822 P1195

OFTHE

CODE ON SANITATION OF THE P*11LWP~ES(PD. 856)

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IMPLEMENTING RULES AND REGULATIONS OF CHAPTERXVII - “SEWAGE COLLECTION AND DISPOSAL, EXCRETA DIS-POSAL AND DRAINAGE” OF THE CODE ON SANITATION OFTHE PHILIPPINES(P.D. 856)

TABLE OF CONTENTS

Section 1 : Scope I

Section 2 : Definition of Terms 1

Section 3 : Individual Excretaand SewageDisposal System 4

Section 4 : Designand Contructionof SepticTanks,LeachingTile Field and HouseSewers 9

Section 5 : Public SewerageSystem 16

Section 6 : Damageto Public Sewerof Sewage

DisposalFacilities 18

Section 7 AbandonedSewerand Sewage

DisposalFacilities 18Section 8 : Drainage 19

Section 9 : Special Establishment 19

Section 10 : Special Precautionfor RadioactiveExcretaand

Urine of HospitalizedPatient 19

Section 11 : PenalProvision 19

Section 12 : SeparabilityClause 20

Section 13 : RepealingClause 20

Section 14 : Effectivity 20

Table I : Quantitiesof SewageFlow 21

LIBRARY IRCP0 Box 93190, 2509 AD THE HAGUE

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Republicof thePhilippines SAN LAZARO COMPOUND

Departmentof Health RIZAL AVENUE, STA CRUZ

OFFICE OF THE SECRETARY , PHILIPPINES

15 November1995

IMPLEMENTING RULES AND REGULATIONS OF CHAPTERXVII - “SEWAGE COLLECTION AND DISPOSAL, EXCRETA DIS-POSAL AND DRAINAGE” OF THE CODE ON SANITATION OFTHE PHILIPPINES (P.D. 856)

To carry out the provisions of ChapterXVII - “SewageCollection andDisposal,ExcretaDisposal and Drainage”, theserules andregulationsarehereby formulated for implementationand strict complianceof all con-cerned.

SECTION 1: SCOPE

Theseimplementingrules and regulationsshall apply to all public and pri-vate sewageand excretacollection and disposalsystemprojectplanned byany governmentagencyor instrumentality including government-ownedorcontrolledcorporations,private organizations,firms, individuals or otherentities.

SECTION 2: DEFINITION OF TERMS

As usedin theserules andregulations,the terms below shall be definedas

follows:

1. Approvedexcretadisposal facilities shall mean any of the following:

1.1. Any approvedtype of privy suchas:

a. Flush toilet connectedto:

a. 1 community sewer

a.2 imhoff tank

a.3 septic tank

a.4 digestertank

1

a5 chemicaltank

b. Pit privy suchas:

b. I VentilatedImprovedPit (VIP) Latrine

b.2 Pit type

b.3 ‘~Antipolo”toilet

1.2 Any disposaldevice approvedby theSecretaryof Healthor hisduly authorizedrepresentative.

2. Communal Excreta Disposal System - an excretadisposal systemserving a groupof dwelling unit.

3. Chemical Privy - a privy where fecal matteris depositedInto a tankcontaininga causticchemical solution to prevent septicactionwhile theorganicmatter is decomposed.

4. Department - the Departmentof Health.

5. Digestive Cesspool - a pit for the receptionor detentionof sewage.

6. Distribution Box - a small concretereceptaclebetweenthe septictankand the drain field from which lines of drain tiles extend and whichactsas surgetank to distribute the flow of sewageequally to eachlineof drain tiles.

7. Distribution line of a leaching tile system - the pipe from within thedistribution box to the drainfield.

8. DomesticSewage- the sewagecontaininghumanexcrementand liquidhouseholdwaste. Also called sanitarysewage.

9. Drainage System - thedrainagepipesof a plumbing systemtaking thewastewater from the plumbing fixtures anddelivering It to theseweror someotheroutlet.

10. Freeboard or Airspace of a Septic Thnk - thedistanceas measuredfrom the liquid level line to the inside top of the septictank.

11. HouseSewer- the pipelineconveyingsewagefrom thehouseor build-ing to the septictankor to any point of discharge.

12. Individual Excreta Disposal System - an excretadisposal systemserving a dwelling unit.

13. Individual SewageDisposalSystem- a sewagedisposalsystemserv-ing a dwelling unit/building.

14. Local HealthOfficer - Provincial, City or Municipal Health Officer.

15. Local HealthAuthority - an offlâial or employeeresponsiblefor theapplicationof a prescribedhealth measurein a local political subdivi-sion. For the provincial level, the Local HealthAuthority is fileGovernor,and the Mayor for acity or municipality as the casemaybe.

16. OperationalPermit - the permit to dischargeeffluent from sewagedis-posal system.

17. Privy - astructurewhich is not connectedto a seweragesystem andisused for the reception,dispositionand storageof fecesor otherexcretafrom thehuman body.

