500

. 490 ....

480

470

TOP OF INFLUENT CHAMBER WALL EL. 502.00

OVERFLOW WEIR EL. 499.83 " """ . _, ' ' . . -- . " .. "' ··- " ""

INFLUENT WEIR EL. 498.50

ZONE 1 AT 2.5 MGD EL. 497.00

ZONE 1 AT 9.0 MGD EL. 498.50

20"

OVERFLOW CONDITION, MBBR OFFLINE AT

9.0 MGD, EL. 500.5

L

INFLUENT CHAMBER AT 2.5 MGD EL. 498.67

-

............... $ $ $

$ $ $ . .... ... ...... .... ... ..... , . ........... ,!..� ...... .

\

\

OVERFLOW CHANNEL HIGH POINT INVERT EL. 495.00

EFFLUENT AT 9.0 MGD, EL. 497.5

EFFLUENT WEIR EL. 496.00 .........

......... .--------,�

EFFLUENT AT 2.5 MGD EL. 490.2

......... .........

.........

EL. 489.50

......... '

...__�...--,,T.ow = 490.50

$ $ $ --- --- --- ---4

12" I

I

I HWL EL. 473.00

$ $ $

$ $ $ ZONE 1 ZONE 2 ZONE 3

MOVING BED BIOREACTOR .. (MBilR)

NOTE:

16"

EX. FLASH MIXER

TO EX SECONDARY CLARIFIER

-- 1. PEAK DESIGN FLOW THROUGH MBBR AT 9.0 MGD.

14"

12"

EX. PLANT PUMP STATION

FROM EX TRICKLING FILTER / PRIMARY CLARIFIER HYDRAULIC PROFILE

MOVING BED BIOREACTOR {MBBR) SYSTEM DESIGN CRITERIA

NO. OF TRAINS:

SIZE/ZONES, EACH TRAIN:

VOLUME:

HYDRAULIC RETENTION TIME HRS:

CARRIER ELEMENTS:

AERATION DIFFUSER TYPE:

PROCESS AIR

MEDIA RETAINING SCREENS:

PROCESS AERATION BLOWERS

REACTOR MIXERS

2

ZONE 1 (BOD) ZONE 2 (NITRIFICATION) ZONE 3 (NITRIFICATION)

40 FT X 40 FT X 15 FT SWD (0.180 MG) 40 FT X 25 FT X 15 FT SWD (0.112 MG) 40 FT X 25 FT X 15 FT SWD (0.112 MG)

EACH TRAIN: 403,920 GALLONS TOTAL: 807,840 GALLONS

HRT @ AVG / HRT @ MAX MONTH ZONE 1: 3.4 / 2.9 ZONE 2: 2.2 / 1.8 ZONE 3: 2.2 / 1.8

NOMINAL MEDIA SURFACE AREA: 800 M2/M3, MEDIA FILL RATIO (VOLUME): 50%

MEDIUM BUBBLE

TOTAL ZONE 1 AND 2: 4,100 SCFM (AVG) TOTAL ALL ZONES: 5,520 SCFM (MAX)

ZONE 1 AND 2: 6/ZONE/TRAIN ZONE 3 : FLAT SCREEN

NO. OF UNITS: 3 CAPACITY, EACH 2,850 SCFM HORSEPOWER, EACH 150 HP, VFD

NO. OF UNITS: 2 TOTAL, ZONE 3 TRAINS 1 AND 2 HORSEPOWER, EACH: 10 HP TYPE: TOP MOUNTED

MBBR INFLUENT DESIGN BASIS

FLOW, MGD BOD, MG/L TSS, MG/L TKN, MG/L TP, MG/L TEMP, C

AVG I MAX MONTH 2.s / 3.o

150 / 150 100 / 100

30 / 30 5 / 5

20 I 10

MBBR EFFLUENT DESIGN BASIS

BODS, FILTERED TKN, FILTERED AMMONIA-N

< 5 MG/L < 2.0 MG/L < 1.0 MG/L

500

490

480

470

SYMBOL

--f><}---1 c=

GENERAL SYMBOLS

DESCRIPTION ABBREVIATION

BALL VALVE

BUTTERFLY VALVE

FLOW ARROW GATE VALVE

PIPE BREAK

PIPE FACING UP

CONCENTRIC REDUCER OR INCREASER

ECCENTRIC REDUCER OR INCREASER

SURGE RELIEF VALVE

BAV

BFV

GTV

AMBIENT SENSING FREEZE PROTECTION VALVE

CHECK VALVE

ELECTRIC MOTOR ACTUATOR

ELECTRIC SOLENOID ACTUATOR

GENERAL NOTES

1. ALL MECHANICAL WORK SHALL BE COORDINATED WITH CIVIL, ARCHITECTURAL, STRUCTURAL, ELECTRICAL ANDINSTRUMENTATION DRAWINGS AND SPECIFICATIONS.

2. FOR STRUCTURAL, ELECTRICAL AND INSTRUMENTATION NOMENCLATURE SEE S, E, AND I SHEETS.

3. STRUCTURAL ELEVATIONS PROVIDED FOR CLARITY. SEE STRUCTURAL AND ARCHITECTURAL DRAWINGS FOR FFELEVATIONS AND FLOOR SLOPE

4. COORDINATE ALL WALL, FLOOR AND CEILING PENETRATIONS / CASTINGS.

5. SEE E AND I DRAWINGS FOR SERVICE CONNECTIONS AND REQUIREMENTS. INSTRUMENTS, CONTROL PANELS,CONTROL LOGIC, AND RISER DIAGRAMS.

6. COORDINATE CEILING HUNG EQUIPMENT AND HATCHES WITH THE LOCATION OF ELECTRICAL POWER, LIGHTING ANDINSTRUMENTATION TO AVOID CONFLICTS .

