RFP_25-48_Plans.pdf
PDF 3 MB Posted
- Attached to
- WTP Flocculation 4/5 Gallery Improvements State and local contract opportunity
- Solicitation number
- 25-48
- Issued by
- Michigan
About this file
These documents are construction bid documents for the City of Ann Arbor's Water Treatment Plant (WTP) Flocculation 4/5 Gallery Improvements project, issued on October 7, 2025, with RFP Number 25-48 and Project Number 160804. The project involves improvements to the flocculation basins and gallery, specifically focusing on Flocculation Basins No. 4 and 5, with detailed plans for demolition, piping modifications, and drive system replacements. The bid package includes comprehensive technical drawings covering site layout, demolition plans, process details, and piping configurations, with work areas clearly defined on the site layout and specific components like drive shafts, floor drains, and wall penetrations detailed in the technical drawings.
The project scope includes replacing drive components such as sprockets, chains, bearings, and shafts, installing new drain piping with flexible couplings, and performing necessary concrete wall penetrations. The technical specifications indicate precise requirements for material treatments, such as blasting and recoating cast iron grates, removing corrosion from embedded materials, and installing new pipe supports with specific attachment methods. The drawings are prepared by Fishbeck, an engineering consulting firm located in Grand Rapids, Michigan, and provide extensive technical details to guide the construction and renovation process for the water treatment plant's flocculation gallery.
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| File | Type | Posted |
|---|---|---|
| RFP_25-48_Document.pdf |
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Text version
AA WTP
919 Sunset Rd Ann Arbor, MI. 48103
SUNSET
B R
O O
K S
N E
W P
O R
T
MILLER
EL.
SCALE: 1/4" = 1'-0"
SCALE: 1/8" = 1'-0"
GRAPHIC SYMBOLS
A
A501
A001
A201
B1
A1
ELEVATION, SECTION AND
DETAIL DESIGNATION
PLAN DESIGNATION
SECTION CUT LINE
ENLARGED DETAIL FRAME
INTERIOR ELEVATION
TAG / PHOTO TAG
EXTERIOR ELEVATION TAG ELEVATION TARGET
SPOT ELEVATION
ROOM NAME AND NUMBER
DEMOLITION KEY NOTE
NEW CONSTRUCTION KEY NOTE
BULLETIN IDENTIFICATION
ADDENDUM IDENTIFICATION
A301
A
B
C D ROOM NAME
100'-0"
NORTH ARROW DESIGNATION
SECTION
PLAN
REVISION CLOUD
NORTH
LEVEL CALLOUT
FIRST FLOOR
100'-0"
NORTH NORTH
TRUE NORTH
EXISTING CONSTRUCTION GRID
NEW CONSTRUCTION GRID
fishbeck.com 800.456.3824
Hard copy is intended to be 24"x36" when plotted. Scale(s) indicated and graphic quality may not be accurate for any other size.
PROJECT NO.
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© C o p y r i g h t 2 0 2 5 A l l R i g h t s R e s e r v e d
SEAL
BUILDING CODE INFORMATION
R E V I S I O N S
C it y o f A n n
A rb o r
A n n
A rb o r, M ic h ig a n
W T
P F lo c c u la ti o n
/5 G a lle ry I m p ro v e m e n ts
Project Number: 160804
Ann Arbor, Michigan
WTP Flocculation 4/5 Gallery Improvements
City of Ann Arbor
SHEET NO.
