David Drewelow

Manage the day to day operations of Drewelow Remediation Equipment. Including proposal writing, supervising the work of office staff, field staff, shop mechanics and meets with clients to assist with the design of soil vapor extraction projects. Provide engineering services for the selection, installation, startup, routine O&M, trouble shooting and repair of vapor extraction and groundwater treatment equipment. Manage the maintenance, repair and upgrading of our fleet of over 200 pieces of soil vapor extraction and ground water treatment equipment. Prepare proposals for short term and long term rental of flame ox's (10,000ppmv+), thermal oxidizers (3,000 -5,000ppmv), blower packages for chlorinated site remediation and activated carbon equipment. Prepare proposals for the sale of new remediation equipment including electric catalytic oxidizers, thermal oxidizers, carbon vessels, pump skids and blower packages. Visit job sites to trouble shoot and repair remediation equipment. David has expert knowledge in the in the use of electrical test equipment to trouble shoot and repair complicated motor control circuits, temperature feedback circuits, 0 –5 volts circuits, 4 – 20 ma circuits and 120 volt control circuits. Performed repair and upgrade work on client owned equipment to include the supply and installation of blowers, motors, pumps, temperature sensors and switches, pressure sensors and switches, 4 – 20 ma valve actuators, motor starters, etc. Design and manufacture soil vapor extraction equipment and electrical control panels. Perform field engineering work for the startup of soil vapor extraction equipment, groundwater pump an treat equipment and soil vapor extraction pilot testing.