18. Public SanitarySewer- is a common sewerto which all abuttershaveequal rights of connections.

19. Public Toilet - a toilet facility located at public placeslike markets,bus stations,buildings,etc. intendedfor public use.

20. SanitaryEngineer- a personduly registeredwith the Board ofExaminersfor SanitaryEngineers(R.A. 1364)and who headsthe sani-tation division or sectionor unit of the provincial/city/municipalhealthoffice or employed with the Departmentof Healthor its regional fieldhealth units.

21. SanitationInspector- agovernmentofficial or personnelemployedbythe national, provincial, city or municipal government,who enforcessanitaryrules, laws and regulationsand implementsenvironmentalsanitationactivities underthe supervisionof theprovincial/city/munici-pal healht officer/sanitaryengineer.

22. Secretary- the Secretaryof Health.

23. Septic Tank - a water tight receptaclewhich receivesthedischargeofa plumbing systemor part thereof, and is designedto accomplishthepartial removal anddigestionof the suspendedsolid matterin the sew-agethrougha period of detention.

24. Septic TankAbsorption Bed or Drain Field - an undergroundsystemof pipes leading from the outlet of theseptictank, consistingof openjointed or perforatedpipes so distributedthat the effluent fi~ma septictank is oxidized andabsorbedby the soil.

25. SewageDisposal System- a systemof collection, transportation,treat-ment and disposalof sewage.

26. Sewer pipe, conduitor channelintendedto convey sewage.

27. Sewerageor SewerageWorks - systemof pipes, pumps,devicesandother appurtenantstructuresfor the collection, transportationand finaldisposalof wastewater.

SECTION 3: INDIVIDUAL EXCRETA AND SEWAGEDISPOSAL

SYSTEM

3.1 Individual ExcretaDisposalSystem

3.1.1 Every newhouse/buildingto be constructedshallbeprovidedwithplan andspecificationsfor excretadisposal systemapprovedbythe local health authority prior to construction.The city or mu-nicipal Building Official shall refer all applicationsfor Sanitary(Plumbing)Permit to the local health authority for checkingofsanitary facilities, prior to the issuanceof the building permit.

3.1.2 All houses/buildingswithout an approvedexcretadisposalsystemshall be required to constructsuchfacilities under the supervi-sion of the local health officer.

3.1.3 The privy recommendedfor useis the sanitaryprivy. It shallconform with the following minimum requirements.

a. It shall consistof an earthenpit, a floor coveringthe pit,and a water-sealedbowl. It shall be so constructedin orderthat fecal matterand urinebe depositedinto the earthenpit

b. The pit shall be at least one meter square.

c. The floor shouldcover the pit tightly to preventthe entranceof flies. It shall be constructedof concreteor otherimper-vious material.

d. The water-sealedbowl shall be joined to the floor so as toform a water-tight and insectproofjoint.

e. A suitableenclosure,shall be constructedto provide comfort

and privacy for the usersof the privy.

f. Woodenfloors and seatrisers shall not be used.

3.2 Individual SewageDisposal System

3.2.1 Installation requirements

a. When a public sanitaryseweris not availablein any streetabuttingsucha lot or premises,wastewaterpiping from anybuilding or works shall be providedwith individual sewagedisposal systemof approvedtype and design.

b. The public sanitarysewermay be consideredas not beingavaliablewhensuchpublic sanitarysewer is locatedmorethan 100 metersfrom any proposedbuilding on any lot orpremises.

c. Individual sewagedisposalsystemshall not be installed,maintainedor operatedon propertyaccessibleto public sani-tary seweragesystem.

d. Sanitary(Plumbing) Permit shall not be issuedfor installa-tion, alterationor repairof any private sewagedisposalsys-tem or part thereof, on any lot for which a connectionwithpublic sanitaryseweris available.

e. Eachindividual sewagedisposalsystemshall servea dwell-ing on an individual lot and shall be properly maintainedingood working condition by the owner. Any failure to provideand properly maintain sucha systemor to dischargeall thesewagefrom the premisesinto the disposalsystemmay bedeclareda public healthhazardby the local healthauthority.

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f. Wheneveran approvedpublic sanitaryseweragesystemisaccessibleto the property, any individual sewagedisposalsystemshall be abandonedand the huosesewershall be di-rectly connectedto the public sewer.

3.2.2 Approval

a. The property owner orhis authorizedrepresentativeagentshall file an applicationfor a Sanitary(Plumbing) Permitwith the local health authorityfor construction,installation,alteration,or extensionof an individual sewagedisposalsys.tern and the sub-surfaceabsorptionsystemor other treatmentdeviceprior to start of work.

b. The applicationshall be madein writing on a form pre-scribedby the Departmentof Health and shall contain allpertinent informationrelative to the location, construction,installation, alterationor extensionof a individual sewagedisposal system.

