Attachment A - Purchase Description.pdf

Purchase Description for the

Columbia River Stern Mooring Buoy Assembly Portland, Oregon

Date: April 18, 2022

1.0 REFERENCES

1.1 REGULATIONS

COAST GUARD, DEPARTMENT OF TRANSPORTATION

46 CFR 164.018 Retroreflective Material for Lifesaving Equipment.

33 CFR 62.35 Mooring Buoys

DEPARTMENT OF DEFENSE

MIL-PRF-23236D Coating Systems for Ship Structures

MIL-PRF-22750 Epoxy Polyamide Coating

MIL-PRF-24667C Coating System, Non-Skid, For Roll, Spray, Or Self-Adhering Applications (22 May 2008)

NAVAL FACILITIES ENGINEERING COMMAND

Drawing 3050574 Buoy, Mooring Foam-Filled Polyurethane 11.5 Ft Class AAA

Drawing 3026376 Anodes, Corrosion Preventive, Fleet Mooring Chain Stud Link

FEDERAL

FED-STD-595 Colors.

VV-G-671 Grease, Graphite

TT-C-490E Chemical Conversion Coatings and Pretreatments for Ferrous Surfaces

(Base for Organic Coatings)

TT-E-489 Enamel, Alkyd, Gloss, Low VOCD Content.

1.2 NON-GOVERNMENT PUBLICATIONS

The following Non-Government Publications form a part of this purchase description to the extent specified herein.

AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

A123 Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products, Specification for.

A153 Zinc Coating (Hot-Dip) on Iron and Steel Hardware, Specification for

A36 Standard Specification for Carbon Structural Steel.

A519 GR4140 Seamless Carbon and Alloy Steel Mechanical Tubing.

A572 GR50 Standard Specification for High-Strength Low- Alloy Columbium-Vanadium Structural Steel.

B633 Electrodeposited Coatings of Zinc on Iron and Steel, Specification for.

C273 Shear Test in Flatwise Plane of Flat Sandwich Construction of Sandwich Cores, Methods For.

D1621 Compressive Properties of Rigid Cellular Plastics, Test Method For.

D1622 Apparent Density of Rigid Cellular Plastics, Test Methods For.

D1623 Tensile and Tensile Adhesion Properties of Rigid Cellular Plastics, Test Methods For.

D1630 Rubber Property-Abrasion Resistance (NBS Abrader), Test Method For.

D1667 Flexible Cellular Materials-Vinyl Chloride Polymers and Copolymers

(Closed Cell Vinyl), Specification For.

D2240 Rubber Property-Durometer Hardness, Test Method For.

D2244 Calculation of Color Differences from Instrumentally Measured Color

Coordinates, Method For.

D412 Rubber Properties in Tension, Test Methods For.

D6226 Open Cell Content of Rigid Cellular Plastics, Test Methods For.

E709 Standard Guide for Magnetic Particle Testing.

G53 Operating Light-and water-Exposure Apparatus (Fluorescent UV- Condensation Type) for Exposure of Nonmetallic Materials, Recommended Practice For.

AMERICAN SOCIETY OF MECHANICAL ENGINEERS

B18.2.1 Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and Lag Screws (Inch Series)

AMERICAN BUREAU OF SHIPPING

ABS 39 Guide for the Certification of Offshore Moorings Chain

AMERICAN WELDING SOCIETY (AWS)

D1.1 Structural Welding Code, Steel

STEEL STRUCTURES PAINTING COUNCIL (SSPC)

SSPC-PA-1 Shop, Field and Maintenance Painting.

SSPC-PA-2 Measurement of Dry Paint Thickness with Magnetic Gages.

SSPC-PA-3 Safety of Paint Application.

SSPC Paint 20 Zinc-Rich Coating Type II Organic

SSPC PS 42 Paint Specification No. 42, Epoxy Polyamide/Polyamidoam

SSPC-SP10 Near-White Blast Cleaning

SSPC-VIS1 Abrasive Blast Cleaned Clean Steel

AMERICAN PETROLEUM INSTITUTE (API)

5L Grade X52 Seamless Line Pipe

AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

AISC 325-11-11 Steel Construction Manual 14th edition

2.0 GENERAL

Supply one medium foam mooring buoy assembly, and deliver to the US Moorings, 8010 NW St.

Helens Rd. Portland, OR 97210. The mooring buoy assembly must include one 11.5 foot fleet mooring medium tension bar with a shipping cradle, one navigation light stand, one external radar reflector with mounting hardware, one quick release buoy hook with adapter, one 4 inch anchor bolt shackle, and one 76mm kenter-type joining link.

2.1 DELIVERY INFORMATION

All items must be delivered to the location specified in Section 2.0 no later than 90 calendar days after Contract Award.

3.0 BUOY REQUIREMENTS

The buoy must have a tension bar through the center with a minimum proof load of 800,000 pounds running the length of the buoy body, padeyes on each end, rigid and flexible foam interior, a nonskid surface topside, a polyurethane outer shell (colored white) for durability and flexibility, top toe and hand chafing rails with drainage, buoy hook shock pad, identification plate, reflective tapes, a navigation light stand, shipping cradle, and zinc anodes on the submerged part of the strength member for cathodic protection. The dimensions of the buoy are similar to the current medium foam tension bar buoy in use at US Navy Fleet Moorings and in inventory. Medium foam buoy dimensions and criteria is provided in Table I. The buoy must be manufactured to have a design life of 20 years. Proposed foam buoy design must meet or exceed all performance criteria stated in this section.

