Bid Plans.pdf

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

STAGING/STOCKPILE AREA

EXISTING FENCE

XX

EXISTING TREES TO REMAIN

TRAIL CLOSURE BARRIER

1. CONTRACTOR SHALL PROVIDE ALL BARRIERS AND SIGNS, TO BE APPROVED BY THE CITY, TO

CLOSE OFF PUBLIC ACCESS TO EACH SITE DURING CONSTRUCTION. THE EXACT LOCATION

OF SITE CLOSURE SHALL BE COORDINATED WITH THE CITY PRIOR TO BEGINNING

CONSTRUCTION.

2. IF THE CONTRACTOR PLANS TO CLOSE TRAFFIC LANES FOR ANY PERIOD OF TIME, OR

DISRUPT THE FLOW OF TRAFFIC, THE CONTRACTOR SHALL SUBMIT A TRAFFIC CONTROL

PLAN TO THE CITY ENGINEER FOR APPROVAL PRIOR TO BEGINNING WORK. THE PLAN SHALL

BE SIGNED BY A LICENSED CIVIL OR TRAFFIC ENGINEER WHEN IT INVOLVES AN ARTERIAL

STREET. CONTRACTOR SHALL PROVIDE ALL NECESSARY TRAFFIC CONTROL IN ACCORDANCE

WITH THE LATEST EDITION OF THE "CALIFORNIA MANUAL ON UNIFORM TRAFFIC CONTROL

DEVICES". A MINIMUM OF OF ONE TRAFFIC LANE (10' MIN) SHALL BE OPEN TO VEHICULAR

TRAFFIC DURING ALL HOURS, WEEKENDS, AND HOLIDAYS. STREET DETOURS SHALL ONLY

TAKE PLACE UPON CITY APPROVAL.

3. ALL TRAFFIC CONTROL DEVICES SHALL BE FABRICATED AND INSTALLED IN ACCORDANCE

WITH PART 6 AND PART 9 OF THE LATEST EDITION OF THE "CALIFORNIA MANUAL ON UNIFORM

TRAFFIC CONTROL DEVICES".

4. ALL CONES USED FOR LANE CLOSURE AFTER NIGHTFALL SHALL BE FITTED WITH

RETROREFLECTIVE BANDS (OR SLEEVES).

5. ALL ADVANCED WARNING SIGN INSTALLATIONS SHALL BE EQUIPPED WITH FLAGS FOR

DAYTIME CLOSURES. FLASHING BEACONS SHALL BE PLACED AT THE LOCATIONS INDICATED

FOR NIGHTTIME CLOSURES.

6. PERMANENT SIGNS OR EXISTING PAVEMENT MARKINGS THAT CONFLICT WITH THE TRAFFIC

CONTROL PLAN SHALL BE COVERED, OBLITERATED OR REMOVED AS DIRECTED BY THE

ENGINEER, AND RESTORED TO THEIR ORIGINAL CONDITION UPON COMPLETION OF THE

WORK.

7. DURING ALL CONSTRUCTION PERIODS, THE CONTRACTOR SHALL HAVE AT THE JOBSITE ALL

NECESSARY TRAFFIC CONTROL DEVICES (APPROPRIATE SIGN, LIGHTED ARROW DISPLAY,

CHANNELIZING DEVICES, ETC.) NEEDED TO IMPLEMENT THE APPROVED TRAFFIC CONTROL

PLAN

8. CONSTRUCTION SHALL BE SEQUENCED TO PROVIDE THE LEAST POSSIBLE ADVERSE EFFECT

TO RESIDENCES AND BUSINESS.

9. CONSTRUCTION MATERIALS SHALL BE KEPT OFF SIDEWALKS AND CONSOLIDATED IN AREAS

WITHIN THE CITY RIGHT-OF-WAY UNLESS OTHERWISE APPROVED BY THE CITY.

10.CONTRACTOR SHALL COORDINATE DETOUR ROUTES (IF NECESSARY) WITH THE CITY.

SHEET NO. WHERE DETAIL OR SECTION IS DRAWN

A

PROPERTY LINE

EXISTING GRADE

GEOTEXTILE FABRIC

AND SIGN

PROPOSED FENCEXX

EXISTING CONTOUR545 PROPOSED GRADE

LEGEND

EXISTING STORM DRAIN

NEW ROCK RIP RAP

T-2

AND LEGEND

1. NO CHANGE TO THE PROJECT IMPROVEMENT PLANS SHALL BE PERMITTED WITHOUT PRIOR APPROVAL BY THE CITY. CONTRACTOR AGREES TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE CONSTRUCTION OF THIS PROJECT, INCLUDING SAFETY OF ALL PERSONS AND PROPERTY; THAT THIS REQUIREMENT SHALL APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS; AND THAT THE CONTRACTOR SHALL DEFEND, INDEMNIFY AND HOLD THE CITY AND ENGINEER HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK ON THIS PROJECT, EXCEPT TO THE EXTENT ARISING FROM THE NEGLIGENCE OF

THE CITY OR ENGINEER.

2. CONTRACTOR SHALL PROVIDE ALL LIGHTS, SIGNS, BARRICADES, FLAG MEN, CONES OR OTHER DEVICES NECESSARY TO PROVIDE FOR PUBLIC SAFETY IN ACCORDANCE WITH THE

SPECIFICATIONS. SEE ALSO TRAFFIC CONTROL NOTES.

3. CONTRACTOR SHALL REPLACE, AT HIS EXPENSE, ALL TREES, SHRUBS, LAWNS, FENCES, IRRIGATION SYSTEMS AND IMPROVEMENTS WHICH ARE TO REMAIN INTACT BUT HAVE BEEN REMOVED OR DAMAGED DURING CONSTRUCTION. CONTRACTOR SHALL NOT REMOVE OR DAMAGE IMPROVEMENTS LOCATED WITHIN CITY PROPERTY WITHOUT WRITTEN PERMISSION FROM THE CITY; OR FROM PRIVATE PROPERTY WITHOUT WRITTEN PERMISSION FROM THE PROPERTY OWNER.

4. TREES, SHRUBS, AND ROOTS OUTSIDE OF THE DEFINED EXCAVATION LIMITS SHALL NOT BE TRIMMED OR PRUNED WITHOUT THE APPROVAL OF THE CITY.

5. CLEARING AND GRUBBING SHALL BE PERFORMED WITHIN THE ENTIRE GRADING LIMITS AREA SHOWN ON THE PLANS. THE SITE SHALL BE STRIPPED AND CLEARED OF ALL VEGETATION, DEBRIS, AND ORGANIC-LADEN TOP SOIL. THE STRIPPED MATERIAL FROM LOP 14 SHALL BE REMOVED FROM THE SITE AND DISPOSED OF BY THE CONTRACTOR AT THE CONTRACTOR'S EXPENSE. VEGETATION AND DEBRIS FROM LOP 5 AND LOP 13 SHALL BE REMOVED FROM THE SITES AND DISPOSED OF BY THE CONTRACTOR'S EXPENSE. TOP SOIL FROM LOP 5 AND LOP 13 SHALL BE PLACED AND GRADED AT THE STOCKPILE LOCATIONS IDENTIFIED ON THE PLANS.