c. Drawings andspecifications

The Local Health Authority havingjurisdiction may requireany or all of the following informationbefore Sanitary(Plumbing) Permit is issuedfor a houseor building seweroran individual sewagedisposalsystem:

i. Plot plan drawn to scalecompletelydimensioned,showing direction andapproximateslopeof surface,location of all presentor proposedretaining walls,drainagechannels,water supply lines or wells, pavedareasand structureson the plan, numberof bedroomsor plumbing ftxtures in each structureand locationofthe building sanitarysewerand individual sewagedis-posal systemwith relationto lot linesand structures.

ii. Necessaryplans and specificationsshall be prepared,signedand sealedby a RegisteredSanitaryEngineerora RegisteredMasterPlumber,as the casemay require.

iii. A log of soil formations and ground water levels asdeterminedby test holes dug in closeproximity to

any proposedseepagepit or disposal Field, togetherwith astatementof water absorptioncharacteristicsof the soil atproposedsite as determinedby approvedpercolationtests.

d. Locationof any toilet or sewagedisposalsystemshall be inaccordancewith the plans and specificationsprescribedbythe Departmentof Health.

3.2.3 Disposalof Sewage

a. Untreatedsewageand effluent of septic tank or otherpu-trescibleor offensivewastesshall not be dischargedonto thesurfaceof the groundor into any street,road, alley, openex-cavation, strom watersewer,landdrain ditch, adjoining prop-erty, watercourseor body of water.

b. Sewageand effluent of a septic tank or other putrescible,impure or offensivewastesshall not be dischargedinto anabandonedwater supply well, spring, or cistern or into anaturalor artificial well, sink hole,crevicesor otheropeningextendinginto limestone,sandstonesor other rock or shaleformation.

c. Individual sewagedisposalsystemutilizing leachingfields,leachingbeds,or leachingwells shall not be permittedwherethe depth to normal groundwateror rock stratais less than1.20 meters.

~i. A leaching systemshall not be installed in an areawherethe texture, structureand porosity of the soil are not suitableas determinedby a percolationtest perfonnedby a registeredcivil/sanitaryengineer.The local healthauthority may requireas manypercolationtestsas may be necessaryto determinethe acceptabilityof the site.

e. No leachingtile field or bed shall be installedwhereperco-lation rate is less than2.54 cm. (1 in.) fall in water level inthe test holes in 60 minutes.

f. No seepagepit or leachingwell shall be installedwhere thepercolationrate is less than2.54 cm (I in.) fall in water intothe testholes in 30 minutes.

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g. No personshall install individual householdsewagedisposalsystemin a new subdivision,unlesssite is consideredto beimpracticableand inadvisableto install apublic sewagecol-lection systemwith the requiredtreatment.

a. No personshall dischargeor permit or causeto be dis-chargedthe effluent from an individual sewagedisposalsys-tem or other putrescibleor offensivewastesfrom his pre-misesunlessan applicationfor an operationalpermithasbeenapprovedby the local healthauthority.

b. Only a personor dwelling owner who compileswith the re-quirementsof theserules and regulationsshall be entitled toreceiveand retain an operationalpermit.

c. The local health authority at any reasonabletime may in-spectthe sewagedisposalsystem,samplethe effluent, ortake any other step which he deemsnecessaryto ensurecompliancewith theserules and regulations.The local healthauthority mayutilize inspectionandreports submittedbylocal healthofficer, sanitaryengineeror otherqualified na-tional or local governmentpersonnelto determineoperationalcompliance.

a. Individual sewagedisposalsystemsshall be installedon suf-ficient areaand suitable topographyto permit compliancewith theserules and regulations.

b. The design,construction,installation, location,maintenance,and operationof individual sewagedisposalsystemsinclud-ing septictanks, leachingtile fields, leachingbeds,leachingwells, housesewers,privies andany othertreatmentsystemor part thereofshall comply with the minimum standardsand engineeringpracticeswhich areacceptableto the Depart-ment of Health.

SECTION 4: DESIGN AND CONSTRUCTION OF SEPTIC TANKS,LEACHING TILE FIELD AND HOUSE SEWERS

4.1 Septic Tank

4.1.1 Design Capacity

The septictank capacitymay be determinedfrom the quantitiesof sewageflow containedin Table 1 ChapterXVII of theCode on Sanitationof the Philippines(seeAnnex), basedon wi-equatedetentiontime interval resulting in efficient sedimenta-tion. Daily flow from meteredwaterconsumptionmay be usedto estimateflow when available.For buildings with occupants,the numberof personsto be servedshall be computedbasedonthe numberof rooms andconsideringeachroom as occupiedby two personsor on the basis of the actual numberof personsservedby the tank, whicheveris the greater.

Tanksconstructedin seriesmay be used to accomplishthe re-quired capacityprovidedthe first tankwill furnishat leasthalfof the requiredcapacity.This capacityrequirementallows for theuseof all householdappliancesincluding garbagegrindersand automaticwashers.

