Attachment_3_-_Specifications.docx

SECTION TABLE OF CONTENTS DIVISION 05 - METALS SECTION 05 50 04

METALS: MISCELLANEOUS, STANDARD ARTICLES, SHOP FABRICATED ITEMS

PART 1 GENERAL

PART 2 PRODUCTS

PART 3 EXECUTION

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SECTION 05 50 04

1.1 SUMMARY

This section addresses the supply of steel shapes, plate, bars, pipe, reinforcing steel, and other miscellaneous items.

1.2 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.

ASTM INTERNATIONAL (ASTM)

ASTM A193/A193M (2014) Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications

ASTM A194/A194M (2014) Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both

ASTM A276 (2013; Rev A) Standard Specification for Stainless Steel Bars and Shapes

ASTM A53/A53M (2012) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A615/A615M (2014) Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement

1.3 SUBMITTALS

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.

SD-01 (G) Manufacturer Data and Fabrication Information:

The following items shall be submitted to the Contracting Officer for approval prior to award of contract for items listed in paragraphs 2.2.4 thru 2.2.13:

Manufacturer's Catalog Data: Data shall include catalog numbers, cuts, diagrams and drawings and such other descriptive data as may be required by the Contracting Officer in order to determine whether or not the materials comply with the contract requirements and their suitability for the specific application.

For the Aluminum Plank Grating and Clips in paragraph 2.2.6 and paragraph 2.2.6 - Detail Drawings: Detail drawings shall be submitted showing the dimensions, arrangements, and details.

SD-02 Shop Drawings

Delivery Drawings

These drawings shall provide descriptions of methods of delivering components to the site, including details for supporting fabricated components during shipping to prevent distortion or other damages.

Material lists shall be submitted to the Contracting Officer for review a minimum of 30 days prior to ordering materials. See Section 3.5 PACKING AND DELIVERY.

SD-06 Test Reports

MATERIAL TEST REPORTS

Material Certification testing shall be performed and reports shall be submitted for all items supplied under the contract. The reports shall include a description of material, specifications, chemical properties and mechanical properties of the material used to manufacture the contract parts. Information shall be included which renders the reports identifiable and traceable with the specific parts manufactured for the contract.

SD-07 Certificates

CERTIFICATION OF COMPLIANCE

Certificates of compliance shall be submitted for all items demonstrating compliance of materials with the specification requirements. The certificate(s) shall verify that the supplied material complies with the established standards for both the physical and chemical properties of the material specified. Each certification shall be signed by an official authorized to certify on behalf of the manufacturing company and shall contain the name and address of the contractor, the contract number and the quantity and date(s) of shipment or delivery to which the certifications apply.

1.4 DELIVERY, STORAGE, AND HANDLING

Delivery, handling, and storage of materials and fabricated items shall conform to the requirements specified herein. Protect materials from corrosion, deformation, and other types of damage. Store items in an enclosed area free from contact with soil and weather. Remove and replace damaged items with new items.

PART 2 PRODUCTS

2.1 MISCELLANEOUS METALS AND STANDARD METAL ARTICLES

Miscellaneous metal materials and standard metal articles shall conform to the respective specifications and other designated requirements. Sizes shall be as specified or shown. Where material requirements are not specified, materials furnished shall be suitable for the intended use and shall be subject to approval by the Government.

2.1.1 Metal Pipe

ASTM A53/A53M, Grade B, Type E, XX-Strong. Threads shall be NPT.

2.1.2 Reinforcing Steel

Reinforcing steel shall be ASTM A615/A615M, Grade 60, deformed, and conform to the size and bends shown on the bending schedule.

2.2 MANUFACTURED ITEMS

2.2.1 Stainless Steel Bolts, Nuts, and Washers

ASTM A193/A193M, Grade B8. UNC threads. Heavy hex nuts shall conform to ASTM A194/A194M, Grade 8. Washers shall be SS304.

2.2.2 Stainless Steel Threaded Rod and Nuts

ASTM A193/A193M, Grade B8. UNC threads. Heavy hex nuts shall conform to ASTM A194/A194M, Grade 8.