6. CONTRACTOR SHALL REMOVE AND DISPOSE OF ALL DEMOLITION DEBRIS AND EXCESS EXCAVATED MATERIAL TO A SUITABLE SITE. ALL TESTING REQUIRED FOR LEGAL DISPOSAL SHALL BE CONDUCTED BY THE CONTRACTOR AT THE CONTRACTOR'S EXPENSE. THE CONTRACTOR IS RESPONSIBLE TO DISPOSE OF ALL MATERIALS IN A PROPER AND LEGAL MANNER. IF THE MATERIAL IS TESTED AND FOUND TO BE HAZARDOUS, THE CONTRACTOR'S PRICE AND CONTRACT TIME SHALL BE ADJUSTED. MATERIAL TESTING PREVIOUSLY COMPLETED BY THE CITY IS PROVIDED AS AN APPENDIX TO THE SPECIFICATIONS. REFERENCE SPECIFICATION SECTION 31 30 00 -EARTHWORK.

7. ALL PERMANENT IMPROVEMENTS REMOVED OR DAMAGED BY THE CONTRACTOR, THAT ARE NOT SPECIFICALLY SHOWN TO BE REMOVED, SHALL BE RESTORED TO THEIR ORIGINAL LOCATION AND CONDITION BY THE CONTRACTOR USING NEW MATERIALS AS DIRECTED BY THE ENGINEER

8. OVERNIGHT PARKING OF CONSTRUCTION EQUIPMENT AND VEHICLES IS PERMITTED WITHIN STAGING AREAS INDICATED ON PLAN SHEETS. ALL EQUIPMENT SHALL BE SURROUNDED BY REFLECTIVE DELINEATORS AT ALL TIMES. SEDIMENT MAY BE TEMPORARILY STAGED NEAR THE CREEK OF CHANNEL MAINTENANCE SITE A MINIMUM DISTANCE OF 100-FEET FROM THE CREEK OR CHANNEL TO ALLOW AN APPROPRIATE DRYING TIME PRIOR TO TRANSPORT. STOCKPILING OF MATERIALS IS NOT PERMITTED AT STAGING LOCATIONS UNLESS IT IS CONTAINED WITH EROSION CONTROL BMPs. PARKING EQUIPMENT AND STORING MATERIALS IN OTHER LOCATIONS, INCLUDING WITHIN THE STREET RIGHT-OF-WAY SHALL NOT BE

PERMITTED, EXCEPT AT LOCATION(S) APPROVED BY THE CITY TRAFFIC ENGINEER.

9. THE USE OF TRACKED EQUIPMENT ON TRAILS AND ROADWAYS IS AT THE DISCRETION OF THE CONTRACTOR. THE CONTRACTOR SHALL REPAIR AND REPLACE ANY DAMAGE TO TRAILS AND ROADWAYS AT COMPLETION OF CONSTRUCTION. ANY SETTLEMENT, CRACKING, OR DAMAGE TO EXISTING TRAILS (DIRT, AC, CONCRETE, ETC.) DURING CONSTRUCTION SHALL BE REPAIRED BY THE CONTRACTOR. AC TRAIL REPAIR SHALL BE PERFORMED BY REPLACING THE FULL WIDTH OF THE AC TRAIL FOR THE LENGTH OF THE DAMAGED TRAIL SECTION.

TRAILS SHALL BE REPLACED AS DETAILED ON THE PLANS.

10.MUD AND CONSTRUCTION DEBRIS ON STREETS, SIDEWALKS OR BICYCLE PATHS SHALL BE CLEANED OFF IMMEDIATELY.

11. ALL WORK BELOW THE TOP OF BANK SHOWN ON PLANS SHALL BE COMPLETED BEFORE OCTOBER 15, 2024. ALL OTHER WORK SHALL BE COMPLETED BY OCTOBER 31, 2024.

12.CONTRACTOR SHALL PERFORM HIS CONSTRUCTION AND OPERATION IN A MANNER WHICH WILL NOT ALLOW HARMFUL POLLUTANTS TO ENTER THE CREEK. TO ENSURE COMPLIANCE, THE CONTRACTOR SHALL IMPLEMENT THE APPROPRIATE BEST MANAGEMENT PRACTICE (BMP) AS OUTLINED IN THE "CALIFORNIA STORMWATER BMP HANDBOOK" FOR CONSTRUCTION (www.cabmphandbooks.com) AND THE CITY OF LIVERMORE'S "STREAM MAINTENANCE PROGRAM MANUAL (SMP)". INCLUDING, BUT NOT LIMITED TO:

a. CREEK FLOW SHALL BE DIVERTED AROUND OR THROUGH EXCAVATION

ACTIVITIES PER SECTION NS-5, CLEAR WATER DIVERSION

b. STOCKPILED MATERIALS SHALL BE PROTECTED PER SECTION

WM-3, STOCKPILE MANAGEMENT

c. HANDLING OF ALL SHRUBS, TREES, AND MATERIALS TO BE

DISPOSED OF SHALL FOLLOW SECTION WM-5 SOLID WASTE

MANAGEMENT

d. STREAMBANK STABILIZATION AND SEDIMENT CONTROL SHALL

FOLLOW SECTION EC-12, STREAMBANK STABILIZATION

13. ALL BMP MATERIALS SHALL ADHERE TO THE REQUIREMENTS AND SPECIFICATIONS WITHIN THE CALIFORNIA STORMWATER BMP HANDBOOK.

14.UTILITIES HAVE NOT BEEN LOCATED AND ARE NOT SHOWN ON PLANS. IT IS THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE LOCATION OF ALL EXISTING UTILITIES WITH THE APPROPRIATE UTILITY AGENCIES PRIOR TO THE COMMENCEMENT OF CONSTRUCTION. CONTRACTOR SHALL NOTIFY ALL PUBLIC AND PRIVATE UTILITY OWNERS 48 HOURS PRIOR TO COMMENCEMENT OF WORK ADJACENT TO THE UTILITY. CONTACT UNDERGROUND SERVICE ALERT (USA) AT 1-800-227-2600.

15. THE LIVERMORE STREAM MAINTENANCE PROGRAM (SMP) MANUAL WILL BE PROVIDED TO THE CONTRACTOR. ADDITIONAL REGULATORY PERMITS WILL BE PROVIDED TO THE CONTRACTOR PRIOR TO COMMENCING WORK. THE CONTRACTOR SHALL ADHERE TO ALL REQUIREMENTS WITHIN THE SMP MANUAL AND REGULATORY PERMITS IN ADDITION TO THE

REQUIREMENTS HEREIN.

16.CONSTRUCTION SHALL BE SEQUENCED TO PROVIDE THE LEAST POSSIBLE EFFECT ON NATURAL RESOURCES.

NOTES, ABBREVIATIONS,

A

LEGEND

FLOW IN THE ARROYO LAS POSITAS WILL REQUIRE DEWATERING. WORK WITHIN THE ARROYO

MOCHO (LOP 14) MAY REQUIRE DEWATERING DEPENDING ON GROUNDWATER RECHARGE

RELSEASES INTO THE CHANNEL, REFERENCE SPECIFICATION SECTION 31 11 00. DEWATERING OF

THE CHANNEL SHALL BE IMPLEMENTED IN ACCORDANCE WITH CALIFORNIA STORM WATER

QUALITY ASSOCIATION (CASQA) NS-5: CLEAR WATER DIVERSION AND SMP BMP BR-4, IMPACT

AVOIDANCE AND MINIMIZATION DURING DEWATERING. CONTRACTOR SHALL SUBMIT A CLEAR

WATER DIVERSION/BYPASS PLAN TO CITY ENGINEER FOR REVIEW AND APPROVAL PRIOR TO

STARTING WORK. CONTRACTOR SHALL VISIT THE SITE PRIOR TO BIDDING TO ESTIMATE THE

FLOW DIVERSION AND BYPASS REQUIREMENTS. CONTRACTOR IS RESPONSIBLE FOR

MONITORING THE WEATHER, AND PROTECTING THE SITE FROM CHANNEL FLOWS AND

EROSION.