4.1.2 Inlet and oullet

a. The invert level of the inlet shall not be less than5 centimeters(2 inches)above the liquid level of the tank.

b. A ventec~inlet baffle or sanitarytee shall be provide to divertthe incoming sewagedownward. The baffles or tee shall pen-etrateat least 15 cm. (6 inches)below the liquid level, but thepenetrationshall not be greaterthanthat allowed for the outletsbaffle or sanitarytee.

c. The outlet shall be fitted with a sanitaryteeor baffle.

d. The outlet baffle or sanitaryteedevice shall extend throughthescumlayerabovetheliquid level of the tankto approximately2.5cm. (1 inch) from the inside top from the tank.

e. The invert of theinlet pipeshall beat alevel not lessthan5 cm.(2 in.) above the invert of the outlet pipe.

3.2.4 OperationalPermit

3.2.5 Lot Dimensions and Areas

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f. Inlet and outlet pipe fittings or baffles, through compartmentpartitionsshallhaveafree vent areaequal to the requiredcross-sectionalareaof the housesewerdischargingtherein.

4.1.3 Tank Proportions

a. The septictankmay havevarious shapesprovided the capacity,inlet, outlet and depthrequirementsaremet. Generally the sep-tic tank is rectangularin shape.If 2 or more compartmentsareused,the first compartmentshall havethe capacity from onehalf to two thirds of the total volume of the tank.

b. The septictank shall havea liquid drawing depthnot less than1.20 meters(4 feet)

c. The verticaldistance from the liquid level to the inside top ofthe tankshall be at least 20 cm. (8 in.).

4.1.4 InspectionManholes

The septic tankshall be providedwith an inspectionmanhole0.36m2 (4ft2) in minimum areaor by an equivalentremovablecover slabto provide accessto the inlet andoutlet devicesandto the compartmentof the tankfor inspectionand cleaning.Oneaccessmanholeshall be locatedover each compartment.SeptictanksInstalledunderconaeteor block top paving shall havetherequiredmanholesaccessibleby extendingthe manholeopeningsto grade.

4.1.5 Constructionof SepticTank

a. Plansand specificationsfor all septictanks shall be submittedtothe local healthauthorityfor approval.Suchplansand specifica-tions shall show all dimensions,reinforcement,structuralcalcu-lations and suchotherpertinentdataas maybe required. hide-pendentlaboratory testsandcalibrationsshall be provided onpit-fabricatedseptictanks as mayberequiredby the local healthauthority.

b. Septictanksshall be constructedof sounddurablematerials,notsubjectto excessivecorrosionor decayand shall be watertight.Eachsuchtankshallbe structurallydesignedto withstandall an-ticipatedearthor otherloadsandshall beinstalledlevel on a solidbed.Structuralandhydraulicdesignshall be in accordancewithgood engineeringpractice.

c. Approvedpre-fabricatedseptic tanksmaybe used.After installa-tion, the tank shall be filled with sufficient amountof water topreventfloating.

d. Roof drains,foundationdrains,areadrainsor cisternoverflowsshall not be madeto enterthe septictankor any part of the treat-ment system.

4.1.6 Location

a. Theseptictankshall be locatednot lessthan25 metersfrom anywell, spring,cistern,or othersourcesof drinking watersupply;notlessthan 1.5 m. (5 ft.) from any waterservice line; andnot lessthan 3.0 m. (10 ft.) away from watermain.

b. Septictanksshallbe locatedsuch thatdesludgingequipmentcanhaveaccessto the openingmanholesconveniently.

c. Septic tanksshall not be locatedunderthe building.

4.1.7 Maintenance

a. Septictanks shall be cleanedbeforeexcessivesludgeor scumisallowedto accumulateand seriouslyreducethe settlingefficiency.

b. Septictanksshall be inspectedat leastoncea yearandbecleanedwhen the bottomof the scummat is within 7.50 ( 3 inches)ofthe bottomof the outletdeviceor the sludgeandscumhasreducedthe liquid capacityby 50%.

c. Tanksshall not be washedor disinfectedafter cleaning.A smallresidualof sludgeshall be left in the tankfor seedingpurposes.

d. Sludgefrom septictanksshall be disposedof by burialor by anyothermethod approvedby the Secretaryor his duly authorizedrepresentativeand not by being emptiedinto openfield, ditchesor bodiesof water.

c)

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4.2 Leaching Tile Field

4.2.1 Design

a. A le~hingtile systemutilizing trenches0.45 m. - 0.90 m.wide is considredto be a leachingtile field.

b. A leachingtile systemutilizing trenchesmorethan0.90 meter(36 inches)wide is consideredto be a leachingbed.

c. Leachingtile fields andleachingbeds,basedon percolationtests, shallhaveaminimumabsorptionareaequivalentto thatrequiredfor a smalldwelling unit having sewageflow of 50gal/cap/day.Only the trench bottom areais to be calculatedas the absorptionarea.

d. Absorptionarearequirementsfor residencesshall conformtothe following:

Average time requiredforwater to fall 2.54 cm. (1”)is indicated by percola-(ion test

Suitabilityof leachingsoil

Square metersof trenchbottomof leach bedbaserequired

1 minuteor less good5 minutes good10 minutes good15 minutes fair30 minutes fair45 minutes poor60 minutes poor

6.5 (70 ft.2)11.61 (125 ft.2)15.33 (165 ft.2)17.65(190 ft.2)23.22 (250 ft.2)27.87 (300 ft.2)30.66 (330 ft.2)

e. Leachingtile field or leachingbedor leaching well or cham-ber shall not be installedin any of the following:

i. In swampy areaor whereponding or flooding is likelyto occur.

ii. Where the percolationrate exceeds60 mins. per 2.5 cm.(1 in.) of water fall.

iii. Where the depthto normal ground wateror rock strata

is lessthan1.2m(4 ft.) belowthebottomof thedevice.

