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CONSTRUCTION DRAWINGS FORBIDDING DOCDMNTS

SOUTH RIVANNA WATER TREATMENT PLANT RAW WATER PUMP STATION

LEAF SCREEN REPLACEMENT RIVANNA WATER & SEWER

AUTHORITY

ALBEMARLE COUNTY, VIRGINIARWSA RFB NO. 329

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G GENERALP PROCESSM MECHANICAL E ELECTRICAL

SHEET IDENTIFIER

G GENERAL INFORMATION

R REMOVAL

PROJECT BID LOCATION —MOORES p CREEK ADVANCED WATER RESOURCE RECOVERY FACILITY:695 MOORES CREEK LANE, CHARLOTTESVILLE, VIRGINIA 22902

CHARLOTTESVILLEALBEMARLE COUNTY

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Sheet List TableSheet Number Sheet TitleGeneral

GG1 COVER AND INDEX

GG2 OVERALL SITE PLAN

Removal

R1 PROCESS REMOVAL PU\N AND SECTION

Process

P1 RAW WATER PUMP STATION PLANS

P2 RAW WATER PUMP STATION SECTIONS

P3 RAW WATER PUMP STATION SECTIONS AND DETAILS

E lectrical

E1 ELECTRICAL SYMBOLS & ABBREVIATIONS &ONE-LINE DIAGRAM

E2 ELECTRICAL DEMO & POWER PLANS

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REMOVE % " SOLENOID VALVE FOR DRAINAGE

0 REMOVE ? ISOLATION VALVE

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GENERAL NOTES:

CONTRACTOR SHALL COORDINATE WITH OWNER STAFF FOR ISOLATION OF Dl PIPE BEFORE REMOVAL OF 2" Dl PIPE. CONTRACTOR SHALL CLEAN DEBRIS AND MATERIAL FROM THE CONCRETE CHANNEL BELOW THE WATER LEVEL PRIOR TO INSTALLATION OF THE SCREEN.OWNER'S STAFF SHALL OPERATE THE SLUICE GATES TO BYPASS AND ISOLATE THE EXISTING LEAF SCREEN CHANNEL PRIOR TO REMOVAL OF THE LEAF SCREEN.PROVIDE TEMPORARY WATER SUPPLY FOR CHEMICAL FEED SYSTEM PRIOR TO REMOVING ANY PIPING. SWITCHOVER SHALL BE COORDINATED WITH OWNER.SEE SPECIFICATION SECTION 01 11 00 FOR ADDITIONAL GENERAL NOTES AND PROJECT INFORMATION.

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UPPER PLAN VIEW

KEYNOTES:

( 1 ) EXTERNAL CHAIN DRIVEN LEAF SCREEN (HOUSING NOT SHOWN w FOR CLARITY), SEE NOTE 1

< T ) SOLENOID VALVE FOR DRAINAGE (BELOW)

(7) INSTALL SPRAY WASH NOZZLES

(~A ) EXISTING CHANNEL FOR LEAF SCREEN (LEAF w SCREEN FRAME NOT SHOWN FOR CLARITY)

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(7) TIE-IN TO EXISTING 4" DIP

( 8 ) FUTURE LEAF SCREEN CHANNEL TO BE “ USED FOR BYPASS DURING WORK

( 9 ) APPROXIMATE LOCATION OF w TEMPORARY WATER SUPPLY TAP

GENERAL NOTES:

1. CONTRACTOR SHALL USE EXISTING CHANNELS. CONTRACTOR SHALL COORDINATE DIMENSIONS OF EXISTING CONCRETE OPENING AN D EXISTING CHANNEL SIZE AND LOCATION, PLUS THE NEW LEAF SCREEN PRIOR TO BEGINNING ANY CONSTRUCTION. CONTRACTOR SHALL COORDINATE ANY DISCREPANCIES WITH EQUIPMENT MANUFACTURER AND ENGINEER PRIOR TO BEGINNING ANY CONSTRUCTION.