CLEAR WATER DIVERSION/CHANNEL BYPASS NOTES

TRAFFIC CONTROL NOTES

ALL COORDINATES PROVIDED ARE STATE PLANE COORDINATES BASED ON THE CALIFORNIA SYSTEM OF 1983, ZONE 3, EPOCH DATE 1 1998.50

THE CALCULATED BEARING OF NORTH 78°02'22" WEST TAKEN BETWEEN GPS CONTROL POINT "COLINAS A-445" AND GPS CONTROL POINT "GPS 95" AS SHOWN ON THAT CERTAIN RECORD OF SURVEY NO. 1827, FILED FOR RECORD ON APRIL 25, 2003, IN BOOK 28 OF RECORDS OF SURVEY AT PAGES 1 THROUGH 4, OFFICIAL RECORDS OF THE COUNTY OF ALAMEDA WAS TAKEN

AS THE BASIS OF BEARING FOR THIS SURVEY

BASIS OF COORDINATES (ANZA WAY - LOP 13)

BENCHMARK (ANZA WAY - LOP 13)

NATIONAL GEODETIC SURVEY DISK DESIGNATED "F 1259" BEING A 3" BRASS DISK ON TOP OF THE SOUTHWEST, 2' DIAMETER OLD CONCRETE FOOTING FOR A STEEL PG&E TRANSMISSION TOWER, 40' +/- SOUTH OF THE SOUTH EDGE OF PAVEMENT OF SOUTH FRONT ROAD 35' +/- NORTH OF A NEW TRANSMISSION LINE TOWER. THE DISK IS STAMPED "VERTICAL CONTROL MARK

F 1259 1974 THE DIRECTOR NATIONAL GEODETIC SURVEY"

ELEVATION 527.76 FEET, NAVD 1988 DATUM

REGRADE AREA & REMOVE SEDIMENT

EXISTING ROCK RIP RAP

REMOVE EXISTING TREE

EXISTING WATER MAINW

EXISTING SANITARY SEWERSS

COFFERDAM

ACCESS ROUTE

ABBREVIATIONS

(E) EXISTING

(N) NEW

AB AGGREGATE BASE

AC ASPHALTIC CONCRETE

APPROX APPROXIMATE

BMP BEST MANAGEMENT PRACTICES

CAMUTCD

CALIFORNIA MANUAL ON UNIFORM

TRAFFIC CONTROL DEVICES

CASQA

CALIFORNIA STORM WATER QUALITY

ASSOCIATION

CFS CUBIC FEET PER SECOND

CLSM

CONTROLLED-LOW-STRENGTH

MATERIAL

COMP COMPACTION

CY CUBIC YARD

EG EXISTING GRADE

ELEV ELEVATION

ESA ENVIRONMENTALLY SENSITIVE AREA

FEMA

FEDERAL EMERGENCY MANAGEMENT

AGENCY

GALV GALVANIZED

GPS GLOBAL POSITIONING SYSTEM

H, HOR. HORIZONTAL

INV INVERT

LF LINEAR FEET

MAX MAXIMUM

MIN MINIMUM

NTS NOT TO SCALE

OC ON CENTER

OHWM ORDINARY HIGH WATER MARK

PVC POLYVINYL CHLORIDE

SMP STREAM MAINTENANCE PERMIT

STA STATION

TYP TYPICAL

USA UNDERGROUND SERVICE ALERT

V, VER. VERTICAL

TOP OF BANK

TOE OF CHANNEL

CONSTRUCTION FENCE

BASIS OF BEARINGS (AIRWAY BOULEVARD - LOP 5)

NATIONAL GEODETIC SURVEY PERMANENT IDENTIFIER HS5109 DESIGNATED "GOLD CREEK"

ELEVATION 564.85 FEET, NAVD 1988 DATUM

ALL COORDINATES PROVIDED ARE STATE PLANE COORDINATES BASED ON THE CALIFORNIA

SYSTEM OF 1983, ZONE 3, EPOCH DATE 1 2010.00

THE BEARING OF NORTH 87°49'24" EAST TAKEN BETWEEN NGS PID HS5109 (GOLD CREEK)

AND NGS PID AA3816 (GREENVILLE) AS CALCULATED BETWEEN COORDINATED PUBLISHED

ON THE DATA SHEETS FOR SAID POINTS ON THE NGS WEBSITE WAS TAKEN AS THE BASIS

FOR ALL AIRWAY BOULEVARD BEARINGS.

BENCHMARK (AIRWAY BOULEVARD - LOP 5)

CONTROL POINT

LIMB (E) TREES AND WILLOWS

GENERAL NOTES

DETAIL OR SECTION DESIGNATION

ORDINARY HIGH WATER MARK

EXISTING ONSITE STOCKPILED MATERIAL

HOR. SCALE: 1" = 20'SECTION A VER. SCALE: 1" = 1'

C 4A

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

PROJECT LOCATION MAP

SCALE: 1" = 800'

PLAN

SHEET C4 - LOP 13 ARROYO

MOCHO TRAIL NEAR ANZA WAY

H O

LM

E

S S

T

SHEET C2 - LOP 14 ARROYO

MOCHO TRAIL NEAR CREEK ROAD

SHEET C6 - LOP 5 AIRWAY CULVERT

F

LO

R E

N C

E R

D

A R

R O

Y O

R D

E STANLEY BLVD

IS

A

B E

L A

V E

N U

E

EL CAMINITO

FIRST ST

COLLEGE AVE

MOCHO ST

IS

A

B E

L A

V E

N U

E

M U

R R

IE

T

A B

LV

D

PORTOLA AVENUE

AIRWAY BLVD

US580

E JACK LONDON BLVD

C1

SCALE: 1 INCH = 800 FEET

W

W W W W W W

W

W

S S

SSSSSSSSSSSSSS

S S

S S

S D

SD

SD

SD

SD

X

X X

X X

X X

X X

X X

X X

X X

X X

X X

X X

X X

TO

C

R

EE

K R

O

AD

(N) STAGING AND

MATERIAL LAYDOWN AREA

(E) ACCESS PATH

(N) 12 TON RIP RAP

(E) 12 TON RIP RAP

(E) ALUMINUM HANDRAIL

PROTECT (E) TREE THROUGHOUT

CONSTRUCTION

CREEK ROAD

ARROYO BIKE TRAIL

PROTECT (E) TREE THROUGHOUT

CONSTRUCTION

55'-0"±

ARRO

YO

M O

CHO

(N) CONSTRUCTION FENCE

SEE NOTE 5 AND DETAIL

D1

(N) TRAIL CLOSED

BARRIER AND SIGN

SEE NOTE 11

INSTALL PEDESTRIAN

DETOUR ROUTE,

SEE NOTE 19

INSTALL PEDESTRIAN

DETOUR ROUTE,

SEE NOTE 19

(N) TRAIL CLOSED

BARRIER AND SIGN

SEE NOTE 11

C

A

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

LOP 14 - ARROYO MOCHO TRAIL NEAR

CREEK ROAD - SITE PLAN

NOTES:

1. ALL WORK BELOW TOP OF BANK SHALL BE COMPLETED PRIOR TO OCTOBER 15, 2024.

2. ACCESS SITE VIA COLLEGE AVENUE AND THE ARROYO BIKE TRAIL.

3. STAGING AREA AND ACCESS PATH SHALL BE RESTORED TO THEIR ORIGINAL

CONDITION AT COMPLETION OF CONSTRUCTION.