4.2.2 Construction

a. Drain lines shall beconstructedof materialsnot subjectto exces-sive deteriorationandshall be laid with openjoints, exceptthatperforatedclay tile, perforatedbituminousfiber pipe, or otherapprovedmaterialsmay beused,providedthatsufficientopeningsareavailablefor distributionof the effluent into thetrenchareas.(Total areaof perforationsshall be atleast150%of thecross-sec-tional areaof the pipe.)

b. The drainlinesshallhaveaminimumdiameterof 100mm.(4 in.)andshall havearelativelevel grade,but in no instanceshall havea fall greaterthan 1 cm. in 60 minutes.

c. In leachingtile fields theminimumdistancebetweencenterlineoftrenchesshall be at least 1.80 m. (6 ft.).

d. In leaching beds,lines for distributing effluent shall be spaced0.90 m. (3 ft.) from side to side of trench waIls.

e. Final gradingshallbecompletedprior toinstallingaleachingfieldor leaching bed.

f. The leachingtile field or leachingbedshallhaveaminimumdepthof 30.0 cm. (12 in.) of cleangravel, stoneor slagfill, extendingat least5.0 cm. (2 in) aboveand 15 cm. (6 in) below the drainlines.The filter materialshall be 2 cm. to 6.5 cm. (0.80to 2.5 in.)in size.

g. The absorptiontrenchesshall haveaminimumdepthof 45 cm.(18 in.) but not morethan75 cm. (30 in.)

h. Beforeplacing filter material and drain linesin apreparedexca-vation, all smearedor compactedsurfacesshallbe removedfromtrenchesby raking to adepth of 2.5 cm. and the loose materialis removed.Cleanstone,gravel,slagor similar filter materialvary-ing in size from 2.0 cm. to 6.5 cm. shall be placedin the trenchto the depthandgraderequiredby this section.Drain pipeshallbeplacedon filter materialin an approvedmanner.Thedrainlinesshallthenbecoveredwith perviousmaterialto theminimumdepth

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of 5 cm. as requiredby this section,andthis coveredwith un-treatedbuilding paper,strawor similarporousmaterial to preventclosureof voidswith earthbackfill.

Where two or moredrain lines are installed, an approvedclistri-bution box of sufficient size to receivelateral lines shall be con-structedatthe headof each disposalfield. The inverts of all out-lets shall be level andthe invert of the lalet shall be at least 2.5cm. above the outlets. Suitablebafflesshall be provided to in-sure equal flow. Distribution boxesshall be built on a levelconcreteslab installedin natural or compactedsoil.

j. All lateralsfrom an approveddistributionbox to the disposalfield where the gradeexceeds1:2000 (0.0005%)shall be belland spigotvitrified clay or otherapprovedpipe with water tightjoints. Multiple disposalfield laterals,wheneverpracticable, shallbe of uniform length.

Ic Connectionsbetweena septictank and adistributionbox, or be-tween a distribution box anddrainfield, shall be laid withapprovedwatertightjoints on natural groundor compactedfill.

Heavy equipmentshall not be usedover the tile field or bedalter the tile andgravel are in place.

m. Disposal fields shall be constructedas follows:

Minimum numberof drain lines per field 1Maximum lengthof each line 30.0 mMinimum bottom width of trench 0.45 mMinimum spacingside wall to side wall 0.90 mplus 0.6 m for the additional 0.3 m of depthMinimum depth of earthcover over lines 0.30 mMaximum gradeof lines 0.5%Minimum gradeof lines 0.25%Minimum filter material over drain line 5.0 cm.

4.2.3 Location

The leachingtile field or leachingbed shall be locatednot lessthantwenty five (25) meters(80 ft.) from any well, spring, cis-tern,or othersourceof drinking watersupply; not lessthan 3 m.(10 ft.) from an occupiedbuilding; and not-lessthan 1.5 m. (5ft.) from any lot line.

4.3 House Sewers

4.31 Design

The size of any housesewershall be determinedon the basisofthe total numberof fixture units drainedby suchsewer. Mini-mum size shall not be less than 100 mm. (4 in.) in diameter.

