Atch 8 9-3-2020 Boring Log.pdf

Hole 8

Project: Sand Pond Project Number: Client: Tahoe NF Boring No. Hole 8

Address, City, State Drilling Contractor: Drill Rig Type:

Force Account Hand Auger

Logged By: J. Berry/

D at e

Started: Bit Type: Diameter: Dark Brown moist organics Dark Brown Saturated Organics Tan fine sandy silt with boulders- No DCP- Boulders present on surface and difficult augering Final depth 12"

9/3/2020 1.5" Drill Crew: Completed: Hammer Type:

9/3/2020 Humbolt DCP USA Ticket Number: Backfilled: Hammer Weight: Hammer Drop:

15 lb 20" Groundwater Depth: Elevation: 97 Total Depth of Boring:

9 ft (from uphill side) 12 ft

D ep th fe et

S am p le

T yp e

S am p le

N u m b er

G ra p h ic L o g

Lithology

D ry

D en si ty p cf

A d d it io n al T es t

0-.5 3.833 Organics

0.5-1 5 White, Light fine saturated sand (liquifiable)

1-1.5 5.167 White, Light fine saturated sand (liquifiable)

1.5-2 1.667 White, Light fine saturated sand (liquifiable)

2-2.5 1.333 Dark Brown Organics

2.5-3.0 1.167 Dark Brown Organics

3.0-3.5 1.667

3.5-4.0 2.833

4.0+4.5 2.667

4.5-5.0 2.667

5.0+5.5 6.667 Foundation needs to be at least this deep

Civil Engineering Boring Log: Sheet __of ___ Standard Penetration Slit Spoon Sampler (SPT)

California Sampler Stabilized Ground water

Shelby Tube Groundwater At time of Drilling

CPP Sampler Bulk/ Bag Sample

45 0 B lo w

C o u n ts

(b lo w s/

6"

M o is tu re C o n te n t

Soil Group Name: modifier, color, moisture, density/consistency, grain size, other descriptors

Rock Description: modifier, color, hardness/degree of concentration, bedding and joint characteristics, solutions, void conditions.

Greenish Gray loose sand with silt (more coarse sand than other holes)

Greenish Gray loose sand with silt (more coarse sand than other holes)Greenish Gray loose sand with silt (more coarse sand than other holes)Greenish Gray loose sand with silt (more coarse sand than other holes)

Hole 7

Project: Sand Pond Project Number: Client: Tahoe NF Boring No. Hole 7

Address, City, State Drilling Contractor: Drill Rig Type:

Force Account Hand Auger

Logged By: J. Berry/

D at e

Started: Bit Type: Diameter: Dark Brown moist organics Dark Brown Saturated Organics Tan fine sandy silt with boulders- No DCP- Boulders present on surface and difficult augering Final depth 12"

9/3/2020 1.5" Drill Crew: Completed: Hammer Type:

9/3/2020 Humbolt DCP USA Ticket Number: Backfilled: Hammer Weight: Hammer Drop:

15 lb 20" Groundwater Depth: Elevation: 97 Total Depth of Boring:

9 ft (from uphill side) 12 ft

D ep th fe et

S am p le

T yp e

S am p le

N u m b er

G ra p h ic L o g

Lithology

D ry

D en si ty p cf

A d d it io n al T es t

0-.5 1.833 Light Tan fine sand

0.5-1 5 Light Tan fine sand

1-1.5 4 Organics

1.5-2 5.667 Dark Brown Moist Silt

2-2.5 Rock

2.5-3.0

Civil Engineering Boring Log: Sheet __of ___ Standard Penetration Slit Spoon Sampler (SPT)

California Sampler Stabilized Ground water

Shelby Tube Groundwater At time of Drilling

CPP Sampler Bulk/ Bag Sample

45 0 B lo w

C o u w s/

6"

M o is tu re C o n te n t

Soil Group Name: modifier, color, moisture, density/consistency, grain size, other descriptors

Rock Description: modifier, color, hardness/degree of concentration, bedding and joint characteristics, solutions, void conditions.

Hole 6

Project: Sand Pond Project Number: Client: Tahoe NF Boring No. Hole 6

Address, City, State Drilling Contractor: Drill Rig Type:

Force Account Hand Auger

Logged By: J. Berry/

D at e

Started: Bit Type: Diameter: Dark Brown moist organics Dark Brown Saturated Organics Tan fine sandy silt with boulders- No DCP- Boulders present on surface and difficult augering Final depth 12"

9/3/2020 1.5" Drill Crew: Completed: Hammer Type:

9/3/2020 Humbolt DCP USA Ticket Number: Backfilled: Hammer Weight: Hammer Drop:

15 lb 20" Groundwater Depth: Elevation: 97 Total Depth of Boring:

9 ft (from uphill side) 12 ft

D ep th fe et

S am p le

T yp e

S am p le

N u m b er

G ra p h ic L o g

Lithology

D ry

D en si ty p cf

A d d it io n al T es t

0-.5 1.833 Organics

0.5-1 3.167 Very Light tan, low unit weight fine sand with 5% organics

1-1.5 2.833 Very Light tan, low unit weight fine sand with 5% organics

1.5-2 2.833 Dark Brown Moist Organics- Dark Tan Silt at 21" - 24"

