Attachment 1 RFC-001 USNS WMC.pdf

USNS WILLIAM MCLEAN (T-AKE 12)

VRA Apr 2026 – N6817126QN006

RFC ITEM

NO.

Work Item Description BIDDER QUESTION RESPONSE TO BIDDER

QUESTION

1. WI 0629 MMR Bilge Preservation

7.1 Tag-Out all

required systems and equipment. Drain and dispose of any liquid in accordance with all federal, state, and local regulations.

7.6 CAUTION: Two

Main Diesel Engines will be opened for overhaul for the entire availability.

Protect engines from paint and dust contamination.

7.14 Pump affected

areas dry and no remaining standing water is permitted.

Question 1:

Paragraph 7.1 please give an estimate of kind of liquid and quantity to dispose.

Question 2:

Paragraph 7.6 Is not recommended to perform this work at same time of cleaning and painting, please advise priority.

Question 3:

Paragraph 7.14 please provide photo of space.

Question 4:

Is not recommended to paint the bilge/hull below the waterline, who will take the responsability?

0629-1 – 7.1 No ship system liquid is anticipated to be drained – this is a generic statement in many work items.

However, oily waste water is anticipated due to pressure washing of surfaces.

0629-2 – 7.6 Main Diesel Engine No.1 may be opened for overhaul by the OEM – there is a separation distance between the Engine and bilge area preservation. The dust containment together with blower ventilation required by paragraph 7.7 is to minimize contamination.

0629-3 – Photo not available.

0629-4 – The area of the bilge to be worked is the tank top or innerbottom not shell plating.

2. WI 0630 MMR Various Equipment Deck Covering

PRC Epoxy Install

7.1 Contractor shall

remove all interferences in way of work performance.

Upon completion of work and when directed by the

0630-5 – 7.1 No ship equipment is anticipated to be removed -this is a generic statement in many work items. There is clearance of approximately 4

MSC rep, reinstall interferences.

Question 5:

Paragraph 7.1 what you mean for interferences, most of things are welded/bolted to the deck.

Question 6:

As per WI 0629, this work cannot be done at same time of engine opening, please advise.

Question 7:

Please provide photo of all area listed on paragraph 3.1.

inches below each piece of equipment.

0630-6 - there is a separation distance between the Engine and areas of Equipment Deck Covering. The protective covering required by paragraph 7.2, together with ventilation and exhausting systems required by paragraph 7.5 is to minimize contamination.

0630-7 – The available photos were already provided in the work item – no additional photos are available.

3. WI 1001 Gypsy Winch Master Control Pedestal

Foundation Plate

7.3.1 Remove wire from

control box. Inspect wire insulation. Accomplish a resistance check on each cable and submit a condition report to Port Engineer. If wire is damaged, replace with new wire.

Question 8:

Paragraph 7.3.1, are the wires running inside the pipe stand of control box?

1001-8 – Yes the wires are inside the pipe.

4. WI 0102 Exterior Weather Deck Handrail

Replace

Question 9: Are the stanchions welded on doublers plate or to the deck directly?

Question 10: Provide few photo of handrails to replace.

Question 11: Material is stainless steel 316?

Question 12: Provide thickness of pipe listed in 3.1

Question 13: Provide

0102-9 – Stanchions are welded to the deck.

0102-10 – Similar installation is provided in files: “Answer 10 Work Completion Report_Handrails Renew Exterior” and “Answer 10 Work Completion_kingpost handrail renew”.

0102-11 – Material is 304L as identified in paragraph 7.1.3 drawings. 0102-12 – As identified in paragraph 7.1.3 the thickness of 1 inch pipe is Schedule 40 while the ¾ inch round bar is solid.

0102-13 – No drawing is available for this class of vessel.

5. WI 0104 UNREP Stations 3 thru 6 Kingposts

Preservation

3.2.1 Stations 03 and 04

(Frame 49 Port and Stbd)

3.2.2 Stations 05 and 06

(Frame 55 Port and Stbd)

7.1.1 Scaffolding is

required to be installed up to the top of the kingpost to allow for safety or personnel.

7.3 Pressure wash all

surfaces of king posts to SSPC SP-1 using CFM biodegradable solution.

Utilize pressure washer with 2,500psi – 4,500psi to remove salt, grease, stains, flaking paints, etc.

Question 14: Provide photo of location listed in 3.2

Question 15: Paragraph 7.1.1, specify max height to reach.

