EPW - 18107 Addendum No. 1 Page 1 of 2
TRASH CAPTURE PROJECT
PROJECT NO. EPW-18107
ADDENDUM NO. 1
September 20, 2022
To All Planholders:
Notice is hereby given of the following changes to the project documents:
1) Project Plan Sheets 5, 6, 9 and 10 of 10; The following changes are hereby made to the attached revised project plan sheets:
A) Sheet 5 of 10 “Demolition Plan” of the project plans has been modified to indicate revised asphalt concrete removal limits.
B) Sheet 6 of 10 “Improvements Plan” of the project plans has been modified to indicate a reduction in size of the maintenance slab from14’ wide to 12.5 feet wide and do indicate revised limits of asphalt restoration.
C) Sheet 9 of 10 “Details” of the project plans has been revised to describe the inlet type to be Caltrans Type G3.
D) Sheet 10 of 10 “Slide Gate Details” of the project plans has been revised to clarify that the slide gate support beam and hardware is to be furnished and installed by the Contractor.
2) PART A – Bid Documents; Page A-6 Bid Sheet is hereby replaced with the attached Bid Sheet to reflect changes to the maintenance pad size related to Bid Item 12.
3) PART C – Special Provisions of the Project Documents is hereby revised as follows:
A) Section 10-5.14 Bid Item 14 – Site Restoration:
The following paragraph is hereby added to the item description:
“Anywhere soil has been disturbed on site the Contractor shall restore existing drainage grading and place 3” of bark mulch as reviewed and approved by the City Representative.”
B) Section 10-3.11 Bid Item 11 – Install Separator With Slide Gates and Hatch Including Backfill:
EPW - 18107 Addendum No. 1 Page 2 of 2
Paragraph 2 of this Section is hereby replaced with the following paragraph to reflect that a Caltrans Type G3 inlet is to be installed as part of the work of this item.
“Furnishing of all materials to install the unit, hatch and associated piping, new Type G3 inlet, with the exception of procurement and delivery of the separator unit (Bid Item 9) and slide gates (Bid Item 10), is included in the work of this item.”
C) Section 10-4.12 Bid Item 12 – Minor Concrete (14'x25' Maintenance Pad):
The Item Title, and all occurrences of the item title is hereby revised from: 10-
4.12 Bid Item 12 - Minor Concrete (14'x25' Maintenance Pad)
To: 10-4.12 Bid Item 12 - Minor Concrete (12.5'x25' Maintenance Pad) 4) PART D – Section 3 – Trash Capture Device RFP: The attached RFP response is hereby incorporated into this section.
5) PART D – Section 4 – Slide Gates RFP: The attached RFP response is hereby incorporated into this section.
Notice is hereby given that the Bid Opening Date for the City of Emeryville Trash Capture Project, (EPW 18-107) is hereby revised to be Tuesday, September 27, 2022 at 10:00 a.m.:
Signature of this Addendum Sheet and inclusion of it with the Proposal is required at the time of bid opening.
Date: September 20, 2022 by:_____ ______________________ Michael Roberts, PE
Senior Civil Engineer
Company Name: ___________________
Authorized Name: ___________________
Authorized Signature: ___________________
Date: ___________________
IB IB
Pavement
Pavement
Pavement
Concrete Concrete
Concrete
Concrete
Concrete
Landscape
Landscape
Landscape
Landscape
MACARTHUR BLVD 2+75 3+00 3+25 3+50 3+75 4+00 4+16 EX. 36" STEEL SD EX. 36" STEEL SD
CATCH BASIN
RIM = 27.06'
INV. = 25.06' (ASSUMED) (12" OUT)
MACARTHUR BLVD
BASIS OF BEARING
N73° 43' 01.27"E
415.98
BASIS OF BEARING
N73° 20' 51.42"E
415.98
BASIS OF BEARING
N73° 04' 23.09"E
415.98
STA: 3+34
SDMH RIM = 27.16'
INV. = 18.86' 6"(IN-NE)
INV. = 22.39' 12"(IN-S)
INV. = 17.66' 27"(THRU-E)
SSMH
RIM = 26.89'
INV. = 20.59' 12"(THRU)
(E) 36" SD CULVERT
(E) FENCE
(E) BACK OF CURB
(E) 2" GAS LINE
(E) 2" GAS LINE
BACK OF CURB
(E) 12" SS
(E) WATERLINE
FACE OF CURB
GUTTER
(E) FRONT OF CURB
(E) GUTTER
(E) STREET LIGHT.