2. CONTRACTOR SHALL CONNECT SPRAY WASH SYSTEM TO THE PIPING SUPPLIED BY THE SCREEN MANUFACTURER.

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EXTERNAL C H A IN DRIVEN LEAF SCREEN, SEE NOTE 1

% " SO LENOID VALVE FOR D R AIN AG E

INSTALL SPRAY W ASH NOZZLES

2" ISOLATION VALVE

C O N TRAC TO R SHALL USE EXISTING CHANNELS. C O NTRACTO R SHALL C O O R D IN ATE DIM ENSIONS OF EXISTING CONCRETE O P EN IN G A N D EXISTING C H AN NE L SIZE A N D LO C A TIO N , PLUS THE NEW LEAF SCREEN PRIOR TO BEG IN N IN G A N Y CONSTRUCTION. C O N TRAC TO R SHALL C O O R D IN ATE A N Y DISCREPANCIES WITH EQUIPMENT M ANUFACTURER A N D ENGINEER PRIOR TO B EG IN N IN G A N Y CONSTRUCTION.C O N TRAC TO R SHALL SEAL V O ID SPACE BENEATH LEAF SCREEN FRAME AS PER MANUFACTURER'S R EC O M M E N DA TIO N S. C O N TR A C TO R SHALL C O N N E C T SPRAY W ASH SYSTEM TO THE PIPING SUPPLIED BYTHE SCREEN M ANUFACTURER.C O N TRAC TO R SHALL INSTALL LEAF SCREEN LEVEL SENSORS PER M ANUFACTURER'S R EC O M M E N DA TIO N S.

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SUPPLIED BY C O N TR A C TO R

WASH NOZZLES (SUPPLIED BY SCREEN MFR)

S O LEN O ID VA LV E FOR D R A IN A G E (SUPPLIED BY C O N TR A C TO R )

NOTE:INSTALL U NIONS IN POSITIONS THAT W ILL PERMIT VALVES O R EQUIPMENT TO BE R EM O VE D WITHOUT D ISM AN TLING A D JA C E N T PIPING.

W ASH NOZZLES (SUPPLIED BY

C O N TR A C TO R )

PIPING SCHEMATIC

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2“ x2 "x l /2 " COPPER TEE (TYP)

1/2" COPPER (TYP)

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EQ EQ EQ1/2 1/2EQ EQ

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DETAIL1/ 2 'P3

KEYNOTES: GENERAL NOTES:

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SEAL PENETRATION WITH APPR O VE D GROUT

4" 90° BEND

4"x2" REDUCER

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1. C O N TR A C TO R SHALL C O N N E C T SPRAY W ASH SYSTEM TO THE PIPIN G SUPPLIED BY THE SCREEN M ANUFACTURER.

2. C O N TR A C TO R SHALL PLACE NOZZLES AS REQUI RED TO SPRAY A L O N G PLANE O F BOTTOM C H AN NE L.

3 . C O N TR A C TO R SHALL C O O R D IN A TE WITH THE O W N ER FOR TEM PORARY C H E M IC A L FEED SYSTEM WATER SUPPLY. TEM PORARY SUPPLY PIPING A N D ROUTING IS SUBJECT TO ENGINEER AP PR O VA L.

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___► LP' 1 NAME SHOWN ABOVE CIRCUIT NUMBER(S) AND TAGGED TO

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ELECTRICAL ABBREVIATIONS

3/4"C.,2#12,#12G

INDICATE CONDUIT AND CONDUCTOR SIZES. CIRCUITING SIZES NOT SHOWN SHALL BE MINIMUM 3/4"C. WITH #12 AWG. CONDUCTORS AND SIZED PER NEC REQUIREMENTS.

