A certain document, one copy of which was on file in the office
of the City Clerk of the City of Moscow Mills, Missouri, for at least
90 days before adoption of this section, and shall remain on file
in the office of the City Clerk of the City of Moscow Mills, Missouri,
after adoption of this section, being marked and designated as the
2015 Private Sewage Disposal Code, is adopted by reference as the
City of Moscow Mills Private Sewage Disposal Code ("Private Sewage
Disposal Code") and made a part of this chapter as if fully set forth
herein, with the additions, changes, and deletions, as set forth below.
Throughout the Private Sewage Disposal Code adopted in § 39.700, wherever the term "Name of Jurisdiction" or "Local Jurisdiction" appears, it shall be deemed to mean the City of Moscow Mills, Missouri.
Throughout the Private Sewage Disposal Code adopted in § 39.700, whenever the term "building official" and "code official" appears, it shall be deemed to mean the officer, employee, or agent designated by the Board of Aldermen of the City of Moscow Mills, Missouri.
The 2015 Private Sewage Disposal Code, adopted in § 39.700, is amended by the following provisions. Each section, subsection or clause of the Code that numerically corresponds to one of the following numbered provisions is hereby amended to read as set forth below, or deleted where so noted. Each following numbered provision without a numerically corresponding section, subsection or clause of the Code is hereby enacted and added thereto.
A.
(CHAPTER 3 GENERAL REGULATIONS).
1.
(SECTION 302 SPECIFIC LIMITATIONS).
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302.6 Water softener and iron filter backwash. Water
softener or iron filter discharge shall be diverted away from septic
system, provided a nuisance is not created.
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B.
(CHAPTER 4 SITE EVALUATION AND REQUIREMENTS).
1.
(SECTION 403 SOIL BORINGS AND EVALUATION).
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403.1 Soil borings and profile descriptions. Soil
borings shall be conducted on all sites, regardless of the type of
private sewage system planned to serve the parcel. Borings shall extend
at least 3 feet (914 mm) below the bottom of the proposed system.
Borings shall be of sufficient size and extent to determine the soil
characteristics important to an on-site liquid waste disposal system.
Borehole data shall be used to determine the suitability of soils
at the site with respect to zones of seasonal or permanent soil saturation
and the depth to bedrock. The use of power augers for soil borings
is prohibited. Soil borings shall be conducted and reported in accordance
with Sections 403.1.1 through 403.1.5. Where it is not practical to
have borings made with a backhoe, such borings shall be augered or
dug by hand.
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403.1.1 Number. There shall be not less than two
borings per soil absorption site. Where necessary, more soil borings
shall be made for an accurate evaluation of a site. Borings shall
be constructed to a depth of not less than 3 feet (914 mm) below the
proposed depth of the system.
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Exception: Three borings are required for repairs
of existing private sewage disposal systems, along with one backhoe
excavation at a 5-foot depth.
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2.
(SECTION 404).
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404.1 General. The permeability of the soil in
the proposed absorption system shall be determined by permeability
evaluation.
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404.2 Percolation tests and procedures. Delete
in its entirety.
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404.2.1 Percolation test hole. Delete in its entirety.
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404.2.3 Test procedure, other soils. Delete in
its entirety.
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404.2.4 Mechanical test equipment. Delete in its
entirety.
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3.
(SECTION 406).
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Table 406.1
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Minimum Horizontal Separation Distances for Soil Absorption
Systems Element
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Element
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Distance
(feet)
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Cistern
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50
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Habitable building, below-grade foundation
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25
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Habitable building, slab-on-grade
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15
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Lake, high-water mark
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50
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Lot line (for new construction)
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30
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Lot line (for repairs)
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10
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Reservoir
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50
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Roadway ditches
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10
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Spring
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100
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Streams or watercourse (a)
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50
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Swimming pool
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15
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Uninhabited building
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10
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Water main
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50
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Water service
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10
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Well Water
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100
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For SI: 1 foot = 304.8 mm.
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a.
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All natural watercourses depicted on the most current United
States Geological Survey (U.S.G.S) 7.5 Minute Series (Topographic)
Maps for Moscow Mills City, Missouri, shall be left in their natural
state.
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406.3 Percolation rate, trench or bed. Delete in
its entirety.
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406.4 Percolation rate, seepage pit. Delete in
its entirety.
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C.
(CHAPTER 5 MATERIALS).
1.
(SECTION 501 GENERAL).
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501.2 Minimum standards. Materials shall conform
to the standards referenced in this code for the construction, installation,
alteration or repair of private sewage disposal systems or parts thereof.
All new construction requires N.S.F. Class 1 tanks, unless otherwise
determined by the code official.
