HSCG23-10-R-ADB013 Attach 3.pdf

HSCG23-11-R-ADB013 RFI Responses Attachment 3

DOCUMENT REFERENCE VENDOR QUESTION/COMMENT USCG RESPONSE

042-2, CONOPS What is the level of SAR capability required? The CB-OTH-IV needs to be able to perform the tasks listed in Section 042-2.3.

042-2.1 Section 042-2.6 appears to indicate that a fendering system is not required. Is that the case?

No, that is not the case. A fendering system is required as per Section 114. See sections 114-1.2 and 079-

4.2.1.

042-2.6 Please clarify what is acceptable and what is preferred. (Comment: Sec. 42-2.6 and Sec. 114-1.2 are conflicting statements.)

Section 042-2.6 provides information related to different storage methods of CB-OTH-IV while the parent cutter is underway. The purpose of this section is to provide information related to the Concept of

Operations. All methods of storing the CB-OTH-IV are acceptable but none of them is preferred. The methods are all mission, operational readiness, and material condition dependent. Section 042-2.6 has been revised to remove any doubt that a fendering system is needed and address any concerns regarding the use of air filled voids to meet bouyancy requirements as specified in 114-1.2.

042-4.4.9, Referenced

Documents

What is the purpose of referencing the Surface Forces TCTO Process Guidance, CGTO-PG-85-00-40-

S?

The TCTO Process Guide refers to the management of configuration changes submitted to the USCG. It is to be used as guidance, and will be provided as GFI.

050-1.1.5, Weight and Load

Definitions In the hoisting weight condition, can a standard be developed for crew placement?

No. There is no standard configuration or policy that dictates crew placement during hoisting and lowering. The crew will have to move around the boat as appropriate for the conditions they are in when being hoisted and lowered.

050-1.1.6, Weight and Load

Definitions

In the Performance Weight Condition, there can be no trim by the bow. Is USCG referring to a linear of angular dimension?

The trim referenced here is linear trim indicating that in the performance weight condition, the CB-OTH-

IV shall have zero trim or trim by stern in calm water (Sea State 0); trim by the bow is not acceptable.

051-1, Speed and Range Are the speed and range objectives based on using diesel fuel or JP-5? (The use of JP-5 fuel can reduce the speed up to 5% and can effect the range of the boat as well.)

The speed and range objectives are based on using diesel fuel.

070-2.1.4 Who supplies the hoisting apparatus and straps? The Contractor shall supply the hoisting system and straps.

070-2.1.4

The 7'10" restriction significantly impacts the objective requirement in 070-3.1.1.3 when coupled with other spec requirements for lowering of vertical appendages. Does the 10-minute requirement for lowering vertical appendages apply to each appendage or to the total?

The 10-minute requirement for lowering appendages applies to the total number of appendages.

070-3.1.1.3: Arrangements Re 070-3.1.1.3, protection from sun exposure and precipitation (objective): Is the objective additional coverage intended for only the crew of three (3) or is it desired for all five (5) seated personnel?

The objective is intended for the crew of three (3). Section 070-3.1.1.3 has been revised to make that clear.

070-5.1: Operating Environment Please clarify the threshold and objective wave heights for Sea State 5, i.e., 9 feet or 11 feet.

The wave height for “Mid Sea State 5” is 9 feet. This is the threshold. "Through Sea State 5” is 11 feet, which is the objective.

070-5.1: Operating Environment Please explain how bidders are to prove the boat offered meets this requirement.

The builder will show that the boat offered meets the requirements by conducting in-water testing and performing any necessary calculations.

073-1.1, Noise and Vibration

Re 073-1.1, The onboard A-weighted noise level at all RPMs, in Sea State 0 condition and while the boat is underway, shall not exceed 85 decibels (dBA): Is the 85 dBA reading requirement based on a partially or fully enclosed cabin configuration?

The CB-OTH-IV Specification does not call out an enclosed cabin. The 85dBA reading requirement is based on whatever crew protection solution an offeror proposes.