7. ALL PIPING AND DUCTWORK PASSING THRU FLOORS AND INTERIOR WALLS SHALL BE SLEEVED AND SEALED ONBOTH SIDES TO MAKE OPENING AIR AND WATER TIGHT UNLESS OTHERWISE NOTED OR SHOWN .

8. UNLESS NOTED OTHERWISE, ALL DUCTILE WALL CASTINGS SHALL HAVE A WATER STOP / THRUST COLLARPOSITIONED IN THE CENTER OF THE WALL.

9. PIPING CONNECTIONS 3" AND SMALLER HAVE BEEN SCHEMATICALLY SHOWN ON PLAN DRAWINGS. THE CONTRACTORSHALL BE RESPONSIBLE FOR DETAILED PIPE ROUTING AND ALL APPURTENANCES IN ACCORDANCE WITHRESPECTIVE SCHEMATICS. CONTRACTOR SHALL SUPPLY ALL NECESSARY FITTINGS TO MAKE CONNECTIONS.

10. SEE STRUCTURAL DRAWINGS AND SPECIFICATIONS FOR CONCRETE PIPE SUPPORTS AND PEDESTALS.

11. SEE SPECIFICATION DIVISION 15 FOR PIPE SUPPORT REQUIREMENTS.

12. COORDINATE THE LOCATION OF VALVE SUPPORTS SO THAT ACCESS TO THE VALVE BEARING(S) IS NOTRESTRICTED.

GENERAL INSTRUMENTATION SYMBOLS 13. MINIMUM SLOPE FOR DRAINS SHALL BE 1 / 4" PER LINEAR FOOT UNLESS NOTED OTHERWISE.

SYMBOL

8

8 (NH3\ �

tfUFm \::E)

DESCRIPTION

LEVEL SWITCH

DISSOLVED OXYGEN PROBE

PH PROBE

AMMONIA PROBE

ORIFICE FLOW METER AND TRANSMITTER

14. VALVES ARE NORMALLY OPEN (N.O.) UNLESS NOTED OTHERWISE. (N.C.)

15. FOR FLANGED JOINTS, BOLTS, NUTS AND OTHER HARDWARE SHALL BE OF 304 STAINLESS STEEL. ISOLATORSSHALL BE USED PER SPECIFICATION.

16. ALL EXPANSION JOINTS, FLANGE ADAPTERS AND FLEXIBLE COUPLINGS SHALL BE RESTRAINED WITH TIE-RODS. SEETIE-ROD DETAIL.

17. NOT ALL EXPANSION JOINTS AND BELLOW SHOWN, PROVIDE ADDITIONAL EXPANSION JOINTS AND BELLOWS TOPREVENT DAMAGE FROM THERMAL EXPANSION AND CONTRACTION.

18. COORDINATE THE BLOWER SUCTION AND DISCHARGE SIZE AND MAKE ADJUSTMENTS IN THE PIPE AND FITTING SIZETO SUIT.

19. UNLESS OTHERWISE INDICATED, ALL EQUIPMENT SHALL BE PROVIDED WITH A MINIMUM 4-INCH CONCRETEHOUSEKEEPING PAD SIZED TO SUIT EQUIPMENT.

20. METAL FABRICATIONS WITH BURS, SHARP EDGES OR POSE A HAZARD SHALL BE MADE DULL/BLUNT OR SHALL BEPROVIDED WITH AN APPROPRIATE COVERING.

HEATING AND VENTILATION SYMBOLS 21. COORDINATE THE LOCATION AND ORIENTATION OF ALL VALVE STEMS AND OPERATORS (HAND WHEEL, CHAIN

WHEEL, BEVELED GEAR, MOTOR ACTUATORS, ETC.) WITH RESPECT TO ITS SURROUNDINGS, SO THAT THE HANDWHEELS, CHAIN WHEELS, BEVELED GEAR, ETC. ARE EASY TO OPERATE, UNOBSTRUCTED AND ACCESSIBLE.

SYMBOL DESCRIPTION

FLEXIBLE CONNECTION

THERMOSTAT (FREEZE)

THERMOSTAT (HIGH TEMPERATURE)

THERMOSTAT (AC THERMOSTAT CONTROLLER)

22. PROVIDE AS BUILT SPOT ELEVATIONS AT THE ENDS OF ALL WEIRS.

23. VALVES SMALLER THAN 4 INCHES ARE NOT LABELED.

24. ALL HARDWARE ON VALVES (NUTS, BOLTS, PLUGS ETC ... ) TO BE STAINLESS STEEL.

25.SEE SPECIFICATION SECTION 13001 FOR MBBR MANUFACTURERS SCOPE OF SUPPLY.

TOWN OF WARRENTON

I I I WASTEW�;EA�=NT PLANT

l----+---1----------------4------- MOVING BED BIOREACTOR (MBBR) INSTALLATIONREV DAlE DESCRIPTION • ...,+�••.,,_, rsi'Jiil:===�i5E§i�r.;.:.;..�.;.;,.;;fclii���;......;......,mMffl"W:'---1

.. =�;�f:.1>-LTH o,, ;;�.... a...,.,,,,__N_O_N_E _--J_DES_,GN_;:;.BK�M.:.;._ __ .,_c_HECKED: __ P..;;.s ___ _.,__ _ _..;;;B.;.;K.;.;M_--11

Whitman, Requardt & Associates, LLP

3701 Pender Drive, Suite 450, Fairfax, Virginia 22030

" Ci � 'l, 1Tll£: ! I e,J/>.'JIO C\41-11.t.UNG �1;+ o CHUNG HYDRAULIC PROFILE, DESIGN CRITERIA

NOTES AND SYMBOLS \ ;�'*�,\)�9� '"'ff'•o if� "lsueiirni'm1i'm---------,rnrr---,iiiwm�r---� ",.,. 'S 671,ki; ,..,"

SUBMnm> DAlE: NO.�

.. ,.,,st6l'f'.';.. .. •i"" MAY 2018 M-1 or.2§....

