~Library 822
Water ~RC Interri~t~onaI and Sanitation Centre
P1195
Tet:+31 703068980 Fax: + 31 703589 70 35899 9 ~4
DEPARTMENT OF HEA HEALT LTh h
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OF THE
THE E P*11LWP~ES CODE ON SANITATION OF TH (PD. 856)
F ill
IMPLEMENTING RULES AND REGULATIONS OF CHAPTER XVII - “SEWAGE COLLECTION AND DISPOSAL, DISPOSAL, EXCRETA DISPOSAL AND DRAINAGE” OF THE CODE ON SANITATION OF THE PHILIPPINES (P.D. 856)
TABLE OF CONTENTS :
Scope
I
Section 2
:
Definition of Terms
1
Section 3
:
Section 4
:
Section
1
Section 5
:
Section 6
:
Individual Individ ual Excreta Excreta and Sewage Disposal System
Design and Contruction of Septic Septic Tanks, Leaching Tile Field and House Sewers
9
Public Sewerage System
16
Damage Dam age to Public Sewer of Sewage Disposal Dispos al Facilities
Sect Se ctio ion n 7
4
18
Abandoned Sewer and Sewage Disposal Dispos al Facilities
18
Section 8
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Drainage
19
Section 9
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Special Establishment
19
Section
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Special Precaution for Radioactive Excreta and
10
Urine of f Hospitalized Hospitalized Patient
19
11
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Section 1 2
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13
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Repealing Clause
20
Section 14
:
Effectivity
20
:
Quantities of Sewage Flow
21
Section
Section
Table
I
Penal Provision Separability Sepa rability Clause Clause
LIBRARY IRC P0 Box 93190, 2509 AD THE 70 30 689 80 Tell : +31 70 Te Fax: +31 70 70 35 899 64
BARCODE:
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HAGUE HAGU E
19 20
the Philippines Philippines Republic of the Department of Health Health OFFICE OF THE SECRETARY
SAN LAZARO COMPOUND
RIZAL AVENUE, ST A CRUZ ,
PHILIPPINES
1 5 November 1995
IMPLEMENTING RULES AND REGULATIONS OF CHAPTER DISPOSAL, EXCRETA DISXVII “SEWAGE COLLECTION AND DISPOSAL, POSAL AND DRAINAGE” OF THE CODE ON SANITATION OF THE PHILI PHILIPP PPIN INES ES (P.D. 856) -
To carry out the the provisions provisions of Chapter XVII “Sewage Collection and Disposal, Excreta Disposal and Drainage”, these rules and regulations are hereb he reby y for formu mulate lated d for imp implem lementa entation tion and strict compliance of all concerned. -
SECTION 1: SCOPE These implementing rules rules and regulations sh shall all app apply ly to all public and private sewage and excreta collection and disposal system project planned by instrumentality tality including government-owned or governmentt agency or instrumen any governmen corporations, ns, priv private ate organ organizatio izations, ns, firm firms, s, individuals or other controlled corporatio entities.
SECTION 2: DEFINITION OF TERMS As used in these rules rules and regulation regulations, s, the terms below shall be defined as follows:
facilitie tiess sha shall ll mea mean n any of the following: 1. Approved excreta disposal facili 1.1. Any approved type of privy such as: a. Flush toilet connected to:
a . 1 community sewer
a.2 imhoff tank a.3 a. 3
sep se pti ticc tan tank k
a.4 digester tank 1
a5 chemical tank
1 2. Individual Excret Excretaa Disposal System serving a dwell dwelling ing unit.
Pit privy such a s:
b.
b. I Ventilated Improved Pit (VIP) Latrine
b .2
Pit type
b .3 ‘~Antipolo”toilet
13 . Individual Sewage Disposal System in g a dwelling unit/building.
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an excreta disposal system
a sewage disposal system servserv-
14 . Local Health Officer Provincial,, City or Mun Municipal icipal Health Officer. Health Officer Provincial -
1. 2 Any disposal device approved b y the Secretary of Health or hi s duly authorized representative.
an excret excretaa disposal disposal syst system em
responsible f or th 15 . Local Health Authority an offlâial or employee responsible f thee application of a prescribed health measure in a local political subdivisubdivision. For the provincial provincial level, the Local Health Authority is file Governor,, and the Mayor f or a city or municipality as t he case maybe. Governor
3. Chemical Privy a privy where fecal matter i iss deposited Into a tank containing a caustic chemical solution to prevent septic action while the organic matter is decomposed.
16 . Operational Permit the permit to discharge effluent from sewage dis dis-posal system.
2. Communal Excreta Disposal Syste System m serving a group of dwelling unit.
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4. Department
5.
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17 . Privy a structure which is no t connected to a sewerage sys system tem and is the recepti used for reception, on, disposition a nd storage of feces for the feces or other excreta from the human body. -
the Department of Health.
reception ption or detention of sewage. Digestive Cesspool Cesspool a pit for the rece -
18 . Public Sanitary Sewer is a common sewer to which al l abutters connections. have equal rights of connections. -
6. Distribution Bo x a small concrete receptacle between the septic tank drain tiles extend an d which a nd the drain field from which lines of drain acts as surge tank to distrib distribute ute the flow of of sewage sewage equally to each line of drain tiles. -
7. Distribution line of a a leaching tile system distribution box to the drainfield.
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thee pipe from within the th
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20 . Sanitary Engineer a person duly registered with the Board of Examiners for Sanitary Engineers (R.A. 1364) a nd who heads th e sani sani-tation division or section or unit of the provincial/city/municipal health office or employed with th thee Department of Health Health or its regional field health units. -
thee sewage containing human excrement a nd liquid 8. Domestic Sewage th household waste. Also called sanitary sewage. -
9.
19 . Public Toilet a toilet facility located at public places like markets, b us stations, buildings, etc. intended for public use.
Drainage System the drainage pipes of a plumbing system taking the to the the sewer waste water from the plumbing fixtures a nd delivering It to or some other outlet. -
10 . Freeboard or Airspace of of a a Septic Thnk the distance as measured septic tank. of th from the liquid level line to the inside to p of thee septic tank. -
11 . House Sewer th e pipeline conveying sewage from the house or build build- point a ny to discharge. discharge. in g to th thee septic tank or or of -
receptacle which receives the discharge of 2 3. Septic T ank a water tight receptacle a plumbing system or part thereof, and is designed to accomplish the th e suspended solid matter in the sewpartial parti al remov removal al and digestion of th a ge through a period of detention.
21 . Sanitation Inspector a government official or personnel employed b y the national, provincial, city or municipal government, who enforces sanitary rules, laws and regulations an d implements environmental sanitation activities under the supervision of the provincial/city/municipal healht officer/s officer/sanita anitary ry engineer. -
22 . Secretary
b.
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2 4 . Septic Tank Absorption Absorption Bed or Drain Field a n underground system of pipes leading from the outlet of th thee septic tank, consisting of open jointed or perforated pipes so distributed that th e effluent fi~ma septic tank is is oxidized a nd absorbed by the soil.
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Health. the Secretary of Health.
The pit shall shall be a t least on e meter square. The floor should cover t he pit tightly to prevent t he entrance flies. It shall be constructed of concrete concrete or other imper of flies. imper-vious material.
c .
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d.
The water-sealed water-sealed bowl shall be joined to the floor so as to joint. form a water-tight an d insect proof joint.
e.
A suitable enclosure, shall be constructed to provide comfort
25 . Sewage Disposal System a system of collection, collection, transportation, treat sewage. ment and disposal of sewage. -
26 . Sewer pipe, conduit or channel intended to convey sewage. 2 7 . Sewerage or Sewerage Works system of pipes, pipes, pum pumps, ps, device devicess a nd Sewerage Works other appurtenant structures for th e collection collection,, transpor transportation tation a nd final disposal of waste water.
the privy. a nd privacy for the users of the floors and seat risers shall not b e used. f. Wooden floors
3 .2 Individual Sewage Disposal System
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INDIVIDUAL EXCRETA AND SEWAGE DISPOSAL SECTION 3: INDIVIDUAL SYSTEM
3. 1 Individual Excreta Disposal System new house/building to be constructed shall be provided with 3.1.1 Every new plan a nd specifications for excreta disposal system approved b y authority prior prior to the local health authority to construction. The city or mu nicipal Buildin Buildingg Official shall refer al l applications for Sanitary (Plumbing) (Plu mbing) Permit to the local health authority for checking of prior to sanitary facilities, prior to th e issuance of th e building permit.
3.2.1 Installation requirements a. When a public sanitary sewer i s not available in a ny street abutting such a lot or prem premises, ises, waste water piping from an y building or works shall be provided with individual sewage disposal system of approved approved type a nd design. b.
The public sanitary sewer sanitary sewer may may be considered as n ot being avaliable when such public sanitary sewer is located more than 10 0 meters from a ny proposed building on an y lot or premises.
c. Individual sewage disposal system shall not be installed, maintained or operated on property accessible to public sanitary sewerage system.
3.1.2 Al l houses/buildings without an approved excreta disposal system shall be required to construct such facilities under the supervision of the local healt health h officer.
