CristinaFalls) inIligan City

I. Introduction

a. Benefits of dam sa. Benefits of dam s

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66

b.b. Dam Owner s in the PhilippinesDam Owner s in the Philippines1.1. National Pow erNational Pow er

Corpor ation (NPC):Corpor ation (NPC):

dams for power generationdams for power generation2.2. National Irr igationNational Irr igation

AdministrationAdministration(NIA)(NIA):: for irrigationfor irrigation

3.3. MetropolitanMetropolitan

W aterw orks &W aterw orks &Sewer age SystemSewer age System(MWSS)(MWSS) :: for domesticfor domesticwater supplywater supply

4.4. Department of PublicDepartment of Public

Works & HighwaysWorks & Highways(DPWH):(DPWH): for floodfor floodcontrolcontrol

5.5. Private m iningPrivate miningfirmsfirms :: for properfor proper

disposal and control ofdisposal and control ofmine tailingsmine tailings

Example of a mine tailings dam

I. Introduction

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c. The National Pow er Corpo ration (NPC)c. The National Pow er Corpo ration (NPC)

Manages 90%Mana ges 90% of largeof largedams in the Philippines.dams in the Philippines.

Dam constructionDam constructionperiodperiod:: 1929 to 2000 with1929 to 2000 witha total of 22 damsa total of 22 damsconstructedconstructed

Dam typeDam type ::Embankment andEmbankm ent andconcrete gravityconcrete gravity

Oldest damOldest dam :: BotocanBotocan

Dam; concrete gravity;Dam; concrete gravity;commissioned in 1930;commissioned in 1930;height 30.48 m; forheight 30.48 m; forhydropower.hydropower. San Roque Dam in PangasinanSan Roque Dam in Pangasinan -- earthearth

core embankment dam; commissionedcore embankment dam; commissioned

in 2003; 200in 2003; 200--meter high; multipurpose.meter high; multipurpose.

I. Intro duction

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MAGATMAGAT

AMBUKLAOAMBUKLAO BINGABINGA

SAN ROQUESAN ROQUE

PANTABANGANPANTABANGAN--

MASIWAYMASIWAYANGATANGAT

CALIRAYACALIRAYA--LUMOTLUMOT--

BOTOCANBOTOCAN

BUHIBUHI --BARITBARIT

AMLANAMLAN

LOBOCLOBOC

PULANGIPULANGIIVIV

TALOMOTALOMO

BALONGBONGBALONGBONG

CAWAYANCAWAYAN

CASECNANCASECNAN

AGUS HEPAGUS HEP

COMPLEXCOMPLEX

AGUSANAGUSAN

BAKUNBAKUN

Location map of Philippine DamsLocation map of Philippine Dams

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d. Electr ic Pow er Industryd. Electr ic Pow er Industry

Refor m Act (EPIRA) RA 9136Refor m Act (EPIRA) RA 9136

Privatization of all NPC power generating plantsPrivatization of all NPC power generating plants

including hydroelectric plants.including hydroelectric plants.

Retention of ownership, management, operationRetention of ownership, management, operationand maintenance of the non power componentsand maintenance of the non power components

(dam structure and all other appurtenant(dam structure and all other appurtenantfacilities) to NPC, PSALM or NIA.facilities) to NPC, PSALM or NIA.

O & M agreement with the private operator toO & M agreement with the private operator to

cover the dam structure & appurtenant facilities.cover the dam structure & appurtenant facilities.

EPIRA I m p lem en t in g R u les a n d R eg u la t io n s

Pa r t I V Pr iv a t iz a t i o n o f N a t io n a l Po w e r Co r p o r a t io n

R u le 23 Pr i v a t i z a t i o n o f t h e A s s e t s o f N P C

S e c t io n 6 Pr iv a t iz a t i o n o f H y d r o e le ct r ic Ge n e r a t io n Pla n t s

I. Intro duction

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1010

e. NPC Dam Safety Programe. NPC Dam Safety Program Dam SafetyDam Safety the artthe art

and science ofand science ofensuring the integrityensuring the integrity

and viability of damsand viability of dams

such that they do notsuch that they do notpresent unacceptablepresent unacceptable

risks to the public,risks to the public,

property, and theproperty, and theenvironment.environment.

