20262035_A1_Clarifier_Drawings.pdf
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- Solicitation number
- S-KE0010-00016859
- Issued by
- Lane County, Oregon
About this file
Technical Clarifier Drawings Summary
This document set consists of record drawings for clarifier enhancements and two new secondary clarifiers at the Lane County, Oregon MWMC Primary and Secondary treatment facility serving the Eugene-Springfield area under contract number P80033. The drawings, prepared by CH2M Hill and dated January 2006 with record drawing revisions in July 2008, provide comprehensive mechanical and civil plans for the secondary clarifier complex expansion. The project includes detailed specifications for two new secondary clarifiers (numbered 9 and 10), modifications to existing secondary clarifiers (numbers 1-8), sediment and erosion control measures, and construction entrance requirements. The drawings specify protection of existing clarifiers 4 and 8 during construction, installation of biofilter bag inlet barriers, gravel construction entrances, sediment fencing, and maintenance of one-lane traffic access with flaggers along the roadway. Key mechanical specifications include new clarifier mechanisms with 52-inch to 60-inch center columns, various piping configurations (ranging from 1-inch to 54-inch diameter), scum troughs, density current baffles, spray nozzles, and automated gate systems for influent, launder, and drain control. The drawings indicate coordination requirements with clarifier mechanism manufacturers for field verification of elevations and dimensions, and contractor responsibility for designing and restoring a concrete wash area.
The technical drawings establish precise elevation data (including top of grout elevations at 395.36 feet), clarifier radii specifications (65-foot and 60-foot 10-inch configurations), and detailed mechanical component locations and connections. All drawings are marked as record drawings with notation that they were prepared partially on basis of information compiled by others, with the engineer disclaiming responsibility for errors or omissions. The document set includes plan views at 1/8-inch scale, typical sections and details at 3/16-inch scale, and mechanical schematic diagrams. The work includes installation of new walkways, FRP (fiber-reinforced plastic) components including v-notch weirs and scum baffles, water cannons, sludge blanket detectors, and comprehensive piping and valve systems. A critical note prohibits dewatering clarifiers if adjacent groundwater is above the lowest point of the clarifier floor slab, indicating careful environmental and geotechnical coordination requirements during construction.
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Text version
1 2 3
0 30 60 90
Scale In Feet
N
PROTECT
EXISTING
CLARIFIERS
NO. 4 AND
NO. 8 DURING
CONSTRUCTION
NEW SECONDARY
CLARIFIER 10
PROVIDE BIOFILTER
BAG INLET BARRIER
NEW SECONDARY
CLARIFIER 9
CONSTRUCT GRAVEL
CONSTRUCTION ENTRANCE
12’
MIN
CONSTRUCT GRAVEL
CONSTRUCTION ENTRANCE 2710
N 2155.00
E 3524.85
INSTALL SEDIMENT
FENCE AS SHOWN
PROVIDE BIOFILTER
BAG INLET BARRIER
PROVIDE BIOFILTER
BAG INLET BARRIER
NEW ML CHANNEL
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05-CL-102
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JANUARY 2006
MAINTAIN ONE-LANE ACCESS
ALONG ROAD. PROVIDE FLAGGERS
AS NEEDED TO ALLOW SAFE FLOW
OF TRAFFIC
NEW ACCESS PLATFORM,
TYP OF 8 EXISTING
CLARIFIERS
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RECORD DRAWINGS
Revisions Drawn By Date
THESE RECORD DRAWINGS HAVE BEEN PREPARED, IN PART, ON
THE BASIS OF INFORMATION COMPILED BY OTHERS. THEY ARE
NOT INTENDED TO REPRESENT IN DETAIL THE EXACT LOCATION,
TYPE OF COMPONENT NOR MANNER OF CONSTRUCTION. THE
ENGINEER WILL NOT BE RESPONSIBLE FOR ANY ERRORS OR
OMISSIONS WHICH HAVE BEEN INCORPORATED INTO THE
RECORD DRAWINGS.