- ------------- --- - -- --- - - -- - - -- - - --------- ----- ---- --------- --

MBBR AIR DISTRIBUTION HEADER

12X10 INCH REDUCER (TYP) 14X12 INCH REDUCER

(TYP)

MBBR AIR DISTRIBUTION HEADER

BLOWER SUPPLY PIPl�iG TO BE PIPED OUTSIDE OF BUILDING (TYP)

/ BLOWER MANUFACTURER PACKAGE WITH SOUND ENCLOSURE (TYP)

1 Q"S.S. DROP PIPE WITH

VALVES (TYP) ___ __.--;.t BUTTERFLY VALVES (TYP) --------;_�5"

MOTOR OPERATED BUTTERFLY VALVES (TYP)------:B:::FV--:-_-:."21_

SOV-21

6"

S.S. AIR ZONE HEADER (TYP)-----...

8" 8"

S.S. MEDIUM BUBBLE AERATION SYSTEM (TYP)------:--1

MBBR TRAIN 2

ZONE 2-1

SELF CONTAINED, MOTOR OPERATED 6 FT 8 INFLUENT WEIR GATE (TYP)----.___

8 FT EMERGENCY OVERFLOW WEIR

-======t==

-�M�s�G�o-�2�1----18UI_ LS-01

M SG0-11 -lT--

20" INFLUENT FROM EX. PUMP STATION--�

8

ZONE 1-1

MBBR TRAIN 1

S.S. MEDIUM BUBBLE AERATION SYSTEM (1YP)------c.t1

2"

2"

BFV-22 SOV-22

4" 2''

ZONE 2-2

8

8

ZONE 1-2

4" 4"

BFV-23 SOV-23

411

4,i

ZONE 1-3

4" 4" 4" .__ ___ __. S.S. AIR ZONE HEADER (TYP)------r 6" 6" ! 6" 6"

-�J - ,-_ -- _-- _------_------, -tikf-5- -------------

8" 2" 8"

BFV-11 SOV-11 BFV-12

6" 2'' 8" S.S. DROP PIPE WITH

VALVES (TYP)-------�....,....���---'-------�---L 1 o"

MBBR AIR DISTRIBUTION HEADER

S.S. DROP PIPE WITH VALVES (TYP)

2" 8"

BFV-13

12"

4"

8"

MBBR AIR DISTRIBUTION HEADER

(NH3\ I� i

18

14"

V-NOTCH BALL VALVES(TYP)

MBBR AIR DISTRIBUTION HEADER

SCREENED INLET, 95% FREE AREA (TYP)

ENCLOSURE

�-------"----� FILTER I I I I

i++---11 I I I,,_____, I I I I 1r-"'L I I I I

PDB-03

SOLENOID OPERATED V-NOTCH BALL VALVES(TYP)

VENTILATION FAN (TYP)--1----3/ 4" AMBIENT SENSING FREEZE PROTECTION VALVE (TYP)

3/4" VALVE (TYP)

2" LOW POINT MANUAL DRAIN VALVE (TYP)

14" AIR HEADER (TYP)

18"

18" AIR SUPPLY TO MBBR DISTRIBUTION HEADER

18" 18"

n--------

2" LOW POINT CONDENSATE DRAIN (TYP)

t--+----2" SPRAY WATER HEADER, (TYP)

18"

14"

EFFLUENT CHANNEL (TYP)

I EFFLUENT WEIR (TYP) 14" MBBR AIR DISTRIBUTION HEADER (TYP)

.... -+j ____ ......,f).-------8" RE-CIRCULATION LINE, SEE CIVIL I

--+----�f,------24" EFFLUENT, SEE CIVIL-•

J

1-------+---2'' SPRAY WATER HEADER, (TYP)

2" LOW POINT MANUAL DRAIN VALVE (TYP)

�---� 3/ 4" VALVE (TYP)

UNLOADING VENT

SILENCER-�

3/ 4" AMBIENT SENSING FREEZE PROTECTION VALVE (TYP)

12"

12"

12"

FILTER

PDB-02

FILTER

H+---1111111---;

BFV (TYP)

I I I t

PDB-01

FLEXIBLE COUPLING (TYP)

OUTLET SILENCER

BLOWER DISCHARGE PRESSURE RELIEF, PIPED TO SAFE LOCATION (TYP)

OUTLET SILENCER

OUTLET SILENCER

BLOWER BUILDING

DRAWING NOTES:

1. SEE M-1 FOR GENERAL NOTES, LEGEND AND ABBREVIATIONS.2. BLOWER TO BE PROVIDED AS A PACKAGED UNIT COMPLETE WITH INTAKE SILENCER, DISCHARGE SILENCER,

PRESSURE RELIEF VALVES, CHECK VALVES, TRANSFORMERS AND SINGLE POWER CONNECTION. 3. PROVISIONS SHALL BE PROVIDED FOR THE EXPANSION OF ALL AERATION PIPING TO ELIMINATE STRESS DUE TO

COMPRESSION AND EXPANSION.4. MANUAL VALVE OPERATORS, VALVE ACTUATORS AND GEAR BOXES SHALL BE INSTALLED SUCH THAT THEY ARE

ACCESSIBLE FORM WALKWAYS, PL�TFORMS AND OR GRADE. THEY SHALL BE POSITIONED TO NOT CONFLICTWITH OTHER EQUIPMENT.

