B.08.02 Attachment B - Drawings.pdf

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VERTICAL REINFORCEMENT IN

FULLY GROUTED CELLS AT WALL

CORNERS AND AT OPENINGS

LINTEL EXTEND 8" MIN,

BEYOND OPENING EACH SIDE

HORIZONTAL REINFORCEMENT IN

FIRST AND SECOND BED JOINTS,

IMMEDIATELY ABOVE AND BELOW

WALL OPENING, EXTEND 24"

BEYOND OPENING

HORIZONTAL REINFORCEMENT

@ 16" O.C., CONTINUOUS

OPENING

GROUT FILL FIRST TWO COURSES

1' - 4"

"1

2' - 0"

2-#5/#6 VERTICAL BARS

ADJACENT TO THE

OPENING (SAME SIZE AS

MAIN REINF)

3-#5/#6 VERTICAL

BARS AT CORNER

(SAME SIZE AS MAIN

REINF)

PLAN

MORTAR FACE SHELL

ONLY. DO NOT

MORTAR TONGUE OF

CONTROL JOINT BLOCK

ELEVATION

CONTROL JOINT

JOINT REINF STOPS

AT CONTROL JOINT

HORIZ REINF SPACED

16" OC VERTICALLY

NOTE: WIDE FLANGED PREFORMED CONTROL JOINT

FILLER MAY BE USED IN LIEU OF DETAIL SHOWN

PREFORMED CONTROL JOINT FILLER

RAKE MORTAR 3/4", CAULK EXPOSED

FACES WITH JOINT SEALANT

NOTE: CONTROL JOINTS MAY BE OFFSET A MAXIMUM

DISTANCE OF 8" FROM BRICK EXPANSION JOINT.

EXTERIOR FACE OF MASONRY

COMPRESSIBLE BACK-UP ROD

MASONRY JOINT SEALANT

1/2" MAX

3/8" MIN

MASONRY BACKUP

MASONRY VENEER

CAVITY DRAINAGE SYSTEM

RIGID INSULATION

HORIZONTAL REINFORCEMENT

DISCONTINUOUS AT BOTH JOINTS

PREFORMED CONTROL JOINT (CJ) FILLER

EXPANSION JOINT (EJ) WITH

COMPRESSIBLE FILLER AND SEALANT

MORTAR FACE SHELL ONLY. DO

NOT MORTAR TONGUE OF

CONTROL JOINT BLOCK.

RAKE MORTAR 3/4", CAULK EXPOSED

FACES WITH JOINT SEALANT

NOTE: WIDE FLANGED PREFORMED

CONTROL JOINT FILLER MAY BE

USED IN LIEU OF DETAIL SHOWN

VERTICAL REINFORCEMENT IN

FULLY GROUTED CELL AT CORNER

BRICK EXPANSION JOINT (EJ) WITH

COMPRESSIBLE FILLER AND SEALANT

UNDERLAYMENT WRAPPED OVER HIP

ASPHALT SHINGLES

HIP SHINGLE

CUT ALONG DASHED LINE,

TAPER TOP SLIGHTLY

CUT COVERINGS FOR HIPS USING A

SELF-SEALING THREE-TAB SHINGLE

SEALING STRIPS

FASTENERS SHOULD BE LONG ENOUGH

TO PENETRATE THROUGH ALL LAYERS OF

ROOFING MATERIAL-- SEE NOTE 2

1. FASTENERS SHOULD EXTEND A

MINIMUM 1/8 INCH THROUGH

UNDERSIDE OF ROOF DECKS LESS

THAN 3/4 INCH THICK AND

PENETRATE AT LEAST 3/4 INCH

INTO ROOF DECKS GREATER THAN

3/4 INCH THICK.

2. MOST MANUFACTURERS SUPPLY HIP

SHINGLES. FOLLOW MANUFACTURER'S

INSTALLATION INSTRUCTIONS.

NOTES:

SEALING STRIPS

SOFT METAL FLASHING SLEEVE, ROLL

INTO PIPE APPROX. 1"

SEALANT UNDER SHINGLES

ASPHALT SHINGLES

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

A-04

SAMPLE BUILDING R-2 DETAILS

ARCHITECTURAL

AS SHOWN

DEAN A. WALDROP, RA

1/4" = 1'-0"A-04

MASONRY REINFORCEMENT

AT OPENINGS AND CORNERS

1 1/2" = 1'-0"A-04

CMU BACKUP WYTHE

VERTICAL REINFORCEMENT

NTSA-04

CMU

BRICK

EXPANSION JOINT

1 1/2" = 1'-0"A-04

CAVITY WALL REINFORCEMENT

CONTINUOUS AT CORNER WITH CJ & EJ

1 1/2" = 1'-0"

1'04"

1/4" = 1'-0"

1 1 3 7'0 2

HIP

ASPHALT SHINGLE ROOF

VENT PIPE PENETRATION

ASPHALT SHINGLE ROOF

Sheets

A-01 - SAMPLE BUILDING DEMOLITION

A-02 - SAMPLE BUILDING R-2

A-03 - SAMPLE BUILDING R-2 SCHEDULES AND DETAILS

A-04 - SAMPLE BUILDING R-2 DETAILS

2022-03-21T11:52:39-0400

DEAN AVERY WALDROP

VAN NESS ST NW

th S

T N

W

WARREN ST NW

KEY PLAN

FLOOR DRAIN, SEE DET 5/M-01

4" PVC DRAIN PIPE, SEE

CIVIL FOR CONTINUATION

EMBEDDED BRONZE SURVEY MONUMENT

DETAIL 7/M-01

INSTALL NEW

SAMPLE ENCLOSURE ATOP

EX. COVER

R2-EF-2

R2-EF-1

DSW-R2-UH-1

SAMPLE ENCLOSURE

W/PUMP, SEE DET 2 THRU 4

THIS SHT

MX-1 CONTROLLER

MX-2 CONTROLLER

MX-3 CONTROLLER

R2-UH-2

R2-UH-1

R2-LP

SAMPLE PUMP STARTER

RELOCATED NETWORK

PANEL WITH VERIZON

MODEM

RELOCATED

SCADA ANTENA BOX

BACKDRAFT DAMPER

BACKDRAFT DAMPER

SECURITY

SYSTEM

PANEL

LE/LIT,

SEE NOTE 9, E-03

ACCESS PORT,

SEE DET 4/S-05, TYP

x FFE - 342.75

SAMPLE PUMP

ROOM

76 SF

ELECTRICAL ROOM

78 SF

FINISH FLOOR-FORM 2'-0"∅

DISH WHERE REQUIRED

FLOOR DRAIN

"P" TRAP

NOTE: INTERIOR FLOOR DRAIN AND CLEANOUTS TO HAVE 316 STAINLESS

STEEL TOPS. EXTERIOR FLOOR DRAINS AND CLEANOUTS TO HAVE

LACQUERED CAST IRON TOPS.

INV. ELEV.

3' BELOW FIN. FLR.

COUNTERSINK DISK

FLUSH WITH SURFACE

DRILL 1" DIA. HOLE

EPOXY GROUT

1" SCH 40 PVC DRAIN PIPE, SEE

DETAIL 2 IN THIS SHEET FOR

CONNECTION TO FLOOR DRAIN

EXISTING

MANHOLE COVER

2"x1" REDUCER

PIPE BRACKET,

TYP OF 2

FRONT ACCESS

DOOR

PADLOCK HASP

1/2" (MIN) 316 SS BOLTS TO BE

INSTALLED BY DRILLING AND

TAPPING EXISTING MANHOLE COVER,

SEE NOTE 2

DOUBLE PIPE CLAMP,

TYP OF 2

6"x7" ALUMINUM

SAMPLE ENCLOSURE

TOP ACCESS DOOR

1. ENCLOSURE SHALL BE KUPFERLE

MAINGUARD #66, OR EQUAL.

2. PROVIDE DIELECTRIC INSULATING

WASHERS FOR BOLTED CONNECTIONS.

PADLOCK EYE

0' - 7"

FLOOR MOUNTED

BRACKET, TYP OF 4

PLAN VIEW

1/2" PVC PIPE

1/2" THREADED

PVC UNION

SECTION VIEW

EXISTING PVC UNION

EXISTING LINE FROM

SUBMERSIBLE PUMP

6" MIN AIR GAP

SEE DETAIL 3,

THIS SHEET

1/2" PVC FROM PUMP

1. CONTRACTOR TO INSTALL NEW SAMPLE ENCLOSURE ATOP EX. COVER IN NEW

SAMPLE BUILDING. SEAL PER DETAIL 4 THIS SHEET.

2. INSTALL ALL FITTINGS AND PIPING IN SAMPLE ENCLOSURE AS SHOWN IN THIS

SCHEMATIC.

FLOOR DRAIN PER

DETAIL 5/M-01

END 1" PIPE ABOVE DRAIN

4" PVC DRAIN, SEE CIVIL

FOR CONTINUATION

4" DRAIN PASSES BELOW

NEW BUILDING BEAM

1/2" PVC

THREADED UNION

EXISTING PVC UNION

1" PVC TANK ADAPTER

1/2" PVC NEEDLE VALVE

EXISTING STAINLESS

STEEL PUMP CHAIN

EXISTING SPLIT FLANGE

EXISTING MANWAY

FRAME AND COVER

EXISTING 6" PVC PIPE

EXISTING SUBMERSIBLE

WELL PUMP

NEW SAMPLE ENCLOSURE

SAMPLE BUILDING

RESERVOIR BOTTOM

SLAB FF EL 318.00 +/-

FF EL 342.75

NOTE:

EXISTING CONDITION FOR SUBMERSIBLE PUMP MAY VARY FROM WHAT IS

SHOWN IN DETAIL, CONTRACTOR SHALL FIELD VERIFY SUBMERSIBLE PUMP

AND NOTIFY ENGINEER ANY DISCREPANCY WITH THE DETAIL.

