edmonds wwtp carbon recovery

APRIL 2021

EDMONDS WWTP CARBON RECOVERY

VICINITY MAP

G-1

114of1

COPY RIGHT © 2021 BHC CONSULTANTS, LLC. ALL RIGHTS RESERVED

WWTP MANAGER

PAMELA RANDALPH

PREPARED BY

LOCATION MAPS

SNOHOMISH COUNTY

PROJECTLOCATION

Monroe

Everett

Smokey Point

Edmonds

Snohomish

530

522

9

299

SNOHOMISHCOUNTY

I-5

Lynnwood

GENERAL CONTRACTOR

AMERESCO222 Williams Ave S #100Renton, Washington 98057P 206.522.4270F 425-687-3173

EDMONDS WWTP: 200 2ND AVE S, EDMONDS, WA 98020

MAYOR

MIKE NELSON

CITY COUNCIL

DIANE BUCKSHNIS

LUKE DISTELHORST

ADRIENNE FRALEY-MONILLAS

KRISTIANA JOHNSON

LAURA JOHNSON

VIVIAN OLSON

SUSAN PAINE

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FSi CONSULTING ENGINEERS - HVAC, PLUMBING AND FIRE PROTECTION

KPG - ARCHITECTURE

PUBLIC WORKS & UTILITIES DIRECTOR

PHIL WILLIAMS, P.E.

BHC Consultants, LLC1601 Fifth Avenue, Suite 500

Seattle, Washington 98101

206.505.3400206.505.3406 (fax)www.bhcconsultants.com

Attachment 4

kjohns

Stamp

PRIMARY

CLARIFIER NO. 2

PRIMARY

CLARIFIER NO. 1HEADWORKS

BUILDING

RAW SLUDGE

PUMPING STATION

(BELOW)

PRIMARY

CLARIFIER NO. 3

SOLIDS

PROCESS

BUILDING

OPERATIONS

BUILDING

2N

D A

VE

SO

UT

H

ENTRANCE

FLOW

SPLITTER BOX

UNDERGROUND

FUEL STORAGE TANK

B-7

B-14

B-9

B-15

B-2

ED

MO

ND

S W

AY

FE

RR

Y T

ER

MIN

AL

LA

NE

S

FINAL

CLARIFIER

NO. 3

FINAL

CLARIFIER

NO. 1

AERATION BASINS

BLOWER BUILDING

EX 10'-10" Ø

CHEMICAL STORAGE

TANK, SEE NOTE 9

11' x 11' CONCRETE

PAD, TOS EL 17.33,

SEE NOTE 9

G-9

9

P20-10570_G-9

EXISTING SITE PLAN

1" = 20'-0"

G. Mockos, P.E.

S. Olsoe

R. Dorn, P.E.

SURVEY NOTES

1. THE PURPOSE OF THIS TOPOGRAPHIC SURVEY IS FOR CIVIL

ENGINEERING DESIGN. THIS IS NOT A BOUNDARY SURVEY.

SOURCES OF BOUNDARY INFORMATION AS SHOWN INCLUDE

FIELD-TIED MONUMENTATION, PLATS, COUNTY RECORDS OF

SURVEY, AND AUDITOR INDEXING INFORMATION.

2. THE LOCATIONS OF EXISTING UNDERGROUND UTILITY SYSTEMS,

AS SHOWN HEREON, ARE TAKEN FROM UTILITY LOCATE PAINT

MARKS OR AS-BUILT PLANS AND ARE SHOWN IN AN

APPROXIMATE WAY ONLY.

THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF

ALL EXISTING UTILITIES BEFORE COMMENCING WORK, AND

AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL

DAMAGES WHICH MIGHT BE OCCASIONED BY THE

CONTRACTOR'S FAILURE TO EXACTLY LOCATE AND PRESERVE

ANY AND ALL UNDERGROUND UTILITIES. ALL LOCATOR

SERVICES SHOULD BE CONTACTED PRIOR TO ANY

CONSTRUCTION OR SUBSURFACE EXPLORATION. CALL

1-800-424-5555.