I. Intro duction

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e. NPC Dam Safety Programe. NPC Dam Safety ProgramMain ActivitiesMain Activities

1. Inspection:Inspection:surveillancesurveillance(daily, weekly,(daily, weekly,monthly);monthly);

semisemi--annualannualinspectioninspection(twice a year);(twice a year);andand periodicperiodic

inspectioninspection(once every five(once every fiveyears).years).

AmbuklaoAmbuklao--Binga Inspection and Monitoring TeamBinga Inspection and Monitoring Team

I. Intro duction

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e. NPC Dam Safety Programe. NPC Dam Safety ProgramMain ActivitiesMain Activities2. Monitor ing andMonitor ing and

Assessment:Assessment:instrumentationinstrumentation(piezometers,(piezometers,inclinometers, movementinclinometers, movementsurvey monuments), datasurvey monuments), data

management, andmanagement, andevaluation.evaluation.

3. Readiness:. Readiness: emergencyemergency

action plans (identification,action plans (identification,operation and repair,operation and repair,notification, training,notification, training,exercises and coordination).exercises and coordination).

Groundwaterpressure

monitoring

Seepagemonitoring

Movement Survey Monuments (MSM)

I. Intro duction

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a. Types of Dam Emergenciesa. Types of Dam Emergencies

11) Earthquak e Occurr ence) Earthquak e Occurr ence 2) Severe flooding & o vertopping2) Severe flooding & over topping

3) Embankm ent3) Embankm ent

deformation ordeformation orcrackingcracking 4) Embankm ent seepage or piping4) Embankm ent seepage or piping

II. Dam Emergencies

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a.a. Types of Dam EmergenciesTypes of Dam Emergencies

5) Upstream da m failure5) Upstream dam failure 6) Severe r eservoir landslides6) Severe r eservoir landslides

7) Abnorm al instrum entation7) Abnorm al instrum entation

readingreading8) Sabotage8) Sabotage

II. Dam Emergencies

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b. NPC Dam Emergency Organizationb. NPC Dam Emergency Organization

Chairman (Local) /

Plant Manager

AssistantChairman

(Local)

DRFFD

Disaster

Control

Finance Senior VicePresident

Rescue

Team

MedicalTeam

Evacuation

TeamSecurityTeam

Transportation

TeamSupplyTeam

LegalServices

CorporateCommunication

EnvironmentalManagement

ContingencyResponse

Team

Members Members Members Members MembersMembersMembers Members

Communication

Team

Task Force

DRFFDDRFFD --Dams, Reservoirs &Dams, Reservoirs &

Flood Forecasting Dept.Flood Forecasting Dept.

Dams, Reservoirs andDams, Reservoirs and

Waterw ays Division (DRW D)Waterw ays Division (DRW D)

Flood Forecasting andFlood Forecasting and

Wa rning System for DamWa rning System for Dam

Operations (FFWSDO)Operations (FFWSDO)

II. Dam Emergencies

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c. Reporting Dam Distressc. Reporting Dam Distress

Report evidence of distressReport evidence of distressimmediately to the highestimmediately to the highestpersonnel onpersonnel on--duty.duty.

Report it to the Plant Manager ifReport it to the Plant Manager ifevaluation of evidence indicatesevaluation of evidence indicatesthe need for immediate remedialthe need for immediate remedialaction.action.

Conduct post distress jointConduct post distress jointinspection to evaluate damagesinspection to evaluate damagesor changes.or changes.

Implement restrictions if theImplement restrictions if thedistress is significant enough todistress is significant enough torequire operational restrictions.require operational restrictions.