Issued for Bids and Construction October 7, 2025
BDPHILLIPS
160804
1515 Arboretum Drive Grand Rapids, Michigan
10/7/2025 BIDS AND CONSTRUCTION
File Number 26001
RFP Number 25-48
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LOCATION MAP
NORTH
C O
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H E
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GENERAL
DEMOLITION
PROCESS
G101 COVER SHEET
G102 SITE LAYOUT
D401 DEMOLITION PLAN
D402 DEMOLITION SECTION
P001 DETAILS
P201 PIPING PLAN
CLARIFIER NO. 5
FLOCCULATION
BASIN NO. 5 FILTER BUILDING
RECYCLE
PUMP
STATION
EQ TANKS
PILOT
BUILDING
CLEARWELLS
ADMINISTRATIVE
BUILDING
FLOCCULATION
BASIN NO. 1
FLOCCULATION
BASIN NO. 2
SEDIMENTATION
BASINS
CLARIFIER NO. 3
CLARIFIER NO. 4
THICKENER
NO. 2
THICKENER
NO. 1
RESERVOIRS
P A
M O
N A
R O
A D
WORK AREA
FLOCCULATION 4/5 GALLERY,
CISTERN NO. 2
WORK AREA
FLOCCULATION
BASIN NO. 4
AREA NOT TO BE BLOOCKED
AREAS ALLOWED FOR
EQUIPMENT STAGING
WORK AREA
Hard copy is intended to be 24"x36" when plotted. Scale(s) indicated and graphic quality may not be accurate for any other size.
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C it y o f A n n
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A n n
A rb o r, M ic h ig a n
W T
P F lo c c u la ti o n
/5 G a lle ry I m p ro v e m e n ts
SHEET NO.
BDPHILLIPS
160804
10/7/2025 BIDS AND CONSTRUCTION
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SITE LAYOUT
WTP
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SYMBOLS LEGEND
Reviewer
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Drawn By
Hard copy is intended to be 24"x36" when plotted. Scale(s) indicated and graphic quality may not be accurate for any other size.
Manager
PROJECT NO.
SHEET NO.
© C o p y r i g h t 2025 A l l R i g h t s R e s e r v e d
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TP
F lo cc ul at io n 4/
G al le ry Im pr ov em en ts
160804
BDPHILLIPS
10/7/2025 BIDS AND CONSTRUCTION
D401
RSECORD
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DEMOLITION KEY NOTES
DEMOLITION PLAN
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PROCESS DEMOLITION NOTES
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Manager
PROJECT NO.
SHEET NO.
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160804
BDPHILLIPS
10/7/2025 BIDS AND CONSTRUCTION
D402
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SYMBOL LEGEND
DEMOLITION KEY NOTES
D
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1 DEMOLITION SECTION
A
FLOOR DRAIN, TYPICAL
PHOTO
REMOVE CAST IRON GRATE.
BLAST AND RECOAT FOR
REINSTALLATION.
EXISTING CASTING AND
DRAIN PIPE STUB TO REMAIN
EXISTING FLOOR
45° BEND
4"X6" WYE BRANCH
INSTALL FLEXIBLE
COUPLING WITH 316 SS
BAND CLAMPS, AND NEW 4"
DRAIN PIPE.
FLOOR DRAIN
NO SCALE
REMOVE CORROSION FROM
EMBEDDED CASTING AND
DRAIN PIPE. RECOAT
EXPOSED MATERIALS
EXISTING FLOOR
EXISTING CASTING AND
DRAIN PIPE STUB TO REMAIN
45° BENDS
TERMINAL DRAINS INTERMEDIATE DRAINS
4"X6" REDUCER
DOUBLE MODULAR
MECHANICAL SEAL
CORE OPENING IN
EXISTING WALL
EXISTING CONCRETE WALL
EXTERIOR
(SOIL OR WATER)
INTERIOR
(AIR OR WATER)
6" SANITARY PIPE
WPN-1
WALL PENETRATION
NO SCALE
CLEANOUT
CLEVIS HANGER
PIPE
LOCKING NUT
HANGER ROD
DOUBLE NUT
SUPPORT
PROVIDE 1/8" EPDM
LINER STRIP BETWEEN
PIPE AND STRAP.
NEATLY TRIM EDGES
OF EPDM STRIP.
