Questions and answers.pdf
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- Attached to
- Regulatory Dry Dock Training Vessel Kings Pointer(TVKP) Federal contract opportunity
- Solicitation number
- 6933A222Q000016
About this file
This document contains questions and answers regarding dry dock repairs for the training vessel Kings Pointer. The vessel requires saltwater cooler piping maintenance including replacement of fittings, valves, and zinc anodes. Propeller cleaning and painting services are also within scope. Responses indicate that ASME and military welding standards are acceptable, along with 3000# socket weld fittings for piping. Valve quantities and locations are specified. One 1500 bow thruster is present with a 1200mm diameter, 4-bladed propeller. Power tools are permitted for surface preparation where needed. All coatings shall be Sherwin Williams paints.
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Questions and answers
1. Please provide Windward Gauging from April 2022?
Attachment
2. Please provide HVAC Diagram DWG: 1547-6001?
3. Both ASME, which is approved by the Navy, and MIL welding procedures, as well as qualified welders to these procedures, that are available for approval by ABS. Is this acceptable?
Answer YES
4. Will 3000# Socket weld fittings be acceptable for all fittings (Elbows, Tees unions , etc.)? Answer YES
5. Please state exact amount of valves and placement in scope Item 227 to include:
Answer: : Item 227
- 2 each 1.5" gate valves (red. gear coolers only, cooler inlet) , 4 each 1.5" globe valves
(Cooler discharge), 4 each 1.5" ball valves. -All valves to meet or exceed ABS standards.
-No preferred brand
-150#
- All bronze
-Preferably all valves will be flanged, threaded valves can be used where needed
(clearance issues, etc.), but unions must be installed for removal and maintenance of threaded valves and piping.
6. Where flanges are needed, what rating shall be used (150#, 300#)?
Answer: 150
7. Is a PI&D (piping schematic ) for the SALTWATER COOLER PIPING that shows the reduction gear coolers and CPP coolers and existing routing drawing available that shows sources, users that also details of connection points.
8. Is a piping Spec available for this vessel regarding the SALTWATER COOLER
PIPING?
9. Please provide details of threaded sacrificial zinc anodes and their placement/quantity.
Answer: 2 each 3/4" zincs per system. Red. gear: closest as possible to cooler, one on inlet side, one on outlet side. CPP: In accessible spots, one on inlet side, one on outlet side. For CPP system, the shipyard can determine what will be easiest and check with me to ensure that they are easily accessible.
10. 1 ½” Sch 120 is unavailable in lower bore sizes. Please confirm schedule size, 80 or
160?
Answer: Schedule 80 will be acceptable for these systems.
Work Item 205 See Valves
11. How many valves are electrically actuated?
Answer: No valves are electrically actuated, one valve is pneumatically actuated (bow thruster exhaust)
Work Item 208 Propellers Cleaning
12. Does the bow thruster have a propeller on the port and starboard sides or only one propeller?
Answer: One CP propeller
13. What is the size and diameter of each propeller?
Answer: 1,200mm diameter
14. How many blades are present on each propeller?
4 blades
Prep and Coatings Scope
15. Is power tooling an acceptable alternative to abrasive blasting in small areas or where abrasive blasting could damage equipment?
Answer: Yes
16. Is Sherwin Williams paint suitable for all painting on the vessel? Some of the work items mention International paint (i.e. Crane Maintenance) while others mention
Sherwin Williams.
Answer: Yes all coatings are to be Sherwin Williams.
17. Could MARAD provide an estimation of the number of spools to be galvanized and the approximate weight of each spool?
Answer: Spools are not to be galvanized.
File details come from the government source that posted it. Updated .