RE: City of Claremore, OK, BH Substation Bid #SB Addendum #1 and Clarifications ( )

Transcription

1 January 28, 2013 TO ALL BIDDERS RE: City of Claremore, OK, BH Substation Bid #SB Addendum #1 and Clarifications ( ) This letter is to provide Addendum #1 and Clarifications for the above referenced project. When submitting your bid, please note on the bid form the receipt of this Addendum #1. Items for Addendum #1 include: 1) Fence and gate quantities have been revised on Assembly Unit B page 24. Please substitute the enclosed page for the original. 2) The fence from the northeast corner of the substation that continues to the north is to be grounded. Drawing CL-CEN-1603 is enclosed to show the additional ground grid and connections to the fence that are to be made. Revised grounding quantities are listed in the enclosed Material List. 3) Clarification on Assembly Unit J, Page J2, Item 2: The Owner will supply the control cable. 4) The grading plan has been revised to provide slope to the south for drainage of the substation site. See drawing CL-CEN-0601 for revisions. Please use Revision 1 of the drawing that is enclosed. The grading amount has been revised down as well on Assembly Unit A page 23. Please substitute the enclosed page for the original. This ends the Items for Addendum #1. Items for clarification include those discussed in the pre-bid meeting as well as questions that were submitted by . They are as follows: M1. The contractor is responsible for offloading and assembly of the switchgear. A spreader bar will not be shipped with the switchgear. A manufacturer s representative will not accompany the switchgear. (See Q10 below.) M2. The geotechnical report is included as an attachment. M3. The anchor bolts will be shipped ahead of the steel. Tentative dates will be provide to the contractor once an award has been made. M4. A copy of the sign in sheet from the pre-bid meeting is included as an attachment. Other questions provided by contractors are listed below:

2 Q1. What is the depth on the top rock in the substation and is the top rock going to have to be compacted when placed? A. Depth is to be 6 inches and yes, it will need to be compacted. Q2. The spec talks about Type 1 substation area surfacing and Type 2 Drive area surfacing where is it noted where these different areas are? A. Type I is within the substation fence itself and Type 2 will be for the drive to be built from the existing ball field parking lot to the north fence of the substation. Q3. What is the depth that you require on the substation ground grid? A. See Note 2 of the Contractor Construction Specifications on drawing CL-CEN Q4. Are the control cables to be terminated in the termination cabinet or do they go to their respective panels? A. Control cables are to be terminated in the termination cabinet. Q5. Page J2 item 2. Says the contractor is to furnish and install the control cable. The BOM says that the owner is supplying. Please clarify who supplies the control cable. A. The Owner will supply the control cable. Q6. Page J1 item 4.2 says the contractor shall provide an operational and function check of the electrical system. Can you please clarify what you are looking for on this. A. This will include, but is not limited to, verifying operation of switches, breakers, circuit switchers, etc. Also, it will include control cable and power cable acceptance tests as noted on the corresponding forms in the specifications for Assembly Unit J. Q7. Is it permissible to use flexible metal seal tight conduit for connections to junction boxes, equipment, and instruments? A. No. Rigid PVC is to be used. Q8. The specification says that no more than (2) 90 degree bends in one conduit run. The conduit drawing shows up to four 90 deg bends in one run. Are we to add ground boxes as pull points? A. This will be left to the contractor s discretion. The contractor may use ground boxes if they determine it is warranted. Q9. I came up with different quantities of conduit and cable than what is shown on the bill of material. For bidding purposes should we use the BOM quantities or the quantities that we came up with? A. Please use the BOM quantities. Q10. Do you have the manufactures installation instructions for the control building or do you have more information exactly on how much installation will be required of the contractor? Also what materials are we going to have to provide for the complete installation of the control building? A. Installation will include attaching any and all external items that were removed for shipping. These include the roof bushings and bushing boxes, the HVAC unit, the termination cabinet, the intake hood, and the exhaust hood. Internally, all necessary wiring connections need to be made. These include, but are not limited to, wiring

3 connections for receptacles and aisle lights, connection of the control power transformer and connection of any control wiring that was pulled back from between the sections for shipping. Also, the switchgear breakers will be shipped crated. So, the contractor will be responsible to uncrate those and install them in the appropriate cubicles. Again, the bid date is at 2:00 PM on February 5 th, 2013 in the council chambers at City Hall in Claremore, Oklahoma. Sincerely, Steve Brouwer, P.E. Finley Engineering Company, Inc. Cc: Larry Hughes, City of Claremore Lee Harrison, City of Claremore Mike Socha, FEC Enc.