JH BAUM JULY 2008
NOTE:
1. CONTRACTOR IS TO DESIGN CONCRETE WASH AREA
THAT WILL CONTAIN EXCESS CEMENT AND CONCRETE
WASHED DURING CONSTRUCTION. UPON COMPLETION
OF WORK, CONTRACTOR SHALL RESTORE CONCRETE
WASH AREA TO ORIGINAL OR BETTER CONDITION.
EXISTING FENCE
REMOVEDEXISTING FENCE
REMOVED
NEW FENCE,
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GATE GATEGATEGATE
II
W
GATE
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GATE
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SET IRSET IRSET IR
395395395395
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GATE
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SET IRSET IRSET IR
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SET IRSET IRSET IRSET IR
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#6
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#7
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#8
EXISTING SECONDARY CLARIFIER
COMPLEX KEY PLAN
CLARIFIER #6 PLAN
1/8"=1’-0"
N
R A D
IU
S 65’-0"
45°
45°
04DRE12-08
04DRE12-06
TOP OF GROUT
HPT EL 395.36
DIRECTION
OF ROTATION
EXISTING 48" ML
(CONCRETE ENCASED)
EXISTING 24" RAS
(CONCRETE ENCASED)
EXISTING 10" HS/D
EXISTING 6" SSM
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20-M-144
J B
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H A
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JANUARY 2006
SECONDARY #6 CLARIFIER
INFLUENT GATE
04HV10-06
04HV10-08
04FV10-06
04FV10-08
SECONDARY #6 CLARIFIER
EAST LAUNDER GATE
04HV12-06E
04HV12-08E
04HV12-06W
04HV12-08W
NOTE 1
40°
5°
135°
1’-0" 1’-0"
TOP OF GROUT
LPT EL 394.36
TOP OF GROUT
LPT EL 394.36
1’-0"
SECONDARY
CLARIFIER #6
MECHANISM
NOTE 4
46°
SECONDARY #6
CLARIFIER ROW GATE
DENSITY
CURRENT
BAFFLE
15201
’-0
" NOTE 3
NOTE 3
FRP SCUM BAFFLE
G
20-M-202
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NOTES:
1. INSTALL NEW CLARIFIER MECHANISM. FIELD VERIFY ELEVATIONS AND
DIMENSIONS WITH THE CLARIFIER MECHANISM MANUFACTURER.
BRIDGE SHALL BE INSTALLED FLUSH TO THE EXISTING PLATFORM
AND SHALL HAVE THE SAME WALKWAY SURFACE ELEVATION AS THE
EXISTING PLATFORM.
2. INFORMATION SHOWN ON THIS PLAN IS TYPICAL FOR SECONDARY
CLARIFIER #3. EQUIPMENT TAGS SHOWN WITH ARE ASSOCIATED
WITH CLARIFIER #8.
3. PROVIDE DEEPENED SCUM BAFFLE 40’ AHEAD OF AND 10’ BEHIND SCUM
TROUGH. SCUM TROUGH OUTLET LOCATION SHALL BE COORDINATED WITH
THE MANUFACTURER AND IN ACCORDANCE WITH SPECIFICATION 11337.
4. REPAIR/REPLACE COATING/GROUT BASE SLAB TOPPINGS AS DIRECTED BY
ENGINEER.
5. REMOVE EXISTING W2 PIPING FROM ALONG EXISTING BRIDGE TO THE EXISTING
PVC COUPLING. CONNECT NEW W2 PIPING FROM NEW BRIDGE PER
SIMILAR FOR SECONDARY CLARIFIERS 6 AND 8. 1
20-M-201
FRP V-NOTCH WEIR,
TYPE B
6" V915 W/
EXTENSION STEM,
TYP OF 4
1" W2
1 1/2" W2
REMOVE AND REPLACE
EXISTING POST HYDRANT
WITH NEW 1 1/2" V238,
TYP OF 2
2" W2
4" W2
3" W2
SCUM TROUGH
AND BEACH,
NOTE 3
EDI WELL
1 1/2" V236
15162 SIM
2" WATER
CANNON
15120
FLOCCULATION FEED
2 1/2" W2, NOTE 5
SECONDARY #6 CLARIFIER
WEST LAUNDER GATE
’-0
SLUDGE BLANKET
DETECTOR
4NS
12-06
4NSH
12-06
4NSH
12-08
4NS
12-08
TORQ TORQ
HIHI
TORQ TORQ
HIHI
RECORD DRAWINGS
Revisions Drawn By Date
THESE RECORD DRAWINGS HAVE BEEN PREPARED, IN PART, ON
THE BASIS OF INFORMATION COMPILED BY OTHERS. THEY ARE
NOT INTENDED TO REPRESENT IN DETAIL THE EXACT LOCATION,
TYPE OF COMPONENT NOR MANNER OF CONSTRUCTION. THE
ENGINEER WILL NOT BE RESPONSIBLE FOR ANY ERRORS OR
OMISSIONS WHICH HAVE BEEN INCORPORATED INTO THE
RECORD DRAWINGS.
