B.08.03 Amendment2 Continuation Page.pdf

AMENDMENT NO. 0002 TO ADVERTISED IFB W912DR-20-B-0016

EFFECTIVE DATE: June 12. 2020 PAGE 1 OF 5 PAGES

SOLICITATION:

1. Section 00 21 13 – Instructions to Bidders: REVISE as follows:

a. BID SUBMISSION TIME: REPLACE “11:00AM EST on 19 JUN 2020” with “9:00AM EST on 06 JUL 2020”

b. Bid Opening: REPLACE “Bids will be opened within 30 minutes after the time for bid submissions noted above. This 30 minute delay...” with “Bids will be opened within 60 minutes after the time for bid submissions noted above. This 60 minute delay…”

c. BID OPENING TIME: REPLACE “12:00PM EST on 19 JUN 2020” with “10:00AM EST on 06 JUL 2020”

d. ADDITIONAL SITE VISIT: “Another pre bid site visit will be held at 1300 hrs. on June 22, 2020 at the McMillan Water Treatment Plant (38.923445, -77.012278) located at 2500 First Street NW, Washington, DC 20001. Individuals interested in attending the site visit MUST submit their Name, Company Name, Date of Birth, Driver's License Number and issuing State to Nathan Cole by email (nathan.h.cole@usace.army.mil) no later than 2:00 p.m. on the business day before the site visit in order to be admitted to the site. Upon arriving for the site visit, individuals will be required to show their Driver's License. Individuals who do not have a driver's license will need to submit the information from a government issued ID (State or Federal) and be prepared to show that ID upon arrival.

In response to COVID-19 Pandemic and the requirements for social distancing, the Washington Aqueduct facilities are closed to everyone except employees, unless authorized in advance. For those authorized entry onto Washington Aqueduct property for this site visit, the following health and safety precautions will be adopted:

• No more than two employees from an individual company will be permitted to attend this site visit.

• All participants shall maintain a 6 foot minimum distance from Government personnel at all times.

• All persons entering Government property are to provide and wear cloth face coverings meeting the CDC guidelines at all times.

• All persons entering Government property must consent to temperature screening. A temperature reading of <100.4 degrees Fahrenheit is the criterion for participation in this site visit

• Hand sanitizer and/or wipes will be made available for participants.

EFFECTIVE DATE: June 12. 2020 PAGE 2 OF 5 PAGES

SPECIFICATIONS:

2. Section 02 41 00, Section 1.5 AVAILABILITY OF WORKS AREAS: REVISE as follows:

a. REPLACE DATE column information for Final Mixing Chamber Modifications with the following: "As required to comply with the construction sequencing requirements of specification Section 01 05 00."

b. ADD a horizontal line to the table to separate the entries for Spent Wash Water Channel Modification (Filter Building) from the entries for West Settled Water (Filter Influent) Channel Modifications.

c. REPLACE DATE column information for Spent Wash Water Channel Modification (Filter Building) with the following: "As required to comply with the construction sequencing requirements of specification Section 01 05 00.”

d. REPLACE DATE column information for West Settled Water (Filter Influent) Channel Modifications with the following: "As required to comply with the construction sequencing requirements of specification Section 01 05 00.”

3. Section 03 11 13.00 10, Paragraph 2.2.1: ADD the following at the end of paragraph 2.2.1:

“Form Liners:

1. Material: Elastomeric, FRP, ABS, or PVC.

2. Manufacturing Tolerance: Overall dimensions within 0.125 inch at time of manufacture.”

4. Section 03 11 13.00 10, Paragraph 3.1.d: ADD the following new text after paragraph 3.1.c:

“3.1.d. Form Liner Forms:

1. Prepare forms as recommended by manufacturer.

2. Provide liners in full sheets and locate seams as shown on approved Shop Drawings.

3. Anchor liners to formwork as recommended by liner manufacturer.

4. Clean form liner after each use and use only form release agents approved by form liner manufacturer."

5. Section 03 11 13.00 10, Paragraph 3.2.3: ADD the following at the end of paragraph 3.2.3:

“Forms Supporting Form Liners:

1. Construct to structurally withstand deflection, movement, leakage, high hydraulic pressures resulting from rapid filling and heavy-high frequency vibration.

2. Lay out form joints and ties in uniform pattern, unless otherwise shown.

Form Liner Installation:

1. Protect form liners from extended exposure to sunlight and from high surface temperatures during installation.

EFFECTIVE DATE: June 12. 2020 PAGE 3 OF 5 PAGES

2. Handle, cut, and install form liners in accordance with form liner manufacturer’s instructions and recommendations.

3. Place form liners with level and square, unless otherwise noted and in accordance with specified patterns and joints.

4. Maintain required concrete cover between form liner and steel reinforcement.”

6. Section 03 30 00.00 10, Paragraph 1.4.4.a: REPLACE text with the following:

"1.4.4.a Construct one panel."

7. Section 05 50 13, Paragraph 2.9: CHANGE the first sentence of Paragraph 2.9 to read “Type 304 stainless steel welded mesh with 2” diamond pattern square openings x 0.188-inch wire with U-shaped edging along four sides.”

8. Section 35 20 16.27, Paragraph 2.3.g.1: REPLACE with the following:

“ 2.3.g.1. The hydraulic tubing will be of the rigid type, with O.D. as recommended by gate manufacturer, manufactured from Type 316 stainless steel. All couplings shall be SWAGELOK quick connect type manufactured from Type 316 stainless steel. The hydraulic tubing anchoring system, the mounting rails and support kits shall be fabricated from Type 316 stainless steel."

9. Section 35 20 16.27, Paragraph 2.3.i.1: ADD the following at the end of the paragraph:

"Alternatively, adhesive anchors may be used if recommended by the gate manufacturer."

10. Section 35 20 16.27, Paragraph 2.3.j.5: REPLACE the paragraph with the following:

"2.3.j.5: Provide gasket between the gate frame and the concrete wall to seal installation. Gasket shall be ½ inch thick, neoprene type, factory-installed on the flushing gate. Gate manufacturer shall be responsible for coordinating with the Contractor on any special concrete finishes or plumbness or straightness tolerances required to ensure a proper seal between the concrete wall and the gates.

Contractor shall include all costs associated with any special finishes or tolerances in their base bid."

11. Section 40 05 13, Supplement 1d, Piping Schedule: REVISE as follows:

ADD the following new row of information: Under column heading Service: ADD "Ammonia";

Under column heading Size (inches): ADD "1"; Under column heading Material: ADD "PVC";

Under column heading Installation: ADD "Buried"; Under column headings Test Pressure (psig) and Type: ADD "100(H)"; and Under column heading Operating Pressure (psig) : ADD "25".

DRAWINGS:

12 Plate No. 1: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

EFFECTIVE DATE: June 12. 2020 PAGE 4 OF 5 PAGES

13. Plate No. 6: Delete this sheet, as originally issued, and substitute therefore the attached like

14. Plate No. 9: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

15. Plate No. 18: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

16. Plate No. 19: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

17. Plate No. 21: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

18. Plate No. 25: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

19. Plate No. 28: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

20. Plate No. 29: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

21. Plate No. 37: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

22. Plate No. 38: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

23. Plate No. 39: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

24. Plate No. 40: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

25. Plate No. 42: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

26. Plate No. 43: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

27. Plate No. 44 Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

28. Plate No. 45: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

29. Plate No. 46: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

30 Plate No. 51: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

31. Plate No. 52: Delete this sheet, as originally issued, and substitute therefore the attached like-

EFFECTIVE DATE: June 12. 2020 PAGE 5 OF 5 PAGES

32. Plate No. 71: Delete this sheet, as originally issued, and substitute therefore the attached like-

33. Plate No. 72: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

34. Plate No. 73: Delete this sheet, as originally issued, and substitute therefore the attached like-numbered sheet with change #2, dated 6/2020

35. Plate No. 75: Delete this sheet, as originally issued, and substitute therefore the attached like-

GENERAL:

36. Pre-Proposal Site Visit: Attached for information only is the sign in sheet for the Pre-Bid Site Visit dated 11 JUN 2020.

ATTACHMENTS:

1. Revised Drawing Plates 1, 6, 9, 18, 19, 21, 25, 28, 29, 37, 38, 39, 40, 42, 43, 44, 45, 46, 71, 72, 73,

2. 11 JUN 2020 Prospective Bidders Sign-in Sheet

FILENAME: PLOT DATE/TIME:

DRAWING NUMBER PLATE

SHEETDATESCALE

REV DATE DESCRIPTION BY

U.S. ARMY ENGINEER DISTRICT,

BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLANDUS Army Corps of Engineers ®

WASHINGTON AQUEDUCT

MCMILLAN BACKWASH DISCHARGE

TO SEWER

BUILDING ID

R:\d0224752\M29-D-3D-101.rvt 6/10/2020 5:32:36 PM

NONE

COVER SHEET , LOCATION AND

VICINITY MAPS

AND INDEX TO DRAWINGS

GENERAL

70.24-2- 1

G-001NOV 2019

MACARTHUR

TO DULLES

AIRPORT

N

VICINITY MAP

WASHINGTON AQUEDUCT

EXIT 9

EXIT 12

V I R G I N I A

FAIR

FAX C

O, V A

ARLIN

GTO

N C O, V

A

MONTG

OMERY C

O, M D

W

ESTE

RN A

VE

SOUTHERN A

VE.

PRIN

CE G

EORGES C

O, M

D

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

R

IVER

ANACOSTIA

RIV

ER

PRINCE GEORGES CO, MD

EASTERN AVE

REAGAN

WASH.

NAT. AIRPORT

PENTAGON

US CAPITOL

WHITE

HOUSE

M A R Y L A N D

M O

NT

G

O M

ER

Y

CO

, M

D

PR

IN

CE

G

EO

RG

ES

C

O , M

D

EXIT 14

D

ULLES AIR

PO

R

T

AC

C

ESS R

O

AD

DALECARLIA

RESERVOIR

M

ACARTHUR

BLVD

LOUGHBORO RD

GOLDSBORO RD

MASS

AVE

BLVD

CABIN

JO

H

N

PKW

Y

CLARA BARTON

PKW

Y

AM

. L

EG

M

EM

. B R

G

EO

WASH

MEM.

PKWY

CANAL

RD

WARD

CIRCLE

NE

BR

AS

KA

A

VE

KE

Y

BR

WHITEHURST

FRWY

MASS

AVE

INDEP AVE

TH

S

T.

