ATTACHMENT A_PROJECT PLANS - UPDATED 2026-04-20 - Dredging - Take Offs.pdf

PDF 7 MB Posted Aug 24, 2026

Attached to: RFB - TIJUANA RIVER VALLEY SMUGGLER'S GULCH DREDGING
Solicitation number: BPM013118
Issued by: California

About this file

Written by GovTribe AI · Aug 25, 2026

SMUGGLER'S GULCH IMPROVEMENT PROJECT - DREDGING

This is a project plans and take-offs document prepared by the County of San Diego Department of Public Works for the Smuggler's Gulch Improvement Project, a dredging and channel maintenance initiative located in the Tijuana River Valley. The project involves sediment and vegetation removal from Smuggler's Gulch Channel and a pilot channel, with work occurring on County of San Diego property and City of San Diego property. The scope is divided into a Base Bid covering approximately 1,400 linear feet (LF) of County property, Add/Alternative 1 encompassing approximately 1,500 LF of County property, and Add/Alternative 2 covering approximately 1,600 LF of City property. The document identifies specific work areas including culvert clearing at Monument Road and Disney Crossing, with channel widths maintained at 33 feet to allow equipment access and cleaning operations. Slope grades are specified at maximum 2:1 ratios, and the project includes construction of stabilized entrances, staging areas, and stockpile locations for excavated materials.

The plans designate staging areas with specific dimensions, including a primary stockpile measuring 130 feet wide by 485 feet long by 11 feet high with plastic sheeting underlayment requirements. Environmental protections are integrated throughout, including silt fencing, fiber roll installation, and restrictions on vehicular entry into the channel except at designated 15-foot-width access points. The project is subject to in-channel enhancement mitigation requirements and incorporates best management practices (BMPs) coordinated with a project biologist. The document includes detailed pilot channel alignments with specific radii, lengths, and directional measurements, along with haul routes and construction entrance specifications. The plans reference related maintenance tables, channel sections on other sheets, and compliance with environmental sensitivity area (ESA) requirements, indicating this is part of a comprehensive bid package for sealed competitive bidding by qualified contractors.

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E107000 Line

E107000 Cloud+

E107000 Cloud+ Add Alt 2 - ~1,600 LF - CITY of SD PROPERTY

E107000 Cloud+

E107000 Cloud+ Approx. location of existing catch basin.

E107000 Cloud+

E107000 Cloud+ Base Bid = ~1,400 LF - COUNTY of SD PROPERTY

E107000 Cloud+

E107000 Cloud+ Add Alt 1 - ~1,500 LF - COUNTY of SD PROPERTY

CITY OF SD RESPONSIBILITY

E107000 Callout Culvert at Monument Rd. to be cleared out as part of Add Alt 2 Scope

E107000 Callout Culvert at Disney Crossing to be cleared out as part of Add Alt 2 Scope

E107000 Callout 10' after Disney Crossing culvert to be cleared out to bottom of channel as part of Add/Alt #1.

E107000 Callout 10' after Monument culvert to be cleared out to bottom of channel as part of Add/Alt #2.

E107000 Cloud+

E107000 Cloud+ Approx location of staging area

E107000 Callout 10' before Monument culvert to be cleared out to bottom of channel as part of Base Bid.

E107000 Callout 10' before Disney Crossing culvert to be cleared out to bottom of channel as part of Add/Alt #2.

BASIN 2

BASIN 1

APN: 663-010-38

CITY OF SAN DIEGO

APN: 663-010-13

MARTIN LINDA S 2017

TRUST

APN: 663-010-14

TYNAN RICHARD E LIVING TRUST,

TYNAN VIRGINIA D

APN: 663-010-52

COUNTY OF SAN DIEGO

APN: 663-010-54

COUNTY OF SAN DIEGO

APN: 663-010-55

COUNTY OF SAN DIEGO

APN: 663-010-29

TAURO LLC

MONUMENT RD

H O

S T

DATEBY

DESIGNED

CHECKED

PLANS

FOR REDUCED PLANS

ORIGINAL SCALE IS IN INCHES98765

SHEETS

SCALE: HOR.

OFSHEET

W.A. R.S.

VERT.

COORDINATE INDEX

CONST. COMPL.

