N0016718Q0009_A0002_Davit_Amendment.pdf

1300665351

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83)

Prescribed by GSA

FAR (48 CFR) 53.243

This solicitation is amended to incorporate changes to the specif ication paragraphs 3.5, 3.6, and 3.10.6.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 10

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 25-May-2018

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X N0016718Q0009

X 9B. DATED (SEE ITEM 11)

30-Apr-2018

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

25-May-2018

CODE

NAVAL SURFACE WARFARE CENTER CARDEROCK

LITTLE CREEK OFFICE

2600 TAWANA COURT

VIRGINIA BEACH VA 23459

N00167 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

N0016718Q0009

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 1449 - CONTINUATION SHEET

The following have been modified:

DESCRIPTION AND SPECIFICATIONS

PASSIVE HEAVE COMPENSATED DAVIT (PHCD)

DESCRIPTION AND SPECIFICATIONS

1 SCOPE

Design, build, test, document, and deliver a prototype and production PHCD’s with associated components and data.

A prototype will be procured for testing and evaluation prior to procurement of the production models.

1.1 Post Award

A Post-Award Conference shall be scheduled by the Contractor no later than two weeks after the contract award.

The Post-Award Conference shall be held between the Contractor and Government representatives by phone. Topics will include, but not be limited to, documentation review, the Contractor’s understanding of the technical requirements, and production/delivery schedule.

1.2 Design Review

A Design Review shall be scheduled and held by phone and/or web conferencing between the Contractor and

Government representative(s). The Design Review shall be scheduled at a mutally agreeable time for the Contractor and the Government to minimize disruptions to production schedule. The intent of the Design Review is to evaluate the Contract’s progression and discuss any issues pertaining to this order.

1.3 Documentation Deliverables

1.3.1 Technical Data Package (CDRL A001)

The contractor shall provide a complete Technical Data Package (TDP) for the prototype PHCD and for the production PHCD. Each TDP will include as a minimum: As-built drawings; a detailed Bill of Materials (BOM);

commercial off-the-shelf (COTS) manuals; maintenance manuals; structural analysis; and warranty information for the davit and its component parts. Unless otherwise stated, the contractor shall submit a Draft TDP to the

Government for review at least thirty (30) days prior to delivering the prototype PHCD and at least thirty (30) days prior to delivering the first production PHCD. The Contractor shall incorporate Government comments into the

Final TDP that is to be delivered with the prototype PHCD, and into the Final TDP that is to be delivered with the first production PHCD. TDPs shall be submitted on Compact Disk or via electronic transfer in Adobe PFD format unless otherwise directed in writing by the Contracting Officer.

1.3.1.1 Drawings

Drawing level of detail shall be sufficient for acceptance, operation/training, maintenance, repair, modification and supply support. Drawings shall include but not be limited to: Arrangements; structural arrangements that define the construction including detailed drawings for fitting foundations as applicable; electrical, electronics, and mechanical systems drawings; hoisting/handling drawings. Electrical and electronics drawings and schematics shall be in accordance with the IEEE-45 section 1.4. Drawing types may be combined when practical to do so. Drawings shall be prepared in accordance with the guidance of ASME Y14.100 series. Drawings shall include the Contract Number above the title block.

Drawings shall document directly or reference the following details of processes in regards to design and manufacturing:

a) Performance Ratings.

b) Dimensional and Tolerance Data.

c) Physical Characteristics.

d) Details of Material Identification Including Heat Treatment And Protective Coatings.

Drawings shall be provided in DWG/DXF format and Adobe PDF format.

