Construction Contract Mcnary Governors Exciters Powerhouse Upgrade The Work Is Located At The Mcnary Dam Located In Umatilla County Near Umatilla Oregon The Work Consists Of The Following Major Elements Mcnary Main Unit Generator Details Mcnary Generator Units 1 12 Were Manufactured By The General Electric Company And Commissioned Between 1953 And 1956 Mcnary Generatorunits 13 And 14 Were Manufactured By The English Electric Company Andcommissioned In 1956 The Three Phase Salient Pole Vertical Synchronousgenerators Have The Following Characteristics And Ratings Units 1 12 13 14 Manufacturer General Electric English Electric Rating Kva 73 684 73 684 Power Factor 0 95 0 95 Overload Capability 115 115 Voltage V 13 800 13 800 Speed Rpm 85 7 85 7 Digital Governor Upgrades Upgrade Digital Governors On All 14 Hydropower Main Generator Units At Themcnary Dam Hydroelectric Power Plant All 14 Main Units Are Kaplan Type Withadjustable Turbine Blades There Are Two Families Of Hydropower Units At Mcnary Powerhouse Bothutilizing Adjustable Turbine Blades All 14 Units Have Original Governors Withproportional Integral And Derivative Pid Control For Both The Gate And Bladeservomotors The Governors Control Unit Speed By Operating Wicket Gatesthrough A Combination Of Hydraulic Mechanical And Electrical Means Thegovernors Control Blade Pitch By Adjusting Blade Angle Through A Combinationof Hydraulic Mechanical And Electrical Means Unit Governor Speed Referenceis Generated By A Permanent Magnet Generator Pmg Or By A Speed Signalgenerator Ssg Digital Governor Equipment Has Already Been Procured And Shall Be Providedunder This Contract As Government Furnished Equipment Gfe For Contractorinstallation Installation Plans And Specifications Will Contain Prescriptive Andperformance Requirements For The Installation And Testing Of Gfe Digitalgovernor Equipment And Will Include Detailed Wiring On A Representativenumber Of Units The Contractor Will Perform The Removal Of The Existinggovernor Components And The Installation Of The New Gfe Digital Governors Main Units One Through Four Will Utilize Allis Chalmer Governor Retrofit Kitsmanufactured By American Governor And Main Units Five Through Fourteen Willutilize Woodward Governor Retrofit Kits Manufactured By American Governor Digital Governor General Work As Part Of The Digital Governor Installation Work A Front Panel Of The Actuatorcabinet Will Be Removed And Replaced With A New Governor Cabinet With A Gfehuman Machine Interface Hmi Two Additional Gfe Hmi s Will Be Installed Inthe Control Room And Will Be Capable Of Controlling Seven Units Each As Part Of The Digital Governor Upgrade The New Digital Governor Controller Willreplace The Hardwired Relay Logic For Automatic Unit Start Stop Sequencing Thestart Sequence Will Bring The Unit To Speed No Load And The Stop Sequence Willshutdown The Unit After The Breaker Has Been Opened The Governor Willinclude Automatic Semiautomatic And Manual Starting Upon Completion Of All Demolition Work Within The Governor Actuator Cabinets The Interior Surfaces Will Be Stripped And Repainted The Interior Surfaces Of Thegovernor Actuator Cabinets Are Painted With Toxic Metals Based Paint Thatincludes Barium Chromium Lead And Mercury Digital Governor Mechanical Work Each Unit The Existing Distributing Valves Servomotors And Pump Drive Motors Willremain All Gate And Blade Distributing Valves Will Be Cleaned Inspected Andrebuilt Using Existing Components Or New Internal Parts As Needed Newgaskets Seals And O Rings Will Be Installed And The Valves Will Be Reassembledto Oem Specifications Existing Servomotors And Pump Drive Motors Of Thegovernor Systems Require No Rework Or Refurbishment The Work Includes Installation Of A New Gfe Electro Hydraulic Interface Ehi Module Which Includes A Manifold Block Gate And Blade Proportional Valves Duplex Oil Filters With Clogged Oil Filter Switch Contacts And Emergencyshutdown Valve A Linear Variable Differential Transducer Lvdt On Theservomotor And Blade Distributing Valves For Position Feedback To Theproportional Valves New Hydraulic Tubing Isolation Maintenance Valves Padlock Capable And Redundant Magnetostrictive Linear Displacementtransducers Mldts For Blade And Wicket Gate Position No Rework Orrefurbishment Of Existing Gate Lock Solenoid Valves Will Be Required The Contractor Will Be Required To Provide Detailed Shop Drawings For Theinterconnections Of All New And Existing Gfe And Contractor Provided Partsand Accessories The Governor Control Column And All Mechanical Linkages Associated With It Including The Mechanical Pilot Valves For The Gate And Blade Will Be Removed All Speed Adjustment Gate Limit And Gate Position Equipment Will Be