NORTH TO

BALTIMORE

EXIT 27

ROOSEVELT

MEM. BR

ARL. MEM.

BRIDGE

ROSSLYN

TH

S T.

BRID

GE

G . W

M.

PENN AVE

ANACOSTIA

TO

R

IC

HMOND,

VA

SOUSABR.

SCALE IN MILES

1/4 1/2 1 2 3

BE

LT

W

AY

CHAIN

BRID

GE

CAP

BELTWAY

CONST AVE

THOMAS

CIRCLE

1S T

ST

7T H

S T.

G

EO

R G

IA

A

VE

R. I.

AVE

COL. RD MICH AVE

HRVD ST

ES

VI

LL

E

EXIT 30EXIT 31

ITAL

GEORGIA

AV

E RD

TH

T.

McMILLAN

RESERVOIR

SCOTT

CIRCLE

U.S. ARMY CORPS OF ENGINEERS

5900 MACARTHUR BLVD., N.W.

WASHINGTON, D.C. 20016-2514

PHONE: 202-764-2753

P

COL

BENNING RD

B.W

WHITNEY

YOUNG MEM. BR.

PK

W

Y

C O

NNECTICUT AVE

C

AP

IT

AL

KENILW

ORTH

NEW YORK

AVE

AVE

FR

W

Y

P.

TO RICHMOND,

VA

ARIZ.

AVE

S.E. FRWY

McMILLAN WATER

TREATMENT PLANT

2500 FIRST ST., N.W.

WASHINGTON, D.C. 20001

PHONE: 202-762-0167

DALECARLIA WATER

TREATMENT PLANT

5900 MACARTHUR BLVD., N.W.

WASHINGTON, D.C. 20016

PHONE: 202-764-2753

WASHINGTON AQUEDUCT

MCMILLAN WATER TREATMENT PLANT, WASHINGTON, D.C.

MCMILLAN BACKWASH DISCHARGE

TO SEWER

VOLUME 2 - DRAWINGS

ORIGINAL DOCUMENTS

NOVEMBER 2019

INDEX OF DRAWINGS

LOCATION MAP

N

FILTER BLDG

BACKWASH

EQUALIZATION

BASIN

M C M

I L L A N

R E S E R V O I R

CHEMICAL BLDG

ST

T

R E

E T

M I C H I G A N

A V E N U E

NORTH

CLEARWELL

36 ELECTRICAL - FILTER AND CHEMICAL BUILDING MCC ONE-LINES AND ELEVATIONS M26 E-601

35 ELECTRICAL - FILTER AND CHEMICAL BUILDING PLAN M26 E-105

34 ELECTRICAL - FILTER AND CHEMICAL BUILDING AND DIVERSION BOX PLAN M26 E-104

33 ELECTRICAL - FILTER AND CHEMICAL BUILDING AND DIVERSION BOX PLAN M26 E-103

32 ELECTRICAL - FILTER AND CHEMICAL BUILDING GROUND FLOOR PARTIAL PLAN M26 E-102

31 ELECTRICAL - FILTER AND CHEMICAL BUILDING BASEMENT PARTIAL PLAN M26 E-101

30 BUILDING SERVICES - FILTER AND CHEMICAL BUILDING DIVERSION BOX PLANS AND... M26 M-101 29 PROCESS - FILTER AND CHEMICAL BUILDING DIVERSION BOX PLANS AND SECTIONS M26 D-104 28 PROCESS - FILTER AND CHEMICAL BUILDING FINAL MIXING CHAMBER PLANS AND... M26 D-103

27 PROCESS - FILTER AND CHEMICAL BUILDING FILTER GALLERY PLAN M26 D-102

26 PROCESS - FILTER AND CHEMICAL BUILDING BASEMENT PARTIAL PLAN M26 D-101

25 STRUCTURAL - FILTER AND CHEMICAL BUILDING DIVERSION BOX PLANS AND SECTIONS M26 S-101

M26-CHEMICAL BUILDING AND FILTER BUILDING

24 SITE - ELECTRICAL SITE SECTIONS ES103

23 SITE - ELECTRICAL DUCT BANK SECTIONS ES102

22 SITE - ELECTRICAL PLAN ES101

21 SITE - YARD PIPING PLAN DS101

YARD PIPING - SITE ELECTRICAL

20 CIVIL - PARTIAL SITE PLAN - SOUTH C-102

19 CIVIL - PARTIAL SITE PLAN - NORTH C-101

18 CIVIL - SITE PLAN DEMOLITION CD101

17 GEOTECHNICAL - SOIL BORING LOGS - BEB-02 B-102

16 GEOTECHNICAL - SOIL BORING LOGS - BEB-01 B-101

15 GEOTECHNICAL - SOIL BORING LOCATION PLAN B-100

SITE

14 GENERAL - INSTRUMENTATION AND CONTROLS LEGEND G-014

13 GENERAL - ELECTRICAL LEGEND G-013

12 GENERAL - ELECTRICAL LEGEND AND ABBREVIATIONS G-012

11 GENERAL - BUILDING SERVICES LEGENDS G-011

10 GENERAL - PROCESS LEGEND G-010

9 GENERAL - BEAM AND COLUMN SCHEDULE G-009

8 GENERAL - STRUCTURAL SPECIAL INSPECTIONS SHEET 2 OF 2 G-008

7 GENERAL - STRUCTURAL SPECIAL INSPECTIONS SHEET 1 OF 2 G-007

6 GENERAL - STRUCTURAL NOTES G-006

5 GENERAL - ARCHITECTURAL SCHEDULES G-005

4 GENERAL - ARCHITECTURAL AND STRUCTURAL LEGENDS, NOTES AND LIFE SAFETY PLANS G-004

3 GENERAL - CIVIL AND YARD PIPING LEGENDS G-003

2 GENERAL - ABBREVIATIONS AND GENERAL NOTES G-002

1 GENERAL - COVER SHEET AND INDEX TO DRAWINGS G-001

GENERAL

PLATE

NO. TITLE BUILDING

ID

SHEET

NO.

83 STANDARD DETAILS - INSTRUMENTATION AND CONTROL DI501

82 STANDARD DETAILS- ELECTRICAL DE501

81 STANDARD DETAILS - BUILDING SERVICES DM502

80 STANDARD DETAILS - BUILDING SERVICES DM501

79 STANDARD DETAILS - PROCESS DD502

78 STANDARD DETAILS - PROCESS DD501

77 STANDARD DETAILS - ARCHITECTURAL DA502

76 STANDARD DETAILS - ARCHITECTURAL DA501

75 STANDARD DETAILS - STRUCTURAL DS505

74 STANDARD DETAILS - STRUCTURAL DS504

73 STANDARD DETAILS - STRUCTURAL DS503

72 STANDARD DETAILS - STRUCTURAL DS502

71 STANDARD DETAILS - STRUCTURAL DS501

70 STANDARD DETAILS - CIVIL DC501

STANDARD DETAILS

69 P&ID - BACKWASH EQUALIZATION BASIN AND PUMPS M29-M30 I-601

PROCESS AND INSTRUMENTATION DIAGRAMS (P&IDs)

68 ELECTRICAL - CONTROL DIAGRAMS M29-M30 E-604

67 ELECTRICAL - PANEL SCHEDULES AND LUMINAIRE SCHEDULE M29-M30 E-603

66 ELECTRICAL - CABLE BLOCK DIAGRAMS M29-M30 E-602

65 ELECTRICAL - CABLE BLOCK DIAGRAMS M29-M30 E-601

64 ELECTRICAL - LIGHTING PLANS AT ELEVATION 171 AND ROOF M29-M30 EL102

63 ELECTRICAL - FLOW METER CONTROL VALVE ROOM LIGHTING PLAN AND SECTION M29-M30 EL101

62 ELECTRICAL - POWER PLAN AT ELEVATION 171 AND SECTIONS M29-M30 EP102

61 ELECTRICAL - FLOW METER CONTROL VALVE ROOM POWER PLANS M29-M30 EP101

60 ELECTRICAL - OVERALL PLAN M29-M30 E-101

59 BUILDING SERVICES - SEQUENCE OF OPERATIONS AND SCHEDULES M29-M30 M-103

58 BUILDING SERVICES - ROOF PLAN AND SECTIONS M29-M30 M-102

57 BUILDING SERVICES - PLANS AND SECTION M29-M30 M-101

56 PROCESS - SECTIONS M29-M30 D-201

55 PROCESS - FLOW METER CONTROL VALVE ROOM PLANS M29-M30 D-102

54 PROCESS - FLUSH STORAGE CHAMBER AND INLET DISTRIBUTION CHANNEL PLANS &... M29-M30 D-101

53 PROCESS - OVERALL PLAN AND SECTION M29-M30 D-100

52 ARCHITECTURAL - ELEVATIONS M29-M30 A-302

51 ARCHITECTURAL - ELEVATIONS M29-M30 A-301

50 ARCHITECTURAL - SECTIONS M29-M30 A-202

49 ARCHITECTURAL - SECTIONS M29-M30 A-201

48 ARCHITECTURAL - PLAN AT ELEVATION 171 AND ROOF PLAN M29-M30 A-102

47 ARCHITECTURAL - PLANS AT ELEVATION 143 AND 164 M29-M30 A-101

46 STRUCTURAL - DETAIL AND SECTION M29-M30 S-501

45 STRUCTURAL - SECTIONS M29-M30 S-204

44 STRUCTURAL - SECTIONS M29-M30 S-203

43 STRUCTURAL - SECTIONS M29-M30 S-202

42 STRUCTURAL - SECTIONS M29-M30 S-201

41 STRUCTURAL - SECTIONS M29-M30 S-200

40 STRUCTURAL - ROOF AND BACKWASH WASTE CONNECTION CONDUIT PLAN M29-M30 S-103

39 STRUCTURAL - UPPER LEVEL PLANS M29-M30 S-102

38 STRUCTURAL - LOWER LEVEL PLANS M29-M30 S-101

37 STRUCTURAL - OVERALL PLAN M29-M30 S-100

BACKWASH EQUALIZATION BASIN AND PUMP STATION

PLATE

NO. TITLE BUILDING

ID

SHEET

NO.