(E) WROUGHT IRON
FENCE
(E) WROUGHT IRON
FENCE
20"TR
8"TR
36"TR
48"TR
3"TR
14"TR
54"TR
22'
15' XX XX XX XX XX
XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
DEMOLISH APPROX.
22' OF EXIST. STEEL
SD PIPE
FENCE APPROX. WORK AREA,
PLACE FIBER ROLLS AROUND
DISTURBED AREAS.
SEE NOTE 6
PROTECT (E) SD MH.
PROTECT (E) SS
IN-PLACE REMOVE AND
REPLACE (E) STREET
LIGHT IN PLACE. SEE
NOTE 5
CONTRACTOR TO REMOVE
EXIST. 48" DIAMETER
EUCALYPTUS TREE PER
ARBORIST
RECOMMENDATION
DEMOLISH (E)
CURB &
GUTTER
APPROX. LIMITS
OF DEEP
EXCAVATION
REPLACE 6" AC OVER 8" CLASS 2 AB
PROTECT (E)
TREE
PROTECT
(E) FENCE
REMOVE EX. CATCH
BASIN AND PROTECT EX. 12"
STORM DRAIN LATERAL
DEMO/SAWCUT EXISTING OPENING
AS REQUIRED FOR INSTALLATION
OF NEW 36-INCH RCP INSTALLATION
FILE NAME:5 DEMOLITION PLAN.dwg
10 UNDERGROUND
SERVICE ALERT
NORTH 811
CALL: TOLL FREE
1-800-227-2600
TWO WORKING DAYS BEFORE YOU DIG
MARK REVISIONS APPR. DATE.
SURVEY
PG&E
EBMUD
CALTRANS
APPROVED BY BY DATE APPROVED BY
CITY ENGINEER
DATE: HORIZ. SCALE VERT. SCALE
CITY OF EMERYVILLE, CALIFORNIA
DEPARTMENT OF PUBLIC WORKS
TRASH CAPTURE DESIGN PROJECT
DESIGN WORK ORDER. NO.: XXXXX
CONSTR. WORK ORDER. NO.: XXXXX
SHEET OF
Schaaf Wheeler
CONSULTING CIVIL ENGINEERS
4699 OLD IRONSIDES DR., SUITE #350
SANTA CLARA, CA 95054
(408) 246-4848
DATE: 9/1/2022
DESIGNED BY: FTS DRAWN BY: FM CHECKED BY: CJT
NOTES
1. CONTRACTOR SHALL DEMOLISH EXISTING CURB AND GUTTER, LANDSCAPING AND
AC PAVEMENT AS NECESSARY WITHIN LIMITS OF EXCAVATION AS SHOWN ON DRAWINGS. CONTRACTOR SHALL LIMIT DEMOLITION TO AREA WITHIN EXCAVATION LIMITS. CONTRACTOR IS RESPONSIBLE FOR REPAIRING AND/OR REPLACING