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CONDUIT EXPOSED— CONDUIT CONCEALED -o CONDUIT TURNING UP -3 CONDUIT CAPPED— OVERHEAD ELECTRICAL LINE— UNDERGROUND CONCRETE ENCASED ELECTRICAL DUCT BANK— UNDERGROUND CONCRETE ENCASED ELECTRICAL BANK

ROUTED BENEATH SLAB-ON-GRADE

— DIRECT BURIED CONDUIT— GROUND CONDUCTOR

INDICATES THAT ALL OR PART OF CIRCUIT MAY BE ROUTED IN DUCT BANK OR UNDERGROUND. CONDUIT SIZE SHOWN ON ONE-LINE IS ABOVE GROUND AND/OR INSIDE OF STRUCTURE. SEE DUCT BANK SCHEDULE AND SECTIONS FOR CONDUIT SIZE OF UNDERGROUND PORTION OF CIRCUIT.

POWER OR DISTRIBUTION CABINETPOWER OR LIGHTING PANELBOARDMOTOR AND MOTOR SWITCHMETERDISCONNECTMOTOR STARTERCOMBINATION STARTER/DISCONNECTTRANSFORMERSINGLE RECEPTACLEDUPLEX RECEPTACLECEILING RECEPTACLECEILING RECEPTACLESPECIAL PURPOSE RECEPTACLE

JUNCTION BOX

SCHEMATIC SYMBOLSAT MOTOR (SCHEMATIC DEVICE LOCATION)AT PLC (SCHEMATIC DEVICE LOCATION) CONNECTION POINT EXTERNAL CONNECTION POINT GROUND

CIRCUIT BREAKER DRAWOUT CIRCUIT BREAKER

SWITCHFUSE

NORMALLY OPEN PUSH-BUTTON NORMALLY CLOSED PUSH-BUTTON

SELECTOR SWITCH

NORMALLY CLOSED CONTACTS NORMALLY OPEN CONTACTS FIXED CAPACITOR

MUSHROOM HEAD PUSH-BUTTON NORMALLY CLOSED LIMIT SWITCH NORMALLY OPEN LIMIT SWITCH

SOLENOID

MOTOR- NUMBER DENOTES HORSEPOWER

CURRENT TRANSFORMER POTENTIAL TRANSFORMER

METERING DEVICE

FUSED DISCONNECT

MAGNETIC STARTER

THERMAL OVERLOAD RELAY

TRANSFORMER

PILOT LIGHT

STARTER, CONTACTOR OR RELAY COIL

MISC. SYSTEM COMPONENT:LE = LEVEL ELEMENTLIT = LEVEL INDICATING TRANSMITTERFE = FLOW ELEMENTFIT = FLOW INDICATING TRANSMITTERFS = FLOW SWITCHHS = HAND SWITCHPB = PULLBOXSS = SOFT STARTERTS = TAMPER SWITCHATS = AUTOMATIC TRANSFER SWITCHHOA = HAND OFF AUTO SELECTOR SWITCHTVSS = TRANSIENT VOLTAGE SURGE SUPPRESSERVFD = VARIABLE FREQUENCY DRIVESV = SOLENOID VALVEZS = POSITION SWITCH

A AMBER, AMPERE, ALARMAC ALTERNATING CURRENTAFF ABOVE FINISHED FLOORAR ALARM RELAYAWG AMERICAN WIRE GAUGEBLDG BUILDINGCB CIRCUIT BREAKERCKT CIRCUITCP CONTROL PANELCPT CONTROL POWER TRANSFORMERCR CURRENT OR CONTROL RELAYCT CYCLE TIMER OR CURRENT

TRANSFORMERCV CONTROL VALVE2/C 2 CONDUCTOR4"C 4" CONDUITDC DIRECT CURRENTDPDT DOUBLE POLE DOUBLE THROWDPST DOUBLE POLE SINGLE THROWDP DIFFERENTIAL PRESSUREDPS DIFFERENTIAL PRESSURE SWITCHDS DISCONNECT SWITCHDWG DRAWINGEC EMPTY CONDUITEXIST EXISTINGFDR FEEDERFE FLOW ELEMENTFIT FLOW INDICATING TRANSMITTERFS FLOW SWITCHG GROUNDGFI GROUND FAULT INTERRUPTERGFCI GROUND FAULT CKT INTERRUPTERGND GROUNDHOA HAND-OFF-AUTOHP HORSEPOWERHZ HERTZ (CYLES PER SECOND)I/O INPUT/OUTPUTINST INSTANTANEOUSJ JUNCTION BOXKCMIL THOUSAND CIRCULAR MILSKV Kl LI VOLTKVA KILIVOLT AMPEREKVAR KILOVARKW KILOWATTKWH KILOWATT HOURLE LEVEL ELEMENTLIT LEVEL INDICATING

