WWTP 2018 CRITICAL IMPROVEMENTS

NORTH BEND

KING COUNTY

WASHINGTON

G&O JOB #18600.00

SEPTEMBER 2018

CITY OFFICIALS

City Council

PUBLIC WORKS DIRECTOR CITY ENGINEERPUBLIC WORKS DEPUTY DIRECTOR

City Council

701 DEXTER AVENUE NORTH SUITE 200

SEATTLE, WASHINGTON 98109 (206) 284-0860

CONSULTING ENGINEERS

City Council

BRENDEN ELWOOD TREVOR KOSTANICH ALAN GOTHELF

ROSS LOUDENBACKJONATHAN ROSENMARTIN VOLKEN

CHRIS GARCIA

DONALD DEBERG, P.E.THOMAS MOHR, P.E.MARK RIGOS, P.E.

KENNETH G. HEARING LONDI LINDELL

Mayor City Administrator

09-24-2018

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NORTH BEND

WASTEWATER

TREATMENT

PLANT

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G-1

LOCATION MAP

VICINITY MAP

SNOQUALMIE

SHEET INDEX

SHEET NO. DESCRIPTION

NEWEXISTING

GENERAL SYMBOLS

ABBREVIATIONS

SYMBOL LEGEND

GENERAL NOTES :

PROCESS PIPING ABBREVIATIONS

DRAWING TITLE

SECTION

EXAMPLE OF SECTION NUMBERING SYSTEM

AND PLAN/DRAWING TITLES

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G-2

CLARIFIER

NO. 3

SOLIDS

HANDLING

BUILDING

CONTROL

BUILDING

OUTFALL

DIFFUSION

MANHOLE

CLARIFIER

NO. 1

EFFLUENT

STRUCTURE

PUMP

HOUSE

CLARIFIER

NO. 3

ORIGINAL

TREATMENT

BUILDING AND

INFLUENT PUMP

STATION

FORMER

YOUTH

ACTIVITY

BUILDING

HEADWORKS

ULID #6

LIFT

STATION

OXIDATION

DITCH

PARCEL A

PARCEL G

PARCEL H

PARCEL E

PARCEL F

CLARIFIER

NO. 2

WW

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G-3

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WWTP GENERAL SITE PLANWWTP GENERAL SITE PLAN

CONSTRUCTION NOTES:

SURVEY CONTROL

VERTICAL DATUM

BENCHMARK

MERIDIAN

BASIS OF BEARING

FLOOD PLAIN

CRUSHED SURFACING

PAVEMENT DETAIL ASPHALT PAVEMENT DETAIL ASPHALT PAVEMENT RESTORATION DETAIL

GRASS SURFACE RESTORATION DETAIL

ASPHALT BUTT JOINT DETAIL

GRASS SURFACING DETAIL FIXED GUARD POST DETAIL

SIDEWALK

CONCRETE SIDEWALK

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VIN

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S

GD-1

PIPING SYMBOLSPROCESS PIPING, VALVE, GATE AND EQUIPMENT IDENTIFICATIONS

EQUIPMENTPROCESS PIPING

VALVES AND GATES

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PIPE PENETRATIONS THROUGH CONCRETE WALLS AND FLOORS DETAILS

TYPICAL FLUSHING/SAMPLING CONNECTION DETAILS PRESSURE GAUGE (LIQUID SERVICE) DETAIL

PRESSURE TRANSMITTER PIPE INSTALLATION DETAIL

GREATER THAN 3" DIA

PVC OR HDPE PIPE

FLOORS

WALLS

STEEL PIPE CAST OR DUCTILE

IRON PIPE

PIPE PENETRATION THROUGH EXISTING

AND PRECAST CONCRETE WALLS

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M-2

PUMP HOUSE BASEMENT PLAN

CONTROL PANEL SUPPORT DETAIL

PUMP HOUSE MAIN FLOOR PLAN

CONTROL PANEL SUPPORT DETAIL

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M-3

DEMOLITION PLAN

SECTION

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M-4

MODIFICATION PLAN

SECTION

DETAIL

DETAIL

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M-5

SLUICE GATE SCHEDULE

DETAIL

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M-6

GENERAL STRUCTURAL NOTES

CLARIFIER

NO. 3

OXIDATION

DITCH

TEMPERATURE

MITIGATION

STORAGE

TANK NO. 1

TEMPERATURE

MITIGATION

STORAGE

TANK NO. 2

AERATION ROTOR [AR 203] SUPPORT DETAIL - PLAN DETAIL

SECTION

OX

ID

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A

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EP

AIR

S

M-7

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OXIDATION DITCH ROTOR REPAIR SITE PLAN

PLAN

SECTION

OXIDATION

DITCH

SECTION

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M-8

EXISTING GATE DETAIL MODIFIED GATE DETAIL (NORMAL OPERATION) MODIFIED GATE DETAIL (SCREEN MAINTENANCE OPERATION)

YOKE SUPPORT DETAIL YOKE SUPPORT DETAIL

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S

M-9