B08 - W9123826BA010 A12 - Plan Sheet G-108 Revision - 20260814.pdf

PDF 633 KB Posted Sep 9, 2026

Attached to: USACE SPK DBB Construction - Natomas Reach I Contract 2 - Sacramento, CA
Solicitation number: W9123826BA010
Issued by: Department of the Army Corps of Engineers Engineering District Sacramento

About this file

Written by GovTribe AI · Sep 10, 2026

This is a Borrow Plan drawing (Sheet G-108) for a federal construction contract related to the American River Common Features Project in the Natomas Basin, Sacramento, California. The plan details excavation and earthwork operations for Reach I, Contract 2, covering stations 0+00 to 115+00 (Volume 2 of 3).

The document specifies excavation requirements at the Brookfield borrow site with a total area of 4.6 acres and estimated earthwork totaling 37,000 cubic yards of total excavation, 7,400 cubic yards of surface layer removal, and 29,600 cubic yards net excavation. Key contractual requirements include: conducting excavations in a progressive, contiguous manner beginning from the southern boundary and proceeding northerly; stripping a 1-foot surface layer prior to excavation and stockpiling it for replacement; submitting detailed borrow source excavation and haul road plans for contracting officer approval; installing culverts to maintain continuity of irrigation and drainage facilities; applying erosion control measures using rice straw and tackifier; and restoring affected areas and removing temporary ramps upon completion, with one temporary ramp permitted to remain. The plan indicates the site was previously excavated and shows proposed dewatering procedures conforming to federal, state, and local requirements, with temporary dewatering pipelines to be buried where crossing roadways. The solicitation number and contract number are identified as W91238-XX-XXXX, issued December 2025 by the U.S. Army Corps of Engineers, Sacramento District.

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Other files

File	Type	Posted
Abstract of Offers - W9123826BA010 - 20260917.pdf	PDF	Sep 17, 2026
B08 - W9123826BA010 A06 - City of Sacramento Pipe Valve Locations - 198009.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010 A09 - Natomas AECOM Draft Brookfield Borrow Investigation Report - 20230921.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010 A13 - Plan Sheet V-110 Revision - 20260831.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010 A14 - Specification Section 01 57 19 Revision - 20260901.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010 A11 - Plan Sheet G-003 Revision - 20260831.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010 A05 - ARCF Reach I Geotechnical Data Report - 20110730.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010 A07 - DoL CWRR CA20260007 - 20260903.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010 A15 - Section 00 10 00 - 26BA010 CLIN Schedule - 20260909.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010 A10 - Natomas Kleinfelder Brookfield Geotechnical Data Report - 20231019.pdf	PDF	Sep 9, 2026
B08 - W9123826BA010-A0001 - 20260909.pdf	PDF	Sep 9, 2026
Site Visit Agenda - 26BA010 RIC2 - 20260817.pdf	PDF	Aug 18, 2026
Site Visit Sign In Sheet - 26BA010 RIC2 - 20260817 redacted.pdf	PDF	Aug 18, 2026