TABLE I

PARAMETERS 11.5-FOOT BUOY

Weight in Air 10,400 lbs

Net Buoyancy 39,000 lbs

Working Buoyancy (24” FB) 20,320 lbs

Proof Load on Bar (0.6 Fy) 600 kips

Working Load of Bar (0.3Fy) 300 kips

Diameter of Hull 11 ft 6 in

Length of Hull Overall 8 ft 9 in

Length of Tension Bar 13 ft I in

Height of Cylindrical Portion 5 ft 7 in

Height of Conical Portion 3 ft 2 in

Bar Thickness (top/bottom) 5/3.5 in

Top Padeye ID (top/bottom) 4.5/5 in

Shackle on Top 4 inch

Maximum Chain Size 4 inch

Min. Recommended Riser Wt 7,500 lbs

Riser Wt for 24” freeboard 18,680 lbs

Max. Recommended Riser W 21,264 lbs

Moment to Heel 1 deg

Min Riser Wt 1,183 ft-lbs

Max Riser Wt 2,910 ft-lbs

3.1 BUOYANCY REQUIREMENTS

3.1.1 Working & Net Buoyancy

The buoy must have a minimum working buoyancy of 20,320 pounds and a minimum net buoyancy of 39,000 pounds. Working buoyancy is the buoyancy available at a freeboard of 2 feet. Net buoyancy is the buoy’s total displacement minus the weight of the buoy.

3.1.2 Buoy Stability

With a minimum suspended riser load of 7,500 pounds on the lower tension bar padeye, the buoy must have a heel no greater than 2 degrees with two 200 pound people standing 6 inches from the edge of the buoy and the proposed 675 kip buoy hook with adaptor attached to the top tension bar padeye, all on the same side.

3.2 BUOY TENSION MEMBER

3.2.1 Strength

The primary strength member –

a. Must be a tension bar running the entire length of the buoy shell with 2 padeyes on each end.

b. Must be proof tested to at least 800,000 lbs

c. Must have a working load of at least 400,000 lbs.

d. Must be fabricated and structurally designed to meet the required proof test within allowable stress value in accordance with the latest edition of AISC Steel Construction Manual.

e. Plate stock for padeyes and boss plates must conform to ASTM A572 Grade 50, minimum.

f. Tension bar pipe must conform to API 5L X52 or equal.

g. Minimum pipe size must be 16-inch schedule 100.

h. Stiffener plates must be welded between deck plates and the tension member to withstand bending forces due to the buoy’s total available submerged buoyancy as well as its suspended weight in the horizontal direction.

i. Steel used in fabrication must be free from kinks, sharp bends, laminations, and other conditions which would be deleterious to the finished product.

j. Manufacturing processes must not reduce the strength of the steel

k. All bends must be made by controlled means to ensure uniformity of size and shape and be free from cracks and laminations.

3.2.2 Tension Member Fittings

a. The Padeye hole on both top and bottom tension bar padeyes must be sized to accommodate a removable abrasion resistant bushing of steel conforming to ASTM A519, Grade 4140.

b. The bushing must have a minimum thickness of 0.25-inches.

c. The bushings must be press fit into the end fittings after being cold shrunk.

d. The bushing must be heat treated to a hardness of 100 Rockwell minimum.

e. Bottom tension bar and tension bar padeye dimensions below the buoy hull must be as shown in Drawing 3050574, Attachment 1, to accommodate a 4-inch anchor bolt shackle.

f. Top tension bar and tension bar padeye dimensions above the buoy hull must be as shown in Drawing 3050574, Attachment 1, in order to accommodate a 4-inch anchor bolt shackle or the hook adaptor for a WCS 675 kip buoy hook.

g. The width of the top and bottom tension bar padeye at the shackle connection must be sized to provide a maximum cumulative gap of 0.5-inches between the bale of the shackle and the padeye by providing boss plates welded to the padeye on both sides as needed.

h. The top tension bar padeye must not allow the buoy hook to flip 180 degrees, so that the buoy hook is always lying on the buoy deck with the open side facing up.

i. Include 4 Fleet Mooring 4-inch zinc anodes, 2 each on both sides of the bottom tension bar in accordance with Drawing 3050574, Attachment 1, and Drawing 3026376-9, Attachment 2, attached with Hex Cap Screw conforming to ANSI B18.2.1 for a .375-16 UNC-2A Grade 5 Screw of Galvanized Steel

j. Tapped holes must be .375- 16UNC-2B with a minimum depth of 1-inch.

k. Holes must be located as shown in Detail 6-B and 8-B of Drawing 3050574, Attachment 1, sheet 3 and must be at least 2 inches below the top edge of the lower tension bar padeye that extends below any end caps or split ring plates.

l. The holes tapped in the lower fitting must be filled with graphite grease conforming to VV-G- 671, Grade 2 and stainless bolts must be installed to protect the threads prior to coating.

3.3 STEEL CORROSION PROTECTION

All steel, except stainless steel, the padeye wear bushings, and the inside of the main core weldment tension member, must be provided with corrosion protection. Corrosion protection must be designed by the Manufacturer and submitted to the Government for approval. Corrosion protection must be provided by galvanization or a coating system as per section 3.3.1. Corrosion protection shall be performed after successful completion of the tension member proof test as described in section 5.1.

