I am writing a comment about proposals to require parking in certain
kinds of new buildings.  I would like to know how much space must be
allowed in toto to support each parking space.  That is, how big must
the parking space itself be?  How much entry/exit/ramp space in the
building/roadway space must be allowed per parking space?  Are there
any other spatial ramifications on a per-parking-space basis?

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Request for Question Clarification by redhoss-ga on 01 May 2005 15:33 PDT

What state/county/city.

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Clarification of Question by writer340-ga on 02 May 2005 05:25 PDT

I would be interested in code requirements in New York City.  However,
the requirements for each space are only part of the story I am
interested in.

In fact, each parking space also demands a certain turning space so
that the car can get into the parking space.  It also implies a
demand, I think, for a certain amount of roadway.  I think that these
are physical constraints that are not reflected in the local codes.

All the best,

MCG

If you're already in NYC it might take you half an hour each to take
some measurements of some real-life car parks.  And you'll have a
reason to believe the results.

Hello writer340-ga,

This is a much tougher question than you would expect. Here are some
starting points to help you understand the problem. Good luck.

~ czh ~


http://www.nyc.gov/portal/index.jsp?front_door=true
http://www.nyc.gov/html/dcp/home.html
Department of City Planning

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http://tenant.net/Other_Laws/zoning/zonch03.html
NYC Zoning Handbook:
Residence Districts
Chapter 3 

Required parking: 
50 percent of 78 dwelling units or 39 spaces 

The 39 parking spaces will require 15,600 square 
feet (400 square feet of space per vehicle).** This 
space will be provided by excavating most of the 
site and placing the cars in the cellar of the 
building and below a portion of the rear yard. 
** Estimated gross floor area of a self-park space in a cellar garage. 

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http://www.bedfordny.com/town/code/zoning10.htm

(This reproduction of the Bedford Town Zoning Ordinance is not an
official publication of the Town of Bedford and may contain
typographical errors. It is provided for information purposes only by
bedfordny.com)

ARTICLE X 
Off-Street Parking and Loading Facilities
§ 125-103. Dimensions and configuration of parking facility.

A. Each parking space shall be at least nine and one-half (91/2) feet
wide and twenty (20) feet long if unenclosed and at least ten (10)
feet wide and twenty (20) feet long if bordered by walls or columns on
two (2) or more sides. Where parking spaces are defined by curbs
providing space for overhang of vehicles, such spaces may be reduced
in depth to eighteen (18) feet.

--------------------------------------------

http://www.carlwalker.com/home.htm
http://www.carlwalker.com/A1Parking.htm
Carl Walker -- Parking Consultants