4. HYDROSEEDING SHALL BE INSTALLED ON THE STAGING AREA, THE ACCESS PATH,

AND DISTURBED SLOPES AT THE COMPLETION OF CONSTRUCTION; AVOID

PLACEMENT IN LOW FLOW CHANNEL. COORDINATE WITH THE CITY TO DEFINE LIMITS

OF HYDROSEEDING PRIOR TO PLACEMENT.

5. CONSTRUCTION FENCE SHALL BE INSTALLED PRIOR TO PLACEMENT OF ANY

EQUIPMENT OR MATERIALS ON SITE. WORKSITE SHALL BE COMPLETELY ENCLOSED

BY SUCH FENCING. THE LOCATION AND LENGTH OF FENCING IS APPROXIMATE AND

SHALL BE CONFIRMED AND ADJUSTED AS DIRECTED BY THE CITY'S

REPRESENTATIVES IN THE FIELD DURING CONSTRUCTION.

6. SUBGRADE SHOULD BE COMPACTED FIRMLY TO PREVENT SLUMPING OR

UNDERCUTTING PRIOR TO INSTALLATION OF GEOTEXTILE LINING.

7. CONTRACTOR SHALL EXCAVATE, OFF-HAUL, AND DISPOSE OF ALL SEDIMENT, DEBRIS

AND VEGETATION AS DETAILED ON THE PLANS AND SPECIFICATIONS.

8. CONTRACTOR SHALL ATTEND STREAM MAINTENANCE PROGRAM (SMP)

ENVIRONMENTAL TRAINING PRIOR TO BEGINNING WORK.

9. CONTRACTOR SHALL IMPLEMENT ALL SMP BMPs AND CONSERVATION MEASURE IN

COMPLIANCE WITH RESOURCE REGULATORY PERMITS.

10. THE EXTENT, ELEVATIONS, AND QUANTITIES OF GRADING, SEDIMENT REMOVAL, AND

RIP RAP PLACEMENT IS APPROXIMATE AND SHALL BE CONFIRMED AND ADJUSTED AS

DIRECTED BY THE CITY'S REPRESENTATIVES IN THE FIELD DURING CONSTRUCTION.

11. CONTRACTOR SHALL PROVIDE 6-FOOT CHAIN LINK FENCE, OR SIMILAR BARRIER

APPROVED BY THE CITY, AT SITE ENTRANCES ALONG TRAIL PATH TO CLOSE OFF

PUBLIC SITE ACCESS AND POST "TRAIL CLOSED FOR REPAIRS" SIGNS. VERIFY EXACT

LOCATION OF BARRIER AND SIGN WITH CITY PRIOR TO CONSTRUCTION. NO WORK

SHALL COMMENCE PRIOR TO THE COMPLETION OF THE QUALIFIED BIOLOGIST

SURVEY TO BE COMPLETED BY THE CITY.

12. CONTRACTOR SHALL BYPASS ALL CHANNEL FLOWS. WORK WITHIN THE ARROYO

MOCHO MAY REQUIRE DEWATERING GROUNDWATER RECHARGE RELEASES INTO

THE ARROYO MOCHO WILL BE TEMPORARILY STOPPED TO ELIMINATE THE NEED FOR

CHANNEL BYPASS/DIVERSION. REFERENCE SPECIFICATION SECTION 31 11 00.

13. CONTRACTOR SHALL ADEQUATELY CONTROL AND BYPASS ANY AND ALL FLOWS

THAT OCCUR DURING CONSTRUCTION AS SHOWN HEREIN AND DETAILED IN THE

SPECIFICATIONS. CONTRACTOR IS RESPONSIBLE FOR MONITORING CHANNEL FLOW

RATES, MONITORING THE WEATHER, AND PROTECTING THE SITE FROM CHANNEL

FLOWS AND EROSION.

14. MATERIAL REMOVED FROM THE DRAINAGE CHANNEL SHALL BE STOCKPILED AND

DRAINED PRIOR TO BEING OFF-HAULED. TEMPORARY STOCKPILED MATERIAL SHALL

BE STAGED A MINIMUM OF 100-FEET FROM THE CHANNEL.

15. CONTRACTOR SHALL REMOVE AND DISPOSE OF TRASH, SOIL, SILT, MUD, EXCESSIVE

ORGANIC MATERIAL AND DEBRIS.

16. AREA TO BE PROTECTED BY RIP RAP SHOULD BE CLEARED OF VEGETATION, BRUSH,

AND UNSUITABLE SOILS.

17. CARE SHOULD BE TAKEN NOT TO TEAR OR PUNCTURE GEOTEXTILE. GEOTEXTILE

DAMAGED DURING INSTALLATION MUST BE REMOVED AND REPLACED BEFORE RIP

RAP PLACEMENT.

18. THE CITY'S BIOLOGIST SHALL BE ON-SITE DURING ALL CONSTRUCTION ACTIVITIES.

THE CITY'S BIOLOGIST IS THE AUTHORITY TO STOP WORK AT ANY TIME DURING

CONSTRUCTION.

19. CONTRACTOR SHALL IMPLEMENT A DETOUR ROUTE FOR THE PEDESTRIAN TRAIL, AS

SHOWN HEREIN. DETOUR SHALL INCLUDE TRAIL CLOSED SIGNS, DETOUR SIGNS, AND

BARRIERS TO CLEARLY ROUTE PEDESTRIANS AROUND THE WORK AREA.

20. CONTRACTOR SHALL NOTIFY RESIDENTS ON CREEK ROAD A MINIMUM OF 1-WEEK

PRIOR TO THE START OF CONSTRUCTION.

21. CONTRACTOR SHALL OBTAIN A NO FEE ENCROACHMENT PERMIT FROM THE CITY

AND ZONE 7 PRIOR TO THE COMMENCEMENT OF WORK.

SCALE: 1" = 20'

PLAN SCALE: 1 INCH = 20 FEET

C2

QUANTITY TABLE

DESCRIPTION UNIT QUANTITY

CONSTRUCTION FENCE LF 460

SEDIMENT, DEBRIS AND TRASH

REMOVAL, OFF-HAUL, AND DISPOSAL CY 160

2 TON ROCK RIP RAP TON 240

ROCK RIP RAP FILTER FABRIC SY 120

0+00 1+00 1+25

(N) 12 TON RIP RAP

(E) AC PATH

(E) GRADE

(N) GEOTEXTILE FABRIC

MIN 3' BELOW CHANNEL

FLOW LINE

(E) CHANNEL INVERT

MAX SLOPE OF

2:1, TYP.

4'-6"

FILL AND COMPACT VOIDS

W/ EXCAVATED MATERIAL

TO THE EXTENT FEASIBLE

REMOVE (E) SEDIMENT & DEBRIS

W

W

W

W

W W

W W

W

W

W

W

W

W

W

W

W

W

W

W

W

W

S S

S S

SS

SS

S S

SS

SS

S S

SSSS

S S

S S

SS

SS

S S

SS

S S

SS

SS

SS

SD

SD

S D

SDSDSD

S D

S D

SD

CONTRACTOR ACCESS

ROUTE, TYP.