Removed The Existing Lead Lag Alarm And Shut Down Governor Oil Pressure Switchesshall Be Relocated In The Cabinet As Necessary To Facilitate The Installation Ofthe New Digital Governor Cabinet The Existing Duplex Strainers For The Gateand Blade Pilot Valves Will Be Removed Gfe Lvdts Will Be Installed To Monitor Each Unit s Gate And Blade Distributingspool Valves Position To Provide Intermediate Feedback Relay Restoring Theexisting Feedback System Consisting Of Cables Pulleys Weights And Etc Willbe Removed Along With The Associated Mounting Hardware Piping Andconduit All Unused Cable Ports In The Governor Actuator Cabinet Will Be Closedwith A Threaded Metal Cap With O Ring Gfe Redundant Mldts Will Be Installed And Affixed To An Aluminum Channelmounted On The Servo Motor 1 Using A Combination Of A U Bolt Mount And Cantilever Bracket The Existing Feedback System Consisting Of Cables Pulleys Sheaves And Weights Along With The Associated Mounting Hardware Andpiping Will Be Removed From The Governor Cabinet Up To The Point Ofconnection With The New Blade Angle Feedback Assembly The New Bladeangle Feedback Assembly Will Be Supported By A Combination Of A U Boltsupport On The Existing Blade Angle Oil Line And A Support Backed Mounted Tothe Bridge The Mldt Conduit Will Be Routed From The Assembly Up To Theexisting Ssg Pmg Junction Box And Then Will Be Routed To The Governorcabinet Permanent Magnetic Generators Shall Have Existing Rotor And Stator Windingsremoved Speed Signal Generators Shall Have Existing Pickup Sensorsremoved Each Pmg And Ssg Will Retain One Existing Mechanical Overspeedswitch And Each Will Receive Two New Proximity Probes Providing Speedreference And Creep Detection Digital Governor Electrical Work Each Unit For All Units The Following Components Along With Wiring Located On The Frontof The Governor Control Cubicle Will Be Either Removed Or Relocated 3D Cam Estopswitch 3D Cam Hmi Analog Governor Blade Position Indicator Dashpot By Pass Control Gate Limit Control Knob Gate Limit Gate Positionindicator Generator Air Brake Control Switch Amp Indicating Light Generator Airbrake Pressure Gauge Duplex Nitrogen Shutdown Indicating Lamp Speeddroop Control Speed Droop Indicator Speed Indicator Tachometer Speedlevel Control Speed Adjustment Control Knob Speed Level Indicator Speedadjustment Indicator System Pressure Governor Oil Pressure Gauge Transfer Valve Control Gov Transfer Control Switch Amp Indicating Lights Transfer Valve Position Indicator The Existing Interface To The Generic Data Acquisition And Control System Gdacs And Station Control Console Scc Will Be Retained Redundant Zero Velocity Pickup Zvpu Proximity Probes Installed At Thepmg And Ssg Gear Teeth Shall Serve As Creep Detection And Speed Signal The Primary Speed Signal Will Be From A New Frequency Transducer Connectedto The Unit s Potential Transformer Pt Gfe Digital Governor Cabinet With Programmable Logic Controller Plc Power Supplies Interposing Relays Controlled By The Plc Output Modules And Associated Equipment Will Be Installed Along With All Necessarycomponents Wiring And Conduit A Fiber Optic Cable Will Be Routed In Rigid Metal Conduit From Each Generatorunit To A New Network Switch Located In The Control Room Any Fiber Opticjunction Boxes Or Patch Panels Will Have A Lockable Cover A Gfe Freestanding Touch Screen Governor Hmi Will Be Installed In The Control Room At Theoperator s Desk Copper Ethernet Will Be Routed From The New Network Switchto The Operator Desk Hmi As Part Of The Control Circuit Changes Several Devices Relays And Associatedwiring Located Within Panels Of The Unit Switchboard And Actuator Cabinet Willbe Removed And Their Functions Will Be Incorporated Into The New Digitalgovernor Governor Mechanical System Mechanical Work Each Unit The Governor System Is Composed Of A Compressed Air System Air Receiver Tanks Oil Accumulator Tanks Oil Sumps Oil Pumps Valves Piping Pressure Sensors Oil Level Sensors And Filters For All Units Include Replacement Of All 4 Inch Diameter And Smaller Governor Air And Governor Oil Piping Inspect Clean And Refurbish Governor Oil Piping Greater Than 4 Inch Diameter Cleaning Shall Be Done By A Pigging Or Swabbing Method Include Removal Of Wicket Gate Emergency Closure Piping For Units 1 4 Only The Governor Oil Pumps Will Be Replaced Modernizing The Air Compressor Changes Requires Inspection Of 30 Accumulator Tanks And Replacement Of All Three Governor Air Compressors Main Unit Exciter Replacement Upgrade Exciters On All 14 Hydropower Main Generator Units At The Mcnarydam Hydroelectric Power Plant The Existing Excitation System For The Maingenerator Units At Mcnary Dam Is Of The Analog Static Type And Wasmanufactured