W9127821B0001 AM02 DRAWINGS.pdf

PDF 820 KB Posted Feb 11, 2021

Attached to: W9127821B0001 - Mobile Harbor, Alabama, Deepening and Widening – Phase 3
Solicitation number: W9127821B0001
Issued by: Department of the Army Corps of Engineers Engineering District Mobile

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Written by GovTribe AI · Dec 27, 2023

This document package includes drawings and specifications for a federal dredging contract opportunity with the Mobile District of the U.S. Army Corps of Engineers. The solicitation is for W9127821B0001 to perform dredging and widening work for the Mobile Harbor in Alabama - Phase 3. The work includes deepening the existing navigation channel from -47 feet to -50 feet Mean Lower Low Water according to the drawings, specifications and dredge templates provided. The contract drawings depict the project area, existing conditions and detailed dredge plans. The scope of work requires dredging sections of the Mobile Bay Channel to a depth of -50 feet MLLW as indicated, with an allowable overdepth of -54 feet. The solicitation number is W9127821B0001 and was issued by the Department of the Army Corps of Engineers Engineering District in Mobile, Alabama.

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Other files

File	Type	Posted
W9127821B0001 Abstract.pdf	PDF	Mar 19, 2021
W9127821B0001 AM03.pdf	PDF	Mar 16, 2021
W9127821B0001 AM02.pdf	PDF	Feb 11, 2021
W9127821B0001 AM01 DRAWINGS.pdf	PDF	Feb 4, 2021
W9127821B0001 AM01.pdf	PDF	Feb 4, 2021
W9127821B0001 IFB VOL 2 of 2.PDF	PDF	Jan 14, 2021
W9127821B0001 IFB DRAWINGS.pdf	PDF	Jan 14, 2021
W9127821B0001 IFB VOL 1 of 2.PDF	PDF	Jan 14, 2021
W9127821B0001 EM 385-1-1.pdf	PDF	Jan 14, 2021

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MOBILE DISTRICT

109 SAINT JOSEPH STREET

MOBILE, AL 36602

MOBILE HARBOR, ALABAMA DEEPENING AND WIDENING - PHASE 3

MOBILE, ALABAMA

MOBILE COUNTY

AMENDMENT NO. 0002

®of Engineers

US Army Corps

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AMENDMENT NO. 00002

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TITLE OF DRAWINGS

SHEET

REF.

INDEX OF DRAWINGS

CN101

CN102

CN103

CN104

CN105

CN106

GENERAL NOTES

PROJECT MAP

CN107

CN109

CN110

CN108

G-002

TYPICAL DREDGE SECTION

CN302 DREDGE CROSS SECTIONS

CN303 DREDGE CROSS SECTIONS

CN304 DREDGE CROSS SECTIONS

CN305 DREDGE CROSS SECTIONS

CN307 DREDGE CROSS SECTIONS

CN306 DREDGE CROSS SECTIONS

CN308 DREDGE CROSS SECTIONS

CN309 DREDGE CROSS SECTIONS

CN310 DREDGE CROSS SECTIONS

CN311 DREDGE CROSS SECTIONS

CN312 DREDGE CROSS SECTIONS

CN313 DREDGE CROSS SECTIONS

CN314 DREDGE CROSS SECTIONS

CN315 DREDGE CROSS SECTIONS

CN316 DREDGE CROSS SECTIONS

CN317 DREDGE CROSS SECTIONS

CN318 DREDGE CROSS SECTIONS

CN319 DREDGE CROSS SECTIONS

CN111 DREDGE DISPOSAL AREA

PARTIAL DREDGE PLAN

OVERALL DREDGE PLAN

CN320 DREDGE CROSS SECTIONS

CN321 DREDGE CROSS SECTIONS

CN322 DREDGE CROSS SECTIONS

CN323 DREDGE CROSS SECTIONS

CN324 DREDGE CROSS SECTIONS

BS325

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BORING PROFILE

BS329 BORING PROFILE

CN301.2

G-003.1

CENTERLINE COORDINATES

MOBILE BAR CHANNEL

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1790597.75 50923.232189+58.71

