An owner shall comply with the requirements for obtaining a residential OSDS permit contained in 410 IAC 6-8.2-52. If a sanitary sewer exists within 300 feet of the property for which the OSDS permit is requested, the Health Officer may deny the application for an OSDS permit and require that the residence be connected to the sanitary sewer.
(A) The owner or owner's agent shall obtain a written permit signed by the Health Officer for the construction of an OSDS prior to the following:
(1) The start of construction, or the placement, of a residence that will not be connected to a PPOTW at the time of initial occupancy.
(2) The start of any construction of a residential OSDS repair or replacement.
(3) The start of construction of any replacement, reconstruction, or expansion of a residence which may increase the number of bedrooms.
(4) The start of construction of any commercial facility which will not be connected to a PPOTW at the time of initial occupancy.
(5) The start of construction of a commercial OSDS repair or replacement.
(B) The owner or owner's agent shall provide an application, floor plan, and plan submittal for an OSDS permit.
(C) The plan for a new residential OSDS shall be drawn up by a registered engineer or land surveyor and shall contain the following information:
(1) Legal description of the property, scale, site location map, and north arrow.
(2) Property owner or client's name and address.
(3) Property boundaries.
(4) Surveying benchmark.
(5) Footprint of all existing and proposed buildings, mobile homes, etc.
(6) Location of all existing or proposed roads and driveways.
(7) Location of all existing rights-of-way, building setbacks, and easements.
(8) Size and location of any legal county drain. No permanent structure or installation may be built within 75 feet of a legal drain.
(9) Indicate the 100-year flood elevations as determined by the Indiana Department of Natural Resources (IDNR).
(10) Utility services.
(11) Location of proposed or existing private well(s) with 50-foot radius drawn (unless soil type requires additional distance under 410 IAC 6-8.2-56).
(12) Location of all proposed or existing public water supply well(s) within 100 feet of the OSDS.
(13) Location of all trees, and shrubs that may affect the construction of the OSDS.
(14) Location of all soil borings.
(15) Location of all lakes, ponds, reservoirs, rivers, streams, ditches, or swales.
(16) Location, design, size, and depth of proposed OSDS and subsurface drainage.
(17) Description, location, size, and depth of proposed subsurface drainage outlet.
(18) Contour lines, shown at one- or two-foot intervals.
(19) Finished first floor elevation of the structure.
(20) Invert elevations of all pipes as they enter and/or exit the dwelling, septic tank, dosing tank (if present), and distribution box.
(21) Existing ground elevations, trench bottom elevations, and invert elevations of both ends of all absorption fingers.
(22) Existing ground and invert elevations at the corners of the subsurface drain.
(23) Invert elevation of the proposed subsurface drainage outlet if a tile is to be utilized. If an open drain is to be used, a cross sectional drawing showing elevation of bank top and ditch bottom should be provided along with annual high water flow line.
(24) Specifications that the site must be protected from all compacting, grading, and/or filling prior to installation or the site may be rendered useless.
(25) Indications that the septic tank(s),dosing tank (if required), and absorption fields may be constructed no closer than ten feet from a property line, dwelling, water line, or structure, and no closer than 50 feet from any private water supply, including any on neighboring properties.
(26) A minimum septic tank capacity of 1,250 gallons.
(27) Outlet filter diagram with manufacture's name, filter name, and filter size as well as location to be installed.
(28) An access manhole at each end of the septic tank, with double lids, with a risers extending to final grade, and fitted with a secured gastight cover. At least one of the access manholes and its associated riser shall be no less than eighteen inches in diameter.
(29) Adequate baffling, an elbow or a sanitary tee in the distribution box, and at least five feet of solid piping from the distribution box to each trench.
(30) Trench length and trench spacing of a minimum of ten feet on centers if room permits; trenches installed parallel to existing ground contours.
(31) A cross-sectional detail of an absorption trench. Indicate a minimum of 12 inches of cover soil shall be placed over the trench after construction.
(32) A cross-sectional detail of a typical subsurface drain trench.
(33) If the outlet of the perimeter drain is off the property, a drainage easement must be obtained. A copy of the easement must be recorded with the County Recorder and submitted with the plan.
(34) The size in gallons of the dosing tank, if one is required. Provide a cross-section of the dosing tank, including elevations of the pump intake, the on/off and alarm switches, and the tank inlet and outlet.
(35) An access hatch in the dosing tank of sufficient size to allow removal of the pump for maintenance. Specify that the dosing tank hatch will be at ground level.
(36) The pumping rate of the dosing pump and pump size. Include the head discharge curve for the pump and the calculations for total dynamic head for the system.
(37) The force main from the dosing tank, if required, and indicate length and diameter.
(38) If an elevated sand mound is to be used as the disposal area, the plot plan shall show:
(a) The dimensions of the basal area and aggregate bed of the mound.
(b) A cross-sectional detail of the aggregate bed in the mound.
(c) A depiction of the manifold and delivery laterals, including lengths, diameters, and number of holes in the laterals.
(d) The calculations for total system head plus the discharge curve for the pump chosen for the system, to demonstrate that the pump has sufficient capacity.
(D) The plan for a repair or replacement residential OSDS shall be drawn up by a Boone County certified and registered OSDS installer, registered engineer, or land surveyor and shall contain the following information:
(1) Scale and north arrow.