4.3.2 Materials

a. Vitrified clay sewerpipeb. Asbestoscementpipec. Cast iron piped. Bituminized fiber pipee. Glasspipef. Any other pipe approvedby the Bureauof Standards,Depart-

ment of Tradeand Industry

4.3.3 Installation

a. The housesewershall be laid in good alignment and at a uni-form slope of not less than 1:50 (0.02%) towardthe point ofdisposal; providedthat, whereit is impracticable,dueto thedepthof the streetseweror to the structural featuresor to thearrangementof any building or structure,to obtain a slope of1:50 (0.02%), any such pipe or piping 100 mm diameterorlargermay havea slope of not less than 1:100 (0.01%).

b. Wheneverthe houseseweris locatedwithin 25 metersof a wellor spring or any drinking water source,the housesewershallmeet the ten (10) foot headof water test for fifteen minutes.Whenwater is not availableor when thereis a dangerof freez-ing, the air or smoketest maybe used.

c. Houseor building sewerpiping shall be laid on a firm bedthroughoutits entire length, and any suchpiping laid in groundshall be laid on a bed of approvedmaterialsand shall be ad-enii~ite1v si innorted14

d. House sewerof other drainagepiping or part thereof,which ismadeof materialsother than thoseapprovedfor useunder orwithin abuilding, shall not be installedunderor within 0.60 m.(2 ft.) of any building, or structureor partsthereof,nor lessthan0.30 m. (1 ft.) below the surfaceof the ground.The provisionsof this paragraphinclude structuressuch as porchesand steps,whethercoveredor uncovered,roof patios, carports, coveredwalls, covereddrivewaysandsimilar structuresor appurtenances.

e. t1on-metallichousesewerpiping shall not be run or laid in thesametrench with water servicepipes or any undergroundwaterpipes unlessboth of the following requirementsaremet:

i. The bottom of the waterpiping at all points shall be at least30 cm. (1 ft.) abovethe top of the sewerpipeline.

ii. The waterpiping shall rest on a solid shelf at one side ofthe commontrench.

SECTION 5: PUBLIC SEWERAGE SYSTEM

5.1 Any person,governmentor privateentity, firm and/or agency,corpo-ration, institution or local governmentunit which intendsto constructa public seweragesystemor sewagetreatmentplant shall be requiredto submit plans,designandthe necessarydata and specificationstothe Secretaryof Health or his duly authorizedrepresentative,forapprovalthereofprior to startof work. In casethere is anexistingone, its as-built planand specificationsshall be submittedfor reviewand approval.

5.1.1 It shall be unlawful for any person,entity, or firm to dis-chargeuntreatedeffluent of septic tanks and/or sewagetreatmentplantsto bodiesof waterwithout obtainingap-proval from the Secretaryof Health or his duly authorizedrepresentatives.

5.1.2 Sludgefrom septic tanksand sewagetreatmentplant shallbe disposedof in amannerapprovedby the DepartmentofHealth.

5.2 Provision of SewerageSystem

5.2.1 Subdivision

a. Approval

i. Plansof subdivisionsindicating all lots therein shall be- submitted to the Departmentof Health for approval of

the sewagedisposal systembefore any constructionisstartedor before any of the lots in the subdivisionaresold or offered for sale whetheror not eachsale entailstransferof title or deed.

ii. If individual sewagedisposalsystemsor individual watersupply systemsor bothare proposed,the plot shall con-tain all pertinentsinformation relative to the installationof thesesystems.

b. Provision of SewerageWheneverfeasible, the proposedsubdivisionshall be servedbyextensionof the existingpublic sanitaryseweragesystemof by acommunitysewerageandsewagetreatmentsystem.

c. Proper Disposal of SewageThe proper disposal of sewagein subdivisionsshall conformwith the provision of Section3 of theserules and regulations.

5.2.2 Operation of SewageTreatmentPlants

a. The sewagetreatmentplant shall be capableof treating the flowof sewagedischargedby the community in the area.

b. The type of sewagetreatmentplant shall be approvedby theSecretaryor his duly authorizedrepresentativeandthe effluentfrom such treatmentplants shallmeet the standardsformulatedby the Departmentof EnvironmentandNatural Resources.

c. The sewagetreatmentplant shall provide laboratory facilities forcontrol testsand otherexaminationsneeded.

d. Operatingdata, control tests andsuchotherrecordsas mayberequiredshall be forwarded to the local healthauthority.

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e. The local healthauthority shall be informed in caseof break-down or improper functioningof the treatmentworks.

f. Where sewagetreatmentplant is provided, no sewageshall beallowedto by-passthe plant.

g. The sewagetreatmentplant shall be managedby aregisteredsanitaryengineer.

SECTION6: DAMAGE TO PUBLIC SEWER OF SEWAGE DIS-POSAL SYSTEM

6.1 It shall be unlawful for any personto discharge,by any meanswhat-soever,into any plumbing fixtures, such as floor drain, sump,recep-tacle or devicewhich is connectedto any drainagesystem,publicsewer, septictankor cesspoolany ashes,cinders,solids, rags, flarn-mable,poisonousor explosiveliquids or gases,oils, greaseand anyotherthing whatsoeverwhich would or could causedamageto thepublic sewagedisposalsystem,whetherthe systemis governmentorprivately-owned.

