When the subdivision includes land in a Special Flood Hazard Area or
regulated floodway, the lots, streets, drainage and other improvements shall
be reasonably safe from flood damage and shall conform to the following:
A. Lots and improvements shall be consistent with the need
to minimize flood damage within the Special Flood Hazard Area and shall be
capable of use without damage from flooding or flood related damages.
B. Utilities: All utilities and facilities, such as sanitary
sewer systems, water supply systems and electric and gas systems, shall be
located and constructed to minimize or eliminate flood damage. Sanitary sewer
systems shall be designed to minimize or eliminate both infiltration of floodwaters
into such systems and discharges from such systems into floodwaters.
C. Written confirmation: The Commission shall require written
confirmation from the Health Officer and Building Official that utilities,
water, sanitary sewer systems, and electrical service are located or designed
so as to minimize or eliminate flood damage or infiltration.
D. Streets: No new street or any existing street being brought
up to existing Design Construction Standards shall be constructed below the
base flood elevation of a flood hazard area.
Pursuant to Section 8-25(b) of the Connecticut General Statutes, the
applicant shall demonstrate to the Commission that, in developing the subdivision
plan, consideration has been given to the use on each lot of passive solar
energy techniques that would not significantly increase the cost of use and
occupancy of the lot. Passive solar energy techniques mean subdivision plan
or site design techniques which maximize solar heat gain, minimize heat loss
and enable thermal storage within buildings on each lot during the heating
season and minimize heat gain and provide for natural ventilation during the
cooling season. The subdivision plan or site design techniques considered
shall include at least the following:
A. Encourage east-west street layout: The street and lot
layout plan shall, as far as practical, provide for east-west street orientations
to facilitate the development of properly oriented passive solar buildings.
An east-west street refers to any street with its axis within 30 degrees of
true east.
B. Provide for flexible lot layouts: Side lot lines shall
be perpendicular to the street line unless the purpose of the lot line orientation
is to provide greater solar access or gain.
C. Encourage solar orientation of proposed buildings: The
"footprint" of proposed principal buildings for each lot within a subdivision
should, wherever practical, be located and oriented so that the longest side
of the building is within 30 degrees of true east.
D. Consideration of energy impacts of other buildings, vegetation
and natural features: Proposed buildings should be located to avoid shadows
cast by other buildings, vegetation, or natural and manmade topographical
features wherever practical. Where possible, new plantings shall concentrate
evergreen trees and hedges on the north side of a structure.
Each lot shall be provided with adequate and safe means of sewage disposal
and water supply on a continuous, long term basis to meet the requirements
of uses permitted on the lot under the Zoning Regulations for the Town of
Old Saybrook, Connecticut.
A. Water supply: Where such service is available, each lot
shall be served by and provided with a curb connection to a central water
supply system. Such system and connection shall meet all the technical and
administrative requirements of the Director of Health of the Town of Old Saybrook,
and the State of Connecticut. The Commission may approve provision for on-site
water supply if it determines that a central water system is not available
or cannot reasonably be provided or extended by the applicant to serve the
lot.
(1) If a public water supply is to be used for the subdivision,
the applicant shall submit written evidence of agreement by the water company
to provide a safe and adequate public water supply.
(2) If private water supply wells for individual lots are
proposed, the applicant shall submit a written statement from the Town Director
of Health, or an official of the Town designated to act on behalf of the Health
Director, stating the adequacy of the lot to contain a well in compliance
with the Connecticut Public Health Code.
(3) A water study, prepared by a certified geohydrologist,
shall be submitted by the applicant for any subdivision containing 25 or more
lots in which private water supply wells are proposed. The water study shall
address the adequacy of groundwater supplies and the effect of the proposed
subdivision on surrounding wells.
B. Sewage disposal: Where such service is available, each
lot shall be served by and provided with a curb connection to a central sanitary
sewer system. Such system and connection shall meet all the technical and
administrative requirements of the Old Saybrook Water Pollution Control Authority,
the Director of Health of the Town of Old Saybrook, and the State of Connecticut.
The Commission may approve provision for an on-site subsurface sewage disposal
system if it determines that a central sanitary sewer system is not available
or cannot reasonably be provided or extended by the applicant to serve the
lot.
(1) If a public central sanitary sewer system is to be used
for the subdivision, the applicant shall submit written evidence of agreement
by the Water Pollution Control Authority to service the subdivision, including
a statement that adequate capacity is available within the system for the
proposed use.
(2) If private subsurface sewage disposal systems on individual lots are proposed, soils tests shall be required in accordance with Article
VI of these Regulations. Written evidence must be submitted that the subsurface sewage disposal system proposal is acceptable to the Old Saybrook Director of Health or his authorized agent.
C. Minimum acreage requirements for on-site water and/or
sewage disposal:
(1) On-site sewage disposal/central water system: each lot
shall have at least a minimum area of 20,000 square feet, exclusive of any
inland and tidal wetlands and watercourses, and shall be of such shape that
a square 100 feet on each side will fit on the lot.
(2) On-site sewage disposal/on-site individual wells: each
lot shall have at least a minimum area of 40,000 square feet, exclusive of
any inland and tidal wetlands and watercourses, and shall be of such shape
that a square with 150 feet on each side will fit on the lot.
Storm drainage shall be designed and constructed to provide for the
efficient drainage of the property and surrounding lands which normally drain
across the area of the proposed subdivision, including drainage from any streets
which may reasonably be expected to be constructed at some future date on
adjoining property. If in its judgement there will be no substantial danger
from soil erosion to the public health and safety, the Commission may permit
on lots of one acre or larger the discharge of storm water in open ditches,
swales, or detention basins except that such structure shall not be located
in that portion of the lot customarily used for front and side yards or which
might be used for on-site sewage disposal or water supply systems.
A. Discharge: The discharge of all water from the subdivision
shall be into suitable streams or rivers or into Town or state drains, ditches,
or other Town or state drainage facilities with adequate capacity to carry
the additional water. Where the discharge shall be into private property adjoining
the proposed subdivision, proper easement and discharge rights shall be secured
by the applicant prior to approval of the subdivision plan. Discharge shall
be done in a manner that protects streams and wetlands from pollution and
flooding due to increase in runoff. Where the developer is unable to obtain
the required easements, the subdivision shall be designed to retain any increase
runoff due to development on the site.
B. Channel lines: Channel and building lines shall be provided
along any major stream or river for the purpose of preventing encroachment
upon and constriction of the natural water channel by buildings, filling operations
or other facilities and construction. The width of the channel shall be based
on sound engineering calculations anticipating long range storms (100-year
frequency) and flow potentials and recognizing proper alignment and gradients
of the channel. A note, approved by the Town Counsel, shall be placed on the
subdivision plan explaining the channel and building lines and stating the
restrictions against encroachment upon the channel.
C. Additional requirements: Additional requirements for control of stormwater runoff are set forth in §
302-49.
In order to assure that any new development has an adequate supply of
water for fire-fighting purposes, the Commission may require that a firewell
or fire pond be constructed in connection with the subdivision development.
Prior to the submission of a subdivision application, the applicant shall
consult with the Fire Marshal to determine whether a new water supply for
fire-fighting purposes is required. If necessary, such water supply shall
be installed at the expense of the developer and the cost of such shall be
included in the bond. The design, location and construction of such water
supply shall be approved by the Commission.