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Dear ~-". Tay!or,
july 27, 1970
.~h~nk y~’, r~r yc"--~ letter ^f ~-’~ ""~’"
............. ~j enclcslr.~ a
copy of tze Chief Constable’s_~e~ter cared !oth v~_.j~"~’" in
connection ’~!th the Or.stund Caoaclzy of ~ _
Stadi~.
! understand the words "scientific calculation~ ~.~ere
used by your goodself in the origin.-_! terms of reference
to us but in t]:e absence of a_~.-~ :~no’~n for~Jla we have
dealt wlth t~.is zat~er by empirical means.
We a~sembled a small crowd of people in our drawin~
office to represen~ a sample of a c.~wd str.ndln~ ror~sonablu
c!ose to,eta:or. ’.Te then establlsnea a coefficient ~f 1.34
llne.~l fee’- oer. ~.o.- ~..~n on e::ch stem. ~f ~errace
being allocated the ~ull depsn of zhe terrace whatever its
dlmenslon.
We then referred to our detailed surveys of the terrace
end ~e a!so measured on site t.~e ~’~u.::~n USable lenct~ of the
terrace ste~s, z~klnC due al!o:~ance for ~.~nn~ays, p.-:ss~e~ays,
_.rways, e~c. and ~he length of each sect!on was aivided
by the coefllc!ent to esD~bllsh the capacity.
We re-ard the fore].in% as an inter!m approach to the
problem, until such ~ as ~he ~_~.-~-~- ~"’ ~--~ could be chec!-ed
by t~ue use of cro~.d count!rig devices.
Yours sl~cerely,
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