§ 3. Standards for maps and plans.

3.1 General: The maps and plans required by these Regulations shall show the information and shall be prepared in accordance with the standards hereinafter specified. All such maps and plans shall be prepared by and bear the name and seal of a land surveyor or professional engineer, or both, as required by law and licensed by the State Board of Examiners for Professional Engineers and Land Surveyors of the State of Connecticut. Pertinent survey data and computations shall be presented to the Commission or Board of Selectmen for review upon receipt.

3.2 Site Development Plan: The SITE DEVELOPMENT PLAN shall be drawn to a scale of not less than 1" = 100'. The plan shall show existing conditions and the proposed layout of lots, streets and improvements for the proposed subdivision and all contiguous land of the applicant that may be subdivided in the future, in order to allow the Commission to conduct a general planning review of the proposed subdivision including its relationship to the future subdivision of all contiguous land of the applicant. The plan shall show at least the following information:

3.2.1 title of the subdivision, which shall not duplicate the title of any previous subdivision in the Town of Southbury.

3.2.2 name and address of the owner of the land to be subdivided; name and address of the applicant if different from the owner.

3.2.3. date, including revision dates and a brief description of each revision; scale; true and magnetic north points; Town; and State.

3.2.4 existing and proposed property and street lines; indication of all property lines and street lines within 200 feet of the tract and the names of all subdivisions or property owners within 200 feet of the tract.

3.2.5 existing and any proposed relocation of watercourses, including streams, ponds and swamps, whether intermittent or continuous flowing; identification of any wetlands, which shall be confirmed by competent soil tests and survey in the field if requested by the Commission under Par. 2.3; the boundaries and classification codes of soil types under the National Cooperative Soils Survey of the Soil Conservation Service, US Department of Agriculture; existing and proposed easements, right-of-ways and conservation areas.

3.2.6 existing contours at an interval not exceeding five (5) feet based on field or aerial survey and using the same official Town, State, or US bench mark as provided in Par. 3.4.

3.2.7 proposed lots and lot numbers: the provision of open spaces, parks and playgrounds when, and in places, deemed proper by the Commission which open spaces, parks and playgrounds shall be shown on the subdivision plan.

3.2.8 existing permanent buildings and structures; the location proposed for a dwelling or other principal building on each lot, and the proposed driveway access thereto.

3.2.9 principal wooded areas and the approximate location of all large trees.

3.2.10 all ledge outcrops and existing stone walls and fences within the subdivision.

3.2.11 dimensions on all proposed property and street lines; lot area and the total acreage of land included in the subdivision.

3.2.12 proposed width of all streets, right-of-ways and easements; the proposed width of all pavement; and proposed street names.

3.2.13 existing and proposed monuments and pins; any municipal boundary line; and zoning district and any district boundary line.

3.2.14 existing and proposed storm drains, catch basins, manholes, ditches, watercourses, headwalls, sidewalks, gutters, curbs and other structures; and existing and proposed water mains, sanitary sewers and related facilities.

3.2.15 spot elevations on both existing and proposed roads to indicate tentative grading of roads.

3.2.16 the location of any seepage test holes, test pits and borings; locations proposed for water supply well sites; and the location and dimensions of the area suitable for leaching fields for on-site sewage disposal systems and the reserve area for future fields.

3.2.17 the limits of any areas proposed for regarding by excavation or filling; and the limits of any areas proposed to be reserved and protected from excavation or filling.

3.2.18 the location and limits of areas subject to potential flooding; the boundaries of any Special Flood Areas and floodways and the base flood elevation data therefor; and the lowest floor elevations that would be applicable for a building on any lot in the Special Flood Hazard Area in accordance with the Flood Plain Management Ordinance.

3.2.19 the location and limits of historical and archeological sites.

3.2.20 the limits of any areas of tree removal necessary to provide effective use of a passive solar energy system, based on an assumed mature tree height of fifty feet.

3.2.21 the location of proposed water storage tanks necessary to provide fire protection or the location of existing or proposed ponds.

3.3 Record Subdivision Map: the RECORD SUBDIVISION MAP shall be prepared with an accuracy meeting or exceeding standards for a "Class A-2" type of survey as specified in the "Code of Recommended Practice for Standards of Accuracy of Surveys and Maps", approved by the State Board of Examiners for Professional Engineers and Land Surveyors. The MAP shall be certified by a live stamp applied by the producer and affixed with indelible red line and be clearly and legibly drawn on good quality translucent cloth or printed on polyester film .003 thick or better. Sheet sizes should be drawn to a scale of 36" by 24", 24" by 18", or 18" by 12". The MAP should be drawn to a scale of 1" = 40', but in no case at a scale of less than 1" = 100'. The MAP shall show the following:

3.3.1 title of the subdivision, which shall not duplicate the title of any previous subdivision in the Town of Southbury.

3.3.2 name and address of the owner of the land to be subdivided; name and address of the applicant if different from the owner.

3.3.3 date, including revision dates and a brief description for each revision; scale; true and magnetic north points; Town; and State.

3.3.4 existing and proposed property and street lines; indication of all property lines and street lines within 200 feet of the tract and the names of all subdivision or property owners within 200 feet of the tract.

3.3.5 existing and any proposed relocation of watercourses, including streams, ponds and swamps, whether intermittent or continuous flowing; any wetlands; the boundaries of any Special Flood Hazard Areas and floodways, and the lowest floor elevations that would be applicable for a building on any lot in the Special Flood Hazard Area in accordance with the Flood Plain Management Ordinance ; existing and proposed easements and right-of-ways; the location and limits of all easements or reservation areas for the protection of watercourses, wetlands, flood plains and other land subject to potential flooding, and conservation areas; and the limits of any areas to be reserved or protected from excavation or filling.