Before the accidentBefore the accident

After the accide ntAfter the accide nt

Accident at Saya noAccident at Saya no --Shusyenksaya HEShusyenksaya HE

Pow er Plant in Russia due to suddenPow er Plant in Russia due to sudden

water pressure surge know n aswater pressure surge know n as waterwater

hammer.hammer. ..

II. Dam Emergencies

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d. Emergency Conditions/Respo nse Leveld. Emergency Conditions/Respo nse Level

LEVEL 3LEVEL 3 : Anactual dam failurehas occurred or ismost likely tooccur.

EmergencyEmergency

ResponseResponse

AgenciesAgencies

initiateinitiate

evacuationevacuation

procedures.procedures.

LEVEL 1LEVEL 1 : An emer gency exist at the: An emer gency exist at the

dam but theredam but there s no imm ediate threats no imm ediate threat

to the integrity of the dam .to the integrity of the dam .

Emer gency Response Agencies to beEmer gency Response Agencies to be

on alert and aw ait further advisory.on alert and aw ait further advisory.

LEVEL 2LEVEL 2 : A developing threat: A developing threat

to the safety of the dam thatto the safety of the dam thatma y pose a significant hazard ifm ay pose a significant hazard if

conditions worsen .conditions wor sen. EmergencyEmergency

Response Agencies organizeResponse Agencies or ganize

the Response Team at variousthe Response Team at various

level and aw ait fur therlevel and aw ait fur theradvisory.advisory.

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a. Preventive & W arning System sa. Preventive & W arning System s

Measures to prevent dam emergency conditionsMeasures to prevent dam emergency conditionsfrom developing include the following :from developing include the following :

a)a) StateState--ofof--thethe--art engineeringart engineering

standards used for design,standards used for design,

construction, operation,construction, operation,

maintenance and surveillancemaintenance and surveillance..

b)b) Maintenance staff who areMaintenance staff who are

skilled and well trained inskilled and well trained in

operation and maintenanceoperation and maintenance

practices and timely response topractices and timely response to

emergencies.emergencies.

III. Emergency Prepar edness

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b. Opera tion Rules &b. Operation Ru les &

W arning Procedur esW arning Procedures

Flood Operation RuleFlood Operation Rule

Flood Warning ManualFlood Warning Manual

Dam Discharge WarningDam Discharge WarningManualManual

c. Response du ring darknessc. Response during darkness

Spilling oper ation in Angat DamSpilling oper ation in Angat Dam All onAll on--call personnel and seniorcall personnel and seniormanagement will be notified.management will be notified.

The damThe dams principal structures ares principal structures areequipped with appropriate externalequipped with appropriate external

lighting.lighting. BackBack--up/standby generator and/orup/standby generator and/or

emergency lighting are available at theemergency lighting are available at themain structures, powerhouse, controlmain structures, powerhouse, controlroom, and other key stations.room, and other key stations.

Additional floodlights to aid in theAdditional floodlights to aid in theinspection of the generally unlit areas.inspection of the generally unlit areas.


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2020

Responsibilities of theResponsibilities of theOperatorOperators staff ands staff andNotification procedureNotification procedureremains unchanged.remains unchanged.

The Senior Operator becomesThe Senior Operator becomesthe EAP Coordinator and thethe EAP Coordinator and theoperations staff on duty willoperations staff on duty willconduct initial preventive orconduct initial preventive ormitigative actions.mitigative actions.

Immediately thereafter, allImmediately thereafter, allonon--call personnel and seniorcall personnel and seniormanagement will be advisedmanagement will be advisedand appropriate responseand appropriate responseactions initiated.actions initiated.

1)1) Typhoon conditions with highTyphoon conditions with highwinds.winds.

2)2) Storms with intense rainfall.Storms with intense rainfall.

