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Government’s Summary of Changes to Solicitation
| R0001 | | June 21, 2021 |
| Section | |
| Clause / Paragraph | |
| WAS | |
| IS | |
| ID# | |
| J-1 |
| 070.3.5.3.4 |
| 070.3.5.3.4 The working deck shall be at least 350 square feet (threshold) / 500 square feet |
(objective).
070.3.5.3.4 The working deck shall be at least 350 square feet (threshold) / 500 square feet (objective).
070.3.5.3.4.1 The working deck area is defined by the clear deck (inclusive of chocks and cleats but excluding crane pedestal, pile stowage areas, or the forward winch) available forward of a transverse line located at the centerline of the crane pedestal or the forward edge of the pile stowage area, whichever is further aft.
| J-1 |
| 070.3.5.3.5 |
| 070.3.5.3.5 The working deck shall stow 30 (threshold) / 36 (objective) construction piles (not to exceed 18 inches in diameter and 60 feet in length) in a fore and aft direction adjacent to the working deck in a designated fixture(s). |
| 070.3.5.3.5 The weather deck shall stow 30 (threshold) / 36 (objective) construction piles (not to exceed 18 inches in diameter and 60 feet in length) in a fore and aft direction adjacent to the working deck in a designated fixture(s). |
| 52 |
| J-1 |
| 070.5.7.1 |
| On the working deck, the center part (from the center line to the outboard side of the buoy pen) of the deck shall be flat (horizontal), with 1 inch camber (height above deck at side). Outboard of the horizontal part, the deck is to be cambered down to deck at side. |
| For the entire length of the working deck, main deck shall have 1 inch of camber from the deck edge to the outboard edge of the buoy pen for the buoy tending variant or pile storage area for construction variant. For the width of the buoy pen or pile storage areas, the deck shall be horizontal. |
| 63 |
| J-1 |
| 070.6.5.1 |
| The cutter shall have the capability to deploy spuds and maintain station in water depths up to 20 ft, maximum current of 2.5 kts +/- 15 degrees off the bow combined with maximum wind of 20 kts from any direction. |
| [Deleted.] |
| J-1 |
| 071.3.2 |
| One centerline passage and two (2) athwartship passages shall be provided on the main deck in the deckhouse to facilitate access to weather decks. |
| One centerline passageway and two (2) athwartship passageways shall be provided on the main deck in the deckhouse to facilitate access to weather decks. |
| 62 |
| J-1 |
| 071.4.6.1 |
| A minimum maintenance envelope of 45 inches shall be provided around sides and free ends of the engines and generators. |
| A minimum maintenance envelope of 45 inches shall be provided around sides and free ends of the propulsion engines and ship service generators sets. |
| 25 |
| J-1 |
| 100.2.4 |
| The material for hull and the deckhouse (if steel), shall be higher strength steel of ABS Grade AH 36 or better. |
| The material for hull and the deckhouse (if steel), shall be higher strength steel of ABS Grade AH 36 or better. Such structure shall include shell, deck, and side plating, longitudinal and transverse stiffeners, girders, keels and keelsons, bulkheads, and transverse frames. |
| 15 |
| J-1 |
| 100.4.1 |
| Structures that are not specifically covered by ABS U90M Rules, shall be designed such that the allowable stresses are not exceeded and there is no failure from elastic instability. The nominal allowable strength, Fb, is to be used to evaluate these structures, is given in Table 100.4-1. |
| Structures that are not specifically covered by ABS U90M Rules shall be designed such that allowable stresses are not exceeded, and there is no failure from elastic stability. The nominal allowable tensile strength, Fb, shall be 80% of the material yield strength (FS=1.25) when using combined static and dynamic loadings. Fb shall be 60% of yield (FS=1.67) when using static loadings. For materials whose yield strength is lowered by hot work, the as-welded yield shall be considered. |
[Table 100.4-1 Deleted.]
