Loren Data's SAM Daily™

FBO DAILY ISSUE OF JANUARY 15, 2012 FBO #3704
SOLICITATION NOTICE

J -- USS FRANK CABLE LP TURBINE OVERHAUL

Notice Date

1/13/2012
 

Notice Type

Presolicitation
 

NAICS

336611 — Ship Building and Repairing
 

Contracting Office

Department of the Navy, Military Sealift Command, MSFSC Norfolk, Building SP-64, 471 East C Street, Norfolk, Virginia, 23511, United States
 

ZIP Code

23511
 

Solicitation Number

N40442-12-T-5006
 

Archive Date

2/11/2012
 

Point of Contact

Melanie A. Barrett, Phone: 757-443-5962, Clenton A. Shanks, Phone: 7574435916
 

E-Mail Address

melanie.barrett@navy.mil, clenton.shanks@navy.mil
(melanie.barrett@navy.mil, clenton.shanks@navy.mil)
 

Small Business Set-Aside

Total Small Business
 

Description

A. Statement of Work: Provide the necessary Field service engineer, an OEM "OR EQUAL" turbine technical field service rep experienced and knowledgeable in De Laval marine propulsion Turbines and Ship's Service Turbine Generators, and labor, tools and material required to carry out all required work to open/inspect, remove/reinstall, repair, operationally test the LP turbine and main reduction gears. B. LP TURBINE ROTOR CHANGE OUT: LP Turbine Description/Quantity Mfr:................................SIEMENS DEMAG DELAVAL Mfr Dwg:..........................H2729 & H2731 Type:..............................HIM EQUIP SPEC:...................MILT17600 Design Speed:....................5,322 RPM No. Stages:.......................6 Single Flow & 2 Astern Exhaust Pressure:...............5 lb Absolute Weight of LP Rotor:............5,650 lbs Bearing Span:....................76" Rotor LOA:......................90-1/4" Maximum Rotor Diameter:....45-1/2" Weight of Upper Casing Half: 8,400 lbs SIEMENS DEMAG DELAVAL LP Turbine rotor as GFM. Prior to open and inspect of the turbine take, record and provide the MSCREP with an "as found" condition report with the following information: (1) LP Turbine: A. Thrust bearing clearance B. Turbine nozzle clearance C. Total float clearance (2) Contractor to prove that the turbine operation is in a non stick and non binding condition. Using casing guide bars temporarily detach, disconnect, rig, suspend and support the LP turbine upper casing half and steam chest. Suspend and support the upper casing on Contractor furnished cribbing that provides easy access to remove the LP turbine rotor and diaphragms and the turbine lower casing half provide for MSC and ABS inspections. Remove and set aside for reinstallation the LP turbine oil deflectors, packing boxes, bearing caps and bearings. Reinstall in good order to design form, fit and function. Rig the LP turbine rotor and remove from ship. Place rotor in a location so MSCREP and ABS surveyor can perform inspection. (1) Take and record "as found" and "as released" conditions of the turbine rotor, diaphragms, nozzle block, labyrinth packing with color digital photographic record to include but not be limited to: a) Rotors shaft wear and total indicated run out. b) Rotors condition and dimensions in way of bearing journals, thrust collar and labyrinth seals c) Rotors Wheel material condition d) Rotors Stages blades, shroud bands and tendons material condition with special attention to the first and last stages: • Blade fractures • Blade erosion • Blade corrosion • Blade rub e) Labyrinth packing and springs condition: • Labyrinth rub • Frozen inter-stage packing segments • Broken segment springs • Steam channeling under the inter-stage packing f) Rotors thrust collar wear g) Diaphragms split line fit condition h) Diaphragms pair plane fit and alignment i) Diaphragm blades, shroud bands, tendons and packing fit condition Detach, disconnect and remove upper and lower casing internals inclusive of the nozzle ring, diaphragms, labyrinth packing and seals. Take and record digital photographic record of any defects, damaged or broken springs.. Chase, clean and tap all threaded holes in the casing halves, diaphragms and all studs and fasteners. (1) Drill, tap out and install Helicoils and renew all broken studs, retaining screws and fasteners. For estimating purposes a total of six (6) each studs, retaining screws and fasteners shall be dealt with. Prove casing drain is free and clear and casing belly drain is leak free to MSCREP and Chief Engineer prior to setting turbine rotor in place and final casing closure. Reinstall diaphragms and nozzle block to design form, fit and function in good alignment and to design radial and axial tolerances. Install, align and fit the diaphragms to the bearing bores utilizing an alignment bar with Contractor furnished dummy bearings. Secure the diaphragms in place using all new Contactor furnished shims and fasteners. (1) Install new Turbine rotor. (2) Align the upper half diaphragms to the lower half diaphragms to ensure the proper clearance for expansion. Secure the diaphragms in place using all new fasteners. (3) Install with new fasteners and fit the inner packing housings to the turbine casing and check the alignment to the bearing bores and axial position of the packing to the turbine rotor high/low lands upon installation. (4) Install labyrinth packing and springs to design form, fit and function. Reinstall and fit the existing turbine bearings to the housings. Provide and install new shims for optimum thrust, total float and nozzle clearance. Take and record cold