3.1.3 The privy recommended for use i s the sanitary privy. It shall conform confor m with th e following minimum requirements. a.
an earthen pit, a floor covering the pit, It shall consist of an water-sealed bowl. order a nd a water-sealed bowl. It shall be so so constructed in in order that fecal matter a nd urine be deposited into the earthen pit
d.
Sanitary (Plumbin (Plumbing) g) Permit shall not be issued for installation, altera alteration tion or repair of any any pri private vate sewage disposal sys sys-tem or part thereof, on a ny lot for which a connection with public sanitary sewer i s available.
e . Each individual sewage disposal system shall serve a dwell dwell-ingg on an individual lot a nd shall b e properly maintained in in working condition b y the owner. Any failure to provide good working a nd properly maintain maintain such a system or to to discharge al l the sewage from the premises into th e disposal system may be declared a public healt health h hazard b y the local health authority.
b.
receptacle which receives the discharge of 2 3. Septic T ank a water tight receptacle a plumbing system or part thereof, and is designed to accomplish the th e suspended solid matter in the sewpartial parti al remov removal al and digestion of th a ge through a period of detention. -
The floor should cover t he pit tightly to prevent t he entrance flies. It shall be constructed of concrete concrete or other imper of flies. imper-vious material.
c .
2 4 . Septic Tank Absorption Absorption Bed or Drain Field a n underground system of pipes leading from the outlet of th thee septic tank, consisting of open jointed or perforated pipes so distributed that th e effluent fi~ma septic tank is is oxidized a nd absorbed by the soil.
The pit shall shall be a t least on e meter square.
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d.
The water-sealed water-sealed bowl shall be joined to the floor so as to joint. form a water-tight an d insect proof joint.
e.
A suitable enclosure, shall be constructed to provide comfort
25 . Sewage Disposal System a system of collection, collection, transportation, treat sewage. ment and disposal of sewage. -
the privy. a nd privacy for the users of the floors and seat risers shall not b e used. f. Wooden floors
26 . Sewer pipe, conduit or channel intended to convey sewage. 2 7 . Sewerage or Sewerage Works system of pipes, pipes, pum pumps, ps, device devicess a nd Sewerage Works other appurtenant structures for th e collection collection,, transpor transportation tation a nd final disposal of waste water.
3 .2 Individual Sewage Disposal System
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3.2.1 Installation requirements a. When a public sanitary sewer i s not available in a ny street abutting such a lot or prem premises, ises, waste water piping from an y building or works shall be provided with individual sewage disposal system of approved approved type a nd design.
INDIVIDUAL EXCRETA AND SEWAGE DISPOSAL SECTION 3: INDIVIDUAL SYSTEM
3. 1 Individual Excreta Disposal System
b.
new house/building to be constructed shall be provided with 3.1.1 Every new plan a nd specifications for excreta disposal system approved b y authority prior prior to the local health authority to construction. The city or mu nicipal Buildin Buildingg Official shall refer al l applications for Sanitary (Plumbing) (Plu mbing) Permit to the local health authority for checking of prior to sanitary facilities, prior to th e issuance of th e building permit.
The public sanitary sewer sanitary sewer may may be considered as n ot being avaliable when such public sanitary sewer is located more than 10 0 meters from a ny proposed building on an y lot or premises.
c. Individual sewage disposal system shall not be installed, maintained or operated on property accessible to public sanitary sewerage system.
3.1.2 Al l houses/buildings without an approved excreta disposal system shall be required to construct such facilities under the supervision of the local healt health h officer.
d.
3.1.3 The privy recommended for use i s the sanitary privy. It shall conform confor m with th e following minimum requirements. a.
e . Each individual sewage disposal system shall serve a dwell dwell-ingg on an individual lot a nd shall b e properly maintained in in working condition b y the owner. Any failure to provide good working a nd properly maintain maintain such a system or to to discharge al l the sewage from the premises into th e disposal system may be declared a public healt health h hazard b y the local health authority.
an earthen pit, a floor covering the pit, It shall consist of an water-sealed bowl. order a nd a water-sealed bowl. It shall be so so constructed in in order that fecal matter a nd urine be deposited into the earthen pit
seepage age pit or disposal Field, together with a an y proposed seep statement of water absorption characteristics of the soil at proposed site as determined by approved percolation tests.
f. Whenever an an approved approved public sanitary sewerage system is accessible to the property, an y individual sewage disposal sewer shall be disystem shall be abandoned an d the huose sewer shall rectly connected to th e public sewer.
d. Location of any any toilet or sewage sewage disposa disposall system shall be in accordance with the plans an d specifications prescribed by the Department of Health.
3.2.2 Approval
a.
b.
c.
The property property owner orhis authorized representative agent shall file an applicati application on for a Sanitary (Plumbing) Permit with t he local health authority for con structi struction, on, installation, alteration, or extension of an individual sewage disposal sys. tern an d the sub-surface absorption system o r other treatment device prior to start of work. work. eThe application form pre application shall be made in writi writing ng on a form pr scribed by the Department of Health a nd shall contain al l pertinent information relative to the location, construction, installation, alteration or extension of a individual sewage disposal system. Drawings Draw ings and specifications
The Local Health Authority having jurisdiction may require any or all of the following information before Sanitary (Plumbing) Permit i s issued fo r a house or building sewer o r an individual sewage disposal system:
i.
Sanitary (Plumbin (Plumbing) g) Permit shall not be issued for installation, altera alteration tion or repair of any any pri private vate sewage disposal sys sys-tem or part thereof, on a ny lot for which a connection with public sanitary sewer i s available.
Plot plan Plot plan drawn to scale completely dimensioned, showing direc direction tion and approximat approximatee slope of surface, location of all present or proposed proposed retai retaining ning wall walls, s, drainage draina ge chann channels, els, water supply lines or wells, paved areas an d structures on the plan, number of bedrooms or plumbing ftxtures in each structure and location of the building sanitary sewer an d individual sewage di dis sposal system with relation to lot lines and structures.
ii.
Necessary plans and specifications shall be prepared, signed an d sealed by a Registered Sanitary Engineer or a Registered Master Plumber, as the case may require.
iii.
A l og of soil formations an d ground water levels as determined by test holes dug in close proximity proximity to 6
3.2.3 Disposal of Sewage
a.
Untreate Untr eated d sewage and effluent of septic tank or other p pu utrescible o r offensive wastes shall not be discharged onto t the he open exsurface of t he ground or into any street, road, alley, open ex cavation, cava tion, strom water sewer, land drain ditch, adjoining propproperty, watercourse or body of water.
b . Sewage and effluent of a septic tank or other putrescible, impure or offensive wastes shall not be discharged into an abandoned water supply well, spring, or ciste cistern rn or into a hole, crevices o r other opening natural or artificial well, sink hole, extending into limestone, sandstones or other rock or shale formation.
c. Individual sewage disposal system utilizing leaching fields, leaching beds, or leaching wells shal shalll no t be permitted where strata is less than the depth to normal ground water or rock strata 1.20 meters. leaching system shall not be installed in an area where ~i. A leaching soil a re not suitable the texture, structure an d porosity of t t he he soil as determined by a percolation test perfonned by a registered civil/sanitary engineer. The local health authority may require as many percolation tests as may be necessary to determine the acceptability of t t he site.
e.
No leaching tile field or bed shall be installed where percolation rate is less than 2.54 c m . (1 in.) fall in water level in the test holes in 60 minutes.
f.
leaching well shall be installed where th thee N o seepage pit o r leaching percolation rate is less than 2.54 c m (I in.) fall in water into the test holes in 30 minutes. 7
seepage age pit or disposal Field, together with a an y proposed seep statement of water absorption characteristics of the soil at proposed site as determined by approved percolation tests.
f. Whenever an an approved approved public sanitary sewerage system is accessible to the property, an y individual sewage disposal sewer shall be disystem shall be abandoned an d the huose sewer shall rectly connected to th e public sewer.
d. Location of any any toilet or sewage sewage disposa disposall system shall be in accordance with the plans an d specifications prescribed by the Department of Health.
3.2.2 Approval
a.
b.
c.
The property property owner orhis authorized representative agent shall file an applicati application on for a Sanitary (Plumbing) Permit with t he local health authority for con structi struction, on, installation, alteration, or extension of an individual sewage disposal sys. tern an d the sub-surface absorption system o r other treatment device prior to start of work. work.
3.2.3 Disposal of Sewage
a.
eThe application form pre application shall be made in writi writing ng on a form pr scribed by the Department of Health a nd shall contain al l pertinent information relative to the location, construction, installation, alteration or extension of a individual sewage disposal system.
b . Sewage and effluent of a septic tank or other putrescible, impure or offensive wastes shall not be discharged into an abandoned water supply well, spring, or ciste cistern rn or into a hole, crevices o r other opening natural or artificial well, sink hole, extending into limestone, sandstones or other rock or shale
Drawings Draw ings and specifications
formation.