2.2.3 Turnbuckle Assemblies

Turnbuckle assemblies shall be a standard manufacturer's off-the-shelf product. Turnbuckles shall be a stainless steel jaw and jaw turnbuckle, ¾ inch-10 threads, 6 inch maximum adjustment. The turnbuckle assemblies shall conform to ASTM F1145, Type 1 and have a capacity rating of 5,200 lbs.

Basis of design for the turnbuckle assembly is McMaster Carr Part No.

3022T56.

2.2.4 Extruded Aluminum Frame for Grating

Extruded aluminum frame for embedment to support grating shall incorporate a recess under the horizontal bearing leg to receive hold down fasteners. Frame shall be aluminum extrusions of alloy 6063-T6, and have a continuous extruded anchor for embedment in concrete. The portion of the extrusion which is to be in contact with concrete shall be painted with a bituminous material. Basis for design: TF 1.75A as manufactured by Thompson Fabricating, LLC, of Birmingham, AL.

2.2.5 Aluminum Plank Grating

Aluminum plank grating shall be a solid surface, unpunched heavy duty plank grating with integral I-beams and a skid resistant walking surface. Supporting I-bars shall be spaced a maximum 1.2" on center. The grating shall be supplied in one piece for each of section of grating. If one piece grating is unavailable, multiple smaller width planks may be welded together. Welds shall be full length, and parallel to the bearing bar direction as to ensure bearing bears have full load capacity. Grating shall be made of 6063-T6 aluminum, mill finish, and have a depth of 1-3/4". Grating shall be banded around perimeter.

2.2.6 Plank Clips

Plank clips to secure the aluminum plank grating to the extruded frame shall be compatible with both systems. The fasteners shall be a standard product to secure the specified planking to the extruded frames. Material shall be per manufacturer's recommendations. Plank clips shall be installed prior to banding of the plank grating.

2.2.7 Epoxy Grout for Recess Anchors

Epoxy grout for above water anchors shall be a two-part, mixed at the nozzle grout with a designation for high load capacities. The epoxy shall be designated for anchoring reinforcing or threaded dowels into new or existing concrete. Containers shall be designed to accept a static mixing nozzle which thoroughly blend the components and allow injection directly into drilled holes. Basis for design: HIT-HY 200R, as manufactured by HILTI. The expiration date of the epoxy grout shall be at least 8 months after the delivery of the grout to the government.

2.2.8 Epoxy Grout for Underwater Anchors and Concrete Support Brace Anchors

Epoxy grout for underwater anchors and concrete support brace anchors shall be a two-part, mixed at the nozzle grout with a designation for use underwater and high load capacities. The epoxy shall be designated for anchoring reinforcing or threaded dowels into new or existing concrete. Containers shall be designed to accept a static mixing nozzle which thoroughly blend the components and allow injection directly into drilled holes. Basis for design: HIT-RE 500, as manufactured by HILTI. The expiration date of the epoxy grout shall be at least 8 months after the delivery of the grout to the government.

2.2.9 Swivel Hoist Ring - Protection Plate Assembly

Swivel hoist ring shall be a standard product manufactured by a single company. The swivel hoist ring shall be 316 stainless steel; with a working load limit of 7,500 lbs. The threaded portion of the mounting screw for the swivel hoist rings shall extend past the hoist assembly 3-1/2”. The swivel hoist ring shall be supplied with a stainless steel nut and washer to allow through-hole mounting of the swivel hoist ring. The basis of design for the swivel hoist ring is Actek Manufacturing and Engineering, Inc. Note that the ”E” dimension for the Actek swivel hoist ring shall be equal to 3-1/2”.

2.2.10 Expansion Anchors For Lifting Sawcut Concrete Blocks

Carbon steel with electroplated zinc. Anchors shall be ¾" diameter by 12" long minimum. Basis of design: Carbon Steel KWIK Bolt 3 Expansion Anchor, as manufactured by HILTI.

2.2.11 Expansion Anchors For Turnbuckle Pad eyes

ASTM A276, Type 304. Anchors shall be ¾" diameter by 10" long minimum. Basis of design: Stainless Steel KWIK Bolt 3 Expansion Anchor, as manufactured by HILTI.

