PLANS_Filter Media Replacement & Improvements_Apr 2026_d.pdf

SCALE = 1" = 2,000'

VICINITY MAP

NO.

DRAWING TITLE

COVER SHEET & DRAWING INDEX

GLOUCESTER COUNTY, VIRGINIA

SURFACE WATER TREATMENT PLANT

FILTER MEDIA REPLACEMENT & IMPROVEMENTS

712 GUM ROCK COURT - NEWPORT NEWS, VA 23606

PHONE: (757) 873-1534 FAX: (757) 873-2392

SCALE = 1" = 100'

LOCATION MAP

RO TREATMENT BUILDING

BEAVERDAM

RESERVOIR

GLOUCESTER COUNTY

SWTP

COVER

C1.0 FILTER BASIN PLAN & SECTIONS - DEMOLITION

C1.1

POTENTIAL MEDIA REMOVAL /

INSTALLATION OPERATIONS

POTENTIAL OUTDOOR

STORAGE AREA SECURITY ACCESS GATE

C0.1 BUILDING LAYOUTS, POTENTIAL CONTRACTOR STORAGE, AND SOC

SURFACE WATER TREATMENT PLANT

(SEE SHEET C0.1 FOR ADDITIONAL INFO)

POTENTIAL INDOOR STORAGE AREA

(SEE SHEET C0.1 FOR ADDITIONAL INFO)

GENERAL NOTES

CONTRACTOR MAY UTILIZE EXISTING POWER SOURCES AND WATER SUPPLIES AT THE WATER TREATMENT PLANT FOR WORK

AREAS. CONFIRM CONNECTIONS WITH OWNER PRIOR TO BEGINNING WORK.

ALL REMOVED EQUIPMENT AND MATERIALS SHALL BE PROPERLY DISPOSED OF OFF-SITE BY THE CONTRACTOR.

OWNER MAY HAVE AVAILABLE INDOOR STORAGE SPACE FOR SOME EQUIPMENT AND MATERIALS (SEE SHEET C0.1).

CONTRACTOR SHALL BE PREPARED AND RESPONSIBLE FOR ADDITIONAL STORAGE AS NEEDED FOR THEIR WORK. INDOOR STORAGE SPACE IS LIMITED AND SUBJECT TO PLANT OPERATIONS AND MAINTENANCE AS WELL AS OTHER WORK THAT MAY

BE OCCURRING BY OTHER CONTRACTORS (SEPARATE PROJECTS/CONTRACTS).

CONTRACTOR SHALL COORDINATE AND SCHEDULE WITH OWNER AND ENGINEER AT LEAST 72 HOURS IN ADVANCE OF FILTER BACKWASHING. THE WATER PLANT HAS A LIMITED VOLUME OF WATER STORAGE ON-SITE, SO ADVANCED NOTICE IS REQUIRED TO ENSURE THE PLANT STAFF HAS SUFFICIENT WATER AVAILABLE FOR BACKWASHING FILTERS. WITH A LIMITED VOLUME OF WATER AVAILABLE, CONTRACTOR SHALL WORK WITH OWNER AND ENGINEER TO DEVELOP A PLAN FOR

SUSTAINING PLANT OPERATIONS AND TO MEET THE NEEDS FOR FILTER BACKWASHING.

THE GLOUCESTER COUNTY WATER TREATMENT PLANT TYPICALLY OPERATES FROM 6:00AM TO 10:00PM DAILY. THE CONTRACTOR SHALL ADVISE ON THEIR NORMAL WORKING HOURS AT THE PRE-CONSTRUCTION CONFERENCE. SUBJECT TO APPROVAL BY THE OWNER, THE CONTRACTOR MAY MAKE A WRITTEN REQUEST AT LEAST 72 HOURS IN ADVANCE TO THE

OWNER AND ENGINEER TO WORK OUTSIDE OF THE OWNER'S NORMAL WORKING HOURS.

