Redwood City Electric, Inc. TRANSMITTAL LETTER To: Transworld Construction, Inc. 1178 Folsom Street San Francisco, CA 94103 Date: 05/31/12 Job #: 9340 Regarding: SFO DATA CENTER Attn: Rob Acero We are sending you: As Builts Change Order Contract Copy of Letter Insurance O& M Manuals Plans Samples Submittals Manuals Copies Date Description 1 of 1 05/31/12 26 08 26 Grounding These are transmitted as checked below: For approval Approved as submitted Resubmit copies for approval For your use Approved as noted Submit copies for distribution As required Return for correction Return copies approved or corrected For review and comment FOR BIDS DUE PRINTS RETURNED AFTER LOAN TO US Remarks: Copy to: Job File Signed: Tony Maisano 2775 Northwestern Parkway, Santa Clara, California 95051 Phone: (408) 450-4800 Fax: (408) 450-4801 Electrical Contractors State License Number 318433
Insulated Ground Bushings - Feed Through Lugs PC 5590 Insulated Ground Bushings See new products at lhdottie.com Ground bushings with feed through lugs are used to terminate threaded rigid conduit or IMC to an enclosure. A 90 C Cu/Al dual rated feed through lug is provided for grounding jumper to neutral bus bar. CAT NO UPC SIZE RANGE STD MSTR WT/STD UNIT GB50 10300 1/2" 14 Sol to 4 Str 25 250 1.68# C GB75 10305 3/4" 14 Sol to 4 Str 25 250 1.99# C GB100 10310 1" 14 Sol to 4 Str 25 250 2.50# C GB125 10315 1-1/4" 14 Sol to 4 Str 25 250 2.97# C GB150 10320 1-1/2" 14 Sol to 2 Str 25 250 3.63# C GB200 10325 2" 14 Sol to 2 Str 10 100 1.81# C GB250 10330 2-1/2" 14 Sol to 1/0 Str 5 50 1.69# C GB300 10335 3" 14 Sol to 1/0 Str 5 50 2.00# C GB350 10340 3-1/2" 14 Sol to 2/0 Str 2 20 2.40# C GB400 10345 4" 14 Sol to 2/0 Str 2 20 2.78# C Insulated Ground Bushings - Lay In Lugs PC 5600 Insulated Ground Bushings Ground bushings with lay-in lugs are used to terminate threaded rigid conduit or IMC to an enclosure. A 90 C Cu/Al dual rated lay in lug is provided for grounding jumper to neutral bus bar. CAT NO UPC SIZE RANGE STD MSTR WT/STD UNIT GBL50 10400 1/2" 14 Sol to 4 Str 25 250 1.87# C GBL75 10405 3/4" 14 Sol to 4 Str 25 250 2.11# C GBL100 10410 1" 14 Sol to 4 Str 25 250 2.48# C GBL125 10415 1-1/4" 14 Sol to 4 Str 25 250 3.09# C GBL150 10420 1-1/2" 14 Sol to 2 Str 25 250 4.12# C GBL200 10425 2" 14 Sol to 2 Str 10 100 1.94# C GBL250 10430 2-1/2" 14 Sol to 1/0 Str 5 50 1.86# C GBL300 10435 3" 14 Sol to 1/0 Str 5 50 2.19# C GBL350 10440 3-1/2" 14 Sol to 1/0 Str 2 20 1.09# C GBL400 10445 4" 14 Sol to 1/0 Str 2 20 1.17# C Ground Rod Driver PC 6550 UL Listed Die Cast Feed Through UL Listed Die Cast Lay in Lug Ground Rods (Copper Bonded) PC 5610 UL Listed Copper Bonded Caution! Always Wear Eye Protection No Need For Ladders Or Sledge Hammers! Caution! Always Wear Eye Protection Cu/Al (Copper/ Aluminum) Cu/Al (Copper/ Aluminum) Ground rods are available in 1/2", 5/8" and 3/4" diameters and in 8' and 10' lengths. The copper exterior is molecularly bonded to nickel sealed, high strength steel cores. Copper jacket plating thickness exceeds UL & ANSI specs of.010". CAT NO UPC SIZE STD MSTR WT/STD UNIT GR1208 35005 1/2 x 8' 10 100 50.00# Ea GR1210 35010 1/2 x 10' 10 100 63.00# Ea GR5808 