As used in this chapter, the following terms shall have the meanings indicated:
AASHTO
The American Association of State Highway and Transportation Officials.
APPROVAL OF THE TOWN
The approval in writing by the Town Highway Superintendent.
ASP
Aluminized steel pipe.
ASTM
Shall stand for ASTM International, originally known as the American Society for Testing and Materials.
CULVERT
Any structure whether of single or multiple span construction with an interior width of five feet or less.
GUIDERAIL
A rail that serves to guide vehicle movement in the right direction or to control the sideways movement of a vehicle.
HDPE
High-density polyethylene pipe.
HIGHWAY
All land encompassing highways constructed, improved, and dedicated or conveyed to the Town and (after such dedication or conveyance) maintained by the Town and shall include all necessary sluices, drains, ditches, swales, waterways, embankments, retaining walls, bridges on such highway (and under the jurisdiction and control of the Town) and culverts, and the approaches of any such bridge or culvert (beginning at the back of the abutments). The term does not include sidewalks or boardwalks or renewals thereof.
JOB-MIX DESIGN
The selection of proportions of ingredients to make the most economical use of available materials to produce a material mix of the required properties.
MATERIAL TEST REPORTS
The reporting of the properties of a substance in comparison with a standard or specification.
MODIFIED PROCTOR
The maximum dry density of a soil determined in accordance with ASTM Standard D1557.
NYCRR
The official compilation of Codes, Rules, and Regulations of the State of New York.
NYSDEC
The New York State Department of Environmental Conservation.
NYSDOT
The New York State Department of Transportation.
PRODUCT DATA SHEET
Printed documentation detailing the specifications of a product.
RCP
Reinforced concrete pipe.
ROAD
The portion of the highway, improved, designed, or ordinarily used for vehicular travel, inclusive of the shoulder.
ROADBED
The portion of the highway, improved, designed, or ordinarily used for vehicular travel, exclusive of the sidewalk, berm or shoulder.
SHOP DRAWING
A scale drawing to be used as a design guide in the workship of a manufacturer.
TOWN
Shall refer to the Town of Dryden.
TOWN SUPERINTENDENT
The Town Superintendent of Highways.
TRAVEL LANE
That portion of the roadbed located between the center line and shoulder.
UL
Underwriters Laboratory.
WORK
The entire construction or the various separately identifiable parts thereof required to be provided. Work includes and is the result of performing or providing all labor, services, and documentation necessary to produce such construction, and furnishing, installing, and incorporating all materials and equipment into such construction.
A. 
These specifications shall apply to all new highway construction in the Town outside of the Villages of Dryden and Freeville when such highway is proposed to be dedicated or conveyed to the Town with the future maintenance thereof to be the obligation of the Town.
B. 
Highways shall be a minimum of 60 feet in width. Highways shall intersect each other at between 80 and 90°. The minimum center-line grade shall be 0.5% and the maximum center-line grade shall be 10%. The minimum radius for intersecting highways shall be 25 feet. Wider highways may be required where deep cuts and fills, safety issues, pedestrian facilities, bicycle facilities or special maintenance needs exist. Additional widths may also be required adjacent to drainage structures or where there is potential for future traffic growth. All improvements shall be centered in the highway. Exceptions will be allowed only with the written approval of the Town. Highways may be constructed in preexisting widths narrower than 60 feet, which were reserved for this purpose. There shall be no obstructions to a clear line of sight, such as trees, bushes, buildings, fences, etc. within the highway.
[Amended 5-17-2012 by L.L. No. 3-2012]
C. 
Total roadbed width and shoulders shall be a minimum of 30 feet. Total roadbed width for two-lane highways shall be 20 feet and shoulder widths shall be five feet. Refer to Figure No. 1, Typical Highway Cross-Section.[1] Figure No. 1 indicates the minimum material thicknesses. Depending on the future use of the street, the Town may require greater thicknesses. In rock cut sections, the backslope beyond the highway shall be a minimum of 1:1.
[1]
Editor's Note: Figure No. 1 is included as an attachment to this chapter.
D. 
Geometric design features for local highways should be consistent with a minimum design speed of 30 mph. The design for all other highways shall be appropriate for the use intended and must be approved by the Town.
E. 
Where superelevation is required the cross slope of the roadbed shall not exceed 8%.
F. 
Stopping sight distance shall be in accordance with AASHTO Standards but no less than 300 feet (back from the intersection).
G. 
The minimum radius for horizontal and vertical curves shall be 150 feet and 100 feet, respectively. The minimum radius for intersecting edges of shoulder and roadbed shall be 40 feet and 45 feet, respectively.
H. 
Highway culverts:
(1) 
Shall be a minimum of 18 inches in diameter for ASP and 15 inches in diameter for smooth interior HDPE or RCP unless hydraulic calculations by a licensed professional engineer indicate otherwise. Culverts shall have a minimum of 15 inches of approved material covering them.
(2) 
Culverts shall be placed in natural waterways and low points in the roadbed grade. Where culverts cross the roadbed, the top of culvert shall not extend above the elevation of the roadbed subgrade.
