§ 17.36

The subdivider, his engineer and his contractor shall develop plans and complete all improvement work under this section in accordance with the provisions of this title and to the approval of the director of public works.

(Code 1987, § 17.36.010; Ord. No. 23-1974, § 29(a), 1974)

All improvements mentioned in this chapter shall conform to those required in the Standard Subdivision Improvement Specifications recommended by the director of public works and adopted by the town council, copies of which are on file in the office of the town clerk.

(Code 1987, § 17.36.020; Ord. No. 23-1974, § 29, 1974)

Improvement work shall not be commenced until plans and profiles for such work have been submitted to and approved by the town council. Such plans shall be required before approval of the final maps. All such plans and profiles shall be prepared in accordance with requirements of the director of public works. Duplicate tracings on drafting film shall be filed with the director of public works.

(Code 1987, § 17.36.030; Ord. No. 23-1974, § 29(c), 1974)

Improvement work shall not be commenced until the director of public works has been notified in advance, and if work has been discontinued for any reason, it shall not be recontinued until the director of public works has been notified.

(Code 1987, § 17.36.040; Ord. No. 23-1974, § 29(d), 1974)

All required improvements shall be constructed under the inspection of and to the approval of the director of public works. Cost of inspection shall be paid by the subdivider on an hourly basis, but not to exceed two percent of the cost of the improvement work.

(Code 1987, § 17.36.050; Ord. No. 23-1974, § 29(e), 1974)

(a)

All underground utilities, sanitary sewers and storm drains installed in streets, service roads, alleys or highways shall be constructed prior to the surfacing of such streets, service roads, alleys or highways. Service connections for all underground utilities and sanitary sewers shall be placed to such length as will obviate the necessity for disturbing the street or alley improvements when service connections thereto are made.

(b)

All utility distribution facilities (including, but not limited to, electric, communication and cable television lines) installed in and for the purpose of supplying service to any residential (or commercial) subdivision shall be placed underground, except as follows:

(1)

Equipment appurtenant to underground facilities, such as surface-mounted transformers, pedestalmounted terminal boxes and meter cabinets, and concealed ducts;

(2)

Metal poles supporting only high voltage wires, switches, transformers and streetlights.

(c)

The subdivider is responsible for complying with the requirements of this chapter and shall make the necessary arrangements with the utility companies involved for the installation of the facilities. The town council may waive the requirement of this chapter if topographical, soil or any other condition make underground installation of the facilities unreasonable or impractical.

(d)

Industrial subdivisions are excluded from the provisions of this chapter.

(Code 1987, § 17.36.060; Ord. No. 23-1974, § 29(f), 1974)

(a)

Upon the approval by the town council of the final map, the subdivider shall execute and file an agreement between himself and the town, specifying the period within which he or his agent or contractor shall complete all improvement work to the satisfaction of the director of public works, and providing that if he fails to complete such work within such period the town may complete the same and recover the full cost and expense thereof from the subdivider. The agreement shall also provide for inspection of all improvements by the director of public works on an hourly basis, but not exceed two percent of the cost of the improvement work and reimbursement of the town by the subdivider for the cost of such inspection. Such agreement may also provide:

(1)

For the construction of the improvements in units;

(2)

For an extension of time under conditions therein specified;

(3)

For the termination of the agreement upon the completion of proceedings under an assessment district for the construction of the improvements deemed by the director of public works to be at least the equivalent of the improvements specified in the agreement and required to be constructed by the subdivider; and

(4)

For progress payment.

(b)

The subdivider shall also file with the agreement, to ensure his full and faithful performance thereof, a bond for each sum as is by the director of public works deemed sufficient to cover the cost of improvements, engineering, inspection and incidental expenses and to cover replacement and repair of existing streets and other improvements damaged in the development of the subdivision. The bond shall be executed by a surety company authorized to transact a surety business in the state and must be satisfactory to and approved by the town attorney as to form and by the director of public works as to sufficiency. In lieu of such bond the subdivider may deposit with the town treasurer:

(1)

Cash money in an amount fixed as by the director of public works;

(2)

Certification by a bank or other reputable lending institution that money is being held to cover the costs of the improvements, engineering and inspection, and that it will be released only upon authorization of the director of public works, as in the case of a cash deposit; or

(3)

Bonds acceptable to the town council.

(c)

In the event the subdivider fails to complete all improvement work in accordance with the provisions of this title and the town completes the same, or if the subdivider fails to reimburse the town for the cost of inspection, engineering and incidental expenses, and to cover the cost of replacement and repair to existing streets and other improvements damaged in the development of the subdivision, the town shall call on the surety for reimbursement, or shall appropriate from any cash deposits funds for reimbursement. In any such case, if the amount of the surety bond or cash deposit exceeds the cost and expense incurred by the town, it shall release the remainder of the bond or cash deposit, and if the amount of the surety bond, cash deposit or certification is less than the cost and expense incurred by the town, the subdivider shall be liable to the town for such difference.

(Code 1987, § 17.36.070; Ord. No. 23-1974, § 29, 1974)

No extension of time progress payments from cash deposits, or releases of surety bond, cash deposits or certification shall be made, except upon certification of the director of public works that work covered thereby has been satisfactorily completed and upon approval of the town council.

(Code 1987, § 17.36.080; Ord. No. 23-1974, § 29(h), 1974)

The subdivider shall install improvements in accordance with the general requirements set forth in this title, provided that the director of public works may require changes in typical sections and details if unusual conditions arise during construction to warrant such change in the interests of the town; such changes are to be at the expense of the subdivider.

(Code 1987, § 17.36.090; Ord. No. 23-1974, § 29(i), 1974)

All streets and highways shall be graded and paved to cross-sections and grades approved by the director of public works. The subdivider shall improve the extension of all subdivision streets, highways or public ways to the intersecting paving line of any county road, town street or state highway. Minimum structural design shall be a double bituminous seal coating.