SECTION7: ABANDONED SEWER AND SEWAGE DISPOSALFACILITIES

7.1 Every abandonedbuilding or houseseweror part thereof,shall bepluggedor cappedwithin 1.5 meterof the propertyline.

7.2 Every cesspool,septictankand seepagepit which hasbeenaban-donedor hasbeendiscontinuedotherwisefrom further useor towhich no waste or soil pipe from a plumbing fixture is connected,shall have the sewageremovedtherefrom and be completelyfilledwith earth,gravel, concreteor other approvedmaterial.

7.3 Every top cover of the cesspool,septictank or seepagepit shall beremovedbefore filling and the filling shall not extendabovethe topof the vertical portions of the sidewallsor above the level of anyoutlet pipeuntil inspection has beencalled. After an Inspectionbythe local healthoffice, the cesspool,septictankor seepagepit shallbe filled to the level of the top of the ground.

7.4 It is unlawful for apersonowning or controlling any cesspool,septictank, or seepagepit on his premisesor in that portion of any publicstreet, alley or otherpublic property abutting suchpremisesto refuseor neglectto comply with the provisionof this sectionor upon receiptof notice from the local healthauthority.

7.5 Wheredisposalfacilities areabandoned,consequentto connectinganypremiseswith the public sewer, the personmaking the connectionshall fill all abandonedfacilities within 30 daysfrom thetime of con-nectingto the public.

SECTION 8: DRAINAGE

8.1 It shall be the responsibilityof every local governmentunit to provideand maintainIn a sanitarystate and in good repaira satisfactorysys-tem of drainageIn all inhabitedareaswhere waste water from build-ings and premisescould emptywithout causingnuisanceto the com-munity anddangerto the public health.

8.2 Buildings or premisesproducingwastewatershall be connectedto the

municipal drainagesystemin all areaswhereIt exists.

SECTION 9: SPECIAL ESTABLISHMENT

9.0 Establishmentssuch as industrial, laundry, slaughterhouses,dairies,poultries,piggeries,mining, hospitals,clinics, funeral parlors, labora-tories and other similar establishmentsdischargingwaste water intoreceivingriver or otherwaterbodieswhich createpollution problemsshall be requiredto obtainapprovalfrom the Departmentof Environ-ment andNaturalResourcesbefore constructionandissuanceof sani-taly permit by the local healthoffice.

SECTION 10: SPECIAL PRECAUTION FOR RADIOACTIVEEXCRETA AND URINE OF HOSPITALIZED PATIENT

10.1 Patient given high dosesor radioactiveIsotopefor therapyshallbegiven toilet facilities separatefrom thoseusedby “non-radioactive”patients.

10.2 Radioactivepatientsshall be instructedto use the sametoilet bowl at

all times and flush it atleast threetimes after its use.

SECTION 11: PENAL PROVISION

18 19

TABLE 1 QUANTITIES OF SEWAGE FLOW11.1 Any personwho shall violate, disobey,refuse,omit or neglectto com-ply with any of the provisionsof theserules andregulations,shall beguilty of misdemeanorandupon conviction shall be punishedby im-prisoninentfor a period not exceedingsix (6) monthsor by a fine notexceedingP1,000.00or both, dependingupon the discretionof thecouit

11.2Any personwho shall interfere or hinder, opposeanyofficer, agentormemberof the Departmentof Health or of the bureausand offices

underit, provincial, city or municipal healthofficers, sanitaryengi-neersandsanitary inspectors in the performanceof his duty as pro-vided for under theserules andregulations,or shall teardown, muti-late, defaceor alter any piacard,or notice, affixed to the premisesinthe enforcementof theserules andregulationsshallbe guilty of mis-demeanorandpunishableupon convictionby Imprisonmentfor a pe-riod not exceedingsix (6) monthsor by a fine not exceedingP1,000.00or both dependingon the discretionof the court.

SECTION12: SEPARABILITY CLAUSE

In the eventthat any rule, section,paragraph,sentence,clauseor wordsoftheserules and regulationsis declaredinvalid for any reason,the otherpro-visions thereofshall not be affected thereby.

SECTION 13: REPEALING CLAUSE

All pertinent rules andregulationswhich are Inconsistentwith the provi-sions of theseimplementingrules andregulationsareherebyrepealedoramendedaccordingly.

SECTION 14: EFFECTIVITY

Theserules andregulationsshall take effect after fifteen (15) days fromdateof publicationin the official gazetteor anewspaperof generalcircu-lation.

Approved on this 21st day of December nineteen hundredninety five.

~ /HILARION J. RAMIRO, J~M.D., M.H.A.