1.3.1.2 Bill of Materials (BOM)

The Bill of Materials (BOM) shall contain as a minimum the following:

1. Item number (referenced by callout or find number to each material item shown on the drawing)

2. Name of OEM

3. OEM CAGE Code

4. OEM part number

5. Builder part number (if applicable)

6. Quantity

7. Nomenclature/Description

8. NSN (if applicable)

9. Comments

1.3.1.3 Manuals

1. Commercial off the shelf (COTS) Technical Manuals and Documentation:

The Builder shall provide all available OEM documentation, including installation, operation, and maintenance manuals, service parts lists, catalog ‘cut’ sheets, and supplemental data for each piece of equipment or component installed on the PHCD. The information shall include assembly and disassembly instructions with comprehensive illustrations showing each step, recommended planned maintenance, complete troubleshooting procedures, basic operating characteristics (such as temperatures, pressures, flow rates, etc.), installation criteria and drawings, complete illustrated parts lists, and operating and maintenance instructions. Where commercial information covers more than one (1) model or variant, that information which is applicable to the installed equipment shall be clearly indicated and modified as necessary to completely and accurately reflect the specific equipment used on the PHCD.

2. PHCD Maintenance Manual:

The builder shall develop and provide a maintenance manual. The maintenance manual shall be written to a level of detail sufficient for maintenance, repair, and supply support.

1.3.1.4 Structural Analysis

The Structural Analysis shall be clear and complete. No steps shall be skipped or presumed. Any descriptive information needed to completely describe the calculations and their methods shall be included. For repetitive calculations, a full example calculation describing methodology, assumptions and any additional descriptive information shall be included. Subsequent repetitive calculations may be placed in a matrix or tabular form that includes all inputs and outputs to these calculations. All analysis shall be submitted in the native electronic format.

Calculations shall be clear and complete and include the following:

1. Clear, complete and concise assumptions presented in a neat, legible manner.

2. Any necessary diagrams to fully describe the design and its associated calculations.

3. Pertinent information from all references, standards and guidelines cited including appropriate excerpts.

4. All symbols and acronyms fully defined.

The Structural Analysis shall demonstrate that the structural design meets the requirements in the Specifications.

No laminating shall be started until after the structural analysis has been approved by the Government.

The Contractor shall submit the structural analysis to the Government for review at least seven (7) days in advance of the start of lamination of each the prototype and first production PHCD. The structural analysis shall be provided in it native format (i.e. Excel) and Adobe PDF format.

1.3.1.5 Warranty Information

The Contractor shall provide a Warranty for the PHCD and all installed equipment, for minimum of one (1) year, starting from the date the PHCD is accepted and delivered to the United States Navy.

1.3.2 Schedule (CDRL A002)

The contractor shall develop a schedule that presents the programmatic approach for material ordering, projected

PHCD construction start dates and end dates, test plan outline, PHCD outfitting, and PHCD delivery. The schedule will provide, in chronological sequence, the actions, events, and requirements, and the corresponding planned start and completion dates necessary to deliver a complete and useable PHCD. Summary schedules will present key events and milestones. The contractor shall submit an updated project schedule at each Post-Award Conference in hard copy and Adobe PDF format.

1.3.3 Testing (CDRL A003)

The Contractor shall test each Prototype and Production PCHD in accordance with the requirements of Section 4, “Verification,” to ensure each unit meets the static, dynamic, and performance characteristics specified in Section 3, “PHCD Requirements.” The contractor shall document the test procedures used, the completed data sheets for the raw data collected, and the resultant analysis of the raw data collected during each test. Per CDRL A003, the contractor shall prepare a report for each test conducted on each PHCD during the testing program. The reports will be identified with the PHCD Serial Number and the sequential number for the test performed. For example, “XXXXXX-001, XXXXXX-002, etc.” The contractor shall submit the PHCD test reports, in hard copy and in

Adobe PDF format, as each PHCD is delivered.

