20242064_Drawings.pdf

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S SHORTSTRAIGHTBOTTOMSLABBAR

B·STRAIGHTBOTTOMSLABB.I.R

2. ELiVHION OF TOP OF SLAB AT CENTER OF DIGESTER SHALL BE

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£OGE OF ROOF SLAB. SEETYPICAtWALLSECTIONFOR ELnHION AT EDGE OF ROOF

3 PROVIOESTAN0.1.ROMET.I.LB.I.R SUPPORTSASREOUIREDTO

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DIGESTER FLOW BOX PLAN SECTION (p\ 112 11 "'1'-0 1

METROPOLITAN WASTEWATER

MANAGEMENT COMMISSION

EUGENE•SPRINGFIELD

LANE COUNTY. OREGON

314 1 1 =- l'-01 61·5·2

EUGENE/SPRINGFIELD METROPOLITAN

WASTEWATER TREATMENT PLANT EXPANSION

PRIMARY DIGESTERS

STRUCTURAL

ROOF PLAN AND SECTIONS

DViG.

NO.

81-S-2

Digester Roof

SHOP WELD

TYP (24) PLACES

2j" (TYP)

EZup PANEL CONSISTS Of

(2) ASSEMBLY BEAMS ANO

(1) COVER PLATE

SECTION A-A

� 15'

1- NOMINAL

OVERLAP (TYP)

CLOSURE

PLATE

"" /""" TYP (24) �LACES

FIELD WELDING OF CLOSURE PLATES TO EZup PANELS

(TYP (12) PLACES)

EVERY OTHER PIE-SHAPED SECTION OF

THE COVER WlLL BE AN EZup PANEL

(CONSISTING OF (2) ERECTION BEAMS

ANO (1) COVER PLATE PRE-ASSEMBLED

lN OTl'S MANUFACTURING FACILITY).

TWELVE (12) EZup PANELS PROVIDED.

EVERY OTHER PIE-SHAPED

SECTION OF THE COVER

WILL BE A FIELD FIT ANO

WELDED CLOSURE COVER

PLATE. TWELVE (12)

PROVIDED.

TOP OF TANK WALL

EL 410.50'

TOP OF SIDE SKIRT

EL. 401.JJ'

SEE GASHOLDER SIDE

SKIRT DETAILS ON

SHEETS 2 & J

EQUIPMENT IDENTIFICATION

PLATE

CO\.'ER SHO'nN ON

THIS SIDE IN THE

LO'f.£REO POSITION

ON THE CORBELS

6r ANNULAR GAP

-SH---- BETVI-EEN COVER

ANO TANK WALL

MAX UCUIL L[VE

E .. 409.0L

TOP OF CORBEL

EL. 391.00'

BOTTOM OF TANK WALL

EL .387.oo·

>-- -- - --------- -60'-o·· TANK DIA---------------1

ILLUSTRATIVE SECTION

PLAN VIEW

THE NORTH DIGESTER IS SHOWN

THE SOUTH DIGESTER IS opp HAND

APPURTENANCE LIST

ALL APPURTENANCES ARE ORIENTED AS SHOV!N ON THE PLAN VIEW. on

SUPPLIES GASKETS AND 304 ST STL ASSEMBLY BOLTS ALL FOR

APPURTENANCE COVERS ANO EQUIPMENT SUPPLIED BY Oll.

(1) 6'-0'" DIA. CENTER RING WITH BOLTED AND CASKETED COVER AND

TWO (2) LIFTING LUGS. CENTER RING COVER IS ALSO SUPPLIED WITH (1)

r PLUGGED PRESSURE TAP ANO ,r PLUGGED AIR INPUT TAP.

(2) 48" D!A. MANHOLES WITH FLANGES SIZED AND DRILLED TO FIT on 48" EZlifl MANHOLE LIDS AS SHOWN.

SEE SHEET 4 FOR DETAILS.

(1) 20- DIA. GAS BONNET WITH BOLTED AND CASKETED COVER WlTH

LIFTING HANDLE. THE BONNET INCLUDES A 6" NOZZLE FOR CONNECTING

OF THE 6" ISOLATION PLUG VALVE AND THE 6- GAS DRAW-OFF LINE.