3.3.1 Hot Dip Galvanizing

a. All steel items except the padeye wear bushings must be galvanized conforming to ASTM A123, Grade 100. Threaded bolts, screws, and plugs must fit counterpart threads after galvanizing.

Galvanizing must take place after all welding, weld inspections, and proof testing as required by this purchase description. All exposed steel parts, (parts not covered by foam and urethane) must be preconditioned with a coating conforming to TT-C-490E, Type III, and subsequently an epoxy-polyamide coating system must be applied in conformance with MIL-PRF-22750F or SSPC Paint Specification No. 42. Color of topcoat on external steel components must be white similar to Color Chip No. 27886 of Federal Standard No. 595.

b. An alternative coating system for exposed steel parts (parts not covered by foam and urethane) may be submitted to the Government for acceptance. The alternative coating plan must include proposed QC test plan to be performed during coating application.

3.3.2 Preparation, Application and Inspection of Coating System

Preparation of steel surfaces must be in accordance ASTM A123, Grade 100. Application of the coating system must be in accordance with the coating manufacturer’s instructions for application conditions and procedures and safety. Inspection of surface preparation and coating application and inspection must be in accordance with SSPC, (or equal) standards. The urethane shell must overlap the coating system on the ends by no more than 4 inches. The interface between the urethane elastomer and the core/tension member must be “feathered” or tapered.

3.4 WELDING

a . All welding must conform to the requirements of AWS D1.1.

b . Manufacturer must provide the services of an AWS Certified Weld Inspector (CWI) to oversee fabrication and testing of all welds.

c. The CWI must be responsible for assuring overall compliance with AWS D1.1.

d . Certificates of welder qualification and qualified welding procedures in accordance with AWS D1.1 and approved by the CWI must be submitted to the Government at least 5 days prior to any welding.

e . All welds must meet or exceed acceptance levels as dictated by AWS D1.1. Any welds not meeting or exceeding these levels must be repaired.

f. A repair procedure conforming to AWS D1.1 requirements must be submitted to the Government for approval prior to any rewelding.

g . Welding procedures must be in accordance with AWS D1.1.

h . The surface of parts to be welded must be free from rust, scale, paint, grease, or other foreign matter.

i . Weld specification, type and size must be in accordance with the manufacturer strength member’s design in accordance with section 3.2.1.

j. Welds between the tension member pipe and eye plate must be inspected by magnetic particle after proof loading in accordance with section 5.1.

k. The buoy manufacturer must perform steel fabrication and welding operations to prevent warpage of the deck plates.

3.5 FOAM

The hull portion of the buoy must be completely foam filled about the tension member. The characteristics of the foams must be as described in sections 3.5.1 and 3.5.2.

3.5.1 Rigid Foam

a . Rigid polyurethane foam must be a closed cell cross-linked foam formed around the tension bar and inside of the tension bar.

b. Rigid foam must meet the following properties as shown in Table II.

TABLE II

ITEM SPECIFICATION VALUE

a Core Density, As Fabricated

(ASTM D1622)

3.5 to 4.5 lbs./ft3 b Tensile Strength (ASTM D1623) 70 psi Minimum c Shear Strength (ASTM C273) 30 psi Minimum d Water Absorption (ASTM D2842) 0.05 lbs./ft2 Maximum e Compressive Strength (ASTM

D1621) Perpendicular to Foam Rise Parallel to Foam Rise

Stress at 8% deformation

26 psi, Minimum 50 psi Minimum f Closed Cells (ASTM D6226) 90% Minimum

c. The bond between the rigid interior foam and the tension bar must be equal to or greater than the rigid foam shear strength.

d . The cast rigid interior foam core must have a smooth exterior surface before application of the flexible foam.

e. Voids on the surface exceeding one cubic inch must be patched with additional rigid foam prior to application of the flexible foam.

f. Application of rigid foam must be performed without cutting of permanent holes in the top deck plate.

3.5.2 Flexible Foam

a . Flexible polyurethane foam must be formed around the rigid foam.

b. The flexible foam surrounding the rigid foam core must be closed-cell, chemically cross-linked polyethylene foam of the characteristics listed in Table III.

TABLE III

ITEM SPECIFICATION VALUE

a Density (ASTM D1667) 3.5 to 4.5 lbs./ft3 b Tensile Strength (ASTM D412) 60 psi Minimum c Tear Resistance (ASTM D624) 16 lbs./in Minimum d Elongation (ASTM D412) 100% Minimum e Water Absorption (ASTM D1667) 0.2 lbs./ft2 Maximum f Compressive Strength (ASTM D1667) 16 psi Minimum at 40%

Deformation

c. The minimum thickness of the flexible foam surrounding the rigid foam must be 6 inches along the sides of the hull and 3 inches along the sides of any peg-top shaped bottom portion of the hull.

d . The flexible foam must be a homogeneous construction and must not be in chip or granular form, neither loose packed nor bound with a discontinuous filler material.

e. The flexible foam interior must adhere uniformly to the rigid foam and be free from cracks, tears, holes and voids.

f. The bond between the flexible foam and the rigid interior foam must be equal to or greater than the tear strength of the flexible foam.

g. The bond between layers of flexible foam must be equal to or greater than the tear strength of the flexible foam.

h. The ends or edges of the flexible foam adjacent to the urethane elastomer shell must be “feathered” or tapered to prevent a vertical dimple or depression along a line on the outer urethane shell.