3. FIELD SURVEY: KPG, APRIL, 2019. LICENSEE MICHAEL R. BOWEN,

P.L.S. NO. 29294.

4. CONTOUR INTERVAL = 1 FOOT, ±0.5 FOOT PER NATIONAL

MAPPING STANDARDS. CONTOURS DERIVED FROM DIRECT

FIELD OBSERVATIONS.

5. STORM AND SEWER CONNECTIONS HAVE BEEN DRAWN FROM

CENTER OF LID TO CENTER OF LID.

6. THE LOCATIONS AND DIMENSIONS OF UNDERGROUND VAULTS

HAVE NOT BEEN VERIFIED AND ARE APPROXIMATE.

7. DUCTS ARE NOTED AS INDICATED IN THE FIELD BY UTILITY

LOCATORS. MULTIPLE LINES AND/OR UTILITIES MAY SHARE

DUCT RUNS; THIS MAY NOT BE SHOWN IN THE DRAWING.

8. GEOTECHNICAL BORINGS DESIGNATED AS B-XX ARE NOT

SURVEYED, BUT ARE LOCATED PER GEOTECHNICAL REPORTS

BY LANDAU ASSOCIATES, INC (1987-1988). LOCATION SHOWN IS

APPROXIMATE.

9. EXISTING 10'-10" DIAMETER CHEMICAL STORAGE TANK LOCATED

ON CAST IN PLACE 11' x 11' CONCRETE PAD, TOS EL 17.33

SHOWN SCHEMATICALLY AND NOT PART OF SURVEY.

HORIZONTAL DATUM

VERTICAL DATUM

WASHINGTON STATE PLANE COORDINATE

SYSTEM, NORTH ZONE, NAD 83/91.

NAVD 88

No. Revision Date By App'd

Drawing:

Sheet:

File:

Date:

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April 2021

COPYRIGHT © 2021 BHC CONSULTANTS, LLC. ALL RIGHTS RESERVED


114

1-800-424-5555UNDERGROUND SERVICE

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Checked:

Designed:

Scale AccordinglyIf Not One Inch

BHC Consultants, LLC1601 Fifth Avenue, Suite 500Seattle, Washington 98101

206.505.3400206.505.3406 (fax)www.bhcconsultants.com ISSUED FOR PERMIT 04-2021 GRM RAD

Attachment 4

kjohns

Stamp

PRIMARY

CLARIFIER NO. 2

PRIMARY

CLARIFIER NO. 1

RAW SLUDGE

PUMPING STATION

(BELOW)

EX 36" FA

DOWN

BIOAIR

ECOFILTER

EF 8283

G-12

12

P20-10570_G-12

ODOR CONTROL SYSTEM

AREA CLASSIFICATION PLAN

1/4" = 1'-0"

Palmatier, P.E.

S. Olsoe

R. Dorn, P.E.

NOTES:

1. CLASSIFIED AREA EXTENDS TO THECEILING OF SPACE IF ENCLOSED,UNLESS NOTED OTHERWISE.CLASSIFIED AREA EXTENDS TO THEGREATER OF 15-FEET ABOVEEQUIPMENT OR 15-FEET ABOVE WALL IFOPEN TO ENVIRONMENT, UNLESSOTHERWISE NOTED.

CLASS I DIVISION 2

LEGEND:


Drawing:

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44806

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Call 48 Hours

Before You Dig

Scale:


Checked:

Designed:





MA

TC

HL

INE

- S

EE

DW

G G

-11

MATCHLINE - SEE DWG G-13

Attachment 4

kjohns

Stamp

PRIMARY

CLARIFIER NO. 2

PRIMARY

CLARIFIER NO. 1 HEADWORKS

BUILDING

RAW SLUDGE

PUMPING STATION

(BELOW)

PRIMARY

CLARIFIER NO. 3

SOLIDS

PROCESS

BUILDING

OPERATIONS

BUILDING

2N

D A

VE

SO

UT

H

EX ENTRANCE

EX FLOW

SPLITTER BOX

EX UNDERGROUND

FUEL STORAGE TANK

ED

MO

ND

S W

AY

FE

RR

Y T

ER

MIN

AL

LA

NE

S

HIGH VISIBILITY FENCE,

TYP, PER DETAIL 4/EC-2

TRENCH DRAIN SILT FILTER,

PER DETAIL 3/EC-2

INLET PROTECTION, TYP

PER DETAIL 2/EC-2

FILTER FABRIC

FENCE, TYP,

PER DETAIL 1/EC-2

ALDER STREETREPLACE REMOVED

SHRUBS/TREES IN KIND PROTECT EXISTING

VEGETATION TO THE

EXTENT PRACTICAL.