4 SUBSTATION CONSTRUCTION ASSEMBLY UNITS Assembly Unit A Site Work UNIT NO. NAME & DESCRIPTION OF CONSTRUCTION ASSEMBLY UNIT Labor UNIT PRICE Materials Labor & Materials EXTENDED PRICE Labor & Materials A-1 A-2 A-3 A-4-RX* Grading performed at site per cubic yard (Qty 250) Installation of rock surfacing for substation per cubic yard (Qty 650) Installation of rock surfacing for driveway per cubic yard (Qty - 425) Unit price for rock excavation for one cubic yard of solid rock (Qty-0) Assembly Unit A Site Work Total: *Note: Unit is included in the event that rock is encountered during foundation excavation. 23 RUS FORM 830 (Rev. 2-04)

5 SUBSTATION CONSTRUCTION ASSEMBLY UNITS (Continued) Assembly Unit B Fence UNIT NO. NAME & DESCRIPTION OF CONSTRUCTION ASSEMBLY UNIT Labor UNIT PRICE Materials Labor & Materials EXTENDED PRICE Labor & Materials B - 1 B - 2 Unit for construction of security fence per lineal foot (not including gate construction) (Qty 330) Unit for installation of double gate (Qty 3) Assembly Unit B Fence Total: 24 RUS FORM 830 (Rev. 2-04)

6 CITY OF CLAREMORE, OK BH SUBSTATION: 69/13.2 KV SUBSTATION CONSTRUCTION MATERIAL LIST Date: 1/28/2013, Rev. 1 MATERIAL ITEM QTY. UNIT REV DESCRIPTION CODE GRADING ea 0 Cubic Yards Crushed Limestone Type I Substation Surfacing, 6" Deep ea 0 Cubic Yards Crushed Limestone Type II Drive Surfacing, 6" Deep STEEL STRUCTURES ea 0 69kV 3-Phase Switch Stand ea 0 69kV 1-Phase Bus Support ea 0 69kV 3-Phase Bus Support - 45 Degree ea 0 15kV 3-Phase Switch Stand ea 0 15kV 3-Phase Bus Support - 45 Degree ea 0 15kV 3-Phase Bus Support 7-20 ar 0 Burndy Penetrox BUS, CONDUCTOR, AND FITTINGS ea ea 0 Station Post Insulators, 15 kv, 3" B.C., Std. Strength, Light Gray, NEMA TR-205 LAPP # or equal Station Post Insulators, 69 kv, 3" B.C., Std. Strength, Light Gray, NEMA TR-216 LAPP # or equal ft 0 Cable, 500 MCM, AAC 19 Strand - Code Name Zinnia ft 0 Cable, 477 MCM, ACSR 26/7 Stranding - Code Name Hawk ft 0 Cable, 336 MCM, ACSR 26/7 Stranding - Code Name Linnet (Internal Bus Damper for 3" Al Tube) ft 0 Bus, Tube, Aluminum, Schedule 40, 3" IPS, 6063-T6 Alloy (23-30' long, 2-20' long) ft 0 Bus, Tube, Aluminum, Schedule 40, 2 1/2" IPS, 6063-T6 Alloy (3-20' long) ea 0 Terminal, 3" IPS Aluminum to Flat 4-Hole Pad, Weldment Anderson Cat. No. WSTF30C or equal Project No.: Page M1 - Contractor Furnished Contractor Installed - Owner Furnished Contractor Installed OFOI - Owner Furnished Owner Installed