COLLEGE AVENUE

CREEK ROAD

APPROXIMATE

PROJECT LOCATION

OLD TOWERS ROAD

F O

R E

S T

L A

N E

TH STREET

S O

U

TH

O S

TR

E

E T

S O

U

TH

N S

TR

E

E T

M cG

LI

N

C H

E Y

D R

IV

E

K

IN

G S

B U

R Y

D R

IV

E

PEDESTRIAN DETOUR ROUTE

SEE NOTE 5

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

LOP 14 - ARROYO MOCHO TRAIL

NEAR CREEK ROAD - ACCESS

PATH & SECTION VIEW

NOTES:

1. ACCESS SITE VIA COLLEGE AVENUE AND THE ARROYO BIKE TRAIL.

2. STAGING AREA AND ACCESS PATH SHALL BE RESTORED TO THEIR ORIGINAL CONDITION AT COMPLETION OF CONSTRUCTION.

3. HYDROSEEDING SHALL BE INSTALLED ON THE STAGING AREA, THE ACCESS PATH, AND DISTURBED SLOPES AT THE COMPLETION

OF CONSTRUCTION; AVOID PLACEMENT IN LOW FLOW CHANNEL. COORDINATE WITH THE CITY TO DEFINE LIMITS OF

HYDROSEEDING PRIOR TO PLACEMENT.

4. CONTRACTOR SHALL BYPASS ALL CHANNEL FLOWS. CONTRACTOR SHALL VISIT SITE PRIOR TO BIDDING TO ESTIMATE THE FLOW DIVERSION AND BYPASS REQUIREMENTS. CONTRACTOR SHALL BE RESPONSIBLE FOR DESIGNING THE EXACT LOCATIONS OF THE COFFERDAMS AND THE SIZE AND LENGTHS OF THE BYPASS SYSTEMS REQUIRED FOR FLOW DIVERSION.

5. CONTRACTOR SHALL IMPLEMENT A DETOUR ROUTE FOR THE PEDESTRIAN TRAIL AS SHOWN HEREIN. DETOUR SHALL INCLUDE TRAIL CLOSED SIGNS, DETOUR SIGNS, AND BARRIERS TO CLEARLY ROUTE PEDESTRIANS AROUND THE WORK AREA.

6. CONTRACTOR SHALL NOTIFY ALL RESIDENTS WITHIN 1,000 LF OF THE WORK AREA A MINIMUM OF ONE WEEK PRIOR TO CONSTRUCTION. NOTICE SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL PRIOR TO DISTRIBUTION.

SCALE: 1" = 100'

ACCESS ROUTE PLAN

C3

HOR. SCALE: 1" = 10'

SECTION A

VER. SCALE: 1" = 5'

SCALE: 1 INCH = 100 FEET

W

W

W

SS

SS

SS

SS

SS

SS

SS

SS

SS

SS

SS

SS

SS

SS

SS

S D

S D

S D

S D

S D

REGRADE (E) ACCESS PATH

SEE TYPICAL SECTION A

(E) SANITARY SEWER

ANZA WAY

ACCESS ROAD TO STOCKPILE SITE

CONTRACTOR SHALL STAY WITHIN LIMITS

(N) CONSTRUCTION FENCE

SEE NOTE 5 AND DETAIL

D1

(E) 21" RCP SD

INCREASE HEIGHT OF ACCESS

ROAD OVER (E) 21" RCP SD

1'-6" MIN COVER OVER SD

CONTRACTOR ACCESS

PATH, TYP.

FILL (E) VOID W/ 14 TON RIP

SEE SECTION C

CONTRACTOR TO USE (E) STOCKPILED

GRANULAR MATERIAL TO FILL VOIDS AND

GRADE ACCESS ROAD AS SHOWN HEREIN

(E) TREES

PROTECT IN PLACE, TYP.

C5 C

C4 B

C5 D

C 4A

59+75 60+00 61+00 61+50

3'-2"±

10'-0"±

26'-3"± 23'-7"±

(N) GEOTEXTILE FABRIC,

ENCAPSULATE RIP RAP(E) GRADE

(E) 21" RCP SD

SUPPORTED ON

CONCRETE CRADLE

1'-6" MIN. SLOPE ACCESS ROAD

AT 3 % TO CONFORM TO

EXISTING GRADE, TYP.ELEV: 482.96±

FILL AND COMPACT VOIDS IN RIP RAP W/

ON-SITE GRANULAR MATERIAL FROM STOCKPILE

(N) 14 TON RIP RAP

(N) GRADE

ELEV: 481.03±

ELEV: 480.00±

© 2024 Microsoft Corporation © 2024 Maxar ©CNES (2024) Distribution Airbus DS

SS

SS

SS

SSSS

SD

SD

S D

ANZA WAY

F

LO

R E

N C

E R

O A

D

CONTRACTOR ACCESS

ROUTE, TYP.

FILL AND COMPACT VOIDS IN ACCESS ROAD

USING ONSITE STOCKPILED MATERIAL

0'-6"

13'-0"±

CREATE LEVEL SURFACE FROM

ONSITE STOCKPILED MATERIAL

15'-5"±

(E) GRADE

REMOVE EXISTING DEBRIS AND LOSE MATERIAL

ALONG ACCESS ROAD PRIOR TO GRADING

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

LOP 13 - ARROYO MOCHO TRAIL

NEAR ANZA WAY - SITE PLAN

NOTES:

1. LOP 13 IS NOT SUBJECT TO SEASONAL RESTRICTIONS, THE CONTRACTOR SHALL COMPLETE ALL WORK BY

OCTOBER 31, 2024.

2. ACCESS SITE VIA FLORENCE ROAD.

3. STAGING AREA AND ACCESS PATH SHALL BE RESTORED TO THEIR ORIGINAL CONDITION AT COMPLETION OF

CONSTRUCTION.

4. HYDROSEEDING SHALL BE PLACED ON ALL DISTURBED AREAS OUTSIDE THE LIMITS OF THE ACCESS ROAD

BEING RESTORED. HYDROSEEDING SHALL BE PLACED ON AREAS DISTURBED WITHIN THE STOCKPILE AREA AND ALONG THE ACCESS ROUTE TO THE STOCKPILE AREA. LIMITS OF HYDROSEEDING SHALL BE AS

DIRECTED BY THE CITY'S REPRESENTATIVE DURING CONSTRUCTION.

5. ORANGE CONSTRUCTION FENCE SHALL BE INSTALLED PRIOR TO PLACEMENT OF ANY EQUIPMENT OR

MATERIALS ON SITE. WORKSITE SHALL BE COMPLETELY ENCLOSED BY SUCH FENCING.

6. SUBGRADE SHOULD BE COMPACTED FIRMLY TO PREVENT SLUMPING OR UNDERCUTTING PRIOR TO

INSTALLATION OF GEOTEXTILE LINING.

7. EXCAVATED MATERIAL SHALL BE REUSED ON SITE TO FILL VOIDS IN THE RIP RAP, OR SHALL BE PLACED

WITHIN THE STOCKPILE AREA SHOWN ON THIS SHEET.

8. CONTRACTOR SHALL ATTEND STREAM MAINTENANCE PROGRAM (SMP) ENVIRONMENTAL TRAINING PRIOR

TO BEGINNING WORK.

9. CONTRACTOR SHALL IMPLEMENT ALL SMP BMPs AND CONSERVATION MEASURE IN COMPLIANCE WITH

RESOURCE REGULATORY PERMITS.

10. THE EXTENT, ELEVATIONS, AND QUANTITIES OF GRADING AND SEDIMENT REMOVAL IS APPROXIMATE AND SHALL BE CONFIRMED AND ADJUSTED AS DIRECTED BY THE CITY'S REPRESENTATIVES IN THE FIELD DURING

CONSTRUCTION.

11. CONTRACTOR SHALL REMOVE AND DISPOSE OF TRASH, SOIL, SILT, MUD, EXCESSIVE ORGANIC MATERIAL

AND DEBRIS.

12. AREA TO BE PROTECTED BY RIP RAP SHOULD BE CLEARED OF VEGETATION, BRUSH, AND UNSUITABLE SOILS.

13. CARE SHOULD BE TAKEN NOT TO TEAR OR PUNCTURE GEOTEXTILE. GEOTEXTILE DAMAGED DURING

INSTALLATION MUST BE REMOVED AND REPLACED BEFORE RIP RAP PLACEMENT.

