PL31_M-02.pdf
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- Solicitation number
- W912DR22B0007
About this file
This document provides details for a federal solicitation to provide construction services for reservoir maintenance and improvements at the Second High Reservoir in Washington, DC. The U.S. Army Corps of Engineers, Baltimore District is seeking a firm-fixed price contract to implement upgrades and improvements to address operational and sanitary issues identified at the reservoir. The scope of work includes replacing a sample building and a 24-inch drain line, installing mechanical mixers, sealing interior joints and cracks, installing a radio communications antenna and roof sub-drainage system, and replacing the perimeter fence. The project aims to improve water quality and operation within the distribution system for approximately one million people served by the Washington Aqueduct. Responses are due in accordance with solicitation number W912DR22B0007.
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Text version
EXISTING GRADE
EXISTING RESERVOIR DRAIN
PIPE TO REMAIN
EXISTING
RESERVOIR WALL
EXISTING
RESERVOIR SUMP
EXISTING 24" CI DRAIN PIPE
TO REMAIN
EXISTING STEM GUIDE
TO BE DEMOLISHED
EXISTING STEM GUIDE
TO BE DEMOLISHED
CORE DRILL ON EXISTING
RESERVOIR WALL (PIPE
DIAMETER + 10")
APPROXIMATE 53' OF 24 INCH TERRACOTTA PIPE TO BE DEMOLISHED
P
IP
E O
.D
M-02
EXISTING OVERFLOW
COVER PLATE TO REMAIN
EXISTING 24" CI DRAIN
PIPE TO REMAIN
APPROXIMATE 53' OF 24 INCH TERRACOTTA PIPE TO BE DEMOLISHED
GENERAL SHEET NOTES
1. ALL ELEVATIONS SHOWN IN THIS DRAWING ARE BASED ON WA VERTICAL DATUM.
2. CONTRACTOR SHALL PROTECT EXISTING RESERVOIR DURING EXCAVATION WORK.
3. CONTRACTOR SHALL PROVIDE ADEQUATE SHEETING AND BRACING TO PROTECT
EXISTING STRUCTURE AND TO PREVENT UNDERMINING OF THE RESERVOIR.
4. REMOVE EXISTING BOLTS AND 24" FLEXIBLE IN-LINE CHECK VALVE AND PLACE A 24" DI
BLIND FLANGE WITH NEW ANCHOR BOLTS.
5. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE SIZE, BOLT PATTERN,
ETC OF THE EXISTING FALNGE. THIS ACTIVITY MAY REQUIRE THE USE OF A DIVER.
SHEET KEYNOTES
1. EXISTING FLOOR STAND ACTUATOR TO BE SALVAGED AND RETURNED TO THE
OWNER.
2. EXISTING VALVE STEM TO BE SALVAGED AND RETURNED TO THE OWNER.
3. EXISTING 24" BUTTERFLY VALVE AND BLIND FLANGE TO BE SALVAGED AND
RETURNED TO THE OWNER.
4. EXISTING 24" FLEXIBLE IN-LINE CHECK VALVE TO BE SALVAGED AND RETURNED
THE OWNER (SEE DEMOLITION AND SALVAGE ITEMS NOTES ON SHEET C-02).
LEGEND
DENOTES TO BE DEMOLISHED OR REMOVED
Nova Consulting
N
REV DATE DESCRIPTION BY
U.S. ARMY ENGINEER DISTRICT, BALTIMORE
WASHINGTON AQUEDUCT
WASHINGTON, DC
SCALE: DATE:
DRAWING NUMBER PLATE
SHEET:
CORPS OF ENGINEERS
BALTIMORE, MARYLAND
SECOND HIGH RESERVOIR
MAINTENANCE AND IMPROVEMENTS
APPROVED:
A/E PRINCIPAL
SEAL:
MARCH 2022
80.2-2.7-.
US Army Corps of Engineers
STEVEN S. EAGLE, PE
M-02
DEMOLITION PLAN AND SECTION
MECHANICAL
AS SHOWN
5/2022 AMENDMENT 0002 SSE
3/8" = 1'-0"M-02
2 CHAMBER WEST SECTION DEMOLITION
3/8" = 1'-0"M-02
1 DRAIN DEMOLITION PLAN
0 3
SCALE: 3/8" = 1'-0"
1 2 4 5
OrlandoAlfonso Polygon
| Sheets |
| M-02 - DEMOLITION PLAN AND SECTION |
| M-04 - MECHANICAL DETAILS AND SECTIONS |
| 2022-05-04T14:53:25-0400 | |
| Steven S. Eagle, P.E. #43684 |
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