This section applies to all projects.
(A) Standard details and specifications for the village shall be a part of these engineering design standards.
(B) Complete improvement plans for all projects shall be submitted prior to review and approval of any portion thereof.
(C) Where improvements relate to a proposed plat, a copy of the proposed plat shall be submitted with the engineering drawings.
(D) Plans submitted shall be on 24-inch by 36-inch white prints having blue or black lines and shall be neatly and accurately prepared. Judgement should be exercised in the design, layout and presentation of proposed improvements.
(E) For projects or subdivisions having more than one sheet of plans, a general index plan having a scale of 1" = 100' shall be provided showing the overall project or subdivision and indicating the size and location of all improvements shown in the detailed plans. Street names, street and easement width, lot lines, lot dimensions, lot numbers and ownership shall be shown on all plans. Utilities shall be located in accordance with the village standards. Side or rear lot easements shall have a minimum width of 12 feet. Utilities in easements shall be kept at least three feet away from side or rear lot lines. Utilities shall parallel lot lines.
(F) A separate grading plan must be submitted for the entire site. For all projects, the minimum scale shall be 1" = 100'. Superimposed on this grading plan shall be two-foot contours of the area, including the area at least 100 feet outside of the project.
(G) Engineering plans having a scale of 1" = 50' horizontal and 1" = 5' or 1" = 10' vertical shall be provided. Sanitary sewers and water mains shall be shown on the same sheet. Plan and profile views are required on all sanitary sewer mains and on some water mains.
(1) Plan view is required on all water mains. A profile view of water mains is required only on 16-inch and larger mains or when unusual ground contours occur. Profile views must be located below the plan view.
(2) Storm sewer and pavement shall be shown on the same sheets. Plan and profile views are necessary for all storm sewers except catch basin leads. Plan view is necessary on all paving. Show top of curb line on profile.
(3) In the profile view, all crossings of utilities must be shown. When a water main crosses a sewer, indicate an invert elevation for the water main. Minimum vertical clearance between utilities shall be 18 inches. Sand backfill is required between utilities. Generally only one plan and profile view per page will be accepted.
(H) Profiles of sewers shall indicate the size, class of bedding, top elevations of all manholes, length between manholes, slope and the existing and proposed ground elevations above the route of the sewer. The inverts of all sewers shall be given at manholes. The location of compacted porous backfill required shall be indicated on the plan and profile.
(I) Elevations shall be on U.S.G.S. datum indicated at two-inch intervals. Permanent bench marks for the work shall be indicated for all structures.
(J) Finished elevations shall be indicated for all structures.
(K) All plans submitted shall bear the seal of the registered professional civil engineer responsible for the design.
(L) Street names shall be approved by the approving agency. All street name and traffic-control signs on public or private roads are to be installed by and at the expense of the developer. All street signs of private roads must conform to standard village requirements if located in the village right-of-way.
(M) The project engineer shall forward plans for water and sewer to the village office for approval prior to going to the Oakland County DPS for permits. Plans should then also be forwarded to any public utility and state and other county agency whose facilities or rights-of-way may be affected by the proposed construction.
(N) For any plat, a mylar copy, a minimum of three-mils thick, of the plat accurately reduced to a scale of 1" = 200' shall be furnished to the village prior to final plat approval.
(O) Signed contracts for all improvements shall be submitted to the Village Engineer at least 14 days prior to the proposed start of construction. A preconstruction meeting between the Village Engineer and the contractor shall be scheduled at least seven days prior to the proposed start of construction. Inspections are done by the Village Engineer and must be requested with at least 48-hours’ advance notice.
(P) A two-year maintenance and guarantee bond in an amount set by and acceptable to the village shall be furnished to the village prior to the acceptance of the improvements by the village.
(Q) All public improvements must be staked under the supervision of a registered civil engineer or land surveyor according to the most current approved plans. All plans used by the contractor for construction must be stamped “Approved” by the Village Engineer and must be on site and available when the contractor is working.
(R) A 24-inch by 36-inch mylar copy, a minimum of three-mils thick, of all as-built drawings of sanitary sewer, storm sewer, water main, retention basin, paving and grading shall be provided prior to acceptance of the improvements by the village. In all cases, the utilities installed must be extended to the boundaries of the development to provide for future extensions.
(S) Insurance:
(1) Prior to the construction of subdivision and/or project improvements, the contractor shall procure and maintain, during the term of the project, public liability and property damage insurance with a responsible insurance company which meets the approval of the village, in such amounts as will be adequate to protect the public, the village, individual members of the Village Council and all parties of interest and shall not be less than the limits set forth herein.
Type of Insurance | Limits |
Type of Insurance | Limits |
Worker’s compensation and employer’s liability | As required by laws of state |
Public liability and property damage | |
Bodily injury | Each occurrence: $500,000 |
Aggregate: $1,000,000 | |
Property damage | Each occurrence: $250,000 |
Aggregate: $500,000 | |
Owners and contractors protective liability and property damage | |
Bodily injury | Each occurrence: $1,000,000 |
Property damage | Each occurrence: $250,000 |
Aggregate: $500,000 | |
Or combined single limit: $1,000,000 | |
Motor vehicle (including owner, hired and non-owned vehicles) | |
Bodily injury | Each occurrence: $500,000 |
Property damage | Each occurrence: $200,000 |
Or combined single limit: $1,000,000 | |
(2) Policies shall be made available to the village for examination as to their validity and any undesirable exclusions deemed improper by legal opinion rendered to the village regarding same. Underground construction, where applicable, shall be specified in the coverage. Certificates of coverage signed by the insurance carriers shall include a guarantee that 30-days’ written notice shall be given by the insurance carrier to the village prior to the cancellation of, or any change in, the respective policies. In the event that the insurance is canceled, operations shall cease prior to the cancellation date and shall not resume until evidence is provided that proper insurance is again in effect. Additional named insured under owners and contractors protective public liability and property damage insurance shall include the village, individual members of the Village Council, the village consulting engineer and members of his or her staff, village employees and agents for the village and parties of interest.
(T) The proprietor shall obtain, or cause his or her contractor(s) to obtain, all permits, post all required bonds and pay all required fees for each and all departments having jurisdiction over the lands and rights-of-way involved in his or her project before work can commence. Proper notification shall be given each governmental agency and utility company prior to the beginning of construction. The village and the Village Engineer shall require a minimum 48-hour notice prior to the commencement of any construction.
(U) The as-built plans furnished by the project engineer shall contain a statement certifying that all surface grades, roads and structures are in conformance with the approved plans. The statement shall be signed by a registered professional engineer prior to acceptance of any improvements by the village.
(O.C. § 5.701) (Am. Ord. 268, passed 9-19-22)