REPLACE REMOVED

SHRUBS/TREES IN KIND

115-FOOT BUFFER

FROM WETLAND

DELINEATION

WETLAND

DELINEATION BY

KPG MARCH 2021

EC-1

16

P20-10570_EC-1

TESC PLAN

1" = 20'-0"

R. Ochiltree, P.E.

P. Simon

G. Mockos, P.E.


Drawing:

Sheet:

File:

Date:

of

April 2021



114


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Attachment 4

kjohns

Stamp

PRIMARY

CLARIFIER

NO. 2

PRIMARY

CLARIFIER

NO. 1HEADWORKS

BUILDING

RAW SLUDGE

PUMPING STATION

(BELOW)

PRIMARY

CLARIFIER

NO. 3

SOLIDS

PROCESS

BUILDING

OPERATIONS

BUILDING

2N

D A

VE

SO

UT

H

EX ENTRANCE

FLOW SPLITTER BOX

4

3

3

5

2

1

PROPERTY

LINE

SEE DWG D-2

8

SEE DWG'S D-2, D-3 AND

D-4 FOR SOLIDS

PROCESS BUILDING

DEMOLITION PLANS

10

SEE DWG D-5 FOR

HEADWORKS BUILDING

DEMOLITION PLAN AND

SECTIONS

12

13

11

15

14

1676

3

17

9

4

D-1

18

P20-10570_D-1

SITE DEMOLITION

PLAN

1" = 20'-0"

G. Mockos, P.E.

S. Olsoe

R. Dorn, P.E.

NOTES:

1. CONTRACTOR SHALL PREPARE CONSTRUCTION

SEQUENCING PLAN FOR REVIEW AND APPROVAL BY

THE OWNER AND ENGINEER.

2. CONTRACTOR SHALL PREPARE DEMOLITION PLAN

FOR REVIEW AND APPROVAL BY THE OWNER AND

ENGINEER.

3. CONTRACTOR SHALL STAGE, SEQUENCE, AND

PERFORM DEMOLITION ACTIVITIES TO ALLOW FOR

THE UNINTERRUPTED OPERATION, MAINTENANCE,

AND ACCESS OF THE WWTP PROCESSES BY WWTP

OPERATORS AND STAFF.

4. PIPE REMOVAL SHALL BE TO THE NEAREST FITTING.

CONTRACTOR SHALL NOT CUT PIPE WHEN

REMOVING PIPING. BLIND FLANGE PIPING

DEAD-ENDS.

5. LOCATIONS AND SIZES OF EXISTING PIPING,

UTILITIES AND EQUIPMENT ARE APPROXIMATE.

CONTRACTOR SHALL FIELD VERIFY PIPING AND

EQUIPMENT LOCATIONS AND DIMENSIONS SHOWN

PRIOR TO CONSTRUCTION.

6. CONTRACTOR IS RESPONSIBLE FOR DAMAGE TO

EXISTING FEATURES, PIPING, UTILITIES, AND

EQUIPMENT NOT DESIGNATED FOR DEMOLITION OR

REMOVAL.

7. CONTRACTOR SHALL COORDINATE WITH OWNER

FOR THE STAGING OF REMOVED PIPING AND

EQUIPMENT PRIOR TO OFFSITE DISPOSAL.

8. WHERE PIPING TO BE DEMOLISHED IS SUPPORTED

ON WALLS OR HUNG FROM CEILING, REMOVE

PIPING SUPPORTS AND CUT ANCHOR BOLTS FLUSH

WITH WALL.

9. DEMOLISH PIPE/EQUIPMENT SUPPORTS PER DETAIL

1/D-6.

