1104.05 IMPROVEMENT PLAN PROCESS.
   A copy of the proposed Final Plat and the Preliminary Plan showing the total drainage area(s) and drawings showing cross sections, profiles, elevations, construction details, specifications, and all calculations and computations for all required improvements shall be prepared by a registered professional engineer licensed in the State of Ohio. The Improvement Plans shall be submitted to the County Engineer, Summit Soil and Water, Planning Commission, Department of Sanitary Sewer Services, County Board of Health, and Division of Building Standards, where applicable, for their review and approval. The Improvement Plans will also be submitted to the Board of Township Trustees for informational purposes and a final copy of the Improvement Plans shall be placed on file with the Township.
   If it becomes necessary to modify the improvements as approved due to unforeseen circumstances, the Developer shall inform the County Engineer, Department of Sanitary Sewer Services, Division of Building Standards, and Summit Soil and Water where applicable, in writing of the conditions requiring the modifications. Written authorization from the appropriate review agency to make the required modification must be received before proceeding with the construction or modification of the Improvement.
   At the completion of the construction, and before acceptance, the Developer's Engineer shall update the original Improvement Plan Sheets as directed by the County Engineer and Department of Sanitary Sewer Services, where applicable, showing the locations, sizes, and elevations of all improvements as constructed. A legible paper original of the As-Built drawings shall be furnished to the Department of Sanitary Sewer Services, where applicable. The original plan sheets shall remain with the County Engineer. All final As-Built drawings approved by the County Engineer shall also be submitted in digital format.
   (a)    Improvement Plan Requirements.
(1)   Specifications. All Improvement Plans submitted shall conform to the latest edition of the State of Ohio Department of Transportation Construction and Material Specification, except as modified or otherwise specified herein as determined by the County Engineer. The County Engineer and/or Department of Sanitary Sewer Services, where applicable, may also require adjustments in design to conform to special conditions inherent within a particular Subdivision including, but not limited to, wetlands, quicksand, springs, and landslides. All sanitary sewerage systems and water supply systems which shall become owned and operated by the County of Summit and shall conform to the design standards, specifications and procedures of the Department of Sanitary Sewer Services.
(2)   Standard Drawings. Standard drawings shall be completed in accordance with either ODOT Manual or County Standards, as amended, and are available to the Developer or the Developer's Engineer from the Office of the County Engineer and/or Department of Sanitary Sewer Services, where applicable.
(3)   Preparation. A copy of the Improvement Plan and drawings showing cross- sections, profiles, specifications, and all calculations and computations for all required improvements shall be prepared by a professional engineer registered in the State of Ohio. The Improvement Plans shall be prepared in a manner as directed by the County Engineer, and/or Department of Sanitary Sewer Services, where applicable, and shall be subject to his/her approval.
(4)    Drawings.
A.   All drawings other than the final As-Built set of plan sheets shall be made with opaque black ink on paper or mylar. Digital submissions may be used during the review process. All final As-Built drawings approved by the County Engineer shall be made with opaque black ink on mylar and submitted to the County Engineer. One (1) copy of the Improvement Plans and the Comprehensive Stormwater Plan shall be submitted to the County Engineer, Summit Soil and Water, and Building Standards in digital format. (See,Section 1104.04(c) for preferred digital formats).
B.   Drawings sheet size shall be 24" X 36". Marginal lines shall be drawn around the entire sheet leaving a one-half (1/2) inch margin on the top and bottom edges and a one (1) inch margin on the outer edge.
C.   Scales to be used:
 
i.   Plan
1" = 20' or 1" = 50'
ii.   Profile
1" = 20' or 1" = 50' Horizontal
1" = 5' Vertical
iii.   Cross sections
1" = 5' Horizontal
1” = 5’ Vertical
(5)   Title Sheet. The Title Sheet shall include the following items:
A.   Overall plan of the Subdivision. Include a separate drawing drawn at the maximum scale that will allow the entire Subdivision to be shown on one (1) 24" x 36" plan sheet in as much detail as possible including all existing and proposed utilities.