5. BUTTERFLY VALVES SHALL NOT BE BOLTED DIRECTLY TO OTHER BUTTERFLY VALVES OR CHECK VALVES.

2" SPRAY WATER FOR FOAM CONTROL (TYP) 2" SPRAY WATER CONNECTION, SEE

CIVIL FOR 2'' YARD HYDRANT LOCATION, PROVIDE PIPE AND FITTINGS TO MAKE CONNECTION

6. STAINLESS STEEL AIR PIPING SHALL INCLUDE ALL ADAPTERS, METAL-TO-METAL CONNECTORS BACK UP FLANGES,DIELECTRIC ISOLATION KITS BETWEEN DISSIMILAR METALS AND OTHER APPURTENANCES NECESSARY FOR A COMPLETE INSTALLATION.

7. ALL AIR PIPING WALL PENETRATIONS SHALL BE SLEEVED AND SEALED.8. SLOPE THE AIR PIPING 1 /8-INCH PER FOOT MINIMUM TO ALLOW CONDENSATE TO FLOW TO LOW POINTS DRIP

4" 4" AIR SPARGER PIPING (TYP)

14" MBBR AIR DISTRIBUTION HEADER

LEGS.. INSTALL DRIP LEGS AT ALL LOW POINTS.9. PROVIDE MANUAL BALL VALVE VENT AT ALL PIPING HIGH POINTS AND DRIP LEGS BALL VALVES AT LOW POINTS.10. NOT ALL VALVES AND FITTINGS SHOWN ON SCHEMATIC.11. SEE SPECIFICATION SECTION 13001 FOR MBBR MANUFACTURERS SCOPE OF SUPPLY.

TOWN OF WARRENTON DEPARTMENT OF UTIUTIES

WASTEWATER TREATMENT PLANT •• •• MOVING BED BIOREACTOR (MBBR) INSTALLATION

RE.V DATE DESCRIPTION •'" �\',ALT[{ O

•• CHECKED: RAWN BY: F==========:::;��======9 .••.,_c� ""1-;,:-. SCALE: NONE PS BKM

• ;:· ''r:,. 1=,...------'�-----...__ _____ ...,_ ____ ---1l o DAVID CHt·KEUNG 9, \ TlltE:

@MBBR SYSTEM SCHEMATIC MBBR SYSTEM SCHEMATIC ���-CNH�U

0N� ;

J . "' . •• J> s/11/!!Jl(. "" : '==�=--------�='l!'F""---.==-----11

• J> 16 ,, f L "" > .• SUBMITTED DATE: WING

Whitman, Requardt & Associates, LLP 3701 Pender Drive, Suite 450, Fairfax, Virginia 22030

•••• IV L £. ....MAY 2018 M-2 NO . ..2...

••••••• OF .Ji§_

.

-I IIBi ,ft £11

I6" 6 11- - 6" - 6"

ZONE 2-1

MBBR TRAIN 2

.......

.... C , ... '- M 6

20" MBBR INFLUENT FROM EX. PUMP STATION SEE CIVIL

h -- ltj

.... / B " ... M 5

MBBR TRAIN 1

I

ZONE 1-1 S.S. MEDIUM BUBBLE

AERATION SYSTEM (TYP)

... -6" 6" 6"

� ..... ..... 6"

I

S.S. DROP PIPE (TYP) I

1 M-3

I

(

24'X24", "'N 14 GA S.S. PERFORAlID PLAlfS (TYP), SEE NOTE 3.

4" -4"

-

ZONE 2-2

ZONE 1-2

4" - 4" -

4"

4"

.... D "" M-6 \. '/

-

MBBR LOWER LEVEL PLANffi 3/16"=1'-o"

4'�

4" -

4" -

ZONE 2-3

D -

I

....

D

D �

I "Ill

....

ZONE 1-3

4" -

4"-

I/

D

I (MXR-22) w

o_ 0

D

D

wo_ g

(MXR-11) Cf)

I

-MIXER (TYP)

I

wo_ g Cf)

4'�

, _, DATE I DESCRIPTION

Whitman, Requardt & Associates, LLP 3701 Pender Drive, Suite 450, Fairfax, Virginia 22030

DRAWING NOTES:

1. SEE M-1 FOR GENERAL NOTES, LEGEND ANDABBREVIATIONS.

2. DRAWINGS SHOW GENERAL ARRANGEMENT. ALLCOMPONENTS NECESSARY FOR A COMPLETESYSTEM MAY NOT BE SHOWN. COORDINATE WITH

� EFFLUENT CHANNEL (TYP) MANUFACTURER.3. MBBR MANUFACTURER SHALL PROVIDE 24"

•

SQUARE S.S. PERFORATED PLATES LOCATED INTHE WALLS FLUSH WITH THE FINISHED FLOOR.HOLES IN PLATES SHALL NOT ALLOW MEDIA TOPASS. PLATES ARE DIRECTLY ANCHORED TOWALL AND FLOOR.

I

PE X MJ WALL CASTINGS WITH WATER STOP (TYP)

8" RECIRCULATION LINE PLUG VALVE, N.C. SEE CIVIL

8" RECIRCULATION LINE, SEE CIVIL

-- u

I --- 24" EFFLUENT, SEE CIVIL

I

CX)

0 2' f 9'I I SCALE: 3/16" = 1 '-0"

TOWN OF WARRENTON DEPARIIIENT OF ununES

WASTEWATER TREATMENT PLANT •••• .,.*"' MOVING BED BIOREACTOR (MBBR) INSTALLATION

' .. . CHECKED: BY: ..,,,;�/\,LTfl Of>"'@� BG � ti ill&

I ,:f 1'o"«, AS SHOWN I BKM PS I BKM

l � OA\!ID CHI-KEUNG i \ 111lE:f 8 CHUNG ;,, l 1; )-;>�!). 05 �")/n\0 / w

�,r )j

/ � v�'.l's :J.?:'/i,�,,.., SUBMrTTED DATE:

iii.'!