thrust readings. (1) Provide the MSCREP with a condition "as found" report on the LP turbine Bearings and any recommendations to re-Babbitt the bearings. (2) Blue fit check and scrape and the bearings to obtain optimum bearing oil flow, bearing oil wedge, design bearing temperature and oil temperature aross the bearing when operated under load to the satisfaction of the MSCREP and Chief Engineer. (3) Close up turbine bearing housings. (4) Verify bearing RTD, oil sight flow indicator and temperature gauge are functional. Stone and dress any casing split joint nicks, burrs or high spots and reinstall the casing to design form, fit and function upon completion of all turbine rotor and casing internals inspections and repairs. (1) Using casing guide bars reinstall upper half turbine casing. Torque in place with proper torque sequence, slug down and recheck for turbine axial movement. Temporarily remove disassemble, clean and set aside the LP turbine journal bearings Oil Sight Flow nozzles and assemblies. Reinstall using gaskets an o-ring seals and prove leak free during LP turbine oil system operation. Prove all nozzles free and clear and adjust Oil Flow Assembly nozzles to provide required oil flow to and through the bearing to maintain bearing temperature within the design range. Temporarily open, inspect and clean the LP turbine flexible coupling. In way as interference temporarily detach, disconnect and the coupling housing and low speed pinion forward bearing upper housing. Reinstall to design form, fit and function upon completion of coupling inspection and reinstallation. (1) Temporarily remove the flexible coupling out of place, disassemble, the coupling hubs, take and record "as found" condition, clean the coupling assembly, reassemble and re-install with new Nyloc nuts. A. Provide the MSCREP with an "as found" condition report of the High Speed Coupling with recommendations for repair and "as released"report upon completion of all repairs, installation and testing. Temporarily open the inspection cover on the LP Turbine casing lower half and inspect the Main Condenser steam sides. Take and record a photographic record and provide the MSCREP with a condition "as found" report with recommended repairs. Close up the casing in good order to design form, fit and function. Prove all new and disturbed joints leak free during initial operation. After 24 hours of turbine operation tighten and torque all casing bolts. Provide the MSCREP with an electronic and hard copy of a detailed and comprehensive "as found" and "as released" inspection and repair report with photographs and recommendations. B. MAIN REDUCTION GEAR AND ALOP OPEN/INSPECT Marine Reduction Gear Mfr: Delaval Turbine Division Serial #654258 HP: 20,000 HP Pinion: 6,126 RPM 1st Reduction Gear: 996.9 RPM LP Pinion: 5,322 RPM Shaft Speed: 150 RPM A. Perform the following work to open, clean and inspect the Main Propulsion Reduction Gear Assembly, sump, ahead and astern thrust bearings, Attached Lube Oil Pump and Jacking Gear for ABS Special Machinery Survey credit. B. Take and record "As Found" astern and ahead thrust clearances in the presence of the Chief Engineer, ABS and MSCREP. Provide the MSCREP with a copy of the "As Found" clearances together with the OEM recommended minimum and maximum thrust clearances. (1) Thrust clearances must and shall be taken prior to any disassembly or removals of any pipe and interferences. (2) The shaft must be thrusted/moved forward to the full extent and left in full forward thrust position prior to removals. (3) The shaft may require momentary engagement of the jacking gear and a slight turn/jog of the jacking gear to facilitate manual thrusting of the gear. (4) Temporarily lock or block the shaft to prevent accidental turning or thrusting of the shaft prior to or during disassembly. Unlock and unblock shaft upon completion of all work. C. Interferences: Temporarily detach, disconnect and remove all interferences inclusive but not limited to reduction gear and bearing covers, rpm indicator and bracket, oil supply and return piping, bearing oil sight flow indicators and thermometers in way of performing open and inspect of the ahead and astern thrust bearings, bearings, jacking gear and attached lube oil pump and drive assembly. Reinstall in parent location with new gaskets, seal and fasteners to design form, fit and function. D. Attached Lube Oil Pump: Open and inspect the Attached Lube Oil Pump, drive shaft, coupling, and drive gears for ABS Special Machinery Survey credit. Inspect with the ABS Surveyor, MSCREP & Chief Engineer. Take and record "as found" conditions and provide the MSCREP with a condition "as found" report with recommendations for repairs to restore to "fit for service" condition.. Clean, reassemble, reinstall in good alignment and new o-rings and gaskets to design form, fit and function. E. Jacking Gear: Open and inspect the Jacking Gear assembly to examine the clutch and engaging gear for ABS Special Machinery Survey credit. Inspect with the ABS Surveyor, MSCREP & Chief Engineer. Take and record "as found" conditions and provide the MSCREP with a condition "as found" report with recommendations for repairs to restore to "fit for service" condition. Clean, reassemble, reinstall in good alignment and with new gaskets and o-rings to design form, fit and function. F. Reduction Gear: Chief Engineer shall