073-1.1, Noise and Vibration

Re 073-1.1, The onboard A-weighted noise level at all RPMs, in Sea State 0 condition and while the boat is underway, shall not exceed 85 decibels (dBA): Will the USCG consider increasing this requirement to a higher dBA requirement? (Comment: Currently the noise readings of a full enclosed cabin are around 85 dBA or 90 dBA. The wind noise alone can have a very large impact on the noise level readings.)

No, the USCG will not consider increasing this requirement to a higher dBA level.

073-1.1, Noise and Vibration

Re 073-1.1, The onboard A-weighted noise level at all RPMs, in Sea State 0 condition and while the boat is underway, shall not exceed 85 decibels (dBA): What speed condition applies to the dBA requirement? Is this for all speeds, or for cruise speed? Can headsets be used to meet the dBA threshold levels?

The dBA requirement is for all speeds. Headsets cannot be used to meet the threshold dBA level. Spec has been revised to clarify the requirement.

079-1.3, Stability Please clarify Section 079-1.3. The gunwale and deck edge are two very different parts of the hull. It is feasible the deck edge could be submerged but because of the foam collar above the deck edge, no water would enter craft and the deck edge would be dry.

Yes, the specification has been revised to define “stable” and to delete the deck edge submergence requirement.

079-2: Watertight/

Weathertight/Water Resistance

Requirements

Re "Weathertight as defined in 46 CFR 179-400, applies." Comment: 46 CFR 179-400 does not exist in any document that we can find in hard copy or on the internet.

This error in the spec has been corrected to reflect 46 CFR 175.400. Watertight means designed and constructed to withstand a static head of water without any leakage, except that ‘‘watertight’’ for the purposes of electrical equipment means enclosed so that water does not enter the equipment when a stream of water from a hose with a nozzle one inch in diameter that delivers at least 246 liters (65 gallons) per minute is sprayed on the enclosure from any direction from a distance of ten feet for five minutes.

Weathertight means that water will not penetrate in any sea condition, except that ‘‘weathertight equipment’’ means equipment constructed or protected so that exposure to a beating rain will not result in the entrance of water.

079-4: Flotation Re 079-4.2.4: Does this mean that all flotation foam must be readily removable? No.

080-1.1 Please clarify the logistics section with regard to deliverables. Various logistics sections are unclear whether the deliverable is required with the OT&E craft, once during the contract, or with each boat.

A list of deliverables and their delivery dates are now part of the RFP.

080-1.4.2

Re 080-1.4.2, 30+ Day Lead Time Materials: Does “available for purchase” mean for immediate delivery from the contractor to USCG, i.e., excess inventory at contractor's facility? Will there be a CLIN to cover the acquisition costs or will they be included in deep insurance spares (080-5.2) if not used during the life of the contract?

The USCG desires a list of spares that represent 30+ days lead time. There is no storage involved. Yes, there will be a CLIN for the deep insurance spares over the life of the contract.

080-2.2: Master Equipment

Configuration List (MECL)

Re 080-2.2, MECL: Does the Coast Guard have an instruction/directive that describes what entails

CIFD coding or is the contractor left to his own devices to assign an ESWBS, etc., number to code the configuration item?

The contractor will be provided CIFD training and draft CIFD values to use during the logistics conference.

085-3.1: 3-D Software Model Are contractor or USCG-initiated changes made to the 3-D model after the establishment of baseline configuration included in any ECP to cover the cost of updating the model or are they to be priced as part of the proposal?

The costs will be covered as part of the ECP process.

086-1.3, Format for Technical

Data

Won’t the USCG’s technical manuals requirement discourage potential bidders who are afraid of the requirement and other contractors who do not want to be blindsided by possible additional costs that are unknown at the time of the bid?

The USCG is very confident that there is enough interest in this procurement to support a small business set aside.

088-1.2: Performance Support and Training (PS&T)

Shouldn't there be more than one day of training? Offeror recommends 4-6 hours of underway training and 4-6 hours of maintenance training plus the classroom/on-board familiarization training.

The USCG’s experience is that one day for each is sufficient. The requirement stands as stated.

100, Hull Are there specific hull attributes that the USCG prefers such as dead rise, stem angle, or chine shape?

