Town of Schodack, NY
Rensselaer County
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Table of Contents
Table of Contents
The design, material and construction methods shall conform to the applicable sections of the current editions and subsequent revisions of the following documents. These documents may be reviewed in the office of the Town Planning Board.
A. 
A Policy on Geometric Design of Highways and Streets, American Association of State Highway and Transportation Officials (AASHTO).
B. 
Guide For Design of Pavement Structures, AASHTO.
C. 
Highway Design Manual, New York State Department of Transportation (NYSDOT) Facilities Design Subdivision.
D. 
Manual of Uniform Traffic Control Devices, NYSDOT Traffic and Safety Division.
E. 
Standard Specifications for Highway Bridges, AASHTO.
F. 
Standard Specifications (Construction and Materials), NYSDOT Office of Engineering.
G. 
Driveway Opening Ordinance, Town of Schodack.[1]
[1]
Editor's Note: See Ch. 112, Driveways.
A. 
Certification of materials used for road subbase, pavement, drainage structures and/or surface treatment and appurtenances shall be submitted.
B. 
When requested, tests shall be made to determine the suitability of the subgrade material to support foundation course(s) and pavement.
C. 
Compaction tests shall be made of embankment sections and the subbase course at the interval specified in the quality assurance plan but not fewer than one per every 500 feet of constructed road for each course of material.
Prior to construction, necessary approvals shall be obtained from the appropriate agency having jurisdiction (NYSDOT, the Rensselaer County Highway Department and/or the Town Highway Department) for:
A. 
Proposed curb cuts on town, county or state roads.
B. 
Proposed streets which intersect town, county or state roads.
C. 
Stormwater discharge to any town, county or state road or drainage system.
A. 
Minimum and maximum design values.
(1) 
Minimum and maximum design values shall be as follows:
Item
Local Access Only
Local Through
Collector
Minimum right-of-way (feet)
60
60
60
Minimum pavement width (feet)
30
30
30
Minimum grade (percent)
1
1
1
Maximum grade (percent)
8
8
6
Minimum tangent section between curves (feet)
100
100
150
Minimum horizontal curve (feet)
200
250
400
Minimum vertical curve (feet)
100
150
200
Design speed (mph)
30
30
45
(2) 
All roads shall be designed in accordance with the requirements set forth in § 188-40, Applicable standards.
(3) 
For the design values listed in the above table, the more stringent standards shall apply.
B. 
Dead-end streets. Culs-de-sac or other approved turnarounds shall be provided at all temporary and permanent dead-end streets. Culs-de-sac shall have a minimum pavement radius of 50 feet to the outside edge and a minimum radius of 60 feet to the right-of-way.
C. 
Minimum turning paths. Streets, parking areas and access roads shall be designed to accommodate the minimum turning path of an American Association of State Highway and Transportation Officials (AASHTO) bus design vehicle.
D. 
Intersections.
(1) 
Intersection offset distances shall be not less than 150 feet. Greater distances shall be maintained on collector and arterial roads.
(2) 
Intersections shall be at approximate right angles for the first 100 feet, but in no case shall the angle of the intersection be less than 75°.
(3) 
Intersection grades shall not exceed 3% in the first 50 feet.
A. 
Monuments. Monuments shall be granite stone or reinforced concrete, four inches by four inches by four feet long.
B. 
Geotextiles. Soil stabilization shall be as follows:
(1) 
Under pavement Trevira Spunbound Type 1125 or equal.
(2) 
Drainage fabric: Trevira Spunbound Type 1114 or equal.
C. 
General fill for embankments.
(1) 
General fill for embankments shall be sound, durable soil or rock free from topsoil, muck or organic material, as approved by Town Engineer. Material with a magnesium sulfate soundness loss exceeding 35% may be rejected.
(2) 
The maximum particle size shall be 10 inches.
(3) 
The sieve size percent passing shall be as follows:
(a) 
No. 40: 0% to 70%.
(b) 
No. 200: 0% to 15%.
D. 
Subbase course.
(1) 
The bottom course shall be NYSDOT Section 304, Type 3.
(2) 
The top course shall be NYSDOT Section 304, Type 4.
E. 
Asphalt concrete.
(1) 
Asphalt concrete binder shall be NYSDOT Section 403, Type 3.
(2) 
Asphalt concrete top course shall be NYSDOT Section 403, Type 7.