35015 5/8 x 8' 10 100 69.50# Ea GR5810 35020 5/8 x 10' 10 100 86.00# Ea GR3408 35025 3/4 x 8' 5 50 49.75# Ea GR3410 35030 3/4 x 10' 5 50 63.75# Ea Install ground rod from ground level. Sliding action drives rod without need of hammer. Driver will not deform end of rod. Heavy duty construction provides maximum driving forces, while soft rubber ergonomic grip provides user comfort. CAT NO UPC DESCRIPTION STD MSTR WT/STD UNIT GRD58 24101 5' Driver with insert for 5/8" Ground Rod 1 1 22.34# Ea GRD34 24102 5' Driver with insert for 3/4" Ground Rod 1 1 22.13# Ea Insert Only GRDI58 24103 Insert only for 5/8" Ground Rod 1 1 5.73# Ea GRDI34 24104 Insert only for 3/4" Ground Rod 1 1 5.63# Ea C19 FITTINGS & STAMPINGS > INSULATED GROUND BUSHINGS > GROUND RODS > GROUND ROD DRIVER
Connectors SPLIT BOLT, POST & TAP CONNECTORS COPPER & CAST BRONZE TERMINAL LUGS TYPE TL 1 2 3 4 1A 1B 5 6 7 8 CATALOG NO. UPC CODE MAX. WIRE RANGE MIN. LENGTH HEIGHT WIDTH BOLT HOLE SIZE AMP. NEC. FIG. NO. CARTON TL8 00570 8 str 14 sol.813.375.375 3/16 35 1 100 2 TL4 00571 4 str 14 sol 1.125.563.500 1/4 70 1 100 3 TL1/0 00572 1/0 str 4 sol 1.500.813.750 5/16 125 1A 50 12 TL250 00573 250 MCM 1/0 str 1.938 1.000.938 3/8 250 1A 25 23 TL500 00574 500 MCM 4/0 str 3.000 1.500 1.375 1/2 400 1B 10 57 TL1000 00575 1000 MCM 500 str 3.938 1.938 2.000 1/2 600 1B 4 155 TL1/0-L2 00580 1/0 str 4 sol 2.688.875.813 5/16 125 2 40 25 TL250-L2 00581 250 MCM 1/0 str 3.000 1.000 1.125 3/8 250 2 15 38 TL 500-L2 00582 500 MCM 300 MCM 4.500 1.438 1.375 1/2 500 2 6 75 TL1000-L2 00583 1000 MCM 750 MCM 4.938 1.938 2.000 1/2 650 2 4 165 TL250-2L2 00584 300 MCM 4/0 str 4.375 1.125 1.938 1/2 500 3 10 80 TL500-2L2 00585 500 MCM 300 MCM 4.500 1.500 2.500 1/2 800 3 6 175 TL500-2L4 00586 500 MCM 300 MCM 4.500 1.500 2.875 1/2 800 4 4 205 TL1000-2L4 00587 1000 MCM 750 MCM 5.500 2.000 3.875 1/2 1300 4 2 330 TL250-3L2 00588 300 MCM 4/0 str 4.375 1.250 3.000 1/2 750 5 4 105 TL500-3L2 00589 500 MCM 300 MCM 4.500 1.500 3.625 1/2 1200 5 3 230 TL500-3L4 00590 500 MCM 300 MCM 4.500 1.500 3.625 1/2 1200 6 3 230 TL1000-3L4 00591 1000 MCM 750 MCM 5.563 2.000 5.688 1/2 1950 6 2 440 TL250-4L2 00592 300 MCM 4/0 str 4.313 1.250 4.000 1/2 1000 7 3 130 TL500-4L2 00593 500 MCM 300 MCM 4.500 1.500 4.938 1/2 1600 7 2 285 TL500-4L4 00594 500 MCM 300 MCM 4.500 1.500 4.938 1/2 1600 8 2 285 TL1000-4L4 00595 1000 MCM 750 MCM 5.313 2.000 7.500 1/2 2600 8 1 540 QTY. SHPG. WT. LBS./100 25 NSi
Bare Wire Bare Copper Soft Drawn Bare Copper Wire Meets or Exceeds ASTM-B3, ASTM-B8, or ASTM-B787 APPLICATIONS For use in overhead transmission and distribution applications. Also for use in grounding applications. CONDUCTORS Solid conductors uncoated copper per ASTM-B3 Stranded conductors 8 AWG 2 AWG and 250 MCM 750 MCM uncoated copper per ASTM-B3 and ASTM-B8 Stranded conductors 1 AWG 4/0 AWG uncoated copper conductors per ASTM B3 and ASTM-B787 INDUSTRY STANDARDS ASTM B3 ASTM B8 ASTM-B787 RoHS Compliant 2010, Cerro Wire LLC All Rights Reserved MADE IN THE USA REV-07/2010 Electrical Division: 800.523.3869 FAX 877.877.9563 Consumer Markets Division: 866.572.3776 FAX 812.793.2626 www.cerrowire.com A Marmon Wire & Cable/ Berkshire Hathaway Company