REFERENCE DRAWINGS

1 EXISTING SLOW SAND FILTERS

NO. INFORMATION SHOWN

2 EXISTING SLOW SAND FILTERS

3 EXISTING RAMP AND OUTDOOR STAIR

4 EXISTING CORNER STONES NEAR FINAL MIXING CHAMBER

5 EXISTING MANHOLE 100

6 EXISTING AMMONIA PIPES

APPROVED:

SEAL

A/E PRINCIPAL

7 EXISTING SLOW SAND FILTERS

8 EXISTING RETAINING WALL NEAR FINAL MIXING CHAMBER

1 06/2020 AMENDMENT 0001 GP

2 06/2020 AMENDMENT 0002 GP

FILENAME: PLOT DATE/TIME:

DRAWING NUMBER PLATE

SHEETDATESCALE

REV DATE DESCRIPTION BY

U.S. ARMY ENGINEER DISTRICT,

BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLANDUS Army Corps of Engineers ®

WASHINGTON AQUEDUCT

MCMILLAN BACKWASH DISCHARGE

TO SEWER

BUILDING ID

R:\d0224752\M29-S-3D-101.rvt 6/10/2020 4:55:02 PM

NONE

STRUCTURAL

NOTES

GENERAL

70.24-2- 6

G-006NOV 2019

W=6.0FT

SNOW

DRIFT

6.

7.

SNOW

46 PSF

4.

5.

22 PSF

GENERAL INFORMATION

FOUNDATIONS

FORMWORK, SHORING AND BRACING

SPECIAL INSPECTION, OBSERVATIONS AND TESTING

DESIGN CRITERIA

CONCRETE

CONCRETE REINFORCING

1.

2.

3.

4.

5.

6.

7.

L/240 L/360

2.

1.

1.

2.

3.

= 25 PSF

= C = 1.0 = 1.0 = 1.1

APPLICABLE CODE: 2015 INTERNATIONAL BUILDING CODE (IBC), AS MODIFIED BY UNIFIED FACILITIES CRITERIA (UFC) 1-200-01, DOD BUILDING CODE (GENERAL BUILDING REQUIREMENTS) AND UFC- 3-301-01, STRUCTURAL ENGINEERING..

ROOF LOADS:

GROUND SNOW LOAD, Pg

TERRAIN CATEGORY

Ce Ct I FLAT ROOF SNOW LOAD, Pf

STRUCTURE HAS NOT BEEN DESIGNED FOR REDUCED ROOF LIVE LOADS IN ACCORDANCE

WITH THE IBC.

TOTAL LOAD

LIVE LOAD

WHERE L IS THE MEMBER'S SPAN LENGTH

300 PSF

300 PSF

100 PSF

FLOOR LIVE LOADS:

PROCESS FLOOR

ELECTRICAL ROOM

CORRIDORS, EXITS, STAIRS

WALKWAYS AND ELEVATED PLATFORMS

COLUMNS, FOOTINGS, AND FLOOR FRAMING MEMBERS HAVE NOT BEEN DESIGNED FOR REDUCED

LIVE LOADS IN ACCORDANCE WITH THE BUILDING CODE.

DEFLECTION CRITERIA FOR FLOOR FRAMING MEMBERS:

INDUSTRIAL/PROCESS FLOOR (ELECTRICAL/ MECHANICAL ROOMS, STORAGE, PLATFORM, ETC):

TOTAL LOAD

LIVE LOAD

WHERE L IS THE MEMBER'S SPAN LENGTH

= C

= +/- 0.18

= III

= 1.0

WIND LOAD:

EXPOSURE

RISK CATEGORY

= III

= B = 1.25

MAPPED SPECTRAL RESPONSE ACCELERATIONS

SS

DESIGN SPECTRAL RESPONSE ACCELERATIONS

SDS

SD1

SEISMIC DESIGN CATEGORY

STRUCTURES HAVE BEEN ANALYZED USING THE EQUIVALENT LATERAL FORCE PROCEDURES OF

ASCE 7-10.

LATERAL FORCE-RESISTING SYSTEM

1.

2.

3.

7.

EXCAVATIONS SHALL BE SHORED TO PREVENT SUBSIDENCE OR DAMAGE TO ADJACENT EXISTING

STRUCTURES, STREETS, UTILITIES, ETC.

ALL FOUNDATION SLABS, SLABS-ON-GRADE AND WALL AND COLUMN FOUNDATIONS, UNLESS NOTED

ALL FOUNDATION BEARING SURFACES SHALL BE OBSERVED BY A GEOTECHNICAL ENGINEER OR HIS DESIGNEE PRIOR TO PLACEMENT OF FORMING OR REINFORCING STEEL THE OBSERVATION SHALL VERIFY THAT THE ACTUAL EXPOSED SUBGRADE IS AS ANTICIPATED BY THE SITE SPECIFIC BORINGS, TEST PITS, TESTING AND DATA REPORTS.

NO BACKFILL SHALL BE PLACED BEHIND WALLS UNTIL THE WALLS HAVE ATTAINED 100 PERCENT OF IT'S

NO BACKFILL SHALL BE PLACED BEHIND CANTILEVERED, FREE TOP WALLS UNTIL THE CONCRETE HAS

ATTAINED100 PERCENT OF ITS SPECIFIED COMPRESSIVE STRENGTH.

STRUCTURES SHOWN ON THE DRAWINGS HAVE BEEN DESIGNED FOR STABILITY UNDER FINAL CONDITIONS ONLY EXCEPT AS NOTED. DESIGN SHOWN DOES NOT INCLUDE NECESSARY COMPONENTS OR EQUIPMENT

TEMPORARY SHORING SHALL REMAIN IN PLACE UNTIL ELEVATED CONCRETE FLOOR OR SLABS HAVE REACHED 80 PERCENT OF THE 28 DAY DESIGN STRENGTH AS DETERMINED BY CYLINDER BREAKS.

GENERAL SNOW DRIFT DIAGRAMS FOR AREAS WITH INCREASED

DRIFT LOADS. MAXIMUM DRIFT LOADS OCCURS ON ROOF ALONG

ALL PARAPETS AND WALLS.

100 PSF

SPECIAL INSPECTION IS REQUIRED IN ACCORDANCE WITH IBC SECTIONS 109 AND 1704 AS INDICATED IN THE

STATEMENT OF SPECIAL INSPECTIONS PLAN ON DRAWINGS 01-G-006 TO 01-G-008.

SPECIFIED CONCRETE TESTING DURING CONSTRUCTION WILL BE CONTRACTOR FURNISHED AND OWNER APPROVED.

SPECIFIED LABORATORY TEST MIXES SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR.

STRUCTURAL OBSERVATIONS IS NOT REQUIRED FOR THIS PROJECT.

SPECIFIED COMPRESSIVE STRENGTH AND TOP SUPPORTING SLAB’S CONCRETE HAVE ATTAINED 80 PERCENT

OF THEIR SPECIFIED COMPRESSIVE STRENGTH UNLESS OTHERWISE NOTED.

1.

2.

3.

L/240 L/360

SNOW LOAD L/360

WIND IMPORTANCE FACTOR

= 0.12 g

= 0.128 g

8.

ASCE 7 METHOD

= ENCLOSED

SEISMIC LOAD:

USE UTMOST CARE TO AVOID DAMAGE TO EXISTING STRUCTURES WHEN PERFORMING EXCAVATING

ACTIVITIES.

= 22.0 PSF MIN

ROOF LIVE LOAD

EQUIVALENT 2.0 FEET OF SOIL

30 INCHES

A.

B.

C.

VERTICAL SURCHARGE:

DESIGN GROUND WATER ELEVATION:

FROST DEPTH:D.

= 90 MPH

ENCLOSURE CATEGORY

INTERNAL PRESSURE COEFFICIENT

= 0.051 g

= 0.08 g

SOIL DESIGN PARAMETERS:

145 FT

FOR ABBREVIATIONS NOT LISTED, SEE ASME Y14.38 “ABBREVIATIONS AND ACRONYMS: PUBLICATION

AS DISTRIBUTED BY THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME).

DESIGN DETAILS ARE INTENDED TO BE TYPICAL AND SHALL APPLY TO SIMILAR SITUATIONS OCCURRING

THROUGHOUT THE PROJECT, WHETHER OR NOT THEY ARE INDIVIDUALLY CALLED OUT.

DETAILING AND DIMENSIONS OF EXISTING STRUCTURES SHOWN ARE BASED ON AS-BUILT DESIGN DRAWINGS, AND DO NOT NECESSARILY REPRESENT THE AS-CONSTRUCTED CONDITIONS. THE CONTRACTOR SHALL FIELD VERIFY DIMENSIONS AND DETAILING OF THE EXISTING STRUCTURES PRIOR TO FABRICATION OF ADJACENT FRAMING OR CONNECTIONS OR SUPPORTS THAT ARE AFFECTED BY THE EXISTING STRUCTURE.

VERIFY FINAL OPENING DIMENSIONS IN WALLS, SLABS, AND DECKS WITH OTHER DISCIPLINE DRAWINGS

PRIOR TO CONSTRUCTION OF THESE ELEMENTS.

FOR NUMBER, TYPE, SIZE, ARRANGEMENT, AND/OR LOCATION OF EQUIPMENT PADS SEE OTHER DISCIPLINE DRAWINGS. COORDINATE WITH EQUIPMENT SUPPLIER PRIOR TO PLACING SLABS, WALLS AND FOUNDATIONS.

COORDINATE PIPING OPENINGS WITH OTHER DISCIPLINE DRAWINGS.

STRUCTURAL MEMBERS SHALL NOT BE CUT OR MODIFIED FOR PIPES, DUCTS, ETC, UNLESS SPECIFICALLY

DETAILED OR APPROVED IN WRITING BY THE ENGINEER.

VISITS TO THE JOB SITE BY THE ENGINEER TO OBSERVE THE CONSTRUCTION DO NOT IN ANY WAY MEAN THAT ENGINEER IS GUARANTOR OF CONSTRUCTOR’S WORK, NOR RESPONSIBLE FOR THE COMPREHENSIVE

OR SPECIAL INSPECTIONS, COORDINATION, SUPERVISION, OR SAFETY AT THE JOB SITE.

FOR STABILITY OF THE STRUCTURES DURING CONSTRUCTION. CONTRACTOR IS RESPONSIBLE FOR ALL

SCAFFOLDING, FORMWORK, AND OTHER WORK AIDS REQUIRED TO SAFELY PERFORM THE WORK SHOWN.