14. CONTRACTOR SHALL USE EXISTING ONSITE STOCKPILED MATERIAL FOR ACCESS ROAD GRADING AND FILL.

CONTRACTOR SHALL SELECT AND SORT MATERIAL TO ELIMINATE THE USE OF FINE AND ORGANIC MATERIAL.

15. ALL DISTURBED AREAS WITHIN THE STOCKPILE AREA SHALL BE EVENLY GRADED UPON COMPLETION OF THE

PROJECT. GRADING SHALL BE PERFORMED TO ELIMINATE LOW SPOTS AND BIRD BATHS WITHIN THE DISTURBED AREAS. MAXIMUM SLOPES SHALL BE 3:1 (HORIZONTA:VERTICAL). GRADING SHALL BE ADJUSTED

AS DIRECTED BY THE CITY'S REPRESENTATIVES DURING CONSTRUCTION.

16. CONTRACTOR SHALL NOTIFY ALL RESIDENTS WITHIN 1,000 LF OF THE WORK A MINIMUM OF ONE WEEK PRIOR TO CONSTRUCTION. NOTICE SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL PRIOR TO

DISTRIBUTION.

SCALE: 1" = 30'

PLAN

SCALE: 1" = 80'

ACCESS ROUTE PLAN

SCALE: 1 INCH = 30 FEET

TYPICAL CROSS SECTION A

SCALE: 1" = 2'

C4

SECTION B

VER. SCALE: 1" = 10'

QUANTITY TABLE

DESCRIPTION UNIT QUANTITY

CONSTRUCTION FENCE LF 2465

RELOCATE AND COMPACT

MATERIAL ON-SITE

CY 200

4 TON ROCK RIP RAP TON 165

ROCK RIP RAP FILTER FABRIC SY 190

29+75 30+00 31+00 31+50

FILL AND COMPACT VOIDS IN RIP RAP W/ ON-SITE

GRANULAR MATERIAL FROM STOCKPILE

(N) 14 TON RIP RAP

(N) GRADE

3'-2"±8'-4"±

(E) 21" RCP SD

SUPPORTED ON

CONCRETE CRADLE

(E) GRADE

(N) GEOTEXTILE FABRIC,

ENCAPSULATE RIP RAP

SLOPE AT 2:1

1'-6"±

EXCAVATE AS NECESSARY TO EXTEND RIP RAP A MINIMUM OF

1-FOOT BELOW THE BOTTOM OF THE EXISTING 21-INCH RCP.

EXCAVATED MATERIAL SHALL BE USED TO FILL VOIDS IN RIP RAP

39+75 40+00 41+00 41+25

FILL AND COMPACT VOIDS IN RIP RAP W/

ON-SITE GRANULAR MATERIAL FROM STOCKPILE

(N) 14 TON RIP RAP

(N) GRADE

3'-2"±

9'-11"±

(E) GRADE

(E) 21" RCP SD

SUPPORTED ON

CONCRETE CRADLE

SLOPE AT 2:1

EXCAVATE AS NECESSARY TO EXTEND RIP RAP A MINIMUM OF

1-FOOT BELOW THE BOTTOM OF THE EXISTING 21-INCH RCP.

EXCAVATED MATERIAL SHALL BE USED TO FILL VOIDS IN RIP RAP

(N) GEOTEXTILE FABRIC,

ENCAPSULATE RIP RAP

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

LOP 13 - ARROYO MOCHO TRAIL NEAR

ANZA WAY - CROSS SECTIONS

SECTION C

VER. SCALE: 1" = 2.5'

NOTES:

1. SITE 13 IS NOT SUBJECT TO SEASONAL RESTRICTIONS, THE CONTRACTOR SHALL COMPLETE

ALL WORK BY OCTOBER 31, 2024.

2. SUBGRADE SHOULD BE COMPACTED FIRMLY TO PREVENT SLUMPING OR UNDERCUTTING

PRIOR TO INSTALLATION OF GEOTEXTILE LINING.

3. EXTENT OF GRADING AND SEDIMENT REMOVAL IS APPROXIMATE. VERIFY THE EXTENT WITH

THE CITY.

4. CONTRACTOR SHALL REMOVE AND DISPOSE OF TRASH, SOIL, SILT, MUD, EXCESSIVE ORGANIC

MATERIAL AND DEBRIS.

5. AREA TO BE PROTECTED BY RIP RAP SHOULD BE CLEARED OF VEGETATION, BRUSH, AND

UNSUITABLE SOILS.

6. CARE SHOULD BE TAKEN NOT TO TEAR OR PUNCTURE GEOTEXTILE. GEOTEXTILE DAMAGED

DURING INSTALLATION MUST BE REMOVED AND REPLACED BEFORE RIP RAP PLACEMENT.

7. CONTRACTOR SHALL USE EXISTING ONSITE STOCKPILED MATERIAL FOR ACCESS ROAD

GRADING AND FILL. CONTRACTOR SHALL SELECT AND SORT MATERIAL TO ELIMINATE THE USE

OF FINE AND ORGANIC MATERIAL.

C5

SECTION D

VER. SCALE: 1" = 2.5'

W

W W

W

W

W

W

W

W

W

W

W

W W

W

W

W

W

W

W

W

W

W

W

W

WW

W

W

W

W

W W W

W

W

W

W

W

W

W

W W

W W

WW

S S

S S

SD

S D

S D

S D

S D

S D

S D

S D

S D

S D

S D

A

IR

W A

Y B

O U

LE

V

A R

D

GV

GV

X

X

X

X

X X X

X X X

X

X X X X

DWV

REMOVE 17"Ø BLACK WALNUT

TREE & WILLOW AT BASE OF TREE

REMOVE 16"Ø BLACK WALNUT TREE (FALLEN)

(E) TOE OF CHANNEL

(E) TOP OF BANK

COFFERDAM IN CHANNEL AS

NECESSARY FOR CONSTRUCTION

NOTE 12

ARROYO LAS POSITAS

(N) CONSTRUCTION FENCE

SEE NOTE 5 AND DETAIL

D1

TEMPORARY STAGING & STOCKPILE AREA

SEE NOTE 3 & 13

CP27

200'

(N) TOP OF BANK

CP25

C

7DC

7C

C7B

C7A

LIMB (E) WILLOWS

ON NORTH BANK

MATCH GRADE OF (E) CHANNEL TO

CREATE SMOOTH TRANSITION FROM

SEDIMENT REMOVAL AREA TO (E)

CHANNEL, TYP OF UPSTREAM AND

DOWNSTREAM LIMITS OF WORK

(N) TOE OF SLOPE

REMOVE 18"Ø BLACK WALNUT TREE

REMOVE EXISTING SEDIMENT, DEBRIS, AND SELECT

TREES. CREATE SMOOTH TRANSITION FROM CULVERTS.

REMOVE, STOCKPILE, AND REPLACE TOPSOIL

SEE NOTE 19

COFFERDAM IN CHANNEL AS

NECESSARY FOR CONSTRUCTION

NOTE 12

33'±

(E) ORDINARY HIGH WATER MARK

LIMB (E) 22"Ø VALLEY OAK TREE,

SEE NOTE 18

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

LOP 5 - AIRWAY CULVERT -

PLAN VIEW

NOTES:

1. ALL WORK BELOW TOP OF BANK SHALL BE COMPLETED PRIOR TO OCTOBER 15, 2024.

2. ACCESS SITE VIA AIRWAY BOULEVARD.

3. TEMPORARY STOCKPILE AND STAGING AREA MAY BE USED FOR TEMPORARY STOCKPILE OF MATERIALS

AND STAGING OF EQUIPMENT AS NECESSARY DURING CONSTRUCTION. STAGING AREA SHALL BE

RESTORED TO ITS ORIGINAL CONDITION AT COMPLETION OF CONSTRUCTION.

