Amendment 0002 ld7_amd0002.pdf

NESP Mooring Cell and Dolphin Lock 7 Solicitation No. W912ES25BA009 Final Solicitation Set

AMENDMENT 0002 SEPT 2025

The following modifications are made to the PROJECT TABLE OF CONTENTS, SECTION 05 50 14, and the DRAWINGS.

PROJECT TABLE OF CONTENTS

a. ALL PAGES. Delete the Project Table of Contents in its entirety, and substitute therefore revised Project Table of Contents, AMENDMENT 0002, dated SEPT 2025.

SECTION 05 50 14

b. ALL PAGES. Delete Section 05 50 14 in its entirety, and substitute therefore revised Section 05 50 14, AMENDMENT 0002, dated

SEPT 2025.

DRAWINGS (SUPERSEDED)

c. Revised drawings listed below are being issued with this Modification. Such revised drawings supersede those of the same sheet identification numbers listed in the INDEX OF DRAWINGS furnished with Contract No. W912ES25BA009, dated SEPT 2025.

S-512

ATTACHMENTS: Project Table of Contents; Section 05 50 14; S-512.

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 73 05 SPECIAL CONTRACT REQUIREMENTS

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 SUMMARY OF WORK

01 20 00 PRICE AND PAYMENT PROCEDURES

01 32 16 CONSTRUCTION PROGRESS SCHEDULES [BAR

CHART]

01 33 00 SUBMITTAL PROCEDURES

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00 RESIDENT MANAGEMENT SYSTEM (RMS)

01 45 04 CONTRACTOR QUALITY CONTROL

01 50 02 TEMPORARY CONSTRUCTION FACILITIES

01 57 20.00 13 ENVIRONMENTAL PROTECTION

01 71 23.05 13 CONTRACTOR SURVEYS

01 78 00 CLOSEOUT SUBMITTALS

DIVISION 03 - CONCRETE

03 31 00 CAST-IN-PLACE STRUCTURAL CONCRETE

DIVISION 05 - METALS

05 12 00 STRUCTURAL STEEL

05 50 13 MISCELLANEOUS METAL FABRICATIONS

05 50 14 MISCELLANEOUS (STRUCTURAL) METAL

FABRICATIONS

DIVISION 09 - FINISHES

09 97 02 PAINTING: HYDRAULIC STRUCTURES

DIVISION 26 - ELECTRICAL

26 05 00 COMMON WORK RESULTS FOR ELECTRICAL

26 56 00 EXTERIOR LIGHTING

DIVISION 31 - EARTHWORK

31 41 16 METAL SHEET PILING

31 62 16.14 EMBEDDED PIPE PILES

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

35 20 23 MECHANICAL DREDGING / EXCAVATION

35 31 19 STONE, CHANNEL, SHORELINE/COASTAL

PROTECTION FOR STRUCTURES

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AMENDMENT 0002 SEPT 2025

* Sections Amended

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PROJECT TABLE OF CONTENTS Page 2

AMENDMENT 0002 SEPT 2025

SECTION TABLE OF CONTENTS

DIVISION 05 - METALS

SECTION 05 50 14

MISCELLANEOUS (STRUCTURAL) METAL FABRICATIONS

PART 1 GENERAL

1.1 REFERENCES

1.2 QUALITY CONTROL

1.3 SUBMITTALS

1.4 METALWORK AND MACHINE WORK DETAIL DRAWINGS AND MATERIAL LISTS

PART 2 PRODUCTS

2.1 MISCELLANEOUS METALS AND STANDARD METAL ARTICLES

2.1.1 Sheet Piling

2.1.2 Structural Steel

2.1.3 Steel Plates, Structural

2.1.4 W-shape Piles

2.1.5 Checkposts **AMENDMENT 0002**

2.1.6 Bolts, Screws, Nuts, Washers, and Retaining Compound

2.1.6.1 Bolts and Nuts

2.1.6.2 Washers

2.1.6.3 Cap Screws and Nuts

2.1.6.4 High Strength Bolts, Nuts, and Washers

2.1.7 Brass Rods for Survey Markers

2.2 SHOP FABRICATED METAL ITEMS

2.2.1 Recess Frames

PART 3 EXECUTION

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SECTION 05 50 14

MISCELLANEOUS (STRUCTURAL) METAL FABRICATIONS

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only.

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

ASME B18.2.1 (2012; Errata 2013) Square and Hex Bolts and Screws (Inch Series)

ASME B18.2.2 (2015) Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series)

ASME B18.6.3 (2013) Machine Screws, Tapping Screws, and Metallic Drive Screws (Inch Series)

ASME B18.21.1 (2009) Washers: Helical Spring-Lock, Tooth Lock, and Plain Washers (Inch Series)

ASTM INTERNATIONAL (ASTM)

ASTM A307 (2021) Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI Tensile Strength

ASTM A36/A36M (2019) Standard Specification for Carbon Structural Steel

ASTM A519/A519M (2017) Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

ASTM A572/A572M (2021; E 2021) Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel

ASTM B138/B138M (2011) Manganese Bronze Rod, Bar, and Shapes

ASTM F3125/F3125M (2019) Standard Specification for High Strength Structural Bolts and Assemblies, Steel and Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150 ksi Minimum Tensile Strength, and Metric Dimensions 830 MPa and 1040 MPa Minimum Tensile Strength

SECTION 05 50 14 Page 3

1.2 QUALITY CONTROL

Requirements for tests, workmanship, and other measures for quality control as specified and in accordance with Section 05 50 13 MISCELLANEOUS

METAL FABRICATIONS.