3.3.6 proposed lots and lot numbers; the provision of open spaces, parks and playgrounds when, and in places, deemed proper by the Commission; the square footage or acreage of all lots and open spaces, and the total acreage of land included in the subdivision.

3.3.7 existing permanent buildings and structures.

3.3.8 dimensions on all existing and proposed property and street lines to the hundredth of a foot, and all bearings or deflection angles on all straight lines, and the central angle, tangent distance and radius of all arcs; and dimensions along property lines to the centerline of intersecting water-courses and streams.

3.3.9 the width of all streets, right-of-ways and easements; street names.

3.3.10 existing and proposed monuments and pins; any municipal boundary line.

3.3.11 a location map showing the location of the subdivision in relation to existing streets in the Town at a scale of not less than 1" = 2000'.

3.3.12 an index map, if the proposed subdivision is divided into sections or is of such size that more than one sheet is required, showing the entire subdivision with lots, lot numbers, streets, street names and delineation of areas covered by the section or sheet.

3.3.13 the survey relationship of proposed streets to nearby monumented Town streets or State highways where practical.

3.3.14 the words "Approved by the Southbury Planning Commission" with a designated place for the signature of the Chairman or Secretary and date of approval and the words "Expiration Date per § 8-26c, Connecticut General Statutes " with a designated place for such date.

3.4 Construction Plans: Construction Plans for all proposed streets, drainage and other improvements shall be drawn on good quality polyester film .003 thick or better, and the mylar presented under Par. 2.5.4i shall meet such standards. Plan and profile drawings shall be prepared for all proposed streets, storm drains, gutters, catch basins, manholes, ditches, water-courses, headwalls, sidewalks, curbs, water mains, sanitary sewers and other structures and shall be drawn on good quality mylar having a sheet size of 36" by 24" and shall be drawn to a horizontal scale of 1" = 40' and a vertical shape of 1" = 40'. Profile drawings and elevations shall be based on official Town, State or U.S. bench marks; the bench marks used shall be noted on the plan. Construction drawings shall show at least the following information in accordance with good engineering practice and as appropriate for the particular subdivision:

3.4.1 title of the subdivision; date, including revision dates and a brief description of all revisions; scale; north point; Town; and State.

3.4.2 for streets, the existing grades at the centerline and at both street lines and the proposed grade at the centerline; street lines and edge and width of pavement; a typical street cross section; a cross section at all cross culverts at a scale of one inch equals five feet; and, if requested by the Commission or Board of Selectmen, cross sections every 50 feet at a scale of one inch equals five feet.

3.4.3 limits of disturbed area for street construction.

3.4.4 depth, invert, slope and size of all pipes, ditches, culverts, manholes, catch basins, headwalls and watercourses; ditch and watercourse cross sections.

3.4.5 approximate location of lot lines intersecting the street line; lot numbers and street names.

3.4.6 sidewalks, curbs, gutters, water mains, sanitary sewers, fire protection structures and other structures.

3.4.7 detail drawings of any bridges, box culverts, deep manholes, and other special structures.

3.4.8 if requested by the Commission or Board of Selectmen, detailed grading plans at street intersections.

3.4.9 for common driveways serving more than one lot, a typical cross section.

3.4.10 the words "Approved by the Southbury Planning Commission" with a designated place for the signature of the Chairman or Secretary and date of approval.

3.4.11 the words "Approved by the Board of Selectmen, Town of Southbury" with a designated place for the signature of the First Selectman and date of approval.

3.4.12 the words "For location of underground electric, telephone and other facilities of public utilities, inquire of appropriate utility company".

3.5 Grading Plan: The area shown on the GRADING PLAN may be limited to the portion of the subdivision affected by the proposed re-grading, cuts and fills, or soil or rock removal, such as, but not limited to, borrow areas, low areas to be filled, substantial cut or fill areas along proposed streets and necessary cuts and fills to achieve a driveway grade of 12% or less. The GRADING PLAN shall be drawn on good quality translucent cloth or printed on polyester film .003 thick to the same scale as the RECORD SUBDIVISION MAP or larger.

3.5.1 title of the subdivision; date, including revision dates and a brief description of each revision; scale; true and magnetic north points; Town; and State.

3.5.2 name and address of the owner of the land to be subdivided; name and address of the applicant if different from the owner.

3.5.3 layout of existing and proposed lot lines and street lines; the boundary of the area to be re-graded, cut or filled.

3.5.4 existing and proposed contours at an interval not exceeding five (5) feet based on field or aerial survey; a profile of both existing and proposed grades of any proposed driveway within the area to be re-graded; if requested by the Commission, cross section drawings of the area to be re-graded.

3.5.5 existing and proposed drainage and watercourse; the boundaries of any Special Flood Hazard Areas and floodways and the base flood elevation data thereof.

3.5.6 existing and permanent buildings and structures.

3.5.7 location of all test holes, test pits and borings.

3.5.8 the words "Approved by the Southbury Planning Commission" with a designated place for the signature of the Chairman or Secretary and date of approval.

3.6 Soil Erosion and Sediment Control Plan: When a SOIL EROSION AND SEDIMENT CONTROL PLAN is required under Par. 4.25, such CONTROL PLAN shall contain the information and be prepared in accordance with the Town of Southbury Soil Erosion and Sediment Control Ordinance . The CONTROL PLAN may be integrated with the SITE DEVELOPMENT PLAN, construction plans, GRADING PLAN and other maps, plans and documents required by these Regulations, shall cover all land that constitutes a "disturbed area" as defined in such Ordinance. The preparer of the CONTROL PLAN shall certify to the Commission, or to the Board of Selectmen or its authorized agent, that the CONTROL PLAN conforms to the minimum standards of such Ordinance.