DAMAGED OR DEMOLISHED EXISTING HARDSCAPE & SOFTSCAPING OUTSIDE OF
LIMITS SHOWN ON PLANS
2. CONTRACTOR TO CONTACT PG&E PRIOR TO CONSTRUCTION WHEN WORKING WITHIN 10' OF (E) GAS LINE
3. ALL DEMOLITION MAY NOT BE SHOWN ON PLAN, CONTRACTOR IS RESPONSIBLE FOR
DEMOLISHING AND REPLACING IN KIND AS NEEDED FOR CONSTRUCTION
4. CONTRACTOR TO PROVIDE SUITABLE SHORING AND DEWATERING FOR EXCAVATION.
SHORING PLAN AND DEWATERING PLAN TO BE SUBMITTED TO THE ENGINEER FOR
APPROVAL PRIOR TO BEGINNING EXCAVATION
5. CONTRACTOR TO LOCATE AND PROTECT EXISTING BURIED ELECTRICAL LINE DURING CONSTRUCTION.
6. CONTRACTOR TO OBTAIN TEMPORARY CONSTRUCTION EASEMENT FROM ADJACENT PROPERTY OWNER FOR WORK WITHIN PRIVATE PROPERTY.
DEMOLITION PLAN
5 GRAPHIC SCALE
(IN FEET)
5 0 5 10
1" = 5'
2.5 20
PLAN VIEW
1" = 5'
IB IB
Concrete Concrete
Concrete
Concrete
Landscape
Landscape
Landscape
Landscape
MACARTHUR BLVD 2+75 3+00 3+25 3+50 3+75 4+00 4+16EX. 36" STEEL SD EX. 36" STEEL SD
CATCH BASIN
RIM = 27.06'
INV. = 25.06' (ASSUMED) (12" OUT)
MACARTHUR BLVD
BASIS OF BEARING
N73° 43' 01.27"E
415.98
BASIS OF BEARING
N73° 20' 51.42"E
415.98
BASIS OF BEARING
N73° 04' 23.09"E
415.98
STA: 3+34
SDMH RIM = 27.16'
INV. = 18.86' 6"(IN-NE)
INV. = 22.39' 12"(IN-S)
INV. = 17.66' 27"(THRU-E)
SSMH
RIM = 26.89'
INV. = 20.59' 12"(THRU)
(E) 36" SD CULVERT
(E) FENCE
(E) BACK OF CURB
(E) 2" GAS LINE
BACK OF CURB
(E) 12" SS
FACE OF CURB
GUTTER
(E) STREET LIGHT.
(E) WROUGHT IRON
FENCE
(E) WROUGHT IRON
FENCE
20"TR
8"TR
36"TR
48"TR
3"TR
14"TR
54"TR
FOR TRENCH BACKFILL
AND BEDDING
SEE DETAIL
INSTALL CONC. COLLAR
SEE DETAIL
INSTALL 3-FT MIN SEGMENT
OF NEW CONC.PIPE
7 1
7 2
24" X 48" CLR H-20
TRAFFIC RATED HATCH 48" X 48" CLR H-20
TRAFFIC RATED HATCH
DUAL STAGE HYDRODYNAMIC
SEPARATOR. SEE DETAIL
POUR 12.5' x 25' CONC. PAD
SEE DETAIL
INSTALL CALTRANS
TYPE E CURB (END).
SEE CALTRANS
STANDARD PLAN RSP
A87A ON SHEET 8
INSTALL CALTRANS
"TYPE E" CURB (START)
SEE CALTRANS
STANDARD PLAN RSP
A87A ON SHEET 8
7 3
7 1
INSTALL CALTRANS STANDARD
CATCH BASIN "TYPE G3"
RIM 27.06'
INV. = 24.39' (12" OUT)
SEE DETAIL
EXTEND NEW RCP INTO EXIST.
MANHOLE AND FILL VOIDS
USING NON-SHRINK GROUT.
LIMITS OF
THICKENED SLAB
9 1
FG = EG + 1" FG = EG + 1" 2%MAX
1' ASPHALT OVERLAY 9
2 10'
15'
20'
25'
30' 3+00 3+10 3+20 3+30 3+40 3+50 3+60
EX. 36" STEEL SD
EX. 36" STEEL SD
SDMH RIM = 27.16'
DUAL STAGE
HYDRODYNAMIC SEPARATOR
SEE DETAIL
7 1
DEVICE INTERNALS NOT
SHOWN FOR CLARITY
CONTRACTOR TO INSTALL SLIDE
GATE ON UPSTREAM AND
DOWNSTREAM SIDES OF
HYDRODYNAMIC SEPARATOR UNIT,
SEE DETAIL
10 1
EL = 15'±
EL = 27'±
12'±
10 UNDERGROUND
SERVICE ALERT
NORTH 811
CALL: TOLL FREE
1-800-227-2600
TWO WORKING DAYS BEFORE YOU DIG
MARK REVISIONS APPR. DATE.
SURVEY
PG&E
EBMUD
CALTRANS
APPROVED BY BY DATE APPROVED BY
CITY ENGINEER
DATE: HORIZ. SCALE VERT. SCALE
CITY OF EMERYVILLE, CALIFORNIA
DEPARTMENT OF PUBLIC WORKS
TRASH CAPTURE DESIGN PROJECT
DESIGN WORK ORDER. NO.: XXXXX
CONSTR. WORK ORDER. NO.: XXXXX
SHEET OF
Schaaf Wheeler
CONSULTING CIVIL ENGINEERS
4699 OLD IRONSIDES DR., SUITE #350
SANTA CLARA, CA 95054
(408) 246-4848
DATE: 9/1/2022
DESIGNED BY: FTS DRAWN BY: FM CHECKED BY: CJT
FILE NAME:6 IMPROVEMENTS PLAN.dwg
NOTES
1. CONTRACTOR TO VERIFY INVERT ELEVATION IN FIELD AND SHALL NOTIFY THE ENGINEER IMMEDIATELY IF THERE IS A SIGNIFICANT DIFFERENCE IN ELEVATION (± .1') . DIFFERENCES IN INVERT OF LESS THAN 4"
