23068_Sir Walter Gun Club OAR_19920310

PA,51AGON
ENVIRONMENTAL
GRC?UP
INC, -.
F IR{NG RANG i II N
E GLEAN tJ pl S 4
$arch . 14, 1992: • .: .
Mr. Richard Cobb : , 7i2.
President D
Sir Walter 'Giro Club �
P. 0. Box 10263
R. h :C..27665
ales N
g
RE: REMOVAL OF LEAD CONTAMINANTS FROM THE SOIL ON THE SILVER
PLANTATIONS, BITE OF THE ABANDONED, SHOOTING RANGE FORMERLY
UTILIZED BY SIR WALTER GUN CLUB, INC.
Dear Richard;
As discussed the scope 'of work performed .for Sir Walter Gun Club
.consisted of the following:.
:°Location The Silver;Piantation is in.Wake.County, North Carolina,
' 'cit limits of
West 'of the
ales hand e
. cit limit of R Y
of the
.east ...Y g
Knightdale,.contdguous to'and accessed from us highway'..b4.
PISTOL & RIFLE.BERMS - Ail:*fo.liage was trimmed prior._to�using
Paragon's mobile :soil screening plant. Paragom:performed triple `.
screening on the. entire., face" of the backstop of%.thespistol berm,
tihich measures 100'.'1ong by 10'..high, the soil -Was screened too -a
level -of 8" deep, ata minimtim on the entire backstop face, and 'a
depth of V. along the entire center face of .the backstop at ` the .
o
shooting zone level (or 6 Narth and South top to .bottom as-yu�
.face the berm/backstop.
The screening" plant has a 2 -deck .vibrating . screeh that is mouhted
on a 60 degree angle: Material was excavated using a'.backhae.
d ith grizzly
Material is dro ed onto the.ho er, which. it equipped W g y
pP .I?p
e Iimbs enterin the
bars to rotectr.om lar a rock.- or tr .e g
A g.
system.The material is'then carried by conveyor. up. the. machine
where it drops onto the;top deck of the Vibrating' screen. :A shoot
is attached to the top screen that allows -'a pathway for :course
material to move:and accumulate. The square mesh on .the top screen
is 2" .by 21 1; 'Therefore, .any material greater that -.2" will pass
through the top screen down,onto.t2ie bottom screen that. measures
/4" from opposite corners of, the inside mesh. -Material-greater
than 114" will:'xoll off o.f the bottom screen deck and accumulate, .in
a ..second pile closer to the machine..