Water Table Lowering in Excavations, for Foundation Backfilling

Water table lowering in the existing water at the bottom of the excavated well for foundation backfilling, for a maximum flow rate of 2.5 m³/h, with submersible electric pump, for draining clean or slightly loaded water, built in stainless steel, with a power of 0.55 kW and a 1 1/2" threaded outlet, for a maximum immersion height of 10 m, maximum liquid temperature 35°C according to UNE-EN 60335-2-41 for domestic use and 50°C for other applications and maximum solid particle size 10 mm; and sewage impulse conduit made of PVC pipe for 10 atm pressure, 50 mm diameter, with flanged end, with brass cast valve, 1 1/2" diameter and brass retention valve for 1 1/2" threading. Including accessories, connections and special pieces for the installation of a pump and its connection to the electrical and sanitation networks, connections of conduits and terminations, extraction and discharge of water at the designated drainage points, installation, maintenance and disassembly of the system.