The Local Health Authority having jurisdiction may require any or all of the following information before Sanitary (Plumbing) Permit i s issued fo r a house or building sewer o r an individual sewage disposal system:
i.
c. Individual sewage disposal system utilizing leaching fields, leaching beds, or leaching wells shal shalll no t be permitted where strata is less than the depth to normal ground water or rock strata 1.20 meters.
Plot plan Plot plan drawn to scale completely dimensioned, showing direc direction tion and approximat approximatee slope of surface, location of all present or proposed proposed retai retaining ning wall walls, s, drainage draina ge chann channels, els, water supply lines or wells, paved areas an d structures on the plan, number of bedrooms or plumbing ftxtures in each structure and location of the building sanitary sewer an d individual sewage di dis sposal system with relation to lot lines and structures.
ii.
Necessary plans and specifications shall be prepared, signed an d sealed by a Registered Sanitary Engineer or a Registered Master Plumber, as the case may require.
iii.
A l og of soil formations an d ground water levels as determined by test holes dug in close proximity proximity to
Untreate Untr eated d sewage and effluent of septic tank or other p pu utrescible o r offensive wastes shall not be discharged onto t the he open exsurface of t he ground or into any street, road, alley, open ex cavation, cava tion, strom water sewer, land drain ditch, adjoining propproperty, watercourse or body of water.
leaching system shall not be installed in an area where ~i. A leaching soil a re not suitable the texture, structure an d porosity of t t he he soil as determined by a percolation test perfonned by a registered civil/sanitary engineer. The local health authority may require as many percolation tests as may be necessary to determine the acceptability of t t he site.
e.
No leaching tile field or bed shall be installed where percolation rate is less than 2.54 c m . (1 in.) fall in water level in the test holes in 60 minutes.
f.
leaching well shall be installed where th thee N o seepage pit o r leaching percolation rate is less than 2.54 c m (I in.) fall in water into the test holes in 30 minutes. 7
6
g. No person shall install individual household sewage disposal system in a new subdivision, unless site is considered t o be impracticable a nd inadvisable to install a public sew sewage age col lection system with the required treatment.
SECTION 4: DESIGN DESIGN AND CONSTRUCTIO CONSTRUCTION N OF SEPTIC TANKS, LEACHING TILE FIELD AND HOUSE SEWERS 4.1 Septic T a n k 4.1.1
Design Capacity Capacity
3.2.4 Operational Permit
a.
The septic tank capacity may be determined from t he quantities of sewa sewage ge flow contained in Table 1 Chapter XVII of the Code on Sanitation of t he Philippines (see Annex), based on wi wi-equate detention time interval resulting in efficient sedimentation. Daily flow from metered water consumption may be used to estimate flow when available. For buildings with occupants, the number of persons to be served shall be computed based on rooms and the number of rooms and considering considering each room as occupied by two persons or on the basis of the the actual number of persons served by the tank, whichever is th thee greater.
shalll disch discharge arge or permit or cause cause to be disNo person shal charged the effluent from an individual sewage disposal system or other putrescible or offensive wastes from his premises unless an application for an operational permit has been approved by the local health authority.
b . Only a person or dwelling owner who compiles with t he requirements of these these rules an d regulations shall be entitled to receive a nd retain an operational permit.
c.
The local health authority at any reasonable time may inspect the sewage disposal system, sample the effluent, or take any other other step whic which h he deems necessary to ensure compliance with these rules an d regulations. Th e local health authority autho rity may utilize utilize inspection and reports submitted by local health officer, sanitary engineer or other qualified national or local government personnel to determine operational compliance.
Tanks constructed in series series may be used to accomplish the re will furnish at least half half quired capacity provided the first tank will the required capacity. This capacity requirement requirement allows for the of the including garbage grinders use of all household appliances including an d automatic washers.
4.1.2 4.1. 2 Inl Inlet et and oullet
a. 3.2.5 Lot Dimensions and Areas
a. I ndividual sewage disposal systems shall be installed on suf sewage disposal ficient area and suitable topography to permit compliance permit compliance with these rules an d regulations. b.
The design, construction, installation, location, maintenance, an d operation of individual individual sewage disposal systems including septic tanks, leaching tile fields, leaching beds, leaching wells, house sewers, privies and any other treatment system or part thereof shall comply with the minimum standards an d engineering practices which are acceptable to the Department of Health. Health.
S
The invert level of t t he inlet shall not be less than 5 centimeters (2 inches) above the liquid level of t t he tank.
b.
A ventec~inlet baffle or sanitary tee shall be provide to divert downward. The baffles or tee shall penthe incoming sewage downward. etrate at least 15 cm . (6 inches) below the liquid level, level, but the greater than that allow allowed ed f or the outlets penetration shall not be greater baffle or sanitary tee.
c.
baffle.. The outlet shall be fitted with a sanitary tee or baffle
d.
The outlet baffle or sanitary tee device shall extend through the scum layer above t he liquid level of the tank to to approximately 2.5 cm. (1 inch) from th thee inside t op from the tank.
e.
The invert of the inlet pipe shall be at a level no t less than 5 cm . (2 in.) above the invert of t he outlet pipe. A
SECTION 4: DESIGN DESIGN AND CONSTRUCTIO CONSTRUCTION N OF SEPTIC TANKS, LEACHING TILE FIELD AND HOUSE SEWERS
g. No person shall install individual household sewage disposal system in a new subdivision, unless site is considered t o be impracticable a nd inadvisable to install a public sew sewage age col lection system with the required treatment.
4.1 Septic T a n k 4.1.1
Design Capacity Capacity
3.2.4 Operational Permit
a.
The septic tank capacity may be determined from t he quantities of sewa sewage ge flow contained in Table 1 Chapter XVII of the Code on Sanitation of t he Philippines (see Annex), based on wi wi-equate detention time interval resulting in efficient sedimentation. Daily flow from metered water consumption may be used to estimate flow when available. For buildings with occupants, the number of persons to be served shall be computed based on rooms and the number of rooms and considering considering each room as occupied by two persons or on the basis of the the actual number of persons served by the tank, whichever is th thee greater.
shalll disch discharge arge or permit or cause cause to be disNo person shal charged the effluent from an individual sewage disposal system or other putrescible or offensive wastes from his premises unless an application for an operational permit has been approved by the local health authority.
b . Only a person or dwelling owner who compiles with t he requirements of these these rules an d regulations shall be entitled to receive a nd retain an operational permit.
c.
The local health authority at any reasonable time may inspect the sewage disposal system, sample the effluent, or take any other other step whic which h he deems necessary to ensure compliance with these rules an d regulations. Th e local health authority autho rity may utilize utilize inspection and reports submitted by local health officer, sanitary engineer or other qualified national or local government personnel to determine operational compliance.
Tanks constructed in series series may be used to accomplish the re will furnish at least half half quired capacity provided the first tank will the required capacity. This capacity requirement requirement allows for the of the including garbage grinders use of all household appliances including an d automatic washers.
4.1.2 4.1. 2 Inl Inlet et and oullet
a.
The invert level of t t he inlet shall not be less than 5 centimeters (2 inches) above the liquid level of t t he tank.
3.2.5 Lot Dimensions and Areas
a. I ndividual sewage disposal systems shall be installed on suf sewage disposal ficient area and suitable topography to permit compliance permit compliance with these rules an d regulations. b.
The design, construction, installation, location, maintenance, an d operation of individual individual sewage disposal systems including septic tanks, leaching tile fields, leaching beds, leaching wells, house sewers, privies and any other treatment system or part thereof shall comply with the minimum standards an d engineering practices which are acceptable to the Department of Health. Health.
b.
A ventec~inlet baffle or sanitary tee shall be provide to divert downward. The baffles or tee shall penthe incoming sewage downward. etrate at least 15 cm . (6 inches) below the liquid level, level, but the greater than that allow allowed ed f or the outlets penetration shall not be greater baffle or sanitary tee.
c.
baffle.. The outlet shall be fitted with a sanitary tee or baffle
d.
The outlet baffle or sanitary tee device shall extend through the scum layer above t he liquid level of the tank to to approximately 2.5 cm. (1 inch) from th thee inside t op from the tank.
e.
The invert of the inlet pipe shall be at a level no t less than 5 cm . (2 in.) above the invert of t he outlet pipe.
S
A
baffles, through compartment f. Inlet and outlet pipe fittings or baffles, partitions shall have a free vent area equal to the required crosssectional area of the house sewer discharging therein.
b.
Septic tanks shall be constructed of sound durable materials, no t subject to excessive corrosion or decay and shall be watertight. Each such tank shall be structurally designed to withstand a ll anticipated earth or other loads and shall be installed level on a solid design shall be in accordance with bed. Structural and hydraulic hydraulic design shall good engineering practice.
c.
Approved pre-fabricated septic tanks ma may y be used. After installa installa- shall be filled with sufficient amount of water water to tion, the tank shall prevent floating.
4.1.3 T a n k Proportions
a.
b.
The septic tank may may have various shapes provided the capacity, inlet, outlet and depth requirements are met. Generally the sep is rectangular in shape. If 2 2 or more compartments are tic tank is used, the first compartment shall shall have the capacity from one half to two thirds of t t he total volume of t he tank.
drains, foundation drains, area drains or cistern overflows d. Roof drains, shall not b e made to enter the septic tank or any part of the treatment system.