1/2" PVC SAMPLE LINE

EXISTING PUMP

POWER CABLE

A

F

EXISTING PVC PIPE

WITH UNION

AARON W. DUKE, PE

M-01

SAMPLE BUILDING

MECHANICAL

3/8" = 1'-0"

4'21012"

1/2" = 1'-0"M-01

1 PLAN - SAMPLE BUILDING

SCALE: NOT TO SCALEM-01

5 DETAIL - FLOOR DRAIN

12" = 1'-0"M-01

7 BRASS SURVEY DISK

4 DETAIL - SAMPLE ENCLOSURE

2 SCHEMATIC - SAMPLE ENCLOSURE AND DRAIN

3 DETAIL - SAMPLE PUMP AND SLEEVE

2022-03-18T21:26:18-0400

Aaron Duke

EXISTING GRADE

EXISTING RESERVOIR DRAIN

PIPE TO REMAIN

RESERVOIR WALL

RESERVOIR SUMP

EXISTING 24" CI DRAIN PIPE

TO REMAIN

EXISTING STEM GUIDE

TO BE DEMOLISHED

EXISTING STEM GUIDE

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.

SHEET KEYNOTES

1. EXISTING FLOOR STAND ACTUATOR TO BE SALVAGED AND RETURNED TO THE

OWNER.

2. EXISTING BUTTERFLY VALVE, VALVE STEM TO BE SALVAGED AND RETURNED TO

THE OWNER.

3. EXISTING 24" BUTTERFLY VALVE 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

STEVEN S. EAGLE, PE

M-02

DEMOLITION PLAN AND SECTION

31313/8" = 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-03 - OVERFLOW/DRAIN CHAMBER PLAN AND SECTIONS

M-04 - MECHANICAL DETAILS AND SECTIONS

2022-03-18T18:43:07-0400

Steven S. Eagle, P.E. #43684

M-03

M-04

24" DIP DRAIN PIPE

24" HDPE

OVERFLOW PIPE

6 6

8' PVC STORM PIPE

16 17

17 16

CONNECT TO EXISTING

24" CI CITY STORM

SEWER LINE

8' - 0"

M

IN

18"

5 3

2 4

CONNECT TO EXISTING

24" CI DRAIN PIPE

24" (DI) DIA FLG X PE WALL PIPE

PENETRATION WITH SST FLANGE

BOLTS AND DOUBLE LINK SEAL IN

CORE DRILLED WITH SST HARDWARE

8" PVC RESERVOIR

ROOF DRAIN

EXISTING 24" CI CITY

STORM SEWER LINE

24" BLIND

FLANGE

(SEE NOTE 5)

EXISTING 24" CI

DRAIN PIPE

24" CI OVERFLOW PIPE

SST STEM GUIDE WITH SST

ANCHOR BOLTS (TYP OF 2)

28' - 4"

24'' OUTLET WITH STAINLESS STEEL #24

MESH, SEE NOTE 7 ON THIS SHEET.

5' - 9" CORE DRILL

12"

GROUT

1. 24" Ø CIRCULAR FLAP GATE TO BE RODNEY HUNT SERIES FV-SPR OR EQUAL

MOUNTED ON STANDARD DUCTILE IRON PIPE FLANGE WITH SST FLANGE BOLTS

2. 24" BUTTERFLY VALVE

3. MANUAL FLOOR STAND ACTUATOR WITH VERTICAL HANDWHEEL (TYP OF 2)

4. 24" Ø FLG X PE WALL PIPE (TYP OF 2)

5. 36" X 36" BILCO TYPE J HATCH (SEE SHEET M-04, DETAIL 5 AND STRUCTURAL

SHEET S-07)

6. 24" MJ 11.25 BEND (TYP OF 2)

7. 24" MJ HDPE 45 BEND (TYP OF 4)

8. 24" MJ HDPE 22.5 BEND (TYP OF 2)

9. 24" FLG X PE DI SPOOL PIECE WITH SST FLANGE BOLTS

10. 24" MEGALUG FLANGE ADAPTER SERIES 1100 (TYP OF 3) WITH SST BOLTS

11. 24" FLG BUTTERFLY VALVE WITH EXTENDED BONNET (SEE NOTE 4)

12. BUTTERFLY VALVE EXTENDED BONNET WITH SST FLANGE BOLTS

13. 8''x8''x8'' DOUBLE WYE W\ CLEANOUT (REFER TO CIVIL SHEET C-08)

14. MANHOLE STEPS AT 16'' OC (SEE SHEET NOTE 6 AND STRUCTURAL SHEET S-07)

15. 8" PVC 90 BEND

16. 8" PVC 45 BEND (TYP OF 4)

17. 8" PVC 22.5 BEND (TYP OF 2)

18. 24" MJ SOLID SLEEVE

19. ALUMINUM GUARDRAIL (SEE STRUCTURAL SHEET S-07)

20. 24" DOUBLE LINK SEAL

3. CONTRACTOR SHALL PROVIDE ADEQUATE SHEETING AND BRACING TO PROTECT

EXISTING STRUCTURE AND TO PREVENT UNDERMINING OF THE RESERVOIR.

4. BUTTERFLY SHALL BE PROVIDED WITH EXTENDED BONNET. THE BONNET IS TO EXTEND

6 INCHES ABOUT THE OVERFLOW ELEVATION.

5. A 24 INCH BLIND FLANGE WITH A STOPCOCK FOR AIR BLEEDING SHALL BE PLACED

TEMPORARILY UNTIL PIPE PRESSURE TESTING IS COMPLETED. FOLLOWING TESTING, A

PERMANENT 24 INCH BLIND FLANGE WITH SST FLANGE BOLTS AND GASKET SHALL BE

PLACED OVER EXISTING DRAIN.

6. CONTRACTOR SHALL PROVIDE SAFETY EXTENDABLE POST THAT EXTEND 42 INCHES

MINIMUM ABOVE THE TOP OF THE CHAMBER STRUCTURE.

7. FOR SEAL PIPE OPENING SEE DETAIL 8 ON CIVIL SHEET C-10.

M-03

OVERFLOW/DRAIN CHAMBER PLAN

AND SECTIONS

3/8" = 1'-0"M-03

1 CHAMBER FOUNDATION PLAN

3/8" = 1'-0"M-03

2 CHAMBER SECTION SOUTH

0 3

SCALE: 3/8" = 1'-0"

1 2 4 5

Sheets

M-02 - DEMOLITION PLAN AND SECTION

M-03 - OVERFLOW/DRAIN CHAMBER PLAN AND SECTIONS

M-04 - MECHANICAL DETAILS AND SECTIONS

2022-03-18T18:43:38-0400

Steven S. Eagle, P.E. #43684

SCALE: DATE: SHEET:

SUBMITTED:

CHIEF, ENGINEERING & PLANNING BRANCH

CHIEF, WASHINGTON AQUEDUCT DIVISION

RECOMMENDED:

COLONEL, C. OF E. DISTRICT ENGINEER

APPROVED FOR:

DATE:

VICINITY MAP

LOCATION MAP

SECOND HIGH RESERVOIR MAINTENANCE AND

IMPROVEMENTS

4420 WARREN STREET, NW WASHINGTON, DC 20016

CONTACT INFORMATION:

HANIF K. DRZAL, P.E.

5900 MACARTHUR BLVD. NW

WASHINGTON , DC 20016

PHONE: (202) 587-9366

SQUARES: 1594 AND 1595

LOTS: LOT 0800, LOT 0801 AND LOT 0807

SECOND HIGH

RESERVOIR

NE

BR

AS

KA

VE

VERPLANCK PL NW

MASSACHUSETTS AVE NW

ST N

WINDOM PL NW

YUMA ST NW

rd

ALBEMARLE ST NW

UN

IV

ER

SI

TY

VE

BUTTERWORTH PL NW

MASSACHUSETTS AVE NW

BRANDYWINE ST NW

nd

NO SCALE

80.2-2.7-01 01

G-01

GENERAL

COVER SHEET

VICINITY MAP

4420 WARREN STREET, N.W.

Washington, D.C. 20016

INDEX OF DRAWINGS

PLATE

NO TITLE DRAWING NO SHEET

NO

01 COVER SHEET 80.2-2.7-01 G-01

02 ABBREVIATIONS AND LEGEND 80.2-2.7-02 G-02

03 GENERAL NOTES 80.2-2.7-03 G-03

CIVIL

04 SITE SURVEY PLAN 80.2-2.7-04 SV-01

05 OVERALL SITE PLAN 80.2-2.7-05 C-01

06 EXISTING CONDITIONS AND DEMOLITION PLAN 80.2-2.7-6 C-02

07 ROOF DRAINAGE PLAN 80.2-2.7-07 C-03

08 RESTORATION PLAN 80.2-2.7-08 C-04

09 EROSION AND SEDIMENT CONTROL NOTES 80.2-2.7-09 C-05

10 EROSION AND SEDIMENT CONTROL PLAN 80.2-2.7-10 C-06

11 EROSION AND SEDIMENT CONTROL STANDARD DETAILS 80.2-2.7-11 C-07

12 24 INCH DRAIN PIPE PLAN AND PROFILE 80.2-2.7-12 C-08

13 4 INCH EFFLUENT DRAIN LINE PLAN AND PROFILE 80.2-2.7-13 C-09

14 CIVIL DETAILS 1 80.2-2.7-14 C-10

15 CIVIL DETAILS 2 80.2-2.7-15 C-11

STRUCTURAL

16 GENERAL STRUCTURAL NOTES 80.2-2.7-16 S-01

17 SAMPLE BUILDING DEMO PLAN AND SECTION 80.2-2.7-17 S-02

18 SAMPLE BUILDING PLAN 80.2-2.7-18 S-03

19 SAMPLE BUILDING SECTIONS 80.2-2.7-19 S-04

20 SAMPLE BUILDING BEAM SCHEDULE AND DETAILS 80.2-2.7-20 S-05

21 STRUCTURAL DETAILS - SHEET 1 80.2-2.7-21 S-06

22 STRUCTURAL DETAILS - SHEET 2 80.2-2.7-22 S-07

23 OVERFLOW/DRAIN CHAMBER PLAN AND SECTIONS 80.2-2.7-23 S-08

24 CONCRETE AND JOINTS REPAIR DETAILS I 80.2-2.7-24 S-09

25 CONCRETE AND JOINTS REPAIR DETAILS II 80.2-2.7-25 S-10

26 SAMPLE BUILDING DEMO 80.2-2.7-26 A-01

27 SAMPLE BUILDING 80.2-2.7-27 A-02

28 SAMPLE BUILDING SCHEDULES AND DETAILS 80.2-2.7-28 A-03

29 SAMPLE BUILDING DETAILS 80.2-2.7-29 A-04

30 SAMPLE BUILDING 80.2-2.7-30 M-01

31 DEMOLITION PLAN AND SECTION 80.2-2.7-31 M-02

32 OVERFLOW/DRAIN CHAMBER PLAN AND SECTIONS 80.2-2.7-32 M-03

33 MECHANICAL DETAILS AND SECTIONS 80.2-2.7-33 M-04

34 RESERVOIR MIXERS PLAN 80.2-2.7-34 M-05

ELECTRICAL

35 LEGEND AND GENERAL NOTES 80.2-2.7-35 E-01

36 OVERALL SITE PLAN 80.2-2.7-36 E-02

37 SAMPLE BUILDING DEMOLITION PLANS 80.2-2.7-37 E-03

38 SAMPLE BUILDING PLANS 80.2-2.7-38 E-04

39 RESERVOIR PLANS 80.2-2.7-39 E-05

40 ELECTRICAL SCHEDULES AND DETAILS 80.2-2.7-40 E-06

HVAC

41 SAMPLE BUILDING PLAN, SECTION AND SCHEDULES 80.2-2.7-41 H-01

4420 WARREN STREET, NW

Washington, DC 20016

WASHINGTON DC

AutoCAD SHX Text

REV

DATE

DESCRIPTION

BY

EXIT 9

EXIT 12

V I R G I N I A

FAIRFAX CO, VA

ARLINGTON CO, VA

MONTGOMERY CO, MD

WESTERN AVE

SOUTHERN AVE.