FIELD REVISIONS

BY APPROVEDREVISIONS DATE

43210-1

UBL

I S

MOT

VI E

D C

GOO

D EI GO

C C IL

SAN

H E

DM C

N Y

IB TO U O F

COUNTY OF SAN DIEGO

DEPARTMENT OF PUBLIC WORKS

5500 OVERLAND AVENUE, SAN DIEGO, CA 92123-1295

S U

B M

A L

- N O

T F

O R

C O

N S

T R

U C

SMUGGLER'S GULCH

IMPROVEMENT PROJECT

SHEET INDEX MAP

SHEET INDEX LEGEND

E107000 Length Measurement 412'-8 1/4"

E107000 Length Measurement 1,025'-10"

E107000 Cloud+

E107000 Cloud+ Existing Basin

E107000 Cloud+

E107000 Cloud+ Base Bid ~1,400 LF COUNTY of SD PROPERTY

E107000 Cloud+

E107000 Cloud+ ADD/ALT 2 Partial View ~1,600 LF CITY of SD PROPERTY

E107000 Callout Culvert at Monument Rd. to be cleared out as part of Add/Alt 2 Scope

E107000 Cloud+

E107000 Cloud+ Preferred staging area - Location A

E107000 Cloud+

E107000 Cloud+ Back up staging area - Location B

WATER MAIN (TYP)

STABILIZED

CONSTRUCTION

ENTRANCE WITH

SHAKER PLATES

(20'W x 50'L)

O U

N D

C L

L6 L7

L9L10 L11

L12

L15 L16

L17

L18

L36L19 L20

L21

L22L23

L24

L25

C5 C6

C8 C9

C10 C11

C12

C13

C14 C15

C16

C17 C18

C19 C20

C21

C22 C23

C24

S=0.04%

1+002+00

3+00 4+00

5+00

6+00 7+00

8+00

9+00

10+00

11+00

12+00

13+00

14+00

15+00

16+00 17+00

18+00

19+00

L2 C1

L1 C2

: 1

+0 0.

: 3

+8 7.

: 4

+5 8.

: 5

+4 6.

: 5

+9 2.

: 6

+2 0.

: 6

+5 0.

: 7

+3 2.

: 8

+0 4.

: 1

3PC

: 1 3+

: 1

: 2

+1 7.

: 1

+7 1.

: 2

+6 1.

: 3

+0 8.4

: 4

+0 9.

: 5

+0 0.

: 5

+6 8.

: 6

+0 4.

: 6

+3 2.

: 6

+6 4.

: 7

+5 1.

: 8

+2 8.

: 1

2PT

: 1 3+

: 1

: 2

+4 0.

: 1

+8 7.

: 2

+9 0.7

PT: 3+32.62

L5 C4 L4

C3 L3

STABILIZED

CONSTRUCTION

ENTRANCE WITH

SHAKER PLATES

(20'W x 50'L)

