E_-_Revision_1_Electrical_Drawings.pdf
PDF 3 MB Posted
- Attached to
- Anacostia II WWPS PLC Upgrades project
- Solicitation number
- 98587
- Issued by
- Prince George's County, Maryland
About this file
This document is a set of electrical drawings (Revision 1) for the Anacostia II Wastewater Pump Station (WWPS) PLC Upgrades project, prepared by the Washington Suburban Sanitary Commission (WSSC) and designed by a licensed professional engineer in Maryland. The drawings provide detailed electrical specifications and site plans for the replacement, modification, and upgrade of the Distributed Process Control System (DPCS) at the Anacostia #2 Wastewater Pump Station located in Capitol Heights, Maryland. The scope of work includes installation of a new WSSC-furnished Pumping System PLC panel, demolition and upgrade of UPS and power panels, replacement of instrumentation including level meters, switches, transmitters, and pressure gauges, modification of Remote Terminal Units (RTU) and Remote Input/Output (RIO) units, relocation of pump motor starters, and installation of new DPCS network cabling and fiber-optic communications infrastructure. The drawings include site plans showing the electrical substation, screen room, chemical feed facility, pump station building, overall pump room layouts, conduit and wire schedules, and standard electrical details for conduit mounting, equipment enclosure installation, above-grade conduit penetrations, watertight conduit penetrations, and underground duct bank specifications. Sealed bid responses are due by 2:00 p.m. on March 26, 2026 (with an alternate deadline of April 9, 2026), with a mandatory site visit scheduled for March 11, 2026, at 10:00 a.m., and questions due by March 12, 2026, at 2:00 p.m.
Bidders must be Maryland-licensed General Contractors with a minimum of six years of experience in wastewater treatment or pumping station construction, including at least two completed projects valued at $500,000 or greater within the past five years. Key personnel, including a Project Manager and Foreman/Field Supervisor, must each have a minimum of five years of relevant experience. The contractor must employ a Control Systems Integrator subcontractor with minimum seven years' experience in municipal wastewater control systems and UL 508/508A fabrication capabilities. The project requires strict maintenance of plant operations (MOPO) procedures throughout construction due to the facility's continuous 24/7 operations, with constraints including maximum two simultaneous pump shutdowns, 21-day advance notice requirements, and minimum one business day between shutdowns. The total contract value is $2,500,000.00 for the complete construction services with a three-year base term and no renewal options. Pricing is structured as a fixed lump-sum base bid with contingent unit-price items available as directed during construction. Maryland Prevailing Wage requirements apply, with mandatory hourly wage rates ranging from $20.00 to $57.16 depending on classification, fringe benefits, and mandatory electronic payroll submission within 14 calendar days of each payroll period; contractors face liquidated damages of $10.00 per calendar day for delinquent payroll submissions. The solicitation includes a 15 percent Minority-Owned Business Enterprise (MBE) and Small Local Business Enterprise (SLBE) subcontracting goal. A 5 percent bid guarantee is required, along with 100 percent performance, payment, and maintenance bonds. All pricing must remain firm during the base term, with final payment due within 30 days of acceptance and a 20-day final acceptance test period demonstrating continuous system operation.
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Text version
CONTRACT: CP7725A24
DATE REVISIONS
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DRAWN:
CHECKED:
DESIGN:
NO
OF 60
ANACOSTIA II WWPS
PLC UPGRADES
THESE DOCUMENTS CONTAIN
PRIVILEGED AND CONFIDENTIAL
INFORMATION WHICH SHALL NOT BE
REDISTRIBUTED WITHOUT PRIOR WSSC
APPROVAL
PROFESSIONAL CERTIFICATION
I HEREBY CERTIFY THAT THESE
DOCUMENTS WERE PREPARED
OR APPROVED BY ME, AND THAT I
AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER
THE LAWS OF THE STATE OF
MARYLAND.
LICENSE NO.: 33083
EXPIRATION DATE: 12/18/2026
WASHINGTON SUBURBAN SANITARY COMMISSION
WSSC
PA
TH
TE
M
PL
AT
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LA
YO
U T
C U
R R
EN
T as o f:
/1 4/
10306 Eaton Place, Suite 220 Fairfax, VA 22030 Tel: (703) 691-6500
3/20/2026 - PLOT DATE
09/08/2025
09/08/2025
09/08/2025
SITE
PLAN
EX. WEST
METERING
VAULT
EX. EAST
METERING
VAULT
GENERAL NOTES:
KEYED NOTES:
REFER TO G-4 FOR PUMP ROOM BUILDING AREA
CLASSIFICATION PLANS.