3.6 URETHANE SHELL

a. The entire polyurethane shell of the buoy, encasing the entire foam buoy and onto the steel portion of the internal core must be a nylon filament-reinforced PTMEG aromatic elastomer. The elastomer and filaments must be applied in a continuous manner to assure adhesion between the various layers. There must be at least 1 wrap for every 0.116 in (2.9 mm) of skin thickness (rounded to the nearest complete wrap). The outer 10% of the elastomer shell must have no filament reinforcement. The polyurethane shell of the buoy must be made white by pigment addition with ultraviolet inhibitors and have the following cured properties listed in Table IV.

TABLE IV

ITEM SPECIFICATION VALUE

Color White a Shore A Hardness (ASTM D2240) 75 to 85 b Tensile Strength (ASTM D412) 2500 psi Minimum c Tear Strength (ASTM, D624) 185 lbs./in

Minimum d Elongation (ASTM D412) 300% Minimum e Compressive Strength 16 psi Minimum at

40% Deformation f Abrasion Resistance (ASTM D1630) 100 Minimum g UV-B Light-Water Exposure – 36 hours

(ASTM G154 Cycle 4) Delta E (ASTM, D2244) must not exceed .75

b. The polyurethane skin reinforcement is to be constructed of continuous spun nylon filament wraps.

Each nylon filament is to be of 2,520-dernier nominal weight, 52 pound minimum break strength and ultimate elongation of 16%. Construct each filament-reinforcing wrap of continuous filaments in a helical pattern, at a helix angle of 45 degrees to 60 degrees to the longitudinal axis of the fender. The spacing between the filaments in the same helix must be no more than 0.125 in (3.2 mm), measured in a direction parallel to the longitudinal axis of the buoy. Each wrap must extend along the entire longitudinal axis of the buoy and must also encircle and encase the buoy.

c. The white color of the outer shell must be similar to Color Chip No. 27886 of Federal Standard No.

595, must be uniform throughout the thickness of the polyurethane shell and remain white after ultraviolet exposure for the 20 year design life of the buoy.

d. The urethane shell must be free from cracks, warpage, or blistered surfaces and must have a smooth surface. There must be no flaws which adversely affect the function of the shell. Surface marks or flaws must not exceed one percent of the surface area or 0.125 inch in depth, length, or width. Surface grinding must not be used to remove flaws below the surface of the urethane skin.

The buoy must have a smooth exterior surface.

e. The urethane shell must have an average thickness of 1-inch with a minimum thickness of 0.75- inch inch. No more than 5 percent of the buoy outer shell must be less than 0.875-inch.

f. The polyurethane shell must be sealed to the tension member. The method of sealing the polyurethane shell to the tension member must be submitted to the Government for approval.

3.7 BUOY DIMENSIONS, CENTER OF GRAVITY AND WEIGHT CHECKS

a. The buoy diameter must be a minimum of 11.5 feet. The length of the tension member external to the shell must be sized to insure 180 degree rotation of the specified connecting components (90 degree rotation about the longitudinal direction on both sides of the tension bar member) and to provide sufficient space for installation of replacement zinc anodes performed by divers.

b. The location of the buoy’s center of gravity must be along the center of the tension bar member and the vertical location of the center of gravity must be below mid shell height. This location of the buoy’s center of gravity excludes the connecting hardware to the tension bar padeyes as well as navigation light.

c. The buoy weight must be recorded at four stages: (1) Core weldment prior to application of rigid foam; (2) After application of rigid foam, prior to application of flexible foam; (3) After application of flexible foam; and (4) After final completion.

3.8 TOP DECK TOE AND HAND RAILS

a. A toe and hand rail must be provided on top of the buoy. The toe rail must be 12 inches from the outer shell. The hand rail must be 24 inches from the center of the tension bar. Drainage holes or gaps must be provided within the rails small enough to keep the mooring line from settling in the gap or space and large enough to keep from getting crushed by the mooring line. The rails must be structurally secured to the internal steel top plate and the connections between the toe rail and the internal steel top plate sealed to prevent water intrusion. The toe rail must also be bonded to the outer urethane shell. The color of the toe rails must be black throughout its thickness, conforming to Color Chip No. 17038 of Federal Standard No. 595.

b. At the location on the top deck of the buoy where the proposed buoy hook will come into contact with the deck, a D-fender softener (hook pad) will be structurally secured to the deck of the buoy in a similar manner as the rails. A doubler plate must be welded onto the underlying top deck steel plate to reinforce this area. Portions of the toe and/or hand rails that would be below the buoy hook and come into contact with the buoy hook must not be installed in this area.

3.9 NON-SKID DECK COVERING

A rollable, polyurethane base, resilient nonskid deck covering, color black, conforming to MIL-PRF-24667C must be applied to the buoy deck to within 6 inches of the buoy’s edge. The covering must be applied so as to achieve an aggressive texture. The covering must be applied in accordance with the manufacturer’s instructions for application over elastomeric products, and so that the surface of the covering presents a uniform appearance without ridges or troughs. The nonskid deck coating must be a deck gray, similar to Color Chip No. 36076.