Question 16: Can the ship provide power and water?

Question 17: Paragraph 7.3 for this work a complete protection to environmental cases must be provided; also water needs to be collected and disposed. Is possible to clean the area preservated only with detergent and rags (by hand) in order to avoid the washing of entire kingpost?

0104-14 – See file “Answer 14 Kingpost No 4”.

0104-15 – The heights of the kingposts can be viewed in file

“8499076_GENERAL

ARRANGEMENT”

0104-16 – 120V electrical power for portable hand tools will be available from the vessel.

Contractor must provide water.

0104-17 – Pressure washing is considered essential.

6. WI 0108 UNREP Stations 3 thru 6 Vertical Ladders

Modification & Preservation

7.3 Provide and erect all

necessary staging and/or provide suitable alternative means as required for proper working conditions.

Question 18: Provide photo and drawings of ladder.

Question 19: Paragraph 7.3, could you specify max height to reach?

0108-18 – See file of photos “Answer 18 Vertical ladders”.

Additional drawings will be provided by DoDSAFE.

0108-19 – The heights of the ladders can be viewed in file

“8499076_GENERAL

ARRANGEMENT”

7. WI 0109 Exterior Light Brackets

4.2.1 It is anticipated that

scaffolding/ladders will be necessary to safely reach 50% of the light brackets.

Question 20: Paragraph 4.2.1, specify max height to reach.

0109-20 – Height of 16 feet.

8. WI 0301 Kick Pipe & Stuffing Tube

7.1.1 Ships Force, MSC Rep

and SY perform an inspection of all penetrations identified above to be replaced. A report shall be submitted via Condition Report that lists the size of the tube, the length of cable to be pulled back, condition of EMI shielding, number of conductors, interferences, and circuit designation.

7.3.3.3 Provide and erect

staging to facilitate access to deck and bulkhead cable penetrations where applicable.

7.3.3.4 Cable penetrations

will require cables to be pulled back and removed prior to pipe penetrations removal and reinstallation.

Notify Ships Force to ensure cables are de-energized, tagged out, etc.

7.3.3.7 Some cable

0301-21 – Report is to be issued by contractor.

0301-22 - Height of 16 feet.

0301-23 – Length of 50 feet each.

0301-24 – See file “Answer 24 7489017_C Insulation Details”.

0301-25 – See file of Photos “Answer 25 Work Completion Stuffing Tubes Kick Pipes”.

penetrations will require lagging and insulation to be removed for replacement of penetration. For estimation purposes, assume 15FT^2 of lagging/insulation to removed and reinstalled.

7.3.3.8 Some Cable

penetrations may require overhead panel removals and reinstallation. For estimation purposes, assume 4 locations will require overhead panels to be removed. For the 03 kick pipe, the overhead in the decon station is a stainless steel welded compartment.

Reinstallation must be a welded piece.

Question 21: Paragraph 7.1, please provide report with photo.

Question 22: 7.3.3.3 specify max height to reach.

Question 23: 7.3.3.4, please give an estimate of cable length to remove and reinstall.

Question 24: 7.3.3.7 please specify type of insulation to use.

Question 25: 7.3.3.8 please provide photo.

9. WI 0515 MMR Deck Grating Diamond Plate

Install

Question 26: Please could you specify the max width of grating?

0515-26 – Width of 4 feet.

10. WI 0516 Reverse Osmosis Platform Modification

3.2.1 4 inch Steel angle, 8 Feet length

3.2.3 2 inch steel angle, 6 Feet length

Question 27: Please specify

0516-27 – 4 inch x 4 inch x 3/8 inch angle. 2 inch x 2 inch x ¼ inch angle.

0516-28 – Provide and install stainless steel fasteners.

thickness of steel angle listed in 3.2.1/3.2.3

Question 28: Angle bar / flat bar are in steel, while the sheet cover is in aluminum, how are you going to weld the angle bar on it?

11. WI 0517 Exterior Weather Deck Pipe

Bracket Replace

7.9 Remove welded pipe

hangers and pipe hanger bracket clamp as identified in paragraph 7.3.

Question 29: Paragraph 7.9 -remove complete until the doubler plate or overlap to existing angle bar as per attached photo?

0517-29 – Overlap to existing angle bar or submit Condition Report if the corrosion degradation of the steel is excessive. See file “Answer 29 Work Completion _PIPE

HANGERS RENEW HOUSE

EXTERIOR”.