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35008 36.15

4" CONC HEAD WALL TBC

35007 36.14

4" CONC HEAD WALL TBC

35006

36.12

4" C O

N C

H E

A D

W A

LL TB

35005 36.17

4" CONC HEAD WALL TBC

35004 37.08

TBC 35003

37.03

TBC

35002 37.01

TBC

35001 37.07

TBC

31188 37.02

TBC 31185

36.95

TBC

31184 36.98

TBC

31144 36.26

PUMP

31143 36.28

PUMP

31190 36.01

FUELTANK

31189 36.04

FUELTANK

31789 31.96

PUMP

C L

8" H

E A

D W

31545 34.56

HWT 10" WIDE

31699 32.35

HWT

31698 33.69

HWT

31697 33.72

HWT

31696 32.39

HWT

31546 34.78

HWT

18" CPP

IE=32.47

24" CPP

IE=32.54

36" STEEL

IE=33.33

36" SCREW GATE

18" CPP

IE=33.40

24" RCP

TPE=28.74

24" RCP

IE=28.78

18" CMP

IE=31.20

24" CPP W/GATE

IE=31.14

18" CPP W/GATE

IE=32.60

18" CPP

IE=25.36

18" CPP W/GATE

IE=25.94

18" CPP

IE=25.47

PIPE ALIGNMENT

UNABLE TO FIND PIPE OUTLET

24" CMP

IE=30.56

12" STEEL

TPE=32.02

18" CPP

IE=33.71

24" CPP

IE=32.49

36" STEEL

IE=33.46

18" CPP

TPE=33.53

18" CPP

IE=33.18

12" STEEL

IE=32.93

10" STEEL

TPE=37.29

18" CMP

VERTICAL VENT

12" STEEL PIPE

IE=33.15

OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW

PUMP

WOOD POLE

PUMP

WOOD POLE

OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW

18" CMP

IE=31.74

33.3 33.4

33.6

33.4

33.3 33.3

33.4 33.4

33.4

33.3 33.3 33.3 33.3

33.233.233.233.4

33.3 33.2 33.2 33.2 33.2

33.2

33.3

33.2

33.3 33.3

33.3

33.3 33.2

33.2

33.2 33.2

33.3

33.2 33.3

33.3

33.4

33.1 33.2 33.2 33.3 33.4 33.3 33.4

33.433.333.333.333.433.333.2

33.2 33.1 33.2 33.3 33.3 33.3 33.3

33.4 33.4

33.3

33.233.233.333.333.433.2

33.3 33.4 33.4 33.4 33.4 33.4 33.4 33.5

33.433.433.433.433.433.433.433.3

33.4 33.3 33.3 33.2

33.5

33.4

32.9 32.9 32.9 32.9 32.9 32.9 32.9

32.9 33.132.832.932.9

32.9 32.9 33.1 33.2 33.1

33.1

32.8

33.1

33.1 33.2 33.1 33.1

33.133.133.233.233.1 33.2

33.1 33.2

33.1

33.1 33.1

33.1

33.1 33.1

32.9 32.8

32.9

32.9 32.9 32.8

32.932.932.933.233.232.9

32.932.932.932.932.932.9

32.8 32.9 32.9 32.9 32.9

32.932.932.932.932.932.9

32.9 32.9 32.9 33.1 32.9 32.9 32.9

33.133.132.9

32.9 33.1 33.1 33.1 33.1 33.1

32.9 33.1 33.1 33.2 33.2

33.1

32.9

34.2 34.6 34.9 35.2 35.2

35.2 34.9

34.934.9 35.2

35.6

35.2 35.2

37.5

43.4

45.8

46.3

46.4

46.2

46.4

46.5

46.4

46.3

46.2

46.3

46.5

46.7

46.5

46.4

36.5

36.2

35.1

34.9

33.2

33.4

32.3

32.7

30.4

30.7

29.5

29.3

30.5

30.3

31.226.9

26.9 26.9

26.9 26.9 26.9

27.126.926.8

26.6 26.7

26.7 26.6

26.8

26.7

34.5 34.6

34.6 34.7

36.3

36.4

35.3 32.2

35.3

35.6

35.4

35.5

35.4

35.5

34.8 35.9

35.4

34.9

35.4 35.4

26.726.8

26.826.8

26.8

26.9 26.8

26.7

26.8

26.9

26.7

26.9

26.8 26.8

26.7

28.7

32.8

32.9

33.1

26.9

27.1

33.1

32.9

33.1

32.9

SCATTERED

BRUSH

SCATTERED

BRUSH

DENSE TREES

CULTIVATED AREA

ATTER

SCATTERED BRUSH

ATTER

SCATTERED BRUSH

BOLLARD

(TYPICAL)

6' HIGH CLF

FUEL TANK

38327 35.14

HWT..2.5IN

38328 35.17

HWT..2.5IN

38329 35.18

HWT..2.5IN

38330 35.14

HWT..2.5IN

EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP

EP EP

EP EP EP EP

EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP

EP EP EP EP EP

EP EP EP

EP EP EP EP EP EP EP EP

EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP

EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP EP

CHECK DAM

NATO

HOWSLEY ROAD

5 6

PROPERTY LINE, TYP

LEVEE

CENTERLINE

OHE

35 35

CANAL AND

LEVEE

IMPROVEMENTS

AS PART OF

THE REACH E

CONSTRUCTION

CONTRACT

(BY OTHERS)

NATO

AS RO

NATO

AS RO

HOWSLEY ROAD

25.6

SUGGESTED

STAGING AND

TEMPORARY

SURFACE LAYER

STOCKPILE

LOCATION

REACH H/I BORROW

CONSTRUCTION LIMIT

EXCAVATION GRADE

= 28.00

EXISTING CULVERT

TO REMAIN,

PROTECT IN PLACE

TOE OF

EXCAVATION

TOP OF EXCAVATION,

MATCH EXISTING

EG 32.8

N 2060712.19

E 6696192.60EG 33.0

N 2060697.96 E 6695664.75

EG 32.9

N 2061068.80 E 6695664.70

EG 33.2

N 2061068.42 E 6696192.68

EG 32.9

N 2061118.43 E 6696142.69

EG 32.9

N 2061118.55 E 6695714.48

STABILIZED CONSTRUCTION

ENTRANCE, IN ACCORDANCE

WITH CA DOT DETAIL TC-1

OR AS APPROVED BY THE

CONTRACTING OFFICER.

3(H):1(V), TYP

R50'

CONTOURS OF THE AREA

PREVIOUSLY EXCAVATED, TYP.