| J-1 |
| 100.4.2 |
| Shear stresses. Where there is no danger of failure from instability, allowable limits for shear stresses shall be 60 % of the allowable tensile stresses. |
| Shear stresses. Where there is no danger of failure from instability, allowable limit for shear stress shall be 53% of the material yield strength (FS=1.88) when using combined static and dynamic loadings. Shear stress shall be 40% of yield (FS=2.50) when using static loadings. |
| Section |
| Clause / Paragraph |
| WAS |
| IS |
| ID# |
| J-1 |
| 116.2.2 |
| Openings in the flat keel or center vertical keel (CVK) are prohibited. |
| [Deleted.] |
| J-1 |
| 180.1.9.1 |
| Each spud well shall be designed to withstand simultaneous horizontal reaction loads of 475 kip and 270 kip respectively where the well connects to the bottom shell plating and deck plating, applied in opposite directions. This couple shall be independently considered longitudinally and transversely. Hydrostatic loads shall be considered concurrently. |
| Each spud well shall be designed to withstand simultaneous horizontal reaction loads of 96 kip and 54 kip respectively where the well connects to the bottom shell plating and deck plating, applied in opposite directions. This couple shall be independently considered longitudinally and transversely. Hydrostatic loads shall be considered concurrently. |
| 29 |
| J-1 |
| 233.4.6.3 |
| 233.4.6.3 Filters shall be duplex type and equipped with a differential pressure gauge. A relief valve shall be provided external to the filter casing to bypass oil around the filter to the fuel return line when the pressure drop across the filter housing exceeds manufacturer specified limits. |
| 233.4.6.3 Filters shall be duplex type and equipped with a differential pressure gauge. A relief valve shall be provided external to the filter casing to bypass oil around the filter to the fuel return line when the pressure drop across the filter housing exceeds manufacturer specified limits. |
233.4.6.3.1 Alternatively, filters and strainers may be fitted with a relief valve to bypass fuel directly to the engine provided that the following requirements are met.
233.4.6.3.1.1 The PCS shall continuously monitor the differential pressure across the filter or strainer.
233.4.6.3.1.2 The PCS shall provide an alarm prior to opening the relief valve to indicate the filter or strainer needs changed. The alarm shall activate when the differential pressure is 75% of the value when the relief valve is set to open.
233.4.6.3.1.3 The PCS shall provide a separate alarm indicating the relief valve has opened.
| J-1 |
| 249.3.4.1.4 |
| Means shall be provided for shaft seal maintenance underwater. |
| [Deleted.] |
| 70 |
| J-1 |
| 259.2.6 |
| Expansion joints, silencers, heaters, and filter housings shall have flanged connections. Flanges shall be ASME B16.5. Angle flanges may be used for the diesel engine intake systems. |
| Expansion joints, silencers, heaters, and filter housings shall have flanged connections. Flanges shall be ASME B16.5 or other approved flange standard. Angle flanges may be used for the diesel engine intake systems. |
| 31 |
| J-1 |
| 436.13.1 |
| Space and Weight shall be provided in the Pilothouse, in a visible location, for a Bridge Mounted Multifunction RADIAC with the following characteristics: |
| Space and Weight shall be provided in the Pilothouse, in a visible location, for a RADIAC with the following characteristics: |
| J-1 |
| 436.13.2 |
| Space and Weight shall be provided for an Improved Point Detection System – Lifecycle Replacement (IPDS-LR) in accordance with the following locations and characteristics: |
| Space and Weight shall be provided for a Chemical Agent Detection System in accordance with the following locations and characteristics: |
| J-1 |
| 506.3.9 |
| N/A |
| 506.3.9 Sounding tubes for ballast tanks shall use Cu-Ni 90/10 piping material and associated components in accordance with Table 505.3-1 for Ballast Systems. |
| J-1 |
| 521.6.13 |
| Jetting Station (Construction Variant). A dual purpose fire station shall be installed forward of the crane pedestal to serve as a forward firefighting hose station as well as a jetting connection. |
| Jetting Station. A dual purpose fire station shall be installed forward of the crane pedestal to serve as a forward firefighting hose station as well as a jetting connection. |
| 4 |
| J-1 |
| 532.2.3 |
| Potable water tanks shall not be in direct contact with the shell plating or other areas subject to freezing. |
| Potable water tanks shall not be in direct contact with the shell plating. |
| 57 |
| Section |
| Clause / Paragraph |
| WAS |
| IS |
| ID# |
| J-1 |
| 532.5.2 |
| 532.5.2 Storage tanks. |
532.5.2.1 Potable water tanks shall not share a common boundary with the hull of the vessel or with tanks or piping containing non-potable liquids. Cofferdams shall be provided around the tanks to ensure that the potable water will not be contaminated from other tanks or from the sea.