WORK RELATING TO CONSTRUCTION ERECTION METHODS, BRACING, SHORING, RIGGING, GUYS,

6.

7.

BAR SIZE

LAP SPLICE LENGTH

TOP BAR

OTHER BAR

1'-4" 1'-4"

2'-0" 1'-7"

3'-0" 2'-4"

4'-0" 3'-1"

5'-10" 4'-6"

6'-8" 5'-2"

7'-7" 5'-10"

8'-6" 6'-7"

9'-5" 7'-3"

#3 #4 #5 #6 #7 #8 #9

TOP BAR

OTHER BAR

1'-4" 1'-4"

2'-5" 1'-10"

3'-6" 2'-9"

4'-0" 3'-1"

5'-0" 3'-10"

6'-2" 4'-9"

7'-5" 5'-8"

1'-6" 1'-4" 1'-7"

2'-0"

TOP BAR

OTHER BAR

1'-0" 1'-0"

1'-7" 1'-3"

2'-4" 1'-9"

TOP BAR

OTHER BAR

1'-0" 1'-0"

2'-5" 1'-10"

3'-6" 2'-9"

4'-0" 3'-1"

4'-6" 3'-10"

5'-1" 4'-9"

5'-7" 5'-8"1'-3"

1'-0" 1'-3" 1'-7"

EMBEDMENT LENGTH

3'-1" 4'-6" 5'-2" 5'-10" 6'-7" 7'-3"

1'-5" 2'-1" 2'-5" 3'-0" 3'-8" 4'-5"

CONCRETE DESIGN STRENGTH = 4,000 PSI GRADE 60 REINFORCING STEEL

SPACING<6"

SPACING>6"

SPACING<6"

SPACING>6"

#10 #11

REINFORCEMENT BENDS AND LAPS, UNLESS OTHERWISE NOTED, SHALL SATISFY THE FOLLOWING

MINIMUM REQUIREMENTS:

TOP BARS SHALL BE DEFINED AS ANY HORIZONTAL BARS PLACED SUCH THAT MORE THAN 12

INCHES OF CONCRETE IS CAST IN THE MEMBER BELOW THE BAR IN ANY SINGLE POUR.

HORIZONTAL WALL BARS ARE CONSIDERED TOP BARS.

WHERE 3000 PSI CONCRETE IS USED, INCREASE ABOVE LENGTHS BY 16 PERCENT

CD

R

BUILDING AT SOUTH OF BACKWASH BASIN

ROUGHEN AND CLEAN CONSTRUCTION JOINTS IN WALLS AND SLABS AS SPECIFIED PRIOR TO PLACING

ADJACENT CONCRETE.

THE CONTRACTOR SHALL COORDINATE PLACEMENT OF OPENINGS, CURBS, DOWELS, SLEEVES, CONDUITS, BOLTS AND INSERTS PRIOR TO PLACEMENT OF CONCRETE.

NO ALUMINUM CONDUIT OR PRODUCTS CONTAINING ALUMINUM OR ANY OTHER MATERIAL INJURIOUS

TO THE CONCRETE SHALL BE EMBEDDED IN THE CONCRETE.

CONDUIT SHALL NOT BE PLACED PARALLEL WITH BEAM OR COLUMN REINFORCEMENT UNLESS

SPECIFICALLY INDICATED IN DRAWINGS.

EQUIVALENT FLUID PRESSURES ABOVE AND BELOW GROUND WATER TABLE:

CLEARANCE FOR REINFORCEMENT BARS, UNLESS SHOWN OTHERWISE, SHALL BE:

WHEN PLACED ON GROUND: 3”

INTERIOR, DRY, HUMIDITY CONTROLLED AREAS:

WALLS, SLABS AND JOISTS 3/4"

BEAM STIRRUPS AND COLUMN TIES 1.5”

ALL OTHER CONCRETE SURFACES 2”

REFER TO WALL CORNER AND WALL INTERSECTION REINFORCING DETAIL 0330-003. WALL CORNER REINFORCING SIZES AND SPACINGS SHALL BE AS SHOWN ON THE DRAWINGS AND REFERENCED TO THIS DETAIL. TYPICAL HORIZONTAL WALL REINFORCING SHALL LAP WITH THE CORNER HORIZONTAL

REINFORCING.

90 DEGREE BENDS, UNLESS OTHERWISE SHOWN, SHALL BE ACI 318 STANDARD HOOKS.

WALL CORNER AND WALL INTERSECTION REINFORCEMENT BARS SHALL BE CONTINUOUS AROUND CORNERS AND THROUGH COLUMNS OR PILASTERS. REINFORCEMENT SHALL BE EXTENDED INTO CONNECTING WALLS AND LAPPED ON THE OPPOSITE FACE OF THE CONNECTING WALLS, AS INDICATED IN DETAIL 0330-003.

LAP VERTICAL WALL BARS WITH DOWELS FROM BASE SLABS AND EXTEND INTO TOP FACE OF ROOF SLABS AND LAP WITH TOP SLAB REINFORCEMENT. PROVIDE A MINIMUM OF FOUR FULL HEIGHT VERTICAL BARS WITH MATCHING DOWELS AT WALL ENDS, CORNERS AND INTERSECTIONS WITH SIZE TO MATCH

TYPICAL VERTICAL REINFORCING STEEL SHOWN OR REQUIRED BY NOTES ABOVE.

LOCATE ELEVATED SLAB AND BEAM TOP BAR SPLICES AT MIDSPAN AND BOTTOM BAR SPLICES AT SUPPORTS.

5.

6.

7.

9.

10.

12.

13.

14.

FOR EXTRA REINFORCING AROUND OPENINGS, SEE DETAIL 0330-002.

FOR WALL BASE CONSTRUCTION JOINT, SEE DETAIL 0315-153, 0330-004 AND 0330-005.

FOR WALL VERTICAL CONSTRUCTION JOINT LOCATION, SEE DETAIL 0315-131.

DIRECTIONAL DESIGN METHODS

SITE CLASS

ORDINARY REINFORCED CONCRETE SHEAR WALLS

CD

R

GROUND SUPPORTED REINFORCED CONCRETE TANKS WITH NON-SLIDING BASE

= 4 = 4

= 2

DEFLECTION CRITERIA FOR ROOF FRAMING MEMBERS:

DEFLECTION LIMITS OF CONCRETE ELEMENT IN ACCORDANCE WITH ACI 318 AND ACI 350.

DEFLECTION LIMITS OF CONCRETE ELEMENT IN ACCORDANCE WITH ACI 318 AND ACI 350.

COMPONENT AND CLADDING WALL ELEMENTS (WINDOWS, DOORS, LOUVERS, SIDING, ETC FOR

STRUCTURES UNDER 60 FEET IN HEIGHT)

6" 8"

10" 12"

#4@12"

#4@12" #5@12"

#5@12"

CENTERED

CENTERED

EACH FACE

EACH FACE

LOCATIONREINF EACH WAY

MINIMUM REINFORCING FOR ALL CONCRETE WALLS AND SLABS SHALL BE AS FOLLOWS:

PROVIDE LARGER SIZES AND MORE REINFORCING IN SECTIONS OF CONCRETE WHERE REQUIRED BY

THE DETAILS ON THE DRAWINGS OR BY THE SPECIFICATIONS.

THICKNESS

1.

2.

3.

4.

THE LOADS LISTED ON THIS DRAWING ARE GENERAL AND APPLY AS APPLICABLE TO ALL STRUCTURES.

TRIBUTARY

AREA

NEGATIVE POSITIVE

ZONE 2 ZONE 3

10 FT2

20 FT2

50 FT2

100 FT2

PRESSURE AT WALL ELEMENT PER ASCE7 FIGURE 6-11A (PSF)

30.1

25.5

-30.1 -28.3

-25.5

PRESSURE AT ROOF ELEMENT PER ASCE7 FIGURE 6-11B (PSF)

-57.8-34.5 -33.6 -32.4 -31.5

ZONE 1

-57.8 -51.7 -43.5 -37.4

-43.5 -51.7

-37.4 12.0 13.1

11.1

31.5-31.5

26.9-26.9

23.7-23.7

28.3

14.0 31.5

26.9 28.3 30.1

ZONE 1

70 PSF

BACKWASH BASIN

1.

2.

3.

4.

5.

5000 PSI

28-DAY CAST-IN-PLACE CONCRETE STRENGTHS:

TYPICAL UNO: CLASS 5000F3S1P2C2

CONTINUOUS WATERSTOP AS SPECIFIED SHALL BE INSTALLED IN ALL CONSTRUCTION JOINTS IN WATER HOLDING BASINS, CHANNELS, AND BELOW GRADE STRUCTURES, EXCEPT WHERE SPECIFICALLY NOTED

OTHERWISE.

CONSTRUCTION JOINTS INDICATED ARE SUGGESTED LOCATIONS. CONTRACTOR MAY

REVISE LOCATIONOF JOINTS, SUBJECT TO SPECIFIED REQUIREMENTS. ADDITIONAL CONSTRUCTION JOINT LOCATIONS, INCLUDING ADDITIONAL REQUIRED FOR CONSTRUCTION, SHALL BE SUBMITTED FOR REVIEW BY ENGINEER.

OTHERWISE, SHALL BEAR ON 6 INCHES OF COMPACTED GRANULAR FILL.

REINFORCING STEEL:

TYPICAL ASTM A615, GRADE 60

WELDED ASTM A706, GRADE 60 (WELDING IS ONLY PERMITTED

WITH WRITTEN PERMISSION OF ENGINEER)

FABRICATION AND PLACEMENT OF REINFORCING STEEL SHALL BE IN ACCORDANCE WITH CRSI MSP-1 "MANUAL OF STANDARD PRACTICE" AND ACI 301 "SPECIFICATIONS FOR STRUCTURAL CONCRETE".

FOR REINFORCED CONCRETE FRAME MEMBERS AND DESIGNATED BOUNDARY ELEMENTS OF CONCRETE

SHEAR WALL STRUCTURES, REINFORCING STEEL SHALL MEET THE FOLLOWING REQUIREMENTS:

A. ACTUAL YIELD STRENGTH BASED ON MILL TESTS SHALL NOT EXCEED SPECIFIED

YIELD STRENGTH BY MORE THAN 18,000 PSI. (RETESTS SHALL NOT EXCEED THIS

VALUE BY MORE THAN AN ADDITIONAL 3000 PSI.)