4. BIODEGRADABLE EROSION CONTROL BLANKET AND BROADCAST SEEDING SHALL BE INSTALLED ON DISTURBED SLOPES STEEPER THAN 4H:1V, AND HYDROSEEDING SHALL BE PLACED ON ALL OTHER DISTURBED AREAS AT THE COMPLETION OF CONSTRUCTION. AVOID PLACEMENT IN LOW FLOW CHANNEL.

5. CONSTRUCTION FENCE SHALL BE INSTALLED PRIOR TO PLACEMENT OF ANY EQUIPMENT OR MATERIALS ON SITE. WORKSITE SHALL BE COMPLETELY ENCLOSED BY SUCH FENCING. THE LOCATION AND LENGTH OF FENCING IS APPROXIMATE AND SHALL BE CONFIRMED AND ADJUSTED AS DIRECTED BY THE CITY'S

REPRESENTATIVES IN THE FIELD DURING CONSTRUCTION.

6. CONTRACTOR SHALL EXCAVATE, OFF-HAUL, AND DISPOSE OF ALL SEDIMENT, DEBRIS AND VEGETATION

AS DETAILED ON THE PLANS AND SPECIFICATIONS.

7. CONTRACTOR SHALL ATTEND STREAM MAINTENANCE PROGRAM (SMP) ENVIRONMENTAL TRAINING PRIOR

TO BEGINNING WORK.

8. CONTRACTOR SHALL IMPLEMENT ALL SMP BMPs AND CONSERVATION MEASURE IN COMPLIANCE WITH

RESOURCE REGULATORY PERMITS.

9. CONTRACTOR SHALL REMOVE SEDIMENT, DEBRIS, AND TRASH UPSTREAM OF ROAD CROSSING, WITHIN CULVERTS, AND DOWNSTREAM OF ROAD CROSSING. ALL MATERIAL REMOVED FROM THE SITE SHALL BE

TRANSPORTED AND DISPOSED OF AT AN APPROPRIATE LANDFILL/DISPOSAL SITE.

10. THE EXTENT, ELEVATIONS, AND QUANTITIES OF GRADING AND SEDIMENT REMOVAL IS APPROXIMATE AND SHALL BE CONFIRMED AND ADJUSTED AS DIRECTED BY THE CITY'S REPRESENTATIVES IN THE FIELD

DURING CONSTRUCTION.

11. THE LOCATIONS AND LIMITS OF TREE REMOVAL AND TRIMMING IS APPROXIMATE AND SHALL BE CONFIRMED AND ADJUSTED AS DIRECTED BY THE CITY'S REPRESENTATIVES IN THE FIELD DURING

CONSTRUCTION.

12. CONTRACTOR SHALL BYPASS ALL CHANNEL FLOWS. CONTRACTOR SHALL VISIT SITE PRIOR TO BIDDING TO ESTIMATE THE FLOW DIVERSION AND BYPASS REQUIREMENTS. CONTRACTOR SHALL BE RESPONSIBLE FOR DESIGNING THE EXACT LOCATIONS OF THE COFFERDAMS AND THE SIZE AND LENGTHS OF THE

BYPASS SYSTEMS REQUIRED FOR FLOW DIVERSION.

13. MATERIAL REMOVED FROM THE DRAINAGE CHANNEL SHALL BE STOCKPILED AND DRAINED AT THE TEMPORARY STOCKPILE LOCATION SHOWN ON THIS SHEET, PRIOR TO BEING TRANSPORTED TO THE

PERMANENT SEDIMENT FILL AREA SHOWN ON SHEET C8.

14. THE CITY'S BIOLOGIST SHALL BE ON-SITE DURING ALL CONSTRUCTION ACTIVITIES. THE CITY'S BIOLOGIST

HAS THE AUTHORITY TO STOP WORK AT ANY TIME DURING CONSTRUCTION.

15. TYPICAL AVERAGE DRY WEATHER FLOW IN ARROYO LOS POSITAS IS 4 CUBIC FEET PER SECOND (CFS).

POTENTIAL PEAK DRY WEATHER FLOW IS 10 CFS. CONTRACTOR SHALL ADEQUATELY CONTROL AND BYPASS ANY AND ALL FLOWS THAT OCCUR DURING CONSTRUCTION AS SHOWN HEREIN AND DETAILED IN

THE SPECIFICATIONS. CONTRACTOR IS RESPONSIBLE FOR MONITORING CHANNEL FLOW RATES,

MONITORING THE WEATHER, AND PROTECTING THE SITE FROM CHANNEL FLOWS AND EROSION.

16. NO WORK SHALL COMMENCE PRIOR TO THE COMPLETION OF THE QUALIFIED BIOLOGIST SURVEY TO BE

COMPLETED BY THE CITY.

17. CONTRACTOR SHALL REMOVE AND DISPOSE OF TRASH, SOIL, SILT, MUD, EXCESSIVE ORGANIC MATERIAL

AND DEBRIS.

18. SEDIMENT REMOVAL SHALL NOT OCCUR WITHIN THE LIMITS OF THE EXISTING 22-INCH VALLEY OAK TREE

ROOT SYSTEM.

19. TOPSOIL WITHIN THE SEDIMENT REMOVAL AREA SHALL BE TEMPORARILY STOCKPILED AND REPLACED WITHIN THE SEDIMENT REMOVAL AREA UPON COMPLETION OF SEDIMENT REMOVAL AND GRADING.

20. EQUIPMENT SHALL NOT ENTER THE CHANNEL BELOW THE OHWM AS DIRECTED BY THE CITY'S BIOLOGIST.

ALL EXCAVATIONS SHALL BE SHALL BE PERFORMED WITH AN EXCAVATOR, A DOZER SHALL NOT BE USED

TO GRADE OR REMOVE MATERIAL FROM THE SITE.

SCALE: 1" = 30'

PLAN

SCALE: 1 INCH = 30 FEET

C6

LOCAL BENCHMARKS

CP#

NORTHING

(FT)

EASTING

(FT)

ELEVATION

(FT)

25 2079501.08 6180309.78 384.51

27 2079507.37 6180388.95 390.39

QUANTITY TABLE

DESCRIPTION UNIT QUANTITY

CONSTRUCTION FENCE LF 1090

SEDIMENT, DEBRIS AND TRASH

REMOVAL, OFF-HAUL, AND DISPOSAL CY 10

SEDIMENT EXCAVATION, PLACEMENT,

AND COMPACTION AT STOCKPILE AREA

CY 860

0+50 1+00 1+50

(E) GRADE

(N) GRADE

ELEV: 375.91

REMOVE (E) SEDIMENT

& DEBRIS

TRIM (E) WILLOWS

ON NORTH BANK

10+00 11+00 11+50

10+00 11+00 11+50

(E) GRADE

(N) GRADE, SLOPE

AT 3:1 MAX, TYP.

ELEV: 376.44

REMOVE (E) SEDIMENT

& DEBRIS

TRIM (E) WILLOWS

ON NORTH BANK

30+00 31+00 31+75

(E) GRADE

(N) GRADE, SLOPE

AT 3:1 MAX, TYP. ELEV: 377.77

REMOVE (E) SEDIMENT

& DEBRIS

ELEV: 379.77

TRIM (E) WILLOWS

ON NORTH BANK

20+00 21+00 21+75

20+00 21+00 21+75

ELEV: 379.17

(E) GRADE

ELEV: 377.17

REMOVE (E) SEDIMENT

& DEBRIS

(N) GRADE, SLOPE

AT 3:1 MAX, TYP.