10. PROTECT FLOOR DRAINS DURING CONSTRUCTION.

PREVENT DEBRIS FROM ENTERING DRAINS.

SHOULD DEBRIS ENTER DRAINS, CONTRACTOR

SHALL REMOVE ANY OBSTRUCTIONS IN THE DRAINS

AND FLUSH ALL DRAINS WITH NON-POTABLE

WATER.

11. WHERE POWERED EQUIPMENT IS REMOVED,

REMOVE EQUIPMENT CONTROL PANEL, REMOVE

ELECTRICAL WIRING BACK TO SOURCE, AND

REMOVE CONDUIT IN ITS ENTIRETY. REMOVE

UTILITY, CONNECTIONS, IF ANY, TO NEAREST

SHUT-OFF, FIELD LOCATE EXTENTS.

12. OWNER WILL TAG EQUIPMENT FOR SALVAGE BY

THE CONTRACTOR. CONTRACTOR SHALL

COORDINATE SALVAGE EQUIPMENT STORAGE

LOCATION WITH OWNER.

13. CONTRACTOR SHALL PREPARE DETAILED PLAN FOR

STAGING AND ACCESS INCLUDING DEMOLITION AND

GRADING REQUIREMENTS FOR INDICATED AREA.

STAGING AND ACCESS PLAN SHALL BE REVIEWED

AND APPROVED BY OWNER AND ENGINEER PRIOR

TO DEMOLITION AND CONSTRUCTION.

14. ALL UNUSED WALL AND FLOOR PENETRATIONS

BETWEEN CLASS II DIVISION 2 AND NON-CLASSIFIED

AREAS (AS DEFINED ON GENERAL DRAWINGS)

SHALL BE FILLED WITH NON-SHRINK GROUT, OR

APPROVED EQUAL. DEMOLISH PIPE/ WALL

PENETRATIONS PER DETAIL 3/D-6. DEMOLISH PIPE/

FLOOR PENETRATIONS PER DETAIL 4/D-6.

15. DEMOLISH EXISTING CONCRETE PADS AND/ OR

CURBS PER DETAIL 2/D-6.

CONSTRUCTION NOTES:

UNDERGROUND FUEL STORAGE TANK SLAB. PROTECT

DURING DEMOLITION AND CONSTRUCTION ACTIVITIES.

OPERATION OF FUEL STORAGE TANK AND FUEL

SUPPLY TO WWTP EMERGENCY BACKUP GENERATOR

SHALL BE UNINTERRUPTED DURING DEMOLITION AND

CONSTRUCTION. WHILE INCINERATOR IS IN

OPERATION, FUEL STORAGE TANK AND FUEL SUPPLY

TO INCINERATOR SHALL BE UNINTERRUPTED DURING

DEMOLITION AND CONSTRUCTION.

REMOVE EXISTING SLUDGE TRANSFER PUMP AND

ASSOCIATED PIPING AND ELECTRICAL AND CONTROLS.

REMOVE EXISTING WOOD STRUCTURE ENCLOSING

THE SLUDGE TRANSFER PUMP AND ASSOCIATED

ELECTRICAL. RELOCATE CAUSTIC CHEMICAL PUMP

AND ASSOCIATED ELECTRICAL AND PIPING PRIOR TO

DEMOLITION.

SAWCUT EXISTING SIDEWALK.

REMOVE EXISTING CONCRETE SIDEWALK IN ITS

ENTIRETY.

REMOVE EXISTING CONCRETE WALL AND FOOTING IN

ITS ENTIRETY.

PROTECT EXISTING 24" INFLUENT PIPES (TYP OF 2)

DURING DEMOLITION AND CONSTRUCTION. INFLUENT

PIPES SHALL REMAIN IN UNINTERRUPTED OPERATION

DURING DEMOLITION AND CONSTRUCTION ACTIVITIES.

WHEN EXCAVATING NEAR INFLUENT PIPES, DO NOT

DISTURB PIPE BEDDING AND/OR PROVIDE TEMPORARY

PIPE SUPPORTS TO PREVENT PIPE MOVEMENT

AND/OR DEFLECTION TO LESS THAN 1 INCH OVER

ENTIRE LENGTH OF PIPE. TEMPORARY PIPE

SUPPORTS MAY NOT BE SACRIFICIAL AND MUST BE

REMOVED UPON CONSTRUCTION COMPLETION.