3.10 REFLECTIVE TAPE

a. The buoy must have a 6-inch wide reflective tape band permanently bonded to the urethane shell approximately 1.5 feet below the top deck encompassing the diameter of the buoy. The reflective tape must conform to USCG 46 CFR Part 164, Subpart 164.018, Type II retroreflective material with a daytime color or silver and a reflected color of white.

b. The buoy must have a 6-inch wide blue band, bonded to the urethane shell approximately 2.5 feet below the top deck encompassing the diameter of the buoy. The design basis for the blue band is

3M Scotchlite, Series 680, PN79985.

c. The reflective tapes must be free of cracks, wrinkles, ragged edges, and foreign matter. The urethane surface should be made tacky by preparing it with a compatible solvent, and then the tape should be immediately applied. The manufacturer must apply the tape in such a manner as to ensure a secure bond with the urethane. Wrinkles, blisters, or other separations must not exceed one percent of the tape surface area.

3.11 NAVIGATION LIGHT STAND

A navigation light stand compatible with the Carmanah M650 must be provided to attach a navigation light to the buoy above the toe rail level and at a location just inside of the toe rail on the side opposite where the buoy hook will be positioned at rest. The navigation light stand must be partially or totally removable from the base plate. The deck of the buoy must be sealed around the light base to prevent water intrusion.

3.12 IDENTIFICATION PLATE

The buoy must have an identification plate with stamped or engraved characters to a minimum depth of 0.015 inches. Identification plate information must be similar in content as shown in Attachment

3. Identification plate material may be any standard grade commercial sheet brass of 0.125 inches minimum thickness. Characters must be filled with black enamel in accordance with TT-E-489, type optional. The location of the identification plate must allow the identification plate to be completely visible with top jewelry is attached to the buoy. The Manufacturer must propose a suitable attachment method for the identification plate to the strength member on the topside of the buoy.

Information required to be provided in the identification plate is; (1) Buoy maximum diameter and overall height; (2) Maximum tension bar load; (3) Weight in air; (4) Working buoyancy; (5) Manufacturer, date and month of buoy manufacture and serial number; and (6) Manufacturer’s design drawing. A representative identification plate is shown in Attachment 3 for guidance. The identification plate must also include the upper sentence “ACOE PORTLAND DISTRICT” and lower sentence “DO NOT PAINT”. The second sentence must state “BUOY MOORING, TENSION

BAR 200 TONS WLL.”

3.13 SHIPPING CONTAINER OR CRADLE

a. The foam buoy must be placed in a suitable shipping container or cradle of substantial construction suitable for commercial transport by the chosen carrier(s). The container must maintain the shape of the buoy without crushing the body. The container must be accepted by the Government prior to shipping the buoy.

b. The shipping container or cradle must not be used to lift the assembly. Protect the buoy’s coating system and urethane hull from damage during shipping, using recyclable materials, where possible.

3.14 STENCILING

Stenciling in 6-inch black letters of the designated buoy identification must be provided at 2 locations on opposite sides of the buoy at a location above the upper reflective tape band. The stencils must be black letters of 6 inches in height. See Attachment 4 for an example of the USCG approved reflective tape and stenciling plan for the stern mooring.

4.0 BUOY ACCESSORIES

4.1 QUICK RELEASE HOOK

Provide one Washington Chain and Supply 675 kip Quick Release Hook with adaptor.

4.2 JOINING LINK

Provide one 76mm Kenter-Type Joining Link. The Kenter-Type Joining Link must conform to ABS R3 or R4 guidelines in the ABS Guide for the Certification of Offshore Mooring Chain.

4.3 ANCHOR BOLT SHACKLE

Provide one 4 inch Anchor Bolt Shackle. The Anchor Bolt Shackle design basis is the Crosby G-2140, MARQUIP 210, or equivalent.

4.4 RADAR REFLECTOR

Provide one external radar reflector. The design basis for the radar reflector is the Echomaster 152.

Provide mounting hardware to attach the radar reflector to the buoy navigation light stand. The mounted radar reflector must not interfere with an attached navigation light. Provide instructions for the mounting of the radar reflector to the navigation light stand.

4.5 ZINC ANODES

Provide 4 Fleet Mooring 4-inch zinc anodes attached with Hex Cap Screws conforming to ANSI B18.2.1 for a .375-16 UNC-2A Grade 5 Screw of Galvanized Steel.

5.0 BUOY TESTING

5.1 TENSION MEMBER PROOF TESTING

a. The tension member must be subject to a tensile test load of 800,000 pounds for not less than 5 minutes. Visually noticeable permanent deformation of the steel hardware must be considered failure of the test. The welds between the tension member pipe and eye plate must be tested by magnetic particle in accordance with AWS D1.1 and ASTM E709 after proof testing and prior to the application of corrosion protection. Acceptance levels will be as dictated by AWS D1.1 for tubular structures. Welds which fail the strength test must be rewelded and retested, not more than twice in any one weld, until successfully passing the strength test. As part of the tension member proof test report, the manufacturer must submit to the Government a test certification stating that the tension member has successfully completed the strength test and the welds have passed the magnetic particle examination in accordance with requirements. The proof test report must be submitted to the Government for approval. Instruments used to record and measure proof test loads must have current calibrations in accordance with the appropriate ASTM standards. A copy of the instrument calibration must be provided as part of the proof test report.

b. The proof test must be performed prior to application of corrosion protection and filling of the inside of the tension bar pipe with rigid foam. Prior to filling of the tension bar with rigid foam, weld two cover plates on both ends of the tension bar pipe. Seal the pipe using standard pipe plugs that are either fully recessed into the cover plates or the heads of the pipe plugs does not interfere with full rotation of the proposed buoy hook or hook adaptor.