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Exception: The extension, addition to or relocation
of existing pipes with materials of like-grade or quality in accordance
with Sections 102.6 and 105.
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2.
(SECTION 504 TANKS).
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504.3 Steel tanks. Delete in its entirety.
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504.5 Manholes. Manhole collars and extensions
shall be of the same material as the tank. Manhole covers shall be
of concrete or other approved material.
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D.
(CHAPTER 6 SOIL ABSORPTION SYSTEMS).
1.
(SECTION 602 SIZING SOIL ABSORPTION SYSTEMS).
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602.1 General. Effluent from septic tanks and other
approved treatment tanks shall be disposed of by soil absorption or
an approved manner. Sizing shall be in accordance with this chapter
for systems with a daily effluent application of 3,000 gallons (11,356
925 L) or less. Two systems of equal size shall be required for systems
receiving effluents exceeding 3,000 gallons (11,356 L) per day. Each
system shall have a minimum capacity of 75% of the area required for
a single system. An approved means of alternating waste application
shall be provided. A dual system shall be considered as one system.
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2.
(SECTION 603 RESIDENTIAL SIZING).
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603.1 General. All absorption fields shall be designed
based on soil morphology revaluation reports prepared by a certified
professional soil scientist or by a professional engineer licensed
by the State of Missouri.
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Deleted: TABLE 603.1 MINIMUM ABSORPTION AREA FOR
ONE- AND TWO-FAMILY DWELLINGS
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3.
(SECTION 604 OTHER BUILDING SIZING).
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604.1 General. Calculations to determine the size
of absorption field shall be based upon sewage flow rates in Table
2A and soil groups in Tables 13 and 14 in 19 CSR 20-3.060 as currently
promulgated or as amended hereafter and as provided in that rule.
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Deleted: TABLE 604.1(1) MINIMUM ABSORPTION AREA
FOR OTHER THAN ONE-AND TWOFAMILY DWELLINGS
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Deleted: TABLE 604.1(2) CONVERSION FACTOR
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604.2 Drain Field Calculations, rounding. Calculation
for the length of the drain field shall be rounded up to the next
100 lineal feet.
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E.
(CHAPTER 7 PRESSURE DISTRIBUTION SYSTEMS).
1.
(SECTION 706 DOSING).
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706.1 General. The dosing frequency shall be not
greater than four times daily. A volume per dose shall be established
by dividing the daily waste-water flow by the dosing frequency. The
dosing volume shall be not less than 10 times the capacity of the
distribution pipe volume. Table 706.1 provides the estimated volume
for various pipe diameters.
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Table 706.1 Estimated Volume for Various Diameter Pipes
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Diameter
(inches)
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Volume
(gallons per foot length)
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1
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0.041
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1 1/4
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0.064
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1 1/2
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0.092
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2
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0.164
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3
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0.368
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4
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0.655
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5
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1.47
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For any septic system that requires dosing, the pump tank shall
be a 1,000 gallon concrete single compartment tank equipped with effluent
pump with float and high water alarm. A timer shall dose over a 24-hour
period, instead of on demand.
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F.
(CHAPTER 8 TANKS).
1.
(SECTION 802 SEPTIC TANKS AND OTHER TREATMENT TANKS).
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802.1 General. Septic tanks shall be fabricated
or constructed of monolithic concrete, fiberglass or an approved material.
Tanks shall be water tight and fabricated to constitute an individual
structure, and shall be designed and constructed to withstand anticipated
loads. The design of prefabricated septic tanks shall be approved.
Plans for site constructed concrete tanks shall be approved prior
to construction.
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802.2 Design of septic tanks. Septic tanks shall
conform to the design standards set out in 19 CSR 20-3.060(4), as
currently promulgated or as amended hereafter. Sizing of tank. The
minimum liquid capacity for one- and two-family dwellings shall be
in accordance with Table 802.7.1.
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Table 802.7.1
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Septic Tank Capacity for One-and Two-Family Dwellings
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Number of Bedrooms
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Septic Tank
(gallons)
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1
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1,000
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2
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1,000
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3
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1,000
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4
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1,250
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5
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1,500
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For SI: 1 gallon = 3.785 L.
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Exception:
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Six bedrooms or more requires 1,000 gallon trash tank in front
of Class 1.
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802.7.1 Other buildings. For buildings, the liquid
capacity shall be increased above the 750-gallon (2,839 L) minimum
as established in Table 802.7.1. In buildings with kitchen or laundry
waste, the tank capacity shall be increased to receive the anticipated
volume for a 24-hour period from the kitchen or laundry or both. The
liquid capacities established in Table 2A "Quantities of Domestic
Sewage Flows" in Section B 19 CSR 20-3.060 do not include employees.
