Attachment_4a_25-102-238-R-_Emergency_Helm_Pump_Installation_0002.pdf

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Attached to
HAULOUT OF THE R/V KIYI
Solicitation number
140G0225R0017
Issued by

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This document is a technical engineering drawing for an Emergency Helm Pump Installation for the U.S. Geological Survey's Research Vessel Kiyi (MDC Hull 589). The detailed schematic shows a steering system modification, including a new emergency helm pump and existing hydraulic components. The drawing includes a bill of materials listing specific steel components, flexible hoses, and fittings, with a focus on precise technical specifications for the hydraulic system modification. The document is prepared by JMS Naval Architects, located in Mystic, CT, and is part of the technical documentation for the vessel's haulout and system upgrade.

The drawing provides a comprehensive technical view of the steering system, featuring detailed views labeled Detail 5-B and annotations for existing and new components, including existing jockey bar assembly, hydraulic lines, and mounting assemblies. The technical specification includes precise measurements, material types (primarily steel), and references to specific engineering standards, supporting the technical requirements for the vessel's helm pump installation as part of the U.S. Geological Survey's marine research vessel maintenance project.

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70 Essex St.

Mystic, CT 06355 voice 860.536.0009 fax 860.536.9117 jms@jmsnet.com

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GENERAL NOTES

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REFERENCES

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1. DRAWING IS BASE ON AS BUILT CONDITION, CONTRACTOR TO VERIFY EXISTING DRAWING IS BASE ON AS BUILT CONDITION, CONTRACTOR TO VERIFY EXISTING CONDITION AND NEW MATERIAL REQUIRED PRIOR TO ORDERING AND INSTALLING EQUIPMENT. 2. ALL WORKMANSHIP, MATERIALS AND COMPONENTS TO CONFORM TO ABS ALL WORKMANSHIP, MATERIALS AND COMPONENTS TO CONFORM TO ABS MARINE VESSEL RULES. 3. FLEXIBLE HOSE LENGTHS SHALL NOT EXCEED 30". FLEXIBLE HOSE LENGTHS SHALL NOT EXCEED 30". 4. NEW PIPE FITTINGS TO BE THREADED, CLASS 6000, ASTM A-105. NEW NEW PIPE FITTINGS TO BE THREADED, CLASS 6000, ASTM A-105. NEW THREADED TEE FITTINGS PRESSURE CLASS TO BE EQUAL TO THE PRESSURE CLASS OF THE EXISTING TEE FITTINGS IN THE SYSTEM. SHIPYARD SHALL CONFIRM PRESSURE CLASS OF EXISTING TEE FITTINGS. 5. PIPE TO BE SUPPORTED AS NEEDED. PIPE TO BE SUPPORTED AS NEEDED. 6. PIPE AND HELM PUMP LOCATION AS DRAWN ARE APPROXIMATE. FINAL PIPE AND HELM PUMP LOCATION AS DRAWN ARE APPROXIMATE. FINAL LOCATION SUBJECT TO VESSEL CREW APPROVAL. 7. WHEEL FOUNDATION NOT SHOWN. DETAILS TO BE DEVELOPED BY SHIPYARD WHEEL FOUNDATION NOT SHOWN. DETAILS TO BE DEVELOPED BY SHIPYARD TO SUIT INSTALL LOCATION.

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REVISION:

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SHEET:

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REV

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DESCRIPTION

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DATE

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APPROVED

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REF

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DESCRIPTION

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DRAWING

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REV

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STEERING HYDRAULIC SYSTEM

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US GEOLOGICAL SURVEY

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ASHLAND, WI

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R/V KIYI, MDC HULL 589

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EMERGENCY HELM PUMP INSTALLATION

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AutoCAD SHX Text THIS DOCUMENT IS THE EXCLUSIVE PROPERTY OF JMS AND IS FURNISHED ON A CONFIDENTIAL BASIS. THE RECIPIENT OF THE INFORMATION CONTAINED HEREIN MAY NOT DISCLOSE OR MAKE AVAILABLE THE SAME TO ANY OTHER PERSON OR BUSINESS FIRM, NOR MAY THE SAME BE USED EXCEPT FOR THE SPECIFIC PURPOSE INTENDED. JMS SHALL NOT BE HELD RESPONSIBLE FOR ANY UNAUTHORIZED CHANGES TO THIS DOCUMENT OR ITS INTENT.