By General Electric Company And Installed Circa 1987 The Newcontractor Furnished Excitation System Will Be Of The Digital Static Type Thefunctionality Will Be Similar To That Of The Existing System But Using Moderntechnology The New Contractor Furnished Exciter Equipment Will Be Installed In The Samelocation As The Existing Equipment The New Contractor Furnished Excitationsystem Will Be Sized To Accommodate The Future Generating Unit Uprate Of 100Mva And 0 95 Power Factor The Field Current Requirement Will Increase For Thefuture Generator Rating A Preliminary Estimate Of Field Current Is 1300 Adc Forunits 1 12 1600 Adc For Unit 13 And 1400 Adc For Unit 14 The Following Existing Excitation System Equipment Will Be Removed Excitation Cubicle Line Up Regulator Rectifier Ac Breaker Rectifier Notethat Units 1 12 Have Two Rectifier Bridges While Units 13 And 14 Have Three Excitation Transformer Dc Bus Transition Box High Voltage Fuses Holders And Cts Connecting Bus Speed Relay Speed Sensor Speed Relay Power Supply Associated Wiring The Following Existing Excitation System Equipment Will Be Replaced Dc Bus The Existing Bus Is Rated At 1665 Adc Cable Tray Carrying Cables From Main Generator Unit Control Boards S Board To Exciter Cable Tray Carrying Cables From Exciter Transformer To Exciter Generator Switchboards Will Be Modified By The Contractor To Remove Thebalance Meter And Dc Voltage Adjust Switch The New Contractor Furnishedexcitation Equipment Will Have An Auto Tracking Feature Which Makes Thebalance Meter Unnecessary Furthermore The New Contractor Furnishedexcitation Equipment Will Make Use Of The Ac Voltage Adjust For Voltage Raiseand Lower Commands To Both The Automatic And Manual Voltage Regulators The Resulting Openings In The Switchboards Will Be Covered With Plates Andpainted To Match The Ac Voltage Adjust And Regulator Transfer Switches Will Bereplaced With Contractor Furnished Equipment Control Room Switchboard Modifications Will Be Required The Dc Voltage Adjustswitch And Lights Will Be Removed From Each Unit s Control Board The Acvoltage Adjust Switches Will Be Replaced With Contractor Furnished Equipment The Contractor Will Be Required To Perform Generator Brush Riggingmodifications Will Be Required The Brush Rigging Will Be Modified To Add Brushholders In Preparation Of The Additional Brushes That Will Be Needed To Carrythe Additional Field Current Required For The Future Uprated Generating Units The Components Comprising The Generator Bus Tap Will Be Replaced Withcontractor Furnished Equipment These Components Are Housed In The Highvoltage Fuse Compartment Which Is Located Atop The Surge Protectionequipment And The Exciter Transformer The Components Include Conductors Fuses Holders And Current Transformers The Housing For These Componentswill Also Be Replaced Provide And Install New 125Vdc Distribution Panels For Each S Board Protective Relaying Will Be Replaced And Upgraded With The S Board Upgrades Provide Manual Synchronization Equipment For Each Unit Exciter And Governor Controls Network Upgrades Provide Assemble And Install A New Main Unit Fiber Optic Communicationcontrol Cabinet At Each Main Unit Pair Cabinets Shall Include Contractorprovided And Installed Racks Patch Panels And Gfe Network Equipment Provide And Install Conduit And Patch Panels In The Actuator Cabinet And Sboardto Connect To The New Control Cabinets Provide Install And Connect Newconduit And Pull Boxes To Connect New Exciter Cabinet And S Boards To Thenew Fiber Optic Communication Control Cabinets Provide Install And Connect New Conduit Pull Boxes And Patch Panels To Interconnectnew Main Unit Fiber Optic Communication Control Cabinets Provide Assemble And Install New Main Unit Fiber Optic Communication Control Cabinetin The Power House Communication Room Cabinet Shall Include Contractorprovided And Installed Rack Patch Panels And Gfe Network Equipment Provide Install And Connect New Conduit Pull Boxes And Patch Panels To Interconnectnew Main Unit Fiber Optic Communication Control Cabinets At Main Unit 1 And 14 To The Unit Fiber Optic Communication Control Cabinet In The Powerhouse Communication Room Install And Connect Gfe Touch Screen Hmis Power Supplies Andcommunication Modules In The Control Room Sc Board Provide Install And Connect New Conduit Pull Boxes And Patch Panels Toconnect New Control Room Fiber Optic Communication Control Cabinet To The Scboard Perform Otdr And Power Attenuation Testing On Fiber Optic Cables While Onthe Reels After Installation But Before Termination And After Termination Install Test Terminate And Connect Fiber Optic Cables As Shown In The Plans Provide Install And Connect Auxiliary Equipment In The Communication