2 REFERENCES

a) Prototype Carbon Fiber PHCD Sketch

b) Carbon Fiber PHCD Sketch- Davit Insert Layout for Prototype

c) Carbon Fiber PHCD Sketch- Prototype Boat Layout

d) Production Carbon Fiber PHCD Sketch

e) Carbon Fiber PHCD Sketch- Production Boat Layout

f) ASTM F593

g) IEEE-1580

h) ASTM B-33

i) NEMA Standards Publication 250-2014, "Enclosures for Electrical Equipment (1000 Volts Maximum)"

3 PHCD REQUIREMENTS

3.1 General

The purpose of the marine Passive Heave Compensated Davit (PHCD) is to perform launch and recovery operations of an Unmanned Underwater Vehicle (UUV) (http://www.hydroid.com/remus-600-defense-applications) from an 11 meter Rigid Inflatable Boat (11m RIB) in a seaway. Overall weight is of critical importance to the success of the

11m RIB. The PHCD is a lifting device that uses a counterbalancing force to achieve a heave compensating effect on the boom when lifting an object (UUV) countering the boat’s rolling and heave motions. This is a critical feature of the davit design to achieve ultimate control over the UUV throughout the entire launch or recovery evolution, minimizing the potential for damage to the UUV or injury to personnel

3.2 Prototype PHCD

A prototype will be procured for Government installation on a test craft for testing and evaluation. The prototype

PHCD shall be configured to operate as described on the Carbon Fiber PHCD Sketch – Prototype Boat Layout. The prototype PHCD shall be supplied with a socket mount described in Section 3.10.4 for installation on the test craft.

3.3 Production PHCD

The production PHCD shall be configured to operate as described on the Carbon Fiber PHCD Sketch – Production

Boat Layout

3.4 Design Load

PHCD and all components shall be rated at 1,000 lbs (based on 5:1 safety factor on the ultimate material strength) for at-sea operation on the open deck of an 11m RIB. The PHCD shall consist of:

a) Davit

b) Winches

c) Slewing Gear

d) Socket Mount

e) Capture Head

f) Capture Head Alignment Mechanism

g) Electrical Control System

3.5 Weight

The combined weight of the PHCD components, davit, winches, slewing gear, capture head and capture head alignment mechanism shall not exceed 500 pounds.

Note that the davit insert and intermediate plate do not count toward the 500-lb. weight limit.

3.6 Environment

The PHCD will be subjected to the saltwater environment and will be subjected to spray, potential immersion, fog, rain, and direct sunlight. It will operate on the open deck of a boat.

The davit will be subject to shock and vibration due to high speed transits in rough water unloaded while in a stowed position. Nominal rigid body accelerations (i.e. <10Hz) are 3 g’s down, 2 g’s athwartships and 1 g longitudinally.

The PHCD will be mounted to a vessel that will perform launch and recovery operations in sea state 3 as defined by the Wilbur Marks scale. Vessel roll angles have been measured up to +/- 20 degrees and pitch angles up to +/-9 degrees. The natural roll period is 2.12 seconds.

3.7 Installation of Equipment, Machinery, and Materials

Foundations and brackets for equipment shall be configured to provide access for cleaning, preservation, and maintenance, and to prevent accumulation of water, dirt, and foreign material.

Piping and wiring shall be run to allow minimum exposure to weather.

All materials, equipment, and machinery shall be installed in accordance with manufacturer’s recommendations. All installed equipment shall operate and perform within the tolerances stated in these Specifications and those recommended by the manufacturer. The installation method and details employed shall be the same for all PHCD’s, unless specifically approved by the Government.

Systems, equipment, and components shall be installed to facilitate accessibility for operating efficiency and for inspection, adjustment, and repair. Permanent fittings and structure shall be kept clear of routes required for the removal of machinery and equipment. The space behind certain equipment may be inaccessible after installation.

This factor shall be considered in providing proper space preservation in areas obstructed by such equipment and in selecting the location of pipes, wire ways, and other permanent fittings behind such equipment. Nooks, cracks, and openings where water, dirt, dust, or foreign material can accumulate shall be avoided.

3.8 Workmanship

Structure shall be fair and free from buckles or uneven sight edges. Faying surfaces shall be free from gaps, hollows or warping. Shims or filling compounds shall not be used to correct improper fit. All sharp edges exposed to personnel shall be dressed, ground or radiused to avoid injury. Metal parts shall be completely fabricated before installation. Internal corners shall be filleted and external corners shall be rounded off.