PROTECT 24" FA DUCT.

PROTECT EXISTING SCUM PIT LID AND ACCESS HATCH.

CONTRACTOR SHALL PREPARE DETAILED PLAN FOR

STAGING AND ACCESS INCLUDING DEMOLITION AND

GRADING REQUIREMENTS FOR INDICATED AREA.

STAGING AND ACCESS PLAN SHALL BE REVIEWED AND

APPROVED BY OWNER AND ENGINEER PRIOR TO

DEMOLITION AND CONSTRUCTION.

PROTECT EXISTING BURIED FA DUCT, DUCT

APPURTENANCES, DUCT FITTINGS, AND DUCT

SUPPORTS.

PROTECT EXISTING 4" SCREENINGS PIPE IN PLACE.

ABANDON EXISTING 2" CS LINE IN PLACE WHERE IT

DOES NOT CONFLICT WITH NEW CONSTRUCTION.

WHERE IT CONFLICTS WITH NEW CONSTRUCTION,

REMOVE 2" CS LINE.

REMOVE EXISTING MANWAY ACCESS RISER TO

BURIED TEE. INSTALL GASKETED BLIND FLANGE AT

BURIED TEE ONCE RISER IS REMOVED.

REMOVE SECTION OF EXISTING FA DUCT TO INSTALL

NEW TEE PER MECHANICAL.

EXISTING 10'-10" DIAMETER HEAT TRACED AND

INSULATED CAUSTIC CHEMICAL STORAGE TANK ON

CASTIN PLACE SLAB (11' x 11'), TOS ELEVATION 17.33.

PROTECT TANK AND SLAB DURING DEMOLITION.

COORDINATE RELOCATION OF PIPING AND

ELECTRICAL PER CONSTRUCTION NOTE 2.

SAWCUT AND REMOVE SECTION OF EXISTING

CAST-IN-PLACE WALL PER DWGS M-2 AND M-3.

1

2

4

5

3

6

7

8


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9

10

11

12

13

14

15

16

17

Attachment 4

kjohns

Stamp

AM-12SCALE: 3/8" = 1'-0"

SECTION

EX EL 5.31

C/L EL 13.31

IE 15.67

4" DS

DI

1'-3"

MIN

2'-6"

MIN

6" TEE

EX 6" DS

4" x 3"

CONCENTRIC

REDUCER

4" x 2" COMPANION

FLANGE WITH 2" 316

SST BALL VALVE

WAT-610

6" x 4" ECCENTRIC

REDUCER

CONNECT TO

EX 6" WAT-610

SUCTION

EX 6" DS

EX WAS

TANK

2'-8"

7'-3"

DM

FM

3" DS

DI

FM-60454

DM-60332

2

1

ADD ALTERNATE #13

WEST

AM-14SCALE: 3/8" = 1'-0"

ELEVATION

EX EL 18.81±

EX EL 24.81±

TOP OF EX

PARAPET

EL 37.31

ACF9

EL 19.81±

EL 30.17±

20" ACF DUCT

SLOPEEL 34.18±

EL 32.52±

8

6

7

20" ACF DUCT 7 10

ADD ALTERNATE #2

5'-1" 13'-1" 10'-4"

EL 28.94±EL 28.94±

4'-6"

SLOPE

8


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M-15

73

P20-10570_M-15

SOLIDS PROCESSING BUILDING

DEWATERING ROOM SECTIONS

3/8" = 1'-0"

G. Mockos, P.E.

S. Olsoe

R. Dorn, P.E.

NOTES:

1. REFER TO DWG M-1 FOR GENERAL MECHANICAL NOTES.

2. ECOREMEDY EQUIPMENT SHOWN AS EX PER CLARITY.

REFER TO ECOREMEDY DESIGN FOR LAYOUT OF

EQUIPMENT, EQUIPMENT SIZING, ANCHORING, AND

CONNECTION LOCATIONS.