7 CITY OF CLAREMORE, OK BH SUBSTATION: 69/13.2 KV SUBSTATION CONSTRUCTION MATERIAL LIST Date: 1/28/2013, Rev. 1 MATERIAL ITEM QTY. UNIT REV DESCRIPTION CODE ea ea ea ea ea ea ea ea ea ea ea ea ea 0 Connector, Aluminum, Compression Terminal, 477 MCM ACSR to NEMA 4-Hole Flat Anderson Cat. No. CCLS883C or equal Connector, Aluminum, Compression Terminal, 500 MCM AAC to NEMA 4-Hole Flat Anderson Cat. No. CCLS814C or equal Coupler, Aluminum, Weldment, 3" IPS to 3" IPS, Straight Anderson Cat. No. WCI3030 or equal Coupler, Aluminum, Weldment, 3" IPS to 3" IPS, 90-Degree Anderson Cat. No. WLI or equal Bus Support, Aluminum, Weldment, 3" Al. IPS to 3" B.C., Slip Anderson Cat. No. WTH303 or equal Connector, Tee, Weldment, 3" IPS Main to 4-Hole Pad, Aluminum Anderson Cat. No. WTTFR-3060D or equal 3" IPS Bus Conductor End Bell, Weldment, Anderson Cat. No. ACB30 or equal Connector, Tee, Weldment, 3" IPS Main to 2 1/2" IPS Tap, Aluminum Anderson Cat. No. WTT or equal Connector, Tee, Weldment, 3" IPS Main to Two 2 1/2" IPS Taps, Aluminum Anderson Cat. No. WTT or equal Connector, Tee, Bolted, 477 MCM ACSR Main to 477 ACSR Tap Anderson Cat. No. ATCC-99 or equal Connector, Cable Spacer Terminal, Two 500 MCM AAC Main to 4-Hole Pad, 90-Degree Anderson Cat. No. APCSF9D890 or equal Connector, Cable Spacer Terminal, Two 500 MCM AAC Main Anderson Cat. No. APCS98 or equal Terminal, 3" IPS Aluminum to Flat 4-Hole Pad, Weldment 90 Degree Anderson Cat. No. WSTF30CY90 or equal 8-31 ar 0 Alcoa No. 2 Joint Compound 8-33 Galvanized Steel Bolts and Nuts per ASTM A Thread/In. as Follows: 8-33d 160 ea 0 1/2" X 2" Bolt 8-33e 50 ea 0 1/2" X 2-1/2" Bolt Project No.: Page M2 - Contractor Furnished Contractor Installed - Owner Furnished Contractor Installed OFOI - Owner Furnished Owner Installed

8 CITY OF CLAREMORE, OK BH SUBSTATION: 69/13.2 KV SUBSTATION CONSTRUCTION MATERIAL LIST Date: 1/28/2013, Rev. 1 MATERIAL ITEM QTY. UNIT REV DESCRIPTION CODE 8-33g 180 ea 0 1/2" X 1-1/4" Capscrew (For mounting 69kV and 15kV insulators to steel) 8-33h 210 ea 0 1/2" Hex Nut, 13 Threads Per Inch 8-33k 180 ea 0 Galvanized Steel Flat Washer for 1/2" Bolt 8-33m 180 ea 0 Lockwasher, 9/16" Hole for 1/2" Bolt, Galvanized Steel 8-33q 50 ea 0 5/8" X 2 1/2" Bolt (For Switch Mounting) 8-33u 50 ea 0 5/8" Hex Nut, 13 Threads Per Inch 8-33v 100 ea 0 Galvanized Steel Flat Washer for 5/8" Bolt 8-33w 50 ea 0 Lockwasher, For 5/8" Bolt, Galvanized Steel Hardware for Aluminum to Copper Connections Bolted Stainless Steel Bolt Assemblies as Follows: 8-34a 100 ea 0 S.S. Machine Bolt, Hex Head, 1/2" - 13 Ranging in lengths from 1" to 3" 8-34b 200 ea 0 Washer, Flat, 1-1/4" O.D. for 1/2" Bolt 8-34c 100 ea 0 1/2" S.S. Bellville Washer, 5120 #Loading 8-34d 100 ea 0 1/2" S.S. Hex Nut, 13 Threads Per Inch ea ea 0 Ground Connector, Flat (1/4") to #4-300 MCM CU 1 Conductor Anderson GC-141A-G2 Clamp, Ground, 2 Cond. #4/0 CU to Flat Steel Anderson Cat. No. GC-143A-G2 or equal 8-89 Cable Terminations in Switchgear: 8-89a 18 ea b 18 ea d 18 ea 0 Cable Termination Kit, 750 MCM AL 3M Cat. No. QTIII 7655-S-4 or equal Cable Termination 2-Hole Lugs 3M Cat. No or equal Cable Termination Cable Clamps 3M Cat. No. MB-6 or equal Project No.: Page M3 - Contractor Furnished Contractor Installed - Owner Furnished Contractor Installed OFOI - Owner Furnished Owner Installed