SEE NOTE 1

MATCH BOTTOM

OF PREVIOUSLY

EXCAVATED AREA

28.028.0

28.0 28 .0

28.028.0

28 28

28293031

MATCH BOTTOM

OF PREVIOUSLY

EXCAVATED AREA

H \C

R O

C H

O O

O R

R O

W \G

-1

B O

R R

O W

N .D

W G

/1 4/

_N C

S_ 4_

M O

N O

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

D B

C H

D B

D R

B Y:

C O

N O

N N

E D

C R

O N

SHEET ID

US Army Corps of Engineers

U .S

. A R

M Y

C O

O F

R S

H U

N T, IN

, S U

, C

R N

, C A

-X

E N

-0

-X

, C

R N

C O

M M

O N

R O

T N

H I

- C O

A 0+

M E

F 3)

D U

R . R

R R

O W

G-108

80' 160'0

PLAN

NORTH

SHEET NOTES:

1. A PORTION OF THE SITE WAS PREVIOUSLY EXCAVATED TO THE

APPROXIMATE EXTENTS SHOWN. THE CONTOURS FOR THE

PREVIOUSLY EXCAVATED AREA REFLECT THE EXCAVATED

GRADE, PRIOR TO REPLACEMENT OF APPROXIMATELY 1 FOOT

OF SURFACE LAYER RESPREAD. BORROW SITE EXCAVATION

FOR REACH I AND REACH H WILL CONTINUE THE EXCAVATED

AREA TO THE NORTH, AS SHOWN.

2. THE EXCAVATION ELEVATIONS SHOWN ARE THE SITE

ELEVATIONS BEFORE RE-SPREADING THE STRIPPED SURFACE

LAYER OF EARTHEN MATERIALS.

3. CONDUCT EXCAVATIONS IN A PROGRESSIVE AND CONTIGUOUS

MANNER BEGINNING FROM THE SOUTHERN BOUNDARY AND

PROCEEDING NORTHERLY SUCH THAT THE BORROW SITE IS

UNIFORMLY GRADED. IF ADDITIONAL MATERIAL IS REQUIRED,

BORROW SITE EXCAVATION LIMITS MAY BE EXTENDED DUE

NORTH, WITH PRIOR APPROVAL BY THE CONTRACTING OFFICER.

4. DEWATERING OF SITE SHALL BE IN CONFORMANCE WITH

FEDERAL, STATE, AND LOCAL REQUIREMENTS.

5. TEMPORARY DEWATERING PIPELINES THAT CROSS ROADWAYS

SHALL BE BURIED TO AVOID OBSTRUCTION OF ROADWAYS.

6. PRIOR TO EXCAVATION, THE CONTRACTOR SHALL STRIP

SURFACE LAYER TO A DEPTH OF 1.0 FOOT. SURFACE LAYER

SHALL BE STOCKPILED AND REPLACED IN ACCORDANCE WITH

SPECIFICATION 31 23 00.

7. CONTRACTOR SHALL SUBMIT A DETAILED BORROW SOURCE

EXCAVATION PLAN IN ACCORDANCE WITH SPECIFICATION

SECTION 31 23 00.

8. CONTRACTOR SHALL SUBMIT HAUL ROAD PLANS AND DESIGN

TO THE CONTRACTING OFFICE FOR APPROVAL.

9. UPON BORROW EXCAVATION COMPLETION, THE HAUL ROADS

ARE TO BE REMOVED AND THE AFFECTED AREAS RESTORED BY

CONTRACTOR.

10. A SINGLE TEMPORARY RAMP TO THE BOTTOM OF THE

EXCAVATION MAY BE LEFT IN PLACE. ALL OTHER TEMPORARY

RAMPS AND ROADS ARE TO BE REMOVED AND THE AFFECTED

AREAS RESTORED BY CONTRACTOR.

11. THE CONTRACTOR SHALL INSTALL CULVERTS AS NECESSARY

TO ENSURE CONTINUITY OF IRRIGATION AND DRAINAGE

FACILITIES ADJACENT TO HAUL ROAD.

12. APPLY EROSION CONTROL RICE STRAW AND TACKIFIER IN

ACCORDANCE WITH SPECIFICATION 31 23 00.

13. PROTECT IN PLACE ALL EXISTING UTILITIES.

GEOTECHNICAL INFORMATION:

HAND AUGER LOCATION.

REFER TO KLEINFELDER INVESTIGATION REPORT

TEST PIT LOCATION.

REFER TO AECOM INVESTIGATION REPORT

AREA

(ACRES)

4.6

TOTAL

EXCAVATION

(CUBIC YARDS)

37,000

SURFACE LAYER

REMOVAL

(CUBIC YARDS)

7,400

NET

(CUBIC YARDS)

29,600

ESTIMATED EARTHWORK SUMMARY

READY TO ADVERTISE

N O

G -1

O R

R O

W P

Sheets and Views

G-108

File details come from the government source that posted it. Updated Sep 10, 2026.