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Department of Transportation - Division of Maintenance Structure Maintenance & Investigations <br />INSPECTION COMMENTARY <br />SCOPE AND ACCESS <br />Grant Line Canal (Tracy Blvd) <br />Directions: South 15, west SR4, south Tracy Blvd to first bridge over canal. (37.820118,-121.449780) <br />EQUIPMENT INFORMATION <br />Incoming Main Voltage: 240V, 3-phase AC <br />Hoist Motor Nameplate Data (North and South) <br />Westinghouse SN 19N5201 <br />15 HP Frame 364 <br />220/440 V <br />42.6/21.3 Amps <br />1150 RPM <br />No Secondary Data <br />Hold Down Motor (North and South) <br />Westinghouse SN 1-4V2702 <br />1 HP Frame 184 <br />220/440 V <br />4/2 Amps <br />955 RPM <br />Shear Lock Motor <br />Westinghouse SN 1778013 <br />3 HP Frame 213 <br />208-220/440 V <br />11-10.4/5.2 A <br />1110 RPM <br />Sump Pump Motor <br />2 HP , 230 V, 3 phase, 4.0 A <br />Motors feeder main voltage measured before operation : 248 V <br />Insulation Resistance Readings measured before operation: <br />North Hoist Motor Stator 35 MOhms <br />North Hoist Motor Rotor 31 MOhms <br />South Hoist Motor Stator 9.5 MOhms <br />South Hoist Motor Rotor 38 MOhms <br />North Hold Down Motor 46 MOhms <br />South Hold Down Motor 95 MOhms <br />Shear Lock Motor 120 MOhms <br />North Advance Gate Motor 250+ MOhms <br />South Advance Gate Motor 250+ MOhms <br />North Gate Motor 250+ MOhms <br />South Gate Motor 250+ MOhms <br />Brake 1. 250+, 2. 250+, 3. 250+, 4. 250+ MOhms <br />North Sump Pump 1. 250+ <br />North Sump Pump 2. 250+ <br />South Sump Pump 1. 250+ <br />South Sump Pump 2. 250+ <br />Current readings measured during operation: <br />North Hoist Motor Stator 32 Amps (Raise) 31 Amps (Lower) <br />South Hoist Motor Stator 32 Amps (Raise) 30 Amps (Lower) <br />North Hold Down Motor 6.2 Amps (Open) 7.1 Amps (Close) <br />South Hold Down Motor 7.2 Amps (Open) 7.1 Amps (Close) <br />Shear Lock Motor 10.8 Amps (Pull) 10.3 Amps (Drive) <br />North Advance Gate Motor 2.2 Amps (Lower) 1.8 Amps (Raise) <br />South Advance Gate Motor 2.2 Amps (Lower) 1.6 Amps (Raise) <br />North Gate Motor 2.7 Amps (Lower) 1.7 Amps (Raise) <br />South Gate Motor 1.7 Amps (Lower) 1.4 Amps (Raise) <br />Brakes(1,2,3&4) 3.7, 4.3 ,3.4 , 4.6 Amps <br />North Sump Pump 1. 3.7 amps <br />North Sump Pump 2. 3.7 amps <br />South Sump Pump 1. 3.7 amps <br />South Sump Pump 2. 3.7 amps <br />Printed on: Monday 06/23/2025 03:38 PM Page 4 of 12 29C0022/AABI/153157 <br />