Inquiry (采购产品): Local Service Providers Please provide qualified vendor sources in the Lake Charles, La area from whom I can obtain competitive bids to make the following upgrade. Please also advise replacement price (installed), for comparison, to determine if it is more economically advantageous to replace or upgrade. We have a Whiting 3 motor electric overhead traveling tiger crane, 65 ton capacity 9derated to 30 tons), 67'0" span, 55'0" lift, #5711. Our scope of work is to upgrade as follows. 1- REMOVE EXISTING BARE WIRE ELECTRICATION SYSTEM AND INSTALL NEW FOUR BAR 250 AMP ROLLED COPPER ENCLOSED SYSTEM 2- REMOV EXISTING BRIDGE BARE WIRE ELECTRIFICATION SYSTEM - INSTALL A C-TRACK FESTOON SYSTEM TO POWER HOIST & TROLLEY 3- INSTALL A FOUR MOTION POWER ELECTRONICS FREQUENCY DRIVE CONTROL AND REGENERATION RESISTOR.Y DRIVE CONTROLS 4- REMOVE EXISTING MOTORS AND HAVE THEM MODIFIED TO BE COMPATIBLE WITH THE NEW FREQUENCY DRIVE CONTROLS 5- INSTALL AN INDEPENDENT PUSHBUTTON SYSTEM TO ALLOW THE PENDANT TO ACCESS ALL PARTS OF THE OPERATING FLOOR INDEPENDENT OF THE LOAD. 6- REPLACE THE EXISTING HYDRAULIC BRIDGE BRAKE WITH A NEW DC SOLENOID OPERATED BRAKE. PPG WILL PROVIDE A MANLIFT AS REQUIRED FOR INSTALLATION Thanks, Nancy Johnson Sourcing Analyst **** Hidden Message ***** Nancy Johnson 70669 Company: PPG Industries E-mail: nancyjohnson@ppg.com **** Hidden Message ***** nancyjohnson@ppg.com