T h e septic tank shall have a liquid drawing depth not less than 1.20 meters (4 feet)
c.
c)
4.1.6 Location
The vertical distance from t he liquid level to the inside top of the tank shall shall be at least 20 cm . (8 in.).
a.
The septic tank shall shall be located not less than 25 meters from any well, spring, cistern, o r othersources of drinking water supply; not less than 1 .5 m. (5 ft.) from any water service line; and not less m. (10 ft.) aw away ay from water main. than 3.0 m.
b.
Septic tanks shall be located such that desludging equipment can have access to the opening manholes conveniently.
c.
Septic tanks shall not be located under the building.
4.1.4 Inspe Inspection ction Manholes Manholes The septic tank shall be provided with an inspection manhole an equivalent equivalent removable 0.36m 2 (4ft2) in minimum area or by an cover slab to provide access to the inlet and outlet devices and to the compartment of t t he tank for inspection and cleaning. One access manhole shall be located over each compartment. Septic tanks Installed under conaete or block t t op paving shall have th e required require d manholes manholes accessi accessible ble by extending the manhole openings to grade. 4.1.5 Construction of Septic Tank
a. Plans and specific specifications ations for for a a ll septic tanks shall be submitted to health authority for approval. Such plans and specificathe local health authority tions shall show all dimensions, reinforcement, structural calcu calcu-lations and such other pertinent data as may be required. hidependent laboratory tests and and calibrations calibrations shall be provided on septic tanks as may be required by the local health pit-fabricated septic pit-fabricated authority.
4.1.7 Maintenance
a.
Septic tank tankss shall shall be cleaned before excessive sludge or scum is allowed to accumulate and seriously reduce the settling efficiency.
b.
Septic tanks shall be inspected at least once a year and be cleaned when the bottom of t he scum mat scum mat is within 7.50 ( 3 inches) of the bottom of the outlet device or the sludge and scum has reduced scum has the liquid capacity by 50%.
c. Tanks shall not be washed or disinfected after cleaning. A small residual of sludge shall be left in th e tank for seeding purposes.
d.
10
Sludge from septic tanks shall be disposed of by burial or by any method d approve approved d by the Secretary or other metho or hi hiss duly authorized representative and not by being emptied into open field, ditches water. or bodies of water. Ii
b.
Septic tanks shall be constructed of sound durable materials, no t subject to excessive corrosion or decay and shall be watertight. Each such tank shall be structurally designed to withstand a ll anticipated earth or other loads and shall be installed level on a solid design shall be in accordance with bed. Structural and hydraulic hydraulic design shall good engineering practice.
c.
Approved pre-fabricated septic tanks ma may y be used. After installa installa- shall be filled with sufficient amount of water water to tion, the tank shall prevent floating.
baffles, through compartment f. Inlet and outlet pipe fittings or baffles, partitions shall have a free vent area equal to the required crosssectional area of the house sewer discharging therein. 4.1.3 T a n k Proportions
a.
The septic tank may may have various shapes provided the capacity, inlet, outlet and depth requirements are met. Generally the sep is rectangular in shape. If 2 2 or more compartments are tic tank is used, the first compartment shall shall have the capacity from one half to two thirds of t t he total volume of t he tank.
b.
drains, foundation drains, area drains or cistern overflows d. Roof drains, shall not b e made to enter the septic tank or any part of the treatment system.
T h e septic tank shall have a liquid drawing depth not less than 1.20 meters (4 feet)
c.
c)
4.1.6 Location
The vertical distance from t he liquid level to the inside top of the tank shall shall be at least 20 cm . (8 in.).
a.
The septic tank shall shall be located not less than 25 meters from any well, spring, cistern, o r othersources of drinking water supply; not less than 1 .5 m. (5 ft.) from any water service line; and not less m. (10 ft.) aw away ay from water main. than 3.0 m.
b.
Septic tanks shall be located such that desludging equipment can have access to the opening manholes conveniently.
c.
Septic tanks shall not be located under the building.
4.1.4 Inspe Inspection ction Manholes Manholes The septic tank shall be provided with an inspection manhole an equivalent equivalent removable 0.36m 2 (4ft2) in minimum area or by an cover slab to provide access to the inlet and outlet devices and to the compartment of t t he tank for inspection and cleaning. One access manhole shall be located over each compartment. Septic tanks Installed under conaete or block t t op paving shall have th e required require d manholes manholes accessi accessible ble by extending the manhole openings to grade. 4.1.5 Construction of Septic Tank
a. Plans and specific specifications ations for for a a ll septic tanks shall be submitted to health authority for approval. Such plans and specificathe local health authority tions shall show all dimensions, reinforcement, structural calcu calcu-lations and such other pertinent data as may be required. hidependent laboratory tests and and calibrations calibrations shall be provided on septic tanks as may be required by the local health pit-fabricated septic pit-fabricated authority.
4.1.7 Maintenance
a.
Septic tank tankss shall shall be cleaned before excessive sludge or scum is allowed to accumulate and seriously reduce the settling efficiency.
b.
Septic tanks shall be inspected at least once a year and be cleaned when the bottom of t he scum mat scum mat is within 7.50 ( 3 inches) of the bottom of the outlet device or the sludge and scum has reduced scum has the liquid capacity by 50%.
c. Tanks shall not be washed or disinfected after cleaning. A small residual of sludge shall be left in th e tank for seeding purposes.
d.
Sludge from septic tanks shall be disposed of by burial or by any method d approve approved d by the Secretary or other metho or hi hiss duly authorized representative and not by being emptied into open field, ditches water. or bodies of water.
10
Ii
iii. Where the depth to normal ground water or rock strata
4.2 Leaching Tile Field
is less than 1. 2 m (4 ft.) below the bottom of the device. 4.2.1 Design 4.2.2 Construction
a.
A le~hingtile system utilizing trenches 0.45 m. 0.90 m. wide is considred to be a leaching tile field.
b.
A leaching tile system utilizing trenches more than 0.90 meter (36 inches) wide is considered to be a leaching bed.
-
c. Leaching tile fields and leaching leaching beds, based on percolation tests, shall have a minimum absorption area equivalent to that sewage flow of 50 50 required for required for a small dwelling unit having sewage flow gal/cap/day. Only the trench bottom area i s to be calculated as the absorption area.
d.
Absorption area area requireme requirements nts for residences shall conform to the following:
Average time required f or Suitability water to fall 2.54 cm. (1”) of leaching is indicated by perc percolaola- soil (ion test 1
minute or minute or less 5 minutes 10 minutes 15 minutes 30 minutes 45 minutes 60 minutes
good good good fair fair poor poor
Square meters of trench bottom of leach bed base required 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)
leachin chingg wel welll or chame. Leaching Leaching tile field or leaching bed or lea ber shall not be installed in any of t he following:
i.
In swampy area or where ponding or flooding is likely to occur.
ii. Where the percolation rate rate exceeds 60 mins. per 2.5 cm . (1 in.) of water fall. 12
subject to to excesa . Drain lines shall be constructed of materials not subject sive deterioration and shall be laid with open joints, except that perforated clay tile, perforated bituminous fiber pipe, or other approved materials materials may b e used, provided that sufficient openings distribution of of the effluent into the trench areas. are available for distribution (Total area of perfora perforations tions shall be at least 150% ofthe cross-sectional area of t he pipe.) b.
The drain lines shall have a minimum diameter of 100mm. (4 in.) and shall have a relative level grade, but in no instance shall have a fall greater than greater than 1 cm. in 60 minutes.
c.
In leaching tile fields t he minimum distance between centerline of trenches shall be at least 1.80 m. (6 ft.).
d.
In leaching leaching beds, lines for distributing effluen effluentt shall be spaced 0.90 m. (3 ft.) from side to side of trench waIls.
e.
completed prior Final grading shall be completed prior to installing aleaching field or leaching leaching bed.
f.
The leaching tile field or leaching bed shall have a minimum depth 30.0 cm. (12 in.) of clean gravel, stone or slag fill, extending of 30.0 at least 5.0 c m. (2 in) above and 15 cm. (6 in) below th e drain lines. The filter materi material al shall be 2 cm . to 6 .5 c m. (0.80 to 2.5 in.) in size.
g.
The absorption trenches shal shalll have a minimum depth of 45 cm . than 7 5 cm. (30 in.) (18 in. in.)) but not more than 7
h. Before placing filter material and drain lines in a in a prepared excavation, all smeared or compacted surfaces shall be removed from trenches by raking to a depth of 2.5 cm . and the loose material varyis removed. Clean stone, gravel, slag or similar filter material varycm . t o 6.5 cm. shall be placed in th e trench ing in size from 2.0 cm to t he depth and grade required by this section. Drain pipe shall be placed on filter material in an approved manner. The drain lines shall thenbe covered with pervious material to the minimum depth 13 t
iii. Where the depth to normal ground water or rock strata
4.2 Leaching Tile Field
is less than 1. 2 m (4 ft.) below the bottom of the device. 4.2.1 Design 4.2.2 Construction
a.