1.3 SUBMITTALS

a. Submit shop drawings, samples, lists of materials, certified test reports for materials tests and analyses, disposition records, and other submittals for approval as specified and in accordance with Section 05 50 13 MISCELLANEOUS METAL FABRICATIONS. Submit full size samples of standard or fabricated items and complete as required for installation in the work, and if installed in the work, provided each sample is clearly identified and the location recorded.

b. Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Detail Drawings and Material Lists ; G, ECDS (Engineering and Construction - Design Branch - Structural Engineering Section)

Detail drawings indicating material thickness, type, grade, and class; dimensions; and construction details. Drawings to include catalog cuts, erection details, manufacturer's descriptive data and installation instructions, and templates.

SD-03 Product Data

Miscellaneous Metals and Standard Metal Articles ; G, ECDS

Shop Fabricated Metal Items ; G

Lists of materials, records which identify the disposition of approved materials, and fabricated items as specified and in accordance with Section 05 50 13 MISCELLANEOUS METAL FABRICATIONS.

SD-06 Test Reports

Miscellaneous Metals and Standard Metal Articles ; G

Shop Fabricated Metal Items ; G, ECDS

Certified test reports for materials tests and analyses submitted for approval as specified and in accordance with Section

05 50 13 MISCELLANEOUS METAL FABRICATIONS.

1.4 METALWORK AND MACHINE WORK DETAIL DRAWINGS AND MATERIAL LISTS

Detail drawings for metalwork and machine work shall include catalog cuts, templates, fabrication and assembly details and type, grade and class of material as appropriate. Elements of fabricated items inadvertently omitted on Contract drawings shall be detailed by the fabricator and indicated on the detail drawings. Furnish a materials list of the

SECTION 05 50 14 Page 4 materials to be used in the fabrication of each item. The list shall be submitted at the time of submittal of Detail Drawings and Material Lists .

PART 2 PRODUCTS

2.1 MISCELLANEOUS METALS AND STANDARD METAL ARTICLES

Provide materials and standard articles in accordance with the respective specifications and other designated requirements. Provide sizes as specified or shown. Where material requirements are not specified, provide materials suitable for the intended use and will be subject to approval.

2.1.1 Sheet Piling

Provide in accordance with ASTM A572/A572M , as indicated.

2.1.2 Structural Steel

Provide in accordance with ASTM A36/A36M or ASTM A572/A572M , as indicated.

2.1.3 Steel Plates, Structural

Provide in accordance with ASTM A572/A572M , Grade 50 or ASTM A36/A36M, as indicated.

2.1.4 W-shape Piles

ASTM A572/A572M , Grade 50.

2.1.5 Checkposts **AMENDMENT 0002**

ASTM A519/A519M , Grade 4130SR, with minimum yield strength of 90,000 psi, or ASTM A519/A519M , Grade 1440 SR 1026 HS , with minimum yield strength of 90,000 60,200 psi.

2.1.6 Bolts, Screws, Nuts, Washers, and Retaining Compound

Provide bolts, screws, nuts, and washers material, grade, type, class, style, and finish as indicated; if not specified or indicated, provide in accordance with ASTM F3125/F3125M , Grade A325 bolts or equivalent. Unless otherwise specified, provide bolts as stainless steel, galvanized, or painted based on the following criteria:

a. Stainless steel fasteners are not to be used with galvanized components. Use stainless steel fasteners when connecting:

(1) Stainless steel to stainless steel.

(2) Stainless steel to painted steel.

b. Galvanized fasteners are not to be used with stainless steel components. Use galvanized steel fasteners when connecting:

(1) Galvanized steel to galvanized steel.

(2) Galvanized steel to painted steel.

(3) Painted steel to painted steel.

SECTION 05 50 14 Page 5

c. Use painted steel fasteners when dissimilar metals occur in the use of stainless steel or galvanized steel. Use painted steel fasteners when the fastener is integral to an assembly when painted as one unit.

2.1.6.1 Bolts and Nuts

Provide in accordance with ASTM A307, Grade A. Bolts in accordance with ASME B18.2.1 . Nuts in accordance with ASME B18.2.2 .

2.1.6.2 Washers

a. Plain Washers: Provide in accordance with ASME B18.21.1 , Type B, wide.

b. Lock Washers: Provide in accordance with ASME B18.21.1 , helical spring.

2.1.6.3 Cap Screws and Nuts

Provide in accordance with ASME B18.6.3 , steel.

2.1.6.4 High Strength Bolts, Nuts, and Washers

Provide in accordance with ASTM F3125/F3125M , Grade A325, Type 1, Plain.

2.1.7 Brass Rods for Survey Markers

Provide One inch diameter, in accordance with ASTM B138/B138M .

2.2 SHOP FABRICATED METAL ITEMS

Shop fabricated metal items in accordance with the requirements and details as specified or as shown; and to the workmanship provisions and other applicable fabrication requirements in accordance with Section

05 50 13 MISCELLANEOUS METAL FABRICATIONS.

2.2.1 Recess Frames

Fabricate the types of structural shapes as indicated. Grind smooth welded joints in frames. Galvanize steel frames after fabrication. Anchor frames to supports in the manner shown but are not to be continuous across contraction or expansion joints.

PART 3 EXECUTION

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ASTM 519 GRADE 4130 SR

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ASTM 519 GRADE 4130 SR IS 8-3/4" OD STEEL TUBING 1-1/2" WALL THICKNESS

AN ALLOWABLE ALTERNATIVE TO 8-3/8" OD STEEL TUBING 1" WALL THICKNESS 3.

ALL CHECK POSTS AND KEVELS MUST BE FILLED WITH GROUT. 2.

FOR TUBULAR CONNECTIONS.

PJP. FULL PENETRATION. 100% MT. USE AWS D1.1 ACCEPTANCE CRITERIA 1.

GENERAL SHEET NOTES

2'0 1' 4'

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