All exterior joints and gaps shall be less than 1/8 inch wide without the use of fairing compound.

The Contractor shall be responsible for quality control of all fabrications, equipment and machinery installed on all

PHCD’s built under this Contract.

3.9 Time to Launch or Recover

The PHCD shall perform a recovery in a maximum of 120 seconds. A recovery is defined as winch 1 retrieving the hook attached to the UUV (or equivalent test load) with 10 feet of line from the tip of the boom under minimal load, pulling the boom 5 feet down to the UUV, winch 2 retrieving its line to lift the UUV with the boom until the boom is at the up stop, slewing 80 degrees, and winch 2 releasing line to lower the UUV and boom 3 feet.

3.10 PHCD Components

3.10.1 Davit

The davit shall be constructed out of carbon fiber in an epoxy matrix. The design uses a fixed vertical structural member with a pivot point at the end. The boom is mounted to the vertical member at the pivot point. The boom shall extend beyond the vertical member in each direction. One end will lift the object; the other end will be used to generate the force to lift the boom with object (UUV). The passive heave compensation ability of the davit shall be achieved by utilizing a gas spring (ex. http://www.indgassprings.com) to create the counterbalancing effect on the davit boom. The counterbalancing force shall be sized to keep the unloaded davit boom in the up position with the weight of the boom and any attached davit components in a seaway with 1.5 g acceleration applied. The boom in the up position shall rest against a soft stop to protect the boom from operational damage. The boom in the down position shall rest against a soft stop to limit the range of motion down. Sealed or greasable bearings shall be used.

A personnel safety standoff device shall be mounted to the PHCD to keep personnel clear of the moving end of the boom as seen in the Prototype and Production Carbon Fiber PHCD Sketches.

3.10.2 Winches

The lifting gear shall consist of two winches. The winches shall have powered hoisting and lowering. The winches shall hold the load without power to the system in any position. The winches shall be ungrounded 24V DC with mechanical backup. Winches shall have line tensioners, a Lebus system or equivalent to avoid mounding of the line to reduce loads. The winch lines shall be Amsteel Blue line or equivalent. Winch 1 (see Prototype and Production

Carbon Fiber PHCD Sketches) shall be arranged such that retrieval of the line attached to the UUV will also pull the boom down to the UUV. Winch 2 (see Prototype and Production Carbon Fiber PHCD Sketches) shall be arranged to raise the boom and UUV. Winch speed shall not exceed 100 feet per minute (fpm) at rated load in the lowering direction, or 100 fpm with no load in the hoisting direction. The winches shall have soft start and stop. Winch 2 shall not impede the boom’s ability to move up to compensate for heave.

Winches shall be operational at 150% of the rated load at slow speeds and with a drum full of line.

A hand gear shall be provided for mechanical backup. Gear handles or wheels shall not be rotated by moving parts of the winch when the PHCD is being lowered or when it is being hoisted by power. The manual effort to operate the hand gear is not to exceed 90 lbf.

3.10.3 Slewing Gear

The davit shall be mounted to an appropriately sized slewing gear (ex.

http://www.goimo.com/IMO_USA.1817.0.html) so the davit can be rotated about the vertical axis clockwise and counterclockwise with the UUV. The slewing gear shall hold position without power to the system. The slewing gear shall have adjustable limit stops. The slewing gear shall be sized considering up to 12 degrees of boat roll with davit boom oriented perpendicular and parallel to the boat’s centerline. The slewing gear shall be ungrounded 24V

DC with mechanical backup. The slewing gear motor shall have soft start and stop.

A hand gear shall be provided for mechanical backup. Gear handles or wheels shall not be rotated by moving parts of the winch when the PHCD is being lowered or when it is being hoisted by power. The manual effort to operate the hand gear is not to exceed 90 lbf.