I .i 1,.\.. ffl'

$"$; . ... ��.,.···

MBBR LOWER LEVEL PLAN

SHEET IIJKAWING

MAY 2018 M 3 NO. 48OF�

1 o·

6" AIR ZONE HEADER WITH 8"X4'' REDUCING FITIINGS

�-- - ----- -- - -

8" AIR ZONE HEADER WITH 8"X6" REDUCING FITIINGS (TYP TRAIN 1 AND 2 FOR ZONE 1) 2" AIR PIPE AND SUPPORTS (TYP (TYP TRAIN 1 AND 2 FOR ZONE 2 AND 3)

]ll}JN 1 AND 2 FOR ZONES 1 & 2)

\

4" AIR PIPE AND SUPPORTS (TYP TRAIN 1 AND 2 FOR ZONE 3) MBBR AIR DISTRIBUTION HEADER AND SUPPORTS (TYP) DRAWING NOTES:

6" MANUAL BUTIERFLY VALVES WITH CHAIN � �,-,...-----��-----��-----�� __ .,...>,. ____ ��----....... -----1----L��WHEEL (TYP TRAIN 1 AND 2 FOR ZONE 1)�--.--------.l:-'�-----r"--------t. --1------

�-------� ___,,, _____ _,___--,-(..{

14" 1. SEE M-1 FOR GENERAL NOTES, LEGEND ANDABBREVIATIONS.

2. DRAWINGS SHOW GENERAL ARRANGEMENT. ALLCOMPONENTS THAT MAY BE NECESSARY FOR ACOMPLETE SYSTEM MAY NOT BE SHOWN.COORDINATE WITH MANUFACTURER.

4.

6" DROP PIPES AND SUPPORTS, (TYP FOR TRAIN 1 AND 2 FOR ZONE 1)

' 4" DROP PIPES AND SUPPORTS (TYP � TRAIN 1 AND 2 FD ZONES 2 AND 3) EFFLUENT CHANNEL (TYP) 5.

PROVIDE FLANGED S.S. AT VALVES AND ATTRANSITIONS TO ALLOW FOR EQUIPMENT REMOVAL.THE USE OF FLANGES SHALL BE MINIMIZED.WELDED S.S. PIPE AND FITIINGS SHALLCONSTITUTE THE MAJORITY OF THE AIR PIPING.NOT ALL SUPPORTS SHOWN, PROVIDE SUPPORTSIN ACCORDANCE WITH MANUFACTURERS ANDSPECIFICATION REQUIREMENTS.

MBBR TRAIN 2

8 FT S.S. OVERFLOW WEIR --+----+--------·��

6' WIDE, 4' HIGH, SELF CONTAINED, DOWNWARD OPENING WEIR GATE WITH

ELECTRIC ACTUATOR (TYP)-1---+---�

'II,I

( LS-21 )FLOAT-t----+--�

( LS-01 ) FLOAT

ZONE 2-1

00-21V V

--I /

' OVERFLOW CHANNEL

BELOW WALKWAY---

I /

ZONE 2-2

D0-22 V V

I

V p_ j__ =-;

ZONE 2-3

D0-23

a--- - -- -- - ----0

® (MXR-22)

I

L:_ V I

DDDc:::J

n N I :ca_

NH3 PROBE AIR BLAST (TYP) PH PROBE AIR BLAST (TYP)

PROBE TRANSMITTER (TYP)

n N I n I z

c:::J

36 FT EFFLUENT WEIR (TYP)

i I I I' I I

14" BUTTERFLY VALVE (TYP)

18" X 14" REDUCER (TYP)

18" AIR SUPPLY TO MBBR DISTRIBUTION HEADER

t

7 '. NOT ALL EXPANSION JOINTS WITH TIE RODS SHOWN, PROVIDE EXPANSION JOINTS WITH TIE RODS AS REQUIRED TO PREVENT MOVEMENT OF PIPING SYSTEM.

8. ELECTRIC MODULATING BUTTERFLY VALVES ANDSOLENOID VALVES ARE SHOW ON M-5

�;---;=:=-=-:--=-=1=-=t-t=="--'=tr-���_._,t::::==-=-====�=

-=--='=':.::====-=-======11=/=--��==-==-=-==l:l=-=-==*"c-===-===+

-=;t:/=-==:=---=:::-::=i=.1

r,=

r;=-�

4�

1�iF=��=lhFFFF=+=+==:::;-:=n=;---_-_-_-_.:;�

1--1 00-11 D0-12

n nl i)

' '

2" SPRAY WATER - FOR FOAM CONTROL (TYP)

20" INFLUENT FROM EX. PUMP STATION-�

FLOAT ( LS-11 )

MBBR TRAIN 1

MEDIA RETENTION SCREEN (TYP)

ZONE 1-1

S.S. HANDRAIL MOUNTED I n I ___ I BOOM SUPPORT FOR il:: � PROBES(TYP)

SELF CLOSING SAFETY GATE, SEE STRUCTURAL (TYP)

ZONE 1-2

MIXER (TYP)

a--- - -- -- - ----0

D0-13

ZONE 1-3

E/FI -11

BLOWER

BUILDING

MBBR AIR DISTRIBUTION HrADER AND SUPPORTS (TYP)

1 M-4

1 Q" MBBR AIR DISTRIBUTION HEADER (TYP)

�f,���o·· UPPER LEVEL PLAN �

��----....-----� -�--_::::,.,._ ______ .L,,"----MBBR AIR DISTRIBUl'IO� HEADER ANCHOR AT ENDS (1YP)

12" MBBR AIR DISTRIBUTION HEADER (TYP)

FLAT SCREEN (TYP)

n 2,' 4' 6' 10' l I I

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

TOWN OF WARRENTON DEPARTMENT OF UTIUTIES

WASTEWATER TREATMENT PLANT

REV DATE DESCRIPTION •••• •••••

F========::::=::;��======9 0

•�,�11-LTH Op.�••

MOVING BED BIOREACTOR (MBBR) INSTALLATION SCALE: DESIGNED: C ECKED: BY:

Whitman, Requardt & Associates, LLP3701 Pender Drive, Suite 450, Fairfax, Virginia 22030

• .:,.'<' v/. • • �- <P.o •·�� ..... � DAVID CHI-KEUNG � �

"' "' .