POTENTIAL OUTDOOR STORAGE AND MEDIA/REMOVAL/OPERATIONS AREAS IN UNPAVED AREAS ARE KNOWN TO BE WET.

CONTRACTOR SHALL VERIFY SITE CONDITIONS IN ADVANCE OF BID AND PROVIDE TEMPORARY MATTING OR OTHER SUPPORT SUITABLE FOR CONTRACTOR'S WORK. CONTRACTOR MAY ALSO BE ABLE TO USE A PORTION OF THE PAVED AREAS ADJACENT TO THE PLANT, SUBJECT TO OWNER APPROVAL AND THEIR ABILITY TO MAINTAIN ACCESS AND MANEUVERABILITY FOR PLANT

DELIVERIES AND OPERATIONS.

PLANT STAFF SHALL OPERATE ALL VALVES.

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6.

7.

IFB# 26-022-CJ

APRIL 2026

FILTER BASIN PLAN & SECTIONS - NEW WORK

4/13/2026

PUBLIC UTILITIES DEPARTMENT

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712 GUM ROCK COURT - NEWPORT NEWS, VA 23606

PHONE: (757) 873-1534 FAX: (757) 873-2392

EPS

GLOUCESTER COUNTY, VIRGINIA APR 2026

10015SURFACE WATER TREATMENT PLANT

FILTER MEDIA REPLACEMENT & IMPROVEMENTS

BUILDING LAYOUTS,

C0.1

POTENTIAL CONTRACTOR

STORAGE AREA

12' H x 16' W ROLL-UP DOOR

POTENTIAL CONTRACTOR STORAGE, AND SOC

SEQUENCE OF CONSTRUCTION (SOC)

SUBJECT TO OWNER AND ENGINEER APPROVAL, CONTRACTOR MAY PROPOSE MODIFICATIONS TO THE SEQUENCE OF

CONSTRUCTION OR PORTIONS THEREOF.

MAINTAINING PLANT OPERATIONS IS CRITICAL AND ANY PLANNED SHUTDOWN OR IMPACT TO OPERATIONS MUST BE COORDINATED WITH OWNER AT LEAST 72 HOURS IN ADVANCE IN WRITING (E-MAIL ACCEPTABLE) AND WITH THE PLANT SUPERVISOR OR LEAD OPERATOR AT PH: 804-693-1484. EMERGENCY OR INADVERTENT IMPACTS TO OPERATIONS REQUIRES IMMEDIATE NOTICE TO PLANT STAFF AND IMMEDIATE CONTRACTOR RESPONSE TO RESTORE OPERATIONS.

WHEN READY TO BEGIN WORK (ALL EQUIPMENT, MATERIALS, TOOLS, ETC. ARE ON-HAND AND EQUIPMENT HAS BEEN PRE-ASSEMBLED TO THE GREATEST EXTENT POSSIBLE) AND SHUTDOWN COORDINATED AND SCHEDULED WITH OWNER. THE OWNER WILL INSPECT THE PRE-ASSEMBLED MATERIALS AND EQUIPMENT PRIOR TO BEGINNING WORK.

OWNER WILL LOWER THE WATER ELEVATIONS IN THE CLARIFIER BASINS. CONTRACTOR SHALL INSTALL THE STOP GATE SYSTEMS FOR BOTH CLARIFIER EFFLUENT CHANNELS. CONTRACTOR SHALL REMOVE AND REPLACE THE FOUR (4) MUD

VALVES IN THE COMBINED CLARIFIER EFFLUENT FLUME.

LEAVE THE STOP GATE IN FOR CLARIFIER NO. 1 AND CLOSE THE MUD VALVES FOR FILTER BASIN NO. 1.

REMOVE THE STOP GATE FOR CLARIFIER NO. 2 AND OPEN THE MUD VALVES FOR FILTER BASIN NO. 2.

OWNER WILL DRAIN FILTER BASIN NO.1.