2-2.5 3

2.5-3.0 5.5

5.5

7.333

5 SPT at bottom of Augured hole - Use

Civil Engineering Boring Log: Sheet __of ___ Standard Penetration Slit Spoon Sampler (SPT)

California Sampler Stabilized Ground water

Shelby Tube Groundwater At time of Drilling

CPP Sampler Bulk/ Bag Sample

45 0 B lo w

C o u w s/

6"

M o is tu re C o n te n t

Soil Group Name: modifier, color, moisture, density/consistency, grain size, other descriptors

Rock Description: modifier, color, hardness/degree of concentration, bedding and joint characteristics, solutions, void conditions.

Moist Greenish gray Silt - Similar to hole 3 Glacial Outwash

Moist Greenish gray Silt - Similar to hole 3 Glacial Outwash

Hole 5

Project: Sand Pond Project Number: Client: Tahoe NF Boring No. Hole 5

Address, City, State Drilling Contractor: Drill Rig Type:

Force Account Hand Auger

Logged By: J. Berry/

D at e

Started: Bit Type: Diameter: Dark Brown moist organics Dark Brown Saturated Organics Tan fine sandy silt with boulders- No DCP- Boulders present on surface and difficult augering Final depth 12"

9/3/2020 1.5" Drill Crew: Completed: Hammer Type:

9/3/2020 Humbolt DCP USA Ticket Number: Backfilled: Hammer Weight: Hammer Drop:

15 lb 20" Groundwater Depth: Elevation: 97 Total Depth of Boring:

9 ft (from uphill side) 12 ft

D ep th fe et

S am p le

T yp e

S am p le

N u m b er

G ra p h ic L o g

Lithology

D ry

D en si ty p cf

A d d it io n al T es t

0-.5 0-2" Organics -2"-6" Tan, uniform very fine moist sand

0.5-1 Light tan, silty sand with traces of clay

1-1.5 Dark Brown Moist Organics

1.5-2 Dark Brown Moist silt with organics

2-2.5

2.5-3.0

Civil Engineering Boring Log: Sheet __of ___ Standard Penetration Slit Spoon Sampler (SPT)

California Sampler Stabilized Ground water

Shelby Tube Groundwater At time of Drilling

CPP Sampler Bulk/ Bag Sample

45 0 B lo w

C o u w s/

6"

M o is tu re C o n te n t

Soil Group Name: modifier, color, moisture, density/consistency, grain size, other descriptors

Rock Description: modifier, color, hardness/degree of concentration, bedding and joint characteristics, solutions, void conditions.

Moist Greenish gray Silt - Similar to hole 3 Glacial Outwash

Moist Greenish gray Silt - Similar to hole 3 Glacial Outwash

Hole 4

Project: Sand Pond Project Number: Client: Tahoe NF Boring No. Hole 4

Address, City, State Drilling Contractor: Drill Rig Type:

Force Account Hand Auger

Logged By: J. Berry/

D at e

Started: Bit Type: Diameter: Dark Brown moist organics Dark Brown Saturated Organics Tan fine sandy silt with boulders- No DCP- Boulders present on surface and difficult augering Final depth 12"

9/3/2020 1.5" Drill Crew: Completed: Hammer Type:

9/3/2020 Humbolt DCP USA Ticket Number: Backfilled: Hammer Weight: Hammer Drop:

15 lb 20" Groundwater Depth: Elevation: 97 Total Depth of Boring:

9 ft (from uphill side) 12 ft

D ep th fe et

S am p le

T yp e

S am p le

N u m b er

G ra p h ic L o g

Lithology

D ry

D en si ty p cf

A d d it io n al T es t

0-.5 2.333 Very Light tan, low unit weight fine sand with 5% organics

0.5-1 3.333 Very Light tan, low unit weight fine sand with 5% organics

1-1.5 3.167 Very Light tan, low unit weight fine sand with 5% organics

1.5-2 2 Dark Brown Organics

2-2.5 2.333 Dark Brown Sandy Silt

2.5-3 4.333 Moist Blue green Silt - Similar to hole 3 Glacial Outwash

3-3.5 6.5 Moist Blue green Silt - Similar to hole 3 Glacial Outwash

3.5-4 7.333 Moist Blue green Silt - Similar to hole 3 Glacial Outwash

4-4.5 6 Moist Blue green Silt - Similar to hole 3 Glacial Outwash

4.5-5 10 Moist Blue green Silt - Similar to hole 3 Glacial Outwash

Civil Engineering Boring Log: Sheet __of ___ Standard Penetration Slit Spoon Sampler (SPT)

California Sampler Stabilized Ground water

Shelby Tube Groundwater At time of Drilling

CPP Sampler Bulk/ Bag Sample

45 0 B lo w

C o u w s/

6"

M o is tu re C o n te n t

Soil Group Name: modifier, color, moisture, density/consistency, grain size, other descriptors

Rock Description: modifier, color, hardness/degree of concentration, bedding and joint characteristics, solutions, void conditions.