There are no specific hull attributes that the USCG prefers. The CB-OTH-IV hull needs to meet the specifications and be able to perform its missions in the environments described.

100-1.1, Hull Structure Will the USCG consider the use of a patented kevlar UHMW composite hull to optimize speed, weight, and durability?

(Advantages include improved speed and range, principal characteristics.)

No, the USCG wants to continue to use aluminum, which is a time tested material that has served the organization well for many years.

164, Ballistic Protection Is the weight of the ballistic protection included in the performance weight condition?

No. The weight of the removable ballistic protection system or the removable components of the ballistic protection system are not included in the performance weight condition. Section 164-1.1 has been revised to make this clear.

170-1: General

170-1.1

Any vertical appendages, including masts, that may be used shall be retractable by the crew in ten minutes or less and shall accommodate the following items:

(Comment: Is the ten minute time frame cumulative for all vertical appendages, if there are any

(crew space protective cover) additional to the mast or is the ten minutes per vertical appendage? Is the mast and/or additional vertical appendage to be retracted prior to hoisting or entering the ramp?)

10-minute requirement applies to the total number of appendages.

200, Propulsion What is the definition of the propulsion system?

The propulsion system is the marine diesel engine, reduction gear, cardon shaft, and the water jet. It does not include combustion air, shafting, cooling water, starting batteries, etc. Recent technical improvements made to the engine/water jet do not invalidate commerciality requirement as long as the marine diesel engine and water jet have been commercially available for at least one year.

200-1.2, Time to Plane

It is widely accepted that planing is defined as a vessel operating at a speed/length ratio of 3 or more. For a 26 foot boat and a waterline length of approximately 20'6", the planing speed is about 13.7 knots. Is this the planing speed to which the USCG wants the design to meet for planing or does the USCG want a higher, most economical planing speed to calculate range, etc.?

A boat is planing when it reaches the speed where it overtakes the bow wave, and the bow resumes its normal attitude. The boat can often be seen to leave its stern-wave some distance behind it. Planing speed is dependent on several variables, and each boat is different. However, for heavily loaded boats, the Volume Froude Number is a better factor for early stage design calculations, which shows a higher speed than V/L, which is better used for displacement boat’s prediction of "hull speed."

200-2: Alternate Fuels How often will the USCG utilize Alternative Fuel (JP-5)? Only during emergency situations when diesel fuel is not available.

200-2.1, Alternate Fuels What is meant by the phrase "Engine Performance?" Does this cover horsepower? Note that the use of JP-5 will degrade engine horsepower. Power reduction may be in the 3%-10% range.

Engine performance as used in this section refers to engine life only. It does not refer to HP.

200-2: Alternate Fuels Would the USCG revise the duty cycle to allow the intermittent duty rated engine? Engine manufacturer's guidelines only allow for up to 40% duty cycle for an intermittent duty rated engine.

The USCG will not revise the duty cycle to allow intermittent duty rated engine.

252-2.1, Instruments and Alarms

The wording in Section 252-2.1 implies that there is more than one engine on the CB-OTH-IV. Is that the case? The use of the word "each" implies there is more than one engine; however, Section 200-1.1 states, "The CB-OTH-IV shall be powered by a marine diesel engine with a water jet propulsor with a reverse reduction gear."

The CB-OTH-IV has only one engine. Section 252-2.1 has been revised to remove any suggestion of more than one engine.

252-2.1, Instruments and Alarms Re 252-2.1.4: Clarify "R/G Oil Pressure Gauge. R/G refers to Reduction Gear. Spec has been changed to reflect reduction gear.

252-2.1, Instruments and Alarms Re 252-2.1.5: Clarify "R/W" Pressure Gauge. R/W refers to raw water. Spec has been changed to reflect raw water.

300-1.3, Electrical Power

Generation and Distribution

Section 300-1.3 says, "The CB-OTH-IV shall be able to receive electric power from the parent cutter to maintain battery charge and to provide power to the engine block heater while stored on the cutter."

Comment: This will require two different feeds from the parent cutter-12+VDC to charge the batteries (Section 313 is silent on an installed CB-OTH-IV Battery Charger other than an engine driven alternator) and 120 VAC to power the block heater identified in 300-1.4.