SHALL NOT BE CONSIDERED A CHANGED CONDITION
2. CONTRACTOR SHALL NOT START CONSTRUCTION UNTIL THERE ARE APPROVED SHOP DRAWINGS OF
TREATMENT DEVICE INTERNAL COMPONENTS
3. CONTRACTOR SHALL RESTORE ALL TRAFFIC MARKINGS DAMAGED DURING CONSTRUCTION ACTIVITIES.
IMPROVEMENTS PLAN
6 GRAPHIC SCALE
(IN FEET)
5 0 5 10
1" = 5'
2.5 20
PLAN VIEW
1" = 5'
PROFILE VIEW
HOR. SCALE: 1" = 5'
VERT. SCALE: 1" = 5'
10 UNDERGROUND
SERVICE ALERT
NORTH 811
CALL: TOLL FREE
1-800-227-2600
TWO WORKING DAYS BEFORE YOU DIG
MARK REVISIONS APPR. DATE.
SURVEY
PG&E
EBMUD
CALTRANS
APPROVED BY BY DATE APPROVED BY
CITY ENGINEER
DATE: HORIZ. SCALE VERT. SCALE
CITY OF EMERYVILLE, CALIFORNIA
DEPARTMENT OF PUBLIC WORKS
TRASH CAPTURE DESIGN PROJECT
DESIGN WORK ORDER. NO.: XXXXX
CONSTR. WORK ORDER. NO.: XXXXX
SHEET OF
Schaaf Wheeler
CONSULTING CIVIL ENGINEERS
4699 OLD IRONSIDES DR., SUITE #350
SANTA CLARA, CA 95054
(408) 246-4848
DATE: 9/1/2022
DESIGNED BY: FTS DRAWN BY: FM CHECKED BY: CJT
FILE NAME:9 DETAILS.dwg
DETAILS
9 - CALTRANS SD DETAIL D72B 1
NTS
- EMERYVILLE CITY STANDARD DETAIL AC PAVEMENT REPLACEMENT 2 NTS
CLASS 2 AG BASE
95% RELATIVE COMPACTION
90% RELATIVE
COMPACTION
SECTION A-A
AS NEEDED FOR SLIDE
GATE INSTALLATION
1 2" Ø STAINLESS STEEL MOUNTING
PLATE BOLTS, TYP. OF 4
5 8
" STAINLESS STEEL CONCRETE
ANCHORS, (TYP OF 6)
1 2
" Ø STAINLESS STEEL
BOLTS, TYP. OF 4
4"x4"x
1 4
" ANGLE
IRON SUPPORT
3.5" MIN
MANUAL ACTUATOR
WITH HAND WHEEL
ACCESS HATCH
W4X13 SS, TYP. OF 2
CONTRACTOR
SHALL VERIFY SIZE
NEEDED AND
PROVIDE
PRECAST GRINDER BOX
STRUCTURE
24"
B
1 2
" Ø 316 SS MOUNTING PLATE BOLTS
(TYP OF 4)
ACTUATOR NOT
SHOWN FOR CLARITY
ACTUATOR STEM OPENING
IN MOUNTING PLATE
ACTUATOR
MOUNTING BOLTS,
PER MANUFACTURER
RECOMMENDATIONS SLIDE GATE, INSTALLED
BELOW PER MANUFACTURER
RECOMMENDATIONS
4"X4"X
1 2
" SS
MOUNTING ANGLE
W4X13 SS ACTUATOR
SUPPORT BEAMS
(TYP OF 2)
A A
B
AS REQD
3/4"
31/2 3/4" 1/2"
STEM GUIDE FROM
MANUFACTURER
STAINLESS STEEL STEM GUIDE
MOUNTING BOLTS, Ø AS
REQUIRED BY MANUFACTURER 2"
3 8
" 316 STAINLESS STEEL
CONCRETE ANCHORS
1 2
" Ø BOLT HOLE FOR
3 8
" ANCHOR BOLT,
TYP OF 4
1 4
" X3-1/2" SS
MOUNTING PLATE
1 4
"X1"X1" SS ANGLE
SECTION B-B
SECTION A-A
PER MANUFACTURER'S
RECOMMENDATIONS
SLIDE GATE STEM
STEM GUIDE MOUNTING PATTERN,
CONTRACTOR TO MODIFY PATTERN AS
NECESSARY FOR INSTALLATION PER
MANUFACTURER RECOMMENDATION
STAINLESS STEEL STEM GUIDE
MOUNTING PLATE
STEM HOLE THROUGH MOUNTING PLATE,
Ø AS REQUIRED FOR INSTALLATION
3 8
" STAINLESS
STEEL CONCRETE
ANCHORS
1 4
" SS MOUNTING
PLATE
AS REQUIRED FOR STEM
GUIDE INSTALLATION
1/4"
B
B
A A
STEM GUIDE NOT
SHOWN FOR CLARITY
3-1/2"
B
C
A CA
B
4" MIN
GROUT
4" MIN
6"
INVERT
ANCHOR BOLTS, LOCATIONS AS
REQUIRED BY MANUFACTURER, TYP
SLIDE GATE INVERT
ANGLE (FLUSH MOUNT)
GROUT
SEE NOTE 1
NOTES
1. CONTRACTOR TO INSTALL SLIDE GATE PER MANUFACTURER
RECOMMENDATIONS.