F. 
Curbs.
(1) 
Asphalt concrete curb shall be NYSDOT Section 714-06.
(2) 
Concrete curbs shall be conventionally or machine formed concrete curb, NYSDOT Section 609-2.01 or 2.02.
G. 
Sidewalks.
(1) 
Subbase shall be NYSDOT Section 304, Type 4.
(2) 
Concrete sidewalks shall be NYSDOT Section 501-2, Class A concrete.
(3) 
Asphalt concrete sidewalks shall be NYSDOT Section 401-2.02, Type 7.
H. 
Guiderailing.
(1) 
Wood guiderails shall be NYSDOT Section 710-13.
(2) 
Corrugated beam guiderailing shall be NYSDOT Section 710-20.
(3) 
Cable guiderailing shall be NYSDOT Section 710-22.
(4) 
Box beam guiderailing and median barrier shall be NYSDOT Section 710-21.
I. 
Traffic control devices.
(1) 
Street signs, aluminum signs and aluminum alloy or galvanized steel posts shall be NYSDOT Section 645-2.
(2) 
Regulatory and warning signs shall be NYSDOT Section 645-2.
(3) 
Delineators and snowplow markers shall be NYSDOT Section 646-2.
(4) 
Traffic signals shall be NYSDOT Section 680-2.
J. 
Street trees. Street trees shall be two-and-one-fourth-inch caliper deciduous trees, species as approved, NYSDOT Section 713-06.
K. 
Landscaping.
(1) 
Topsoil shall be NYSDOT Section 713-01.
(2) 
Turf establishment shall be as follows:
(a) 
Limestone: NYSDOT Section 713-02.
(b) 
Fertilizer: NYSDOT Section 713-03, Type 3.
(c) 
Mulch: NYSDOT Sections 713-18 and -19.
(d) 
Mulch anchorage: NYSDOT Section 713-12.
(e) 
Seed: NYSDOT Section 610-2.02.
L. 
Utilities. Materials for gas, electric, telephone, television cable and other utilities shall meet the requirements of the utilities having jurisdiction.
A. 
Construction stakeout.
(1) 
A licensed surveyor shall provide stakeout of the following items prior to construction:
(a) 
The road center line and the edge of the right-of-way at a minimum of one-hundred-foot stations on tangent sections.
(b) 
All beginnings and ends of curves and at fifty-foot stations along the curves.
(c) 
The top of bank and toe of bank in cut or fill sections.
(d) 
The limits of construction where different from the road right-of-way.
(2) 
Sufficient vertical and horizontal control outside of the work area shall be maintained to check and reestablish stakeout as necessary.
B. 
Clearing of trees and brush.
(1) 
Trees and brush shall be cleared within the right-of-way. Additional clearing may be required to maintain the design sight distance.
(2) 
No stumps, trees or brush shall be buried within the right-of-way. Disposal shall be in an approved manner.
C. 
Subgrade preparation.
(1) 
Topsoil under the street section and under all embankment areas shall be removed.
(2) 
The subgrade and embankment foundation areas shall be free of all stumps, organic material, boulders, soft clay and other objectionable material.
(3) 
The full depth of unsuitable material shall be removed and replaced with approved compacted fill. Do not use frozen fill or fill on frozen subgrade.
(4) 
Subgrade shall be compacted to 95% standard proctor density.
(5) 
Approved embankment fill shall be placed in eight-inch lifts and compacted to 95% standard proctor density.
(6) 
Any other excavation shall be filled with approved fill material and compacted to 95% standard proctor density.
D. 
Subbase course.
(1) 
The subbase course shall be placed and compacted in accordance with NYSDOT Section 304. The minimum subbase section shall be eight inches of Item 304.04, Type 3, and four inches of Item 304.05, Type 4.
(2) 
The tolerance of the subbase course shall be 1/2 inch from required elevations.
(3) 
The minimum thickness of gravel subbase shall be increased for poorer subgrades depending on the AASHTO soil group classification, as follows:
(a) 
AASHTO Groups A-4 and A-5: 18 inches total thickness, 14 inches Type 3 and four inches Type 4.
(b) 
AASHTO Groups A-6 and A-7: 24 inches total thickness, 20 inches Type 3 and four inches Type 4.