METERING VAULTS ARE CLASS I, DIVISION 2 PER NFPA 820
TABLE 4.2.2 ROW 34 a. CLASSIFIED AREA COVERS ENTIRE
VAULT AND EXTENDS 3-FT IN ALL DIRECTIONS AROUND
OPENINGS AND VENTS.
NO WORK IS PERFORMED IN THIS AREA.
1. AREA CLASSIFICATION PLANS ON THIS SHEET WERE
PROVIDED BY WSSC WATER FROM ' ANACOSTIA NO.2
WWPS BAR SCREEN & NFPA 820 UPGRADES' CONFIRMED
DRAWINGS DATED AUGUST 2022.
2. NO MODIFICATIONS WILL BE MADE TO THE
CLASSIFICATION OF ANY AREAS AS A RESULT OF THIS
PROJECT.
3. PROVIDE ALL NECESSARY SEAL OFFS AS ANY CONDUIT
ENTERS OR EXITS CLASSIFIED AREAS IN ACCORDANCE
WITH NEC REQUIREMENT AND AS DEFINED IN THESE
CONTRACT DOCUMENTS.
G-3OVERALL AREA
CLASSIFICATION SITE PLAN
ELECTRICAL
SUBSTATION
SCREEN ROOM
CHEMICAL
FEED FACILITY
PUMP STATION
BUILDING
N
LEGEND
CLASS I, DIVISION 2 AREA.
CM
TM
RMM
REVISION 103/25/2026
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DRAWN:
CHECKED:
DESIGN:
NO
OF 60
ANACOSTIA II WWPS
PLC UPGRADES
THESE DOCUMENTS CONTAIN
PRIVILEGED AND CONFIDENTIAL
INFORMATION WHICH SHALL NOT BE
REDISTRIBUTED WITHOUT PRIOR WSSC
APPROVAL
PROFESSIONAL CERTIFICATION
I HEREBY CERTIFY THAT THESE
DOCUMENTS WERE PREPARED
OR APPROVED BY ME, AND THAT I
AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER
THE LAWS OF THE STATE OF
MARYLAND.
LICENSE NO.: 33083
EXPIRATION DATE: 12/18/2026
WASHINGTON SUBURBAN SANITARY COMMISSION
WSSC
PA
TH
TE
M
PL
AT
E
LA
YO
U T
C U
R R
EN
T as o f:
/1 4/
10306 Eaton Place, Suite 220 Fairfax, VA 22030 Tel: (703) 691-6500
3/20/2026 - PLOT DATE
09/08/2025
09/08/2025
09/08/2025
PLAN
GENERAL NOTES:
KEYED NOTES:
EXISTING DEVICES TO REMAIN. DISCONNECT AND
REMOVE CONTROL AND SIGNAL WIRES TO SOURCE.
CLEAN EXISTING CONDUIT AND VERIFY CONDUIT IS
SUITABLE FOR RE-USE. PULL NEW WIRE FROM DEVICE TO
NEW PUMP SYSTEM PLC AS SHOWN ON RISER DIAGRAMS.
IF EXISTING UNDERGROUND CONDUIT IS DAMAGED,
PROVIDE NEW UNDERGROUND CONDUIT FOR CONTROL
AND SIGNAL WIRES AS SHOWN ON RISER DIAGRAM.
REFER TO SHEETS E-11 AND E-12 FOR THE RISER
DIAGRAM.
REFER TO SHEETS E-7 AND E-8 FOR ELECTRICAL ROOM
ENLARGED PLANS.
REFER TO SHEETS E-9 AND E-10 FOR PUMPING AREA
ENLARGED PLANS.
BOND TO THE EXISTING GROUNDING SYSTEM.
SAWCUT ROADWAY FOR INSTALLATION OF DUCTBANK.
AFTER INSTALLATION OF THE DUCTBANK, FILL & PATCH
THE SURFACE TO MATCH ADJACENT SURFACE FINISH
MATERIALS & FINISHES.
DASHED LINE TO DISTINGUISH BETWEEN
POWER/CONTROL CONDUITS AND SIGNAL CONDUITS.