TEST FILTER BASIN MUD VALVES FOR LEAKAGE BY OPENING THE 18-IN FILTER INFLUENT VALVE. IF LEAKAGE, THEN CLOSE THE FILTER INFLUENT VALVE AND ADDRESS MUD VALVE LEAKS UNTIL THEY ARE REPAIRED (I.E., NO WATER COMING THROUGH

THE 18-IN VALVE WHEN OPEN).

CLOSE THE 18-IN VALVE BEFORE PROCEEDING.

REMOVE THE SURFACE SWEEP AGITATOR ARM ASSEMBLY FROM FILTER BASIN.

BASED ON SUBMITTAL REVIEWED BY OWNER, ESTABLISH ACCEPTED SETUP AND PROCEDURES FOR FILTER MEDIA REMOVAL

OPERATIONS IN FILTER BASIN. COMMENCE WITH REMOVAL OPERATIONS.

WHEN FULLY REMOVED, THE COUNTY AND CONTRACTOR WILL INSPECT FILTER BASIN CONCRETE SURFACES AND WHEELER

BOTTOM UNDERDRAINS FOR CRACKS AND OTHER CONDITIONS THAT MAY REQUIRE REPAIR.

INSTALL NEW PORCELAIN SPHERES FOR WHEELER BOTTOM UNDERDRAIN SYSTEM IN ALL PYRAMIDS. INSPECT INSTALLATION.

WHEN ACCEPTED, PROCEED WITH FILTER MEDIA INSTALLATION.

BASED ON SUBMITTAL REVIEWED BY OWNER, ESTABLISH ACCEPTED SETUP AND PROCEDURES FOR FILTER MEDIA INSTALLATION OPERATIONS. COMMENCE WITH INSTALLATION OPERATIONS. REFER TO TECHNICAL SPECIFICATIONS FOR

ADDITIONAL INFORMATION AND DETAILS.

INSTALL NEW SURFACE SWEEP AGITATOR ARM ASSEMBLY IN FILTER BASIN.

REMOVE AND REPLACE FILTER INFLUENT VALVE AND ACTUATOR SYSTEM FOR FILTER BASIN (18-IN FL BUTTERFLY VALVE).

TEST FOR LEAKAGE BY OPENING ONE OF THE FILTER BASIN MUD VALVES WITH THE 18-IN VALVE CLOSED. IF LEAKAGE, CLOSE THE MUD VALVE AND ADDRESS THE 18-IN VALVE LEAK UNTIL REPAIRED (I.E., NO WATER COMING THROUGH THE 18-IN VALVE

WHEN CLOSED).

OWNER WILL TEST FILTER OPERATIONS WITH NEW MEDIA, FILTER INFLUENT VALVE, AND SURFACE SWEEP AGITATOR ARM ASSEMBLY. SUCH TESTS WILL INCLUDE INSPECTIONS, FUNCTIONAL OPERATIONS, AND EFFLUENT WATER MEETING ALL

REQUIRED STANDARDS.

UPON ACCEPTANCE OF THE FILTER NO. 1 WORK, OWNER WILL CONFIRM CONTRACTOR MAY COMMENCE WITH FILTER NO. 2

WORK.

PLACE STOP GATE FOR CLARIFIER NO. 2.

OWNER WILL DRAIN FILTER BASIN NO. 2.

REPEAT TASKS 6 THRU 15 ABOVE.

UPON ACCEPTANCE OF FILTER NO. 2 WORK, CONTRACTOR SHALL COMMENCE WITH CLEANUP AND DEMOBILIZATION.

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15.

MCC

CONSTRUCTION NOTES

OWNER MAY HAVE AVAILABLE INDOOR STORAGE SPACE FOR SOME EQUIPMENT AND MATERIALS IN THE EXISTING R.O.

TREATMENT BUILDING. CONTRACTOR SHALL BE PREPARED AND RESPONSIBLE FOR ADDITIONAL STORAGE AS NEEDED FOR THEIR WORK. INDOOR STORAGE SPACE IS LIMITED AND SUBJECT TO PLANT OPERATIONS AND MAINTENANCE AS WELL AS OTHER WORK THAT MAY BE OCCURRING BY OTHER CONTRACTORS (SEPARATE PROJECTS/CONTRACTS).