3.10.4 Socket Mount (Prototype Only)

There shall be an appropriately sized mounting flange manufactured according to the Carbon Fiber PHCD Sketch-

Davit Insert Layout for Prototype to mount the slewing gear to the Navy’s test boat. The bolt pattern of the socket mount in the sketch is based off of the example slewing gear in section 3.10.3. The bolt pattern shall be adjusted accordingly to the specific slewing gear selected. 316 stainless steel ASTM F593G bolts shall be provided to mount the davit to the slewing gear and to the mounting flange. A 12 inch long, 1 inch diameter 316 stainless steel piece of round stock shall be provided to pin the davit into the existing socket on the test boat.

The mounting flange shall also accommodate the foundation for the Capture Head Alignment Mechanism.

3.10.5 Capture Head

The end of the boom shall be outfitted with a capture head that controls the UUV and restricts its movement. The capture head shall counter-rotate with slewing of the davit to maintain an orientation parallel to the centerline of the boat via the capture head alignment mechanism described below. The capture head shall also pivot to maintain a vertical orientation perpendicular to the water surface. The capture head shall use carbon fiber and other lightweight materials where possible to minimize weight. The capture head shall not damage the sensitive areas of the UUV.

Resilient material shall buffer the UUV from damaging contact.

3.10.6 Capture Head Alignment Mechanism

The contractor shall provide a mechanical mechanism that controls the orientation of the capture head with the davit.

The capture head alignment mechanism shall keep the UUV parallel to the centerline of the boat throughout launch and recovery operations. The capture head alignment mechanism shall be able to be turned off, disengaged or removed.

The capture head alignment mechanism shall be mounted to the socket mount flange.

3.10.7 Electrical Control System

The contractor shall provide a National Electrical Manufacturers Association (NEMA) 6P rated tethered remote to operate the winches and the slewing gear wired to the power distribution junction box with a 10 foot flexible multi conductor cable containing mechanical protection to prevent chafing. The remote shall consist, at a minimum, of the following operational controls:

a) Winch 1 Line Out.

b) Winch 1 Line In.

c) Winch 2 Boom Down.

d) Winch 2 Boom Up.

e) Slewing gear Clockwise.

f) Slewing gear Counterclockwise.

A NEMA 6P rated power distribution junction box shall be supplied with all necessary circuit protection, connections, and conductors to power the slewing gear and winches. The junction box shall be located 4 feet from the base of the davit. Junction box penetrations shall use gland seals to protect against water penetration. A 20 foot appropriately sized multi conductor power supply cable wired into the power distribution junction box with the appropriate double pole breaker for circuit protection shall be provided to connect to the GFE battery bank (power supply). Crimp type ring terminals shall be supplied for the conductors of the power supply cable.

Remote switches shall be momentary 3 position (on/off/on) for each component: Winch 1, Winch 2, and Slewing

Gear. A dead man switch or guards over switches shall be installed to avoid inadvertent operation. IEEE guidelines shall be followed in the design of the electrical system.

3.11 General Mechanical

All items used to construct the PHCD shall be fabricated of non-corrosive materials or shall be suitably protect against corrosion for service in a marine environment. For the purpose of corrosion and stray current control, carbon fiber shall be considered a metal. Dissimilar metals shall not be joined directly except as specifically allowed herein. Galvanic corrosion shall be prevented by isolating dissimilar metals with suitable gaskets, washers, sleeves, bushings and hose of insulating material; insulating materials shall be non-porous, with mechanical properties suitable for the application. Faying surfaces between mechanically fastened metal components and between metals and laminates shall be protected by the use of adhesive. A voltmeter shall read Open Line (OL) when used to check installed PHCD component’s isolation from the structure. All metal components shall be checked for isolation when installed in contact with the PHCD structure. No plastic, PVC or CPVC except OEM components. Only new, marine grade materials and components shall be used for construction and outfitting.

3.12 General Electrical

The system shall be 24V DC ungrounded.

Electrical components and subcomponents shall be suitable for a marine environment and isolated from the marine environment.