CONDUITS SHALL BE SPECIFIED IN SPECIFICATION
SECTION 16050.
1. EXISTING CONDITIONS ARE SHOWN BASED ON WSSC
PROVIDED DOCUMENTATION AND SITE INSPECTION
DURING DESIGN. FIELD VERIFY EXISTING CONDITIONS
PRIOR TO PERFORMING ANY DEMOLITION WORK.
2. REFER TO PROCESS AND INSTRUMENTATION DRAWINGS
AND ELECTRICAL RISER DIAGRAM.
3. REFER TO DRAWING E-3 FOR GENERAL DEMOLITION
NOTES.
4. REFER TO SHEET G3 & G4 FOR AREA CLASSIFICATION
PLANS.
5. DUCTBANK ROUTING SHOWN FOR REFERENCE IF THE
EXISTING UNDERGROUND CONDUITS ARE NOT
RE-USABLE. ROUTE DUCTBANK TO AVOID EQUIPMENT
SHOWN FOR DEMOLITION AS A PART OF THE SURGE
TANKS REMOVAL PROJECT (CONTRACT 23303290A).
6. DIMENSIONS SHOWN ARE APPROXIMATE. REFER TO
DETAILS FOR ADDITIONAL DUCT BANK SECTION
DIMENSIONS.
E-4ELECTRICAL
SITE PLAN
ELECTRICAL
SUBSTATION
N
SCALE: 1" = 15'-0"
SCREEN ROOM
SITE
PUMP STATION
BUILDING
CHEMICAL FEED
FACILITY
CPC
TM
RMM
REVISION 103/25/2026
D E-26
- SECTION 1 SECTION 3
SECTION 2 SECTION 4
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DRAWN:
CHECKED:
DESIGN:
NO
OF 60
ANACOSTIA II WWPS
PLC UPGRADES
THESE DOCUMENTS CONTAIN
PRIVILEGED AND CONFIDENTIAL
INFORMATION WHICH SHALL NOT BE
REDISTRIBUTED WITHOUT PRIOR WSSC
APPROVAL
PROFESSIONAL CERTIFICATION
I HEREBY CERTIFY THAT THESE
DOCUMENTS WERE PREPARED
OR APPROVED BY ME, AND THAT I
AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER
THE LAWS OF THE STATE OF
MARYLAND.
LICENSE NO.: 33083
EXPIRATION DATE: 12/18/2026
WASHINGTON SUBURBAN SANITARY COMMISSION
WSSC
PA
TH
TE
M
PL
AT
E
LA
YO
U T
C U
R R
EN
T as o f:
/1 4/
10306 Eaton Place, Suite 220 Fairfax, VA 22030 Tel: (703) 691-6500
3/20/2026 - PLOT DATE
09/08/2025
09/08/2025
09/08/2025
PROFESSIONAL CERTIFICATION
I HEREBY CERTIFY THAT THESE
DOCUMENTS WERE PREPARED
OR APPROVED BY ME, AND THAT I
AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER
THE LAWS OF THE STATE OF
MARYLAND.
LICENSE NO.: 64859
EXPIRATION DATE: 05/06/2027
E-10
ELECTRICAL
OVERALL PUMP ROOM
NEW WORK PLAN
GENERAL NOTES:
1. REFER TO PROCESS AND INSTRUMENTATION DRAWINGS
AND ELECTRICAL RISER DIAGRAM.
2. REFER TO SHEET G-3 AND G-4 FOR HAZARDOUS AREA
CLASSIFICATION. PROVIDE ALL NECESSARY SEAL OFFS
AS ANY CONDUIT ENTERS OR EXITS CLASSIFIED AREAS IN
ACCORDANCE WITH NEC REQUIREMENTS AND AS
DEFINED HERE IN THESE CONTRACT DOCUMENTS.
3. EXISTING CONDITIONS ARE SHOWN BASED ON WSSC
PROVIDED RECORD DRAWINGS.