Cabinets As Shown In The Plans Digital Exciter And Governor Upgrades General Contract Requirements The Contract Requires Completion Of All Work Within Coordinated On Siteinstallation Work Windows Covering A Period Of Approximately 730 Calendardays Work Must Be Completed Within The Specified Workwindow In Order To Return The Power Plant Back To Service In Accordance With A Coordinated Power Generation System Outage Plan The Contractor Must Beable To Staff Supervision And Labor And Provide On Site Physical Plant Tosupport Potential Multiple Daily Work Shifts And 7 Day Work Weeks To Meet Therequirements Of The Construction Schedule Constraints Two Hydropower Units Shall Be Upgraded At A Time And Shall Be Completedwithin A Sixteen To Twenty Week Work Window For Each Pair Of Units Work On Subsequentunits Shall Not Commence Until The Previous Pair Of Units Has Been Successfullyreturned To Service Unit Testing And Commissioning Support Is Required Aftereach Digital Upgrade Is Completed The Prime Contractor Will Be Required Toprovide Authorized Commissioning Engineers From The Exciter And Governormanufacturers During The On Site Testing And Commissioning Activities For Eachmain Unit Time For Completion The Work Shall Be Completed Not Later Than 22 January 2025 Performance And Payment Bonds Will Be Required The Magnitude Of The Project Is Estimated To Be Between 25 000 000 And 100 000 000 Sustainability Requirements Will Be Contained In The Solicitation And Resulting Contract The Source Selection Process Will Be Conducted As A Best Value Trade Off As Defined In Far Part 15 101 1 The Resulting Contract Will Be Fixed Price One Or More Of The Items Under This Acquisition Is Subject To The World Trade Organization Government Procurement Agreement And Free Trade Agreements Solicitation Documents For The Request For Proposal No W912ef20r0001 Will Be Posted To The Beta Sam Gov Website On Or About May 182020 The Proposal Due Date Will Be Contained In The Solicitation And Any Solicitation Amendments That May Be Used The Solicitation Is To Be Competed As Unrestricted The Small Business Size Standard For Naics Code 238210 Electrical Contractors And Other Wiring Installation Contractors Is No More Than 16 500 000 In Average Annual Receipts A Site Visit Will Be Offered Approximately 2 Weeks After The Solicitation Is Posted Refer To The Solicitation For Details Regarding The Site Visit Only One Site Visit Is Expected To Be Offered Important Note The Beta Sam Gov Response Date Listed Elsewhere In This Synopsis Is For The Beta Sam Gov Archive Purposes Only It Has No Relationship To The Actual Proposal Submission Date The Proposal Submission Date Will Be Contained In The Solicitation And Any Solicitation Amendments That Are Issued When Issued The Solicitation Documents For This Project Will Be Available Via Beta Sam Gov No Cd s Or Hard Copies Will Be Available Offerors Are Responsible For Checking The Referenced Page For Any Update S To The Notice The Government Is Not Responsible For Any Loss Of Internet Connectivity Or For An Offeror s Inability To Access The Document S Posted At The Referenced Website To Obtain Automatic Notifications Of Updates To This Solicitation You Must Log In To Beta Sam Gov And Add The Solicitation To Your Watchlist If You Would Like To List Your Firm So Others Can See You Are An Interested Vendor You Must Click The Add Me To Interested Vendors Button In The Listing For This Solicitation On Beta Sam Gov Access For Foreign Nationals Security Clearance For Foreign Nationals To Attend A Site Visit Requires A Minimum Of 4 Weeks Therefore Clearance Should Be Requested Immediately To Request Clearance Please Submit The Names Of All Foreign Nationals Proposed For Site Visit Attendance Along With Documentation To Verify That They Were Legally Admitted Into The United States And Have Authority To Work And Or Go To School In The Us Such Documentation May Include A Us Passport Certificate Of Us Citizenship Ins Form N 560 Or N 561 Certificate Of Naturalization Ins Form N 550 Or N 570 Foreign Passport With I 551 Stamp Or Attached Ins Form I 94 Indicating Employment Authorization Alien Registration Receipt Card With Photograph Ins Form I 151 Or I 551 Temporary Resident Card Ins Form I 688 Employment Authorization Card Ins Form I 688A Reentry Permit Ins Form I 327 Refugee Travel Document Ins Form I 571 Employment Authorization Document Issued By The Ins Which Contains A Photograph Ins Form I 688B Send This Information By Email To Hillary A Morgan Usace Army Mil And Karlyn K Holland Usace Army Mil Foreign Nationals Must Have Received Clearance Prior To Being Granted Access To The Project Site
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