Attachment 4 Lofton Fishing Pier Boring Report.pdf
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- Solicitation number
- 1240BH24Q0007
About this file
The attached documents include boring logs and a federal contract opportunity solicitation for the Lofton Reservoir Fishing Pier Construction Project. The boring logs provide subsurface geotechnical data from drill borings taken at the project site, indicating dense to very dense silty sand with cobbles and gravels was encountered to depths of 9 to 11 feet below ground surface. The related federal contract opportunity solicitation seeks quotes for construction of the Lofton Reservoir Fishing Pier, with a response due date of 4 April 2024. The solicitation is issued by the USDA Forest Service Pacific Northwest Region for building a new fishing pier at Lofton Reservoir.
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Text version
SM Loose to M. Dense SILTY SAND, SM, with trace to some subrounded F-C gravels, Brown, Moist to Wet, trace organics, low to non plastic
SM M. Dense to Dense SILTY SAND, SM, with some cobbles to fine gravels, Brown, Wet, non plastic
SM Dense to V. Dense SILTY SAND, SM, with some cobbles to fine gravels, Brown, Wet, non plastic
4-3-4 780 80
1-1-3 450 100
4-6-10 1680 100
20-23-11 34100 100
20-16-12 28100 100
9-3-8 1180 100
12-16-18 34100 100
16-19-23 42100 100
11-34-46 8060 100
G W
T n ot e nc ou nt er ed
SREO Geo Group
S u pe rL og C iv il
T ec h S of tw ar e, U S
A w w .c iv il te ch
.c om
F il e:
C
U se rs
\c h ri st op h er m ar ti n \B ox \0
1.
c h ri st op h er
.m .m ar ti n W or ks pa ce
\D ri ll L og s\
L of to n
.lo g
D at e:
0/
/2
Lofton Fishing Pier Fremont-Winema NF Bly Ranger District
Driler: C.Martin
Lat./Long. 42.26336, -120.81964
Date Completed 26 SEPT 2022
Boring No. DH-1
Elev.: SWL:
Drilling Method: 6" HSA
Logged By: C. Martin
Drilling Equipment: FS Truck Mounted Big Beaver
Site Map
S am pl e
N o.
S am pl e
T yp e
R ec ov er y
R Q
D
B lo w C ou nt pe r in ch es
B lo w s/
F oo t ( N
D ep th ft B
G S
G ra ph ic
L og
Materials Description
M oi st ur e
Remarks
PLATE
W at er T ab le
SM Dense to V. Dense SILTY SAND, SM, with some cobbles to fine gravels, Brown, Wet, non plastic
End of Boring at (feet BGS): 21
47-23-18 41100 100
21-66-32 9880 100
24-32-40 72100 100
25-24-22 46100 100
39-36-45 81100 100
SREO Geo Group
S u pe rL og C iv il
T ec h S of tw ar e, U w .c iv il te ch e:
C
U se rs
\c h ri st op h er m ar ti n \B ox \0
1.
c h ri st op h er
.m .m ar ti n W or ks pa ce
\D ri ll L og s\
L of to n e:
0/
/2
Lofton Fishing Pier Fremont-Winema NF Bly Ranger District
Driler: C.Martin
Lat./Long. 42.26336, -120.81964
Date Completed 26 SEPT 2022
Boring No. DH-1
Elev.: SWL:
Drilling Method: 6" HSA
Logged By: C. Martin
Drilling Equipment: FS Truck Mounted Big Beaver
Site Map
S am pl e
N o.
S am pl e
T yp e
R ec ov er y
R Q
D
B lo w C ou nt pe r in ch es
B lo w s/
F oo t ( N
D ep th ft B
G S
G ra ph ic
L og
Materials Description
M oi st ur e
Remarks
PLATE
W at er T ab le
SM Boulders with infilling of loose matrix of Silty Sand, trace organics, low plastic
SM Dense SILTY SAND, SM, with some cobbles to fine gravels, Brown, Wet, non-plastic
End of Boring at (feet BGS): 9
1-20-3 2350 80 Surface boulders present at pile locations
5-4-5 980 100
40-30-12 42100 100 *SPT values derived from correlation to Drive Probe
21-20-15 3550 100
22-15-16 3160 100
18-23-25 4840 100
50/4" 50/4 Refusal @ 9 ft bgs
G W
T n ot e nc ou nt er ed
SREO Geo Group
S u pe rL og C iv il
T ec h S of tw ar e, U w .c iv il te ch e:
C
U se rs
\c h ri st op h er m ar ti n \B ox \0
1.
c h ri st op h er
.m .m ar ti n W or ks pa ce
\D ri ll L og s\
L of to n e:
0/
/2
Lofton Fishing Pier Fremont-Winema NF Bly Ranger District
Driler: C.Martin
Lat./Long. 42.26336, -120.81964
Date Completed 26 SEPT 2022
Boring No. DP-1
Elev.: SWL:
Drilling Method: Drive Probe
Logged By: C. Martin
Drilling Equipment: Drive Probe
Site Map
S am pl e
N o.
S am pl e
T yp e
R ec ov er y
R Q
D
B lo w C ou nt pe r in ch es
B lo w s/
F oo t ( N
D ep th ft B
G S
G ra ph ic
L og
Materials Description
M oi st ur e
Remarks
PLATE
W at er T ab le
SM Boulders with infilling of loose matrix of Silty Sand, trace organics, low plastic
SM Loose SILTY SAND, SM, with some fine to coarse gravels, Brown, Wet, non-plastic
SM M. Dense to Dense SILTY SAND, SM, with some cobbles to fine gravels, Briwn, Wet, non-plastic
End of Boring at (feet BGS): 11
4-1-0 10 Surface boulders present at pile locations
1-0-0 10
1-2-1 350 100 *SPT values derived from correlation to Drive Probe
2-3-4 750 100
4-4-5 970 100
10-12-14 2680 100
18-19-23 4280 100
50/3" 50/30 Refusal @ 11 ft bgs
G W
T n ot e nc ou nt er ed
SREO Geo Group
S u pe rL og C iv il
T ec h S of tw ar e, U w .c iv il te ch e:
C
U se rs
\c h ri st op h er m ar ti n \B ox \0
1.
c h ri st op h er
.m .m ar ti n W or ks pa ce
\D ri ll L og s\
L of to n e:
0/
/2
Lofton Fishing Pier Fremont-Winema NF Bly Ranger District
Driler: C.Martin
Lat./Long. 42.26336, -120.81964
Date Completed 26 SEPT 2022
Boring No. DP-2
Elev.: SWL:
Drilling Method: Drive Probe
Logged By: C. Martin
Drilling Equipment: Drive Probe
Site Map
S am pl e
N o.
S am pl e
T yp e
R ec ov er y
R Q
D
B lo w C ou nt pe r in ch es
B lo w s/
F oo t ( N
D ep th ft B
G S
G ra ph ic
L og
Materials Description
M oi st ur e
Remarks
PLATE
W at er T ab le
| Lofton_BoringLogs |
| DP-1 |
| DP-2 |
File details come from the government source that posted it. Updated .