Bare Wire Bare Copper Soft Drawn Bare Copper Wire PRODUCT CODE NUMBER AWG SIZE NO. OF STRANDS CLASS B STRAND DIAM. EACH INCHES APPROX. OVERALL DIAM. INCHES APPROX. NET WT. LBS./M FT. UPC CODE 050-1600S 12 SOLID.0795.0795 19.28 048243334100 050-1800S 10 SOLID.1002.0795 30.63 048243334209 050-2000J 8 SOLID.1285.1285 50 048243334308 050-2000P 8 SOLID.1285.1285 50 048243334360 050-2215I 6 SOLID.1620.1620 79 048243334407 050-2200A 6 SOLID.1620.1620 79 048243694440 050-2200A3 6 SOLID.1620.1620 79 048243900855 050-2200B 6 SOLID.1620.1620 79 048243900879 050-2200K 6 SOLID.1620.1620 79 048243334438 050-2200P 6 SOLID.1620.1620 79 048243334483 050-2400A 4 SOLID.2043.2043 126 048243694549 050-2400A3 4 SOLID.2043.2043 126 048243900855 050-2400B 4 SOLID.2043.2043 126 048243900688 050-2400H 4 SOLID.2043.2043 126 048243334544 050-2400J 4 SOLID.2043.2043 126 048243334520 050-2400K 4 SOLID.2043.2043 126 048243334537 050-2600D 2 SOLID.2576.2576 201 048243334605 050-4000J 8 7.0486.146 50 048243335008 050-4000K 8 7.0486.146 50 048243335039 050-4200A 6 7.0612.184 80 048243900817 050-4200A3 6 7.0612.184 80 048243900831 050-4200B 6 7.0612.184 80 048243900848 050-4200K 6 7.0612.184 80 048243335138 050-4215I 6 7.0612.184 80 048243335107 050-4400A 4 7.0772.232 127 048243900610 050-4400A3 4 7.0772.232 127 048243900633 050-4400B 4 7.0772.232 127 048243900640 050-4400H 4 7.0772.232 127 048243335206 050-4400K 4 7.0772.232 127 048243335237 050-4600D 2 7.0974.292 202 048243335404 050-4600K 2 7.0974.292 202 048243335435 050-5000J 1/0 19.0807,.0591.360 323 048243337620 050-5000K 1/0 19.0807,.0591.360 323 048243337637 050-5200J 2/0 19.0906,.0663.404 404 048243337729 050-5200K 2/0 19.0906,.0663.404 404 048243337736 050-5400J 3/0 19.1017,.0745.454 509 048243337828 050-5400K 3/0 19.1017,.0745.454 509 048243337835 050-5600J 4/0 19.1142,.0836.510 643 048243337927 050-5600K 4/0 19.1142,.0836.510 643 048243337934 REV-07/2010 Electrical Division: 800.523.3869 FAX 877.877.9563 Consumer Markets Division: 866.572.3776 FAX 812.793.2626 www.cerrowire.com A Marmon Wire & Cable/ Berkshire Hathaway Company
Bare Wire Bare Copper Soft Drawn Bare Copper Wire PACKAGE CODE A3 A B D H I J K P S* X* AWG 15' 25' 50' 125' 200' 315' 500' 1,000' 5,000' SPEC SPEC SIZE COIL COIL COIL SPOOL SPOOL SPOOL REEL REEL REEL SIZE CUT AVAIL. 8 SOLID X X 6 SOLID X X X X X X 4 SOLID X X X X X X 2 SOLID X 8-7 STR X X 6-7 STR X X X X X 4-7 STR X X X X X 3-7 STR 2-7 STR X X 1-19 STR 1/0-19 STR X X 2/0-19 STR X X 3/0-19 STR X X 4/0-19 STR X X 250-37 STR X 350-37 STR X 500-37 STR X 750-37 STR X 12-7 STR 1,250' REEL 10-7 STR 800' REEL * No special cuts less than 50' REV-07/2010 Electrical Division: 800.523.3869 FAX 877.877.9563 Consumer Markets Division: 866.572.3776 FAX 812.793.2626 www.cerrowire.com A Marmon Wire & Cable/ Berkshire Hathaway Company