3)3) Prolonged rainsProlonged rains** Heavy rains can cause localHeavy rains can cause local

flooding and provincial roadflooding and provincial roadwashouts, loss of normalwashouts, loss of normaltelephone service, poor visibilitytelephone service, poor visibilityand difficult working andand difficult working andinspection conditions.inspection conditions.

c. Adverse W eather Conditionc. Adverse W eather ConditionHeavy rains canHeavy rains can

cause local floodingcause local flooding

& provincial road& provincial road

washouts, loss ofwashouts, loss ofnormal telephonenormal telephone

service, poorservice, poor

visibility & difficultvisibility & difficult

working &working &

inspectioninspectionconditions.conditions.


c. Response dur ing w eekends &c. Response dur ing w eekends &

holidaysholidays

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c. Response dur ing adverse w eatherc. Response dur ing adverse w eather

Dam operators to obtain andDam operators to obtain andinterpret weather forecasts.interpret weather forecasts.

Typhoon tracking via satellite.Typhoon tracking via satellite. An appropriate number of theAn appropriate number of the

OperatorOperators staff to remain on sites staff to remain on siteduring an anticipated majorduring an anticipated majortyphoon.typhoon.

PAGASA to provide predictivePAGASA to provide predictivereservoir inflows.reservoir inflows.

FFWSDO to provide spillway gateFFWSDO to provide spillway gateoperation instructions to controloperation instructions to controlroom.room.

Precipitation, reservoir inflowPrecipitation, reservoir inflowand gate operation instructionsand gate operation instructionsare continually monitored andare continually monitored and

adjusted before, during and afteradjusted before, during and afterthe storm event.the storm event. http://www.typhoon2000.ph/articles/Patsy1970.jpg


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2222

d. Adaptation to rainfall/flooding/droughtd. Adaptation to rainfall/flooding/drought

Enhanced implementation of protection measuresEnhanced implementation of protection measures

including flood forecasting and warning.including flood forecasting and warning. Regulation through planning, legislation and zoning.Regulation through planning, legislation and zoning.

Promotion of insurance.Promotion of insurance.

Relocation of vulnerable assets.Relocation of vulnerable assets.

Reservoir simulation/ forecast to sustain waterReservoir simulation/ forecast to sustain water

demand during dry period.demand during dry period.

Utilize alternative power to hydropower to conserveUtilize alternative power to hydropower to conserve

water.water.

Education for sustainable water use.Education for sustainable water use.


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2323

Increase monitoring ofIncrease monitoring of

climatologic and waterclimatologic and waterresource condition.resource condition.

Improve floodImprove flood--forecasting toforecasting toassess future flood protectionassess future flood protection

needs.needs.

Assess effects on hydropowerAssess effects on hydropowergeneration.generation.

Improve interaction andImprove interaction andcoordination with concernedcoordination with concernedagencies and academe.agencies and academe.

e. Strategies to Address Impact of Clim ate Changee. Strategies to Addre ss Impact of Clima te Chan ge

to Dam Operationto Dam Operation


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Microw ave StationsMicrow ave Stations W ar ning StationsW ar ning Stations

Dam and facilities are linked internally and externally by reliableredundant communication systems, as follows:

1) Telephone lines from the local telephone service provider.2) VHF radio for onsite communications, satellite and mobile telephone

service to PDCC and the regional OCD.


f. System s of com m unicationsf. System s of com m unications

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g. Notification Flow chartg. Notification Flow chart

EMERGENCYCONDITION AT

DAM

OBSERVER

DAMOPERATOR

OPERATOR

MANAGEMENT

PANEL OF

EXPERTS

PAGASA

FFWSDO

NP C

OFFICE OFCIVIL DEFENSE

OFFICE OF THEGOVERNOR

(PDCC)

DOWNSTREAMMUNICIPALITIES

MEDIA OFFICE OF THE

MUNICIPALMAYOR

BARANGAYCAPTAIN

G E N E R A L P U B L I CReference: Emergency Action Plan,San Roque Dam, PangasinanVersion 1.5, February 2008


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Emergency Action PlanEmergency Action PlanSan Roque Dam, PangasinanSan Roque Dam, Pangasinan