TRANSMITTERLS LEVEL SWITCHM MAGNETIC MOTOR STARTERMCC MOTOR CONTROL CENTERMFR MANUFACTURERMOV MOTOR OPERATED VALVEMS MANUAL MOTOR STARTERMTR MOTORMV MILLIVOLT, MEDIUM VOLTAGEN NEUTRALNC NORMALLY CLOSEDNO NORMALLY OPEN0 OPENOL OVERLOADPB PUSHBUTTON OR PULL BOXPLC PROGRAMMABLE LOGIC

CONTROLLERPH PHASEPS PRESSURE SWITCH2P 2 POLERGS RIGID GALVANIZED STEELSCADA SUPERVISORY CONTROL AND

DATA ACQUISITIONS2 SIZE 2 STARTERSN SOLID NEUTRALSP SINGLE POLESPDT SINGLE POLE DOUBLE THROWSPST SINGLE POLE SINGLE THROWSS SELECTOR SWITCHS.S. STAINLESS STEELSSRV SOLID STATE REDUCED

VOLTAGE STARTERSV SOLENOID VALVESWBD SWITCHBOARDSWGR SWITCHGEARTB TERMINAL BLOCKTD TIME DELAY RELAYUG UNDERGROUNDV VOLTSVA VOLT AMPEREVAR VOLTAMPERE REACTIVEVFD VARIABLE FREQUENCY

DRIVEVM VOLTMETERW WHITE OR WATTSWE WEIGHT ELEMENTWIT WEIGHT INDICATING

TRANSMITTERXFMR TRANSFORMER

DEFINITIONS NOTESTHE TERMS LISTED BELOW ARE DEFINED AS FOLLOWED:

1. FURNISH: OBTAIN, COORDINATE, DELIVER TO THE JOB SITE AND GUARANTEE.

2. INSTALL: FURNISHED BY OTHERS, RECEIVE ON SITE, UNLOAD, STORE, SET IN PLACE, CONNECT, PLACE IN OPERATION AND GUARANTEE WORKMANSHIP OF INSTALLATION.

3. PROVIDE: FURNISH AND INSTALL

4. CONNECT: BRING SERVICE TO THE EQUIPMENT AND MAKE FINAL ATTACHMENTS, INCLUDING NECESSARY DISCONNECT SWITCHES, CONTROL SWITCHES, OUTLETS, ETC.

5. CONDUIT: IN ADDITION TO CONDUIT INCLUDES FITTINGS, HANGERS, PULLBOXES, SUPPORTS, ETC. AS REQUIRED FOR A COMPLETE AND PROPER INSTALLATION.

6. CONCEALED: HIDDEN FROM SIGHT IN WALLS, CEILINGS OR FLOORS..

7. EXPOSED: SURFACE MOUNTED, NOT HIDDEN FROM SITE.

8. BUILDING STRUCTURE: COLUMNS BEAMS, JOIST BRIDGING SHALL NOT BE USED FOR SUPPORTING ELECTRICAL EQUIPMENT.

9. RELOCATE: EXISTING EQUIPMENT TO BE RELOCATED TO NEW LOCATION AND EXISTING CONDUIT AND BRANCH CIRCUITING (CONDUCTORS) TO BE EXTENDED TO NEW LOCATION AND RECONNECTED.

10. CIRCUITRY: CONDUIT, CONDUCTORS AND CONNECTIONS FOR A COMPLETE OPERATIONAL SYSTEM.

GENERAL WIRING METHODS:

1. USE NO. 10 AWG CONDUCTOR FOR 20 AMPERE, 120-VOLT BRANCH CIRCUIT HOME RUNS LONGER THAN 75 FEET; AND FOR 20 AMPERE, 277-VOLT BRANCH CIRCUIT HOME RUNS LONGER THAN 150 FEET.

