2013-10-04_GENERAL DOCUMENTS - M1999120

• Permit No: M1999120
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 10/4/2013
• Doc Name: Cause of Damage
• From: Ross Bachofer and Gancer Lujan & Assoc
• To: DRMS
• Email Name: ECS
• Media Type: D
• Archive: No

GANSIOM IA TJAN ht ASSO(J.iTVN*
Hydrogeological and Environmental Consultants
flood his property. These flows would correspond to peak flows of approximately 10,000
cfs at the Fort Lupton station if the station existed at the time.
35,000
I
30,000
25,000 !}
C 20,000 -
fi
15,000
10,000 -- - --
u
v 5,000
t
0
c°h
rn
Figure 3
Peak Flows at Henderson
South Platte River
The L.G. Everist pit was lined in April 2004, and as of August 2004, the Bachofer property
started flooding and has continued to flood with flows of 6,440 cfs at the Fort Lupton gauge.
Figure 4
Slurry wall constructed
E
around pits
t
1
"
Prior to slurry wall Property floods
no flooding occurs '" with flows over
Henderson
7,000
with flows over 7,000 cts post
Flow
--
1,000 cfs. slurry wall
6,000
- - --
°,—°°-Slurry Walt
y = 0 9042x - 70.194
Fort Lupton vs
0 5,000
R' ° 07367
Henderson
M 4,000
o
0
Date
O
N
N
N
Q)
tD f(
O
The L.G. Everist pit was lined in April 2004, and as of August 2004, the Bachofer property
started flooding and has continued to flood with flows of 6,440 cfs at the Fort Lupton gauge.
Figure 4
5
Fort Lupton versus Henderson
E
Peak Flows 2003 -2012
9,000
8,000
7,000
--
6,000
- - --
y = 0 9042x - 70.194
Fort Lupton vs
0 5,000
R' ° 07367
Henderson
M 4,000
Linear (Fort
o
p3,000
__ __ __ _ ____ ___ . _
Lupton vs
Henderson)
2,000
1,000
0
0
2,000 4,000 6,000 8,000 10,000
Discharge (cfs)
5