B. RATIO OF HTE ACTUAL ULTIMATE TENSILE STRESS TO ACTUAL TENSILE YIELD

STRENGTH SHALL NOT BE LESS THAN 1.25.

4.

5.

6.

MONORAIL HOIST LOADS:

VERTICAL IMPACT FACTOR:

LATERAL FORCE

LONGITUDINAL FORCE:

= 1.25

= 20% OF RATED CAPACITY PLUS

WEIGHT OF HOIST AND TROLLEY

= 10% OF MAXIMUM WHEEL LOAD

= 120 MPH

NOMINAL DESIGN WIND SPEED:

ULITMATE DESIGN WIND SPEED:

= 2

SEISMIC IMPORTANT FACTOR I

IBC 2015

NUMBERS

REFER TO GEOTECHNICAL DESIGN REPORT BY JACOBS ENGINEERING, DATED JULY 26 2019

THE GEOTECHNICAL DESIGN REPORT IS PROVIDED FOR INFORMATION ONLY.

65 PSF/FT ABOVE GROUND WATER 95 PSF/FT BELOW GROUND WATER

ZONE 2 & 3

TRIBUTARY

AREA

NEGATIVE POSITIVE

ZONE 5ZONE 4 ZONE 4 & 5

10 FT2

20 FT2

50 FT2

100 FT2

200 FT2

500 FT2

8.

WELDING

STRUCTURAL STEEL AND METAL FABRICATIONS

DEFERRED SUBMITTALS

1.

2.

3.

4.

WELDS SHALL CONFORM TO AMERICAN WELDING SOCIETY (AWS), LATEST EDITION:

D1.1, STRUCTURAL WELDING CODE – STEEL

D1.2, STRUCTURAL WELDING CODE – ALUMINUM

D1.3, STRUCTURAL WELDING CODE – SHEET STEEL

D1.4, STRUCTURAL WELDING CODE – REINFORCING STEEL

D1.6, STRUCTURAL WELDING CODE – STAINLESS STEEL

REPAIR WELDS FOUND DEFECTIVE IN ACCORDANCE WITH AWS D1.1 SECTION 5.26.

USE INTERMITTENT WELDS AT FIELD WELDS OF EMBED PLATES AND ANGLES TO AVOID

SPALLING OR

CRACKING OF THE EXISTING CONCRETE.

BUTT JOINT WELDS SHALL BE COMPLETE JOINT PENETRATION (CJP) UNLESS INDICATED

OTHERWISE.

A992

A36

A500, GRADE B

A53, GRADE B

A276

A325-N

A325-SC

F593, AISI TYPE 316, CONDITION CW

F1554, GR 36

F1554, GR 36 / A153

A307

F593, AISI TYPE 316, CONDITION CW

A307/A153

F468, ALLOY 2024-T4

ANY EQUIPMENT OR COMPONENT IN WHICH A TECHNICAL

SPECIFICATION REQUIRES SUBMITTAL OF EQUIPMENT

OR ANCHORAGE SYSTEM CALCULATIONS

ITEMSPECIFICATION

SECTION

ASTM B 308, ALLOY 6061-T6

1.

2.

3.

4.

6.

7.

STRUCTURAL STEEL SHALL CONFORM TO THE FOLLOWING:

W-SHAPES

MISCELLANEOUS SHAPES INCLUDING

ANGLES, CHANNELS, PLATES, ETC.

SQUARE OR RECTANGULAR STEEL TUBING

STEEL PIPE

STAINLESS STEEL SHAPES

ALUMINUM SHALL CONFORM TO THE FOLLOWING ASTM STANDARDS:

STRUCTURAL SHAPES AND PLATES

STRUCTURAL STEEL SHALL BE FABRICATED AND ERECTED IN CONFORMANCE WITH THE AISC

MANUAL OF STEEL CONSTRUCTION, CURRENT EDITION, AND CURRENT OSHA STANDARDS

BOLTS SHALL BE HIGH STRENGTH BOLTS CONFORMING TO THE FOLLOWING EXCEPT WHERE

SPECIFICALLY INDICATED OTHERWISE:

UNLESS SHOWN OTHERWISE

SLIP CRITICAL

ANCHOR BOLTS (AB)

STAINLESS STEEL

STEEL

GALVANIZED STEEL

MACHINE BOLTS (MB)

STEEL

STEEL STAINLESS STEEL

GALVANIZED STEEL

ALUMINUM

ITEMS TO BE EMBEDDED IN CONCRETE SHALL BE CLEAN AND FREE OF OIL, DIRT AND PAINT.

NO HOLES OTHER THAN THOSE SPECIFICALLY DETAILED SHALL BE ALLOWED THROUGH

STRUCTURAL STEEL MEMBERS. NO CUTTING OR BURNING OF STRUCTURAL STEEL IS PERMITTED

WITHOUT THE APPROVAL OF THE ENGINEER

05 52 00 METAL RAILINGS

DEFERRED SUBMITTALS ARE THOSE PORTIONS OF THE DESIGN WHICH ARE NOT SUBMITTED AT THE TIME OF PERMIT APPLICATION AND WHICH ARE TO BE SUBMITTED TO THE PERMITTING AGENCY FOR

ACCEPTANCE PRIOR TO INSTALLATION OF THAT PORTION OF THE WORK.

THE FOLLOWING IS A LIST OF DEFERRED SUBMITTALS THAT ARE EXPECTED TO CONTAIN STRUCTURAL

CALCULATIONS OR SAFETY RELATED SYSTEM INFORMATION. PRIOR TO INSTALLATION OF THE

INDICATED STRUCTURAL ELEMENT, EQUIPMENT, DISTRIBUTION SYSTEM, OR COMPONENT OR ITS ANCHORAGE, THE CONTRACTOR SHALL SUBMIT THE REQUIRED CALCULATIONS AND SUPPORTING DATA

AND DRAWINGS FOR REVIEW AND ACCEPTANCE BY THE ENGINEER.

1.

2.

-30.1 -28.3

-25.5

-31.5

-26.9

-23.7

RISK CATEGORY

= D

4000 PSIELECTRIC DUCTBANK: CLASS 40000F1S1P0C1

4000 PSIFIBER REINFORCED CONCRETE FILL: CLASS CF00F1S1P0C1

CONSERVATIVELY USED R=2 AND CD =2 FOR DESIGN OF BOTH BUILDING AND BASIN.

BASE SHEAR = 2

SUBGRADE MODULUS:E.

TOP OF GRADE IS ASSUMED TO BE AT EL 169 FT TO THE NORTH AND SLOPES DOWN TO 164 FT

TO THE SOUTH IN THE CALCULATION OF SOIL LATERAL PRESSURE AT EXTERIOR WALLS.

F.

75 KCF

9. HYDROSTATIC LOAD: ASSUMED MAXIMUM WATER LEVEL AT EL 167 FT IN THE STRUCTURAL DESIGN.

8. FOR DETAILS REGARDING THE REQUIREMENTS FOR SOIL EXCAVATION, BACKFILL, FOUNDATION SUB-BASE MATERIALS AND FOUNDATION SUBGRADE PREPARATION REFER TO SPECIFICATION SECTION 31 23 16

EXCAVATION AND FILL.

S1

5. POST INSTALLED ANCHORS

1. POST-INSTALLED ANCHORS SHALL BE 316 STAINLESS STEEL ADHESIVE ANCHORS AT WET OR EXTERIOR

APPLICATION AND AT ALUMINUM MEMBERS. USE HOT-DIP GALVANIZED OR ZINC PLATED STEEL EXPANSION

ANCHORS AT INTERIOR DRY APPLICATIONS.

2. POST-INSTALLED ANCHOR SYSTEM USED IN CONCRETE SHALL BE APPROVED BY ICC EVALUATION

SERVICES REPORT OR EQUIVALENT FOR USE IN CRACKED CONCRETE AND FOR SHORT-TERM AND

LONG-TERM LOADS INCLUDING WIND AND EARTHQUAKE.

1 06/2020 AMENDMENT 0002 GP

GENERAL NOTES

LOCATE ALL EXISTING REINFORCEMENT VIA GROUND

PENETRATING RADAR AND SUBMIT RESULTS WITH PROPOSED

OPENING LOCATIONS TO ENGINEER OF RECORD FOR REVIEW

AND APPROVAL PRIOR TO CUTTING OR CORING EXISTING

CONCRETE STRUCTURES. FOR HOLES THAT ARE 6 INCHES IN

DIAMETER OR SMALLER ENGINEER MAY ALLOW CONTRACTOR

TO SHIFT OPENINGS TO AVOID REINFORCING.

1.

W W

DD

W

D

W

D

STANDARD 90°

BEND, ROTATE

AS REQD, TYP

TYPE 1 TYPE 2

TYPICAL SECTION

BEAM TYPES

TYPE 3 TYPE 4

BEAM REINFORCING DETAIL

STD 135°

BEND, TYP

SHEAR REINF

(TC)

(B) STOP AT FACE OF SUPPORT

(TC) (T) (S) (TC)

(B)

(BC)

CL SUPPORT, BEAM

IS DISCONTINUOUS

(BC)

(T)

TOP

BARS

(S) WHERE

REQUIRED,SEE

BEAM SCHEDULE SPLICE BC BARS

@ SUPPORT

SPLICE TOP CONT

BARS AND "S"

BARS AT

MIDSPAN

CLOSURE BARS, SAME SIZE

AND SPACING AS SHEAR

REINF

CL SUPPORT, BEAM IS CONTINUOUS

TC OR T REINF, PLACE TC

REINF @ STIRRUP CORNERS,

TC REINF SHOULD BE PLACED

IN UPPERMOST LAYER UNO

1.

2.

NOTES:

PLACE TOP (T & TC) AND BOTTOM (B & BC) BARS IN

MULTIPLE ROWS ONLY WHERE INDICATED IN SCHEDULE.

WHEN INDICATED IN BEAM SCHEDULE, SUBSTITUTE

CLOSED TIES

SHOWN

PROVIDE MINIMUM 1 - #5 CONTINUOUS AT EACH

CORNER OF STIRRUPS.

3.