Shore tie has been addressed in Section 300.

300-1.3, Electrical Power

Generation and Distribution

What is the power receptacle configuration and length of the Parent Cutter Power Receptacle and shore power cord?

Spec does not require the Contractor to provide a shore power cord, only a receptacle that is compliant with ABYC.

300-1.4, Electrical Power

Generation and Distribution

Section 300-1.4 says, "The engine block heaters shall be 120 Volts Alternating Current (VAC) for use while connected to the parent cutter’s electrical system through the shore tie cable."

Comment: Is a 120 VAC shore tie cable going to run to the parent cutter's electrical system? If so how will the DC batteries be charged since there is no battery charger specified?

Yes, 120 VAC shore tie is provided. Spec has been revised to require to a battery charger.

300-1.5, Electrical Power

Generation and Distribution Please clarify the term "Ungrounded." Is "isolated ground" the same as ungrounded?

No, "ungrounded" is defined as: Electrical equipment, wiring and other electrically conductive material likely to become energized shall be installed in a manner that creates a permanent, low-impedance circuit from any point on the wiring system to the electrical supply source to facilitate the operation of overcurrent devices should a second fault occur on the wiring system. The earth shall not be considered as an effective fault-current path. Ref: NEC 250.4.B.4 "Isolated ground" is defined as: An isolated ground is an electrical system where there is no intentional connection between the equipment grounding conductor path and the grounding electrode system. It fails to meet the basic requirements of the grounding system as it does not provide the effective ground path required by NEC and can result in unsafe and hazardous conditions.

300-1.6, Electrical Power

Generation and Distribution

Section 300-1.6 says, "The system shall be designed so that at engine idle speed the alternator shall provide sufficient output to power all electronics and lighting required for safe operation/navigation of the CB-OTH-IV."

Comment: This requirement sizes the engine driven alternator; Section 310-1.1 identifies the alternator requirements, that are not feasible. It may be possible to meet both requirements but we believe that if you meet this requirement you may not meet the second.

The propulsion system shall have an appropriately sized alternator to maintain a charge on the battery and meet operational loads while the CB-OTH-IV is operating from idle through full speed condition.

310-1: 12V DC Alternator

Section 310-1.1 says, "The CB-OTH-IV shall be provided with a marine grade 12 Volts Direct

Current (VDC) alternator. The engine driven alternator shall recharge the batteries from a completely discharged state to a completely charged state in eight (8) hours or less without exceeding a safe recharge rate."

Comment: This may determine the capacity of the alternator but if the battery is totally discharged the engine won't start to turn the alternator. In fact the engine won't start long before the battery is fully discharged. This is an impossibility to provide. The parent cutter or shore based battery charger (12+VDC output) can be designed to meet this requirement. A 120 VAC shore power cable (300-1.4) will not provide proper power for charging a DC battery without going through a charger or inverter, that are not specified.

Section 310-1.1 has been updated to state, "The CB-OTH-IV shall be provided with a marine grade, engine-driven 12 Volt alternator to supply power for charging the batteries and supply the 12 VDC electrical distribution system over the expected usage of the CB-OTH-IV."

Section 313-1.8 has been revised to say, "A 120 VAC installed battery charger shall be provided. It shall be powered by the shore tie described in Section 320-1.6 and shall be capable of recharging a fully discharged battery between 12 and 24 hours."

410-1.1: Requirements for

Control Stations and Data

Display Systems

It is possible that some of the specified radios do not have dimmable displays; in such case is the contractor to provide dimmable components outside of the purchased radios to meet this requirement? Will the Coast Guard provide the frequency for the NVIS to allow the contractor to provide the required filter or will the Coast Guard consider providing the NVG filter as GFE?

The USCG is not aware of any radios specified that do not have dimmable displays. There shall be no substitution for any radios or SINS devices. Where a device is specified as a reference and is noted as “or equal,” the Contractor may propose an equal if that device meets all the requirements. The USCG will not provide the frequency for the NVIS, nor will the USCG provide the NVG filter as GFE.

