2-Scope of Work.docx

Scope of Work

The City of Dallas Sanitation Services Department requires proposals from qualified contractors to provide maintenance and repair services for the leachate collection and control system at the McCommas Bluff Landfill.

This Scope of Work (SOW) covers all maintenance and repair as it becomes necessary on the thirteen Leachate Stations at McCommas Bluff Landfill.

Work under this contract includes routine inspections, preventive maintenance, corrective repairs, calibration of monitoring and control equipment, and the replacement of system components as needed to ensure safe, efficient, and compliant system performance.

The contractor shall furnish all labor, materials, equipment, tools, transportation, and supervision required to perform full-service maintenance and repairs to support the uninterrupted and compliant operation of the landfill’s leachate collection and control system.

Typical repair tasks will result from a call or text from MBLF’s environmental staff regarding a malfunctioning Leachate Station. Repairs must be made in 24 hours to maintain the landfill’s compliance with applicable state and federal regulations. Work may include:

a. visual inspection for leaks, corrosion, structural damage, and sediment/blockages.

b. functional testing of pumps, valves, alarms, and automatic controls with recorded start/stop times and flow measurements.

Repairs must be photographed, time-tamped, and submitted with any relevant parts descriptions and other records.

Corrective Repair Requirements Contractor shall perform corrective repairs identified during inspections or emergency responses.

The contractor must respond within 4 hours of a phone call or text from MBLF environmental staff. As far as possible the contractor must respond on-site on that same day or at the latest within 24 hours.

Contractor must use replacement parts that meet or exceed OEM specifications and referenced standards (if parts are not supplied by MBLF from in-house inventory);

1. Initial actions will include assessment of the malfunction or breakdown based on communications with MBLF. Repair may include component failures at the control panel testing and replacement of pumps, motors, transducers and associated wiring harnesses.

Replacement Parts and Materials The contractor is responsible for furnishing and installing all replacement components necessary for continued system functionality if such parts are not available from on-site inventory.