COORDINATE USE OF ELEVATOR WITH PLANT STAFF, IF NEEDED. MAX WEIGHT FOR ELEVATOR IS 4,000 LBS.

R.O. TREATMENT BUILDING

N.T.S.

(MAX FLOOR LOAD: 100 PSF) (MAX FLOOR LOAD: 100 PSF)N.T.S. N.T.S.

EXT

DOOR

ELEV

2 DBL

DOORS

DBL

DOORS

STAIRS

STAIRS

ELEV

FILTER

No. 1

FILTER

No.

EXT

DOOR

SWTP FIRST FLOOR PLAN (FLR. EL. 67.50'±) SWTP SECOND FLOOR PLAN (FLR. EL. 82.84'±)

FILTER CONSOLE

PANEL Q1

PANEL Q1

(EXISTING LOCATION)

(PROPOSED

NEW LOCATION)

4/13/2026

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SCALE: 1/4" = 1'-0"

EL. 82.83'

24"

12" 12"

5'-5"

2"

13'-6"

CONCRETE

BEAM

9'-0"± CEILING

11'-0"±

WHEELER BOTTOM

UNDERDRAIN (TO REMAIN)

CLARIFIER NO. 1

PUBLIC UTILITIES DEPARTMENT

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712 GUM ROCK COURT - NEWPORT NEWS, VA 23606

PHONE: (757) 873-1534 FAX: (757) 873-2392

EPS

GLOUCESTER COUNTY, VIRGINIA APR 2026

10015

C1.0 C1.0

SURFACE WATER TREATMENT PLANT

FILTER MEDIA REPLACEMENT & IMPROVEMENTS

FILTER BASIN PLAN & SECTIONS - DEMOLITION

PLAN VIEW - DEMO

TYP OF 2 CHANNEL SECTION - DEMO

SCALE: 3/16" = 1'-0"

SCALE: 1/4" = 1'-0" SCALE: 1/4" = 1'-0"

C1.0 C1.0

W.L. EL. 81.58'

LC EL. 74.83'

EL. 82.83'

EL. 79.83'

EL. 70.83'

HANDRAIL, TYP.

FILTER GULLET NO. 1

FILTER GULLET NO. 2

24" DIA. MH FRAME & COVER FOR

ACCESS TO MUD VALVES, TYP.

(EXISTING, TO REMAIN)

CLARIFIER NO. 2

HANDRAIL

ANTHRACITE

SAND

GRAVEL

FILTER NO. 1

FILTER NO. 2

C1.0

C1.0 C1.0

C1.0 C1.0

DEMOLITION NOTES

REMOVE EXISTING 14-IN MUD VALVE, EXTENDED SHAFT WITH 2-IN SQ OPERATING NUT. EXISTING FLOOR BOX AND FLOOR OPENING TO REMAIN. CLEAN/PREP FOR NEW MUD VALVE INSTALLATION. (QTY: 4)

REMOVE EXISTING 18-IN FL BUTTERFLY VALVE. REMOVE EXISTING SHAFT, SUPPORTS, AND HYDRAULIC ACTUATOR AND PEDESTAL. PREP/CLEAN EXISTING FLANGE TO INSTALL NEW VALVE. (QTY: 2) EXISTING

HOLE IN CONCRETE FLOOR SLAB TO REMAIN.

REMOVE EXISTING SURFACE SWEEP AGITATOR ARM ASSEMBLY UP TO JOINT CONNECTION TO WATER

LINE. CLEAN/PREP CONNECTION FOR NEW SURFACE AGITATOR ARM ASSEMBLY (QTY: 2)

REMOVE EXISTING FILTER MEDIA (24-IN ANTHRACITE, 12-IN SILICA SAND, 12-IN GRAVEL). CONTRACTOR SHALL BE RESPONSIBLE FOR THE MEANS & METHODS FOR THE REMOVAL OF THE FILTER MEDIA.