(1) 4"' SCH 40 NOZZLE EXTENDING FROM THE SIDE FO THE GAS BONNET

FOR MOUNTING OF THE ISOLATION PLUG VALVE AND PVR/FLAME

ARRESER. THE PLUG VALVE AND PVR/FLAME ARRESTER ARE PROVIDED

BY on.

(6) VERTICAL SLIDE-GUIDE ASSEMBLIES. SEE SHEET J FOR DETAILS.

(12) NEW J04 STAINLESS STEEL SUPPLIMENTAL CORBELS SEE SHEET 3

FOR DETAILS.

(12) CONCRETE BALLAST LOG INSTALLATION AND REMOVAL PORTS WITH

PLUGS. SEE SHEET 2 FOR DETAILS.

(12) CONCRETE BALLAST LOGS AND HANGERS. SEE SHEET 2 FOR

DETAILS.

6'" J04 STAINLESS STEEL GAS DRAW-OFF PIPING WITH STAINLESS STEEL

SWlVEL JOINTS AND VlTON SEALS. SEE SHEET 4 FOR DETAILS.

(1) COUNTERBALLAST BLOCK REQUIRED TO OFFSET WEIGHT OF GAS

BONNET AND GAS PIPING ON OPPOSITE SIDE OF COVER. SEE SHEET 2

FOR DETAILS.

0 .. rc 07/10/08 MSOR-"IIIUG COHSIStsor DESCRIPTION OfCli"-NGtSMAOCON 1HISIIE"190N (4)SHECTSE4Cti0f.......oi H-"S ns u.m REY ln€l. I. RE\-ISW �o- BAU.AST LOC! to 39• f---f---+-- - - ------12· 8--..V.SI Sil£ Ol"-NCC l'ICREASCO USASU: CAS STOIIAC� 8V �100 C\I H

>--+----t CURRENT SHEET RE'o4SION 1.£'.<LS:

GENERAL NOTES

1. DL YMPUS TECHNOLOGIES, INC. (OTI) IS TO 5. THE MINIMUM STEEL PLATE THICKNESS IS SUPPLY TWO (2) GASHOLDER COVERS AS SHOWN TO BE i" UNLESS NOTED.

AND NOTED.

2. THE GASHOLDER COVER AND GUIDE SYSEM

ARE DESIGNED TO SUPPORT ALL DEAD LOADS

PLUS THE FOLLOWING ADDITIONAL LOADS PER

AISC CODE REOUIREMEN TS:

16� W.C. INTERNAL DESIGN PRESSURE

40 PSF LIVE AND SNOW LOADING

2" WC VACUUM LOADING

25 PSF WIND

J. ESTIMATED TOTAL COVER WEIGHT FOR EACH

CO\IER (INCLUDING GUIDES) IS APPROX. 74500

LB.

4. MATERIALS OF CONSTRUCTION SHALL BE:

STRUCTURAL RCUED STEEL SHAPES - ASTM

A36, 36000 PSI MIN. YIELD STRENGTH

PIPES - ASTM A53, GRADE B

STRUCTURAL TUBING - ASTM ASOO

46000 PSI MIN. YIELD STRENGTH

6. FIELD W£LDJNG SHALL CONFORM TO

LATEST EDITION OF AWS Dl.1 ANO SHALL BE

PERFORMED BY WELDERS CERTIFIED BY AWS

IN THE PROCEDURES USED. £70,cx ELECTRODES. OR EQUAL FCAW v.tRE. SHALL

BE USED UNLESS NOTED OTHERWISE. C.P

WELDS SHALL BE WELDED WlTH E7018 LOW

HYDROGEN ELECTROOES OR EQUAL FCAW

WlRE.

7. on Will SUPPLY THE DIGESTER COVERS

TO THE FIELD AS BARE METAL.•

8. AN ASTERISK (•) INDICATES ITEMS 'MUCH

VARY FROM THE CONTRACT DOCUMENTS.

DRAWING CERTIFICATION

CUSTOMER: OTY OF EUGENE. OR

PROJECT NAME: RIVER AVENUE WWTP

LOCATION: EUGENE. OR

PURCHASE ORDER NUMBER:

on JOB NUMBER: 0820-10

�OTI EQUIPMENT APPROVAL DRAWING

MOOEL 60GX GASHOLDER COVER

0820-10

Olympus Technologies, Inc.

# 1 Sludge Holding Tank