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3.3 Piping <br /> 1. Contractor to run each c-sparge well (IW-1 through IW-5) with 318-inches (outer <br /> diameter) secondary contained tubing within a 314-inch sch. 40 PVC pipe with sweeps. <br /> 2. All process piping shall be pressured tested with ozone at 5-psi and must hold the <br /> pressure for 30 minutes, Contractor to monitor for ozone leakages during pressure <br /> testing at the control panel and at the well-head using a portable ozone monitoring <br /> device. A representative of the consultant must be observed the pressure test. <br /> 3.4 Electrical <br /> 1. Contractor to run necessary electrical conduits and wires from the service <br /> main/disconnect located inside the Arco Service Station to 20 amp GFI, <br /> 2, Contractor shall furnish all necessary equipment and labor to provide adequate <br /> electrical supply to operate the C-Sparge panel. <br /> 3. Contractor shall verify the operation of all electrical equipment upon completion <br /> of the work. <br /> 3.5 Signage <br /> 1. Contractor to install the following signage on two sides of the equipment enclosure: <br /> o Danger Highly Reactive <br /> o Danger Flammable Gays <br /> o No Smoking <br /> a Others per local code <br /> 3.6 Construction Schedule <br /> 1. The contractor will confirm the construction schedule with the consultant's Project <br /> Manager or Project Engineer at least 72-hours prior to any work on site. <br /> 2. A facsimile communication of project progress shall be forward to consultant every <br /> third day of construction for the duration of the construction project. <br />