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<p>Rich,</p>
<p>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. <br>
</p>
<p>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. <br>
</p>
<p>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'. <br>
</p>
<p>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. <br>
</p>
<p>David Harding<br>
</p>
<br>
<div class="moz-cite-prefix">On 8/1/2016 8:01 AM, Rich Sbardella via
Callers wrote:<br>
</div>
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cite="mid:CAE4Buj+TdOd+XRNQxT-dWfToLx5Q1jeoyv88-ryXT88mJjsUFA@mail.gmail.com"
type="cite">
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<div>Friends,</div>
<div><br>
</div>
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.
<div><br>
<div>I have never thought about floor space, what is the
typical requirement for a line of twenty couples?<br>
<div><br>
</div>
<div>Any very easy duple improper dances to recommend? I
plan on using "Family Contra" and "Jefferson and Lincoln".</div>
</div>
</div>
<div><br>
</div>
<div>Thanls,</div>
<div>Rich</div>
<div><br>
</div>
<div><br>
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