(3) 
All culverts shall be installed with end sections at the inlet and outlet. See Paragraph B, l, m, ii, in Material Specifications[2] for the type to be installed for each pipe type.
[2]
Editor's Note: So in original.
(4) 
Culverts with inverts deeper than four feet below the road shoulder or roadside grades greater than 3:1 will require guide rail to be installed as approved by the Town. Guide rail shall be designed in accordance with NYSDOT Standards. Guide rail sections of less than 150 feet shall be box beam guide rail.
(5) 
All culverts and buried drainage pipe shall have a minimum slope of 0.5%.
(6) 
All buried drainage pipe inverts shall be a minimum of 2.5 feet and a maximum of eight feet deep below the roadbed.
(7) 
Refer to Attachment No. 1, Driveway Culvert and Drainage Policy, for specifications relating to driveway culverts.[3]
[3]
Editor's Note: Said attachment is included as an attachment to this chapter.
I. 
Perforated underdrain pipe, wrapped in geotextile fabric, may be required by the Town for low wet areas, where side hill seepage is encountered or in any other area where groundwater will impair the integrity of the roadbed. Refer to Figure No. 3, Details.[4]
[4]
Editor's Note: Figure No. 3 is included as an attachment to this chapter.
J. 
All dead-end highways shall terminate with a turnaround. Refer to Figure No. 4, Typical Turn-A-Round.[5]
[5]
Editor's Note: Figure No. 4 is included as an attachment to this chapter.
K. 
Swales:
(1) 
Shall be designed to the minimum dimensions shown on Figure No. 1 and have a grade of between 1% and 10%.
(2) 
Dry rip rap, of the weight and diameter required by the NYSDEC Guidelines for Urban Erosion and Sediment Control, latest edition, shall be provided in all swales with grades exceeding 5% and shall extend up the slopes of the swale to the elevation of the ten-year rainfall event.
(3) 
The center line of all open grassed swales must be a minimum 10 feet from the outside edge of the roadbed. The depth of the swales shall be a minimum of two feet and a maximum of four feet deeper than the outside edge of pavement.
(4) 
A concrete swale may be utilized in place of a grassed swale only with the approval of the Town. If either cannot meet the grade requirements, an alternate design may be submitted for consideration.
(5) 
The side slopes of an open swale shall not be greater than 3:1. The Town may require steeper slopes for cuts in rock, or steep hill cuts.
L. 
Where subsurface storm drainage, curbed sections, concrete gutters or paved swales are proposed, provisions for drainage of the road subbase will be required. Refer to Figure No. 2, Road Section with Gutter or Curb.[6] The highway drainage design shall be approved by the Town prior to the start of construction.
[6]
Editor's Note: Figure No. 2 is included as an attachment to this chapter.
M. 
Construction documents shall be signed and sealed by a New York State licensed professional engineer and submitted to the Town for consideration. No construction shall begin until the plans are approved by the Town. Documents shall include, as a minimum:
(1) 
Stormwater pollution prevention plan consistent with NYSDEC GP-02-01 and all Town local laws.
(2) 
Erosion and sediment control plan consistent with all Town local laws.
(3) 
Highway layout plans and center-line profiles.
(4) 
Highway cross sections every 50 feet. Sections to include depth of subbase, base distance from edge of roadbed to bottom of open swale, and depth of open swale from edge of shoulder.
(5) 
Utility plans and profiles of all below-ground utilities including highway culverts, closed drainage systems, sanitary sewers and water mains.
(6) 
Construction details of all components of the work.
(7) 
Technical specifications for all products proposed for use in the work.
N. 
Water mains and sanitary sewers located on Town property must be designed in accordance with the Town's specifications and must be approved by the Town prior to acceptance. Water mains and sanitary sewers shall be constructed within the highway limits (with the exception of crossings) in the backslope of the swale, not in the shoulders or roadbed area.
O. 
Cable, phone, electric, and gas utilities shall be installed outside of the highway line with the exception of crossings.
P. 
The developer, at the developer's expense, will correct any deviation from the approved plans and specifications. The developer is also responsible to obtain and pay for all permits required by any local, state or federal agency. Copies of all permits shall be submitted to the Town prior to beginning construction.
Q. 
Highway cuts.
(1) 
No open cutting of a roadbed will be permitted after placement of a top course except as approved in writing by the Town.
(2) 
Repairs of highway cuts. Asphalt paved and surface treated roads shall be repaired to the full depth of the highway section per Figure No. 1. Fill material below the subbase shall be bank-run gravel or select on site fill material approved by the Town prior to disturbance.
R. 
Waivers. Waivers from any of these specifications, to the extent permitted by other laws and unless specifically delegated to a Town officer elsewhere in these specifications, shall be granted only by the Town in writing prior to taking any action.
S. 
In addition to the highway dedication map, As-constructed drawings shall be provided and include the following:
(1) 
Center-line plan and profile.
(2) 
Location and inverts of all water mains, water valves, hydrants, water services with curb box, sanitary sewer mains, manholes, sanitary laterals, storm sewers, drainage inlets, driveway culverts and highway culverts.
(3) 
Edge of pavements and swale center lines.