1794165.62 60270.902089+53.28

1799403.12 82661.271859+58.50

1799423.63 83151.161854+68.18

1798117.75 90984.401775+26.83

1798307.71 92490.011760+09.29

1806586.50 156398.051115+67.25

1806677.00 162421.951055+42.67

1800866.62 225350.36423+46.58

1800935.41 227227.70404+67.98

1801253.80 235917.26317+72.59

1801308.73 237416.26302+72.59

1801436.88 240913.92267+72.58

1801467.74 241755.93259+30.00

1801488.67 242321.22253+64.33

1801520.62 243219.15244+65.83

1800104.88 246045.01213+05.16

1799797.37 247439.68198+76.99

1800077.25 251589.58157+17.67

1799375.88 256705.45105+53.94

1799289.35 257371.7598+82.05

1799015.40 259728.7775+09.16

1798980.75 260026.8672+09.06

1798125.38 264108.8930+38.38

1798020.87 267145.4700+00.00

EASTINGSTATION NORTHING

CHANNEL COORDINATES ON SHEETS CN102 TO CN110 CORRESPOND TO THE ELEVATION OF THE NEW WORK DREDGE TEMPLATE (EL. -50’ MLLW). SEE SHEET CN301 FOR TYPICAL DREDGE SECTION.8.

7. ONLY USACE GAGES SHALL BE USED FOR REFERENCE UNLESS OTHERWISE APPROVED BY THE COR. GAUGES WILL BE PROVIDED AT THE PRE-CONSTRUCTION MEETING.

6. ALL UTILITY LOCATIONS ARE APPROXIMATE. THE CONTRACTOR SHALL INVESTIGATE SUBMERGED, SURFACE, AND OVERHEAD STRUCTURES IN THE WORK AREAS IN ACCORDANCE WITH SECTION 01 00 00, PARAGRAPH 1.3, CONTRACTOR’S INVESTIGATION RESPONSIBILITY.

5. FREQUENCY SOUNDINGS: 208KHZ

4. THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITIONS EXISTING AT THE TIME.

3. THE HYDROGRAPHIC SURVEY REFLECTED IN THIS PLAN SET WAS PERFORMED ON SEPTEMBER 30, 2019 BY THE IRVINGTON SITE OFFICE OF THE U.S. ARMY CORPS OF ENGINEERS.

2. ALL COORDINATES SHOWN IN THIS PLAN SET ARE IN FEET AND ARE REFERENCED TO ALABAMA STATE PLANE COORDINATE SYSTEM NAD 83 DATUM (0102) WEST ZONE.

1. ALL ELEVATIONS SHOWN IN THIS PLAN SET ARE REFERENCED TO FEET IN MEAN LOWER LOW WATER (M.L.L.W.) DATUM.

GENERAL NOTES:

AMENDMENT NO. 00002

G-003.12

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-47' MLLW ROUTINE (O&M) ADVANCED MAINTENANCE DREDGE TEMPLATE

-52' MLLW NEW WORK ADVANCED MAINTENANCE DREDGE TEMPLATE

-54' MLLW NEW WORK ALLOWABLE OVERDEPTH DREDGE TEMPLATE

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-48' MLLW ROUTINE (O&M) ALLOWABLE OVERDEPTH DREDGE TEMPLATE

NEW WORK DREDGING

ROUTINE MAINTENANCE (O&M) DREDGING

LEGEND

CHANNEL ALIGNMENT

EXISTING GRADE

-47' MLLW ROUTINE (O&M) ADVANCED MAINTENANCE DREDGE TEMPLATE

-52' MLLW NEW WORK ADVANCED MAINTENANCE DREDGE TEMPLATE

-54' MLLW NEW WORK ALLOWABLE OVERDEPTH DREDGE TEMPLATE

N.T.S.

-48' MLLW ROUTINE (O&M) ALLOWABLE OVERDEPTH DREDGE TEMPLATE

(WIDTH MAY VARY IN BEND LOCATIONS)

MOBILE BAY CHANNEL TYPICAL DREDGE SECTION - STATIONS 1576+00 TO STATION 1590+00

MOBILE BAY CHANNEL TYPICAL DREDGE SECTION - STATIONS 950+00 TO STATION 1538+00

CN301.2

-50' MLLW NEW WORK DREDGE TEMPLATE

1. SEE SHEET G-003.1 FOR GENERAL NOTES.

NOTES:

DETAIL.

SECTION 2. SEE CHANNEL DREDGE COORDINATES AND DREDGE CROSS SECTIONS FOR MORE

2. WIDTHS WILL VARY IN BENDS AND THE TRANSITION AREA FROM TYPICAL SECTION 1 TO TYPICAL

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CHANNEL ALIGNMENT

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CHC20010-G-0021-Default-000

CHC20010-G-003-Default-001

CHC20010-CN301-sheet-001

File details come from the government source that posted it. Updated Feb 11, 2021.