Sorry for the testiness, and mostly not even warranted—on closer reading I 
realized that some people were giving space per couple, which I was reading as 
space per person. Several people are reporting in the neighborhood of 15 sqft 
per person. Still, I’d suggest that making note of actual dances in actual 
rooms that have actual sizes with actual humans dancing is a more useful metric 
than measuring imagined fingertip to fingertip, however nuanced those imagined 
finger positions are.

> On Aug 3, 2016, at 1:13 AM, Read Weaver via Callers 
> <[email protected]> wrote:
> 
> Does on one here dance in a room? (Maybe the question would better go to the 
> organizers’ list.) 28 sqft per person is ridiculous. Our dance hall is about 
> 30’x40’, or 1200 sqft. (There’s an adjoined space for socializing, which 
> you’ll want.) 40 people (30 sqft/person) feels disappointingly empty, 80 
> people feels pleasantly full but not crowded, 100 feels like quite a crowd, 
> 120 is tight but danceable. 80 would be 15 sqft/person, which matches Linda’s 
> recounting of 1.5 sq yds (13.5 sqft—not the same as 1.5 yards squared (20.25 
> sqft)) pretty well.
>  
> Read Weaver
> Jamaica Plain, MA
> http://lcfd.org <http://lcfd.org/>
>> On Aug 1, 2016, at 6:29 PM, David Harding via Callers 
>> <[email protected] <mailto:[email protected]>> 
>> wrote:
>> 
>> Rich,
>> 
>> Let's do a bottom up estimate driven by an exerise.  Stand comfortably, hold 
>> the hands of the opposite role dancers on either side of you (imaginary or 
>> real), and execute a long-lines-forward-and-back.  
>> The distance from your left hand to your right hand is the distance along 
>> the line that you and your partner occupy.  People of different sizes will 
>> have different comfort factors.  We've all been in lines that were too 
>> scrunched up and lines where we couldn't even reach the next person.  3-5 
>> feet per person feels acceptable to me, with about 4 feet being a good 
>> compromise.  Your foursome needs twice the space, of 8'.  That implies that 
>> 20 couples would do well with about an 80-foot line.  Of course, if you are 
>> doing any down-the-hall figures, you need some extra space.  Six steps at 2' 
>> per step is 12', but it's negotiable.  
>> How far did you travel on your forward voyage?  Again, everyone's mileage 
>> will differ, but I think that about 1 foot per step is suitable, so if you 
>> and your partner each take three steps, you would want 6 feet between you to 
>> start with.  That's consistent with taking four 1.5-foot steps to walk 
>> across in a chain or a right-and-left through.  Add an allowance for your 
>> depth and your       partner's depth, say 1.5' each, and we're up to 10' 
>> width per set.  The courtesy turn is most comfortably done if you have a 
>> little additional room, maybe another 1.5'-2' on each side.  Now we're up to 
>> 13'-14'.  
>> I would thus claim that each hands-four needs about 8'x14', or 112 sqft.  28 
>> sqft per person.  Having written the above, I look back at the other posts 
>> and am pleased to see that my number comes out pretty close to the others.  
>> Depending on the shape of the space, there may be some floor area that is 
>> not useful, since each set wants its 13'-14' width. 
>> David Harding
>> 
>> On 8/1/2016 8:01 AM, Rich Sbardella via Callers wrote:
>>> Friends,
>>> 
>>> I have been hire to call a wedding with 145 attendees and 15 known contra 
>>> dancers.  The bride and groom are insisting on modern contras.
>>> 
>>> I have never thought about floor space, what is the typical requirement for 
>>> a line of twenty couples?
>>> 
>>> Any very easy duple improper dances to recommend?  I plan on using "Family 
>>> Contra" and "Jefferson and Lincoln".
>>> 
>>> Thanls,
>>> Rich
>>> 
>>> 
>>> 
>>> 
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