(2) Property owner or client's name and address.
(3) Property boundaries.
(4) Surveying benchmark.
(5) Footprint of all existing and proposed buildings, mobile homes, etc.
(6) Location of all existing or proposed roads and driveways.
(7) Size and location of any legal county drain. No permanent structure or installation may be built within 75 feet of a legal drain.
(8) Indicate the 100-year flood elevations as determined by the Indiana Department of Natural Resources (IDNR).
(9) Utility services.
(10) Location of proposed or existing private well(s) with 50-foot radius drawn.
(11) Location of all proposed or existing public water supply well(s) within 100 feet of the OSDS.
(12) Location of all trees, and shrubs that may affect the construction of the OSDS.
(13) Location of all soil borings.
(14) Location of all lakes, ponds, reservoirs, rivers, streams, ditches, or swales.
(15) Location, design, size, and depth of proposed OSDS and subsurface drainage.
(16) Description, location, size, and depth of proposed subsurface drainage outlet.
(17) Existing ground elevations, trench bottom elevations.
(18) Existing ground and invert elevations at the corners of the subsurface drain.
(19) Invert elevation of the proposed subsurface drainage outlet if a tile is to be utilized.
(20) Indications that the septic tank(s),dosing tank (if required), and absorption fields may be constructed no closer than ten feet from a property line, dwelling, water line, or structure, and no closer than 50 feet from any private water supply, including any on neighboring properties.
(21) A minimum septic tank capacity of 1,250 gallons.
(22) An access manhole at each end of the septic tank, with double lids, with a risers extending to final grade, and fitted with a secured gastight cover. At least one of the access manholes and its associated riser shall be no less than 18 inches in diameter.
(23) Outlet filter diagram with manufacture's name, filter name, and filter size as well as location to be installed.
(24) Trench length and trench spacing of a minimum of ten feet on centers if room permits; trenches installed parallel to existing ground contours.
(25) If the outlet of the perimeter drain is off the property, a drainage easement must be obtained. A copy of the easement must be recorded with the County Recorder and submitted with the plan.
(26) The size in gallons of the dosing tank, if one is required.
(27) The force main from the dosing tank, if required, and indicate length and diameter.
(28) If an elevated sand mound is to be used as the disposal area, the plot plan shall show:
(a) The dimensions of the basal area and aggregate bed of the mound.
(b) A cross-sectional detail of the aggregate bed in the mound.
(c) A depiction of the manifold and delivery laterals, including lengths, diameters, and number of holes in the laterals.
(d) The calculations for total system head plus the discharge curve for the pump chosen for the system, to demonstrate that the pump has sufficient capacity.
(E) If a subsurface system is to be used as the OSDS the following shall be staked out on the lot:
(1) All absorption fingers at each end.
(2) Interceptor drain (if required).
(3) Perimeter drain at each corner (if required).
(4) Segment drain (if required).
(F) If an elevated sand mound is to be used as the OSDS the following shall be staked out on the lot:
(1) Soil absorption field.
(2) Dispersal area.
(3) Interceptor drain (if required).
(4) Perimeter drain at each corner (if required).
(5) Segment drain (if required).
(G) The Health Officer or agent may require alternative OSDS to be staked out on the lot.
(H) The Health Officer or agent must inspect and approve all proposed or actual OSDS perimeter drain connections into any outlet. The owner or owner's agent shall uncover necessary tiles showing proposed connections and outfall, before the OSDS permit will be issued. The tile shall be left uncovered until approved by the Health officer or agent, or a minimum of two working days has elapsed after written notice has been received by the Boone County Health Department. A working day is a calendar day exclusive of Saturday, Sunday, and County recognized legal holidays.
(I) All lots requiring subsurface drainage will be connected into a working drain, hereinafter called an outlet of the following type:
(1) Existing tile drain.
(2) Legal court drain.
(3) Natural watercourse.
(4) Storm sewers.
(5) Existing open ditch.
(J) The owner or owner's agent shall obtain a written approval from the Indiana State Department of Health for the construction of a commercial facility OSDS and an alternative technology OSDS for a residence, for which the authority to issue a permit has not been delegated to the Health Officer. The application to the Health Officer shall include a copy of the approval letter issued by the Indiana State Department of Health that acts as an OSDS construction permit and a copy of the plan submittal.
(K) The OSDS permit shall be available to regulatory authorities at the residence or commercial facility where the OSDS is under construction.
(L) A residential OSDS permit or commercial OSDS permit shall expire upon completion of OSDS construction or within one year after issuance, whichever comes first. A residential OSDS permit may be renewed up to two times if the owner or owner's agent applies for renewal not more than 30 days after expiration. When an OSDS permit has expired, construction on the OSDS and the residence or commercial facility it serves shall not commence or resume unless a new application and fee have been submitted and a new OSDS permit has been obtained. The owner or owner's agent shall comply with the conditions of the new OSDS permit.
(M) An owner shall obtain a written permit signed by the Health Officer for the use of a privy. Privies shall conform to Indiana State Department of Health Bulletin S.E. 11, "The Sanitary Vault Privy," 1986 Edition; a copy is filed in the office Boone County Health Department for public inspection.
(Ord. 2012-04, passed 4-2-2012)