(S) BARS

LAP LENGTH

DISCONTINUE SLAB

LONGITUDINAL REINF

@ BEAM, PLACE 3"

CLR OF BEAM, TYP

INTERIOR STIRRUPS,

REQUIRED IF INDICATED

IN BEAM SCHEDULE

TYP SLAB REINF

SHEAR REINF

INTERSECTING BEAM

BC OR B REINF, PLACE BC

REINF @ STIRRUP CORNERS,

BC REINF SHOULD BE PLACED

IN LOWER LAYER UNO

DIA OF LARGEST

T OR TC BAR,

1 1/2" CLR MIN

DIA OF LARGEST B OR BC BAR, 1

1/2" CLR MIN

NTS

SLAB SLAB

L1 L2

SHEAR REINF

FOR SIZE AND SPACING, SEE SCHEDULE

SHEAR REINF

FOR SIZE AND SPACING, SEE SCHEDULE

TYPTYP

BE

AM

D

EP

TH

3"

2"

3"

4"

D

1/4 L1 1/3 L1 OR 1/3 L2

WHICHEVER

IS GREATER

WHICHEVER

IS GREATER

1/3 L1 OR 1/3 L2

BEAM WIDTH

W

CLR

CLR

FOR STIRRUPS AND CLOSURE BARS

2" 2"

10#8

STANDARD 90

DEG ACI BEND

TYPICAL BEAM

SEE SCHEDULE

4" =2

'-0

6S

PA

JO

IN

T H

O O

PS

C O

L H

O O

PS

VERTICAL REINF

SEE SCHEDULE

TYP

C O

L

TI

ES

SE

E

SC

H

ED

U

LE

JO

IN

T H

O O

PS

C O

L H

O O

PS

6S

PA

4" =2

'-0

C O

L H

O O

PS

TIE SPACING

SEE SCHEDULE

LAP COMPRESSION SPLICE

SEE TABLE. SPACE TIES

@ 1/2 TIE SPACING

VERTICAL DOWELS

SAME SIZE AS COLUMN

VERTICAL REINF

C O

L H

O O

PS

C

O L

TI

ES

SE

E

SC

H

ED

U

LE

C

LE

AR

H

EI

G

H T

O F

C O

LU

M

N

SE

C

O N

D F

LO

O

R T

O R

O O

F C

LE

AR

H

EI

G H

T O

F C

O

LU

M N

G

R O

U N

D F

LO

O

R T

O S

EC

O

N D

F

LO

O R

TYPICAL BEAM

SEE SCHEDULE

MECHANICAL CONNECTORS MAY BE

USED BE USED IN LIEU OF LAP COMPRESSION

SPLICES. STAGGER SPLICES WITH A MIN

OF 12" SPACING BETWEEN CONNECTORS

STAGGER SPLICES FOR

COLUMNS W/MORE THAN

4 VERTICAL BARS

EL. SEE DWGS

EL. SEE DWGS

EL. SEE DWGS

JOINT HOOPS SPACED

AT 6" O.C. FOR DEPTH

OF SHALLOWEST BEAM

#3 #4 #5 #6 #7 #8 #9 #10 #11

"W" OR "D"

20"

CL

TYPICAL COLUMN REINFORCING

NTS

COMPRESSION LAP

SPLICES WITH TIES

TYPICAL COLUMN SECTION

NTS

21" 24" 27" 30" 33" 36" 40" 43"

W = 12"

D

0"

#4@12

FILENAME: PLOT DATE/TIME:

DRAWING NUMBER PLATE

SHEETDATESCALE

REV DATE DESCRIPTION BY

U.S. ARMY ENGINEER DISTRICT,

BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLANDUS Army Corps of Engineers ®

WASHINGTON AQUEDUCT

MCMILLAN BACKWASH DISCHARGE

TO SEWER

BUILDING ID

R:\d0224752\M29-S-3D-101.rvt 6/10/2020 4:55:11 PM

NONE

BEAM AND COLUMN

SCHEDULE

GENERAL

70.24-2- 9

G-009NOV 2019

CONCRETE BEAM SCHEDULE

MARK

DIMENSION

TOP

REINFORCING

BOTTOM

REINFORCING TOTAL S

BARS

SHEAR REINFORCING

REMARKS

"W" "H" TC BC NO. SIZE SPACING FROM LEFT SUPPORT

B1 1' - 8" 2' - 0" 4#9 4#9 4#9 2#4 @9" TYPE 1

B2 1' - 4" 2' - 0" 3#9 3#9 4#9 2#4 @9" TYPE 1

B3 2' - 0" 2' - 0" 4#9 4#9 4#9 2#4 @9" TYPE 1

B4 2' - 6" 2' - 0" 5#9 5#9 4#9 2#4 @9" TYPE 1

B5 1' - 0" 2' - 0" 3#9 4#9 4#9 2#4 @9" TYPE 1

B6 2' - 0" 1' - 6" 4#9 4#9 4#9 2#4 @9" TYPE 1

1 06/2020 AMENDMENT 0002 GP

B

14" DIA

12' - 0"

6' - 3" 4' - 9"

6'

0" 5'

8"

M26 -

EXISTING

FILTER

BUILDING

TOC 170.50

6' - 6"

9'

4"

TOP EL 171.00

TOC 170.50

3 5

3 5

BOX ACCESS HATCH

FILTER BUILDING

MIXING CHAMBER

A

6" 1'

0"

1'

0"

2'

6"

1'

0"

2'

6"

1'

0"

6"

6" 1' - 0" 10' - 0" 1' - 0" 6"

B

HP EL 160.00

H

P EL 160.00

EL 160.00

EL 160.00

SL

O

PE

SLOPE

EL 158.75

LP EL

159.75

TYP

TYP

M26 - EXISTING

FILTER BUILDING

TOE OF

EXST

FOOTING

DIVERSION

BOX

6'

9" 12' - 6"

FINAL MIXING CHAMBER

1'

6" 9'

3"

1'

3"

EL 170.50

EL 166.25

WEIR

WALL

EL 160.00

#7 @ 12

EW, T&B

#7@12

EW, EF, TYP

#7 @ 12

EW, T&B

EL 158.50

#7@12

EW, EF, TYP

#6@12

EW, EF

#7@12

EW, EF

1' - 0"

2' - 6"

1' - 0"

ALUMINUM SIDEWALK

DOOR SHOWN IN

OPEN POSITION 5

9 TYP

M26 -

EXISTING

FILTER

BUILDING

EL 157.50

#7@12 W/STD HOOK

#7@12

W/STD

HOOK, TYP

#6@12 EW

6' - 9" 10

#7@12

EL 162.00

EL 170.50

EL 160.00

M26 -

EXISTING

FILTER

BUILDING

#7 @ 12

EW, T&B

#7@12

EW, EF, TYP

DIVERSION BOX

2'

0"

5' - 6"

FILTER BUILDING

FOOTING PROJECTION

12' - 6" 10 11

FILENAME: PLOT DATE/TIME:

DRAWING NUMBER PLATE

SHEETDATESCALE

REV DATE DESCRIPTION BY

U.S. ARMY ENGINEER DISTRICT,

BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLANDUS Army Corps of Engineers ®

WASHINGTON AQUEDUCT

MCMILLAN BACKWASH DISCHARGE

TO SEWER

BUILDING ID

R:\d0224752\M29-S-3D-101.rvt 6/10/2020 4:55:22 PM

1/4"=1'-0"

FILTER AND CHEMICAL BUILDING

DIVERSION BOX

PLANS AND SECTIONS

STRUCTURAL

70.24-2- 25

S-101M26NOV 2019

1/4" = 1'-0"

UPPER PLAN

1/4" = 1'-0"

LOWER PLAN

3/8" = 1'-0"25

A SECTION

3/8" = 1'-0"25

B SECTION

N N 0 2' 4' 8'

SCALE: 1/4" = 1'-0"

0 2' 4' 8'

SCALE: 1/4" = 1'-0"

0 2' 4' 8'

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

0 2' 4' 8'

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

FOR GENERAL STRUCTURAL NOTES, SEE PLATE 01-G-005.1.

GENERAL SHEET NOTES

CONTRACTOR SHALL COORDINATE WITH OTHER DISCIPLINES

FOR THE LOCATION OF ALL EMBEDDED ITEMS SUCH AS WALL

PIPES, WALL SLEEVES, ETCETERA.

SHEET KEY NOTES

FOR WALL CORNER AND INTERSECTION REINFORCEMENT SEE

DETAIL 118 / PLATE 72.

1.

ALUMINUM PIPE LADDER UNDER COVER PER DETAIL

137 / PLATE 74.

2.

PROVIDE ADDITIONAL REINFORCING AT OPENING PER

DETAIL 116 / PLATE 72.

3.

ALUMINUM DOUBLE LEAF SIDEWALK DOOR FOR 5'-0"X5'-0" OPENING4.

ALUMINUM SIDEWALK DOOR FOR 2'-6"X3'-0" OPENING.5.

3'-9"X 1'-10" OPENING IN SLAB.6.

FOR CONSTRUCTION JOINT LOCATION IN WALLS SEE

DETAIL 108 / PLATE 71.

3.

SEE SECTIONS FOR REINFORCEMENT.4.

COORDINATE WITH PROCESS AND MECHANICAL FOR PIPE

PENETRATION AND EMBEDMENT. PROVIDE ADDITIONAL

REINFORCING AT OPENINGS OR PENETRATIONS LARGER THAN

10 INCHES PER DETAIL 116 / PLATE 72.

5.

1'-0" WIDE X 6" HIGH CONCRETE CURB PER DETAIL 127 / PLATE 72.7.

ALUMINUM CHECKERED PLATE COVER, 3/8" THICK. SECURE TO

CONCRETE CURB WITH (6) 5/8" DIAMETER ADHESIVE ANCHORS

WITH 3" EMBEDMENT.

8.

WALL BASE CONSTRUCTION JOINT PER DETAIL 114 / PLATE 71.

PROVIDE ADDITIONAL REINFORCING PER DETAIL 119 / PLATE 72.

9.

M29

M26

KEY PLAN

DIMENSION IS FROM OUTSIDE FACE OF CONCRETE BELOW BRICK.10.

INSTALL EAST WALL OF DIVERSION BOX PARALLEL WITH WEST

WALL OF EXISTING FILTER BUILDING.

11.

ALL WORK ASSOCIATED

WITH THE DIVERSION BOX

SHALL BE BID AS OPTION 1

1 06/2020 AMENDMENT 0002 GP

PROVIDE CIRCULAR REINFORCING AT PIPE PENETRATION PER

DETAIL 116/PLATE 72.