PRINCE GEORGES CO, MD

POTOMAC

RIVER

MD

VA

EXIT 40

EXIT 38

EXIT 35

EXIT 41

A R L I N G T O N

W A S H I N G T O N D. C.

OTOMAC

ANACOSTIA

EASTERN AVE

REAGAN WASH. NAT. AIRPORT

PENTAGON

US CAPITOL

WHITE HOUSE

M A R Y L A N D

MONTGOMERY CO, MD

EXIT 14

TO DULLES AIRPORT

DULLES AIRPORT

ACCESS ROAD

DALECARLIA RESERVOIR

MACARTHUR

BLVD.

LOU

GHB

ORO

RD

GOLDSBORO RD

MASS

AVE

MACARTHUR

BLVD.

CABIN

JOHN

PKWY

CLARA

BARTON

AM. LEG.

MEM. BR

GEO.

WASH

MEM.

CANAL.

WARD CIRCLE

NEBRASKA AVE

KEY BR

WHITEHURST

MASS

INDEP AVE

14TH ST.

NORTH TO BALTIMORE

EXIT 27

TO BALT. WASH. INTL. AIRPORT

ROOSEVELT

MEM. BR

ARL. MEM.

BRIDGE

ROSSLYN

14TH ST.

G. W.

P.

M.

PENN. AVE

ANACOSTIA FRWY

KENILWORTH AVE

TO RICHMOND, VA

SOUSA

BR.

SCALE IN MILES

1/4

1/2

TO RICHMOND, VA

CAPITAL

BELTWAY

CHAIN

CAP

BELTWAY

CONST AVE

THOMAS CIRCLE

1ST ST.

7TH ST.

GEORGIA AVE

R. I. AVE

COL. RD

MICH AVE

HRVD ST

ARIZ.

ESVILLE

EXIT 30

EXIT 31

ITAL

GEORGIA

16TH ST.

McMILLAN RESERVOIR

SCOTT CIRCLE

U.S. ARMY CORPS OF ENGINEERS 5900 MACARTHUR BLVD., N.W. WASHINGTON, D.C. 20016-2514 PHONE: 202-764-2753

B.W.

COL

Sheets and Views

G-01

2022-03-18T18:24:27-0400

Steven S. Eagle, P.E. #43684

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

PROJECTION OF VALVE DISC

IN OPEN POSITION

EXISTING STEM CASING

TO BE FIELD VERIFIED

AND REUSED

EXISTING RESERVOIR

ROOF PENETRATION

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.

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

R

G

ID

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.