(4) 
Soil stabilization fabric will be required over subgrades of AASHTO Groups A-4, A-5, A-6 and A-7.
(5) 
Alternate pavement structures designated in accordance with the AASHTO Guide for Design of Pavement Structures will be considered for approval and shall be used for special circumstances such as nonresidential developments or high-volume streets. In no case shall the proposed subbase and pavement be less than the above minimums.
E. 
Pavement.
(1) 
Streets shall be paved with a minimum of 2 1/2 inches of asphalt concrete binder and 1 1/2 inches of asphalt concrete top course in accordance with NYSDOT Section 403.
(2) 
No pavement shall be installed until all underground utilities are installed and approved.
F. 
Alternate surface treatment (when approved). All double-course oil and stone shall be placed in accordance with NYSDOT Section 410.
G. 
Curbs.
(1) 
Finished pavement adjacent to concrete or stone under curb shall be cleaned and tack-coated.
(2) 
Asphalt concrete curb shall be machine-placed to line and grade.
(3) 
Asphalt concrete curb shall be laid on the base course and keyed in with the top course.
(4) 
Concrete curbs, where required, shall be placed in accordance with NYSDOT Section 609-3.03.
H. 
Sidewalks.
(1) 
Subbase. A six-inch-thick subbase course of Type 4 gravel shall be placed and compacted in accordance with NYSDOT Section 304.
(2) 
Concrete sidewalks. Four-inch-thick concrete sidewalks shall be placed in accordance with NYSDOT Section 608-3.01.
(3) 
Asphalt concrete sidewalks. Two-inch asphalt concrete sidewalks shall be placed and compacted in accordance with NYSDOT Section 608-3.02.
I. 
Guiderailing. Guiderails shall be installed on all sections of road with embankments greater than six feet high which have side slopes steeper than four horizontal to one vertical and along sections of road adjacent to bodies of water which are greater than two feet deep. They shall be installed in accordance with NYSDOT Section 606.
J. 
Traffic control devices.
(1) 
Construction of traffic control devices shall be in accordance with applicable NYSDOT Sections 645, 646 and 680.
(2) 
Street signs shall be placed at all street intersections.
(3) 
Regulatory signs, warning signs and signals shall be placed in accordance with the NYSDOT Manual of Uniform Traffic Control Devices (MUTCD).
(4) 
Delineators, placed in accordance with NYSDOT MUTCD, may be required as directed by the Town Engineer.
(5) 
Snowplow markers shall be placed at guiderails and culverts and where directed by the Town Engineer.
K. 
Monuments.
(1) 
Street monuments shall be placed:
(a) 
At all corners.
(b) 
Along tangents at intervals not exceeding 500 feet.
(c) 
At the beginning and end points of curves.
(2) 
Monumentation and horizontal control for the project shall be tied to the New York State Plane Coordinate System.
L. 
Streets, trees and plantings.
(1) 
Trees shall be planted three feet outside of the right-of-way at a spacing of not more than 100 feet on center on each side of proposed streets or as required by the Planning Board.
(2) 
Planting shall be in accordance with NYSDOT Section 611.
M. 
Turf establishment.
(1) 
Turf shall be established in all unpaved areas of the right-of-way.
(2) 
Topsoil. Topsoil shall be prepared and placed in accordance with NYSDOT Section 613. Topsoil thickness shall be four inches.
(3) 
The area shall be limed, fertilized, mulched and seeded in accordance with NYSDOT Section 610.
N. 
Utilities.
(1) 
Gas, electric, telephone, television cable and other utilities shall be constructed in accordance with the requirements of the utility having jurisdiction.
(2) 
All utilities shall be placed in a right-of-way or easement.
(3) 
Nonmetallic wiring tape shall be installed 12 inches above all utilities.
(4) 
The locations of all utilities shall be recorded on the record drawings.
(5) 
Letters of approval for all utilities shall be obtained from the utility having jurisdiction prior to the paving of roadways or acceptance of the road by the town.
O. 
Driveways. Proposed driveways shall comply with the Driveway Opening Ordinance Town of Schodack,[1] except as follows:
(1) 
Proposed driveway grades shall not exceed ten-percent slope, to facilitate access by emergency vehicles.
(2) 
Proposed driveway grades shall not exceed three-percent slope within the first 50 feet from the existing edge of the pavement.
[1]
Editor's Note: See Ch. 112, Driveways.