PL20_S-05.pdf
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- Solicitation number
- W912DR22B0007
About this file
This document contains structural drawings and details for the Second High Reservoir Maintenance and Improvements project. The project involves upgrades and improvements to the Second High Reservoir in Washington DC to address operational and sanitary issues. Work includes replacing the brick Sample Building; replacing the 24-inch drain line; installing mechanical mixers; sealing all interior joints and cracks; installing a spread spectrum radio communications antenna; installing a roof sub-drainage system; and replacing the perimeter fence. The drawings provide specifications for concrete beams, rebar requirements, and structural details for items like the sample hatch cover and antenna post mount.
The related federal contract opportunity is an Invitation for Bid for construction services for the Second High Reservoir Maintenance and Improvements project. The firm-fixed-price contract will be competitively procured following FAR Part 14. The project is located at the Second High Reservoir facility owned and operated by the Washington Aqueduct in Washington DC. The reservoir is a critical part of the water distribution system for over one million people. The U.S. Army Corps of Engineers, Baltimore District will solicit and award the contract.
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Text version
VAN NESS ST NW
th S
T N
W th S
T N
W
WARREN ST NW
L1
0.33 L1
FLOOR OR
ROOF EL
A A
SKIN
REINF, EF
A
ROOF EL
FLOOR OR
0.33 L1
L1
C
CL INT BEAM, TYP
B3 MAIN REINF,
CONT
B
L2
SKIN REINF
B STIRRUP
C 0.33 L1 0.33 L2 0.33 L2 0.33 L1
MAIN REINF
SEE NOTE 4
NOTES:
1. WHERE BEAMS FRAME INTO CONCRETE WALLS, WALLS SHALL BE
BLOCKED OUT FULL HEIGHT AND WIDTH OF BEAM TO PROVIDE A
MINIMUM 8" SEAT FOR BEAM BEARING. WALL REINFORCEMENT
SHALL NOT BE INTERRUPTED THROUGH BLOCKOUT.
2. S1 = 2x"D" FOR STIRRUP SPACING SEE BEAM SCHEDULE
3. CONTINUOUS BOTTOM BARS IN ALL BEAMS MAY BE SPLICED AT COLUMN CENTERLINES.
CONTINUOUS TOP BARS MAY BE SPLICED AT MID-SPAN.
4. UNLESS NOTED OTHERWISE, PROVIDE SKIN REINFORCEMENT BETWEEN TOP AND BOTTON
MAIN REINFORCEMENT AS FOLLOWS:
FOR BEAMS 18" OR LESS IN DEPTH, NO SKIN REINFORCEMENT IS REQUIRED
FOR BEAMS >18" THRU 36" IN DEPTH, PROVIDE #5@12" EF
FOR BEAMS >36" THRU 84" IN DEPTH, PROVIDE #5@6 EF
FOR BEAMS >84" IN DEPTH, SEE REMARKS IN BEAM SCHEDULE.
5. ALL STIRRUPS SHALL BE CLOSED TIES, TYPE T1, (ACI 315)
UNLESS NOTED OTHERWISE.
6. SEE DRAWINGS FOR BEAM ELEVATION DIAGRAMS
SPECIFICALLY REFERRED TO IN THE BEAM SCHEDULES.
7. WHEN TWO LAYERS OF FLEXURAL REINFORCEMENT ARE
REQUIRED THE SPACING BETWEEN THE LAYERS SHALL BE 3
INCHES.
MAIN REINF
BEAM
DESIGNATION
ON PLANS
TYPICAL BEAM SECTION
3"
CL COLUMNS OR SUPPORTS SPAN LENGTH - SEE PLANS SPAN LENGTH - SEE PLANS
D
MAIN REINF
CONT
SEE NOTE 4
2" S1 S2 S1 2" 2" S1 S2 S1 2" 2" S1 S2
END INT CANT
D
W
D
CL COLUMNS OR SUPPORTS
3"
SIMPLE
2" S1 S2 S1 2"
EXISTING RESERVOIR ROOF
SECTION A-A
#4 TIES @8"
#7 DOWELS, SEE NOTE 2
TOC 342.08
EL 337.00 ±
SURFACE PREPARATION,
SEE NOTE 1
BEAM B-1, SEE DET 1/S-05 FOR REINF
E M
B E
D
NOTES:
1. STUB COLUMN CENTERLINE SHALL ALIGN WITH RESERVOIR COLUMN CENTERLINE.
2. WATERPROOFING MEMRANE NOT SHOWN FOR CLARITY. SEE CIVIL DRAWINGS FOR
MEMBRANE REPAIR DETAILS.
#4 TIES@8"
14"
6 - #7 VERT DOWELS,
SEE NOTE 2
EXISTING RESERVOIR ROOF
A A
7" 7"
RESERVOIR ROOF LPT
337.02 ± BELOW COL
SLOPE
S L O
P E
S L O
P E
SLOPE
CL
C L
GENERAL SHEET NOTES
1.
