Specifications include, but are not limited to: AP6T1 Transformer Information Type: Westinghouse, 69kV to 13.8kV Gallons in Main Tank: 3800 Manufacture Date: 1958 LTC Model: URS LTC Serial #: 6537155 Gallons in LTC: 146 Additional Info: Leaking from tank into LTC compartment AP6T1 LTC Scope of Work City to provide: Clean/clear/safe work site Unlimited clear access to the site for this scope of work Purchase Order prior to mobilization of site Hold all clearances for this scope of work All switching/isolation and grounding for this scope of work Contractor to provide: Labor and equipment to perform the following scope of work Pretest the transformer TTR on all OLTC Positions (as found on the NLTC) Repair leak in LTC compartment between the LTC drive motor (under oil) and manual hand crank compartment. LTC is a Westinghouse URS. Repair leak on oil level gauge TTR on all OLTC Positions (as found on the NLTC) Clean job site Provide testing reports within 14 days of demobilization AP6T6 Transformer Information Type: G.E. with LTC, 12MVA, 69kV to 13.8kV Gallons in Main Tank: 3320 Manufacture Date: 1985 LTC Model: LRT-200 (Upgraded in 2010 to High Amp) LTC Serial #: 3427 Gallons in LTC: 150 Additional Info: Tank suitable for 14.7 pounds Vacuum Filling. Transformer is currently uninhibited. AP6T6 LTC Scope of Work City to provide: Clean/clear/safe work site Unlimited clear access to the site for this scope of work Purchase Order prior to mobilization of site Hold all clearances for this scope of work All switching/isolation and grounding for this scope of work Contractor to provide: Mobilization to site Labor and equipment to perform the following scope of work Pretest the transformer Power factor bushings Power factor windings TTR on all OLTC Positions (as found on the NLTC) Excitation Winding Resistance Regasket all inspection covers, pressure devices, gauges, and LTC Regasket all radiators (3) and oil pump (1) Requires a crane/derrick to remove and reinstall radiators - to be furnished by contractor and cost to be included in quote Contractor is responsible for supplying clean dry oil storage whether by rental or owned storage tanks or tankers. Price for all associated costs to be included in quote. Remove lower radiator plugs and replace with new ball valves and plugs. Remove upper radiator plugs and clean/replace. Visual inspection of OLTC Repair known leaks and check for any additional leaks Radiator flanges (were drilled and injected by Colt Industries; are now leaking again) Oil circulation pump flanges (were drilled and injected by Colt Industries; are now leaking again) LTC compartment welds Etc. Provide a cost and receive approval from Substation Foreman on any found additional leaks before repair. Repack all radiator and oil pump valve shafts Pull vacuum on the main tank Fill the transformer Circulate minimum of two (2) passes after filling Provide and introduce inhibitor in the oil to reach the desired level of 0.30% by weight - oil in transformer is currently uninhibited Post test the transformer Power factor bushings Power factor windings TTR on all OLTC positions (as found on the NLTC) SFRA Clean site and demobilize Formal report to follow within 14 days of demobilization