3.12.1 Panel Covers

Electrical distribution panels and switches shall be arranged or protected to prevent inadvertent operation (i.e. dead-man switch or cover) or injury. See-through plastic cover for panel or switch covers for individual breakers/switches are acceptable.

3.12.2 Switches

All Contractor-installed switches shall be MIL-DTL-3950 environmentally sealed toggle switches. All switches shall be clearly labeled with function and position (e.g. LINE OUT/OFF/LINE IN, BOOM DOWN/OFF/BOOM

UP, SLEW CLOCKWISE/OFF/SLEW COUNTERCLOCKWISE).

3.12.3 Overcurrent Protection

Circuits shall be protected using double-pole, waterproof circuit breakers installed inside a NEMA 6P enclosure. All circuits shall be protected by individual breakers (no fuses, OEM supplied in-line fuses shall be removed).

Distribution panels shall be labeled with system voltage, circuit function, circuit designation, element size, and

ON/OFF position.

a) For circuits up to 100 amps, breakers shall be double pole, sealed toggle listed to UL 1077 or UL 489.

b) For circuits greater than 100 amps, breakers shall be single-pole, ABYC E-11 compliant with IP66 weather proofing.

3.12.4 Watertight Connections

As a minimum, electrical connections in areas exposed to water shall be made by terminal strips in NEMA 6P electrical enclosures. In all other locations, connectors rated to IP68 or greater may be utilized in locations where

NEMA 6P enclosures are impractical. Watertight splices shall only be utilized with approval from government personnel.

3.12.5 Cable Supports

Electrical cables and conductors shall be secured by stainless steel supports or stainless steel banding with chafing protection, except in electrical enclosures where plastic tie wraps may be utilized.

3.12.6 Marine Multi-Conductor Cable

As a minimum, all Contractor-provided electrical systems shall utilize low smoke zero halogen (LSZH) commercial marine multi-conductor IEEE-1580 compliant, USCG, & ABS accepted cable with tinned copper conductors per

ASTM B-33 flexible stranding (Tricab "BV" series or equal). Cables shall be clearly labeled at ends using aluminum cable tags or shrink tubing with mechanically applied lettering. Single conductor UL1426 wire may be used in enclosures and for jumper wires. All conductors shall be labeled at termination points using heat shrink sleeving with mechanically applied lettering (exception: OEM wire harnesses).

Multi-conductor cable (vice individual wires) shall be used to the maximum extent practicable. Individual wiring or wiring harnesses shall only be installed inside electrical enclosures/connection boxes, or where provided as OEM equipment.

Conductors that may be exposed to physical damage shall be protected by self-draining loom, conduit, tape, raceways, or other equivalent protection. Conductors passing through structural members shall be protected to minimize insulation damage such as chafing or pressure displacement. Conductors shall also be routed clear of sources of chafing such as linkages and control connections.

3.12.7 Electrical Connections

Each conductor shall be installed using ring terminal lugs except where a component is configured for a different type of connection. Ring terminal lugs shall have round holes sized to suit termination hardware. All terminal lugs shall be tinned copper. All terminal lugs shall be tinned copper.

3.12.8 Weatherproofed Connectors

Exposed connectors shall be weatherproofed by encapsulating the connector and a portion of the cable with self-fusing rubber electrical tape wrapped with two layers of vinyl electrical tape and sealed with three coats of electrical coating. Exposed connectors rated to IP68 or greater do not have to be weatherproofed.

3.13 Fasteners

Fasteners shall be Stainless Steel ASTM F593G, type 316 throughout for structural applications. For non-structural applications, other grades of 316 are acceptable. Self-locking hardware shall be used unless otherwise specified.

Component mounting shall be through-bolted with nylon locknuts and flat washers to suit fastener reinstallation during maintenance and repair. Fasteners may be threaded into structural or non-structural materials only with

Government approval. Any pins used for folding, removable, or stowable features shall be secured with lanyard to prevent loss.

Strength fittings shall not be attached to composite structures using tapped threaded fasteners. All strength fittings on composite structures shall have backed and through-bolted connections.