CONTRACTOR SHALL PROVIDE A WRITTEN PLAN FOR THE FILTER MEDIA REMOVAL (AND INSTALLATION) OPERATIONS. OWNER AND ENGINEER WILL REVIEW TO CONFIRM THE OPERATIONS DO NOT NEGATIVELY IMPACT ON-GOING PLANT OPERATIONS. CONTRACTOR SHALL COORDINATE AND SCHEDULE WITH THE OWNER AND ENGINEER WHEN READY TO COMMENCE WITH THE REMOVAL OPERATIONS. (QTY: 2 FILTERS)

REMOVE ALL EXISTING PORCELAIN SPHERES FROM WHEELER BOTTOM UNDERDRAIN.

UNLESS OTHERWISE APPROVED BY THE OWNER, ONLY ONE FILTER BASIN SHALL BE WORKED ON AT ANY GIVEN TIME. WHEN THE WORK FOR FIRST FILTER IS COMPLETE, ACCEPTED BY THE OWNER AND ENGINEER, AND PLACED BACK INTO REGULAR SERVICE, THEN THE CONTRACTOR SHALL BE ALLOWED TO

COMMENCE WITH WORK ON THE SECOND FILTER.

SEE ENLARGED VIEW OF WHEELER BOTTOM UNDERDRAINS AND ARRANGEMENT OF PORCELAIN SPHERES

ON SHEET C1.1.

DISCONNECT CONTROL/SIGNAL WIRING FROM CONTROLLER ON TOP OF VALVE ACTUATOR. MAINTAIN CONDUIT AND WIRING CONNECTED TO THE EXISTING FILTER CONSOLE AND CONNECT TO NEW ELECTRIC

VALVE ACTUATOR.

FOR THE FILTER BASIN OUT OF SERVICE ONLY, CLOSE THE SHUT-OFF VALVE TO THE HYDRAULIC (WATER) ACTUATOR FOR THAT INFLUENT FILTER VALVE. CONFIRM WITH PLANT STAFF. WHEN WORK FOR THE NEW VALVE ACTUATOR IS COMPLETE, DISCONNECT AND REMOVE WATER PIPING, HOSING, FITTINGS, AND

APPURTENANCES UP TO THE SHUT-OFF VALVE.

REMOVE 14" MUD VALVE WITH

EXTENDED SHAFT AND 2" SQ.

OPERATING NUT, TYP. OF 4

REMOVE 18" FL BUTTERFLY

VALVE TYP. OF 2

FILTER BASIN SECTION - DEMO, CLARIFIER EFFLUENT

13'-6"

13-6"

13-6"

HA

FILTER GULLET

FILTER GULLET

2CLARIFIER

FILTER

CONSOLE

4/13/2026

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SCALE: 1/4" = 1'-0"

1.25"1.25"1.25"

1.25" 1.25"

1.25"1.25"1.25"

1 3/8"

1.25"1.25"1.25"

3"3"

3" 3"

3"

3"3"

P

YR

AM

ID

S

" O

.C

'-9

2"

2"13 PYRAMIDS 12" O.C.

12'-9" 13'-6"

2'-0"2'-0"

EL. 82.83'

5'-5"

2"

13'-6"

FILTER NO. 2

FILTER NO. 1

CONCRETE

BEAM

9'-0"± CEILING

11'-0"±

PUBLIC UTILITIES DEPARTMENT

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712 GUM ROCK COURT - NEWPORT NEWS, VA 23606

PHONE: (757) 873-1534 FAX: (757) 873-2392

EPS

GLOUCESTER COUNTY, VIRGINIA APR 2026

10015SURFACE WATER TREATMENT PLANT

FILTER MEDIA REPLACEMENT & IMPROVEMENTS

FILTER BASIN PLAN & SECTIONS - NEW WORK

WHEELER BOTTOM PYRAMID

SCALE: 6" = 1'-0"