532.5.2.2 Piping systems carrying non-potable liquids shall not pass above (within the same compartment) or through potable water tanks.
532.5.2.3 A deck may be used as the top of a potable water tank provided that there are no access or inspection openings therein, and that the seams are continuously welded on the inside of the tank. There shall be no deck fittings, rivets or bolts in that part of the deck which forms the top of the tank. No toilet shall be installed over that part of a deck which forms the top of a potable water tank.
532.5.2.4 A cofferdam shall be provided between the deck and the bottom of a potable water tank.
532.5.2 Storage tanks.
532.5.2.1 There shall be two (2) potable water tanks and they shall be approximately equal capacity. Potable water tanks shall not share a common boundary with tanks or piping containing non-potable liquids. Cofferdams shall be provided, as necessary, around the tanks to ensure that the potable water will not be contaminated from other tanks or from the sea and shall have a minimum clearance of 24 inches.
532.5.2.2 Piping systems carrying non-potable liquids shall not pass directly above (within the same compartment) or through potable water tanks.
532.5.2.3 A deck may be used as the top of a potable water tank provided that the tank top is within the confines of the deck house and there are no access or inspection openings therein. There shall be no deck fittings, rivets or bolts in that part of the deck which forms the top of the tank. No toilet shall be installed over that part of a deck which forms the top of a potable water tank.
532.5.2.3.1 When potable water tank tops are not sharing a common boundary with the deck above, a minimum of 24 inches of clearance shall be provided between the tank top and deck above.
532.5.2.4 A minimum of 24 inches of clearance shall be required between the potable water tank bottom and bottom shell plating.
| J-1 |
| 580.10.1 |
| The working deck shall be outfitted with a manual tie-down system consisting of deck fittings. The deck fittings shall be arranged in a grid pattern spaced 40 inches to 56 inches in both longitudinal and transverse directions in the areas identified on the working deck drawings, WCC-SK-580-001 and WCC-SK-580-002, provided as part of this specification. Tie downs shall be located on deck stiffeners and/or transverse frames. |
| The working deck shall be outfitted with a manual tie-down system consisting of deck fittings. The deck fittings shall be arranged in a grid pattern spaced 40 inches to 56 inches in both longitudinal and transverse directions in the areas identified on the working deck drawings, WCC-SK-580-001 and WCC-SK-580-002, provided as part of this specification. Tie downs shall be located on deck stiffeners and/or transverse frames or shall be backed up by local headers between stiffeners if located off primary deck structure. |
| 13 |
| J-1 |
| 580.10.3 |
| Tie-down fittings shall be fabricated and installed in accordance with USCG Drawing FL-573-001. |