JH BAUM JULY 2008
SAFETY BARS,
TYP OF 2
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FILENAME: PLOT DATE: PLOT TIME:20nm144d_328092.dgn 8/18/2008 7:12:36 AM
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Typical Secondary Clarifier 1-8
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20-M-201
B
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H A
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JANUARY 2006
A 3/16"=1’-0"
20-M-141
NEW 6" SSM,
NOTE 1
1’-0"
TYP
TYP OF 7 SPACES
BETWEEN 8 SPRAY
NOZZLES
15162 SIM
15193
SPRAY NOZZLES
SCUM TROUGH
AND BEACH
04EDRE12-01
SECONDARY #1 CLARIFIER
DRIVE
EDI
WELL
DENSITY
CURRENT
BAFFLE
52" CENTER
COLUMN
SLUDGE
HEADER
48" ML
24" RAS
4’-8"7’-0
FLEXIBLE
CONNECTION
TYPICAL SECTION
4’-0"4’-0" 10" 2" V300
1 1/2"
V300 1 1/2"
W2
TYP
1 1/2" W2
TO FAR SIDE
OF WALKWAY
1 1/2" W2
FROM FAIR SIDE
OF WALKWAY
FLOCCULATION
WELL
15201
NEW
WALKWAY
15162 SIM
SPRAY NOZZLE
15193
1" V300
DRAIN
CONNECT NEW 2 1/2" W2 TO
EXISTING PVC W2 AT COUPLING
2 1/2"’ W2
20-M-141
EXISTING 6" SSM
FROM ML CHANNEL
CONTROL STRUCTURE
HEADER/MANIFOLD DETAIL
3/16"=1’-0"
NEW 52"
CENTER
COLUMN
NOTE 3
NEW 24" RAS
3"
BUTT STRAP, NOTE 4
NOTES:
1. CONNECT TO EXISTING 6" SSM AND ROUTE TO NEW SCUM TROUGH.
USE LONG RADIUS ELBOWS AND/OR 45° ELBOWS WITH SLOPED PIPING.
2. CONTRACTOR TO VERIFIY AND COORDINATE ALL DIMENSIONS WITH
CLARIFIER MECHANISM MANUFACTURER.
3. CONTRACTOR TO CUT EXISTING 24" RAS TO BELOW THE CLARIFIER
FLOOR AS NECESSARY TO INSTALL ELBOW. COORDINATE ELBOW
FABRICATION AND CONNECTION TO THE CENTER COLUMN WITH
CLARIFIER MECHANISM MANUFACTURER.
4. WELD NEW PIPE ONTO EXISTING RAS PIPE AND NEW CENTER COLUMN.
REPAIR PIPE LINING AND PIPE COATING.
MANUFACTURERCONTRACTOR
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W2 PIPING SCHEMATIC
20-M-142
20-M-143
20-M-144
1 1/2" V236
2" WATER
CANNON
15120
INSIDE
FLOCCULATION WELL
2 1/2" V300
CENTER
PLATFORM
2’-8"
3’-1.5"
*COORDINATE AND CONFIRM DIMENSIONS WITH CLARIFIER
MECHANISM MANUFACTURER.