9 CITY OF CLAREMORE, OK BH SUBSTATION: 69/13.2 KV SUBSTATION CONSTRUCTION MATERIAL LIST Date: 1/28/2013, Rev. 1 MATERIAL ITEM QTY. UNIT REV DESCRIPTION CODE GROUNDING MATERIALS ft 0 4/0, 7 Strand, Soft Drawn Copper Cable Per ASTM-B ft 1 2/0, 7 Strand, Soft Drawn Copper Cable Per ASTM-B ea 1 3/4" x 10'-0" Ground Rod, Copper b ar 0 Grounding Connectors, Heavy Duty Exothermic Welds, Consisting of Weld Metal, Starting Material, Sleeves, Molds, Mold Handle Clamps, Flintgun and all additional material required to make the following connections: (Thermo-Weld Equivalent is acceptable) 4/0 To 4/0 Straight Splice (CU to CU) CadWeld SS Type Heavy Duty or ThermoWeld Equivalent Mold SSC2Q with Weld #90 9-5d 25 ea 0 9-5e 54 ea 0 9-5f 14 ea 0 9-5g 32 ea 0 9-5h 84 ea 1 9-5i ar 0 9-5j 28 ea 0 9-5k 22 ea ea ea 0 4/0 to 4/0 X Connection (CU to CU) CadWeld XB Type (Cables Lapped Not Cut) Mold XBQ2Q2Q with Weld #250 4/0 To 4/0 Tee Connection (CU to CU) CadWeld TA Type Mold TAC2Q2Q with Weld #150 2/0 to 2/0 X Connection (CU to CU) CadWeld XB Type (Cables Lapped Not Cut) Mold XBQ2G2G with Weld #200 4/0 To 2/0 Tee Connection (CU to CU) CadWeld TA Type Mold TAC2Q2G with Weld #90 2/0 To 2/0 Tee Connection (CU to CU) CadWeld TA Type Mold TAC2G2G with Weld #90 2/0 To 2/0 Straight Splice (CU to CU) CadWeld SS Type Heavy Duty or ThermoWeld Equivalent Mold SSC2G with Weld #65 4/0 CU Conductor to Ground Rod Mold GTC182Q with Weld #115 2/0 CU Conductor to Ground Rod Mold GTC182G with Weld #115 Ground Connector, 1 1/2" O.D. to #4-2/0 Anderson GC C Ground Connector, 2 1/2" O.D. to #4-2/0 Anderson GC C Project No.: Page M4 - Contractor Furnished Contractor Installed - Owner Furnished Contractor Installed OFOI - Owner Furnished Owner Installed

10 CITY OF CLAREMORE, OK BH SUBSTATION: 69/13.2 KV SUBSTATION CONSTRUCTION MATERIAL LIST Date: 1/28/2013, Rev. 1 MATERIAL ITEM QTY. UNIT REV DESCRIPTION CODE 9-10a 4 ea 0 Ground Connector, 2 1/2" O.D. to 2/0 Sol MCM Anderson GC C ea 0 Ground Connector, 4" O.D. to #4-2/0 Anderson GC C 9-11a 4 ea 0 Ground Connector, 4" O.D. to 2/0 Sol MCM Anderson GC C ea 0 Flexible Braid-77, 184 Circular Mils, 24" Long Anderson GB-100-3B ea 0 Split-Bolt Connector #2-2/0 Main, #10-2/0 Tap Anderson Cat. No. C-1-TP MAJOR EQUIPMENT ea 0 GOAB Switch, 3-Phase, V-Type, 69 kv, 350 kv BIL, 2000 Amp Continuous Rating, 100,000 Amp Momentary Rating, Swing handle operation, Switch will be furnished with NEMA 4 Hole Terminal Pads (Less Terminal Connectors) and NEMA TR-216 Light Gray Post Insulators, Switch Base Shall Be Constructed of Structural Steel, Hot Dip Galvanized After Fabrication USCO Cat. No. AGCH5V-06920H or equal ea 0 GOAB Switch, 3-Phase, V-type, 15 kv, 110 kv BIL, 2000 Amp Continuous Rating, 80,000 Amp Momentary Rating, Swing handle operation, Switch will be furnished with NEMA 4 Hole Terminal Pads (Less Terminal Connectors) and NEMA TR-205 Light Gray Post Insulators, Switch Base Shall Be Constructed of Structural Steel, Hot Dip Galvanized After Fabrication, Mounting to match existing steel USCO Cat. No. AGCH5V or equal ea 0 Station Class Arresters For 13.2 kv L-L Solidly Grounded System,Polymer, Sky Gray, Metal Top with Line and Ground Terminals for #6 to 500 MCM Aluminum or Copper Conductor, 10 kv, 8.4 MCOV Cooper Cat. No. US010A or equal ea 0 15/20/25 MVA Power Transformer #1 Pennsylvania Transformer Technology, Inc ea 0 15/20/25 MVA Power Transformer #2 Pennsylvania Transformer Technology, Inc ea 0 69kV Circuit Switcher #1 S & C Electric Company Project No.: Page M5 - Contractor Furnished Contractor Installed - Owner Furnished Contractor Installed OFOI - Owner Furnished Owner Installed