Pilot Channel

Number

L10

C10

Radius

200.00

400.00

50.00

40.00

100.00

200.00

100.00

50.00

100.00

Length

71.12

16.25

30.13

23.45

20.09

29.70

17.76

24.13

55.32

21.19

48.98

41.88

46.34

22.30

23.79

12.20

16.29

11.50

18.15

14.05

Line/Chord Direction

N86° 49' 12.70"W

N89° 08' 51.41"W

S88° 31' 29.87"W

N89° 47' 42.75"W

N88° 06' 55.38"W

N71° 06' 03.01"W

N54° 05' 10.65"W

N71° 21' 58.72"W

N88° 38' 47.73"W

S85° 16' 59.64"W

S79° 12' 47.44"W

N88° 47' 17.08"W

N76° 47' 21.60"W

N79° 59' 00.74"W

N83° 10' 39.89"W

N86° 40' 24.22"W

S89° 49' 51.44"W

N83° 34' 57.05"W

N76° 59' 45.54"W

N81° 01' 19.89"W

Pilot Channel

Number

L11

C11

L12

C12

C13

L15

C14

L16

C15

L17

C16

L18

C17

L36

C18

L19

C19

L20

C20

L21

Radius

100.00

200.00

100.00

200.00

300.00

100.00

500.00

Length

68.37

18.84

52.68

24.46

14.77

50.52

22.52

29.88

36.39

176.05

27.76

30.39

17.51

23.17

22.45

12.11

13.21

41.99

32.30

34.65

Line/Chord Direction

N85° 02' 54.25"W

N79° 39' 00.10"W

N74° 15' 05.94"W

N77° 45' 16.83"W

N77° 01' 33.82"W

N72° 47' 39.92"W

N79° 14' 45.03"W

N85° 41' 50.13"W

N80° 29' 05.79"W

N75° 16' 21.45"W

N72° 37' 17.54"W

N69° 58' 13.63"W

N74° 59' 09.84"W

N80° 00' 06.04"W

N73° 34' 14.17"W

N67° 08' 22.31"W

N70° 55' 21.63"W

N74° 42' 20.96"W

N76° 33' 23.95"W

N78° 24' 26.95"W

Pilot Channel

Number

C21

L22

C22

L23

C23

L24

C24

L25

C25

Radius

100.00

50.00

300.00

374.30

Length

9.77

11.25

13.80

16.07

13.28

60.82

66.96

175.44

175.48

Line/Chord Direction

N81° 12' 21.34"W

N84° 00' 15.73"W

N80° 03' 01.20"W

N76° 05' 46.67"W

N83° 42' 21.91"W

S88° 21' 16.88"W

N85° 15' 05.39"W

N78° 51' 27.66"W

N65° 25' 35.77"W

LEGEND

PERMANENT TURNAROUND AREA

(30' X 25')

EXISTING ACCESS ROAD

HAUL ROUTES

ESA

STABALIZED CONSTRUCTION ENTRANCE

(TC-1)

EX WATER MAIN

EX STORM DRAIN

EX SEWER MAIN

SILT FENCE (SE-1)

FIBER ROLL (SE-5)

STAGING AREA LIMITS

MAJOR CONTOUR

MINOR CONTOUR

PARCEL

MHPA

CHANNEL MAINTENANCE CENTERLINE

LIMITS OF CHANNEL MAINTENANCE

SEDIMENT AND VEGETATION REMOVAL

2015-2018. SEE MAINTENANCE TABLE PAGE 1

VEGETATION REMOVAL ONLY 2015-2018

SEE MAINTENANCE TABLE PAGE 1

C H

SMUGGLERS GULCH CHANNEL

PILOT CHANNEL ALIGNMENT

NOTES:

1. ENTIRE CHANNEL MAINTENANCE AREA SUBJECT TO IN-CHANNEL

ENHANCEMENT MITIGATION REQUIREMENTS.

2. SEE SHEET 8 FOR CHANNEL SECTION.

3. THE SLOPE PERCENTAGE REPORTED HERE REPRESENTS AN

APPROXIMATION OF THE PRE-MAINTENANCE SLOPE IN THE CHANNEL,

BUT MAY VARY BETWEEN DIFFERENT MAINTENANCE YEARS.

PARCEL LINE (TYP)

AUTHORIZED MAINTENANCE AREA

E107000 Cloud+

E107000 Cloud+ Add Alt #1 ~1,500 LF (partial view) COUNTY of SD PROPERTY

CITY OF SD RESPONSIBILITY

E107000 Polylength Measurement 563'-8 1/4"

C E

O N

U C

C E

H S

(2 0'

W x

/E Q

' W X

' L X

BP: 1+00.00

PC: 2+62.22

PC: 7+09.97

PC: 8+10.67

PC: 9+53.98

PC: 10+02.05

PC: 11+08.91

PC: 13+13.83

PC: 16+90.18

PT: 2+72.51

PT: 7+20.69

PT: 8+22.16

PT: 9+77.85

PT: 10+07.46

PT: 12+07.63

PT: 13+53.57

PT: 17+18.10

L2 L3

L4 L5

L7 L8

C E

O N

U C

C E

H S

(2 0'

W x

/E Q

' W X

' L X

G G

S G

N um be r

L1 C

L2 C 2 L3 C 3 L4 C 4 L5 C 5 L6 C 6 L7 C 7 L8 C 8 L9 C

R ad iu s

00 -

Le ng th

Li ne

/C ho rd D ire ct io n

N 2°

N 1°

N 0°

N 1°

N 0°

N 3°

N 2°

N 4°

N 6°

N 2°

N 1°

N 0°

N 2°

G G

S G

N um be r

C 10 L1

C 12 L1

C 14 L1

C 15 L1

C 18 L1

C 20 L1

R ad iu s

00 -

83 -

11 -

02 -

Le ng th

Li ne

/C ho rd D ire ct io n

N 0°

N 1°

N 2°

N 0°

N 1°

N 0°

N 5°

° 4 4'

° 1 3'

° 2 0'

° 2 9'

° 5 9'

° 3 7'

° 1 3'

° 1 0'