A le~hingtile system utilizing trenches 0.45 m. 0.90 m. wide is considred to be a leaching tile field.
b.
A leaching tile system utilizing trenches more than 0.90 meter (36 inches) wide is considered to be a leaching bed.
-
c. Leaching tile fields and leaching leaching beds, based on percolation tests, shall have a minimum absorption area equivalent to that sewage flow of 50 50 required for required for a small dwelling unit having sewage flow gal/cap/day. Only the trench bottom area i s to be calculated as the absorption area.
d.
Absorption area area requireme requirements nts for residences shall conform to the following:
Average time required f or Suitability water to fall 2.54 cm. (1”) of leaching is indicated by perc percolaola- soil (ion test 1
minute or minute or less 5 minutes 10 minutes 15 minutes 30 minutes 45 minutes 60 minutes
Square meters of trench bottom of leach bed base required 6.5 (70 ft.2)
good good good fair fair poor poor
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)
leachin chingg wel welll or chame. Leaching Leaching tile field or leaching bed or lea ber shall not be installed in any of t he following:
i.
In swampy area or where ponding or flooding is likely to occur.
ii. Where the percolation rate rate exceeds 60 mins. per 2.5 cm . (1 in.) of water fall.
subject to to excesa . Drain lines shall be constructed of materials not subject sive deterioration and shall be laid with open joints, except that perforated clay tile, perforated bituminous fiber pipe, or other approved materials materials may b e used, provided that sufficient openings distribution of of the effluent into the trench areas. are available for distribution (Total area of perfora perforations tions shall be at least 150% ofthe cross-sectional area of t he pipe.) b.
The drain lines shall have a minimum diameter of 100mm. (4 in.) and shall have a relative level grade, but in no instance shall have a fall greater than greater than 1 cm. in 60 minutes.
c.
In leaching tile fields t he minimum distance between centerline of trenches shall be at least 1.80 m. (6 ft.).
d.
In leaching leaching beds, lines for distributing effluen effluentt shall be spaced 0.90 m. (3 ft.) from side to side of trench waIls.
e.
completed prior Final grading shall be completed prior to installing aleaching field or leaching leaching bed.
f.
The leaching tile field or leaching bed shall have a minimum depth 30.0 cm. (12 in.) of clean gravel, stone or slag fill, extending of 30.0 at least 5.0 c m. (2 in) above and 15 cm. (6 in) below th e drain lines. The filter materi material al shall be 2 cm . to 6 .5 c m. (0.80 to 2.5 in.) in size.
g.
The absorption trenches shal shalll have a minimum depth of 45 cm . than 7 5 cm. (30 in.) (18 in. in.)) but not more than 7
h. Before placing filter material and drain lines in a in a prepared excavation, all smeared or compacted surfaces shall be removed from trenches by raking to a depth of 2.5 cm . and the loose material varyis removed. Clean stone, gravel, slag or similar filter material varycm . t o 6.5 cm. shall be placed in th e trench ing in size from 2.0 cm to t he depth and grade required by this section. Drain pipe shall be placed on filter material in an approved manner. The drain lines shall thenbe covered with pervious material to the minimum depth
12
13 t
field or leaching bed shall be located not less The leaching tile field than twenty five (25) meters (80 ft.) from any well, spring, cis drinkingg water water supply; tern, or other source of drinkin supply; not less than 3 m. (10 ft.) from an occupied building; and not-less than 1. 5 m. (5 ft.) from any lot line.
of 5 cm . as required by this section, and this covered with untreated building paper, straw or similar porous material to prevent voids with earth backfill. closure of voids with
W here re two o r more drain lines are installed, an approved clistribution box of sufficient size to receive lateral lines shall be con a ll outstructed at the head of each disposal field. The inverts of a lets shall be level and and the the invert of t he lalet shall be at least 2. 5 cm . above the outlets. Suitable baffles shall shall be provided to insure equal flow. Distribution boxes shall be built on a level concrete slab installed in natural or compacted soil.
j.
Ic
All laterals from an approved distribution box to the disposal field where the grade exceeds 1:2000 (0.0005%) shall be bell spigot vitrified and spigot vitrified clay or other approved pipe with water tight practicable,, shall joints. Multiple disposal field laterals, whenever practicable be of uniform length.
septic tank box, o r beConnections betwee between n a septic and a distribution tank and distribution box, tween twe en a distribution box and drainfield, shall be laid with approved watertight joints on natural ground or compacted fill.
Heavy equipm equipment ent shall shall not be used used over the tile field or bed alter the tile and gravel are in place. m.
Dispos Dis posal al fiel fields ds shall be constructed as follows:
Minimum number of drain lines per field Maximum length of each line Minimum bottom width of trench Minimum spacing side wall to side wall plus 0.6 m for the additional Minimum depth of earth earth cover over lines Maximum grade of lines Minimum grade of lines lines Minimum filter material over drain line 4.2.3 Loca Locatio tion n
14
4.3 House Sewers
4.31 Design any house sewer shall be determined on the basis of The size of any numberr of fixture fixture units drained by such sewer. Minithe total numbe mum size shall not be less less than 10 0 mm. (4 in.) in diameter.
4.3.2 Materials
a. Vitrified clay sewer pipe Asbestos cement pipe b. c. Cast iron pipe d. Bituminized fiber pipe e. Glass pipe Standards, Departf. Any other pipe pipe approved by the Bureau of Standards, Department of Trade Trade and Industry 4.3.3 Installation
a.
The house sewer shall be laid in good alignment and at a uni form slope of not less than 1:50 (0.02%) toward t he point of disposal; dispo sal; provi provided ded that, where it is impracticable, is impracticable, due to the structural features or to the depth of t he street sewer or to the structural arrangement of any building or structure, to obtain a slope of 1:50 (0.02%), (0.02%), any such pipe or piping 10 0 mm diameter or not less than 1:100 (0.01%). larger may have a slope of not
b.
Whenever the house sewer is located within 25 meters of a well Whenever or spring or any drinking water source, the house sewer shall water test for fifteen minutes. meet the ten (10) foot head of water When water is not available or when there is a danger of freezing, the air or smoke test may be used.
1
30.0 m 0.45 m 0.90 m 0.3 m of depth 0.30 m 0.5%
0.25%
5.0 c m .
c. House or building sewer sewer piping shall be laid on a firm bed throughout its entire length, and any such piping laid in ground shall be laid on a b ed of approved materials and shall be be ad ad-enii~ite1v
s i innorted
t
field or leaching bed shall be located not less The leaching tile field than twenty five (25) meters (80 ft.) from any well, spring, cis drinkingg water water supply; tern, or other source of drinkin supply; not less than 3 m. (10 ft.) from an occupied building; and not-less than 1. 5 m. (5 ft.) from any lot line.
of 5 cm . as required by this section, and this covered with untreated building paper, straw or similar porous material to prevent voids with earth backfill. closure of voids with
W here re two o r more drain lines are installed, an approved clistribution box of sufficient size to receive lateral lines shall be con a ll outstructed at the head of each disposal field. The inverts of a lets shall be level and and the the invert of t he lalet shall be at least 2. 5 cm . above the outlets. Suitable baffles shall shall be provided to insure equal flow. Distribution boxes shall be built on a level concrete slab installed in natural or compacted soil.
j.
4.3 House Sewers
4.31 Design any house sewer shall be determined on the basis of The size of any numberr of fixture fixture units drained by such sewer. Minithe total numbe mum size shall not be less less than 10 0 mm. (4 in.) in diameter.
All laterals from an approved distribution box to the disposal field where the grade exceeds 1:2000 (0.0005%) shall be bell spigot vitrified and spigot vitrified clay or other approved pipe with water tight practicable,, shall joints. Multiple disposal field laterals, whenever practicable be of uniform length.
Ic
4.3.2 Materials
a. Vitrified clay sewer pipe Asbestos cement pipe b. c. Cast iron pipe d. Bituminized fiber pipe e. Glass pipe Standards, Departf. Any other pipe pipe approved by the Bureau of Standards, Department of Trade Trade and Industry
septic tank box, o r beConnections betwee between n a septic and a distribution tank and distribution box, tween twe en a distribution box and drainfield, shall be laid with approved watertight joints on natural ground or compacted fill.
Heavy equipm equipment ent shall shall not be used used over the tile field or bed alter the tile and gravel are in place. m.
4.3.3 Installation
Dispos Dis posal al fiel fields ds shall be constructed as follows:
Minimum number of drain lines per field Maximum length of each line Minimum bottom width of trench Minimum spacing side wall to side wall plus 0.6 m for the additional Minimum depth of earth earth cover over lines Maximum grade of lines Minimum grade of lines lines Minimum filter material over drain line
0.25%
5.0 c m .
d. House sewer of other drainage piping or part thereof, which is made of materials materials other than those approved for use under or within a building, shall not be installed under o r within 0.60 m. (2 ft.) of any any building, or structure or parts thereof, nor less than 0.30 m. (1 ft.) below the surface of t he ground. Th e provisions of this this paragraph include structures such as porches and steps, whether covered or uncovered, roof patios, patios, carports, covered walls, covered walls, covered driveways and similar structures or appurtenances.
