H. Minimum Data Required on Street Design Plans

H. Minimum Data Required on Street Design Plans

  1. The applicant shall submit two complete sets of street design plans for the Planning Board's review. The applicant shall also submit two copies of any revisions made to the plans for approval. The plans shall be submitted on twenty-two by thirty-four inch plan/profile paper and shall be done with a horizontal scale of 1" = 40' and a vertical scale of 1" = 10'.
  2. Data Requirements
    1. Title showing the name of the subdivision, name of the street and name of the owner, date (day, month, year), revision history, scale and name and seal of an engineer licenses in the State of New Hampshire
    2. Right-of-way lines
    3. Slope and drainage easements
    4. All centerline data (tangent lengths and bearings, curve data and stationing)
    5. Edge of pavement lines
    6. Cross sections at each half station
    7. Existing grade at each half station (on profile and cross section)
    8. Proposed grade at each half station (on profile and cross section)
    9. Length of vertical curves and data (on profile)
    10. Sight distance of horizontal and vertical curves
    11. Design speed
    12. Type of terrain considered to control design
    13. Average daily traffic (ADT) based on "ITE Trip Generation Manual, 1987"
    14. Design Year based on tenth year after opening year
    15. Drainage structure location and inverts, station, skew, length, slope and end treatment
    16. Benchmarks not more than five hundred feet apart
    17. Utility locations and details
    18. Specific material specification or reference
    19. A detailed engineer's opinion of construction cost
    20. A notarized letter fixing the legal responsibility for maintenance of the streets
    21. Grading plan showing existing and proposed contours at a minimum of two foot frequency within the right of way
    22. General notes for Inspections (see section 131.68c for inspection requirements).
    23. Driveway layout with the street right-of way and spot elevations at edge of pavement, ditchline/gutter, and right-of-way line.
    24. Erosion and Sediment control plan with project-specific construction sequence.