temporarily unlock and open the reduction gear set inspection covers in the presence of the Chief Engineer, MSCREP and ABS Surveyor. Perform inspections with the MSCREP and ABS Surveyor for ABS Special Machinery Survey credit. Solvent clean, blue the gear and pinion teeth and take and record tape records of the Gear, HP pinion and LP Pinion gear teeth ahead and astern wear patterns. Provide a copy of same to the MSCREP with a condition "as found" report and recommendations for repairs to restore the gears to "fit for service" condition. Clean and close up in good order with new gaskets and seals to design form, fit and function. G. Astern and Ahead Thrust Bearing: Open, remove and inspect the Astern and Ahead Thrust Bearing for ABS Special Machinery Survey credit. Inspect with the ABS Surveyor, MSCREP & Chief Engineer. Take and record "as found" conditions and provide the MSCREP with a condition "as found" report with recommendations for repairs to restore to "fit for service" condition. Clean and close up in good order to design form, fit and function. H. Astern thrust shoe and leveling plate shall be removed for inspection. (1) Measure the thrust shoes thickness and inspect for bond. (2) Inspect the Leveling Plates for wear. I. Prepare all thrust bearing parts and housing for reinstallation and reassemble the thrust bearing components in the reverse order of disassembly. Thrust the shaft several times during reassembly to ensure the thrust cages and shims are seated prior to and upon completion of tightening the thrust housing and the end cap to the housing. Take and record "As Released" thrust clearances, monitor thrust bearing oil flow and temperature during dock and sea trials and prove all flange joints and seals are leak free during dock and sea trials. J. Journal Bearings: Open and inspect the LP and HP Pinions forward and aft journal bearings, and the LP and HP 2nd Reduction Gear forward and aft bearings for ABS Special Survey Credit. Reinstall to design form, fit and function. 1. Temporarily detach, disconnect and remove all Interferences, covers and bearing housings in way of bearings inspections. 2. Take and record bearing "as found" condition and provide the MSCREP with a photographic record and detailed report with recommendations. 3. Clean, dress and scrap the bearings to correct for any minor defects and to obtain optimum oil wedge and clearances. K. LP Flexible Coupling: Open, inspect and clean the LP and HP turbine flexible Couplings to the LP and HP Pinions in the presence of the MSCREP, Chief Engineer and ABS Surveyor for Special Machinery Survey credit. 1. Temporarily detach, disconnect and remove all Interferences, covers and bearing housings in way of couplings inspections. 2. Take and record "as found" condition and provide the MSCREP with a photographic record and detailed report with recommendations. 3. Reinstall in parent location in good alignment using new gaskets, seals and coupling hub nyloc nuts. L. Bearing Oil Flow Sight Glass: Temporarily remove all bearing oil flow sight glass assemblies, jumper out all the gear assembly bearings and hot oil flush with the LP Turbines. Upon completion of satisfactory hot oil flush (PERFORM BY SHIPYARD) remove jumper hoses and reinstall the oil flow sight glass assemblies with all new gaskets to design form, fit and function. M. Prove all bearings have oil flow and operate within design temperature limits and the reduction gear assembly is leak free during dock trials and sea Trials. Correct all leaks and re-scrape any bearing(s) to correct oil flow and temperature problems in the presence of the MSCREP and Chief Engineer. N. Work Schedule: 1 March through 15 June 2012 O. Shipyard Location: Vigor Marine 5555 N. Channel Ave Portland, Oregon 97217 All contractors are require to attend US Navy training before being allow onboard the USS FRANK CABLE. The training will be scheduled and provided at the ship yard. POC Joe Schumacher, 757-390-1470. THIS IS NOT A REQUEST FOR QUOTE OR PROPOSAL. It is a market research tool used to determine the availability and adequacy of potential small business sources prior to issuance of a solicitation. The Government is not obligated to and will not pay for any information received from potential sources as a result of this synopsis. Please provide a response demonstrating your firm's experience in performing similar work. RESPONSES ARE DUE on Friday, January 27, 2012 by 2:00 PM Eastern Standard Time. Responses shall be sent via mail to the following address: Military Sealift Fleet Support Command, Code N10 (attn: Melanie Barrett), 471 East C Street, Norfolk, VA 23511. Email submissions of the capabilities packages (Melanie.Barrett@navy.mil) WILL be accepted. Fax submissions of the capabilities packages WILL NOT be accepted. Questions or comments regarding this notice may be addressed to Melanie Barrett at the above address or via email at Melanie.Barrett@navy.mil.
 

Web Link

FBO.gov Permalink
(https://www.fbo.gov/notices/b86a976ebbe2e647aa4ca22c105d0c30)
 

Place of Performance

Address: Vigor Marine, 5555 N. Channel Ave, Portland, Oregon, 97217, United States

Zip Code: 97217
 

Record

SN02654905-W 20120115/120113234843-b86a976ebbe2e647aa4ca22c105d0c30 (fbodaily.com)
 

Source

FedBizOpps Link to This Notice
(may not be valid after Archive Date)

---

| FSG Index  |  This Issue's Index  |  Today's FBO Daily Index Page |