12.

2.

DN

A

B

FINAL MIXING

CHAMBER NO. 1

FINAL MIXING

CHAMBER NO. 2

UPFLOW CHAMBER

BEAM ABOVE

SETTLED WATER

FLOW METER

CHAMBER (BELOW)

84" CONC

SETTLED WATER

MAIN, CL 158

24" EQUALIZED

BACKWASH

DRAIN, IE 164.75

48" CONC SPENT

WASHWATER

DRAIN, IE 157.50

6" DRAIN

CL 152.08

SUMP

WEST SPENT

WASHWATER

CHANNEL

NEW ISOLATION/

OVERFLOW

WEIR GATE

FV

M29-1

HALLWAY

MATCHLINE

SEE PLATE 29

EXST RETAINING

WALL TO REMAIN

EL 162.0

EL 151.0

1' - 5"

1'

5"

A

B

NEW ISOLATION/

OVERFLOW

WEIR GATE

FV

M29-1

EXST MIXER

TO BE

REMOVED

UPFLOW CHAMBER

SETTLED WATER

CHANNEL

NEW CONC BEAM

SUPPORTED BY

WALLS BELOW

177.67

168.50

170.67

SETTLED WATER

FLOW METER

CHAMBER (BELOW)

NEW OPENING

EXST STAIR

TO REMAIN

48" CONC SPENT

WASHWATER

DRAIN, IE 157.50

6" DRAIN

CL 152.08

24" EQUALIZED

BACKWASH

DRAIN, IE 164.75

TOP OF EXST

CONC FILL 152.00

EL 168.50

WEST

SETTLED

WATER

CHANNEL

WEST SPENT

WASHWATER

CHANNEL

EL 162.00

EL 177.67

FINAL

MIXING

CHAMBER

NO. 1

FINAL

MIXING

CHAMBER

NO. 2

CSEE ENLARGED

SECTION

EXST MIXER TO

BE REMOVED, TYP

4 4

NEW CONC

BEAM

FV

M29-1

1' - 5"

TOP OF EXST CONC FILL 152.00

EL 168.50

EL 177.67

EL 162.00

FV

M29-1

NEW ISOLATION/

OVERFLOW

WEIR GATE

GATE STEM

TYP 2

NEW CONC

BEAM

1" GROUT

1" GROUT

HALLWAY

12" MIN

2' - 6"

(2) #6 ADHESIVE

DOWELS W/5"

EMBEDMENT

1' - 6"

1" GROUT

EL 162.00

NEW ISOLATION/

OVERFLOW

WEIR GATE

FV

M29-1

EL 168.50

REMOVE

SECTION OF

SLAB TO INSTALL

NEW WEIR GATE

NEW CONC BEAM

SHALL BE INSTALLED

PRIOR TO DEMOLITION

OF ADJACENT SLAB

WEST SPENT

WASHWATER

CHANNEL

WEST

SETTLED

WATER

CHANNEL

NEW 8"x5" SST

INVERTED OFFSET

CHANNEL WITH

GASKETS PROVIDED BY

GATE MANUFACTURER

1'

0"

(5) #6

#6@12 ADHESIVE

DOWELS W/5"

EMBEDMENT

FILENAME: PLOT DATE/TIME:

DRAWING NUMBER PLATE

SHEETDATESCALE

REV DATE DESCRIPTION BY

U.S. ARMY ENGINEER DISTRICT,

BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLANDUS Army Corps of Engineers ®

WASHINGTON AQUEDUCT

MCMILLAN BACKWASH DISCHARGE

TO SEWER

BUILDING ID

R:\d0224752\M29-D-3D-101.rvt 6/10/2020 5:32:52 PM

AS

NOTED

FILTER AND CHEMICAL BUILDING

FINAL MIXING CHAMBER

PLANS AND SECTIONS

PROCESS

70.24-2- 28

D-103M26NOV 2019

1/4" = 1'-0"

MIXING CHAMBER PLAN AT ELEV 168.5

1/4" = 1'-0"28

A SECTION

1/4" = 1'-0"28

B SECTION

1/2" = 1'-0"28

C ENLARGED SECTION

SHEET KEY NOTES

1. PROVIDE MECHANICAL JOINT FITTING WITHIN 2'-0" OF OUTSIDE

WALL FOR FLEXIBILITY. CORE DRILL HOLES IN EXISTING

CONCRETE WALL AND INSTALL NEW 30" AND 24" PIPES PER

DETAIL 311/PLATE 78.

2. APPROXIMATE LOCATION OF SEVERAL 1"-2" PVC PIPES AND

CONDUITS SERVING PILOT TRAILER LOCATED WEST OF

EXISTING RETAINING WALL. CONTRACTOR SHALL PROVIDE

TEMPORARY SUPPORTS FOR PILOT PLANT UTILITIES AS NEW

24" EQUALIZED BACKWASH DRAIN IS INSTALLED. BACKFILL

TRENCH WITH FLOWABLE FILL FOLLOWING INSTALLATION.

3. CONTRACTOR SHALL DEMOLISH EXISTING WOOD PLATFORM

AND STAIR.

4. SEAL FLOOR OPENING FOLLOWING REMOVAL OF MIXER WITH

NON SHRINK GROUT. ENLARGE TOP OF HOLE TO CREATE A

FUNNEL SHAPED HOLE TO PREVENT NEW GROUT PLUG FROM

DROPPING THROUGH HOLE. BURN ALL ANCHOR BOLTS TO

MINIMUM 1" BELOW TOP OF SLAB AND FILL HOLES WITH NON

SHRINK GROUT.

5. CONTRACTOR SHALL DEMOLISH EXISTING WORK BENCH AND

ELECTRICAL RECEPTACLES. REMOVE CONDUIT AND WIRING

FEEDING THE RECEPTACLES TO THE FIRST JUNCTION BOX ON

THE INCOMING CONDUIT.

N 0 2' 4' 8'

SCALE: 1/4" = 1'-0"

N 0 2' 4' 8'

SCALE: 1/4" = 1'-0"

6. REMOVE ELECTRICAL RECEPTACLES ON SIDE OF WOOD

PLATFORM. REMOVE CONDUIT AND WIRING TO THE

RECEPTACLE FEEDING THE RECEPTACLES ON THE EAST

WALL.

M29

M26

KEY PLAN

K3

16a

K1 J3 J2

K3 K1 J3 J2

16a

1 06/2020 AMENDMENT 0002 GP

B

FILTER INFLUENT

CHANNEL

(BOTTOM EL 168.50)

30" FLANGED

ISOLATION

BUTTERFLY

VALVE WITH

VERTICAL

STEM, IE 169.50

HOLE FOR EXTENSION

BONNET, CAULK OPENING

TO MAKE WATERTIGHT

FLOW METER REMOVAL

HATCH

30" SETTLED

WATER

DIVERSION PIPE

VAULT ACCESS HATCH

VALVE REMOVAL

CHECKER PLATE

WEIR CHAMBER ACCESS

HATCH

LIMITS OF INSULATION

A

B

30" SETTTLED

WATER DIVERSION

PIPE, IE 162.00

30" MAG METER

30" RESTRAINED

FCA

30" FLOW CONTROL VALVE WITH

EXTENSION BONNET AND ACTUATOR

INSTALLED 3'-0" ABOVE TOP OF

VAULT. SEAL OPENING BETWEEN

EXTENSION BONNET AND HOLE IN

CHECKER PLATE WITH CAULKING

30" BURIED MJ ISOLATION

BUTTERFLY VALVE WITH

HORIZONTAL STEM AND

BURIED RIGHT ANGLE WORM

GEAR DRIVE AND VALVE BOX

WITH EXTENSION STEM

TOP OF WEIR

EL 166.50

FINAL MIXING

CHAMBER NO. 2

MATCHLINE

SEE PLATE 28

FINAL MIXING

CHAMBER NO. 1

TOE OF

EXST

FOOTING

FILTER

BUILDING

FE

M26-1

FCV

M26-2

78SEE

FILTER

INFLUENT

CHANNEL

EL 168.50

EL 162.00

EL 160.00

EL 170.50

30" DIVERSION

PIPE, IE 162.00

LIMITS OF

INSULATION

FILTER

OPERATING

LEVEL

TYPICAL WATER

LEVEL 174.2

BOTTOM OF BRICK

EL 170.45

SPENT

WASHWATER

CHANNEL

C

INSTALL SST

L3X3X1/4 W/ 1/2"

DIAMETER ADHESIVE

ANCHOR @ 16" TO

ALLOW REMOVAL OF

BRICKS BELOW

RESTORE BRICK

AROUND PIPE

FILL VOID W/

NONSHRINK

GROUT TO

FACE OF BRICK

30" FLANGED

ISOLATION

BUTTERFLY

VALVE WITH

VERTICAL

STEM, IE 169.50

SEE

1' - 5"

1' - 6"

STRAIGHT LENGTH

12' - 6"

TOP OF WEIR

EL 166.50, SEE

FINAL MIXING CHAMBER NO. 2

6" CURB

EL 160.00

EL 170.50

EL 168.50

STRAIGHT LENGTH

7' - 6"

FE

M26-1

ELEC

ACTUATOR

EXST GRADE

APPROX 170.0

GROUT FILL30" MAG METER,

SEE

30" SETTTLED

WATER DIVERSION

PIPE, IE 162.00

SEE

TYP 3 PLACES

BURIED MJ

BUTTERFLY

VALVE, SEE

HWL = 164.00 (FROM

RECORD DRAWINGS)

OPENING

UNDER

DIVIDER WALL

FCV

M26-2

1' - 5"

BOTTOM OF BRICK

EL 170.45

INSTALL SST

L3X3X1/4 W/ 1/2"

DIAMETER ADHESIVE

ANCHOR @ 16" TO

ALLOW REMOVAL OF

BRICKS BELOW

FILL VOID W/

NONSHRINK

GROUT TO

FACE OF BRICK

NEW BRICK

FILENAME: PLOT DATE/TIME:

DRAWING NUMBER PLATE

SHEETDATESCALE

REV DATE DESCRIPTION BY

U.S. ARMY ENGINEER DISTRICT,

BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLANDUS Army Corps of Engineers ®

WASHINGTON AQUEDUCT

MCMILLAN BACKWASH DISCHARGE

TO SEWER

BUILDING ID

R:\d0224752\M29-D-3D-101.rvt 6/10/2020 5:33:02 PM

AS

NOTED

FILTER AND CHEMICAL BUILDING

DIVERSION BOX

PLANS AND SECTIONS

PROCESS

70.24-2- 29

D-104M26NOV 2019

1/4" = 1'-0"

DIVERSION BOX UPPER PLAN 1/4" = 1'-0"

DIVERSION BOX LOWER PLAN

1/4" = 1'-0"29

A SECTION

1/4" = 1'-0"29

B SECTION

N 0 2' 4' 8'

SCALE: 1/4" = 1'-0"

SHEET KEY NOTES

1. CORE DRILL HOLE IN EXISTING CONCRETE WALL AND INSTALL

NEW 30" SETTLED WATER DIVERSION PIPE AND MODULAR

MECHANICAL SEAL PER DETAIL 311/PLATE 78.