2.2.12 Bolt Type Shackle

Forged, quenched and tempered, and galvanized with alloy pins. The nominal size shall be 1 ¼" with a working load limit of 12 tons and a pin diameter of 1 3/8". Basis of design: Crosby Bolt Type Shackle, G-2130 Stock #1019597.

2.2.13 Cofferdam Seal Material

Cofferdam seal material shall be a highly compressible neoprene material, and possess the characteristics shown below. Material dimensions shall be 2-1/2” thick by 7” wide.

Design basis for cofferdam seal material is product N4194 as manufactured by American Converters, Inc., Minneapolis, MN.

2.2.14 Neoprene Adhesive

Neoprene Adhesive shall be a fast drying and heat resistant for bonding neoprene to metal. Material shall meet FED Spec FS MMM-A-121 Adhesive shall be designed to be brushed on. Design basis: 3M Scotch-Weld Neoprene High Performance Rubber and Gasket Adhesive.

2.2.15 Alloy Steel Threaded Rod and Nuts

ASTM A193/A193M, Grade B7. UNC threads. Heavy hex nuts shall conform to ASTM A194/A194M, Grade 2H.

2.2.16 Headed Concrete Anchors (HCA)

Headed concrete anchors shall be a standard manufacturers item and be designed for connecting steel plate to concrete. Anchors shall conform to ASTM A108/A108M. Design basis: Nelson Stud Welding, S3L Shear Connectors.

2.3 TESTS, INSPECTIONS, AND VERIFICATIONS

Perform material tests and analyses certified by an approved laboratory to demonstrate that materials are in conformity with the specifications.

These tests and analyses shall be performed and certified at the Contractor's expense. Perform tests, inspections, and verifications conforming to the requirements of the particular sections of these specifications for the respective items of work unless otherwise specified or authorized. Conduct tests in the presence of the Contracting Officer if so required. Furnish specimens and samples for additional independent tests and analyses upon request by the Contracting Officer. Properly label specimens and samples and prepare for shipment. Submit certified test reports for materials with all materials delivered to the site.

PART 3 EXECUTION

3.1 FABRICATION

Material with welds will not be accepted, except where welding is definitely specified, indicated on the drawings, or otherwise approved. Bends, except for minor details, shall be made by approved dies, press brakes, or bending rolls. Where heating is required, precautions shall be taken to avoid overheating the metal and it shall be allowed to cool in such manner as not to destroy the original properties of the metal. Shearing and cutting shall be accurately done and all portions of the work shall be neatly finished. Cutting shall be done by saw, water-jet, or high definition plasma arc. Corners shall be square and true unless otherwise shown on the drawings. Finished members shall be free from twists, bends, and open joints.

3.2 WORKMANSHIP

All workmanship shall be of the highest grade in accordance with the best modern practices to conform to the specifications for the item to be furnished. All similar parts shall be interchangeable. All sharp edges and corners shall be broken. All holes shall be normal to the surfaces of penetration and shall be sized as indicated on the reference drawing.

All holes must be drilled.

3.3 FINISHED AND DRILLED SURFACES DIMENSIONS AND TOLERANCES

Tolerances for drilled and machine-finished surfaces designated by non-decimal dimensions shall be within +/- 1/64 inch unless otherwise noted on the drawing.

3.4 UNFINISHED SURFACES DIMENSIONS AND TOLERANCES

Unfinished surfaces shall be true to the lines and dimensions given on the drawing and shall be ground free of all projections and rough spots. Tolerances shall conform to industry practices. The cut dimensions of the structural steel items shall be + / - 1/16".

3.5 PACKAGING AND DELIVERY

The Contractor shall package and label all items in accordance with the Schedule of Prices heading that the items fall under. If items cannot be grouped into packages, individual items shall be labeled with the proper heading. For items with part numbers, the piece shall also be labeled with the associated part number.

3.6 SHIPPING.

The contractor shall deliver the ITEMS to the Pittsburgh Engineering Warehouse and Repair Shops (PEWARS) located at 3500 Grand Avenue, Neville Island, Pittsburgh, PA 15225-1584. Delivery of the items shall be VIA FOB DESTINATION NO LATER THAN FOUR (4) WEEKS AFTER DATE OF AWARD, between 0800 and 1530 hours Monday through Friday; excluding holidays

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