PL33_M-04.pdf
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- Solicitation number
- W912DR22B0007
About this file
This solicitation package outlines requirements for a firm-fixed-price construction contract to perform reservoir maintenance and improvements for the Second High Reservoir in Washington, DC. The U.S. Army Corps of Engineers, Baltimore District will award a contract to replace the brick Sample Building, replace the 24-inch drain line, install mechanical mixers, seal all interior joints and cracks, install a spread spectrum radio communications antenna, install a roof sub-drainage system, and replace the perimeter fence. The project aims to address operational and sanitary issues previously identified at the reservoir to improve water quality and distribution system operation. The Second High Reservoir is a critical component of the water treatment and supply system serving approximately one million people in the District of Columbia and Northern Virginia.
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Text version
8" PVC STORM PIPE
24" DRAIN PIPE
24" OVERFLOW PIPE
EL 318' - 6"
EL 316' - 10"
EL 319' - 3"
ALUMINUM GUARD RAIL
EL 323' - 0"
0' - 8"
EXISTING RESERVOIR
SUMP, SEE NOTE 5
EXISTING END FLANGE
TO REMAIN
0' - 8"
0' - 8"
PROJECTION OF VALVE DISC
IN OPEN POSITION
EXISTING STEM CASING
TO BE FIELD VERIFIED
AND REUSED
EXISTING RESERVOIR
ROOF PENETRATION
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. IF THE NEW BUTTERFLY VALVE DISK TOUCHES CONCRETE WHEN OPEN, CUT AWAY
CONCRETE TO ACCOMMODATE SMOOTH DISK OPERATION.
4. CONTRACTOR SHALL USE ADJUSTABLE PIPE STAND TO SUPPORT BUTTERFLY
ASSEMBLY DURING INSTALLATION. PIPE STAND IS TO REMAIN SUPPORTING VALVE
AFTER INSTALLATION.
5. FOR STRUCTURAL DETAILS REFER SHEET S-07.
SHEET KEYNOTES
1. DRAIN RESERVOIR MANUAL STAND ACTUATOR
2. BUTTERFLY VALVE EXTENDED BONNET
3. 24" DI FLANGE WITH SPOOL PIECE (LENGTH AS REQUIRED)
4. 24" MEGALUG FLANGE ADAPTER SERIES 1100
5. 24" DRAIN BUTTERFLY VALVE (RESERVOIR) ORIENTED WITH VALVE SHAFT IN
VERTICAL POSITION
6. 24" BUTTERFLY VALVE (OVERFLOW CHAMBER) ORIENTED WITH VALVE SHAFT IN
VERTICAL POSITION
7. 24" Ø CIRCULAR FLAP GATE TO BE RODNEY HUNT SERIES FV-SPR OR EQUAL
8. 36" X 36" BILCO TYPE J HATCH
9. CHAMBER MANUAL FLOOR STAND ACTUATOR
10. GATE OR VALVE ACTUATOR FLOOR STAND
11. TYPE 316 SS GATE OR VALVE STEM
12. SHIMS AND NON-SHRINK GROUT
13. MINIMUM FOUR SS ANCHOR BOLTS WITH SS NUTS AND WASHERS, SEE NOTE 3 ON
DETAIL.