IN9

/2

B L Y

Y

-1

J

C

IO

FLOOR STAND

AS REQUIRED BY

MECHANICAL DETAILS AND SECTIONS

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

4 OVERFLOW PIPE PENETRATION DETAIL

7 WALL PIPE DETAIL

Sheets

M-02 - DEMOLITION PLAN AND SECTION

M-03 - OVERFLOW/DRAIN CHAMBER PLAN AND SECTIONS

M-04 - MECHANICAL DETAILS AND SECTIONS

2022-03-18T18:44:50-0400

Steven S. Eagle, P.E. #43684

AWG AMERICAN WIRE GAUGE

DEPTH, DEEP, DEGREE OF CURVATURE, DRAIN

BITUMINOUS COATED CORRUGATED METAL PIPE

(NON REINFORCED) CONCRETE PIPECP

COUNTER SUNK

COLD WATER

CONTRACT SPECIALIST

CAPILLARY WATER BARRIER

CERAMIC TILE, CURRENT TRANSFORMER

DRILL HOLE

DISCHARGE

DOWNSPOUT

DEAD LOAD

DISTRIBUTION PANEL

DRINKING WATER DISPENSER

DRY BULB, DECIBEL, DIRECT BURIAL

D PNL

DWD

DWG

DS

DO

DISCH

DN

DL

DIA

DH

DITTO

DRAWING

DIAMETER

DOWN

CWB

CW

D

DB

DET

CT

CTR

C-S

CSK

DETAIL

CENTER

CIP CAST IRON PIPE

CIRCULATING

CENTERLINE, CLEAR, CLEARANCE

CLEANOUT

CONCRETE

CONDUCTOR

CONNECTION

CONSTRUCTION

CONTINUED, CONTINUOUS

CONTRACTION

CONVERTER

CORRUGATED METAL PIPE

CORRUGATED METAL PIPE ARCH

CONCRETE MASONRY UNITS

CO

CONC

COND

CONN

CONST

CONT

CONTR

CONV

COP, CU

COL

COPPER

COLUMN

CMP

CMPA

CL

CLG

CKT

CIR

CJ

CEILING

CIRCUIT

BOTTOM OF CURB

BITUMINOUS

BASE LINE

BEAM, BENCHMARK

BASEMENT

CAPACITY

BRITISH THERMAL UNIT

CENTER TO CENTER

CUBIC FEET PER MINUTE

CAST IRON

BM

BSMT

C, CND

CAP

CFM

CI

CC

CEM

BTU

CEMENT

CONDUIT

BCCMP

BLDG

BLK

BD

BIT

BC

BOARD

BUILDING

BLOCK

BOTTOM

TC

POST INDICATOR VALVEPIV

HEATING HOT WATER

HEATING HOT WATER RETURN

INLET, MOMENT OF INERTIA

INSIDE DIAMETER, INSIDE DIMENSION

INSULATION, INSULATED

JANITOR CLOSET

INVERTINV

JT

JB

JC

JCT

JST

JOINT

JUNCTION BOX

JUNCTION

JOIST

I

ID

INT

INSUL

HVY

HHW

HZ

HHWR

INTERIOR

INCH

HERTZ

HEAVY

PRESS

PT

PVC

PSF

PSI

PRIM

PS

PLNJ

POV

PRELIM

PLYWD

PNL

PLAS

PL

PJF

PL

PRIVATELY OWNED VEHICLE

POUNDS PER SQUARE FOOT

POUNDS PER SQUARE INCH

POINT, POINT OF TANGENT

PAPER AND LEAD NEOPRENE JACKET

POINT OF VERTICAL CURVE, POLYVINYL CHLORIDE

PRESSURE

PULL SWITCH

PRIMARY

PROPERTY LINE

PREFORMED JOINT FILLER

PRELIMINARY

PLYWOOD

PANEL

PLATE

PLASTER

THRU

TP

TS

TW

TYP

3/C

TH

3/P

3 WAY

THRSLD

TF

TEL

TEMP

TERM

OVHD, OH

GALLONS PER MINUTE

GLAZED STRUCTURAL UNIT

GROUND WATER

HORN GAP SWITCH

HORSEPOWER, HIGH POINT

HIGH STRENGTH

GYPSUMGYP

HGSW

HORIZ

HP

HR

HS

HDW

HD

H, HGT

HORIZONTAL

HOUR

HARD DRAWN

HARDWARE

HEIGHT

GPM

GRD

GSU

GW

GR

GA

GALV

GL

GOVT

GROUND

GRADE

GALVANIZED

GOVERNMENT

GLASS

GAUGE

PI

PF

PB

PC

OPP

OPNG

OD

OA

OCB

OC

NTS

NIC

NOM

NO

NDC

NEUT

FIRE ALARM BOX

FAHRENHEIT, FIRE, FLUSH

FLOOR, FLASHING

FEET PER MINUTE

FIRE HOSE CABINET

FINISHFIN

FPM

FS

FT

FR

FJ

FL

FLUOR

4 WAY

FULL SIZE

FOOT, FEET

FRAME

FELT JOINT

FLUORESCENT

FOUR WAY

FDR

FF, FFL

FH

FIG

FHC

FD

FDN

FABX

FEEDER

FIRE HYDRANT

FINISHED FLOOR

FIGURE

FLOOR DRAIN

FOUNDATION

NC

MWP

MTG

MP

MPH

MTD

MISC

MO

MET

MIN

MH

MECH

MEP

MATL

MAX

MBH

MACH

MAS

SP

OVERHEAD

OUTSIDE DIAMETER

PULL BOX

POINT OF CURVE

POINT OF INTERSECTION

PIPE

PROFILE

OPPOSITE

NOSE DOWN CURB

NOT TO SCALE

OUTSIDE AIR

ON CENTER

NOT IN CONTRACT

OIL CIRCUIT BREAKER

NEUTRAL

NUMBER, NORMALLY OPEN

NOMINAL

STL

SWBD

SWGR

T & B

SUPT

SW

SUSP

SUP

SQ

SST

ST

STD

STA

SPC

SPST

SPDT

SPEC

THOUSAND BTU PER HOUR

MILITARY EQUIPMENT PARKING

MEMBRANE WATERPROOFING

MISCELLANEOUS

MILES PER HOUR

NON CORROSIVE, NORMALLY CLOSED

MOUNTING

MASONRY OPENING

MEDIUM PRESSURE

NORTH

MOUNTED

METAL

MANHOLE

MINIMUM

MACHINE

MASONRY

MATERIAL

MAXIMUM

SATC

SH

SL

1 PH

SKCP

SMH

SCH

SECT

SERV

SD

RPM

R/W

SAN

RF

RI

RL

RM

ALUMINUM CONDUCTOR STEEL REINFORCED

AIRBRAKE SWITCH

ACOUSTIC

AREA DRAIN

ADJUSTABLE

ANCHOR BOLT, AUGER BOLT

ASBESTOS CEMENT, ASPHALTIC CONCRETE

AIR CIRCUIT BREAKER

ALTERNATE

ACCESS PANEL

APPROXIMATE

ARRESTOR

ALUMINUM

ACST

ARCH

ARR

APPROX

ASPH

AP

AL

ALT

AD

ADJ

ASPHALT

A, AMP

ACB

ACSR

ABS

AB

AC

AMPERE

ELECTRICAL METALLIC TUBING

ELECTRIC WATER COOLER

EXPANSION, EXPOSED

EXPANSION JOINT

EMERGENCYEMER

EWC

EXIST

EXP

EJ, EXP JT

EXT

EMT

EW

EQUIP

EQ

EXTERIOR

EQUAL

EQUIPMENT

EACH WAY

EA

EF

EL

EC

ELEC

EACH

EMPTY CONDUIT

EACH FACE

ELEVATION

ELECTRIC

EAST

LC

LLV

LT

LLH

LL

LAV

LBS

LA

KCP

KVA

KW

KO

KV

K

ABBREVIATIONS

KEENE'S CEMENT PLASTER

LOUVER, LENGTH, LENGTH OF CURVE

LEAD COVERED

LIVE LOAD

LIGHTNING ARRESTOR

LONG LEG HORIZONTAL

LONG LEG VERTICAL

LIGHT

LAVATORY

POUNDS

KNOCK OUT

KILOVOLT-AMPERE

KIPS (1000 LBS)

KILOVOLT

KILOWATT

RAD

REG

REL

REM

REINF

REQD

RCP

RED

RECIRC

PVT

QT

PVI

WITH

REVISION

W/

METAL IN SECTION

PLAS CEM & GROUT

CONCRETE

GSU & CT

WOOD FINISH

WOOD IN SECTION

TOP OF CURB

TOP OF STEEL, TOP OF STONE, TOP OF SLAB

THROUGH

TEST PIT

TYPICAL

TOP OF WALL

TOP OF FOOTING

THREE CONDUCTOR

TOTAL HEAD (PUMPS)

THREE POLE

THREE WAY

THRESHOLD

TELEPHONE

TEMPORARY

TERMINAL

WITHOUT

WET BULB

WATER CLOSET

WEIGHT

WIDTH, WINDOW DIMENSION

WATER LEVEL

WELDED WIRE MESH

TRANSFORMER

EXTRA STRENGTH

DEFLECTION ANGLE

WATERPROOF, WEATHERPROOF

WASTE STACK, WATER SURFACE, WATERSTOP

2 HORIZONTAL TO 1 VERTICAL

1 VERTICAL ON 2 HORIZONTAL

SINGLE POLE

STREAM, SINGLE THROW, STREET

STEEL

TILE, TOP, TANGENT

TOP AND BOTTOM

SWITCHBOARD

SWITCHGEAR

SUPPORT

SUPPLY

SUSPENDED

SWITCH

SUSPENDED PLASTER CEILING

SINGLE POLE, SINGLE THROW

STAINLESS STEEL

SINGLE POLE DOUBLE THROW

SQUARE

STATION

STANDARD

SPECIFICATION

SUSPENDED ACOUSTICAL TILE CEILING

SUSPENDED KEENE'S CEMENT PLASTER

SANITARY MANHOLE

SHEET

SINGLE PHASE

SLOPE

SECTION

SERVICE

SCHEDULE

STORM DRAIN

RUBBER INSULATED

SOUTH, SECTION MODULUS

SANITARY SEWER

REVOLUTIONS PER MINUTE

RIGHT OF WAY

RAIN LEADER

ROOM

ROOF

XFMR

X-STR

1 ON 2

SLOPE

2:1 SLOPE

YR YEAR

WWM

WL

WT

WP

WS

WC

WD

W/O

WB

ROCK

EARTH

INSULATION

PLYWOOD

BRICK

MATERIALS

VACUUM

UNDERGROUND

UNLESS NOTED OTHERWISE

VINYL ASBESTOS

VAPOR BARRIER

VEHICLE

VOLUME

VITRIFIED CLAY PIPE

VERTICAL

VESTIBULE

VENT, VOLT, VALVE, VELOCITY

VARNISH CAMBRIC, VITRIFIED CLAY

VERTICAL WALL REINFORCING

WIDTH, WASTE, WATER, WATT, WEST

RADIUS, RISER, RUBBER SHEATH

POINT OF VERTICAL INTERSECTION

RADIUS

REINFORCED CONCRETE PIPE

ROOF DRAIN, ROAD

REGULATOR, REGISTER

REINFORCEMENT

RELOCATED

REMOVED

REQUIRED

REDUCING

RECIRCULATION

POINT OF VERTICAL TANGENT

QUARRY TILE

VB

VERT

VEST

VOL

VWR

VEH

VC

VCP

V ASB

UNO

VAC

V

UG

SECTION / DETAIL SYMBOLS

DETAIL OR SECTION

IDENTIFICATION NUMBER

CONDITION IS DRAWN

OR SECTION OF THE

SHEET ON WHICH DETAIL

IDENTIFICATION NUMBER

DETAIL OR SECTION

FRP FIBERGLASS REINFORCED PLASTIC

SIM SIMILAR

WINDOW TAG

DOOR TAG

GLAZING TAG

TITLE

3" = 1'-0"

FLEXIBLEFLEX

OPTIONAL ITEM

OP OPTIONAL ITEM

LG LONG

SV

SVA

SURGE VALVE

SURGE VALVE ACTUATOR

VARIABLE FREQUENCY DRIVEVFD

BFV BUTTERFLY VALVE

VERIFY IN FIELDVIF

ABOVE FINISHED FLOORAFF

HEATING HOT WATER SUPPLYHHWS

SPD SUMP PUMP DISCHARGE

WATER HEATERWH

RET RETURN

STR, STRU STRUCTURAL

DRAINDR

RECP RECEPTACLE

HOT WATER, HEADWALL

HIGH WATER LEVEL

HW

HWL

HOT WATER RETURN / RECIRCULATEHWR

HOT WATER SUPPLYHWS

PPD PACKAGED PUMP DISCHARGE

LINETYPE LEGEND

CONTOURS - EXISTING - INDEX

CONTOURS - EXISTING - INTERVAL

CONTOURS - NEW - INDEX

CONTOURS - NEW - INTERVAL

SANITARY SEWER - EXISTINGSS

SANITARY SEWER - NEWSS

PBO PROPOSED BY OTHERS

DIMENSIONDIM

GAL GALLON

FORCE MAIN - NEWFM FM

INSTALLED BY OTHERSIBO

TWR

TWS

TEPID WATER RETURN

TEPID WATER SUPPLY SSF SSF SUPER SILT FENCE

LIMITS OF DISTURBANCE

PIPE SUPPORT

PIPE SUPPORT ATTACHMENT

(NUMBER DESIGNATOR)

(LETTER DESIGNATOR)

FCA FLEXIBLE COUPLING ADAPTER

CENTRIFUGALLY CAST, GLASS FIBER REINFORCEDCCGFR

TE TEMPERATURE SENSOR (ELEMENT)

TEMPERATURE ELEMENT

TREE PROTECTION FENCETPF TPF

MS MOTION (SENSOR) SWITCH

MOTION SENSOR ELEMENT

DEMOLITIONDEMO

HDPE HIGH DENSITY POLYETHYLENE

MFR MANUFACTURER

MJ MECHANICAL JOINT

PE PLAIN END

GATE VALVE

FLANGED JOINT

WALL PENETRATION

MECHANICAL JOINT

BUTTERFLY VALVE

NEEDLE VALVE

SYMBOLSDMH DRAINAGE MANHOLE

FES FLARED END SECTION

UNDERGROUND WATERUGW

CA CIRCA

SILT FENCE

SF SILT FENCE

SSF SUPER SILT FENCE

TPF TREE PROTECTION FENCE

WOOD CELLULOSE FIBER MULCHWCFM

STORM SEWER - EXISTINGSD

FENCE - EXISTINGX

WATER LINE- EXISTINGW

ELECTRICAL LINE-EXISTINGELEC

ELECTRICAL LINE-NEWELEC

SOIL TYPE LINE

NPS NATIONAL PARK SERVICE

FLANGEFLG

DUCTILE IRONDI

DUCTILE IRON PIPEDIP

80.2-2.7-02 02

G-02

ABBREVIATIONS AND LEGEND

HIGH POINTHPT

LPT LOW POINT

PEN PENETRATION

CEMENT BOARDCB

CANT CANTILEVERED

HG HALF GLASS

INSULATED GLASSIG

LE LEVEL

MR MOISTURE RESISTANT

MX MIXER

EXPOSED STRUCTUREEXP STR

ROD OVERFLOW ROOF DRAIN

TOS

TOC

TOM

TOP OF STRUCTURE

TOP OF CONCRETE

TOP OF MASONRY

ARCHITECT-ENGINEERA\E

COR CONTRACTING OFFICER REPRESENTATIVE

COLD-ROLLED STEELCRS

DESIGN MANAGERDM

OTI OPERATIONS TECHNOLOGY AND INSTRUMENTATION

PM PROJECT MANAGER

POB PLANT OPERATION BRANCH

POC POINT OF CONTACT

U.S. ARMY CORPS OF ENGINEERSUSAGE

WASHINGTON AQUEDUCTWA

ESC EROSION AND SEDIMENT CONTROL

PERF PERFORATED

WELDED WIRE FABRICWWF

X

OP

LOD

TE

ME

XXX.X

Sheets and Views

G-02

2022-03-18T18:25:48-0400

Steven S. Eagle, P.E. #43684

A B C D E F G H I J K L M N O P Q

MECHANICAL MIXER

(MX-1), SEE NOTE 1

MECHANCAL MIXER

(MX-2), SEE NOTE 1

(MX-3), SEE NOTE 1

BAFFLE WALL

56' - 0" 8' - 0"

56' - 0" 8' - 0"

8' - 0" 72' - 0"

REFERENCE E-04 AND E-05 FOR INFORMATION ON ELECTRICAL INSTALLATION

1.