5.2 RIGID FOAM RETAINS

Test coupons of the rigid foam used to manufacture the buoy must be identified by buoy serial number and retained by the manufacturer for testing. The coupons must be submitted to an independent laboratory for physical testing to verify conformance with section 3.5.1 and Table II. The certified test results are to be submitted to the Government representative for approval.

The test coupons must conform to the size requirements of the applicable standard test method identified in Table II. The test coupons must be taken from liquid foam collected during the forming of the rigid foam.

5.3 FLEXIBLE FOAM RETAINS

The manufacturer must provide a certificate of compliance stating that the flexible foam used for the buoy is in compliance with all requirements of section 3.5.2 and Table III. This certificate must be submitted to the Government representative prior to use of the flexible foam in buoy construction.

5.4 URETHANE ELASTOMER RETAINS – PHYSICAL PROPERTIES

Test coupons of the urethane elastomer used to manufacture each buoy must be identified buoy serial number and retained by the manufacturer for testing. The coupons must be submitted to an independent laboratory for physical testing to verify conformance with section 3.6 and Table IV, properties a through e. The certified test results are to be submitted to the Government representative for approval and must include a manufacturer’s certification that the coupons, shell sections, and seam were cured in accordance with the manufacturer’s standard process.

5.5 URETHANE ELASTOMER RETAINS – ABRASION AND

ULTRAVIOLET (UV) ANALYSIS

Test coupons of the urethane elastomer used to manufacture the buoy must be tested to verify conformance with Table IV, properties f and g. The coupons must undergo the same cure as the corresponding hull piece. The coupons must conform to applicable ASTM dimensions and be identified by buoy serial number and submitted to an independent laboratory for physical testing.

The certified test results are to be submitted to the Government representative for approval. The UV test must consist of 8 hours ultraviolet exposure at 70 degrees centigrade alternating with 4 hours condensation at 50 degrees centigrade for a total of 36 hours. Color change will be evaluated in accordance with the requirements and procedures identified in Table IV, property g.

5.6 BUOY WEIGHT MEASUREMENTS

The buoy must be weighed at 4 stages of the manufacturing in accordance with section 3.7. A certificate of conformance containing all measured weights, including the final weight of each finished buoy must be submitted to the Government representative within one week of completion of manufacturing as part of the manufacturer’s certificate of compliance.

I nstruments used to weigh the buoy must have current calibrations in accordance with the appropriate ASTM standards. A copy of the instrument calibration must be provided as part of this certificate of conformance.

5.7 COATING MEASUREMENTS

For all applied coatings, wet film thickness gages may be used to verify coating thickness during application of the coating. The dry film thickness of the coating must be determined by magnetic gaging as specified in SSPC-PA-2. Dry film thickness of the coating system to include location and quantity taken, must meet the requirements of the accepted coating system.

Submit test results to the Government.

5.8 URETHANE SHELL THICKNESS MEASUREMENT

The urethane shell thickness must be verified using an ultrasonic thickness gage. Alternative test methods must be identified in the proposal. The proposal must demonstrate that the alternative method is accurate, repeatable, and nondestructive. For ultrasonic gauges measurements, the shell thickness readings must be recorded at eight equally spaced positions about the circumference per each vertical foot of a cylindrical section, and at eight equally spaced positions about the circumference per each vertical half foot of height of any conic section. The thickness of the buoy deck must be measured at eight equally spaced locations about the axis of a buoy, each with measurements at a radius of 1 foot increments starting at 3 feet from the buoy axis. The average thickness of the skin is defined as the arithmetic mean of these readings on the cylinder, cone and deck. For all thickness readings less than 0.875 inches, at least four additional readings must be taken about the low reading. The additional readings must be equally spaced about the low reading at a radius of not greater than six inches. All readings less than 0.875 inches must have additional readings about it until the area of shell less than 0.875 inch is defined. The Government reserves the right to request additional tests at a location of their choice. The recorded readings must be submitted to the Government.

6.0 QUALITY ASSURANCE PROVISIONS

6.1 RESPONSIBILITY

a. The Manufacturer is responsible for the performance and compliance of all inspection requirements as specified herein and as developed and proposed by the Manufacturer. Except as otherwise specified in the contract or purchase order, the Manufacturer may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in this specification where such inspections are deemed necessary to assure the buoy conforms to prescribed requirements.

b. The absence of any inspection requirements in the specification does not relieve the Manufacturer of the responsibility of ensuring that the finished buoy submitted to the Government for acceptance complies with all requirements of the contract.

c. The Manufacturer must permit inspection of their facility and manufacturing process and testing by the U.S. Government or U.S. Government representative at any time during the period of performance.

6.2 QUALITY PLAN

Develop a Quality Control Plan (QCP) for the production of the buoy. Provide and maintain a QCP which will assure that the finished buoy assembly submitted to the Government for acceptance conforms to contract requirements whether manufactured or processed by the manufacturer, or procured from subcontractors or vendors.