PROVIDE ADHESIVE ANCHORS
OF ADEQUATE SIZE AND
EMBEDMENT DEPTH TO
SUPPORT WEIGHT OF PIPE
AND WATER INSIDE PIPE
ROD COUPLING
NOTE:
1. USED TO SUPPORT 6" SANITARY PIPE BELOW SLAB. SPACING
ACCORDING TO PIPE MANUFACTURER. MATERIAL PER SPECIFICATION.
PIPE HANGER CLEVIS - 3
NO SCALE
REPLACE DRY
BEARING
REPLACE DRIVEN
SPROCKET
REMOVE AND REINSTALL
DRIVE COVER
REPLACE DRIVE
SPROCKET
REPLACE DRIVE
CHAIN
8'-0" 2'-10"
1'-2"
REPLACE STUFFING
BOX ASSEMBLY
(OWNER
PROCURED)
REPLACE DRIVE
SHAFT
REPLACE SOLID
SHAFT
REPLACE
SUBMERGED BEARING
FLOC DRIVE FLOOR
978' - 0"
24" CIRCULAR CORED OPENING
THROUGH EXISTING CONCRETE WALL
EXISTING CONCRETE
BEARING SUPPORT
PEDESTAL
DRY SIDE BEARING,
FIXED*
SUBMERGED 2 3/4"
BEARING, FLOATING*
OWNER PROCURED STUFFING
BOX ASSEMBLY
2 15/16" SOLID
CARBON STEEL
SHAFT
2 3/4" SOLID CARBON
STEEL SHAFT 4" 150# BLIND
FLANGE, TYPICAL.
3/8" x 3" x 3" GUSSET
PLATES, 4 EACH,
TYPICAL.
CARBON STEEL
DRIVE CHAIN,
MODEL NO. MXS882*
CAST IRON DRIVE
SPROCKET, MODEL
NO. H78-11T*
EXISTING FLOC DRIVE
CAST IRON DRIVEN
SPROCKET, MODEL
NO. 882THH 215*
*CONTRACTOR TO VERIFY.
982' - 6"
OWNER
PROCURED
STUFFING BOX
ASSEMBLY
8'-0"
1'-3 1/2"
6 1/2"
6'-2"
1" WIDE, 1"
DEEP KEY
Hard copy is intended to be 24"x36" when plotted. Scale(s) indicated and graphic quality may not be accurate for any other size.
PROJECT NO.
Drawn By
Designer
Reviewer
Manager
P L O
T I N
F O
© C o p y r i g h t 2 0 2 5 A l l R i g h t s R e s e r v e d
R E V I S I O N S
C it y o f A n n
A rb o r
A n n
A rb o r, M ic h ig a n
W T
P F lo c c u la ti o n
/5 G a lle ry I m p ro v e m e n ts
SHEET NO.
BDPHILLIPS
160804
10/7/2025 BIDS AND CONSTRUCTION
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FLOC DRIVE DETAIL - PLAN
NO SCALE
FLOC DRIVE DETAIL - SECTION
KEY NOTES#
1 PROVIDE WATERPROOF BEAD ADHERED TO EXISTING
CONCRETE FACE. PROVIDE 3" MINIMUM COVER.
2 GROUT STUFFING BOX AFTER ALIGNMENT OF SHAFT.
NO SCALE
DRIVE SHAFT DETAIL
Drawn By
Hard copy is intended to be 24"x36" when plotted. Scale(s) indicated and graphic quality may not be accurate for any other size.
Manager
PROJECT NO.
SHEET NO.
© C o p y r i g h t 2025 A l l R i g h t s R e s e r v e d
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F lo cc ul at io n 4/
G al le ry Im pr ov em en ts
160804
BDPHILLIPS
10/7/2025 BIDS AND CONSTRUCTION
P201
RSECORD
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JSIWEK
NOTES
KEY NOTES
PIPING PLAN
PI
PI
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| G101_160804 |
| G102_160804 |
| D401_160804 |
| D402_160804 |
| P001_160804 |
| P201_160804 |
File details come from the government source that posted it. Updated .