| Tie-down fittings shall be fabricated and installed in accordance with USCG Drawing FL-573-001. The support structure for each fitting shall be sufficient to achieve a minimum SWL of 6,000 lbs. |
| 12 |
| J-1 |
| 580.11.4 |
| The capstans shall be capable of static (bollard) pull not less than 100,000 lbs. |
| The capstan and foundation shall be capable of withstanding a static (bollard) pull not less than 100,000 lbs. |
| 8 |
| J-1 |
| 581.7.5 |
| The spud well with installed liner shall have a 17 inch by 17 inch square opening for the spud. |
| The spud well with installed liner shall have a square opening for the spud in accordance with CG Drawing FL-2602-11, Spud Arrangements and Details (Attachment J-1E). |
| J-1 |
| 583.4.18.1.3 |
| Two (2), 10-can jettison type stowage racks conforming to USCG drawing no. FL2300-2 shall be installed at the deck edge, port and starboard, allowing the stowed cans to fall clear of the cutter when released. |
| Two (2), 10-can jettison type stowage racks conforming to USCG drawing no. FL-2300-2 shall be installed at the deck edge, port and starboard or the stern, allowing the cans to fall clear of the cutter when released. |
| 54 |
| Section |
| Clause / Paragraph |
| WAS |
| IS |
| ID# |
| J-1 |
| 589.2.14 |
| 589.2.14 The crane shall be capable of being secured in the stowed position when there is a loss of electrical or hydraulic power. |
| 589.2.14 The crane shall be capable of being returned in the stowed position when there is a single point of failure due to loss of electrical or hydraulic power or a component on the crane. |
589.2.14.1 Any deck equipment used to return the crane in the stowed position shall ensure the forces do not exceed the equipment rating.
| J-1 |
| 589.3.8 |
| 589.3.8 The crane shall be capable of being returned in the stowed position when there is a loss of electrical or hydraulic power. |
| 589.3.8 The crane shall be capable of being secured in the stowed position when there is a single point of failure due to loss of electrical or hydraulic power or a component on the crane. |
589.3.8.1 Any deck equipment used to return the crane in the stowed position shall ensure the forces do not exceed the equipment rating.
| J-1 |
| 593.2.2.5.5 |
| Sewage tank structure shall be external to the sewage holding tank. |
| Sewage tank structure shall be external to the sewage holding tank and shall not be integral with the hull structure. |
| 59 |
| J-1 |
| 622.3.2.12.1 |
| Exterior vertical ladders shall be steel, except that ladders made of composite materials may be used on topside locations when EMI reduction is necessary, if approved. |
| [Deleted.] |
| 6 |
| J-1 |
| 633.2.2.1.1 |
| Placement shall be such to minimize damage from impact and not affect the cutter’s overall draft. |
| Placement shall be such to minimize damage from impact. |
| 7 |
Octave Band Center Frequencies (Hz) (Note 1)
| 32 |
| 63 |
| 125 |
| 250 |
| 500 |
| 1000 |
| 2000 |
| 4000 |
| 8000 |
| A-3 |
| 87 |
| 81 |
| 75 |
| 72 |
| (SIL LEVEL 64) |
| 63 |
| 62 |
| A-12 |
| 77 |
| 71 |
| 65 |
| 62 |
| (SIL LEVEL 54) |
| 53 |
| 52 |
| B |
| 87 |
| 81 |
| 75 |
| 72 |
| 69 |
| 66 |
| 65 |
| 63 |
| 62 |
| D |
| 99 |
| 94 |