ELECTRICAL SHEET INDEXE1E2

ELECTRICAL SYMBOLS & ABBREVIATIONS & ONE-LINE DIAGRAM ELECTRICAL DEMO & POWER PLANS

CONTACTINFORMATION:PETER CHRISTENSEN PHONE: 651.318.0368 E-MAIL: pchristensen@sehinc.com

THOMAS HONER, PE PHONE: 651.256.0434 E-MAIL: thoner@sehinc.com

LEAF SCREEN CONTROL PANEL

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LEAF SCREEN CONTROL PANEL ONE-LINE DIAGRAMSCALE: NONE

WIDTH OF RACK SHALL BE DETERMINED BY WIDTH OF LEAF SCREEN CONTROL PANEL

1/8" THICK ALUMINUMPLATE FOR MOUNTING EQUIPMENT,BOLTED TO CHANNELS v

C4-5.4 ALUMINUM CHANNEL

MAX.

1/2" DIA. ADHESIVE ANCHORS (4 PER BASE PLATE) ALUMINUM ANGLE

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GENERAL NOTESA. SPLICE CONDUCTORS ONLY IN JUNCTION BOXES

OR INSIDE PANEL

B. CONDUIT SHALL BE RIGID STEEL CONDUIT.

C. CONDUCTORS SHALL BE THHN/THWN.

I] Il II II II II II II II II II II II II II II II II II II II II II II II II II I□ E

§

LEAF SCREEN CONTROLLER

PP-2(EXISTING)

(EXISTING)

ELECTRICAL DEMO PLAN

D. COORDINATE WITH OWNER PRIOR TO ROUGH-IN FOR CONDUIT.

E. COORDINATE CONDUIT RUNS WITH OWNER.

F. SEE SPECIFICATION SECTION 40 90 00 FOR SCADA AND PROGRAMING.

KEYED NOTES( ? ) DISCONNECT EXISTING MOTOR STARTER FOR EXISTING

LEAF SCREEN BUT LEAVE IN PLACE IN EXISTING MCC.

( 2) REMOVE EXISTING LEAF SCREEN AND LEAF SCREEN CONTROLLER. REMOVE ALL EXISTING CONDUCTORS AND REMOVE ALL EXPOSED CONDUIT.

( 3) FURNISH AND INSTALL NEW 20A CIRCUIT FROM EXISTING PANEL PP-2 TO NEW LEAF SCREEN CONTROL PANEL. USE EXISTING SPARE 20A CIRCUIT BREAKER IN PANEL PP-2.

( 4) FURNISH AND INSTALL CONTROLS CIRCUITS FROM NEW LEAF SCREEN CONTROL PANEL TO EXISTING PLC. SEE SHEET E1 FOR ONE-LINE DIAGRAM.

( 5) FURNISH AND INSTALL POWER AND CONTROLS CIRCUITS TO NEW LEAF SCREEN AND ASSOCIATED INSTRUMENTS FROM NEW LEAF SCREEN CONTROL PANEL. SEE SHEET E1 FOR ONE-LINE DIAGRAM.

( 6 ) MOUNT NEW LEAF SCREEN CONTROL PANEL ON UNISTRUT RACK MOUNTED TO FLOOR. WALL DOES NOT HAVE STRUCTURAL SUPPORT TO MOUNT CONTROL PANEL. SEE DETAIL 2 ON SHEET E1.

( ? ) LOCAL CONTROL BOX WITH E-STOP (PUSH-PULL TYPE) AND SPRING LOADED JOG REVERSE SWITCH.

( D CONTROL PANEL SHALL HAVE HAND-OFF-AUTO CONTROL.

( 9 ) RUN CONDUIT ALONG WALL.

@ WALL PENETRATION.

THOMAS DUWAYNE HONER

Lie. No. 046738

0>■*

09-26-16

ELECTRICAL POWER PLAN

I PP-2 (D 1 (EXISTING)

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