3/8" = 1'-0"29

C SECTION

J2J3

K1K3

16a

J3

K1K3

16a

ALL WORK ASSOCIATED

WITH THE DIVERSION BOX

SHALL BE BID AS OPTION 1

N 0 2' 4' 8'

SCALE: 1/4" = 1'-0"

M29

M26

KEY PLAN

1 06/2020 AMENDMENT 0002 GP

C

D

B

F

E

1'

6"

2'

0"

1' - 6" 67' - 8" 1' - 6"

M29 - BACKWASH EQUALIZATION BASINS

M30 - BACKWASH

EQUALIZATION

PUMPING STATION

M26 - EXISTING FILTER BUILDING

EXISTING ACCESS RAMP

BACKWASH

EQUALIZATION

BASIN CELL 2

BACKWASH

EQUALIZATION

BASIN CELL 1

BYPASS

CHANNEL

BACKWASH WASTE

CONNECTION CONDUIT

1'

6"

1'

0"

5'

0" 2'

0"

H

J

I

2'

3"

1' - 0" 4' - 0" 2' - 0" 102' - 6" 2' - 0" 4' - 0" 1' - 0"

9' - 9 1/2"

K

EL 165.50

FILENAME: PLOT DATE/TIME:

DRAWING NUMBER PLATE

SHEETDATESCALE

REV DATE DESCRIPTION BY

U.S. ARMY ENGINEER DISTRICT,

BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLANDUS Army Corps of Engineers ®

WASHINGTON AQUEDUCT

MCMILLAN BACKWASH DISCHARGE

TO SEWER

BUILDING ID

R:\d0224752\M29-S-3D-101.rvt 6/10/2020 4:55:34 PM

1/8"=1'-0"

OVERALL PLAN

STRUCTURAL

70.24-2- 37

S-100M29-M30NOV 2019

1/8" = 1'-0"

OVERALL PLAN

KEY PLAN

M26

M29

M30

8'4' 16'0

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

N

1 1

UP

UP

C

D

1'

6"

1'

6"

BACKWASH

EQUALIZATION

BASIN CELL 1

BACKWASH

EQUALIZATION

BASIN CELL 2

SUMP

FLOW METER AND

CONTROL VALVE

ROOM

B101

WEIR

WALL

DRAIN TRENCHDRAIN TRENCH

1'

6"

20' - 5" 1' - 0" 3' - 6"

2' - 0" 16' - 0" 1' - 0" 16' - 0" 1' - 0" 16' - 0" 2' - 6" 16' - 0" 1' - 0" 16' - 0" 1' - 0" 16' - 0" 2' - 0"

M30 - BACKWASH

EQUALIZATION

PUMPING STATION

M29 - BACKWASH

EQUALIZATION BASIN

3" D X 4" W TRENCH,

FOR REINFORCING SEE

C1C1LP EL 149.50

SL

O

PE

SL

O

PE

SL

O

PE

SL

O

PE

SL

O

PE

SL

O

PE

C1C1LP EL 149.50 LP EL 149.50 LP EL 149.50 LP EL 149.50 LP EL 149.50

1' - 9"

8'

0"

LP EL 143.00

LP EL 143.00

HP EL 143.21

SL

O

PE

SL

O

PE

SLOPE

LP

E

L

3.

LP

E

L

3.

143.00

SLOPE

146.75

SLOPE

LANDING AT EL 143.00 AND 157.00

2 150.00

1 TYP

143.00143.00

1'-0" HIGH

CONC

CURB, TYP

4 1 1

CONC FILL,

SEE SECTION

10' - 0"10' - 0"

EL 142.75 AT

BOTTOM OF TRENCH

CONC

FILL, SEE

SECTION

'-1

TOP OF GRATING

EL SHALL MATCH

ADJACENT FLOOR

H

J

I

G

17' - 11" 1' - 6" 8' - 4" 1' - 0" 62' - 9" 3' - 0" 1' - 6" 9' - 0" 1' - 6"

STAIR

1S1

A

C

F

E

BACKWASH

EQUALIZATION

BASIN CELL 2

BACKWASH

EQUALIZATION

BASIN CELL 1

TYP

3' - 7 1/2"

TYP

8' - 2 1/2"

TYP

4' - 2"

2' - 0" 16' - 0" 1' - 0" 16' - 0" 1' - 0" 16' - 0" 2' - 6" 16' - 0" 1' - 0" 16' - 0" 1' - 0" 16' - 0" 2' - 0"

M29 - BACKWASH EQUALIZATION BASIN

HP EL 150.80

CONC FILL,

SEE SECTION

HP EL 150.80 HP EL 150.80 HP EL 150.80 HP EL 150.80 HP EL 150.80

1 TYP

2'-0" HIGH

CONC

CURB, TYP

1'-0" HIGH

CONC

CURB, TYP

1 TYP

SL

O

PE

SL

O

PE

SL

O

PE

SL

O

PE

SL

O

PE

SL

O

PE

1'

0"

'-1

FILENAME: PLOT DATE/TIME:

DRAWING NUMBER PLATE

SHEETDATESCALE

REV DATE DESCRIPTION BY

U.S. ARMY ENGINEER DISTRICT,

BALTIMORE

CORPS OF ENGINEERS

BALTIMORE, MARYLANDUS Army Corps of Engineers ®

WASHINGTON AQUEDUCT

MCMILLAN BACKWASH DISCHARGE

TO SEWER

BUILDING ID

R:\d0224752\M29-S-3D-101.rvt 6/10/2020 4:55:44 PM

1/4"=1'-0"

LOWER LEVEL PLANS

STRUCTURAL

70.24-2- 38

S-101M29-M30NOV 2019

1/4" = 1'-0"

LOWER PLAN - SOUTH

1/4" = 1'-0"

LOWER PLAN - NORTH 0 2' 4' 8'

SCALE: 1/4" = 1'-0"

0 2' 4' 8'

SCALE: 1/4" = 1'-0"

N

N

KEY PLAN

M30

M29

M26

FOR GENERAL STRUCTURAL NOTES, SEE PLATE 6.1.

GENERAL SHEET NOTES

CONTRACTOR SHALL COORDINATE WITH OTHER DISCIPLINES

FOR THE LOCATION OF ALL EMBEDDED ITEMS SUCH AS WALL

PIPES, WALL SLEEVES, ETCETERA.

2.

SHEET KEY NOTES

COORDINATE FINAL DIMENSIONS OF OPENING WITH FLUSH

GATE MANUFACTURER.

11.

FOR WALL CORNER AND INTERSECTION REINFORCEMENT SEE

DETAIL 118 / PLATE 72.

1.

CONCRETE TOPPED METAL PAN STAIR LANDING, SEE DETAIL

136 / PLATE 73.

2.

CONCRETE TOPPED METAL PAN STAIRS, SEE DETAIL 135 / PLATE 73.3.

STAINLESS STEEL PIPE LADDER UNDER COVER, SEE DETAIL

137 / PLATE 74.

4.

STAINLESS STEEL PIPE LADDER WITH EXTENSION, SEE

DETAIL 137 / PLATE 74.

5.

GATE OPENING, SEE SECTIONS. PROVIDE ADDITIONAL

REINFORCING AT OPENING PER DETAIL 116 / PLATE 72.

6.

COVER TRENCH WITH 1" THICK ALUMINUM GRATING AT

DOOR. MINIMUM WIDTH SHALL EXTEND 9" BEYOND DOOR

OPENING. SEE DETAILS 145 TO 148 / PLATE 74.

7.

ALUMINUM GRATING PER DETAILS 145 TO 148 / PLATE 74.8.

ALUMINUM RAILING, SEE DETAILS 140 AND 143 / PLATE 74.9.

WALL HANDRAIL, SEE DETAIL 144 / PLATE 74.10.

FOR CONSTRUCTION JOINT LOCATION IN WALLS SEE DETAIL 108 /

PLATE 71.

3.

SEE SECTIONS FOR REINFORCEMENT.4.

COORDINATE WITH PROCESS AND MECHANICAL FOR PIPE

PENETRATION AND EMBEDMENT. PROVIDE ADDITIONAL

REINFORCING AT OPENINGS OR PENETRATIONS LARGER THAN

10 INCHES PER DETAIL 116 / PLATE 72.

5.

1 06/2020 AMENDMENT 0002 GP

C

F

E

8'

0"

7' - 9" 4' - 6" 7' - 9"

WASTE BACKWASH

CONNECTION CONDUIT

SEE PLATE 40

C O

N C

R

ET

E W

AL

KW

AY

ALUMINUM GRATING

BACKWASH EQUALIZATION BASIN CELL 2BACKWASH EQUALIZATION BASIN CELL 1

4' - 0" 12' - 0" 4' - 0"

M29 - BACKWASH EQUALIZATION BASIN

1 TYP

'-1

4'

0"

171.00

AND

GS-1 SUPPORT

TYP

1 TYP

1 TYP

1 TYP

1'

6" 2'

0"

4'

6"

C

D

BACKWASH EQUALIZATION BASIN CELL 1 BACKWASH EQUALIZATION BASIN CELL 2

1'

6"

TY

P

1'

0"

8' - 4"

OPNG

4' - 0" 9' - 0"

OPNG

6' - 4" 9' - 0"

OPNG

4' - 0" 8' - 4"

6" 22' - 5" 11' - 4" 49' - 6" 8' - 4" 1' - 6"

17' - 11" 4' - 6" 6"

88' - 7"

M30 - BACKWASH

EQUALIZATION

PUMPING…