Version 1.5, February 2008)Version 1.5, February 2008)

d

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h. Angat Dam Subh. Angat Dam Sub --area FFW SDO hotlinearea FFW SDO hotline

num bers dur ing spilling oper ationsnum bers dur ing spilling oper ations


MUNICIPALITYMUNICIPALITY NUMBERNUMBER CONTACT PERSONCONTACT PERSON

MPDC/MPDOMPDC/MPDO-- Norzagaray, BulacanNorzagaray, Bulacan (044) 694(044) 694--06260626 Cezyl NicolasCezyl Nicolas

MPDC/MPDOMPDC/MPDO-- Angat, BulacanAngat, Bulacan (044) 671(044) 671--16501650 Belen AbestrosBelen Abestros

MPDC/MPDOMPDC/MPDO-- BustosBustos--BulacanBulacan (044) 766(044) 766--25432543 Che Che PlenoChe Che Pleno

(044) 617(044) 617--12341234 Sec. Bong BernalesSec. Bong Bernales

MPDC/MPDOMPDC/MPDO-- San Rafael, BulacanSan Rafael, Bulacan (044) 902(044) 902--01680168 Agustito MendozaAgustito Mendoza

MAYORMAYORS OFFICES OFFICE-- Baliuag, BulacanBaliuag, Bulacan (044) 673(044) 673--40594059 Michelle DivinaMichelle Divina

MPDC/MPDOMPDC/MPDO-- Baliuag, BulacanBaliuag, Bulacan (044) 673(044) 673--37623762 Nemencio de Leon/Benjie FloresNemencio de Leon/Benjie Flores

MPDC/MPDOMPDC/MPDO-- Plaridel, BulacanPlaridel, Bulacan (044) 795(044) 795--03660366 Leonora Bibas/Reynaldo de la CruzLeonora Bibas/Reynaldo de la Cruz

MPDC/MPDOMPDC/MPDO-- Pulilan, BulacanPulilan, Bulacan (044) 795(044) 795--01280128 Efren MirandaEfren Miranda

(044) 215(044) 215--62126212 Vice MayorVice Mayors Offices Office

PDCCPDCC-- Malolos, BulacanMalolos, Bulacan (044) 791(044) 791--10531053 Luz MungcalLuz Mungcal

IPO DAM OFFICEIPO DAM OFFICE Hermie MedranoHermie Medrano

PAGPAG--ASA OFFICEASA OFFICE 928928--27542754

AHEPP OFFICEAHEPP OFFICE 924924--54585458

III E P d

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i. Emergency Action Plan (EAP)i. Emergency Action Plan (EAP)


An EAP is a formal document thatidentifies or contains:

potential emergency conditions

at a dam pre-planned actions to be

followed to minimize propertydamage and loss of life

actions the dam owner should

take to moderate or alleviatethe problems at the dam procedures and information to

assist the dam owner in issuingearly warning and notification

to downstream emergencymanagement authorities inundation maps to show the

critical areas for action in caseof an emergency. (Ref: FederalEmergency Management Agency,

http://www.fema.gov/plan/prevent/damfailure/fema64.shtm)

San R oque Dam EAP Genera l ResponsibilitiesSan Ro que Dam EAP Genera l Responsibilities

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Government of the PhilippinesGovernment of the Philippines OwnerOwner OperatorOperator

AgencyAgency 1)1) National GovernmentNational Government

Agencies: NDCC, OCD,Agencies: NDCC, OCD,

PAGASAPAGASA

2)2) Local GovernmentLocal Government

Agencies: RDCC, PDCC,Agencies: RDCC, PDCC,

MDCCMDCC

3)3) Community Leaders,Community Leaders,

Other related agenciesOther related agencies

(mandated under PD(mandated under PD

1566)1566)

NPCNPC San Roque Power CorporationSan Roque Power Corporation

(SRPC)(SRPC)

ResponsibilityResponsibility

Jurisdictional guidanceJurisdictional guidanceand provision ofand provision of

organization andorganization and

resources for emergencyresources for emergency

preparedness ofpreparedness of

communities locatedcommunities located

downstream.downstream.

