1 RFCs 019 - 023.pdf
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- USNS APACHE (T-ATF 172) FY20 Mid-Term Availability (MTA) - Solicitation Federal contract opportunity
- Solicitation number
- N3220520R7001
About this file
This document contains clarification requests and answers regarding a solicitation for maintenance work on the USNS Apache. The solicitation seeks maintenance and repair services for the motor control center, accommodation ladder, plumbing piping, electronic test equipment calibration, and fuel and lube oil purifiers aboard the vessel. Clarification was provided on the quantities for motor controllers and gangway dimensions, as well as confirmation that no decking repairs are included. Two work items were deleted and answers included the correct equipment models installed, recommended repair parts ordered, and updated work instructions. The solicitation involves Mid-Term Availability work for the USNS Apache conducted by the Department of the Navy Military Sealift Command.
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Text version
N3220520R7001
USNS APACHE (T-ATF 172) FY20 MTA
ATTACHMENT J - 8
REQUEST FOR SPECIFICATION CLARIFICATION
RFCs 019 – 023
RFC 019
SPECIFICATION ITEM NO.: __352___________________
PARAGRAPH / SECTION NO:__3.2.6_______________
TITLE: _MOTOR CONTROL CENTER CLEANING_________________
QUESTION:
Paragraph 3.2.6 states that there are twenty-seven (27 qty.) Individual Motor Controllers, but the Enclosure 2.2.2 shows that there are thirty-six (36 qty). Please clarify the correct quantity.
ANSWER:
Updated para 3.2.6 to read thirty-six (36).
Updated WI 0352 attached.
RFC 020
SPECIFICATION ITEM NO.: __658___________________
PARAGRAPH / SECTION NO:__6.5.1_______________
TITLE: _ACCOMMODATION LADDER MAINTENANCE AND TESTING (5YR) _
QUESTION:
Please provide the quantities and dimensions for the falls that are to be renewed in paragraph
6.5.1 as the references listed do not provide them.
ANSWER:
The WI 0658 is not correct. The Apache does not have a conventional Acomm Ladder. Apache has a Gangway.
Attached are the correct revised WI 0685 and 0657.
Attached is the correct Reference drawing 1.1; NAVSEA Drawing No. 805-1749049, Gangway Aluminum.
RFC 021
SPECIFICATION ITEM NO.: __503___________________
PARAGRAPH / SECTION NO:__1.1_______________
TITLE: _PLUMBING PIPING REPAIR ___
QUESTION:
The Drain and vent piping replacement occurs within stateroom heads. Is there to be flooring repairs made, e.g. tiles or terrazzo?
ANSWER:
As of now no decking is scheduled to be replaced. The piping has joints below the actual deck drain.
RFC 022
SPECIFICATION ITEM NO.: __492___________________
PARAGRAPH / SECTION NO:__3.2.1_______________
TITLE: _CALIBRATE ELECTRONIC TEST EQUIPMENT (GPETE)(ANNUAL)___
QUESTION:
Enclosure 2.2.1 has no listed equipment. Please provide a list of the equipment needing calibration.
ANSWER:
Work Item 0492 is no longer required and has been deleted from the package.
RFC 023
SPECIFICATION ITEM NO.: 0597
PARAGRAPH / SECTION NO: 3.2.1, 5.3, 7.2
TITLE: #1 & #2 Lube Oil Purifier
QUESTION:
As per the Alfa Laval Field repersentitive, Item# 0597 calls out for #1 and #2 LOP Units MAPX205 open, clean, inspect, and test: This is incorrect the units that are onboard are
WHPX505-TGD-24-60
Item# 0597 sec 5.3 Contractor shall perform a ship check to determine the level of overhaul required: No ship check can be accomplished. The only way to determine the level of overhaul required, is to test, open and disassemble the unit for proper inspection. Which is what section 7.2 is asking for.
Parts: according to the Alfa Laval Field Rep, Parts kits were sold with the last Apache job. Do new kits need to be quoted? There weren’t any Government Furnished parts listed.
Please identify which units are onboard now and what parts are needed.
ANSWER:
Per shipcheck performed by Alfa Laval Field Service Technician during USNS Apache maintenance available dtd 03-30-2020 the following is the installed:
#1 Fuel Oil Purifier: WHPX 505 TGD 2460, Ser # 2986621 #2 Fuel Oil Purifier: WHPX 505 TGD 2460, Ser # 2986620 #1 Lube Oil Purifier: WHPX 505 TGD 2460, Ser # 2986623 #2 Lube Oil Purifier: WHPX 505 TGD 2460, Ser # 2986623
The four (4) sets of the following kits are on order from OEM Alfa Laval and will be available as Government Furnished Material:
Kits needed for WHPX505 24 60 units Minor Kit 99198092 - Replaces wear parts in the bowl.
Intermediate Kit 99198093 - Replaces wear parts for the spindles.
Major Kit 99198094 - Replaces the worm wheels.
Pump Kit 99199049 - Replaces wear parts in the feed pump. (Feed Pump is driven by the horizontal shaft of the unit. Must be removed to repair the spindle and gears.)
MSC Notes that shipcheck cannot be performed at this time, however OEM Field Service Technician performed a shipcheck on 03-30-2020 and all recommended repair parts for overhaul were ordered.
WI 0597 is updated to accomplish the DO Purifiers is attached as well as SP264-AG-MMO- 010_0_0 for reference.
File details come from the government source that posted it. Updated .