C1.1

3/4" SQ

5 1/2"

9"

9"

EACH PYRAMID HAS:

5 x 3" SPHERES 8 x 1 1/4" SPHERES 1 x 1 3/8" SPHERES

(TYP OF 2)

SCALE: 1/4" = 1'-0"

W.L. EL. 81.58'

EL. 82.83'

SECTION - NEW WORK

SCALE: 1/2" = 1'-0"

CLARIFIER NO. 1 CLARIFIER NO. 2

24" W x 32" H ALUMINUM STOP GATE, CHANNEL MOUNTED, TYP. OF 2

(SEE STOP GATE DETAILS ABOVE)

HANDRAIL, TYP.

12" COLLECTION

LATERAL, TYP.

6 6

C1.0 C1.1

WHEELER UNDERDRAIN FILTER BOTTOMENLARGED PLAN & SECTION OF TYPICAL CLARIFIER EFFLUENT CHANNEL

STOP GATE DETAILS

N.T.S.

ANTHRACITE

SAND

GRAVEL

CLARIFIER NO. 1

CLARIFIER NO. 2

24"

12" 12"

W.L. EL. 81.58'

C1.0 C1.0

GRATING4

C1.0 C1.0

PLAN VIEW - NEW WORK

NEW WORK, TYP OF 2 SECTION - NEW WORK

SCALE: 1/4" = 1'-0"SCALE: 1/4" = 1'-0"

SCALE: 3/16" = 1'-0"

FILTER GULLET NO. 1

FILTER GULLET NO. 2

C1.0 C1.0

LC EL. 74.83'

EL. 82.83'

EL. 79.83'

EL. 70.83'

HANDRAIL

18"±

HANDRAIL

24" W x 32" H ALUMINUM STOP GATE, CHANNEL MOUNTED, TYP. OF 2

24" W x 22" H ALUMINUM

STOP GATE, CHANNEL

MOUNTED, TYP. OF 2

(SEE DETAILS ON

SHEET C1.1)

C1.0 C1.0

C1.0 C1.0

1 2

NEW WORK NOTES

INSTALL NEW 14-IN MUD VALVE, EXTENDED SHAFT WITH 2-IN SQ

OPERATING NUT. INSTALL IN SAME LOCATION AS REMOVED MUD

VALVE UTILIZING EXISTING FLOOR BOX AND FLOOR OPENING.

(QTY: 4)

INSTALL NEW 18-IN FL BUTTERFLY VALVE ALONG WITH NEW SHAFT

AND SUPPORTS AS WELL AS A NEW ELECTRIC MOTOR ACTUATOR

WITH PEDESTAL SUPPORT (QTY: 2) USE EXISTING HOLE IN

CONCRETE FLOOR SLAB TO CONNECT SHAFT TO ACTUATOR AND

VALVE.

INSTALL NEW PORCELAIN SPHERES FOR THE WHEELER BOTTOM

UNDERDRAINS.

INSTALL NEW FILTER MEDIA (24-IN ANTHRACITE, 12-IN SILICA SAND,

12-IN GRAVEL). CONTRACTOR SHALL BE RESPONSIBLE FOR THE

MEANS & METHODS FOR THE INSTALLATION OF THE FILTER MEDIA.

CONTRACTOR SHALL PROVIDE A WRITTEN PLAN FOR THE FILTER

MEDIA INSTALLATION OPERATIONS. OWNER AND ENGINEER WILL

REVIEW TO CONFIRM THE OPERATIONS DO NOT NEGATIVELY

IMPACT ON-GOING PLANT OPERATIONS. CONTRACTOR SHALL

COORDINATE AND SCHEDULE WITH THE OWNER AND ENGINEER

WHEN READY TO COMMENCE WITH THE INSTALLATION

OPERATIONS. (QTY: 2 FILTERS)

INSTALL NEW SURFACE SWEEP AGITATOR ARM ASSEMBLY.