B.    Location map.
C.    Title of project and location.
D.    Places for necessary approvals.
E.    Index of sheets.
F.   The distance from the allotment line, or a street in said allotment, to another known point such as an existing street intersection.
G.   A suitable title block shall be included on each sheet in the lower right corner. The title sheet shall have the seal of the design engineer who prepared the plans.
H.    A note stating that the Developer's Engineer certifies that all design data and calculations presented to the County Engineer and/or Department of Sanitary Sewer Services, where applicable, are correct and conform to the design criteria currently acceptable. The Developer's Engineer's signature, registration number and seal shall be affixed.
I.   A note stating that the County Engineer and/or Department of Sanitary Sewer Services, where applicable, in approving these plans and dedication plat thereof, does not in any way relieve the Developer's Engineer of his/her responsibility for accurate and complete engineering design.
J.   A note stating that the County Engineer and/or Department of Sanitary Sewer Services, where applicable, shall not be held liable for damages of any type which occur as a result of error and/or omissions in the engineering design data presented by the Developer's engineer. Neither shall the County Engineer and/or Department of Sanitary Sewer Services, where applicable, be liable for damages resulting from the Developer's contractor not complying with approved plans or by using construction methods or materials not approved by the County Engineer and/or Department of Sanitary Sewer Services, where applicable. The Developer and Owner's Engineer shall indemnify and hold harmless the County including its Officials, Agents and employees for any and all claims.
K.   Each set of plans shall include all notes as required by the County Engineer and/or Department of Sanitary Sewer Services.
(6)    Detail Sheets.
A.   An indication of scale, date, data, north arrow, and sheet number shall be placed on each sheet.
B.   All street, centerline data, right-of-way, and pavement widths shall be shown. Stationing shall begin at the south or west end of the improvement.
C.   All existing and proposed underground structures located in the street or easement shall be shown on both the construction plans and profile drawings. Such underground structures include gas lines, sanitary and storm sewers, water mains, culverts, and existing electric and telephone conduits.
D.   All above-ground structures which are located in such proximity to the proposed work as may be a factor affecting the construction shall be shown on the plat. Such above ground structures include trees, fences, buildings, poles, hydrants, bridges, driveways, drive culverts, and other structures.
E.   All lots or acreages abutting the streets where improvements are to be located shall be drawn to scale. The front foot dimensions, property owners' names, and sub-lot numbers (if area is subdivided) shall be included.
F.   The profile plan shall show existing center line and right-of-way elevation, ground elevations, and proposed finished centerline grade elevations. Vertical curves (finished grade) shall be stationed at twenty-five (25) foot intervals with elevations provided.
G.    All elevations used on drawings shall be based on NAV88.
H.   The location, description, and the exact elevation of a sufficient number of bench marks shall be included on the drawings. These benchmarks shall be used for construction and inspection purposes.
I.   Corporation lines, subdivision names, plat volume and pages when subdivision plat is recorded, and original lot line and parcel numbers shall be shown on the drawings.
J.   All easements, including exact location and width, shall be shown on the drawings, (and if existing, record number of the document(s)).
K.   Include detail drawings of special construction such as headwalls, concrete aprons, rip-rap, and other construction not otherwise included.
L.   No decorative or ornamental construction shall be permitted within the rights-of-way of either State or County highways.
M.    Any work within the right-of-way of a County Highway or a State Highway or a Township Road requires a Road Opening Permit.
N.   Show fire pond and related appurtenances details per Township Fire Department Design Standards, if applicable.
O.   Delineation of all areas where known or suspect soil conditions would affect the design and construction of future roads, buildings or dwelling units.
      (7)    Traffic Control Plan. The Traffic Control Plan shall include but not be limited to the layout of signage, traffic signals, striping, traffic lane improvements, roadways used for construction vehicle access, and all other traffic related items.
      (8)   Send final approved improvement plans as approved by County Engineer to Building Standards
(Res. 2008-026. Adopted 3-17-08; Ord. 2015-555. Adopted 12-14-15; Ord. 2015-561. Adopted 1-25-16; Ord. 2023-339. Adopted 11-27-23.)