14. FOUR ADDITIONAL #5 BARS, EXTEND 6'' PAST ANCHOR BOLTS
15. SS BAR, TACK WELD TO BOLT, SEE NOTE 3 ON DETAIL
FACE WALL
24'' WALL PIPE
MINIMUM 3/8'' DIA. 3'' EMBEDMENT
SST CONCRETE ANCHOR BOLT HEX
NUT AND SST FENDER WASHER
(12 HOLES)
STAINLESS STEEL #24 MESH
F R
A M
E O
P E
N
IN
G W
ID
T
H
FRAME OPENING LENGTH +6''
PLAN VIEW
GUIDE ARM
REMOVABLE COVER PLUG
REMOVABLE SQUARE
KEY WRENCH
1/4'' ALUMINUM DIAMOND
PATTERN PLATE COVER
BILCO HEAVY DUTY FORGED
STAINLESS STEEL HINGES
W/ STAINLESS STEEL PINS
1/4'' SUPPORT PLATE
WELDED TO FRAME
STAINLESS STEEL SPRING
LIFTING MECHANISM
SLAM LOCK
BILCO AUTOMATIC
HOLD OPEN ARM
STAINLESS STEEL
LOCK STRIKE
TO DISPOSAL OR DRY WELL
1/8'' DIA. NEOPRENE CONTINUOUS
BUMPER ALL AROUND
BILCO 1/4'' ALUMINUM CHANNEL
FRAME W\ RECESSED ANCHORS
SECTION
3"
36"
42"
42"
24" DIP WALL PIPE
CORE DRILL TO INSTALL NEW 24" DI
WALL PIPE AND FILL WITH GROUT
AFTER WALL PIPE IS INSTALLED
5' - 9" CORE DRILL
EXISTING RESERVOIR WALL
24" MEGALUG FLANGE
ADAPTER SERIES 1100
24" DOUBLE LINK SEAL
12"
WALL
6" MIN
FLANGE OR END TO SUIT
MECHANICAL COUPLING
DUCTILE IRON OR CAST IRON
WALL PIPE WITH INTEGRALLY
CAST SEEP RING. LINING AND
COATING THE SAME AS PIPE
ANCHOR BOLT PEDESTAL BASE CONNECTION DETAIL
NTS
EXISTING STEM CASING
TO BE FIELD VERIFIED
AND REUSED
1. FLOOR STAND IS REPRESENTATIVE ONLY.
2. DETAIL APPLICABLE FOR FLOOR SLAB OR CURB INSTALLATION.
3. IF USED ON ELEVATED SLABS LESS THAN 12" THICK, BOLT THROUGH SLAB USING 4" SS
ANCHOR BOLTS WITH SS NUTS AND WASHERS. SEE DRAWINGS FOR ADDITIONAL ANCHOR
PLATE DETAILS, IF REQUIRED. SEE SPECIFICATIONS FOR ANCHOR BOLT AND ANCHORAGE
REQUIREMENTS.
4. IF USED ON ELEVATED SLAB GREATER THAN 12" THICK, USE EPOXY -GROUTED ANCHORS.
CORE DRILL, REMOVE, AND REPLACE ANCHOR BOLTS WITH EPOXY- GROUTED ANCHORS
WHEN INSTALLATION IS TO TAKE PLACE IN THE LOCATION OF THE EXISTING ANCHOR BOLTS.
5. SEE SPECIFICATION FOR ANCHOR BOLT PATTERN REQUIREMENTS.
6. ADDITIONAL SUPPORTS AND BRACING, AS RECOMMENDED BY MANUFACTURER.
M
IN9
/2
A F
T E
R A
S S
E M
B L Y
T
Y P
-1
P
R O
J E
C T
IO
N
FLOOR STAND
AS REQUIRED BY
Nova Consulting
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-04
MECHANICAL DETAILS AND SECTIONS
MECHANICAL
AS SHOWN
5/2022 AMENDMENT 0002 SSE
1/2" = 1'-0"M-03
3 CHAMBER SECTION WEST
1" = 1'-0"M-03
2 BUTTERFLY VALVE CONNECTION DETAIL
1" = 1'-0"M-03
1 ACTUATOR CONNECTION DETAIL
1 1/2" = 1'-0"M-03
5 SS MESH AND ANCHOR BOLTS
1" = 1'-0"M-04
6 36''x36'' HATCH DETAIL 1" = 1'-0"M-03
4 OVERFLOW PIPE PENETRATION DETAIL
1" = 1'-0"M-04
7 WALL PIPE DETAIL
OrlandoAlfonso Polygon
| Sheets |
| M-02 - DEMOLITION PLAN AND SECTION |
| M-04 - MECHANICAL DETAILS AND SECTIONS |
| 2022-05-04T14:53:52-0400 | |
| Steven S. Eagle, P.E. #43684 |
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