7.0 PACKAGING, SHIPPING, AND DELIVERY

a. Package the buoy in the approved cradle/container, package all other buoy assembly items as required, and deliver to the location specified in Section 2.0. All items greater than 100 pounds must be packaged in a manner compatible with relocation by a forklift. Adhere to all federal, state, or local regulations for transportation of the buoy assembly from manufacturer(s) to its specified destination. The buoy assembly must be delivered between Monday and Thursday from 0630 to 1600. Arrangement and scheduling of delivery must be coordinated through the Contracting Officer’s Representative (COR).

b. The packaging and marking for all chain and accessories must be per ABS “Guide for the Certification of Offshore Mooring Chain”, latest version, and this Product Description.

8.0 SUBMITTALS AND NOTIFICATIONS

8.1 PROJECT SCHEDULE

a. Within 15 days of Contract Award, submit a Project Schedule with milestone dates for submittals, design, fabrication, anticipated dates of receipt of items from manufacturers and/or date of completion of manufacturing for items made in-house, ship date, and delivery date. More detailed schedules of fabrication and testing will be included in other submittals. Update the Project Schedule throughout the life of the contract.

b. Notify the COR by email at least 7 days prior to delivery or shipment. Shipped items must have a tracking number and the tracking number must be provided to the COR upon creation.

8.2 QUALITY CONTROL PLAN

The Contractor, not the Government is responsible for quality control actions necessary to meet the quality standards set forth by the contract. Within 21 days of Contract Award, submit a Quality Control

Plan (QCP) for approval by the Government. Include the manufacturer’s quality control plan(s) for the Buoy, Buoy Hook, and adaptor as part of the Contract Quality Control Plan. In the plan, identify the Quality Control Manager(s) in charge of the implementation of the quality control plan for each manufacturer. The Government reserves the right under the Contract Terms and Conditions-- Commercial Items (FAR 52.212-4) to inspect and test the services called for by the contract, to the extent practicable at all times and places during the term of the contract. If the COR discovers deficiencies and/or receives complaints, the COR will alert the Contractor for correction. Non-conforming services shall be rejected.

8.3 PRELIMINARY BUOY DESIGN

Within 21 days of Contract Award, submit a Preliminary Buoy Design (PBD), containing:

a. Overall dimensions including buoy shape, diameter(s), hull height, overall buoy length.

b. Estimated buoy displacement, buoy weight, net buoyancy.

c. Estimated freeboard at the required working buoyancy.

d. Shell thickness.

e. Rigid and flexible foam dimensions and volumes.

f. Product data sheets for rigid and flexible foam, PTMEG aromatic elastomer, nylon reinforcement.

g. Tension member pipe specification sheet.

h. Proposed galvanization plan and source.

i. Proposed method to seal the outer shell to the tension member.

j. Proposed proof testing facility.

k. Proposed buoy fabrication and tension bar proof testing schedules. The schedule must include the following milestones, production steps, or submittals, at a minimum.

1. Fabrication of the buoy’s strength member

2. Proof testing of the buoy’s strength member.

3. Application of corrosion protection.

4. Application of rigid foam.

5. Application of flexible foam.

6. Application of the urethane shell.

7. Packaging and preparation of buoy for shipment.

8. Buoy ready for shipment.

9. Test submittals.

l. Proposed procedures to prevent warpage of the deck plates.

m. Proposed welding specifications, plan and procedures for the buoy’s steel weldment, including certificates of welder qualifications and qualified welding procedures approved by the Certified Welding Inspector. Should it be necessary, a repair procedure must be submitted for approval prior to any rewelding.

n. Flexible foam certificate of compliance.

o. Proposed coating plan.

p. Schematic of the buoy outline

Upon acceptance of the PBD, fabrication of the buoy’s steel weldment can commence.

8.4 BUOY DESIGN

Within 60 days of Contract Award, submit a final Buoy Design Package (BDP) of the proposed buoy including the following information:

a. Overall dimensions including buoy shape, diameter(s), hull height, overall buoy length.

b. Buoy displacement, buoy weight, net buoyancy and freeboard/draft calculations.

c. Buoy stability analysis and calculations.

d. Buoy Strength member specification, design and structural calculations.

e. Welding material type, specification, size, design and structural calculations.

f. Qualified welding procedures, welder qualifications and weld inspection.

g. Rigid foam, flexible foam and urethane shell dimensions, volume calculations and application.

h. Design weight calculation for the buoy at the 4 weight intervals as described in section 3.6.

i. Product data sheets for selected rigid and flexible foam, PTMEG aromatic elastomer, and nylon reinforcement.

j. Coating system design to include surface preparation, coating application and coating inspection.

k. Buoy container/cradle design, packaging, lift plan and overall shipping weight and dimensions.

l. Design and procedures to seal the urethane hull to the buoy strength member.

m. Design and procedures to prevent warpage of the deck plates.

n. Navigation light stand design.

o. Reflective tape specification data sheets.

p. Identification plate design, information, attachment, and location.

q. Buoy design drawings.

r. Buoy hook adaptor design.

Upon acceptance of the BDP, proof testing of buoy tension members can commence.