11 CITY OF CLAREMORE, OK BH SUBSTATION: 69/13.2 KV SUBSTATION CONSTRUCTION MATERIAL LIST Date: 1/28/2013, Rev. 1 MATERIAL ITEM QTY. UNIT REV DESCRIPTION CODE ea 0 69kV Circuit Switcher #2 S & C Electric Company ea 0 Circuit Breaker, ABB, 69 kv, 2000A ea ea 0 15/20/25 MVA Power Transformer Pennsylvania Transformer Technology, Inc. 69kV Capacitor Bank ABB CONDUIT, POWER CABLE, CONTROL CABLE & TERMINATORS ft ft ft ea ea ea ea a 1 ea 0 Conductor, 2/C #10 Stranded CU, 20/10 Pe/Poly, Direct Burial Control Cable, Color Coded Per IOCEA /NEMA WC-5 Standard (On Latest Revision) Method 1 Conductor, 4/C #10 Stranded CU, 20/10 Pe/Poly, Direct Burial Control Cable, Color Coded Per IOCEA /NEMA WC-5 Standard (On Latest Revision) Method 1 Conductor, 12/C #12 Stranded CU, 20/10 Pe/Poly, Direct Burial Control Cable, Color Coded Per IOCEA /NEMA WC-5 Standard (On Latest Revision) Method 1 2" PVC Schedule 40 Conduit, Belled End, 10-foot length Cantex Cat. No. A52CA12 or equal 2" PVC Schedule 40 Elbow, Belled End, Cantex Cat. No or equal 4" PVC Schedule 40 Conduit, Belled End, 10-foot length Cantex Cat. No. A52DA12 or equal 4" PVC Schedule 40 Elbow, Belled End, Cantex Cat. No or equal 4" PVC Schedule 40 Elbow-45 Degree, Belled End, Cantex Cat. No or equal ea 0 4" PVC Lock Nut 11-22a 10 ea 0 4" neoprene flat sealing washer Project No.: Page M6 - Contractor Furnished Contractor Installed - Owner Furnished Contractor Installed OFOI - Owner Furnished Owner Installed

12 CITY OF CLAREMORE, OK BH SUBSTATION: 69/13.2 KV SUBSTATION CONSTRUCTION MATERIAL LIST Date: 1/28/2013, Rev. 1 MATERIAL ITEM QTY. UNIT REV DESCRIPTION CODE ea ea a 1 ea ea ea 0 4" Schedule 40 PVC Male Terminal Adapter Cantex Cat. No or equal 6" PVC Schedule 40 Conduit, Belled End, 10-foot length Cantex Cat. No. A52GA12 or equal 6" PVC Schedule 40 Conduit End Cap Cantex Cat. No or equal 6" PVC Schedule 40 Elbow, Belled End, Cantex Cat. No or equal 6" PVC Schedule 40 Elbow-45 Degree, Belled End, Cantex Cat. No or equal ar 0 Can of PVC Primer Solvent ar 0 Can of PVC Cement Project No.: Page M7 - Contractor Furnished Contractor Installed - Owner Furnished Contractor Installed OFOI - Owner Furnished Owner Installed

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