5.2.1 Subdivision
a . Approval
i. Plans of subdivisions subdivisions indicating all lots therein shal shalll be submitted to the Department of Health for approval approval of before any construction is the sewa sewage ge disposal system before started or before before any of the lots in the subdivision are sold or offer offered ed for sale whether or or not each sale entails transfer of title or deed.
-
sewage disposal systems or individual water ii. If individ individual ual sewage supply systems or both are proposed, the plot shal shalll contain all pertinents information relative relative to the installation of these systems.
Th e bottom of the the water piping at a ll points shall be at least above ve the to p of t t he sewer pipeline. 30 c m. (1 ft.) abo
SECTION 5: PUBLIC SEWERAG SEWERAGE E SYSTEM Any pers person, on, governme government nt or private entity, firm and/or agenc agency, y, corpocorporation, institution or local government unit which intends intends to construct plant shall be required a public sewerage system or sewage treatment plant to submit plans, design and the necessary data and specifications to the Secretary of Health Health or his duly authorized representative, for approval thereof prior to start of work. In case there is an existing one, its as-built plan and specifications shall be submitted for review and approval.
s i innorted
5.2 Provision of Sewerage System
ii. The water piping shall rest on a solid shelf at one side of the common trench.
5.1.2
Whenever the house sewer is located within 25 meters of a well Whenever or spring or any drinking water source, the house sewer shall water test for fifteen minutes. meet the ten (10) foot head of water When water is not available or when there is a danger of freezing, the air or smoke test may be used.
enii~ite1v
e. t1on-metallic house sewer piping shall not be run or laid in the same trench with water service pipes or any underground water pipes unless both of t t he following requirements are met:
5.1.1
b.
c. House or building sewer sewer piping shall be laid on a firm bed throughout its entire length, and any such piping laid in ground shall be laid on a b ed of approved materials and shall be be ad ad--
14
5.1
The house sewer shall be laid in good alignment and at a uni form slope of not less than 1:50 (0.02%) toward t he point of disposal; dispo sal; provi provided ded that, where it is impracticable, is impracticable, due to the structural features or to the depth of t he street sewer or to the structural arrangement of any building or structure, to obtain a slope of 1:50 (0.02%), (0.02%), any such pipe or piping 10 0 mm diameter or not less than 1:100 (0.01%). larger may have a slope of not
1
30.0 m 0.45 m 0.90 m 0.3 m of depth 0.30 m 0.5%
4.2.3 Loca Locatio tion n
i.
a.
b . Provision of Sewerage Sewerage subdivision shall be served by Wheneverr feasible, the proposed Wheneve proposed subdivision shall extension of the existing public sanitary sewerage system of by a community sewerage and sewage treatment system.
c. Proper Disposal of Sewage The proper disposal of sewage in subdivisions shall conform with the provision of Section 3 of these these rules and regulations. 5.2.2 Operation of Sewage Treatment Plants
dis isIt shall be unlawful for any person, entity, or firm to d charge untreated effluent of septic tanks and/or sewage treatment treatme nt plants to bodies of water without obtaining approval from the Secretary of Health Health or his duly author authorized ized representatives.
a.
The sewage treatment plant shall be capable of treating treating the flow of sewage discharged by the community in the area.
b.
Sludg e from from septic tanks and sewage treatment treatment plant shall be disposed of in a manner approved by the Department of Health.
sewage treatment plant shall be approved by the The type of sewage Secretary or his duly authorized representative and the effluent from such treatment plants shall meet the standards formulated by the Department of Environment and Natural Resource Resources. s.
c.
The sewage treatment plant shall provide laboratory facilities for control tests and other examinations needed.
d.
Operating data, Operating data, control test testss and such other records as may be required shall be forwarded to the local health authority.
11
d. House sewer of other drainage piping or part thereof, which is made of materials materials other than those approved for use under or within a building, shall not be installed under o r within 0.60 m. (2 ft.) of any any building, or structure or parts thereof, nor less than 0.30 m. (1 ft.) below the surface of t he ground. Th e provisions of this this paragraph include structures such as porches and steps, whether covered or uncovered, roof patios, patios, carports, covered walls, covered walls, covered driveways and similar structures or appurtenances.
5.2 Provision of Sewerage System 5.2.1 Subdivision
a . Approval
i. Plans of subdivisions subdivisions indicating all lots therein shal shalll be submitted to the Department of Health for approval approval of before any construction is the sewa sewage ge disposal system before started or before before any of the lots in the subdivision are sold or offer offered ed for sale whether or or not each sale entails transfer of title or deed.
-
e. t1on-metallic house sewer piping shall not be run or laid in the same trench with water service pipes or any underground water pipes unless both of t t he following requirements are met: i.
sewage disposal systems or individual water ii. If individ individual ual sewage supply systems or both are proposed, the plot shal shalll contain all pertinents information relative relative to the installation of these systems.
Th e bottom of the the water piping at a ll points shall be at least above ve the to p of t t he sewer pipeline. 30 c m. (1 ft.) abo
ii. The water piping shall rest on a solid shelf at one side of the common trench. SECTION 5: PUBLIC SEWERAG SEWERAGE E SYSTEM 5.1
Any pers person, on, governme government nt or private entity, firm and/or agenc agency, y, corpocorporation, institution or local government unit which intends intends to construct plant shall be required a public sewerage system or sewage treatment plant to submit plans, design and the necessary data and specifications to the Secretary of Health Health or his duly authorized representative, for approval thereof prior to start of work. In case there is an existing one, its as-built plan and specifications shall be submitted for review and approval. 5.1.1
b . Provision of Sewerage Sewerage subdivision shall be served by Wheneverr feasible, the proposed Wheneve proposed subdivision shall extension of the existing public sanitary sewerage system of by a community sewerage and sewage treatment system.
c. Proper Disposal of Sewage The proper disposal of sewage in subdivisions shall conform with the provision of Section 3 of these these rules and regulations. 5.2.2 Operation of Sewage Treatment Plants
dis isIt shall be unlawful for any person, entity, or firm to d charge untreated effluent of septic tanks and/or sewage treatment treatme nt plants to bodies of water without obtaining approval from the Secretary of Health Health or his duly author authorized ized representatives.
a.
The sewage treatment plant shall be capable of treating treating the flow of sewage discharged by the community in the area.
b.
Sludg e from from septic tanks and sewage treatment treatment plant shall be disposed of in a manner approved by the Department of Health.
sewage treatment plant shall be approved by the The type of sewage Secretary or his duly authorized representative and the effluent from such treatment plants shall meet the standards formulated by the Department of Environment and Natural Resource Resources. s.
c.
The sewage treatment plant shall provide laboratory facilities for control tests and other examinations needed.
d.
Operating data, Operating data, control test testss and such other records as may be required shall be forwarded to the local health authority.
5.1.2
11
e.
The local health authority shall be informed be informed in case of break down or improper functioning of t he treatment works.
f.
Where sew sewage age treatment plant is is provided, provided, no sewage shall be allowed to by-pass the plant.
g.
The sewage treatment plant shall be managed by a registered sanitary engineer.
SEWAGE GE D SECTION 6: DAMAGE T DAMAGE T O PUBLIC SEWER OF SEWA DI ISPOSAL SYSTEM 6.1
discharge, by any means whatIt shall be unlawful for any person to discharge, soever, into any plumbing fixtures, such as floor drain, sump, receptacle or device which is connected to any drainage system, public sewer, septic tank or cesspool any ashes, cinders, solids, rags, flarnmable, poisonous or explosive liquids or gases, oils, grease and any other thing whatsoever which would or could cause damage to the public sewage disposal system, whether the system is government or privately-owned.
SECTION 7: ABANDONED SEWER AND SEWAGE DISPOSAL FACILITIES 7.1 Every abandoned building or house sewer or part thereof, shall be plugged or capped within 1. 5 meter of the the property line.
7.2 Every cesspool, septic tank septic tank and and seepage pit which has been abandoned or has been discontinued otherwise from further use or to which no waste or soil pipe from a plumbing fixture is connected, shall have the sewage removed therefrom and be completely filled with earth, gravel, concrete o r other approved material. 7.3 Ever Every y top cover of the the cesspool, septic tank or seepage pit shall be removed remov ed before filling and the filling shall no t extend above the top of t t he vertical portions of t t he sidewalls or above the level of any outlet pipe until inspection has been called. After an Inspection by or seepage pit shall the local health office, the cesspool, septic tank or be filled to the level of the t op of t t he ground.
7.4
It is unlawful for a person owning or controlling any cesspool, septic tank, or seepage pit on his premises or in that portion of any public public property abutting such premises to refuse street, alley or other public property or neglect to comply with the provision of this section or upon receipt of notice from the local health authority.
7.5 Where disposall facilitie facilitiess are abandoned, abandoned, conseque consequent nt to connecting connecting any Where disposa premises with the public sewer, the person making the connection con shall fill a ll abandoned facilities within 30 days from the time of con necting to the public.