8.5 BUOY CERTIFICATE OF COMPLIANCE

Submit a certificate of compliance (CoC) for the buoy 15 days prior to the ‘ready for shipment’ date identified in the Buoy Schedule. Provide the following information, in addition to the manufacturer's signature and statement of its conformance to all contractual requirements:

a. Manufacturer’s serial number and other data stamped on the buoy identification plate.

b. Material certifications and chemical composition.

c. Accepted Buoy Design Package.

d. As-Built buoy drawings.

e. Processes, examinations, tension bar proof tests, material tests and other tests to include dates executed as required in sections 3.0 and 5.0 of this Purchase Description.

f. Testing machines, used to verify conformance including serial numbers, manufacturer, and date of calibration.

g. Non-Destructive Tests and other manufacturer’s Quality Control tests for tension bar weldment welding operations.

h. Qualified weld procedures and welder’s qualified welders records.

i. Galvanized coating manufactured test reports.

j. Other buoy manufacturer test or inspection reports.

k. Signatures of both the Government site representatives and manufacturer quality assurance personnel for the witnessed tests and required examinations.

Upon acceptance of the CoC, the buoy can be prepared for shipment and shipped.

8.6 BUOY ACCESSORY PLAN

a. Within 21 days of Contract Award, submit a Production and Testing Schedule for the buoy hook and hook adaptor.

b. 15 days prior to the ‘fabrication date’ identified in the submitted Production and Testing Schedule submit the Material Certifications.

8.7 BUOY ACCESSORY MANUFACTURER’S DOCUMENTATION

Submit proof tests for the buoy hook assembled unit and the shackle, and certification that the items are domestic. Submit ABS Certificate for ABS R3 or R4 items. For any Crosby items, submit a Crosby Certificate of Conformance. Submit copies of material certifications, proof tests, and/or documentation reports for the buoy hook, hook adaptor, joining link, and anchor bolt shackle in accordance with the specification that the item was produced to. Material certifications must be submitted to the Government prior to fabrication. Test reports must be submitted to the Government prior to shipment.

8.8 WARRANTY

In addition to any standard warranty, provide an extended buoy manufacturer warranty of 5 years from defective materials and workmanship, ultra-violet degradation of the outer urethane shell, foam disintegration, as well as delamination, deformation or separation of the urethane shell from any internal component not caused by Government/Port misuse or impact damage from a moving or moored vessel. The warranty must include that the repair of the buoy will be at a suitable location at a Contractor arranged shore location near the affected buoy, at the manufacturer’s factory, or at the Columbia River in-water mooring site as needed. The Government/Port would transfer the buoy to shore if repairs are required to be performed ashore. Repairs requiring the buoy to be shipped to the factory, as well as return shipment to the US Moorings are the responsibility of the Contractor.

9.0 CONTRACT ADMINISTRATION

The Contracting Officer’s Representative (COR) is anticipated to be:

Jessica L. Kettelkamp, (503) 314‐9269, Jessica.L.Kettelkamp@usace.army.mil

9.1 DAMAGES CAUSED BY THE CONTRACTORS

Contractor will be held accountable and liable to the Government for any damages to government facilities, fixtures, furnishings, equipment, or grounds caused by the Contractor or their employees.

9.2 INTERFERENCE WITH GOVERNMENT OPERATIONS

Contractor and their employees must perform all work in such a way as to not interfere with regularly scheduled Government operational activities, including other Contractors working on site. A vehicular access path must remain available for use from the facilities to the U.S. Moorings exit.

9.3 SECURITY

All Contractor employees, including subcontractor employees, who are not in possession of the appropriate clearances and training, will be escorted in areas where they could potentially be exposed to classified or sensitive materials and in sensitive or restricted areas.

9.4 SAFETY AND ENVIRONMENTAL REGULATIONS

Follow all safety regulations as set by OSHA, Corps of Engineers Safety Manual EM 385‐1‐1 and project safe clearance procedures. Where conflicts in safety regulations occur, the onsite COR will designate the applicable regulation to be followed. Wear personal protective equipment as required in accordance with EM 385‐1‐1. The online link to the 2014 Corps of Engineers Safety Manual EM 385‐1‐ 1 is as follows: http://www.publications.usace.army.mil/USACE‐Publications/Engineer‐Manuals/.

9.4.1 Accidents

Report to the COR any circumstances of needed repair of the facility or unusual soiling of any area which may affect the performance of the work as well as any unhealthful or hazardous conditions or any delays or interference with the work caused by the employees or the Government.

9.5 INVOICE SUBMITTAL

Provide notice to the COR prior to submitting the invoice. Prepared invoices must be sent via email to the COR and Contracting Specialist as well as to the following:

Email invoice to the Finance Center at: CEFC‐G2INVOICES@USACE.ARMY.MIL

Or, send original to:

US Army Corps of Engineers, Finance Center Attn: CEFC‐AO‐P 5722 Integrity Drive Millington, TN 38054‐5005

9.6 CONTRACT CHANGES

Changes in scope, time, or deliverables can only be authorized by the Contracting Officer (KO). The Contractor must notify the Contracting Officer (KO) immediately if they have received direction to perform work outside the scope of the contract. Changes in scope will be negotiated and a written modification issued, before proceeding with the work. Only a warranted Contracting Officer (KO) or Procuring Contracting Officer (PCO) has the authority to issue modifications or otherwise change the terms and conditions of this contract. If an individual other than the Contracting Officer (KO) attempts to make changes to the terms and conditions of this contract, the Contractor must not proceed with the change and must immediately notify the Contracting Officer (KO).