2. ALL HARDWARE TO BE PROVIDED BY MANUFACTURE AND INSTALLED PER MANUFACTURER RECOMMENDATIONS.
SECTION A-A SECTION B-B SECTION C-C
4" MIN
1 2" Ø STAINLESS STEEL
MOUNTING PLATE
BOLTS (TYP OF 4)
1 4
" ACTUATOR MOUNTING PLATE
THROUGH HOLE FOR
SLIDE GATE STEM, Ø
PER MANUFACTURER
RECOMMENDATIONS
ACTUATOR MOUNTING
BOLTS, PER MANUFACTURER
RECOMMENDATIONS
4"x4"x
1 4
" ANGLE IRON
SUPPORT
5 8
" STAINLESS STEEL
CONCRETE ANCHOR BOLTS
(TYP OF 6)
W4X13 SS (TYP OF 2)
1 2
" Ø STAINLESS STEEL
BOLTS (TYP OF 4)
4" MIN
SECTION B-B
10 UNDERGROUND
SERVICE ALERT
NORTH 811
CALL: TOLL FREE
1-800-227-2600
TWO WORKING DAYS BEFORE YOU DIG
MARK REVISIONS APPR. DATE.
SURVEY
PG&E
EBMUD
CALTRANS
APPROVED BY BY DATE APPROVED BY
CITY ENGINEER
DATE: HORIZ. SCALE VERT. SCALE
CITY OF EMERYVILLE, CALIFORNIA
DEPARTMENT OF PUBLIC WORKS
TRASH CAPTURE DESIGN PROJECT
DESIGN WORK ORDER. NO.: XXXXX
CONSTR. WORK ORDER. NO.: XXXXX
SHEET OF
Schaaf Wheeler
CONSULTING CIVIL ENGINEERS
4699 OLD IRONSIDES DR., SUITE #350
SANTA CLARA, CA 95054
(408) 246-4848
DATE: 9/1/2022
DESIGNED BY: FTS DRAWN BY: FM CHECKED BY: CJT
FILE NAME:10 SLIDE GATE DETAILS.dwg
SLIDE GATE DETAILS
10 - SLIDE GATE MOUNTING DETAIL 1
NTS
- SLIDE GATE STEM SUPPORT DETAIL 2
NTS
- ACTUATOR MOUNTING DETAIL 3
NTS
EPW 18-107 A-6
BID SHEET FOR THE TRASH CAPTURE PROJECT City of Emeryville City Project No. EPW 18-107 Department of Public Works
Units of Measure Abbreviations are defined in Section One of the Standard Specifications Item
No.
Description Unit Estimated
Quantity
Unit Price Item Total
1 SUPPLEMENTAL WORK EA 20000 $1.00 $20,000
2 MOBILIZATION LS 1
3 TRAFFIC CONTROL SYSTEM LS 1
4 WATER POLLUTION CONTROL PLAN AND
IMPLEMENTATION
LS 1
5 SHEETING SHORING AND BRACING PLAN AND
IMPLEMENTATION
LS 1
6 EXCAVATION DEWATERING, STORMWATER FLOW
CONTROL PLAN AND IMPLEMENTATION
LS 1
7 CLEARING, GRUBBING, DEMOLITION AND
PROTECTION OF EXISTING IMPROVEMENTS
LS 1
8 EXCAVATION, HAULING, AND CLASS II SOIL DISPOSAL TON 500 9 ASSUMPTION OF PROCUREMENT CONTRACT FOR
SEPARATOR
LS 1
10 ASSUMPTION OF PROCUREMENT CONTRACT FOR
SLIDE GATES
LS 1
11 INSTALL SEPARATOR WITH SLIDE GATES AND HATCH
INCLUDING GROUNDWATER HANDLING AND BACKFILL
LS 1
12 MINOR CONCRETE (12.5’x25’ maintenance pad) SF 315
13 CONCRETE CURB AND GUTTER LS 1
14 SITE RESTORATION LS 1
TOTAL BID PRICE (including all taxes, fees, permitting and markups)