§ 88-17. Final plat requirements.

Requirements for the final plat shall follow those of the preliminary layout (§ 88-16) with the following changes:

A. 

Deletions.

(1) 

Section 88-16E, Topographic contours.

B. 

Additions.

(1) 

Survey data

(a) 

Accurate traverse of subdivision boundaries with true angles and distances.

(b) 

Survey tie-in with true angle distances to three nearest established street monuments or official monuments.

(c) 

Municipal, town, county and special district boundaries referenced to the subdivision survey by true angles and distances.

(d) 

Radii, internal angles, points of curvature, tangent distances and lengths of all areas.

(e) 

Accurate dimensions to nearest hundredth of foot.

(2) 

Monuments.

(a) 

Accurate location of all monuments.

(b) 

Proposed new monuments or monuments to be reset shall be shown.

(c) 

One monument shall be located at each corner and at each general change in direction of the boundary.

(d) 

Two monuments shall be located at each street intersection.

(e) 

Monuments shall be located at the beginning and end of each curve along one side of the street right-of-way.

(3) 

Public improvement and utilities plan and profile. This plan and profile are declared to be an integral part of the final plat submission and shall be reviewed and approved by the Town Engineer. The performance bond and inspection shall be based on the public improvement and utilities plan and profiles, the final plat itself and the municipal specifications for such public improvements and utilities.

(a) 

Basic plan requirements.

[1] 

Sheet size shall be acceptable to the County Clerk's office, with a maximum size of 30 inches by 42 inches, and sufficient to convey all necessary information. Any proposal requiring a larger space shall be prepared on two or more sheets.

[Amended 2-12-1992 by L.L. No. 5-1992]

[2] 

Title block.

[a] 

Name of subdivision section.

[b] 

Scale.

[c] 

Date.

[3] 

The plan shall show the outline of all rights-of-way, easements and similar conditions.

[4] 

Street line gradients in percent indicated with arrows to establish direction of flow.

[5] 

Critical street center-line grade elevations.

(b) 

Drainage system requirements.

[1] 

Complete drainage system for the entire subdivision, with the appropriate development stages for each of the final plat sections, shall be shown graphically with all existing drainage features which are to be incorporated properly identified as existing.

[2] 

The boundaries and area in acres of stormwater runoff watersheds shall be shown for each drainage structure.

[3] 

All proposed drainage structures (e.g., valley gutters) shall be shown.

[4] 

Identify all drainage structures by county, town, village or city specification type numbers.

[5] 

The specific details and dimensions to necessitate an explanatory reason for proposed construction, including type of construction, material, size, pitch and invert elevations, among other things, in accordance with good engineering practice.

[6] 

Required location of test pits, borings and the description of soils condition and water table.

[7] 

The ability of receiving waters or drains to accept the additional anticipated flows, by use of notations and calculations.

(c) 

Utility systems requirements.

[1] 

Water supply distribution.

[a] 

Ownership of water supply.

[b] 

Location of source of supply on property; where piped in, size of the main supply.

[c] 

Location and size of all distribution mains.

[d] 

Location of fire hydrants and hydrant valves.

[e] 

Location of all control valves.

[2] 

Sanitary sewers.

[a] 

Location of treatment facilities or where discharged and size of receiving sewer.

[b] 

All sanitary manholes.

[c] 

Location, size and direction of flow for all sewers.

[d] 

Location of structures and any mechanical equipment.

[e] 

Detail sheets, manufacturer's specifications, installation instructions and parts list for all mechanical equipment.

(d) 

Profile drawing requirements.

[1] 

Drawings shall be made on standard profile paper with the following scales:

[a] 

Horizontal scale of one inch equals 50 feet.

[b] 

Vertical scale of one foot equals 10 feet.

[2] 

All profiles shall show the existing natural grades, the center lines of existing roads and a system of survey stations.

[3] 

The center-line profile of vertical curve notation as to gradient and critical elevations.

[4] 

The invert profile and location of all drainage structures in street rights-of-way and in drainage easements, top-of-structure elevations.

[5] 

The invert profile and location of all manholes for sanitary sewers in street rights-of-way and in sanitary sewer easements, top-of-structure elevations.

(4) 

Performance bond. See § 88-21.

(5) 

Offers of cession and protective covenants.

(a) 

Offers of cession by dedicating streets, rights-of-way and any sites for public uses, and agreements covering the improvements and maintenance of undedicated public places and the conditions and time limits, if any, applying to site reservations.

(b) 

Statement by the Town Attorney approving as to legal sufficiency all offers of cession and all covenants governing the maintenance of unceded public open space.

(c) 

Protective covenants in form for recording, including covenants governing the maintenance of unceded public spaces or reservations.

(6) 

Such other certificates, affidavits, endorsements or agreements as may be required by the Planning Board in enforcing these regulations.