Attachment_E_-_BM41A.pdf
PDF 244 KB Posted
- Attached to
- Replacement of Diesel Engine Generator BM Federal contract opportunity
- Solicitation number
- 140R4023R0008
About this file
This document contains an AutoCAD drawing file and notes related to a federal contract solicitation for replacement of a diesel engine generator. The drawing depicts the layout of a new engine-generator, associated equipment, and electrical installation at the Blue Mesa Powerplant. Notes specify that the contractor shall remove the existing engine-generator after installing and commissioning the new unit. The contractor must also furnish and install an engine-generator enclosure with built-in fuel tank on a concrete foundation, as well as route power and control cabling between the new unit and electrical panels. Additional requirements include grounding elements, emergency shutdown buttons, and adherence to conduit placement and conductor bending radii. The related solicitation is for the Department of the Interior Bureau of Reclamation to replace the diesel engine generator at the Blue Mesa Powerplant, as identified by solicitation number 140R4023R0008.
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Text version
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CONTROL ROOM
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RM. 304
AutoCAD SHX Text El.7190.00
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BATTERY ROOM - RM. 303
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GENERATOR FLOOR
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RM. 302
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EL.7190.00
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SCALE OF FEET
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PLAN - FLOOR EL. 7190.00
AutoCAD SHX Text El. 7190.00
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SERVICE AREA
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RM. 301
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RM. 305
AutoCAD SHX Text El.7194.50
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REFERENCE DRAWINGS
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GENERAL ARRANGEMENT.............................622-D-41
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AutoCAD SHX Text D1A
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EL.7189.75
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EL.7190.00
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EL.7193.00
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480 VAC STATION SERVICE
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ANNEX
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SLOPE
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VALVE VAULT PARAPET WALL
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ROLLUP DOOR
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EL.7190.00
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SEPTIC
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TANK
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DIESEL
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EXISTING
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REPLACEMENT
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DIESEL ENGINE/GENERATOR
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TOE OF DAM
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TOE OF DAM
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EXISTING CABLE TRAY
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LOAD BANK
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EXISTING ENGINE-GENERATOR
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EXISTING CABLE TRAY
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EXISTING CABLE TRAY
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UNIT 1
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UNIT 2
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TANK
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EXISTING
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LEACH LINE
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DHA
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LHA
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E/G EMERGENCY SHUTDOWN SWITCH
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480 VAC STATION SERVICE D1A............622-D-1274
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PANELBOARDS DHA & LHA....................622-D-3694A
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CADD SYSTEM
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CADD FILENAME
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DATE AND TIME PLOTTED
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ALWAYS THINK
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SAFETY
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UNITED STATES
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DEPARTMENT OF THE INTERIOR
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BUREAU OF RECLAMATION
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COLORADO RIVER STORAGE PROJECT
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CURECANTI UNIT - GUNNISION DIVISION - COLORADO
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BLUE MESA POWERPLANT
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ELECTRICAL INSTALLATION
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NEW ENGINE-GENERATOR EQUIPMENT LAYOUT
AutoCAD SHX Text 622-D-41A
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DENVER, COLORADO
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JUNE 17, 1965
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DESIGNED _ _ _ _ _ _ _ _ _ _ _ _ TECH. APPR._ _ _ _ _ _ _ _ _ _ _ _ _
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DRAWN _ _ _ _ _ _ _ _ _ _ _ _ _ _SUBMITTED _ _ _ _ _ _ _ _ _ _ _ _ _
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CHECKED _ _ _ _ _ _ _ _ _ _ _ _ _APPROVED_ _ _ _ _ _ _ _ _ _ _ _ _
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CHIEF, ELECTRICAL BRANCH
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R BRUMMOND
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E LANGLEY
AutoCAD SHX Text 622-D-41A
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NOTES
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1. Contractor shall remove existing engine-generator and Contractor shall remove existing engine-generator and associated equipment after the new engine-generator is installed and commissioned. 2. A new engine-generator enclosure with built-in fuel tank A new engine-generator enclosure with built-in fuel tank shall be located as shown on this drawing on a concrete foundation designed by a registered professional engineer, licensed in the State of Colorado. The Contractor shall submit to Reclamation, for approval, the concrete foundation drawings and specifications, prior to placement. The pad shall be three feet from the annex wall and 3 feet north of the annex south wall. The top of the new engine-generator concrete foundation shall be 7190.50 El, or a minimum of 4 inches above existing ground surface, whichever is higher. 3. Engine-generator 480 VAC main power output feeder shall Engine-generator 480 VAC main power output feeder shall be routed in parallel rigid steel conduits from the engine-generator enclosure, into the annex, through new core-drilled holes between the annex and the main powerplant, and along the south control room wall until they terminate at the existing cable tray on the west wall. From there the engine-generator 480 Vac main power output feeder will be installed in the existing cable tray to Station Service D1A to the existing feeder breaker for the new engine-generator. 4. Parallel 4/0 bare copper wires shall also be routed from Parallel 4/0 bare copper wires shall also be routed from the engine-generator neutral to the bare 500 kcmil copper ground wire in the existing cable tray on the west wall to tie the engine-generator neutral to the plant grounding electrode closest to D1A. 5. The voltage sensing and control cable shall be routed The voltage sensing and control cable shall be routed similarly to the engine-generator power output feeder. Existing conduits may be utilized for these cables. 6. The power feeds from Panelboards DHA and LHA to the The power feeds from Panelboards DHA and LHA to the engine-generator shall be installed in rigid steel conduits. 7. The control cables to the control room shall be routed in The control cables to the control room shall be routed in rigid steel conduits. 8. Contractor shall place a stranded 4/0 bare copper wire Contractor shall place a stranded 4/0 bare copper wire 2-feet deep around the perimeter of the concrete pad, with copper risers thermowelded to the ground ring and the engine-generator pad reinforcement in two adjacent corners. A third copper riser shall be routed into the plant along with the power feeders to station service D1A, and thermowelded to the existing ground mat riser. A fourth copper riser welded to the ground ring shall be for connecting the new engine-generator chassis and grounded conductor. 9. Contractor shall furnish and install two emergency shutdown Contractor shall furnish and install two emergency shutdown mushroom type pushbuttons, one at the annex exit door as shown, and another near the control console in the control room, as directed by the Contracting Officer's Representative.
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EXISTING ENGINE-GENERATOR
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CONDUCTOR BEND RADIUS
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NEW E/G FEEDER CONDUITS ABOVE DOORS
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E/G FEEDER CONDUITS
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E/G FEEDER CONDUITS
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NEW E/G FEEDER CONDUITS TO D1A
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CORE-DRILL NEW HOLES
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WIREWAY SIZED FOR
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E/G FEEDER CONDUITS TO D1A
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CONDUITS ON CEILING
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CONDUCTOR BEND RADIUS
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NEMA 4X WIREWAY SIZED FOR
| Sheets and Views |
| BM41A-Layout2 |
| drawing |
File details come from the government source that posted it. Updated .