MATCHLINE - SEE SHEET 6

N O

R C

O N

U C

N B

M P

N O

S, S

, S

C O

O L/

C O

, T

H C

O N

B M

P R

G /T

R T

L O

C C

U R

N G

T H

E C

T O

B E

C O

O R

H P

R O

T H

O V

R E

D A

O C

U N

B Y

G O

R L

O F

C S

G S

O N

T O

P O

O C

E W

A F

O R

G R

R C

C E

O F

H O

R G

B Y

C E

P R

O N

B M

Ps (F

R O

S, G R

S, S

C E, E

R Y

U N

D S

A R

R C

D O

N S

A R

Y U

O F

C R

S H

. N O

C H

O S

G R

G S

' T

O A

W C

O F

G C

(1 5'

) F

O R

E Q

T O

B E

C O

O R

H P

R O

T H

O N

O R

N G

C C

R O

D O

N T

H E

O F

C H

O U

N D

A R

0' X

G A

C C

R O

L R

O U

O N

U C

N E

E (T

C -1

M D

C E

(S E-

R R

(S E-

A R

O R

C O

U R

O R

C O

U R

M H

C H

E C

N E

O F

C H

D V

N R

-2

L O

E M

G G

S G

H C

C T

E (T

A R

MONUMENT ROAD

DISNEY CROSSING

MONUMENT ROAD

N O

E C

C E

S U

-C

T M

N R

R C

E R

D H

A N

O F

E-

C E

T H

E C

T M

C E

E107000 Callout Base Bid located below this line.

E107000 Cloud+

E107000 Cloud+ Add Alt #2

~1,500 LF

CITY of SD PROPERTY

E107000 Cloud+

E107000 Cloud+ Add Alt #1 ~ 1,500 LF (Partial View) COUNTY of SD PROPERTY

CITY OF SD RESPONSIBILITY

E107000 Length Measurement 60'-0"

E107000 Length Measurement 206'-9"

E107000 Polylength Measurement 1,501'-7 3/4"

E107000 Callout Monument Road Culvert location

E107000 Callout Disney Crossing Culvert Location

E107000 Line

S = 0.5

O N

E W

T C

±1 2.

.S .L

O N

U C

C E

H G

0' W x

0' L)

: 3

PC: 18+46.66

PC: 19+30.17

PC: 21+38.65

PC: 22+92.77

PC: 24+28.56

PC: 26+38.54

PC: 27+77.92

PC: 2

8+71.90

PT: 18+87.54

PT: 19+86.88

PT: 21+83.80

PT: 23+28.60

PT: 25+07.63

PT: 26+83.03

PT: 2

8+55.34

PT: 2

9+69.20

PRC: 24+52.45

PRC: 28+10.09

PRC: 28+28.35

PRC: 2

.22

O N

U C

C E

H G

0' W x

0' L)

G G

S G

N um be r

C 10 L1

C 12 L1

C 14 L1

C 15 L1

C 18 L1

C 20 L1

R ad iu s

00 -

83 -

11 -

02 -

Le ng th

Li ne

/C ho rd D ire ct io n

N 0°

N 2°

N 0°

N 1°

N 2°

N 0°

N 1°

N 0°

N 5°

° 4 4'

° 1 3'

° 2 0'

° 2 9'

° 5 9'

° 3 7'

° 1 3'

° 1 0'

MATCHLINE - SEE SHEET 5

N O

G /T

R T

L O

C C

U R

N G

T H

E C

T O

B E

C O

O R

H P

R O

T H

O V

R E

D A

O C

R C

L O

B E

A C

W O

R K

D A

A C

S R

O N

T H

G O

E C

C E.

O U

N D

A R

0' X

G A

C C

R O

L R

O U

O N

U C

N E

E (T

C -1

M D

C E

(S E-

R R

(S E-

A R

O R

C O

U R

O R

C O

U R

M H

C H

E C

N E

O F

C H

D V

N R

-2

L O

E M

G G

S G

H C

T C

G N

N O

E C

C E

S U

-C

T M

N R

R C

E R

D H

A N

O F

E-

C E

T H

E C

T M

C E

E107000 Cloud+

E107000 Cloud+ Add Alt #1 ~1,500 LF (Partial View) COUNTY of SD Property

E107000 Polylength Measurement 1,278'-5 1/2" cauyon Rectangle cauyon Text Box 8' - 10' cauyon Text Box

2:1 SLOPE

E107000 Dimension 10'

E107000 Highlight

E107000 Text Box Side slope for all channels are to be a maximum 2:1 slope.

E107000 Line

E107000 Dimension 10'

TJRV Dredging_FINAL Bid Book-v1 78

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File details come from the government source that posted it. Updated Aug 25, 2026.