SECTION 8: DRAINAGE
It shall be the responsibility of every local government unit to provide and maintain In a sanitary state and in good repair a satisfactory sys tem of drainage In all inhabited areas where waste water from buildings and premises could empty without causing nuisance to th e community and danger to th e public health. 8.2 Buildings or premises producing waste water shall be connected to the
8. 1
municipal drainage system in all areas where I t exists.
SECTION 9: SPECIAL ESTABLISHMENT houses, dairies, slaughter houses, 9.0 Establishments such as industrial, laundry, slaughter poultries, piggeries, mining, hospitals, clinics, funeral parlors, labora labora-tories and other similar establishments discharging waste water into receiving river or other water bodies which create pollution problems shall be required to obtain approval from the Department of Environment and Natural Resources before construction and issuance of sanitaly permit by the local health office. SECTION 1 0 : SPECIAL PRECAUTION FOR RADIOACTIVE AND URINE OF HOSPITALIZED PATIENT EXCRETA AND EXCRETA
10.1 Patient given high doses or radioactive Isotope for therapy shall be given toilet facilities separate from those used b y “non-radioactive” patients. 10.2 Radioactive patients shall be instructed to use the same toilet bowl at
al l times and flush it at least three times after after its use. SECTION 1 1: PENAL PROVISION
18
19
e.
The local health authority shall be informed be informed in case of break down or improper functioning of t he treatment works.
f.
Where sew sewage age treatment plant is is provided, provided, no sewage shall be allowed to by-pass the plant.
g.
The sewage treatment plant shall be managed by a registered sanitary engineer.
SEWAGE GE D SECTION 6: DAMAGE T DAMAGE T O PUBLIC SEWER OF SEWA DI ISPOSAL SYSTEM 6.1
discharge, by any means whatIt shall be unlawful for any person to discharge, soever, into any plumbing fixtures, such as floor drain, sump, receptacle or device which is connected to any drainage system, public sewer, septic tank or cesspool any ashes, cinders, solids, rags, flarnmable, poisonous or explosive liquids or gases, oils, grease and any other thing whatsoever which would or could cause damage to the public sewage disposal system, whether the system is government or privately-owned.
SECTION 7: ABANDONED SEWER AND SEWAGE DISPOSAL FACILITIES 7.1 Every abandoned building or house sewer or part thereof, shall be plugged or capped within 1. 5 meter of the the property line.
7.2 Every cesspool, septic tank septic tank and and seepage pit which has been abandoned or has been discontinued otherwise from further use or to which no waste or soil pipe from a plumbing fixture is connected, shall have the sewage removed therefrom and be completely filled with earth, gravel, concrete o r other approved material. 7.3 Ever Every y top cover of the the cesspool, septic tank or seepage pit shall be removed remov ed before filling and the filling shall no t extend above the top of t t he vertical portions of t t he sidewalls or above the level of any outlet pipe until inspection has been called. After an Inspection by or seepage pit shall the local health office, the cesspool, septic tank or be filled to the level of the t op of t t he ground.
7.4
It is unlawful for a person owning or controlling any cesspool, septic tank, or seepage pit on his premises or in that portion of any public public property abutting such premises to refuse street, alley or other public property or neglect to comply with the provision of this section or upon receipt of notice from the local health authority.
7.5 Where disposall facilitie facilitiess are abandoned, abandoned, conseque consequent nt to connecting connecting any Where disposa premises with the public sewer, the person making the connection con shall fill a ll abandoned facilities within 30 days from the time of con necting to the public.
SECTION 8: DRAINAGE
It shall be the responsibility of every local government unit to provide and maintain In a sanitary state and in good repair a satisfactory sys tem of drainage In all inhabited areas where waste water from buildings and premises could empty without causing nuisance to th e community and danger to th e public health. 8.2 Buildings or premises producing waste water shall be connected to the
8. 1
municipal drainage system in all areas where I t exists.
SECTION 9: SPECIAL ESTABLISHMENT houses, dairies, slaughter houses, 9.0 Establishments such as industrial, laundry, slaughter poultries, piggeries, mining, hospitals, clinics, funeral parlors, labora labora-tories and other similar establishments discharging waste water into receiving river or other water bodies which create pollution problems shall be required to obtain approval from the Department of Environment and Natural Resources before construction and issuance of sanitaly permit by the local health office. SECTION 1 0 : SPECIAL PRECAUTION FOR RADIOACTIVE AND URINE OF HOSPITALIZED PATIENT EXCRETA AND EXCRETA
10.1 Patient given high doses or radioactive Isotope for therapy shall be given toilet facilities separate from those used b y “non-radioactive” patients. 10.2 Radioactive patients shall be instructed to use the same toilet bowl at
al l times and flush it at least three times after after its use. SECTION 1 1: PENAL PROVISION
18
19
11.1 Any person who shall violate, disobey, refuse refuse,, omit or neglect to com regulations, shall be ply with any of the these rules and the provisions of these and regulations, guilty of misdemeanor and upon conviction shall be punished by imprisoninent for a period period not exceeding six (6) months or by a fine not exceeding P1,000.00 or both, depending upon the discretion the discretion of the couit
11.2 Any person who shall interfere or or hinder, oppose any officer, agent o r member of t t he Department of Health or of the bureaus and offices under it, provincial, city or municipal health officers, sanitary engineers and sanitary inspectors inspectors in th e performance of his his duty as pro regulations, or shall tear down, mutivided for under these rules and and regulations, late, deface or alter any piacard, or notice, notice, affixed to the premises in the enforcement of these rules and regulations shall be guilty of m mis is punishable upon demeanor and punishable upon conviction by Imprisonment for for a period not exceeding six (6) months or or by a fi fine ne not exceeding P1,000.00 or both depending both depending on t he discretion of the court.
Establishment shment Type o f Establi
A N N E X Gals. Day/Person
Small dwellings and cottages
SO
Large dwellings with n u m e r o u s f ix t u r e s
7 5 -1 0 0
Multiple family family residence
50
Rooming houses Boarding houses
40 50
Hotels an d motels
50
Restaurants (kitchen wastes per meal served)
1-212-3
Kitchen wastes at hotels, camps, boarding houses, etc.,
7.10
serving 3 meals/day
Tourist camps or trailer parlcs
35.50
Resort camps (night and day) with limited plumbing
50 75. 10 0
Luxury camps (semi-permanent) rmanent) Work or construction camps (semi-pe
SECTION 1 2: SEPARABILITY CLAUSE In th e event that any rule, section, para section, paragraph, graph, senten sentence, ce, clause or words of other pr pro othese rules and regulations is declared invalid for any reason, the other visions thereof shall not be affected affected thereby.
SECTION 13 : REPEALING CLAUSE
All pertinent rules and regulations which are Inconsistent with the provi provi-these implementing rules and regulations are hereby repealed o r sions of these
50 8
1 D ay school without cafeterias, gymnasium or showers D ay school with cafeterias b ut no gyms or showers1 (Quantity estimated from no. of meals served or 8 0% enrolment) of enrolment) D ay school with cafeterias bu t no gyms and showers (Quantity estimated from maximum n o. expected to use and showers in one day) gyms and gyms Boarding schools
12
20
75.100
D ay workers at schools and offices
amended accordingly.
Hospitals1 (Gallons p er bed)
SECTION 14 : EFFECTIVITY
15
150-250
Public institutions other than hospitals
effect after fifteen (15) days from These rules and regulations shall take effect after date of publication in the official gazette or a newspaper of general circulation.
21st st day of December nineteen hundred Approved on this 21 ninety five. /
~
M.D., M.H.A. HILARION J . RAMIRO, J ~ Date of Publication: February 22, 1996
T A B L E 1 QUANTITIES O F SEWAGE FLOW
Secretary of Health 20
Factories (Gal./person/shift, exclusive of industrial industrial wastes) Public picnic parks picnic parks (toilet (toilet wastes only)
75.125 15-35
Picnic parks, with bathhous bathhouse, e, showers and flush toilets
5 10
Swimming pools and bathing places1
10
Luxury residences and estates Country clubs per resident members1 Country clubs per member present1 *
100-150 25-50 25-50
Subsurface drain fields not recommended f or secondary treatment
11.1 Any person who shall violate, disobey, refuse refuse,, omit or neglect to com regulations, shall be ply with any of the these rules and the provisions of these and regulations, guilty of misdemeanor and upon conviction shall be punished by imprisoninent for a period period not exceeding six (6) months or by a fine not exceeding P1,000.00 or both, depending upon the discretion the discretion of the couit
11.2 Any person who shall interfere or or hinder, oppose any officer, agent o r member of t t he Department of Health or of the bureaus and offices under it, provincial, city or municipal health officers, sanitary engineers and sanitary inspectors inspectors in th e performance of his his duty as pro regulations, or shall tear down, mutivided for under these rules and and regulations, late, deface or alter any piacard, or notice, notice, affixed to the premises in the enforcement of these rules and regulations shall be guilty of m mis is punishable upon demeanor and punishable upon conviction by Imprisonment for for a period not exceeding six (6) months or or by a fi fine ne not exceeding P1,000.00 or both depending both depending on t he discretion of the court.
