Truck Scale Repair and Maintenance Specification Parts and service to repair the five (5) trucks scales at the Ridge Road Transfer Station Facility on an as needed basis. The scales will be tested. If scales are found to be out tolerance they will be recalibrated by changing or adjusting the indicators when needed. Types of indicators: GSE 460 and Sensortronic 2212. Scales Types: B-Tek model BS-6010- 200-FE CD-P, Pit-Type Truck Scale. The load cells are to be tested for moisture and any other electrical damage. There are 8 loads cell in each plate form to be tested. When invoicing the City of Cleveland, the cost for testing and/or calibrating, all labor and materials should be included in the cost. The cost for load cells should be listed separately. No other charges will be considered nor processed for payment unless apart of the original quote submitted prior to work being performed. If there are any additional repairs that are needed the Division of Waste Collection should be notified prior to the repair. Vendor Qualifications: Must be able to provide expert technical services to maintain operation of the scales as well as supply and install replacement parts including load cells on an as needed basis. Load cells and modules to be in stock or readily accessible (within 24 hours of notification). Emergency calls must be responded to within 24 hours of notification Descriptions: Three (3) (60' x10') Scales at Transfer Station in the tunnel Two (2) (70' x 10') at the Scale house- In and Out bound Total of five (5) scales at 200,000 lbs. capacity each Requires knowledge and equipment for some confined space entry. Typical Scale Use/Specifications: -System installed in 1999 -Model 2202-W4 Digital Junction Module -Microprocessor based analog to digital conversion module -Scale System accommodates up to four (4) load cells per module -Multiple modules to be interconnected to accommodate up to twelve load cells per system -System provides discrete communications with individual load cells via dedicated addresses allowing monitoring of each cell from the weigh meter/controller. -50,000 counts resolution per load cell -Sample speed of 3 per second -Optically coupled data link -Surge voltage protected -RFI Shielded -Contained in Nema 4 enclosure with sealed cable pots