AS SHOWN BKM PS

MBBR UPPER LEVEL PLAN

BKM

��--�HU�NG ;1

"•� r _r/t yf,,_ • t:;S;-::UB::-:M:::::,ii:;:;EO:-Dli�JE:="'• ---------rcs!ultt !'t'F""---.;;;:RAWlmm

lf..-g------a

•.r,0.,,/\1..t-·.• MAY2018 M-4 No._ � � ��

INSULATED BLOWER DISCHARGE PIPING

(TYP)*

18"

BLOWER DISCHARGE_J------,HEADER PIPING (TYP)

INSULATED BLOWER SUPPLY PIPING

(TYP)*

BLOWER SUPPLY_JL------

1 PIPING (TYP)*

18" AIR SUPPLY TO MBBR DISTRIBUTION HEADER

S.S. BELLOWS EXPANSION JOINT WITH TIE-RODS (TYP)--V

48X48 EXHAUST FAN LOUVER, 8.40 SF MIN FREE AREA (TYP)---1-��

18"

UNLOADING VENT

SILENCER----

18"

4'-8"

t

EUH-1

PDB-03

I

co

PDB-02

PDB-01

72X36 INTAKE LOUVER W / MOD 9.94 SF MIN FREE AREA (TYP)

f" -��- -

t t

14'-o" [

�---------[): '

2 TON MONO RAIL, ELECTRIC HOIST AND GEARED TROLLEY

EUH-2

D;; . ©c

: I i i

i i ' I! '

1 I

' '

I : 11

i i ' '

I !

I f-t--I I ' '

I I

AIR CONDENSING UNIT

DRIP PAN DRAIN PROVIDE FLEXIBLE CONNECTION BETWEEN AIR HANDLING UNIT AND DUCTWORK AIR HANDLING UNIT WITH DUCTWORK CONDENSATE DRAIN

60X6 DRUM LOUVER WITH OPPOSED BLADE DAMPERS (TYP)

ELECTRICAL EQUIPMENT

MBBR CONTROL PANEL

Tu=1i==d==:1=5a�-------N----+-----J,---=F------=F------+-H+---'

,......_._-EF-1 I

,,,

MONO RAIL STOP COORDINATE WITH ROOF SUPPORT LOCATION, SEE STRUCTURAL (TYP)

EUH-4

�

EF-2 BLOWER

ROOM ELECTRICAL

ROOM 1"7"7,== = = - =TV""""'""l�:::;:;::;�'71.,

MANUAL ROLL UP DOOR

1 BLOWER BUILDING GRADE PLAN M-7 3/16"=1'-0"

*NOTES:BLOWER SUPPLY PIPING NOT SHOWN FOR CLARITY ON PDB-03.

BLOWER DISCHARGE PIPING NOT SHOWN FOR CLARITY ON PDB-01 AND PDB-02.

S.S. BELLOWS EXPANSION JOINT WITH TIE-RODS (TYP)

:-\_

18" AIR SUPPLY TO MBBR DISTRIBUTION HEADER

CL. EL. 506. 75

BLOWER SUPPLY PIPING (TYP)----.

CL. EL. 497.00 +/- __ __,

F.F. EL. 496.QQ_,,___

BLOWER DISCHARGE HEADER PIPING (TYP)--

BLOWER SUPPLY W/ S.S. BIRD SCREEN 95% FREE AREA (TYP)

18" +-t--+--l

18"

18" AIR SUPPLY TO MBBR DISTRIBUTION HEADER

DRAWING NOTES:

1. SEE M-1 FOR GENERAL NOTES, LEGEND ANDABBREVIATIONS.

2. COORDINATE BLOWER SUCTION AND DISCHARGEELEVATIONS WITH BLOWER PACKAGE.

3. COORDINATE BLOWER INTAKE AND DISCHARGE SIZEAND LOCATION WITH BLOWER MANUFACTURER. BLOWERPIPING INSIDE THE BUILDING SHALL BE INSULATEDWITH INSULATION RATED FOR HIGH TEMPERATURESAND NOISE CONTROL

4. BLOWER CONFIGURATION FOR ILLUSTRATIVE PURPOSEONLY. COORDINATE WITH BLOWER MANUFACTURER.

5. NOT ALL PIPE SUPPORTS SHOWN, CONTRACTORSHALL PROVIDE SUPPORTS IN ACCORDANCE WITHMANUFACTURERS RECOMMENDATIONS.

6. COORDINATE AND INSTALL AIR HANDLING UNIT SOTHAT SERVICE PANELS AND FILTERS ARE EASILYACCESSIBLE FOR MAINTENANCE.

7. SEE SPECIFICATION SECTION 13001 FOR MBBRMANUFACTURERS SCOPE OF SUPPLY.

EXHAUST FAN LOUVER, 8.40 SF MIN FREE AREA (TYP)

BLOWER DISCHARGE HEADER PIPING (TYP)

SUPPORT ANCHOR POINT (TYP)