CONTRACTOR SHALL FURNISH & INSTALL THE MATERIALS AND

APPURTENANCES NECESSARY TO COMPLETE THE CONNECTION

AND INSTALLATION.

CONTRACTOR SHALL FURNISH & INSTALL A NEW

CHANNEL-MOUNTED ALUMINUM STOP GATE SYSTEM (24-IN WIDE X

32-IN HIGH) IN EACH CLARIFIER EFFLUENT FLUME. CONTRACTOR

SHALL FURNISH & INSTALL THE MATERIALS AND APPURTENANCES

NECESSARY TO COMPLETE THE INSTALLATION. (QTY: 2)

UNLESS OTHERWISE APPROVED BY THE OWNER, ONLY ONE

FILTER BASIN SHALL BE WORKED ON AT ANY GIVEN TIME. WHEN

THE WORK FOR FIRST FILTER IS COMPLETE, ACCEPTED BY THE

OWNER AND ENGINEER, AND PLACED BACK INTO REGULAR

SERVICE, THEN THE CONTRACTOR SHALL BE ALLOWED TO

COMMENCE WITH WORK ON THE SECOND FILTER.

SEE ENLARGED VIEW OF WHEELER BOTTOM UNDERDRAINS AND

ARRANGEMENT OF PORCELAIN SPHERES ON SHEET C1.1.

CONNECT EXISTING CONTROL/SIGNAL WIRING TO NEW ELECTRIC

VALVE ACTUATOR. FILTER CONSOLE HAS INDICATOR LIGHTS TO

SHOW THE VALVE POSITION 'OPEN' OR 'CLOSED'.

FURNISH AND INSTALL NEW CONDUIT AND WIRING FOR EACH NEW

ELECTRIC VALVE ACTUATOR (2 TOTAL). CONDUIT AND SUPPORTS

SHALL BE ALUMINUM. 3 #12 + 1 #12 G IN 3/4-IN CONDUIT. CORE

DRILL THROUGH THE CONCRETE FLOOR TO THE FIRST FLOOR AND

CONTINUE INSTALLING CONDUIT TO PANEL Q1 (EXISTING

LOCATION). CONNECT NEW FILTER NO. 1 INFLUENT VALVE

ACTUATOR CIRCUIT TO EXISTING 20A/3P CIRCUIT BREAKER IN

SPACES 37, 39, 41 OF EXISTING PANEL Q1. REMOVE EXISTING

20A/1P CIRCUIT BREAKER IN SPACE 38 OF EXISTING PANEL Q1,

AND FURNISH AND INSTALL A 20A/3P CIRCUIT BREAKER, RATED

FOR 22 KAIC, IN SPACES 38, 40, 42 IN EXISTING PANEL Q1 TO

SERVE THE NEW FILTER NO. 2 INFLUENT VALVE ACTUATOR

CIRCUIT. UPDATE PANELBOARD LABEL WHEN WORK IS COMPLETE.

TASK 3 OF THE MCC REPLACEMENT MAY BE OCCURING

CONCURRENTLY WITH THIS WORK (UNDER A SEPARATE

CONTRACT WITH OTHER CONTRACTOR), SO THE FILTER MEDIA

PROJECT CONTRACTOR SHALL COORDINATE WORK TO CONFIRM

THE LOCATION OF PANEL Q1 AT THE TIME THE WORK IS TO BE

PERFORMED.

NEW 14 MUD VALVE WITH

EXTENDED SHAFT AND 2" SQ.

OPERATING NUT, TYP OF 4

INSTALL NEW 18" FL BUTTERFLY

VALVE, TYP OF 2

8FILTER BASIN SECTION - CLARIFIER EFFLUENT CHANNEL

(SEE DETAILS ON SHEET C1.1)

FILTER GULLET

EMA

CLARIFIER

EL. 78.33'

TO PANEL Q1 IN MCC ROOM

(SEE SHEET C0.1)

FILTER

CONSOLE

4/13/2026

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SCALE: 1/4" = 1'-0"

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