1 1/2" V236
EL 396.35
FRP
SCUM BAFFLE
FRP
V-NOTCH WEIR,
TYPE B
6" V915 W/
EXTENSION STEM,
TYP OF 4
NTS
2" W2
1 1/2" W2
INSTALL 1/2" V300
IN 2" W2 PIPING
@ BOTTOM OF
VERTICAL RISER, TYP
2 1/2" UNION
2 1/2" V300
3/4" V300
3/4" W2
TYPE 1 SPRAY
NOZZLES LOCATED
IN SCUM TROUGH,
TYP OF 2
2" V300
2" UNION
TYPE 1, TYP
EXTEND NOZZELS TO
WITHIN 8" OF WATER SURFACE
RECORD DRAWINGS
Revisions Drawn By Date
THESE RECORD DRAWINGS HAVE BEEN PREPARED, IN PART, ON
THE BASIS OF INFORMATION COMPILED BY OTHERS. THEY ARE
NOT INTENDED TO REPRESENT IN DETAIL THE EXACT LOCATION,
TYPE OF COMPONENT NOR MANNER OF CONSTRUCTION. THE
ENGINEER WILL NOT BE RESPONSIBLE FOR ANY ERRORS OR
OMISSIONS WHICH HAVE BEEN INCORPORATED INTO THE
RECORD DRAWINGS.
JH BAUM JULY 2008
PROJ
DATE
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FILENAME: PLOT DATE: PLOT TIME:20nm201d_328092.dgn 8/18/2008 7:13:23 AM
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Typcal Secondary Clarifier 1-8
CLARIFIER #10 PLAN
1/8"=1’-0"
N
5 6
SC
#1
SC
#2
SC
#3
SC
#4
SC
#5
SC
#6
SC
#7
SC
#8
SC
#9
SC
#10
EXISTING AND NEW SECONDARY CLARIFIER
COMPLEX KEY PLAN
N
DIRECTION
OF ROTATION
R
AD
IU
S ’-1
0"
TOP OF GROUT
HPT EL 395.36
45°
40°
135°
04DRE12-10
6" SSM
RADIU
S 6
5’- 0"
30-M-201
H
15150
SECONDARY
CLARIFIER #10
MECHANISM
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30-M-111
B
A U
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H A
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JANUARY 2006
04HV12-10W
04HV12-10E
SECONDARY #10 CLARIFIER
EAST LAUNDER GATE
3/4" W2
LOWER LEVEL PARTIAL PLAN
1/8"=1’-0"
8’ -2
5’ -7
10" UD, TYP
10" HS/D
30" RAS
54" ML
15201
FLOCCULATION WELL
45°
45°
CL WALKWAY
SCUM TROUGH
AND BEACH
’-0
50°
54" ML
10" HS/D
SE BOX
04FV10-10
04HV10-10
04DV10-10
SECONDARY #10 CLARIFIER
ROW AUTOMATIC GATE
SECONDARY #10
CLARIFIER INFLUENT GATE
SECONDARY #10 CLARIFIER
DRAIN GATE
SECONDARY #10 CLARIFIER
WEST LAUNDER GATE
K C
L E
G G
M N
O E
S E
N
1 1/2" W2
CL EL 392.75
3" W2
CL EL 392.75
NOTE 1
NOTE 1
FRP V-NOTCH WEIR,
TYPE B
FRP SCUM BAFFLE
DENSITY
CURRENT
BAFFLE
1 1/2" V238
TYPICALLY SPACED
100’ APART AROUND
CLARIFIER CIRCUMFERENCE
6" V915 W/
EXTENSION STEM,
TYP OF 4
30" RAS
PROVIDE DEEPENED SCUM BAFFLE 40’ AHEAD OF AND 10’
BEHIND SCUM TROUGH.
DO NOT DEWATER CLARIFIER IF ADJACENT GROUNDWATER
IS ABOVE LOWEST POINT OF THE CLARIFIER FLOOR SLAB.
NOTES:
1.
2.