Hole 3

Project: Sand Pond Project Number: Client: Tahoe NF Boring No. Hole 3

Address, City, State Drilling Contractor: Drill Rig Type:

Force Account Hand Auger

Logged By: J. Berry/

D a te

Started: Bit Type: Diameter:

9/3/2020 1.5" Drill Crew: Completed: Hammer Type:

9/3/2020 Humbolt DCP USA Ticket Number: Backfilled: Hammer Weight: Hammer Drop:

15 lb 20" Groundwater Depth: Elevation: 97 Total Depth of Boring:

9 ft (from uphill side) 12 ft

D e p th fe e t)

S a m p le T y p e

S a m p le N u m b e r

G ra p h ic L o g

Lithology

D ry

D e n s it y p c f)

A d d it io n a l

T e s t

0-.5 0 Moist Dark Brown Organics

0.5-1 1.333 Very Moist Dark Brown Organics

1-1.5 1.167 Reddish Tan Moist Silt

1.5-2 6.667 Satruated Bluish Tan Silt - Glacial Outwash

2-2.5 8.333 Satruated Bluish Tan Silt - Glacial Outwash

2.5-3 Satruated Bluish Tan Silt - Glacial Outwash

3-3.5 6.667 Bottom of Hole - Blow count obtainded at bottom of hole

Civil Engineering Boring Log: Sheet __of ___ Standard Penetration Slit Spoon Sampler (SPT)

California Sampler Stabilized Ground water

Shelby Tube Groundwater At time of Drilling

45 0 B lo w

C o u w s

/6

M o is tu re C o n te n t

Soil Group Name: modifier, color, moisture, density/consistency, grain size, other descriptors

Rock Description: modifier, color, hardness/degree of concentration, bedding and joint characteristics, solutions, void conditions.

Hole 3

CPP Sampler Bulk/ Bag Sample

Hole 2

Project: Sand Pond Project Number: Client: Tahoe NF Boring No. Hole 2 Normalize to Hammer 6

Address, City, State Drilling Contractor: Drill Rig Type:

Force Account Hand Auger

Logged By: J. Berry/

D a te

Started: Bit Type: Diameter:

9/3/2020 1.5" Drill Crew: Completed: Hammer Type:

9/3/2020 Humbolt DCP USA Ticket Number: Backfilled: Hammer Weight: Hammer Drop:

15 lb 20" Groundwater Depth: Elevation: 97 Total Depth of Boring:

9 ft (from uphill side) 12 ft

D e p th fe e t)

S a m p le T y p e

S a m p le N u m b e r

G ra p h ic L o g

Lithology

D ry

D e n s it y p c f)

A d d it io n a l

T e s t

0-.5

0.5-1

45 0 B lo w

C o u w s

/1

M o is tu re C o n te n t

Soil Group Name: modifier, color, moisture, density/consistency, grain size, other descriptors

Rock Description: modifier, color, hardness/degree of concentration, bedding and joint characteristics, solutions, void conditions.

Tan fine sandy silt with boulders- No DCP- Boulders present on surface and difficult augering Final depth 12"

Hole 2

Civil Engineering Boring Log: Sheet __of ___ Standard Penetration Slit Spoon Sampler (SPT)

California Sampler Stabilized Ground water

Shelby Tube Groundwater At time of Drilling

CPP Sampler Bulk/ Bag Sample

Hole 1

Project: Sand Pond Project Number: Client: Tahoe NF Boring No. Hole 1

Address, City, State Drilling Contractor: Drill Rig Type:

Force Account Hand Auger

Logged By: J. Berry/

D at e

Started: Bit Type: Diameter:

9/3/2020 1.5" Drill Crew: Completed: Hammer Type:

9/3/2020 Humbolt DCP USA Ticket Number: Backfilled: Hammer Weight: Hammer Drop:

15 lb 20" Groundwater Depth: Elevation: Total Depth of Boring:

12 ft

D ep th fe et

S am p le

T yp e

S am p le

N u m b er

G ra p h ic L o g

Lithology

D ry

D en si ty p cf

A d d it io n al T es t

0-.5 2.167

0.5-1.0 7.667

1.0-1.5

1.5-2.0

2.0-2.3

Civil Engineering Boring Log: Sheet __of ___ Standard Penetration Slit Spoon Sampler (SPT)

California Sampler Stabilized Ground water

Shelby Tube Groundwater At time of Drilling

45 0 B lo w

C o u w s

/6

M o is tu re C o n te n t

Soil Group Name: modifier, color, moisture, density/consistency, grain size, other descriptors

Rock Description: modifier, color, hardness/degree of concentration, bedding and joint characteristics, solutions, void conditions.

Tan fine sandy silt with boulders- Likely hit boulder with DCP Final

Hole Depth 2.3'

Hole 1

CPP Sampler Bulk/ Bag Sample