AARON W. DUKE, PE

M-05

RESERVOIR MIXERS PLAN

1" = 20'-0"M-05

1 OVERALL RESERVOIR PLAN (EL 338.50)

2022-03-21T07:40:13-0400

Aaron Duke

80.2-2.7-03 03

G-03

GENERAL NOTES

1. REFER TO CIVIL, STRUCTURAL, MECHANICAL, AND ELECTRICAL DRAWINGS FOR

ADDITIONAL GENERAL NOTES, ABBREVIATION AND SYMBOLS.

2. MATERIALS AND SYSTEMS NOTES ARE TYPICAL IN NATURE AND APPLY TO

MULTIPLE DRAWINGS. NOTES ON ANY DRAWING ARE TO BE APPLIED TO ALL

SIMILAR MATERIALS AND SYSTEMS UNLESS NOTED OTHERWISE.

3. ACTUAL SITE CONDITIONS MAY DIFFER FROM THOSE SHOWN ON THE DRAWINGS.

CONTACT THE GOVERNMENT IF A DISCREPANCY IS FOUND.

4. EXISTING UTILITY LOCATIONS AND PROPOSED EASEMENT AND RIGHT-OF-WAY

BOUNDARIES ARE APPROXIMATE ONLY AND ARE BASED ON BEST AVAILABLE

DATA. CONTRACTOR SHALL FIELD VERIFY THESE LOCATIONS AND ELEVATIONS,

AND IDENTIFY ANY UTILITIES NOT SHOWN IN THE DRAWINGS BEFORE

COMMENCING THE WORK. CONTACT MISS UTILITY AT 1-800-257-7777 AND

WASHINGTON AQUEDUCT FOR FIELD LOCATION OF EXISTING UTILITIES. THE

CONTRACTOR SHALL NOTIFY THE OWNER PRIOR TO THE BEGINNING OF ANY

CONSTRUCTION.

5. ALL DIMENSIONS AND ELEVATIONS SHOWN AND ALL EXISTING CONDITIONS ARE

APPROXIMATE AND SHALL BE VERIFIED BY THE CONTRACTOR PRIOR TO

STARTING WORK. THE CONTRACTOR SHALL VISIT THE SITE AND FAMILIARIZE

HIMSELF WITH ALL EXISTING CONDITIONS PRIOR TO BIDDING WORK.

6. IN CASE OF DISCREPANCIES BETWEEN DIMENSIONS AND SCALE, DIMENSIONS

GOVERN. DO NOT SCALE DRAWINGS.

7. THE CONTRACTOR SHALL PROTECT EXISTING TREES AS NECESSARY AND ONLY

REMOVE MARKED TREES OR AS DIRECTED BY THE GOVERNMENT. CONTRACTOR

SHALL NOT REMOVE ANY TREES UNTIL SPECIFIC APPROVAL FROM THE

GOVERNMENT HAS BEEN RECEIVED. CONTRACTOR SHALL BE RESPONSIBLE FOR

APPLYING AND OBTAINING ANY REQUIRED PERMIT.

8. WORK SHALL BE PERFORMED IN AN EXPEDITED MANNER SO AS TO MINIMIZE THE

TIME THE RESERVOIR IS OUT OF SERVICE.THE CONTRACTOR SHALL PLAN ALL

WORK TO BE COMPLETED DURING RESERVOIR OUTAGE, INCLUDING BUT NOT

LIMITED TO WORK ASSOCIATED WITH SAMPLE BUILDING, DRAINING, INSPECTIONS,

REPAIRS, OPERATIONAL TESTING UNDER WET CONDITIONS AND PUNCH LIST

ITEMS TO BE COMPLETED IN THE LOW DEMAND PERIOD (BETWEEN NOVEMBER

1ST TO MARCH 31ST, BOTH INCLUSIVE) SO THAT THE RESERVOIR IS OUT OF

SERVICE FOR NO MORE THAN NINETY (90) CALENDAR DAYS. THERE CAN ONLY BE

ONE RESERVOIR OUTAGE AND THE CONTRACTOR SHALL ENSURE THAT ALL WORK

INSIDE THE RESERVOIR INCLUDING PREFINAL AND FINAL INSPECTION BY THE

GOVERNMENT IS PERFORMED DURING THIS SINGLE OUTAGE

9. CONTRACTOR SHALL REQUEST CONTRACTING OFFICER REPRESENTATIVE TO

CONTACT DC WATER AT LEAST THIRTY (30) CALENDAR DAYS IN ADVANCE IN

ORDER TO REMOVE ANTENNA PRIOR TO THE DEMOLITION OF THE SAMPLE

BUILDING.

10. PRIOR TO COMMENCING WORK TO DEMOLISH THE SAMPLE BUILDING, THE

CONTRACTOR SHALL PROVIDE THE GOVERNMENT SIXTY (60) CALENDAR DAYS

NOTICE.

11. CONTRACTOR SHALL PAY ALL COSTS INCURRED IN CONNECTING, CONVERTING,

AND TRANSFERRING THE UTILITIES TO THE WORK, INCLUDING BUT NOT LIMITED

TO PROVIDING BACKFLOW-PREVENTING DEVICES ON CONNECTIONS TO

DOMESTIC WATER LINES; PROVIDING METERS; AND PROVIDING TRANSFORMERS;

AND MAKING DISCONNECTIONS. CONTRACTOR SHALL NOT TAP TO CITY FIRE

HYDRANTS FOR OBTAINING DOMESTIC WATER AND IS RESPONSIBLE FOR HIS OWN

WATER SUPPLY IF NEEDED. THE CONTRACTOR IS RESPONSIBLE PROCURING DC

WATER HYDRANT USE AND TRAFFIC USE PERMITS TO RUN HOSES TO THE

NEAREST HYDRANT.

12. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING WATER DISCHARGE

PERMIT FOR CONSTRUCTION WASH WATER FROM DCWATER. IN CASE RESERVOIR

DRAIN WATER HAS TO BE DISCHARGED INTO THE STORM SEWER, CONTRACTOR

SHALL ENSURE THAT IT MEETS THE WA GENERAL NPDES REQUIREMENTS.

CONTRACTOR IS RESPONSIBLE FOR SAMPLING AND TESTING REQUIREMENTS AS

DESCRIBED IN SPECIFICATION 01 57 19.

13. CONTRACTOR SHALL COORDINATE THE DRAINING AND THE SUPPLY OF FINISHED

WATER NECESSARY FOR FILLING, TESTING AND START-UP OF THE RESERVOIR

WITH THE WASHINGTON AQUEDUCT, AT LEAST THIRTY (30) CALENDAR DAYS IN

ADVANCE.

14. CONTRACTOR SHALL PROVIDE PERIMETER SITE SECURITY THROUGHOUT

CONSTRUCTION. AT A MINIMUM, CONTRACTOR SHALL INSTALL TEMPORARY

FENCING AND SIGNS ALONG LIMITS OF DISTURBANCE, WHERE EXISTING FENCE

HAS BEEN REMOVED FOR CONSTRUCTION ACTIVITIES OR AS DIRECTED BY THE

GOVERNMENT. TEMPORARY FENCING SHALL BE A SPECIFIC COMPONENT OF THE

CONTRACTOR'S WORK PLAN SUBMITTAL.

15. THE PROPOSED STAGING AREA AS SHOWN ON SHEET C-01 HAS TREES THAT

SHALL BE PROTECTED AT ALL TIMES. IF ADDITIONAL AREA IS REQUIRED, THE

CONTRACTOR MAY UTILIZE AREAS WITHIN THE PROPERTY LIMITS WITH PRIOR

APPROVAL FROM THE WASHINGTON AQUEDUCT. IF OFF-SITE STAGING AREA IS

REQUIRED FOR THE CONTRACTOR’S STAGING NEEDS, THEN THE CONTRACTOR

SHALL MAKE ALL NECESSARY ARRANGEMENTS AT NO ADDITIONAL COST TO THE

WASHINGTON AQUEDUCT.

16. CONTRACTOR SHALL CONFIRM THE BOUNDARY OF PROPERTY OWNERSHIP BY

THE WASHINGTON AQUEDUCT AND MAINTAIN ALL CONSTRUCTION ACTIVITIES

WITHIN THAT BOUNDARY.

17. IF EXISTING FACILITIES OR ANY PRIVATE OR GOVERNMENT PROPERTY IS

DAMAGED DURING THE COURSE OF THE WORK, THE CONTRACTOR SHALL REPAIR

TO THE SATISFACTION OF THE OWNER AT NO EXTRA COST TO THE GOVERNMENT.

18. ALL WORK SHALL CONFORM TO ALL APPLICABLE CODES, STANDARDS, AND

GOVERNING AUTHORITIES.

19. ALL CONCRETE REPAIR MATERIALS AND OTHER PRODUCTS USED FOR WORK

WITHIN THE RESERVOIR SHALL CONFORM TO NSF/ANSI 61 FOR CONTACT WITH

POTABLE WATER SUPPLIES.

20. THE ARCHITECT'S SELECTION OF FENCE MATERIALS AND DETAILS DOES NOT

RELIEVE THE CONTRACTOR FROM VERIFYING WITH THE FENCE MATERIAL

SUPPLIERS THAT THE PROPOSED FENCE MATERIALS ARE CORRECT AND PROPER

FOR THE INTENDED APPLICATION AND USE. PRIOR COORDINATION SHALL BE

MADE WITH THE WASHINGTON AQUEDUCT CHIEF OF SECURITY AND LAW

ENFORCEMENT ABOUT THE LATEST REQUIREMENTS FOR FENCE, CAMERA

SYSTEM AND RELATED WORK.

21. PROVIDE ACCESS PANELS REQUIRED FOR MECHANICAL, ELECTRICAL, PLUMBING,

AND FIRE PROTECTION EQUIPMENT.

22. CONTRACTOR SHALL KEEP THE ROADWAYS CLEAR AND CLEAN OF

CONSTRUCTION DEBRIS AND EQUIPMENT.

23. CONTRACTOR SHALL NOT STORE UNNECESSARY MATERIALS OR EQUIPMENT ON

THE JOB SITE AND SHALL TAKE CARE TO PREVENT ANY STRUCTURE FROM BEING

LOADED WITH A WEIGHT WHICH WILL ENDANGER ITS SECURITY OR THE SAFETY

OF PERSONS.

24. THE CONTRACTOR WORK SHALL COMPLY WITH LIMITS SPECIFIED IN THE DC NOISE

ORDINANCE.