EDI WELL
2" WATER
CANNON
15120
1 1/2" V236
15162 SIM
3" V410 W/
VALVE BOX
15642
50’
5’-0" SLUDGE BLANKET
DETECTOR
4LE
15-10
4NS
12-10
4NSH
12-10
TORQ TORQ
HIHI
SAFETY BARS,
TYP OF 2
RECORD DRAWINGS
Revisions Drawn By Date
THESE RECORD DRAWINGS HAVE BEEN PREPARED, IN PART, ON
THE BASIS OF INFORMATION COMPILED BY OTHERS. THEY ARE
NOT INTENDED TO REPRESENT IN DETAIL THE EXACT LOCATION,
TYPE OF COMPONENT NOR MANNER OF CONSTRUCTION. THE
ENGINEER WILL NOT BE RESPONSIBLE FOR ANY ERRORS OR
OMISSIONS WHICH HAVE BEEN INCORPORATED INTO THE
RECORD DRAWINGS.
JH BAUM JULY 2008
3" W2
4" W2
PROJ
DATE
D A
T E
N O
D S
G N
D R
R E
V
IS
IO
N
C H
K
A P
V D
B Y
A P
V D c
IS
S U
E D F
O R
R
E V
IE
W
SHEET
DWG
FILENAME: PLOT DATE: PLOT TIME:30nm111d_328092.dgn 8/18/2008 8:11:39 AM
C H
M H
IL
L
A
L L R
IG
H T S R
E S
E R
V E
D
1 2 3 4 5 6
A
B
C
D
VERIFY SCALE
BAR IS ONE INCH ON
ORIGINAL DRAWING.
1"0
C H
M H
IL
L A
N D I S N
O T T
O B
E U
S E
D
IN
W
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L E O
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IN
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IN
G S
D A
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D
J A
N U
A R
Y
R E
C O
R D D
R A
W
IN
G -2
J H
B M
G
Typical Clarifier 9-10
N E C
O U
N T
Y
O R
E G
O N
C L
A R
IF
IE
R E
N H
A N
C E
M E
N T S A
N D T
W O
N E
W S
E C
O N
D A
R Y C
L A
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IF
IE
R S P
M W
M C P
R
IM
A R
Y A
N D S
E C
O N
D A
R Y
328092
E U
G E
N E -S
P R
IN
G F
IE
C H
A N
IC
30-M-202
B
A U
M A C
H A
N G
JANUARY 2006
A 3/16"=1’-0"
30-M-110
2 1/2" W2
2 1/2" BALL
VALVE
15162 SIM
1 1/2" W21’-0"
SCUM TROUGH
AND BEACH
6" SSM,
NOTE 1
SUCTION HEADER
04DRE12-09
EDI WELL
DENSITY
CURRENT
BAFFLE
60" CENTER
COLUMN
54" ML 30" RAS 10" HS/D
INV EL 371.40
INV EL 373.18
INV EL 375.40
INV EL 377.56
10" UD
N E
W S
E C
O N
D A
R Y C
L A
R
IF
IE
R S
W2 PIPING DETAIL
30-M-110
TYP OF 7 SPACES
BETWEEN 8 SPRAY
NOZZLES
4’-8"7’-0
15193
SPRAY NOZZLES
TYP
1 1/2"
W2
4’-0"4’-0" 10"
1 1/2"
V300
1 1/2" W2
FROM FAIR SIDE
OF WALKWAY
FLEXIBLE
CONNECTION
FLOCCULATION WELL
FRP SCUM BAFFLE
TYPICAL SECTION
T Y
P
IC
A L S
E C
T
IO
N A
N D D
E T
A
ILNOTES:
1.
2.
K C
L E
G G
M N
O E
S E
N
30-M-111 B
LOWER LEVEL SECTION
3/16"=1’-0"
30-M-110
54" ML
30" RAS
10" UD
HEAVY SOLIDS
HOPPER
60" CENTER
COLUMN
3’-0"
4’-9"
USE LONG RADIUS ELBOWS AND/OR 45° ELBOWS WITH SLOPED
PIPING.
DO NOT DEWATER CLARIFIER IF ADJACENT GROUNDWATER IS
ABOVE LOWEST POINT OF THE CLARIFIER FLOOR SLAB.