Grounding SOLID OR STRANDED WIRE GROUNDING PIGTAILS & GREEN GROUNDING CLIPS SOLID WIRE GROUNDING PIGTAILS AND SCREWS Pigtails are insulated conductors supplied with an attached ground screw on one end and the insulation stripped back one inch on the other end. Meets requirements of NEC. A great labor saver. CATALOG NO. UPC CODE DESCRIPTION SHPG. WT. LBS./100 STANDARD PACKAGE PG 14 H 11100 6.5 inch 14 AWG solid with hex screw - green 3 50 PG 14 H-D 78993 6.5 inch 14 AWG solid with hex screw - green 2 5 PG 12 H 11101 6.5 inch 12 AWG solid with hex screw - green 3 50 PG 12 H-D 78992 6.5 inch 12 AWG solid with hex screw - green 2 5 PG 14 C 11108 6.5 inch 14 AWG solid with combo screw - green 2 50 PG 12 C 11109 6.5 inch 12 AWG solid with combo screw - green 3 50 PG 12 C-8 14328 8 inch 12 AWG solid wtih combo screw - green 3 50 PG 12 CB 11121 6.5 inch 12 AWG solid with combo screw - black 3 50 PG 12 CW 11122 6.5 inch 12 AWG solid with combo screw - white 3 50 GSH 11106 hex head green grounding screw 1 100 GSC 11107 combo slotted hex screw 1 100 STRANDED WIRE GROUNDING PIGTAILS COMPLETE WITH RING AND SPADE TERMINAL Green insulated conductors supplied with a spade terminal on one end and a ring terminal with a captive green-dyed screw on the other end. 65 strand #12 awg and 41 strand #14 awg for maximum flexibility. Available with round, hex head or combo screw. CATALOG NO. UPC CODE DESCRIPTION SHPG. WT. LBS./100 STANDARD PACKAGE PG 12 SR 11103 8 inch 12 AWG (65W) stranded with round screw 4 50 PG 14 SC 11110 8 inch 14 AWG (41W) stranded with combo slotted screw 3 50 PG 12 SC 11111 8 inch 12 AWG (65W) stranded with combo slotted screw 4 50 PG 12 SH 11113 8 inch 12 AWG (65W) stranded with hex screw 4 50 GREEN GROUNDING CLIPS CAT. NO. UPC CODE DESCRIPTION SHPG.WT. LBS./100 PACKAGING CARTON GGC-1000 11125 green grounding clips 3 100 1200 CASE 253 NSi
Die Cast Ground Clamp 8M24 TYPE DCGC Features Manufactured from die cast zinc alloy UL Listed Assembled with zinc plated steel hardware Benefits Provides maximum durability while providing economy Ensures reliability for copper conductor Provides corrosion resistance L W H Catalog Conduit Ground Number Size Wire Range L W H DCGC-1 1/2, 3/4, 1 2-8 2-13/64 1-3/8 1-1/2 All wire sizes, unless noted otherwise, are American Wire Gauge (AWG) UL File E158587 G G 253 4730 Madison Road, Cincinnati, Ohio 45227-1426 Phone 513 533-6200 Fax 513 871-4084 Web site www.ilsco.com Canada 1050 Lakeshore Road East, Mississauga, Ontario, Canada L5E1E4 Phone 905 274-2341 Fax 905 274-8763
Cast Brass Ground Clamp 8M24 LR-701570 TYPE BGC Features Manufactured from cast brass UL Listed and CSA Certified Type BGC-DB supplied with stainless steel or silicon bronze hardware Benefits Provides maximum conductivity and strength Ensures reliability for copper conductor BGC-1DB and BGC-2DB are suitable for direct burial in earth or concrete. Can be used to ground swimming pools and spas. L W H G Catalog Pipe Ground Wire Dimensions Number Size Range L W H BGC-1 1/2, 3/4, 1 2-10 2-9/32 2-17/32 1-1/2 BGC-2 1-1/4, 1-1/2, 2 2-10 3-9/16 2-1/4 2 BGC-1DB* 1/2, 3/4, 1 2-10 2-9/32 2-17/32 1-1/2 BGC-2DB* 1-1/4, 1-1/2, 2 2-10 3-8/16 2-1/4 2 All wire sizes, unless noted otherwise, are American Wire Gauge (AWG) * Suitable for direct burial in earth or concrete. UL File E158587 G 4730 Madison Road, Cincinnati, Ohio 45227-1426 Phone 513 533-6200 Fax 513 871-4084 Web site www.ilsco.com Canada 1050 Lakeshore Road East, Mississauga, Ontario, Canada L5E1E4 Phone 905 274-2341 Fax 905 274-8763 254