ABSTRACT
Fi g.
11 .2
.3
m irr
or s
m irr
or s
m irr
or s
m irr
or sm irr
or s
m irr
or s
m irr
or s
m irr
or s
m irr
or s
m irr
or s
m irr
or s
m irr
or sm
irr or
s
m irr
or s
m irr
or s
m irr
or sm irr
or s
m irr
or s
m irr
or s
m irr
or s
m irr
or s
m irr
or sm irr
or s
m irr
or s
m irr
or s
m irr
or sm
irr or
s m
irr or
s m
irr or
sm irr
or sm
irr or
sm irr
or sm
irr or
s
(8)
SI TE
SQ UA
RE
Tr ip
od
et tin
gou
tw ith
er eq
ui pm
en t:
1 &
w th
ro ug
h e
do
w n)
in st
ru m
en t"
'" m
u s tb
d s ig
ht in
g o
n to
b y
th ro
ug h
o th
er te
D ea
d by
rig ht
if th
e\
in st
ru m
en t
tr ue
. \
in st
ru m
en tf
or s
1 o
u t3
a s
tr ai
gh tl
e in
st ru
m en
A
e In
st ru
m en
tu p
o v e
g B
an d
n to
pe
g' D
'
c
o n
in st
ru m
en t
d o
r e
ith
s ho
w ev
er m
u s tb
o r
e in
st ru
m en
n o
w
B
'F 'd
s ig
ht in
g o
'A 'a
if th
e rig
ht
n o
ith p
e rr
o r
e in
st ru
m en
hi ch
u tb
n o
e e
rr o
in st
ru m
en t
SI TE
P LA
N -
SC AL
E 1
:25 00
P
r c
N
0 E
& w
hi te
g rid
ye llo
w )
30 0
N
00 m
0 N
= T
N
= R
6 L
es (n
or th
in gs
g o
u t
ith th
g rid
rid m
u s tf
s u
pe rim
po se
d o
n dr
aw in
g w
hi ch
a jo
g o
u tp
by th
o ft
rid o
r by
s fr
om o
o r
'A ' to
th e
fir st
r o
in fi
gu re
3, 3A
to C
,
Fi g.