COORDINATE AND CONFIRM DINENSIONS WITH CLARIFIER
MECHANISM MANUFACTURUER.
NTS
FRP V-NOTCH WEIR,
TYPE B
1 1/2" V236
SECONDARY #9
CLARIFIER
DRIVE
SECONDARY #10
CLARIFIER
DRIVE
04DRE12-10
2" WATER
CANNON
15120
6" V915 W/
EXTENSION STEM
NEW
WALKWAY
15162 SIM
SPRAY NOZZLE
15193
1" V300
DRAIN
CONNECT NEW 2 1/2" W2 TO
EXISTING PVC W2 AT COUPLING
1 1/2" V236
2" WATER
CANNON
15120
INSIDE
FLOCCULATION WELL
2 1/2" V300
CENTER
PLATFORM
2" W2
1 1/2" W2
INSTALL 1/2" V300
IN 2" W2 PIPING
@ BOTTOM OF
VERTICAL RISER, TYP
2 1/2" UNION
2 1/2" V300
3/4" V300
3/4" W2
TYPE 1 SPRAY
NOZZLES LOCATED
IN SCUM TROUGH,
TYP OF 2
2" V300
2" UNION
TYPE 1, TYP
EXTEND NOZZELS TO
WITHIN 8" OF WATER SURFACE
RECORD DRAWINGS
Revisions Drawn By Date
THESE RECORD DRAWINGS HAVE BEEN PREPARED, IN PART, ON
THE BASIS OF INFORMATION COMPILED BY OTHERS. THEY ARE
NOT INTENDED TO REPRESENT IN DETAIL THE EXACT LOCATION,
TYPE OF COMPONENT NOR MANNER OF CONSTRUCTION. THE
ENGINEER WILL NOT BE RESPONSIBLE FOR ANY ERRORS OR
OMISSIONS WHICH HAVE BEEN INCORPORATED INTO THE
RECORD DRAWINGS.
JH BAUM JULY 2008
PROJ
DATE
D A
T E
N O
D S
G N
D R
R E
V
IS
IO
N
C H
K
A P
V D
B Y
A P
V D c
IS
S U
E D F
O R
R
E V
IE
W
SHEET
DWG
FILENAME: PLOT DATE: PLOT TIME:30nm202d_328092.dgn 8/18/2008 8:13:45 AM
C H
M H
IL
L
A
L L R
IG
H T S R
E S
E R
V E
D
1 2 3 4 5 6
A
B
C
D
VERIFY SCALE
BAR IS ONE INCH ON
ORIGINAL DRAWING.
1"0
C H
M H
IL
L A
N D I S N
O T T
O B
E U
S E
D
IN
W
H O
L E O
R I
N P
A R
T F
O R A
N Y O
T H
E R P
R O J E
C T W
IT
H
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T T
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IT
T E
N A
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A T
IO
N O
F C
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L
T H
IS
D
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H E I
D E
A S A
N D D
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IG
N S I
N C
O R
P O
R A
T E
D H
E R
E
IN
A S A
N I
N S
T R
U M
E N
T O
F P
R O
F E
S S
IO
N A
L S
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V
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E
IS
T
H E P
R O
P E
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F R
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S E O
F D
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U M
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T S
S O
C
IA
T E
S
C O
N S
U L
T
G
IN
E E
R S o a d w it e
E u g e n e
O r e g o n
F A
X
M W
M C C
O N
T R
A C
T
N O P
F O
R
S
IG
N A
T U
R E
S
A N
D S
E A
L S R
E F
E R
T O O
R
IG
IN
A L
D R
A W
IN
G S
D A
T E
D
J A
N U
A R
Y
R E
C O
R D D
R A
W
IN
G -2
J H
B M
G
Typical Clarifier 9-10
| Clarifier drawings.pdf |
| Secondary clarifier layout.pdf |
| Clarifier drawings.pdf |
| Pages from MWMC Clarifier As-built Record Drawings 082008-4.pdf |
| Pages from MWMC Clarifier As-built Record Drawings 082008-5.pdf |
Clarifiers 1-8
File details come from the government source that posted it. Updated .