| 89 |
| 84 |
| 79 |
| 79 |
| 79 |
| 79 |
| 79 |
| F |
| 110 |
| 105 |
| 100 |
| 95 |
| (SIL LEVEL 65) |
| 80 |
| 80 |
| G (Notes 2-4) |
| 110 |
| 105 |
| 105 |
| 100 |
| 100 |
| 100 |
| 100 |
| 100 |
| 100 |
Octave Band Center Frequencies (Hz) (Note 1)
| 32 |
| 63 |
| 125 |
| 250 |
| 500 |
| 1000 |
| 2000 |
| 4000 |
| 8000 |
| A-3 |
| 87 |
| 81 |
| 75 |
| 72 |
| (SIL LEVEL 64) |
| 63 |
| 62 |
| A-12 |
| 77 |
| 71 |
| 65 |
| 62 |
| (SIL LEVEL 54) |
| 53 |
| 52 |
| B |
| 87 |
| 81 |
| 75 |
| 72 |
| 69 |
| 66 |
| 65 |
| 63 |
| 62 |
| D |
| 99 |
| 94 |
| 89 |
| 84 |
| 79 |
| 79 |
| 79 |
| 79 |
| 79 |
| F |
| 110 |
| 105 |
| 100 |
| 95 |
| (SIL LEVEL 65) |
| 80 |
| 80 |
| Section |
| Clause / Paragraph |
| WAS |
| IS |
| ID# |
| J-1 | |
| Table 076.3-1 | |
| Ship System Nomenclature |
| MTBF | |
(Hours)
Damage Control and Auxiliaries
| Installed Firefighting System |
| 12,000 |
| Fuel Oil Handling |
| 50,000* |
| Compressed Air Systems |
| 3,000 |
| Other Heavy Lift Systems |
| 3,000 |
| Boat Davit Systems (each) |
| 2,500 |
| Ship System Nomenclature |
| MTBF | |
(Hours)
Damage Control and Auxiliaries
| Installed Firefighting System |
| 12,000 |
| Fuel Oil Handling |
| 50,000* |
| Compressed Air Systems |
| 3,000 |
| Working Deck Machinery |
| 3,000 |
| Boat Davit Systems (each) |
| 2,500 |
| J-1 | |
| Table 505.3-1 | |
| System |
| Piping Material | |
| Valves | |
| Fittings | |
| Flanges | |
| Bolts/Gaskets | |
| Firemain, Ballast, Seawater Cooling, AFFF, Emergency Drainage |
| Cu-Ni 90/10 - ASTM B466/B467 |
Cu-Ni 70/30 - ASTM B466/B467
| Bronze MSS SP-80 with Monel Trim, Bronze or Cu-Ni MSS SP-72 with Monel Trim, Ni-Al-Bronze MSS SP-67 Type I with Monel Trim, Bronze ASTM F1370 with Supplements and Cu-Ni Trim, Other Valves - Bronze with Monel Trim |
| Butt Welded 90/10 or 70/30 Cu-Ni, Bronze MSS SP-119, Bronze or Cu-Ni ASTM F1387 |
| Silver Brazing - Bronze ASTM B61/B62 ANSI B16.24, Socket Welded Cu-Ni |
| Nickel-Copper, ASTM F467/468 Grade 400/synthetic rubber |
| System |
| Piping Material | |
| Valves | |
| Fittings | |
| Flanges | |
| Bolts/Gaskets | |
Firemain, Ballast, Seawater Cooling, AFFF, Emergency Drainage
Cu-Ni 90/10 MIL-T-16420 or ASTM B466/B467
Cu-Ni 70/30 MIL-T-16420 or ASTM B466/B467 Bronze Gate, Globe, Angle and Check MSS SP-80 with Monel Trim, Bronze
Cu-Ni or Bronze Ball Valve MSS SP-72 with Monel Trim
Bronze Pressure Reducing ASTM F1370 with Supplements and Cu-Ni Trim
Bronze Union End Globe, In-Line & Angle,Stop, Stop Check & Needle NAVSEA Drawing 803-4384536
Bronze Union End Gate NAVSEA Drawing 803-1385714
Bronze Union End Swing Check NAVSEA Drawing 803-1385721
Bronze Double Offset Butterfly MIL-DTL-24624
Bronze Triple Offset Butterfly MIL-PRF-32307
Bronze Hose Valve NAVSEA Drawing 803-1385711 and NAVSEA Drawing 803-1385712
Gage Line Test/Isolation MIL-DTL24578
Other Valves - Bronze with Monel Trim Bronze Sil-Braze MIL-DTL 1183
Cu-Ni Butt Welded 90/10 or 70/30 Cu-Ni ASTM B466 or NAVSEA Drawing 810-1385880
Cu-Ni Belled End MSS-SP-119 Class MP
Mechanically Attached Fittings ASTM F1387 Type VI
Cu-Ni Socket Weld NAVSEA Drawing 803-6397430