TRIM (E) WILLOWS

ON NORTH BANK

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

LOP 5 - AIRWAY CULVERT

- SECTION VIEWS

NOTES:

1. ALL WORK BELOW TOP OF BANK SHALL BE COMPLETED PRIOR TO OCTOBER 15, 2024.

2. CONTRACTOR SHALL EXCAVATE, OFF-HAUL, AND DISPOSE OF ALL DEBRIS, TRASH AND VEGETATION AS DETAILED ON

THE PLANS AND SPECIFICATIONS. SEDIMENT SHALL BE PLACED IN THE PERMANENT FILL AREA AS SHOWN ON SHEET C8.

3. CROSS SECTION SHOWN LOOKING DOWNSTREAM. REFER TO SHEET C6 FOR LOCATION AND ORIENTATION.

4. LIMITS OF PROPOSED GRADING AND ELEVATIONS ARE APPROXIMATE, CONFIRM WITH CITY PRIOR TO EXCAVATION.

SECTION A

SECTION B

SECTION C

SECTION D

C7

W W

W W

W W

W

W W

W W

W

W

W

W

W

W

W

W

W

W

W

W

W

W W

W

W

W

W

W

W

W

W

W

W

W

W

W W

W

W

W

W

W

W

W

W W

W

SS

SS

S S

S S

S D

S D

S D

S D

S D

S D

S D

S D

S D

S D

S D

S D

SD

S D

GV

GV

X

X

X X

X X

X

H

Y

DWV

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

LOP 5 - AIRWAY CULVERT -

SEDIMENT STOCKPILE AREA

SCALE: 1" = 50'

PLAN

APPROXIMATE LIMITS OF

PERMANENT SEDIMENT FILL AREA

AREA: 14,100 FT2

AVERAGE DEPTH: 1 FT

NOTE 3

A

IR

W A

Y B

O U

LE

V

A R

D

US580 (OFF RAMP)

REMOVE (E) SEDIMENT,

DEBRIS, AND SELECT TREES

SEE SHEETS C5 AND C6

C8

(E) CART PATH BRIDGE

DOWNSTREAM

COFFERDAM UPSTREAM

COFFERDAM

NOTES:

1. THE LOCATION, LIMITS, AND DEPTH OF THE MATERIAL STOCK PILE AREA IS APPROXIMATE

AND SHALL BE CONFIRMED AND ADJUSTED AS DIRECTED BY THE CITY'S REPRESENTATIVES

IN THE FIELD DURING CONSTRUCTION.

2. PRIOR TO OFF-HAULING MATERIAL TO STOCKPILE SITE, CONTRACTOR SHALL MAKE SURE

THAT GRAVEL IS FREE OF SOIL, SILT, MUD, EXCESSIVE ORGANICS AND DEBRIS PRIOR TO

OFF-HAUL. THE MATERIAL SHALL ALSO BE DRAINED PRIOR TO OFF-HAUL AND DISPOSAL.

3. MATERIAL PLACED AT THE PERMANENT FILL AREA SHALL BE GRADED SMOOTH AS

DIRECTED BY THE CITY AND SHALL BE COMPACTED TO 85% RELATIVE COMPACTION.

GRADING SHALL BE PERFORMED TO ELIMINATE LOW POINTS AND BIRD BATHS WITHIN AND

SURROUNDING THE STOCKPILED MATERIAL. THE PERMANENT FILL AREA, THE TEMPORARY

STOCKPILE AREA, AND ALL SURROUNDING DISTURBED AREAS SHALL BE HYDROSEEDED

UPON COMPLETION OF THE PROJECT.

4. THE CONSTRUCTION AND STAGING LIMITS SHOWN ARE APPROXIMATE AND SHALL BE

ADJUSTED AS DIRECTED BY THE CITY'S REPRESENTATIVES. THE CONTRACTOR SHALL

ENSURE THAT THE TOTAL AREA OF DISTURBANCE AT THE SITE IS LESS THAN 1 ACRE.

5. CONSTRUCTION FENCE SHALL BE INSTALLED PRIOR TO PLACEMENT OF ANY EQUIPMENT

OR MATERIALS ON SITE. WORKSITE SHALL BE COMPLETELY ENCLOSED BY SUCH FENCING.

THE LOCATION AND LENGTH OF FENCING IS APPROXIMATE AND SHALL BE CONFIRMED AND

ADJUSTED AS DIRECTED BY THE CITY'S REPRESENTATIVES IN THE FIELD DURING

CONSTRUCTION.

CONSTRUCTION FENCE

NOTE 5

SCALE: 1 INCH = 50 FEET

LIMB (E) TREES AND WILLOWS

SEE SHEETS C5 AND C6

APPROXIMATE LIMITS OF

TEMPORARY STOCKPILE AREA

2' O C

1' O C

6' WIDE (TYP)2' (TYP)

TOP OF BIOENGINEERED REVETMENT

UPSTREAM END

DOWNSTREAM END

3'

6"

(TYP)

2' O C

FLOW

FLOW

TOP OF BANK

1. OVERLAP DIRECTION OF STREAM FLOW.

2. EROSION CONTROL BLANKET SHALL BE MADE OF BIODEGRADABLE

MATERIAL, NO POLYURETHANE NETTING PERMITTED.

NOTES

1' O C

NOTES

1' O C

NOTES

M

IN

6'-0" (MAX)

FASTENERS (TYP)

8" M

A X

(T Y

P

FENCE OPENING DETAIL

CONSTRUCTION

FENCE FABRIC

POST

CONSTRUCTION

FENCE FABRIC

POST

END POSTSVARIES

VARIES VARIES

45°

TYP

SLOPE

COMPACTED BACKFILL

CONSTRUCTION

FENCE FABRIC

FASTENER (TYP)

POST

NOTES

1. ALL FENCING SHALL BE REMOVED BY CONTRACTOR AT END OF PROJECT.

2. POSTS TO BE INSTALLED ON INSIDE ASPECT OF WORK SITE.

3. CONTRACTOR SHALL MARK AND REVIEW THE PROPOSED LOCATIONS OF THE CONSTRUCTION FENCE WITH THE CITY'S BIOLOGIST PRIOR TO CONSTRUCTION. THE LOCATION AND EXTENTS IS AT

THE DISCRETION OF THE BIOLOGIST, THE CONTRACTOR SHALL ADJUST AS DIRECTED BY THE CITY'S BIOLOGIST.

POST

CONSTRUCTION FENCE FABRIC

GROUND SURFACE

2023 STORM DAMAGE REPAIR PROJECT (LOP 5, 13, & 14)

City Project No. S202300A & S202300P

CITY OF

COMMUNITY DEVELOPMENT DEPARTMENT-ENGINEERING DIVISION

A L I F O R N I AC

BE

NJAMIN L.

No. 68813

C I LIV

STATE OF

AINROFILAC

RE

GI

ST

ER

ED

PROF

RE

EN

IG

NE

LANOISSE

SHICK

(707) 528-4848

SANTA ROSA, CA 95405

2200 RANGE AVENUE, STE 201

CONSULTING CIVIL ENGINEERS

Schaaf Wheeler

NTS

DETAILS

D1

EROSION CONTROL BLANKET DETAIL

SCALE: NTS

D1

CONSTRUCTION FENCE INSTALLATION DETAIL

SCALE: NTS

D-1