CONSTRUCTION NOTES:

SUPPORT PIPE PER DWG G-10.

INSTALL HACH SOLITAC SC SENSOR TSS METER. INSTALL SENSOR PER

MANUFACTURER INSTRUCTIONS. INSTALL METER PER VERTICAL MOUNTING

DETAIL BY MANUFACTURER.

INSTALL SC200 CONTROLLER ON ADJACENT WALL AT ELEVATION 8.50.

INSTALL BADGER MODMAG M2000 MAGNETIC FLOW METER PER

MANUFACTURER INSTRUCTIONS AND DETAIL 1/M-19.

INSTALL CONTROLLER ON ADJACENT WALL AT ELEVATION 8.50.

AFC EQUIPMENT PAD PER STRUCTURAL.

INSTALL AND SUPPORT ACF DUCT PER DUCT MANUFACTURER REQUIREMENTS.

DUCT SHALL NOT BE INSTALLED TO BUILDING EXTERIOR.

INSTALL CONDENSATE DRAIN PER DETAIL 1/M-16.

INSTALL ACF PER ACF MANUFACTURER REQUIREMENTS.

MINIMUM SLOPE 2% TOWARD CONDENSATE DRAIN.

1

2

3

4

5

6

7

8

9

10

ADD ALTERNATE #13

ADD ALTERNATE #2

Attachment 4

kjohns

Stamp

PRIMARY

CLARIFIER

NO. 2

PRIMARY

CLARIFIER

NO. 1 HEADWORKS

BUILDING

RAW SLUDGE

PUMPING STATION

(BELOW)

PRIMARY

CLARIFIER

NO. 3

SOLIDS PROCESS

BUILDING

OPERATIONS

BUILDING

2N

D A

VE

SO

UT

H

1" PRMC,

12 #14 &

1" PRMC,

1 - CAT6

ED

MO

ND

S W

AY

FE

RR

Y T

ER

MIN

AL

LA

NE

S

EX UNDERGROUND

FUEL STORAGE TANK

1

FINAL

CLARIFIER

NO. 3

FINAL

CLARIFIER

NO. 1

AERATION BASINS

BLOWER BUILDINGA SIDE

EX SWBD

301

EX POWER PULL HOLE

3

60

GASSIFICATION

CONTROL PANEL

(GASIFIER ROOM)

EX PLANT

CONTROL PANEL

PLC-601

SCREEN

WASHER/COMPACTOR

CONTROL PANEL

1

EX HEADWORKS

CONTROL PANEL

PLC-1011

ODOR

CONTROL

FAN

3"PRMC,

3-250KCMIL

& 1#4GODOR

CONTROL

PANEL

EX MOTOR

CONTROL CENTER

MCC-601A

EX MOTOR CONTROL

CENTER MCC-601B

B SIDE

EX 3 - 4" RMC 3 SETS

3 - 600 KCMIL & 1 - 2/0 AWG G

EX BUILDING FEEDER

TAP BLOCK (SOLID

HANDLING ROOM)

SEE DWGS E-9, E-10,

E-11, E-12 AND E-13

HYDRAULIC POWER

UNIT HPU-623,

GASIFIER ROOM

SEE DWG E-5

SEE DWG E-14

EX MCC-101A

EX MCC-101

EX MCC-102

SEE DWG E-6

ACTIVE CARBON

FILTER, SEE MECH

HH

+8'-0"

ABOVE

TUNNEL

HH

+8'-0"

ABOVE

TUNNEL

E-3

102

P20-10570_E-3

ELECTRICAL SITE PLAN

1" = 20'-0"

N. Palmatier, P.E.

S. Olsoe

G. Mockos, P.E.

CONSTRUCTION NOTES:

PROVIDE 6ST-OM4 FIBER AND 2-CAT6 CABLES.TERMINATE FIBER IN FIBER PATCH PANEL.

1


Drawing:

Sheet:

File:

Date:

of

April 2021



114


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Scale:


Checked:

Designed:


BHC Consultants, LLC1601 Fifth Avenue, Suite 500Seattle, Washington 98101


Attachment 4

kjohns

Stamp

edmonds wwtp carbon recovery

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