Initiate and terminateInitiate and terminate

emergency instructionsemergency instructions

including evaluationincluding evaluation

within respective areas ofwithin respective areas of

jurisdictionjurisdiction

Provide dispatchProvide dispatchinstructions toinstructions to

Operator for allOperator for all

water releases.water releases.

Implement andImplement and

maintain FFWSDOmaintain FFWSDOand spillway gateand spillway gate

operationoperation

instruction.instruction.

PMC to issue powerPMC to issue power

and low level outletand low level outlet

release instructions.release instructions.

Operate and maintain theOperate and maintain theSan Roque Dam.San Roque Dam.

Establish Dam EmergencyEstablish Dam Emergency

Action Plan.Action Plan.

Initiate Notification andInitiate Notification and

provide updates for damprovide updates for damrelated Emergencyrelated Emergency

Advisories.Advisories.

Terminate emergencyTerminate emergency

condition at the Damcondition at the Dam

following instructions fromfollowing instructions fromGOP.GOP.

q pq p

III E P dIII E P d

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i. Em er gency Action Plan (EAP)i. Em ergency Action Plan (EAP)III. Emergency Prepar ednessIII. Emergency Prepar edness

Flood Hazar d MapFlood Hazar d Map

IV Phili i LIV Phili i L

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IV. Philippine Law sIV. Philippine Law s

Related to Dam SafetyRelated to Dam Safety R.A. No. 9136 approved on February 27, 2002 and itsR.A. No. 9136 approved on February 27, 2002 and its

Implementing Rules and Regulations (Part IV, Rule 23, SectionImplementing Rules and Regulations (Part IV, Rule 23, Section6.d) states:6.d) states: The NPC and PSALM, or NIA, as the case may beThe NPC and PSALM, or NIA, as the case may be

shall continue to be responsible for the dam structure and all oshall continue to be responsible for the dam structure and all othertherappurtenant structures necessary for the safe and reliable operaappurtenant structures necessary for the safe and reliable operationtionof the hydropower plants. The NPC, PSALM, or NIA as the caseof the hydropower plants. The NPC, PSALM, or NIA as the casemay be, shall enter into an operation and maintenance agreementmay be, shall enter into an operation and maintenance agreementwith the private operator of the power plant to cover the damwith the private operator of the power plant to cover the dam

structure and all other appurtenant facilities.structure and all other appurtenant facilities.

The Philippine Water Code and its Implementing Rules andThe Philippine Water Code and its Implementing Rules andRegulations (Chapter III, Article 63, Rule II, Section 40 asRegulations (Chapter III, Article 63, Rule II, Section 40 asadopted on June 11, 1979):adopted on June 11, 1979): Employment of Engineer in DamEmployment of Engineer in Dam

OperationsOperations--All operators of storage dams exceeding 10 meters highAll operators of storage dams exceeding 10 meters highor overflow dams exceeding 2 meters high from the stream bed shaor overflow dams exceeding 2 meters high from the stream bed shallllmake arrangements for the periodic inspection of said structuresmake arrangements for the periodic inspection of said structuresand its operating equipment by a registered civil engineer for tand its operating equipment by a registered civil engineer for thehepurpose of identifying conditions which may adversely affect thepurpose of identifying conditions which may adversely affect the

safety of these structures and giving advise to the operator onsafety of these structures and giving advise to the operator onthetheproper maintenance and operation thereof.proper maintenance and operation thereof.

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TTDams Reservoirs & Flood Forecasting DepartmentDams Reservoirs & Flood Forecasting Department

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3333

TT

hhaa

nn

kkyy

oouu

!!

End of PresentationEnd of Presentation

Dams, Reservoirs & Flood Forecasting DepartmentDams, Reservoirs & Flood Forecasting Department

National Power CorporationNational Power Corporation

www.napocor.gov.phwww.napocor.gov.ph
http://www.napocor.gov.ph/http://www.napocor.gov.ph/http://www.napocor.gov.ph/

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