3.14 Metal materials

3.14.1 Titanium

a) Plate and sheet: ASTM Grade 5 (6AL4V) shall be used in all strength-critical welded components.

b) Bars and shapes: ASTM Grade 5 (6AL4V)

c) Tubing: ASTM seamless, Grade 5 (6AL4V) for heavy wall welded applications.

d) Pipe: ASTM Grade 5 (6AL4V).

3.14.2 Corrosion-resistant steel (CRES) or Stainless Steel

a) Plate and sheet: ASTM-A167, type 316L shall be used in all strength-critical welded components.

ASTM-A167, type 316 to be used in non-welded applications and in non-strength-critical welded applications.

b) Bars and shapes: ASTM-A276, type 316L; for non-welded applications types 316 or 304 may be substituted. Applicability of 304 is subject to approval by the Government’s representative.

c) Tubing: ASTM-A269, seamless, type 316L for heavy wall welded applications; for non-welded applications type 316 may be substituted.

d) Pipe: ASTM-A312, seamless, type 316L shall be used in all strength-critical welded components.

ASTM-A312, type 316 to be used in non-welded applications and in non-strength-critical welded applications.

3.14.3 Aluminum

a) Plate and sheet: ASTM-B209, alloy 5086-H116 or 5086 H117; for non-welded, non-submerged applications alloy 6061-T6 or 6061-T651 may be substituted.

b) Extrusions: ASTM-B221, alloy 5086-H111; for non-welded, non-submerged application alloys 6061-T6 or 6061-T52 may be substituted.

c) Drawn Tube: ASTM-B210, alloy 5086-H32; for non-welded, non-submerged applications alloy 6061-T6 may be substituted.

3.15 Composite Materials

3.15.1 General

Composite materials shall be shipped, stored, handled, and cured per the material manufacturer’s requirements, guidelines, and recommendations.

Details developed shall maintain structural continuity and alignment, and avoid creation of stress concentrations.

Attachments of components to structure shall not impair the strength or tightness of the structure. Mechanically attached fittings shall be set in adhesive to form a watertight joint.

Faying surfaces between any combination of metals and laminates shall be protected by use of a bedding compound, plus a coat of epoxy primer applied to the metal.

In areas of cored structure in way of high-strength connections, the contractor shall replace the core by higher density foam insert or taper the core to a single skin laminate in the high stress location. The inserts shall extend a minimum of 3 inches in all directions beyond the faying surface of the attachment or backing plate, whichever is larger.

All exposed edges in way of cuts or holes in FRP parts shall be sealed with epoxy. Holes through cored parts larger than 4 inches in diameter shall have edges either closed out to single skin, have core removed within 1 inch of cutout and replaced with thickened epoxy resin, or where compression strength is required, have core removed within 1 inch of cutout and replaced with medium density foam and seal edge with epoxy and gel coat.

3.15.2 Materials

3.15.2.1 Laminating resin

Resin shall be epoxy. If a thixotropic resin is required, it shall be prepared by the addition of a thixotrope recommended by the resin manufacturer. The total concentration of the added thixotropic agent (thixotrope already provided in the resin by its supplier plus any added by the Contractor) shall not exceed that recommended by the resin manufacturer.

Filled resin shall be made by mixing fumed silica into laminating resin until workable putty is created. Calcium carbonate, talc, wood flour, vermiculite or other hygroscopic materials shall not be used.

The reinforcing materials and the finish, sizing and binders used in their fabrication shall be compatible with the laminating resin.

3.15.2.2 Core Materials

Core materials shall consist of Polyvinyl Chloride (PVC), Styrene Arcylonitrile (SAN), or polyurethane.

3.15.2.3 Adhesive

Structural adhesives shall be compatible with the laminating resin.

3.15.2.4 Gel Coat

For exterior molded surfaces, a UV-stable coating shall be applied to the mold surface prior to reinforcement or the surfaces can be painted after demolding. The color and finish of the gel coat and epoxy primer shall be flat haze grey. Interior molded surfaces shall not be coated, except as specified below.