OVERALL PUMPING SYSTEM NEW WORK
LOWER LEVEL
PLAN
GRAPHIC SCALE
4 2 0 8
1/8" = 1'-0"
EAST
PUMP
ROOM
WEST
PUMP
ROOM
PUMP
NO.1
PUMP
NO.12
PUMP
NO.3
PUMP
NO.2
PUMP
NO.4
PUMP
NO.5
PUMP
NO.11
PUMP
NO.10
PUMP
NO.9
PUMP
NO.8
WEST
SCREENS
EFFLUENT
CHANNEL
EAST
SCREENS
EFFLUENT
CHANNEL
SOUTHEAST
WETWELL
SOUTHWEST
WETWELL
NORTHWEST
WETWELL
NORTHEAST
WETWELL
KEYED NOTES:
EXISTING DEVICES TO REMAIN. PROVIDE NEW CONDUIT
AND WIRE AS SHOWN ON RISER DIAGRAM AND CONDUIT
AND WIRE SCHEDULE.
SCREEN
CHANNEL NO. 1
(BYPASS
CHANNEL)
SCREEN
NO.2
SCREEN
NO.3
SCREEN
NO.4
SCREEN
NO.5
SCREEN
NO.6
SCREENS
INFLUENT
CHANNEL
P-370 P-360 P-390 P-350 P-340
P-300 P-310 P-380 P-320 P-330
N
CPC
TM
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DRAWN:
CHECKED:
DESIGN:
NO
OF 60
ANACOSTIA II WWPS
PLC UPGRADES
THESE DOCUMENTS CONTAIN
PRIVILEGED AND CONFIDENTIAL
INFORMATION WHICH SHALL NOT BE
REDISTRIBUTED WITHOUT PRIOR WSSC
APPROVAL
PROFESSIONAL CERTIFICATION
I HEREBY CERTIFY THAT THESE
DOCUMENTS WERE PREPARED
OR APPROVED BY ME, AND THAT I
AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER
THE LAWS OF THE STATE OF
MARYLAND.
LICENSE NO.: 33083
EXPIRATION DATE: 12/18/2026
WASHINGTON SUBURBAN SANITARY COMMISSION
WSSC
PA
TH
TE
M
PL
AT
E
LA
YO
U T
C U
R R
EN
T as o f:
/1 4/
10306 Eaton Place, Suite 220 Fairfax, VA 22030 Tel: (703) 691-6500
3/20/2026 - PLOT DATE
09/08/2025
09/08/2025
09/08/2025
17ELECTRICAL
CONDUIT AND WIRE SCHEDULE E-13
CONDUIT AND WIRE
SCHEDULE
CPC
TM
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C
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A
C C
O R
D
IN
G
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DRAWN:
CHECKED:
DESIGN:
NO
OF 60
ANACOSTIA II WWPS
PLC UPGRADES
THESE DOCUMENTS CONTAIN
PRIVILEGED AND CONFIDENTIAL
INFORMATION WHICH SHALL NOT BE
REDISTRIBUTED WITHOUT PRIOR WSSC
APPROVAL
PROFESSIONAL CERTIFICATION
I HEREBY CERTIFY THAT THESE
DOCUMENTS WERE PREPARED
OR APPROVED BY ME, AND THAT I
AM A DULY LICENSED
PROFESSIONAL ENGINEER UNDER
THE LAWS OF THE STATE OF
MARYLAND.
LICENSE NO.: 33083
EXPIRATION DATE: 12/18/2026
WASHINGTON SUBURBAN SANITARY COMMISSION
WSSC
PA
TH
TE
M
PL
AT
E
LA
YO
U T
C U
R R
EN
T as o f:
/1 4/
10306 Eaton Place, Suite 220 Fairfax, VA 22030 Tel: (703) 691-6500
3/20/2026 - PLOT DATE
09/08/2025
09/08/2025
09/08/2025
30ELECTRICAL
STANDARD DETAIL I E-26
DETAIL A - CONDUIT MOUNTING
SCALE: NTS
DETAIL B - EQUIPMENT ENCLOSURE MOUNTED ON BRICK OR MASONRY WALL
SCALE: NTS
DETAIL C - EQUIPMENT MOUNTING RACK
DETAIL D - ABOVE GRADE CONDUIT PENETRATIONS THROUGH EXISTING BUILDING OR STRUCTURES
SCALE: NTS
DETAIL E - WATERTIGHT CONDUIT PENETRATION THROUGH EXISTING CONCRETE WALL
SCALE: NTS
DETAIL F - CONDUIT PENETRATION EXISTING WALL
SCALE: NTS
DETAIL G - CONDUIT PENETRATION
SCALE: NTS
CPC
TM
RMM
DETAIL N - UNDERGROUND DUCT BANK
DETAIL O - STRUCTURE PENETRATION
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