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Exception: One- or two-family dwellings.
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Deleted: Table 802.7.2 Additional Capacity for
Other Buildings
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802.8 Installation. Septic and other treatment
tanks shall be located with a horizontal distance not less than as
specified in Table 1 "Minimum Set-Back Distances" in 19 CSR 20-3.060(4),
as currently promulgated or as amended hereafter, except that for
new construction (a) sewage tanks shall be 100 feet from any private
water supply and (b) both sewage tanks and absorption fields (disposal
areas) shall be 30 feet from any property line. Tanks installed in
ground water shall be securely anchored. A 3-inch-thick (76 mm) compacted
bedding shall be provided for all septic and other treatment tank
installations. The bedding material shall be sand, gravel, granite,
lime-rock or other noncorrosive materials of such size that the material
passes through a 0.5-inch (12.7 mm) screen.
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Deleted: Table 802.8 Minimum Horizontal Separation
Distances for Treatment Tanks.
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802.11.1 Capacity sizing. The working capacity
of the dosing or pumping chamber shall be sized to permit automatic
discharge of the total daily sewage flow with discharge occurring
not more than four times per 24 hours. Minimum capacity of a dosing
chamber shall be 1,000 gallons (3790 L) and a space shall be provided
between the bottom of the pump and floor of the dosing or pumping
chamber. A dosing chamber shall have a one-day holding capacity located
above the high-water alarm for one- and two-family dwellings based
on 120 gallons (455 L) per day per bedroom, or in the case of other
buildings, in accordance with Section 802.7. For one- and two-family
dwellings, pump chambers shall at a minimum be 1,000-gallon, single
compartment, time-dosed tanks. Where the total developed length of
distribution piping exceeds 1,000 feet (305 m), the dosing or pumping
chamber shall have two siphons or pumps dosing alternately and serving
1/2 of the soil absorption system.
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Deleted: Table 802.11.1 Pump Chamber Sizes.
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G.
(CHAPTER 9).
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Deleted: Table 903.1(3) Design criteria for a three-bedroom
home for a mound on a 0- to 6% slope with loading rates of 450 gallons
per day for slowly permeable soil
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Deleted: Table 903.1(4) Design criteria for a four-bedroom
home for a mound on a 0- to 6% slope with loading rates of 600 gallons
per day for slowly permeable soil
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Deleted: Table 903.1(5) Design criteria for a one-bedroom
home for a mound on a 0- to 12% slope with loading rates of 150 gallons
per day for shallow permeable soil over creviced bedrock.
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Deleted: Table 903.1(6) Design criteria for a two-bedroom
home for a mound on a 0- to 12% slope with loading rates of 300 gallons
per day for shallow permeable soil over creviced bedrock.
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Deleted: Table 903.1(7) Design criteria for a three-bedroom
home for a mound on a 0- to 12% slope with loading rates of 450 gallons
per day for shallow permeable soil over creviced bedrock.
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Deleted: Table 903.1(8) Design criteria for a four-bedroom
home for a mound on a 0- to 12% slope with loading rates of 600 gallons
per day for shallow permeable soil over creviced bedrock.
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Deleted: Table 903.1(9) Design criteria for a one-bedroom
home for a mound on a 0- to 12% slope with loading rates of 150 gallons
per day for permeable soil with a high water table
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Deleted: Table 903.1(10) Design criteria for a
two-bedroom home for a mound on a 0- to 12% slope with loading rates
of 300 gallons per day for permeable soil with a high water table.
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Deleted: Table 903.1(11) Design criteria for a
three-bedroom home for a mound on a 0- to 12% slope with loading rates
of 450 gallons per day for permeable soil with a high water table
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Deleted: Table 903.1(12) Design criteria for a
four-bedroom home for a mound on a 0- to 12% slope with loading rates
of 600 gallons per day for permeable soil with a high water table
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Deleted: Table 903.5.5 Downslope and upslope width
corrections for mounds on sloping sites
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Deleted: Table 903.6 Infiltrative capacity of natural
soil
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Any person who violates a provision of this code or fails to
comply with any of the requirements thereof or who erects, constructs,
alters or repairs a building or structure in violation of the approved
construction documents or directive of the building official, or of
a permit or certificate issued under the provisions of this code,
shall be guilty of a misdemeanor and upon conviction thereof shall
be punishable by a fine of not more than $500 or by imprisonment for
a term not exceeding 90 days, or by both such fine and imprisonment,
and each day's continuance of a violation shall be deemed a separate
offense. Under no circumstances shall any person's sentence be
greater than any limit established by Missouri statutes for the same
offense.