T A B L E 1 QUANTITIES O F SEWAGE FLOW
Establishment shment Type o f Establi
A N N E X Gals. Day/Person
Small dwellings and cottages
SO
Large dwellings with n u m e r o u s f ix t u r e s
7 5 -1 0 0
Multiple family family residence
50
Rooming houses Boarding houses
40 50
Hotels an d motels
50
Restaurants (kitchen wastes per meal served)
1-212-3
Kitchen wastes at hotels, camps, boarding houses, etc.,
7.10
serving 3 meals/day
Tourist camps or trailer parlcs
35.50
Resort camps (night and day) with limited plumbing
50 75. 10 0
Luxury camps (semi-permanent) rmanent) Work or construction camps (semi-pe
SECTION 1 2: SEPARABILITY CLAUSE In th e event that any rule, section, para section, paragraph, graph, senten sentence, ce, clause or words of other pr pro othese rules and regulations is declared invalid for any reason, the other visions thereof shall not be affected affected thereby.
SECTION 13 : REPEALING CLAUSE
All pertinent rules and regulations which are Inconsistent with the provi provi-these implementing rules and regulations are hereby repealed o r sions of these
50 8
1 D ay school without cafeterias, gymnasium or showers D ay school with cafeterias b ut no gyms or showers1 (Quantity estimated from no. of meals served or 8 0% enrolment) of enrolment) D ay school with cafeterias bu t no gyms and showers (Quantity estimated from maximum n o. expected to use and showers in one day) gyms and gyms Boarding schools
12
20
75.100
D ay workers at schools and offices
amended accordingly.
Hospitals1 (Gallons p er bed)
SECTION 14 : EFFECTIVITY
150-250
Public institutions other than hospitals
effect after fifteen (15) days from These rules and regulations shall take effect after date of publication in the official gazette or a newspaper of general circulation.
21st st day of December nineteen hundred Approved on this 21 ninety five. /
~
M.D., M.H.A. HILARION J . RAMIRO, J ~
Secretary of Health
Date of Publication: February 22, 1996
20
~:
15
~
~
~ ‘-:c -~~ -
Factories (Gal./person/shift, exclusive of industrial industrial wastes) Public picnic parks picnic parks (toilet (toilet wastes only) Picnic parks, with bathhous bathhouse, e, showers and flush toilets
75.125 15-35 5 10 10
Swimming pools and bathing places1
Luxury residences and estates Country clubs per resident members1 Country clubs per member present1 *
100-150 25-50 25-50
Subsurface drain fields not recommended f or secondary treatment
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ACKNOWLEDGMENTS expresss sincere appreciation to Dr . Mario C . The Department of Health is deeply indebted and expres Villaverde, Director of th e Environmental Health Service for his role in bringing this implementing to reality. rules & regulations and the last from concept to reality. his tech Engr. Antonino A A.. 1- Tormiliosa and ThePolicy, Standards a n d Regulation Section headed by by Engr. nical staff f f o r their enduring commitment in constantly nurturing regula- this implementing rules & regula tion from the beginning a n d perceptiveness along th e wa y and Engr. Danilo de Guzman for his patience in developing th e first draft. Grateful thanks is express to the agencies, associations and organizations wh whoo sh ared their insights ationwide. onwide. Their experiences during during the consultative and experiences consultative-dialogue -dialogue a n d series of public hearings n ati struggles, debates a n d even their temporary setbacks have greatly influenced this implementing rules & regulations in our questto formulate,implement & enforce a doable sanitation law laws. s. The followin~ valuable their ongoing interest ongoing interest and agencies, associations & organizations pursued comments & contribution to this writing efforts; 1 . Metropolitan Waterworks & Sewerage System 2. Local Waler Utilities Administration Association of of th e Philippines 3 . Philippine Waterworks Association 4 . Philippine Association of Water Districts Master Plumbers Plumbers of of Master of th e Philippines 5 . National Association of
6 . Environmental Management Bureau, DENR 7 . Davao C ity W ater District 8 . Metro Iloio Water District Land U Use se & Regulatory Board 9 . Housing Land 10.. Department of Public Works and 1-lighways 10 II. Phili Philippine ppine National Police-DILG, Ba~uioCity 1 2 . Ph Philippi ilippine ne National Police-DJLG, Police-DJLG, bib City 1 3 . Commission on H u m a n Rights, Baguio City 1 4 . Urban Sewerage Excavators of Baguio City 15 . University of Baguio 1 6 . University of San Agustin, Iloio City 1 7 . AteneodeDavao 1 8 . Philippine Society of Sanitary Engineers, Inc. 19.. DOH Integrated 19 Integrated Regional Field Officers 20. Pro Provin vinci cial al Health Offices of ilocos Sur, Quezon, Benguet, North Cotabato, bib,
~:
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~
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-,
~
ACKNOWLEDGMENTS expresss sincere appreciation to Dr . Mario C . The Department of Health is deeply indebted and expres Villaverde, Director of th e Environmental Health Service for his role in bringing this implementing to reality. rules & regulations and the last from concept to reality. his tech Engr. Antonino A A.. 1- Tormiliosa and ThePolicy, Standards a n d Regulation Section headed by by Engr. implementing nical staff f f o r their enduring commitment in constantly nurturing rules & regula- regula this tion from the beginning a n d perceptiveness along th e wa y and Engr. Danilo de Guzman for his patience in developing th e first draft. Grateful thanks is express to the agencies, associations and organizations wh whoo sh ared their insights ationwide. onwide. Their experiences during during the consultative and experiences consultative-dialogue -dialogue a n d series of public hearings n ati struggles, debates a n d even their temporary setbacks have greatly influenced this implementing rules & regulations in our questto formulate,implement & enforce a doable sanitation law laws. s. The followin~ ongoing interest interest and valuable comments & agencies, associations & organizations pursued their ongoing contribution to this writing efforts; 1 . Metropolitan Waterworks & Sewerage System 2. Local Waler Utilities Administration Association of of th e Philippines 3 . Philippine Waterworks Association 4 . Philippine Association of Water Districts Master Plumbers Plumbers of of Master of th e Philippines 5 . National Association of
6 . Environmental Management Bureau, DENR 7 . Davao C ity W ater District 8 . Metro Iloio Water District Land U Use se & Regulatory Board 9 . Housing Land 10.. Department of Public Works and 1-lighways 10 II. Phili Philippine ppine National Police-DILG, Ba~uioCity 1 2 . Ph Philippi ilippine ne National Police-DJLG, Police-DJLG, bib City 1 3 . Commission on H u m a n Rights, Baguio City 1 4 . Urban Sewerage Excavators of Baguio City 15 . University of Baguio 1 6 . University of San Agustin, Iloio City 1 7 . AteneodeDavao 1 8 . Philippine Society of Sanitary Engineers, Inc. 19.. DOH Integrated 19 Integrated Regional Field Officers 20. Pro Provin vinci cial al Health Offices of ilocos Sur, Quezon, Benguet, North Cotabato, bib, dell Norte, Davao d el Sur, Aklan,Capiz, Guimaras, Antique, Negros Occidental, Davao de Davan Oriental, South Cotabato. Misamis Oriental, Misamis Occidental, Agusandel Norte, Agusan del Sur, Surigao dcl Norte, Surigao d e l Sur, Pangasinan. La Union, Nueva Ecija, Nueva Ecija, dcl Norte, Quirino, Cavite and T arlac Marinduque, Quirino, Marinduque, of Baguio City, Davao City, bib City, Manila, Mandaluyong City, 21. City Health Office~ Office~of Que~onCity, Makati City, Pasig City, Roxas City, Bacolod City, General Santos City. Caloocan City. Dagupan City, Cavite City, a n d Caloocan City. Union, Medina, 22. Municipal Health Oftices of La Trinidad, B e n g u e t, S a n Fernando, La Union, Oriental, Digos, Davao del Sur, a n d Malay, Akian. Misamis Oriental, Misamis 23. United Nations Children’s F u n d (UNICEF) 24. Plan International Philippines 25. Public Utilities Services Office (PUSO), Baguio City 26. Metro Manila Development Authority Recognition is hereby is hereby express to the following DOH personnel DOH personnel who who compassionately nurtured the collaborative effort in thee final editing of this manuscript; spirit of collaborative effort in th I.
Dr ManuelG.Roxas
Undersecretary & Chief of Staff
D r . Carmericita Noriega-Reodica Office for Office for Public Public Health Services 3 . Atty. Nocolas Lutero Ill Affairs Office for Office for Legal LegalAffairs 4. Mrs. Melahi Pons Health Policy Health Policy Development Development Office S . Engr. Victor V . Sabandeja 2.
Environmental Health Service Environmental T h e Department of Health enjoins all agencies especially the Local Government Executives in meet living environment as we ent journey rney for eco enter er our jou ing the demands & challenges for a healthful healthful living nomic development under our President’s vision for Philippines 2000. H ~ 1 f~ T R A ~ M .D J 1 .
Secretary of Health