25. UPON COMPLETION OF THE WORK, THE CONTRACTOR IS RESPONSIBLE FOR

REMOVING ALL MATERIAL, EQUIPMENT AND DEBRIS, AND RESTORING THE SITE TO

ITS ORIGINAL CONDITION.

26. THE CONTRACTOR SHALL PLAN FOR LEAKAGE THROUGH VALVES, JOINT LEAKS IN

MAINS, ROOF AND WALLS, AND SHALL HAVE THE NECESSARY PUMPS AND LINES

AVAILABLE SO AS NOT TO ALLOW ANY LEAKAGE TO IMPEDE PROJECT PROGRESS.

27. IT HAS BEEN DETERMINED THAT THE RESERVOIR HAS INFILTRATION WHEN IT IS

EMPTY. THE CONTRACTOR SHALL ASSUME WET WORKING CONDITIONS INSIDE

THE RESERVOIR.

28. THE CONTRACTOR SHALL PROCURE ALL NECESSARY PERMITS FOR STREET

OPENINGS, TRAFFIC CONTROL, AND SEDIMENT AND EROSION CONTROL RELATED

TO PERFORMING EXCAVATION IN THE VICINITY OF THE RESERVOIR FOR WORK

UNDER THIS CONTRACT. THE CONTRACTOR SHALL COMPLY WITH THE

PROVISIONS OF THESE PERMITS.

29. THE ACQUISITION OF A DDOT/URBAN FORESTRY DIVISION SPECIAL TREE

REMOVAL PERMIT MAY BE REQUIRED FOR ANY TREE REMOVAL. THE REMOVAL OF

TREES GREATER OR EQUAL TO 100 INCHES IN CIRCUMFERENCE IS PROHIBITED.

30. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED IMMEDIATELY

FOLLOWING INITIAL INSTALLATION, WEEKLY THEREAFTER, AND WITHIN 24 HOURS

AFTER A RAINFALL EVENT PRODUCING 1/2 INCH OR GREATER OF RAIN. MEASURES

SHALL BE REPAIRED OR REPLACED AS NECESSARY.

PROJECT DESCRIPTION

THE PROJECT INVOLVES MAINTENANCE AND IMPROVEMENTS WORK TO THE SECOND

HIGH RESERVOIR. THE CONTRACTOR SHALL PROCURE ALL NECESSARY PERMITS FOR

STREET OPENINGS, TRAFFIC CONTROL, EROSION AND SEDIMENT CONTROL AND ANY

OTHER WORK RELATED TO PERFORMING WORK UNDER THIS CONTRACT. THE

CONTRACTOR SHALL COMPLY WITH THE PROVISIONS OF THESE PERMITS AT ALL

TIMES. THE CONTRACTOR SHALL ALSO BE RESPONSIBLE FOR INSTALLING

TEMPORARY CONSTRUCTION ENTRANCE, TREE PROTECTION FENCE, ALL PERIMETER

SOIL EROSION AND SEDIMENT CONTROL DEVICES, AND SILT FENCE AS SHOWN ON

PLAN PRIOR TO ANY SITE DISTURBANCE OR CONSTRUCTION. THE MAJOR FEATURES

OF THIS PROJECT INCLUDE THE FOLLOWING:

1. SITE WORK INCLUDING BUT NOT LIMITED TO INSTALLATION OF SUB-DRAINAGE

SYSTEM ON TOP OF THE ROOF WITH DRAIN INTO AIR-GAP CHAMBER,

CONNECTION OF SUBDRAIN SYSTEM TO 8-INCH PVC DRAIN AND ELECTRICAL SITE

WORK.

2. DEMOLITION OF EXISTING AND INSTALLATION OF NEW 24-INCH TERRA COTTA

DRAIN LINE, VALVE, STEM AND ACTUATOR AND ADDITION OF A REDUNDANT

DRAIN VALVE ON NEW 24-INCH DRAIN LINE OUTSIDE RESERVOIR.

3. DEMOLITION OF EXISTING AND CONSTRUCTION OF NEW SAMPLE BUILDING

CONSISTING OF TWO COMPARTMENTS. ONE COMPARTMENT SHALL BE

MECHANICALLY VENTILATED AND DESIGNED TO BE FREE OF CHLORINE FUMES

AND HOUSE THE SCADA, ELECTRICAL AND SECURITY EQUIPMENT, AND THE

OTHER COMPARTMENT SHALL CONTAIN THE ACCESS HATCHES AND HOUSE

SAMPLING EQUIPMENT. THE NEW SAMPLE BUILDING SHALL HAVE NO

ATTACHMENTS AND ALL PENETRATIONS SHALL BE SUBSURFACE.

4. REPAIR WORK ASSOCIATED WITH EXISTING AREA ON THE WEST SIDE OF THE

RESERVOIR INCLUDING BUT NOT LIMITED TO FILLING WITH SUITABLE MATERIAL

TO MATCH PROPOSED GRADE AND PLACING SOD.

5. JOINT STRUCTURAL INSPECTION OF THE INTERIOR OF THE RESERVOIR WITH THE

WASHINGTON AQUEDUCT AND THEIR A/E FIRM.CONTRACTOR SHALL BE

RESPONSIBLE FOR ALL SECURITY AND SAFETY PROTOCOLS FOR WORK WITHIN A

CONFINED SPACE. ENTRY SPACE INCLUDING BUT NOT LIMITED TO AIR

MONITORING, CSE, BLOWERS, ETC, NEEDED TO PERFORM THIS INSPECTION. THIS

INSPECTION SHALL BE COORDINATED WITH THE GOVERNMENT AT LEAST FIFTEEN

(15) CALENDAR DAYS IN ADVANCE AND SHALL TAKE PLACE AS SOON AS THE

RESERVOIR IS TAKEN OUT OF SERVICE. THE OBJECTIVE OF THIS INSPECTION IS

TO VERIFY AND CONFIRM TYPES AND QUANTITIES OF CONCRETE REPAIRS

NEEDED.

6. CONTRACTOR WILL BE RESPONSIBLE FOR DRAINING THE RESERVOIR IN

COORDINATION WITH THE WASHINGTON AQUEDUCT. CONTRACTOR SHALL

SUBMIT A RESERVOIR DRAINING AND DECHLORINATION PLAN DESCRIBING

DECHLORINATION, DRAINAGE AND DISCHARGE PROTOCOLS NO LATER THAN

FIFTEEN (15) CALENDAR DAYS AFTER NTP AND OBTAIN APPROVAL FROM THE

WASHINGTON AQUEDUCT PRIOR TO RESERVOIR OUTAGE COORDINATION.

DECHLORINATION AND DISCHARGE ACTIVITIES SHALL BE IN COMPLIANCE WITH

NPDES PERMITTING REQUIREMENTS, (REFER TO SPECIFICATION 01 57 19 FOR

PERMITTING REQUIREMENTS).

7. CONCRETE REPAIRS ALONG CEILING, FLOOR, WALLS, COLUMNS AND JOINTS

INSIDE THE RESERVOIR INCLUDING TAPING OF FLOOR JOINTS. THIS WORK

INCLUDES HANDLING AND DISPOSAL OF CONSTRUCTION JOINT MATERIAL THAT

HAS BEEN DETERMINED TO CONTAIN ASBESTOS.

8. MECHANICAL UPGRADES INSIDE THE RESERVOIR, INCLUDING BUT NOT LIMITED

TO, INSTALLATION AND TESTING OF NEW BUTTERFLY VALVE, MIXERS,

SUBMERSIBLE LEVEL TRANSDUCERS AND PIPES.

9. DISINFECTING AND REFILLING OF THE RESERVOIR IN ACCORDANCE WITH AWWA

C652-11, SEC 4.3. THE CONTRACTOR SHALL OBTAIN PRIOR APPROVAL FROM

WASHINGTON AQUEDUCT NO LATER THAN FIFTEEN (15) CALENDAR DAYS FROM

NTP FOR THE METHOD TO BE APPLIED. THE CONTRACTOR SHALL ENSURE THAT

ALL AREAS OF THE RESERVOIR WHERE WORK WAS CONDUCTED AND WHERE

POSSIBLY WERE CONTAMINATED BY THE WORK INSIDE THE RESERVOIR ARE

DISINFECTED, INCLUDING BUT NOT LIMITED TO CONTROL VALVES, WALL PIPES,

DRAIN LINES, AND INFLUENT AND EFFLUENT MAINS, AS APPLICABLE.

10. CLEANING OF THE FLOOR INSIDE THE RESERVOIR AND ANY OTHER AREAS THAT

ARE AFFECTED BY CONTRACTOR'S ACTIVITIES USING POTABLE WATER IN

ACCORDANCE WITH AWWA C-652-11, SEC 4.1. THE CONTRACTOR SHALL

PRESSURE WASH WITH PRESSURE NOT EXCEEDING 2,500 PSI AND SHALL

DECREASE THE PRESSURE AS NEEDED SO AS NOT TO CAUSE DAMAGE TO THE

RESERVOIR. WASH WATER DISPOSAL SHALL FOLLOW SPECIFICATION 01 57 19

AND SHALL BE IN ACCORDANCE WITH NPDES PERMIT REQUIREMENTS.

11. DECHLORINATION AND MAINTAINING COMPLIANCE WITH NPDES (PERMIT NUMBER

DC0000019), INCLUDING SAMPLING AND TESTING PRIOR TO DISCHARGE DURING

DRAINING OF THE RESERVOIR.

12. INSTALLATION OF A NEW BUG/RODENT SCREEN ON THE DIP DISCHARGE LINE

INSIDE THE AIR-GAP CHAMBER.

13. WATERPROOFING MEMBRANE REPAIRS TO AREAS BENEATH THE NEW SAMPLE

14. INSTALLATION OF A 4-INCH DISCHARGE LINE FROM SAMPLE WATER DISCHARGE

TO AN EXISTING SANITARY SEWER MANHOLE LOCATED AT WARREN STREET NW.

15. INSTALLATION OF UTILITY POLE AND YAGI POLE TYPE ANTENNA.

16. DEMOLITION OF THE EXISTING CHAIN LINK FENCE AND GATES AND INSTALLATION

OF THE NEW 8-FOOT HIGH PICKET FENCE AND GATES IN A MANNER SO THAT

SECOND HIGH RESERVOIR IS NEVER WITHOUT A SECURE FENCE, AND THAT THE

SECURITY CAMERA SYSTEM (LOCATED ON INDEPENDENT POLES JUST INSIDE

THE EXISTING FENCE LINE) ARE NOT DISTURBED, IMPACTED OR DAMAGED.