UNLOADING VENT SILENCER (TYP)

SUPPORT ANCHOR POINT (TYP) SUPPORT (TYP)

SUPPORT ANCHOR POINT (TYP)

B BLOWER BUILDING ELEVATION M-7 3/16"=1 '-0"

BLOWER SUPPLY PIPING, MIN 12 INCH, MBBR/BLOWER MANUFACTURE TO SIZE (TYP)

2 TON MONO RAIL, ELECTRIC HOIST AND GEARED TROLLEY INTAKE LOUVER W/ MOD

PDB-01 BLOWER

ROOM

INSULATED BLOWER DISCHARGE PIPING MIN 12 INCH, MBBR/BLOWER MANUFACTURE TO SIZE (TYP) EXPANSION JOINT WITH TIE-RODS (TYP)

9.94 SF MIN FREE AREA (TYP)

ELECTRICAL

ROOM

BLOWER MANUFACTURER PACKAGE WITH SOUND ENCLOSURE (TYP)

A BLOWER BUILDING SECTION M-7 3/16"=1'-0"

30"X30" SQUARE DUCT 60X6 DRUM LOUVER WITH OPPOSED BLADE DAMPERS (TYP)

ELECTRICAL EQUIPMENT, TO BE DETERMINED

o 2' 4' 6' 1 o·

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

TOWN OF WARRENTON DEPARIIIENT OF Ul1Ul1ES

WASTEWATER TREATMENT PLANT MOVING BED BIOREACTOR (MBBR) INSTALLATION

DESIG

AS SHOWN .

BKM CH

PS

BLOWER BUILDING PLAN AND SECTIONS

.

BKM

CEILING AND WALL CONSTRUCTION VARIES

E SUPPORT BRACKET. CEILING OR WALL TYP PROVIDE ADDITIONAL RODS AND S.S. HARD CEILING INSTALLATION

SUPPORT CHANNELS,WARE TO SUIT

-'-

. "

-"' ,,,-

MINIMUM CLEARANCES SHALL BE IN ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS. LARGER SUPPORT BRACKETS MAY BE REQUIREDTO AVOID OBSTRUCTIONS. CONTRACTOR TO COORDINATE. FOR BLOCK WALL ANCHORING USE HILTI STD. (HIT) ADHESIVE ANCHOR FOR HOLLOWMASONRY, S.S. WITH 6-INCH EMBEDMENT,

ANVIL FIG. 230 OR EQUALTURNBUCKLE TO SUIT

THREADED ROD TYP.--� INSULATE DUCT ---­ALUMINUM DUCTWORK --

10 GAUGE ALUMINUM SHIELD ATSUPPORTS

I �--SUPPORT FROM STRUCTURE,SEE STRUCTURAL

OR APPROVED EQUAL SPACED AT 12-INCHES ON-CENTER. PLASTIC INSERT (TYP) CONTRACTORCOORDINATE LOCATION, NUMBER ANDSIZE

T /�

.. YPICAL UNIT HEATER

,-

-----= ¥

UNIT HEATERS IN EXCESS OF 200 LBS. UTILIZINGSHELF OR BRACKET SUPPORTS, SHALL REQUIRE THRU-BOLTS WITH 3/8-INCH THICK BEARING PLATESSPANNING HORIZONTAL BOLT CENTERS OR MORTAR FILLED CMU CELLS. CONTRACTOR TO COORDINATE.

ALL UNIT HEATERS SHA LL BE MOUNTED A MINIMUMHED FLOOR UNLESS OF 7-FEET ABOVE FINIS

FINISHED FLOOR OTHERWISE NOTED CON TRACTOR TO COORDINATE CLEARANCES

1 TYP. UNIT HEATER INSTALLATION M-8 SCALE: NONE

DIMENSION TO SUIT BACKDRAFT DAMPERCLEARANCES

[TI-

DJ

MOUNT FAN TO PLATE USING 1 / 4" S.S. BOLTS 1f1Jf��-----%-

6--<' (TYP.)

II] ALL FANS SHALL BE SUPPLIED WITH OSHA WIRE FAN GUARD UNLESS FAN � �,------.-IS INSIDE OF A PLENUM

� 1/4" STEEL PLATE--------:rn

0 .___ __ EXHAUST LOUVER

.--lif'.����t::tf 4" (TYP.)

WALL CONSTRUCTIONVARIES

3 EXHAUST FAN TYPICAL DETAIL M-8 SCALE: NONE

MIN. 1" DEEP 10 GAUGE ALUMINUMDRIP PAN SLOPED TO DRAIN 1 /2'' PVC DRAIN LINE DRIP PAN COUPLING FLUSH BOTIOM CONNECTION LENGTH TO SUIT WASHER AND LOCK NUT (TYP) GALV. CHANNEL, KINDORF OR EQUAL (GAUGE AS REQUIRED)

( 1" WIDER THAN DUCT EACH SIDE)

GALV. TYP ____ __/

DRIP PAN AND DUCT

2 TRAPEZE SUPPORT DETAIL M-8 SCALE: NONE

MOTOR OPERATED AND BACK DRAFT DAMPER FRAMES SHALL BE REQUIRED. INSTALLATIONS SHALL BE IN ACCORDANCE WITH MANUFACTURERS [TIRECOMMENDATIONS. ---�

MOTOR OPERATED DAMPERS VARY. SEAL AS REQUIRED. ALL DAMPERS SHALL MATCH IN NOMINAL SIZE WITH THEIR RESPECTIVE LOUVERS UNLESS OTHERWISE INDICATED ON THE CONTRACT DRAWINGS. --------------JJ

COORDINATE SHAFTING OR JACK SHAFTING TO SUIT INSTALLATION -----

MOTOR OPERATED DAMPER DRIVE SHALL BE ADEQUATELY SUPPORTED IN ACCORDANCE WITH MANUFACTURER'S RECOMMENDATIONS

6"

DJ

INTAKE LOUVER

II]

4" (TYP.)