Non-molded surfaces viewed and exposed to sunlight shall be painted with a UV-stable coating that is flat and haze grey.

All other outfit, such as the capture head, shall be flat haze grey.

3.16 Closures

All hatches and access covers, and their respective frames and coamings, shall be designed and constructed to the same tightness and load requirements as the structure in which they are installed.

4 VERIFICATION

The Contractor shall conduct testing on all equipment to demonstrate compliance with the Specifications. Testing shall also demonstrate workmanship, alignment, strength, access, clearances, rigidity, tightness, and suitability for the intended purpose.

The Government representative shall be notified a minimum of 2 weeks prior to all tests to be conducted. All test procedures shall be approved by the Government Representative prior to testing. No test shall be started without the permission of the Government. The Government reserves the right to inspect the PHCD, witness trials, request related demonstrations, and review technical documentation.

Contractor shall provide all material, fuel, labor, power, equipment, and instruments necessary to conduct the tests.

All instruments used in conducting tests shall have been calibrated within the 6 months prior to the test. Calibration shall utilize national standards. The contractor shall make calibration data and certificates available to the

Government representative upon request.

4.1 Operational Tests

Operational testing shall be conducted with and without loads to document the safe and smooth operation of all functions. The full range of motion and limit stops shall be tested in the load conditions stated below.

a) No load. In addition to the general operation of the PHCD, the no load testing shall verify that the rate of line retrieval is less than 100 fpm.

b) Rated Load. In addition to the general operation of the PHCD the rated load testing shall verify the recovery sequence can be performed in a time less than or equal to 120 seconds. The rated load testing shall verify that the lowering rate is not greater than 100 fpm.

c) Overload. Overload tests shall be performed at slow speeds. Overload testing shall demonstrate that the winches are operational at 150% rated load. Overload testing shall demonstrate that the PHCD can statically support 150% of the rated load for ten minutes without any permanent deflection or structural damage. Winch and slewing gear load holding in a power failure scenario shall be tested in the overload condition.

d) Verify the system wiring is sized appropriately to the measured amperage.

4.2 Pre-Delivery Inspections and Trials (PDIT) (Prototype Only)

PDIT shall be performed by the Contractor for the purpose of inspection, verification, and demonstration of overall compliance with requirements. The Government reserves the right to inspect the PHCD, witness trials, request related demonstrations, and review technical documentation. PDIT shall take place at the Contractor's facility prior to final delivery to the Government.

The Contractor shall provide thirty (30) days' notice of the date of PDIT.

Satisfactory inspection and verification, including TDP reviews (i.e. drawings, manuals, certifications, etc.), proper operation of the PHCD, and corrections of PDIT discrepancies are conditions for final acceptance by the

Government. All PDIT discrepancies must be resolved/corrected by the Contractor prior to delivery. Any unresolved discrepancies may result in acceptance and/or payment delays.

5 DELIVERY

5.1 Shipping

Each PHCD shall be packaged in its entirety to prevent damage during shipment in an open environment, protected from solar and precipitation exposure.

The Contractor shall contact the Government prior to shipping any deliverable to verify the point of contact.

5.3 Delivery Inspections

The Government will perform inspection and acceptance upon receipt at destination. The Contractor's "Delivery

Ticket" or "Bill of Lading" shall be used as confirmation of delivery and receipt by the Government. Inspection and acceptance is performed by Government agent.

Upon receipt, an inspection is performed and the Contractor is notified of any discrepancies in a Post-Delivery

Inspection Report (PDIR) typically within 20 work days (i.e., exclusive of weekends and Federal holidays) of receipt. Contractor is to document correction or plan of action for resolution of discrepancies in response to the

PDIR. Acceptance is dependent upon delivery, inspection, and Post-Delivery discrepancy resolution notification

(i.e., correction or acceptable plan of action).

(End of Summary of Changes)