CONTRACTOR SHALL ENSURE THAT NO GAP IN FENCING SHALL BE LEFT

UNATTENDED AT ANY TIME AND THE CONTRACTOR SHALL VERIFY AT THE END OF

EACH WORK DAY THAT NO GAP EXISTS THAT COMPROMISES THE SECURITY OF

THE RESERVOIR. TEMPORARY FENCING SHALL BE INSTALLED, REPAIRED AND

UTILIZED AS REQUIRED AT NO ADDITIONAL COST TO THE OWNER.

17. SALVAGED SECURITY EQUIPMENT MUST BE REINSTALLED BY THE

GOVERNMENT'S SECURITY CONTRACTOR AND SHALL BE COMPLETED AND

TESTED PRIOR TO THE END OF THE WORK ON THIS CONTRACT. THE

CONTRACTOR SHALL ENSURE THAT THERE IS NO LAPSE IN SITE SECURITY

COVERAGE AT ANY TIME DURING THIS CONTRACT. THE CONTRACTOR SHALL

COORDINATE THE REQUIRED REINSTALLATION AND RETESTING WITH A MINIMUM

OF THIRTY (30) CALENDAR DAYS NOTICE AND PRIOR TO COMPLETION OF THE

WORK IN THIS CONTRACT.

18. RESTORATION OF DISTURBED AREAS TO ORIGINAL OR BETTER CONDITIONS,

INCLUDING BUT NOT LIMITED TO SODDING, SIDEWALK AND PAVEMENT REPAIRS,

PEDESTRIAN WALKWAYS, ETC.

19. CLOSE-OUT ACTIVITIES INCLUDING BUT NOT LIMITED TO REMOVAL OF EROSION

AND SEDIMENT CONTROL, TESTING AND COMMISSIONING TO THE SATISFACTION

OF THE GOVERNMENT, PRE-FINAL INSPECTION, CORRECTIVE WORK IF

APPLICABLE BASED ON GOVERNMENT INSPECTION, AS-BUILT SUBMITTAL,

PREPARATION OF PUNCH LIST, SUBMISSION OF INSTALLED EQUIPMENT AND

DEMOBILIZATION.

20. ANY INCIDENTAL WORK ASSOCIATED WITH THE PROJECT DESCRIPTION

DESCRIBED ABOVE.

CONSTRUCTION SEQUENCE

THE FOLLOWING CONSTRUCTION SEQUENCE IS SUGGESTED FOR THIS PROJECT.

THIS IS NOT ALL-INCLUSIVE AS MAY NOT INCLUDE ALL CONSTRUCTION ACTIVITIES

ASSOCIATED WITH THIS PROJECT. THE CONTRACTOR IS RESPONSIBLE FOR

DEVELOPING A CONSTRUCTION SEQUENCING AND SCHEDULE BASED ON EXISTING

CONDITIONS ENCOUNTERED.

PHASE I – MOBILIZATION

1. INSTALL TEMPORARY CONSTRUCTION ENTRANCE, TREE PROTECTION FENCE, ALL

PERIMETER SOIL EROSION AND SEDIMENT CONTROL DEVICES, AND SILT FENCE AS

SHOWN ON PLAN, PRIOR TO ANY SITE DISTURBANCE OR CONSTRUCTION.

2. ALL EROSION CONTROL MEASURES SHALL BE INSPECTED IMMEDIATELY

FOLLOWING INITIAL INSTALLATION, WEEKLY THEREAFTER, AND WITHIN 24 HOURS

AFTER EACH RAINFALL EVENT PRODUCING 1/2 INCH OR GREATER OF RAIN.

MEASURES SHALL BE REPAIRED OR REPLACED AS NECESSARY.

3. CONTRACTOR TO ENSURE THAT THE EXISTING SAMPLE BUILDING, CONTROL

SYSTEM AND RELATED DEVICES, SECURITY SYSTEM AND RELATED DEVICES,

ACCESS CONTROLS AND ALL SITE UTILITIES REMAIN IN SERVICE AT ALL TIMES THAT

THE SECOND HIGH RESERVOIR IS IN SERVICE. THIS IS AN ABSOLUTE REQUIREMENT

AND SUPERSEDES ANY OTHER PROVISION OF THESE CONTRACT DOCUMENTS

RELATED TO ALLOWABLE OUTAGES. COORDINATION WITH THE GOVERNMENT

SHALL BE PERFORMED TO SUFFICIENTLY PLAN FOR REQUIRED OUTAGES AND TO

ENSURE THAT THE ASSOCIATED WORK IS COMPLETED WHILE THE SECOND HIGH

RESERVOIR IS OUT OF SERVICE.

PHASE II – WORK PRIOR TO RESERVOIR OUTAGE

1. ONCE PERIMETER AND INLET PROTECTION MEASURES HAVE BEEN INSTALLED,

CONTRACTOR SHALL BEGIN SUBDRAINAGE TRENCH EXCAVATION

2. THE CONTRACTOR SHALL PERFORM SITE WORK PRIOR TO TAKING THE RESERVOIR

OUT OF SERVICE, INCLUDING BUT NOT LIMITED TO, INSTALLATION OF

SUB-DRAINAGE SYSTEM WITH DRAIN INTO AIR-GAP CHAMBER, CONNECTION OF

SUBDRAIN SYSTEM TO 8-INCH PVC DRAIN, AND ELECTRICAL SITE WORK.

3. PLUGGING EXISTING DRAIN, AIRGAP SHEETING/SHORING, CONSTRUCTION OF NEW

AIRGAP STRUCTURE AND INSTALLATION OF NEW 24-INCH DIP, 24-INCH HDPE

OVERFLOW PIPE, PVC PIPING AND 24-INCH BUTTERFLY VALVE.

4. CONTRACTOR SHALL PERFORM REPAIR WORK ASSOCIATED WITH APPROXIMATELY

70 SY OF EXISTING AREA ON THE WEST SIDE OF THE RESERVOIR INCLUDING BUT

NOT LIMITED TO FILLING WITH SUITABLE MATERIAL TO MATCH PROPOSED GRADE

AND PLACING SOD.

5. SURPLUS SOIL FROM SUB-DRAIN INSTALLATION SHALL BE HAULED AWAY AS

NECESSARY.

6. THE CONTRACTOR SHALL INFORM THE GOVERNMENT AT LEAST SIXTY (60)

CALENDAR DAYS IN ADVANCE AND OBTAIN PRIOR APPROVAL FROM THE

GOVERNMENT, PRIOR TO COMMENCING WORK INSIDE THE RESERVOIR.

7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR DECHLORINATION AND

MAINTAINING COMPLIANCE WITH NPDES (PERMIT NUMBER DC0000019), INCLUDING

SAMPLING AND TESTING PRIOR TO DISCHARGE DURING DRAINING OF THE

RESERVOIR.

PHASE III – WORK INSIDE THE RESERVOIR DURING OUTAGE (TO BE PERFORMED

BETWEEN NOVEMBER 1 AND MARCH 31 WHILE NOT EXCEEDING A TOTAL OF 90

CALENDAR DAYS)

1. CONTRACTOR SHALL BE RESPONSIBLE FOR DRAINING OF THE RESERVOIR IN

COORDINATION WITH THE WASHINGTON AQUEDUCT, AT LEAST THIRTY (30)

CALENDAR DAYS IN ADVANCE.

2. THE CONTRACTOR SHALL FACILITATE A JOINT STRUCTURAL INSPECTION WITH THE

WASHINGTON AQUEDUCT AND THEIR A/E FIRM. CONTRACTOR WILL BE

RESPONSIBLE FOR ALL SECURITY AND SAFETY PROTOCOLS (I.E., AIR MONITORING,

CSE, BLOWERS, ETC) NEEDED TO UNDERTAKE THIS INSPECTION. STRUCTURAL

INSPECTION WILL TAKE PLACE AS SOON AS THE RESERVOIR IS TAKEN OUT OF

SERVICE AND IS AIMED AT VERIFYING ACTUAL TYPES AND QUANTITIES OF REPAIRS

NEEDED.

3. THE CONTRACTOR SHALL PERFORM CONCRETE REPAIRS ALONG CEILING, FLOOR,

WALLS, COLUMNS AND JOINTS INSIDE THE RESERVOIR.

4. THE CONTRACTOR SHALL PERFORM MECHANICAL UPGRADES INSIDE THE

RESERVOIR, INCLUDING BUT NOT LIMITED TO, INSTALLATION AND TESTING OF NEW

BUTTERFLY VALVE, MIXERS AND PIPES.

5. THE CONTRACTOR SHALL ALSO BE RESPONSIBLE FOR CLEANING THE FLOOR

INSIDE THE RESERVOIR AND ANY OTHER AREAS THAT ARE AFFECTED BY THEIR

ACTIVITIES USING POTABLE WATER IN ACCORDANCE WITH AWWA C-652-11, SEC 4.1.

THE CONTRACTOR SHALL PRESSURE WASH WITH PRESSURE NOT EXCEEDING 2,500

PSI AT ANY TIME AND SHALL DECREASE THE PRESSURE AS NEEDED SO AS NOT TO

CAUSE DAMAGE TO THE RESERVOIR. THE WATER USED FOR CLEANING NEEDS TO

BE REMOVED FROM THE RESERVOIR IN ACCORDANCE WITH SECTION 01 57 19

TEMPORARY ENVIRONMENTAL CONTROLS, AND ANY OTHER APPLICABLE PERMIT

CONDITIONS.

6. THE CONTRACTOR IS RESPONSIBLE FOR DISINFECTING AND REFILLING OF THE

RESERVOIR IN ACCORDANCE WITH C-652-11, SEC 4.3. THE CONTRACTOR SHALL

ADHERE TO METHOD 1 AND ANY DEVIATION FROM THIS SHALL BE SUBMITTED BY

THE CONTRACTOR AS A REQUEST FOR APPROVAL BY THE GOVERNMENT. THE

CONTRACTOR SHALL OBTAIN PRIOR APPROVAL FROM WASHINGTON AQUEDUCT NO

LATER THAN FIFTEEN (15) CALENDAR DAYS FROM NTP FOR THE METHOD TO BE

APPLIED. THE CONTRACTOR SHALL ENSURE THAT ALL COMPONENTS OF THE

RESERVOIR POSSIBLY CONTAMINATED BY THE WORK INSIDE THE RESERVOIR NEED

TO BE DISINFECTED, INCLUDING BUT NOT LIMITED TO CONTROL VALVES, WALL

PIPES, DRAIN LINES, AND INFLUENT AND EFFLUENT MAINS, AS APPLICABLE.