WALL CONSTRUCTIONVARIES

4 INTAKE TYPICAL DETAIL M-8 SCALE: NONE

SIZE SUPPORT IN ACCORDANCE WITHSMACNA

DRAWING NOTES:

1. SEE M-1 FOR NOTES, LEGEND ANDABBREVIATIONS.

SPECIFIC NOTES:

DJ

II]

IT]

FOR BLOCK WALL ANCHORING USE HILTI STD. (HIT) ADHESIVE ANCHOR FOR HOLLOW MASONRY, S.S. WITH6-INCH EMBEDMENT, OR APPROVED EQUAL SPACED AT 12-INCHES ON-CENTER. FOR CONCRETE WALL ANCHORING USE 1 /2 INCH DIA .S.S. WITH 6 INCH EMBEDMENT, OR APPROVED EQUAL SPACED AT 12 INCHES ON CENTER.

ALUMINUM BIRD SCREEN WITH A MINIMUM 80% OPENAREA 6x6x 1 / 4" - WELDED STEEL ANGLE FRAME TO SUIT ( 4 SIDES). FRAME AND PLATE SHALL BE HOT-DIPGALVANIZED AFTER FABRICATION.

ALL DAMPERS SHALL MATCH IN NOMINAL SIZE WITHTHEIR RESPECTIVE LOUVERS UNLESS OTHERWISE INDICATED ON THE CONTRACT DRAWINGS. WHERE MULTIPLE FANS SHARE A LOUVER, THE BACKDRAFTDAMPERS SHALL BE PARTITIONED FOR EACH RESPECTIVE FAN. SEAL AS REQUIRED. DRAIN PAN SHALL BE SLOPED TOWARD DRAIN LINE

[]J PROVIDE ANCHORS, CLIPS AND CLAMPS AS NECESSARY TO SECURE DEVISES IN ACCORDANCEWITH MANUFACTURERS RECOMMENDATIONS.

ELECTRIC UNIT HEATER SCHEDULE

UNIT ELECTRICAL REMARKS

KW CHARACTERISTICS I.D. VOLTS/PH/HZ

(LOCATION, TYPE, ETC.)

EUH-1 5 480/3/60 BLOWER ROOM, INTEGRAL: SUMMER FAN SWITCH, DISCONNECT AND THERMOSTAT

EUH-2 5 480/3/60 BLOWER ROOM, INTEGRAL: SUMMER FAN SWITCH, DISCONNECT AND THERMOSTAT

EUH-3 5 480/3/60 ELECTRICAL ROOM. INTEGRAL: SUMMER FAN SWITCH, DISCONNECT AND THERMOSTAT

EUH-4 5 480/3/60 ELECTRICAL ROOM, INTEGRAL: SUMMER FAN SWITCH, DISCONNECT AND THERMOSTAT

FAN SCHEDULE

UNIT TOTAL TOTAL MAX. ELECTRICAL MAX

I.D. 1YPE DRIVE CAPACl1Y S.P. FAN CHARACTERISTICS MOTOR DAMPER (LOCATION, CLASSIFICATION, ETC.)

CFM IN W.C. RPM VOLTS/PH/HZ HP

EF-1 PROP BELT 5000 0.25 1000 460/3/60 1.0 BDD BLOWER ROOM EXHAUST, OSHA GUARDS

EF-2 PROP BELT 5000 0.25 1000 460/3/60 1.0 BOD BLOWER ROOM EXHAUST, OSHA GUARDS

AIR CONDITIONING SCHEDULE

AHU-1 & ACU-1 BASIS OF DESIGN GENERAL MODEL NUMBER TSA090S / VXS090 SYSTEM TOTAL CAPACl1Y 95.1 MBH

SUPPLY AIR VOLUME 3650 CFM SYSTEM SENSIBLE CAPACITY 83.9 MBH

OUTDOOR AIR VOLUME 0 CFM SYSTEM POWER INPUT 7.8 KWI

EXTERNAL STATIC PRESSURE 0.50 IWG REFRIGERANT 1YPE R410

SUPPLY FAN SPEED 913 RPM CONDENSING UNIT AHRI 365 EFFICIENCY 13.5 IEER

AIR HANDLING UNIT CONFIGURATION VERTICAL AMBIENT DRY BULB TEMPERATURE 93.0 F

MOTOR NAMEPLATE HP 3.00 MAX ENTERING DRY BULB TEMPERATURE 80.5 F

MOTOR BRAKE HP 1.83 BHP ENTERING WET BULB TEMPERATURE 65.0 F

MOTOR FULL LOAD EFFICIENCY 84.0 % LEAVING DRY BULB TEMPERATURE 58.3 F

MOTOR POWER INPUT 1.67 KWI LEAVING WET BULB TEMPERATURE 56.3 F

MOTOR/DRIVE 1YPE ODP/BELT COMPRESSOR QUANTl1Y 1

ELEVATION 641 FT MINIMUM CAPACl1Y (2 STEP LOADING) 3.8 TON

OUTDOOR SOUND POWER 81.0 DBA ACU POWER SUPPLY (SINGLE POINT) 480V /3P /60HZ

HEATING MODE PERFORMANCE NONE ACU MCA / MOP (UNIT) 17 A / 25 A

DEHUMIDIFYING MODE PERFORMANCE NONE AHU POWER SUPPLY (SINGLE POINT) 480V /3p /60HZ

AHU MCA I MOP (UNIT\ 6 A / 15 A

TOWN OF WARRENTON

DETAILS AND SCHEDULES