423-1.1: SINS

Are displays required to be side by side and viewable by both coxswain and Navigator? Is it acceptable to have one display viewable by both the navigator and the coxswain at the helm station to meet the threshold requirement? If the helm and navigator displays are side by side, it limits the deck configurations available to a side by side station, which makes it difficult to meet the threshold requirements.

Yes, it is acceptable to have one display viewable by both the navigator and the coxswain at the helm station to meet the threshold requirement.

424-8: Over the Horizon Blue

Force Tracking (iBFT) System

Will the USCG provide the Blue Force Tracking system or is the Contractor required to provide this equipment? It is not clear if the Contractor must install the two (2) antennas identified in sections 424-8.7 and 424-8.8.

The USCG will provide the system. The Contractor shall factor the size, weight, power use, and antenna system based on the L3 Communications iridium-based/global Over-The-Horizon iBFT Satellite

Transponder System, or equal for future installation. This includes reserving console space and antenna farm considerations for two future antennas. The spec has been revised to reflect this.

581-1, Table 581-1

USCG specifies the size of shackle, chain, swivel, thimble and line but does not specify the weight of the anchor. Is the contractor to defer to ABS HSC (ABYC) for that requirement? If ABYC is used, it specifies two anchors for a craft of over 20 feet. A four pound Fortress anchor is specified for a boat from 16'-27', and, per ABYC H-40, a 12 pound Danforth anchor provides the necessary holding power. Either solution works, but does the USCG have a preference for Fortress or

Danforth?)

The specified anchor is a 4 pound Danforth type. Spec has been revised to remove any mention of

Fortress.

582-1.2 Q: What is the preferred weapon mount? Mk 97? MK 16 gun mount is preferred.

582-5-2, Lifting Fittings and

Slings

Re hoisting fittings and appropriately sized sling capable of hoisting the boat in the full load weight condition using a single point davit system: Please confirm the requirement to size fittings for a weight at which they are not to be lifted.

Yes, the requirement is to size the fittings and the sling for the full load weight condition. Requirement stands.

582-5.3, Lifting Fittings and

Slings

The CB-OTH-IV is required to have hoisting fittings that can hoist the boat in the full weight condition which is greater than the hoisting weight condition. Is that correct?

Yes, that is correct. The CB-OTH-IV lift points (pad eyes) shall be designed with a minimum factor of safety of 6.0 based on the full load weight condition of the CB-OTH-IV and ultimate strength of the material. The CB-OTH may be recovered in full load condition using the stern gantry. Hoisting fittings are required to be designed for the full load condition assuming that same hoisting fittings are to be used when hoisting the boat using the single point davit system.

582-5.3: Lifting Fittings and

Slings

The craft shall not exceed 8,500 lbs in the Performance Weight Condition. The delta between

Performance Weight Condition and Full Load Weight Condition of 9,260 lbs exceeds the davit capacity on the NSC: 8 X 220 = 1760 lbs or 20+ % of the Performance Weight Condition or 7+ times factor of safety of fitting design. Is it the intention to design to something not specified in

Section 050?

The lift points (padeyes), and sling system are to be designed with a factor of safety of 6.0 based on the ultimate strength of the material used for construction and using the weight in the Full Load condition.

As stated in Section 050-1.1.5, the hoisting condition is same as performance condition, so the CB-OTH-IV weight will not exceed 8,500 lbs when lifted by NSC side davit. The requirement stands as stated.

600-1, Table 600-1

Please provide a website or other methods to search for the description of the NSN or provide more detailed descriptions to include make and model of these items.

(Comment: We are unable to identify all NSN numbers that are listed. )

The Contractor can use the website at this link to obtain information regarding items with Navy Stock

Numbers: http://www.dlis.dla.mil/webflis/pub/pub_search.aspx. Using the CAGE provided by the website, the Contractor can then go to the actual manufacturer and purchase the items using the part numbers associated with the NSNs.

631, Colors, Coatings, and

Appearance This Section 613 should be 631 to be consistent with SWBS. The spec has been corrected to agree with SWBS.

811-3.1.10: Equipment Markings Some electronic system components are of such small size that a metal tag meeting the size requirements of 811-4.2 is impossible to meet.

Spec has been revised to change component to equipment.