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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Other files

File Type Posted
C.04.01 Abstract of Bids W912DR22B0007 2nd High Reservoir.pdf PDF
2nd High 04222022 Site Visit Sign In Sheet.pdf PDF
PL31_M-02.pdf PDF
B.08.03 Solicitation Amendment W912DR22B0007-0002.pdf PDF
PL40_E-06.pdf PDF
PL11_C-07.pdf PDF
PL33_M-04.pdf PDF
PL05_C-01.pdf PDF
PL21_S-06.pdf PDF
PL24_S-09.pdf PDF
B.08.03 RFI Responses W912DR22B0007.pdf PDF
PL10_C-06.pdf PDF
PL08_C-04.pdf PDF
PL07_C-03.pdf PDF
PL25_S-10.pdf PDF
PL03_G-03.pdf PDF
PL18_S-03.pdf PDF
PL14_C-10.pdf PDF
PL22_S-07.pdf PDF
PL06_C-02.pdf PDF
B.08.03 Solicitation Amendment W912DR22B0007.pdf PDF
B.08.02 Attachment C - DB Wage Determination DC20220002.pdf PDF
B.08.02 Attachment B - Drawings.pdf PDF
B.08.02 Solicitation W912DR22B0007.pdf PDF
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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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