Secretaryof Health

Type of Establishment ANNEX Gals.Day/Person

Small dwellingsandcottages SOLargedwellingswith numerousfixtures 75-100

Multiple family residence 50Roominghouses 40Boardinghouses 50Hotels and motels 50Restaurants(kitchen wastesper meal served) 1-212-3Kitchen wastesat hotels, camps,boardinghouses,etc.,serving 3 meals/day

7.10

Tourist campsor trailer parlcs 35.50

Resortcamps(night andday) with limited plumbing 50Luxury camps 75.100

Work or constructioncamps(semi-permanent) 50

Day school without cafeterias,gymnasiumor showers1 8

Day school with cafeteriasbut no gyms or showers1(Quantity estimatedfrom no. of mealsservedor 80%of enrolment)

12

Day schoolwith cafeteriasbut no gyms andshowers(Quantity estimatedfrom maximumno. expectedto usegymsand showersin oneday)

20

Boarding schools 75.100Day workersat schoolsandoffices 15Hospitals1 (Gallons perbed) 150-250Public institutionsother than hospitals 75.125Factories(Gal./person/shift,exclusiveof industrialwastes) 15-35

Public picnic parks(toilet wastesonly) 5Picnic parks,with bathhouse,showersandflush toilets 10

Swimming pools andbathing places1 10

Luxury residencesand estates 100-150

Country clubs per residentmembers1 25-50Country clubs per memberpresent1 25-50

Date of Publication:February22, 1996 20 * Subsurfacedrain fields not recommendedfor secondarytreatment

~: ~ ~ ‘-:c-~~-~ ~-~:--:- - — -- -~ -,

ACKNOWLEDGMENTSThe Department of Health is deeplyindebtedand expresssincereappreciation to Dr. Mario C.Villaverde, Director of the EnvironmentalHealth Servicefor his role in bringing this implementingrules& regulationsandthe last from conceptto reality.

ThePolicy, Standardsand RegulationSectionheadedby Engr.AntoninoA. 1-Tormiliosaandhistech-nical staff for their enduringcommitmentin constantlynurturingthis implementing rules& regula-tion from the beginning and perceptivenessalong the way andEngr. Danilo de Guzman for hispa-tiencein developingthe first draft.

Gratefulthanksis expressto the agencies,associationsandorganizationswho shared their insightsandexperiencesduring the consultative-dialogueand seriesof public hearings nationwide. Theirstruggles,debatesand eventheirtemporarysetbackshave greatlyinfluencedthis implementing rules& regulationsin our questto formulate, implement & enforcea doablesanitation laws.The followin~agencies,associations& organizationspursued their ongoing interest and valuablecomments&contribution to this writing efforts;

1. MetropolitanWaterworks& SewerageSystem2. LocalWalerUtilities Administration3. PhilippineWaterworksAssociationof the Philippines4. PhilippineAssociationof Water Districts5. NationalAssociationof MasterPlumbersof the Philippines6. EnvironmentalManagementBureau,DENR7. DavaoCity Water District8. MetroIloio WaterDistrict9. HousingLandUse& Regulatory Board10. Departmentof PublicWorksand1-lighwaysII. Philippine National Police-DILG,Ba~uioCity12. Philippine NationalPolice-DJLG,bib City13. Commissionon Human Rights,Baguio City14. UrbanSewerageExcavatorsof BaguioCity15. University of Baguio16. University of SanAgustin,Iloio City17. AteneodeDavao18. PhilippineSocietyof SanitaryEngineers,Inc.19. DOHIntegratedRegionalFieldOfficers20. Provincial Health Offices of ilocos Sur, Quezon,Benguet, North Cotabato,bib,

Aklan,Capiz, Guimaras,Antique, NegrosOccidental,Davao del Norte,Davao del Sur,DavanOriental,SouthCotabato.Misamis Oriental,MisamisOccidental,Agusandel Norte,Agusan del Sur, Surigao dcl Norte, Surigaodel Sur, Pangasinan.La Union, NuevaEcija,Marinduque,Quirino,Caviteand Tarlac

21. City Health Office~of Baguio City, DavaoCity, bib City, Manila, MandaluyongCity,Que~onCity, Makati City, PasigCity, Roxas City, Bacolod City, General Santos City.DagupanCity, Cavite City, and CaloocanCity.

22. Municipal Health Oftices of La Trinidad, Benguet, San Fernando, La Union, Medina,Misamis Oriental, Digos, Davao del Sur, and Malay,Akian.

23. UnitedNations Children’sFund (UNICEF)24. Plan International Philippines25. PublicUtilities ServicesOffice (PUSO),BaguioCity26. Metro Manila DevelopmentAuthority

Recognition is hereby expressto the following DOH personnelwho compassionatelynurtured thespirit of collaborative effort in the final editing of thismanuscript;

I. Dr ManuelG.RoxasUndersecretary& Chiefof Staff

2. Dr. Carmericita Noriega-ReodicaOffice for Public Health Services

3. Atty. NocolasLutero IllOffice for LegalAffairs

4. Mrs. Melahi PonsHealth Policy DevelopmentOffice

S. Engr.Victor V. SabandejaEnvironmentalHealthService

TheDepartmentof Healthenjoinsall agenciesespeciallytheLocal GovernmentExecutivesin meet-ing thedemands& challengesfor ahealthfulliving environmentas we enterourjourneyfor eco-nomic developmentunderourPresident’svisionforPhilippines2000.

H~1f~TRA~M.DJ1.Secretaryof Health