Gage Line Fittings NAVSEA Drawing 803-1385850 or ASTM F1387 Type IV
Bronze Flange ASME B16.24
Cu-Ni Flange ASME B16.5 for dimensions
Bronze Butterfly Valve Flange NAVSEA Drawing 803-1385892
Cu-Ni Navy Flange NAVSEA Drawing 810-4715319
Nickel-Copper, ASTM F467/468 Grade 400
Nylon Inserted Rubber NAVSEA Drawing 804-5284201
Non-Asbestos MIL-DTL- 24696 for butterfly valves
| Section |
| Clause / Paragraph |
| WAS |
| IS |
| ID# |
| J-1 | |
| Table 512.3-1 | |
| SPACE TYPE |
| HEATING SEASON (°F) | |
| COOLING SEASON (°F) | |
| Ship tanks, voids, cofferdams and similar spaces below the EOSL full load waterline with any boundary exposed to the sea |
| 28 |
| 90 |
| SPACE TYPE |
| HEATING SEASON (°F) | |
| COOLING SEASON (°F) | |
| Ship tanks, voids, cofferdams and similar spaces below the EOSL full load waterline with any boundary exposed to the sea |
| 32 |
| 90 |
| J-1E |
| Materials List |
| PC#: 1, Material: ASTM A500, Grade A |
| PC#: 1, Material: ASTM A500, Grade B |
| J-1F |
| WCC Structural Design, 2nd Paragraph |
| For the value of h, in ABS Rules 3-2-2/3.3, a value of 12.5 ft or D + 2.5 ft, whichever is greater; (where D is as defined in ABS Rules) may be used. |
| For the value of h, in ABS Rules 3-2-2/3.3, a value of D + 2.5 ft may be used, where D is as defined in ABS Rules. |
| J-1F |
| WCC Structural Design, 3rd Paragraph |
| For the value of h, in ABS Rules 3-2-2/5.1, a value 12.5 ft or D + 2.5 ft, whichever is greater; (where D is as defined in ABS Rules) may be used. |
| For the value of h, in ABS Rules 3-2-2/5.1, a value of D + 2.5 ft may be used, where D is as defined in ABS Rules. |
| J-1G |
| Design Criteria Sheet 2, paragraph 8 (d) |
| Unit heaters shall be provided to maintain 40°F in the Auxiliary Machinery Room and 50°F in the Engine Room and Emergency Generator Room with all equipment and ventilation secured. |
| Unit heaters shall be provided to maintain 40°F in the Auxiliary Machinery Room and 50°F in the Engine Room and Emergency Generator Room with all equipment and ventilation secured. If Emergency Generator is provided with provisions to allow for starting in the service environments defined in WCC Specification 070 the unit heater may be omitted for the Emergency Generator Room only. |
| 40 |
| J-1G |
| Design Criteria Sheet 2, paragraph 8 (k) |
| Exhaust fans serving Engine and Auxiliary Machinery rooms shall discharge into uptake spaces. |
| Exhaust fans serving Engine and Auxiliary Machinery rooms may discharge into uptake spaces. Machinery rooms with fixed firefighting systems installed that do not discharge to uptake spaces shall be provided with independent supply and exhaust systems. |
| 42 |
| L |
| L.11(c)(1)(i)(i) |
| Provide calculations of intact stability at Minimum Operating and Full Load Conditions at both Delivery and End of Service Life as defined in the WCC System Specification. |
| Provide calculations of intact and damaged stability at Minimum Operating and Full Load Conditions at both Delivery and End of Service Life as defined in the WCC System Specification. |
| 90 |
USCG Waterways Commerce Cutter (WCC) 70Z02321RPRT00300