7. THE CONTRACTOR SHALL COMPLETE WORK ASSOCIATED WITH NEW SAMPLE

BUILDING, INCLUDING BUT NOT LIMITED TO BRICKWORK, ELECTRICAL, HVAC AND

PAINTING.

8. CONTRACTOR SHALL BE RESPONSIBLE FOR INSTALLATION OF UTILITY POLE AND

YAGI POLE TYPE ANTENNA.

9. REMOVE EXISTING SIDEWALK AND REPLACE IT WITH A NEW SIDEWALK

CONNECTING TO THE EXISTING SAMPLE BUILDING AND STAIRS.

10. CONTRACTOR SHALL REPAIR THE WATERPROOFING MEMBRANE BENEATH THE

NEW SAMPLE BUILDING AS SHOWN IN THE DRAWINGS.IN THE EVENT OF ANY OTHER

DAMAGE TO THE WATERPROOFING MEMBRANE AS A RESULT OF CONSTRUCTION

ACTIVITIES, THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING THE

REPAIRS AT NO ADDITIONAL COST TO THE GOVERNMENT.

11. THE CONTRACTOR SHALL PLAN ALL WORK INSIDE THE RESERVOIR INCLUDING

DRAINING, INSPECTIONS, REPAIRS, OPERATIONAL TESTING UNDER WET

CONDITIONS, POTENTIAL CORRECTIVE WORK AFTER PRELIMINARY WALKTHROUGH,

FINAL WALKTHROUGH, PUNCH LIST ITEMS FILLING OF RESERVOIR, CHLORINATION

AND DEMOBILIZATION TO BE COMPLETED IN THE LOW DEMAND PERIOD (BETWEEN

NOVEMBER 1ST TO MARCH 31ST, BOTH INCLUSIVE) SO THAT THE RESERVOIR IS

OUT OF SERVICE FOR NO MORE THAN NINETY (90) CALENDAR DAYS. THE

CONTRACTOR MAY BE REQUIRED TO CONDUCT 16-HOUR DAYS, EITHER THROUGH

DOUBLE SHIFTS OR THROUGH MULTIPLE CREWS, AS APPLICABLE AND APPROVED

BY WASHINGTON AQUEDUCT WHILE BEING COMPLIANT WITH LOADING LIMITS ON

THE RESERVOIR. THE CONTRACTOR SHALL INFORM AND OBTAIN PRIOR APPROVAL

FROM WASHINGTON AQUEDUCT AND THEIR A/E AT LEAST SIXTY (60) CALENDAR

DAYS IN ADVANCE BEFORE SCHEDULING WORK INSIDE THE RESERVOIR.

12. CONTRACTOR SHALL BE RESPONSIBLE FOR COORDINATING THE SUPPLY OF

FINISHED WATER NECESSARY FOR FILLING, TESTING AND START-UP OF THE

RESERVOIR WITH THE WASHINGTON AQUEDUCT, AT LEAST THIRTY (30) CALENDAR

DAYS IN ADVANCE.

31. CONTRACTOR TO ENSURE THAT THE EXISTING SAMPLE BUILDING, CONTROL

SYSTEM AND RELATED DEVICES, SECURITY SYSTEM AND RELATED DEVICES,

ACCESS CONTROLS AND ALL SITE UTILITIES REMAIN IN SERVICE AT ALL TIMES

THAT THE SECOND HIGH RESERVOIR IS IN SERVICE. THIS IS AN ABSOLUTE

REQUIREMENT AND SUPERSEDES ANY OTHER PROVISION OF THESE CONTRACT

DOCUMENTS RELATED TO ALLOWABLE OUTAGES. COORDINATION WITH THE

GOVERNMENT SHALL BE PERFORMED TO SUFFICIENTLY PLAN FOR REQUIRED

OUTAGES AND TO ENSURE THAT THE ASSOCIATED WORK IS COMPLETED WHILE

THE SECOND HIGH RESERVOIR IS OUT OF SERVICE.

32. CONTRACTOR SHALL RESTORE DISTURBED AREAS TO ORIGINAL OR BETTER

CONDITION .

33. SANDBLASTING CANNOT BE PERFORMED INSIDE THE RESERVOIR UNDER ANY

CIRCUMSTANCES.

34. NO WORK TO BE PERFORMED DURING FEDERAL HOLIDAYS AS ESTABLISHED BY

THE FEDERAL LAW (5 U.S.C. 6103). THE LIST OF FEDERAL HOLIDAYS CAN BE

ACCESSED FROM THE U.S. OFFICE OF PERSONNEL MANAGEMENT (OPM)

WEBSITE THROUGH THE FOLLOWING LINK -

(https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/). THE

CONTRACTOR SHALL NOTIFY WASHINGTON AQUEDUCT AT LEAST 15 CALENDAR

DAYS PRIOR TO THE HOLIDAY AND RECEIVE APPROVAL IF THEY NEED TO

PERFORM WORK ON THE FEDERAL HOLIDAYS

35. THE OWNER SHALL HAVE THE AUTHORITY TO ORDER WORK STOPPED OR

PROHIBITED THAT WOULD IN HIS OPINION, UNREASONABLY RESULT IN

INTERRUPTING THE NECESSARY FUNCTIONS OF THE PLANT OPERATIONS.

36. PARKING FOR PERSONAL VEHICLES OF CONSTRUCTION PERSONNEL SHALL NOT

BE ALLOWED ALONG VAN NESS ST NW. THE GENERAL CONTRACTOR SHALL BE

RESPONSIBLE FOR PROVIDING ACCESS TO AND FOR PREPARING AND

MAINTAINING/APPROVED PARKING AREAS.

SAFETY REQUIREMENTS

1. ALL WORK IN THE INTERIOR OF THE RESERVOIR IS CONSIDERED WORK WITHIN

PERMIT REQUIRED CONFINED SPACE AND THE CONTRACTOR SHALL BE

RESPONSIBLE FOR ALL PERMIT ACQUISITION, COMPLIANCE AND SAFETY

REQUIREMENTS, AS WELL AS ARRANGING SUITABLE LIGHTING, VENTILATION,

MOISTURE CONTROL, ETC, TO COMPLETE THE WORK. REFER TO USACE'S EM

385-1-1, SECTION 34 (AND OSHA GENERAL INDUSTRY 1910.146) FOR SPECIFIC

DETAILS.

2. WHEN PREPARING FOR CONFINED SPACE WORK, CONTRACTOR SHALL TEST FOR

SIGNIFICANTLY HIGH LEVELS OF CHLORINE AS PART OF THE REQUIRED

MULTI-GAS METER TESTING.

3. AS PART OF EM 385-1-1, CONTRACTOR SHALL COMPLETE AND SUBMIT FORM A-02

ACCIDENT PREVENTION PLAN CHECKLIST AT OR BEFORE THE

PRE-CONSTRUCTION MEETING.

SECURITY INSTRUCTION NOTES

1. THE WASHINGTON AQUEDUCT AND ASSOCIATED PROPERTIES ARE CONSIDERED

SECURE SITES. THE CONTRACTOR SHALL PROVIDE PERSONNEL INFORMATION,

COMPLY WITH SECURITY POLICIES, AND MAINTAIN SECURE ACCESS TO THE SITE

AT ALL TIMES.

2. THE CONTRACTOR SHALL ACCESS THE SITE THROUGH THE CARD READER

SLIDING GATE AND KEEP THE GATE LOCKED, IF NOT IN USE, AT ALL TIMES.

3. ALL CONTRACTORS AND SUBCONTRACTORS ARE REQUIRED TO BE US CITIZENS.

FOREMAN IS REQUIRED TO COMPLETE FORM DA 1999 WITH IDENTITY OF ALL

INDIVIDUALS ENTERING AND EXITING THE SITE. THESE FORMS ARE TO BE

SUBMITTED TO WASHINGTON AQUEDUCT'S CHIEF OF SECURITY AND LAW

ENFORCEMENT ON A WEEKLY BASIS.

4. THE CONTRACTOR SHALL COORDINATE THE DEMOLITION AND REPLACEMENT OF

THE EXISTING FENCE AND GATES IN A MATTER THAT AT NO TIME THE SECOND

HIGH RESERVOIR IS WITHOUT A SECURE FENCE. NO GAP SHALL BE LEFT

UNATTENDED AT ANY TIME AND THE CONTRACTOR SHALL VERIFY AT THE END OF

THE WORK DAY THAT NO GAP EXISTS THAT COMPROMISES THE SECURITY OF

THE RESERVOIR. TEMPORARY FENCING SHALL BE INSTALLED AND UTILIZED AS

REQUIRED AT NO ADDITIONAL COSTS TO THE GOVERNMENT.

TEMPORARY POWER

1. CONTRACTOR TO COORDINATE AND REQUEST APPROVAL FROM WASHINGTON

AQUEDUCT AT LEAST FIFTEEN (15) CALENDAR DAYS IN ADVANCE BEFORE

DISCONNECTING POWER, NETWORK AND PHONE SERVICES TO THE SAMPLE

2. IF TEMPORARY POWER WILL BE REQUIRED ON THE PROJECT SITE, PROVIDE A

TEMPORARY POWER PLAN AND SKETCH REQUIREMENT FOR GOVERNMENT

REVIEW AND ACCEPTANCE AT LEAST THIRTY (30) CALENDAR DAYS IN ADVANCE.

SEALANT NOTES

1. SEAL EXTERIOR JOINTS AROUND DOORS, WINDOWS AND LOUVER FRAMES AND

PENETRATIONS OF MECHANICAL, ELECTRICAL, AND PLUMBING ELEMENTS TO

PREVENT AIR INFILTRATION AND WATER LEAKAGE.

2. ALL SEALANT JOINTS SHALL BE SIZED AS RECOMMENDED BY MANUFACTURER IN

THEIR INSTALLED POSITION.

3. ALL SEALANT JOINTS SHALL MAINTAIN CONTACT WITH THE ADJOINING PARTS

WITHIN ALLOWABLE DIMENSIONED CHANGES IN THE…