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LML

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AS NOTED

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SHEET 1 0F 2

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DJF

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ANSI B

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EXISTING TILLER ASSEMBLY P/S

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STEERING SYSTEM MODIFICATION

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ABV LKG DOWN SCALE: 1/2" = 1'-0"

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NEW EMERGENCY HELM PUMP DETAIL 5-B

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EXISTING STEERING RAM P/S

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EXISTING CYLINDER CLEVIS MOUNTING ASSEMBLY

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EXISTING BHD

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MATERIAL SCHEDULE

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SYSTEM

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DESIGN TEMP AND PRESSURE

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SIZE

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PIPE

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JOINTS

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VALVES

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FITTINGS

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EMERGENCY HELM PUMP

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-20° F (MIN)150° F (MAX)3125 PSI

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2" AND BELOW

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ASTM A-53 OR ASTM A-105 SCH 160 GALV. STEEL

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NPT GALV. MALLEABLE IRON

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STEEL, NPT

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STEEL, NPT

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EXISTING TOW-KNEE PAD P/S

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EXISTING BHD

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EXISTING HYDRAULIC POWER UNIT

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EXISTING JOCKEY BAR ASSEMBLY

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EXISTING WT HATCH ABOVE

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EXISTING MANHOLE P/S

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FR 46

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FR 47

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FR 48

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FR 49

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FR 50

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BILL OF MATERIALS

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NOTE

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MATERIAL

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NAME

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QTY

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ITEM

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6000 LB, ASTM A-105, 1/2" NPT TO FEMAL SOCKET

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STEEL

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1/2" HEX NIPPLE

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ASTM A-105, THREADED

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STEEL

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1/2" SCH 160 ELBOW

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ASTM A-53, THREADED

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STEEL

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1/2" SCH 160 PIPE

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MIN 20" DIAMETER, INCLUDE SUICIDE KNOB

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STAINLESS STEEL

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EMERGENCY HELM WHEEL

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JASTRAM H36

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VARIOUS

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EMERGENCY HELM PUMP

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THREADED, ASME SA105 & B16.11, SEE NOTE 4

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STEEL

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3/4" X 3/4" X 1/2" TEE

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BLACK BODY, NPT, 6000 PSI

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STEEL

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1/2" BALL VALVE

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AutoCAD SHX Text 3,125 PSI WP, 12,500 PSI BURST, CRIMP SWIVEL FITTINGS, 1/4" NPT ON ONE END, 1/2" NPT ON OTHER END

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VARIOUS

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1/2" FLEXIBLE HOSE

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6000 LB, ASTM A-105, 1/2" NPT TO MALE SOCKET

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STEEL

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1/2" HEX NIPPLE

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70 Essex St.

Mystic, CT 06355 voice 860.536.0009 fax 860.536.9117 jms@jmsnet.com

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REVISION:

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SHEET:

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DRAWING NO:

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AutoCAD SHX Text THIS DOCUMENT IS THE EXCLUSIVE PROPERTY OF JMS AND IS FURNISHED ON A CONFIDENTIAL BASIS. THE RECIPIENT OF THE INFORMATION CONTAINED HEREIN MAY NOT DISCLOSE OR MAKE AVAILABLE THE SAME TO ANY OTHER PERSON OR BUSINESS FIRM, NOR MAY THE SAME BE USED EXCEPT FOR THE SPECIFIC PURPOSE INTENDED. JMS SHALL NOT BE HELD RESPONSIBLE FOR ANY UNAUTHORIZED CHANGES TO THIS DOCUMENT OR ITS INTENT.

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R/V KIYI, MDC HULL 589

AutoCAD SHX Text 106'-7" X 27 X 11'-10 3/4"

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US GEOLOGICAL SURVEY

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ASHLAND, WI

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EMERGENCY HELM PUMP INSTALLATION

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LML

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AS NOTED

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SHEET 2 0F 2

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DJF

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ANSI B

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DETAIL 5-B

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ABOVE LKG DOWN SCALE: 1" = 1'-0"

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EXISTING HYDRAULIC LINES

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END OF PIPE TO HAVE 1/2" NPT COUPLING

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EXISTING HYDRAULIC LINES

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EXISTING HYDRAULIC LINES

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EXISTING STEERING RAM P/S

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EXISTING TOW-KNEE PAD P/S

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EXISTING HYDRAULIC POWER UNIT

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EXISTING JOCKEY BAR ASSEMBLY

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EXISTING WT HATCH ABOVE

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EXISTING MANHOLE P/S

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END OF PIPE TO HAVE 1/2" NPT COUPLING

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EXISTING TILLER ASSEMBLY P/S

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FR 49

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FR 48

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FR 47

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EXISTING HYDRAULIC LINES

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Sheets and Views
25-102-238 Emergency Helm Installation-1
25-102-238 Emergency Helm Installation-2

File details come from the government source that posted it. Updated .