2.
ROUGHEN SURFACE OF EXISTING RESERVOIR ROOF UNDER NEW STUB COLUMN
LOCATIONS TO A MINIMUM AMPLITUDE OF 1/4" PRIOR TO PLACING NEW CONCRETE.
FOR DOWEL ADHESIVE SYSTEM, REFER TO SPECIFICATION 03 30 00. CONTRACTOR
SHALL FIELD VERIFY VIA NON DESTRUCTIVE MEANS LOCATION OF EXISTING
REINFORCEMENT PRIOR TO INSTALLATION, DOWELS SHALL BE LOCATED TO AVOID
EXISTING REINFORCEMENT.
KEY PLAN
OPNG
FIELD CUT
PL 3/8" ONE LOCATION, SEE
NOTE 3
WATERTIGHT
GASKET SEAL, TYP
EXISTING SAMPLE
HATCH COVER
6" Ø SCH 80 SST PIPE
ANSI/ASME B16.5 CLASS
150 SST FLANGE
3/8" SST CAP W/ LIP,
SEE NOTE 2
3/16
3/16
1/8
1/8
1/8
1/8
NOTE:
1. EXISTING LEVEL SWITCH CABLE AND STRAIN RELIEF TO
BE REINSTALLED.
2. PROVIDE HOLES THROUGH BENT PLATE AND LIP OF CAP
PLATE FOR LOCKING SYSTEM.
3. PL 3/8" SST WITH EYEHOLE FOR STRAIN RELIEF TIE-OFF
AS SHOWN ON ONE OF TWO STANDPIPES.
4. PER DETAIL 3 ON M-01, CONTRACTOR TO FIELD VERIFY
THE SIZE OF THE EXISTING LEVEL TRANSDUCER CABLE
AND CUT A NOTCH IN SAMPLE HATCH COVER TO ALLOW
FOR CLOSURE WHILE SUBMERSIBLE LEVEL
TRANSDUCER IS INSTALLED.
SECTION B-B
BENT PL 1/8" SST, SEE NOTE 2
/4
EXISTING SAMPLE
HATCH COVER
BLIND FLANGE PEN, TYP
B B
OUTLINE OF CAP ABOVE, TYP
ø 0'
FIELD CUT OPNG, TYP
B B ø 0'
6"
SEE ELEC DWGS FOR
ANTENNA EQPT ABOVE,
SEE ARCH DWGS FOR
ROOF PENETRATION
3" SCH 80 AL POST
3"
4" 4"
"C C
NOTE:
1. BOTTOM OF POST SHALL BE INSTALLED TO BEAR ON
CONCRETE FLOOR BELOW. ALUMINUM SURFACES IN
CONTACT WITH MASONRY BLOCK AND CONCRETE
SURFACES SHALL RECEIVE TWO COATS OF COAL TAR
SEALANT.
2. PROVIDE SEAL WELDED ALUMINUM CAP PLATES AT
EACH END OF POST. CAP PLATE AT BOTTOM SHALL
HAVE A 3/4" Ø WEEP HOLE.
3/16
SECTION C-C
4" 4"
PL 3/8" AL @ 4'-0" OC MAX
5/8"Ø AHD ANCHOR W/
4" MIN EMBED, TYP
GROUTED MASONRY CELLS , TYP
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
S-05
SAMPLE BUILDING BEAM SCHEDULE
AND DETAILS
STRUCTURAL
AS SHOWN
MAY 22 AMENDMENT 0002 CTP
CHRISTOPHER T. PHILLIPS, PE
12" = 1'-0"S-05
1 DETAIL - TYPICAL BEAM ELEVATIONS
1" = 1'-0"S-05
2 DETAIL - TYPICAL STUB COLUMN
NOTE:
1. SEE STANDARD DETAIL - 1/S-05 FOR TYPICAL BEAM ELEVATIONS.
1 1/2" = 1'-0"S-05
3 DETAIL-EXISTING SAMPLE HATCH COVER
1" = 1'-0"
1'0612"
1 1/2" = 1'-0"
1'04"
NTS
CONCRETE BEAM SCHEDULE
MARK COUNT SPAN TYPE
DIMENSIONS
TOP ELEV
MAIN REINF ADD REINF S1 STIRRUPS S2 STIRRUPS
REMARKSWIDTH DEPTH TOP BOTTOM A B C SIZE SPACING SIZE SPACING
B-1 4 END 14" 24" 340.50 4 - #7 4 - #7 #4 8" #4 8"
B-2 3 SIMPLE 14" 24" 340.50 4 - #7 4 - #7 #4 8" #4 8"
B-3 2 END 14" 24" 340.50 4 - #7 4 - #7 #4 8" #4 8"
S-03
1" = 1'-0"S-05
4 DETAIL - ANTENNA POST MOUNT
1" = 1'-0"
1'0612"
S-03
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