(Code 1987, § 17.36.100; Ord. No. 23-1974, § 29(j), 1974)

Structures shall be installed as deemed necessary by the director of public works for drainage, access or public safety. Such structures shall be placed to grades and shall be of a design approved by the director of public works.

(Code 1987, § 17.36.110; Ord. No. 23-1974, § 29(k), 1974)

There shall be no more than one driveway approach for each 50 feet of lot width at a property line adjacent to a public right-of-way for any lot intended to be developed for single-family or two-family use. A multiplefamily lot may have one driveway approach for each 15 living units, provided that such approaches do not exceed the standard town width and do not occupy more than 60 percent of the property line adjacent to a public right-of-way. In all cases, a multiple-family lot may have at least two standard width driveway approaches, provided the lot exceeds 60 feet in width.

(Code 1987, § 17.36.120; Ord. No. 23-1974, § 29(1), 1974)

Sanitary sewer facilities connecting with the existing town sewer system shall be installed to curbline to serve each lot and to grades, locations, design and sizes approved by the director of public works. No septic tanks or cesspools shall be permitted. No sewer main shall be less than six inches and with one manhole at each intersection and no more than 500 feet apart.

(Code 1987, § 17.36.130; Ord. No. 23-1974, § 29(m), 1974)

(a)

Pipeline. Stormwaters shall be carried in underground systems when the flow requires a 48-inch (inside diameter) or less pipeline. The system shall be designed on the basis of criteria for a ten-year storm, calculated on the basis of practice found to be suitable for a particular area, shall be totally carried in the underground system with the hydraulic gradient in curb inlets maintained at least one foot below the top of the curb.

(b)

Pipe size. The minimum size of pipe in the public right-of-way shall be 12 inches.

(c)

Velocity. All new storm drains shall be designed to maintain a minimum velocity of flow of two feet per second, when flowing one-quarter full.

(d)

Inlets. Curb inlets shall be installed at intersections and at intermediate points when the gutter flow for the "design storm" exceeds the top of the curb for a minimum grade and when the gutter flow is higher than three inches below the top of curb for 15 percent grades.

(e)

Manholes. A standard manhole shall be constructed at all pile intersections, changes in pipe size, abrupt change in horizontal and vertical alignment and at least every 460 feet for pipes between 12 inches and 30 inches in diameter, 750 feet maximum for pipes of 33 inches to 59 inches in diameter.

(Code 1987, § 17.36.140; Ord. No. 23-1974, § 29(n), 1974)

Water mains and fire hydrants shall be designed, laid out, located and installed as directed by the director of public works.

(Code 1987, § 17.36.150; Ord. No. 23-1974, § 29(o), 1974)

(a)

Permanent monuments shall be set at all angle and curve points on the exterior boundaries of the subdivision, in all street intersections, at all angle points of street lines and at all curve points, both simple and compound, of street lines. Monuments in street intersections and at angle and curve points in the street lines shall be set on street centerlines, unless otherwise directed by the building inspector; provided, however, that such permanent monuments need not be set at an angle and curve points on the exterior boundaries of the subdivision when such points are distant four hundred feet or less from another such permanent monument; such distance for 400 feet or less to be measured along the exterior boundary.

(b)

A permanent monument shall not be less substantial and enduring than a rich Portland cement concrete post at least six inches in diameter by 30 inches long with a noncorroding metal marker embedded in the top thereof bearing the exact marked point thereon and otherwise conforming to law. The permanent monument shall be set in ground, upright, with the metal marker two feet below the finished street grade, by excavating a hole and pouring the same full of concrete. When streets are required to be paved, the location of such monument and access thereto shall be given by a suitable concrete or cast-iron sliding sleeve surrounded by a circular cast-iron frame and lid and street surface. In case the monument is not on a street the metal marker shall be set not less than 12 inches below finished grade.

(c)

The engineer or surveyor shall also set at all corners and at all curve points on lot boundary lines a marker not less substantial and enduring than a steel pin five-eighths of an inch in diameter by 18 inches long with a noncorroding metal surface approximately one inch in diameter on the head thereof driven flush with the existing ground surface and marked at the exact point.

(d)

When lot corners are adjacent to existing concrete sidewalks or sidewalks to be constructed as part of the improvements, brass pins driven into the sidewalk on lot lines in a manner acceptable to the director of

public works may be installed in lieu of steel pins on the front corners.

(Code 1987, § 17.36.160; Ord. No. 23-1974, § 29(q), 1974)

(a)

Permanent elevation benchmarks of a type approved by the director of public works and referred to the town datum shall be set at each street intersection in the curb return or other location approved by the building inspector.

(b)

Any monument or benchmark required by this section that is disturbed or destroyed before acceptance of all improvements shall be replaced by the subdivider.

(c)

Monuments and benchmarks shall be set before acceptance of the improvements by the town council unless exception is recommended by the director of public works and approved by the town council.

(Code 1987, § 17.36.180; Ord. No. 23-1974, § 29(r), 1974)

A map showing all subdivision improvements as built shall be filed with the director of public works upon completion of the improvements, together with a final written report on all such improvements.

(Code 1987, § 17.36.190; Ord. No. 23-1974, § 29(s), 1974)

Complete field notes, in a form satisfactory to the director of public works showing references, ties, locations, elevations and other necessary data relating to monuments and benchmarks set in accordance with the requirements of this chapter, shall be submitted to the director of public works to be retained by the town as a permanent record.

(Code 1987, § 17.36.200; Ord. No. 23-1974, § 29(t), 1974)

CHAPTER 17.40. - UTILITIES