A pipeline pressure test that accounts for measurement uncertainties includes a method for performing a pressure test of a pipe section of a pipeline including receiving a desired pressure to be applied to the pipe section and a duration of time the desired pressure is to be applied to the pipe section, receiving a pressure measurement of a fluid, a temperature measurement of the fluid, a volume measurement of the fluid, and a pipe section strain measurement, determining a change in fluid pressure and a volume change, determining a pressure change uncertainty and a volume change uncertainty, checking that the pressure change uncertainty is within a pressure uncertainty threshold and that the volume change uncertainty is within a volume uncertainty threshold, determining whether the desired pressure has been applied to the inner surface of the pipe section for the duration of time; and outputting a result of the testing.

A water use management system may be installed in a setting that contains a primary infrastructure for water use to provide an alternate, modular infrastructure for water use. Fresh water used at various points of use, such as a shower or sink, may be diverted into the modular infrastructure prior to draining into the primary infrastructure. Once diverted, the precedent use water is received at a reservoir system where it is treated for a subsequent use. Treatment may include filtration and/or chemical treatment, and may be based upon sensor feedback from the reservoir system. Once treated, the water is ready for subsequent use and may flow from the reservoir system, via the modular infrastructure, to a subsequent point of use, such as a toilet.

A water use management system may be installed in a setting that contains a primary infrastructure for water use to provide an alternate, modular infrastructure for water use. Fresh water used at various points of use, such as a shower or sink, may be diverted into the modular infrastructure prior to draining into the primary infrastructure. Once diverted, the precedent use water is received at a reservoir system where it is treated for a subsequent use. Treatment may include filtration and/or chemical treatment, and may be based upon sensor feedback from the reservoir system. Once treated, the water is ready for subsequent use and may flow from the reservoir system, via the modular infrastructure, to a subsequent point of use, such as a toilet.

A system includes first and second sensors, and a controller. The first and second sensors are operable to attach to a water tank that supplies a building with water. The first sensor is configured to determine that a water level in the tank has fallen below a first level. The second sensor is configured to determine that the water level has risen to at least a second level. The controller includes a processor that is communicatively coupled to the sensors. The processor receives, from the first sensor, an indication that the water level has fallen below the first level. In response, the processor generates a signal to activate a pump that delivers water to the tank. The processor additionally receives, from the second sensor, an indication that the water level has risen to at least the second level. In response, the processor generates a signal to deactivate the pump.

A flood-resistant building is equipped with a flood barrier which enables safe and long-term refuge during floods. In a site surrounding a building, a flood barrier is constructed which encloses nearly the entire periphery of the building. An opening sealing means is connected to an entrance hall and another section serving as an entrance and exit at normal times. The opening sealing means seals the openings of these sections in a watertight manner where the openings are sealed via the opening sealing means. The flood barrier is watertight and at least as tall as the inundation depth estimated to occur in a target area when flooding or storm surges arise. In order to enable long-term refuge, an emergency-use water receiving tank 4 and an emergency-use generator are installed on the roof of the building, and an emergency-use septic tank is installed underground on the site.

A water dispenser assembly for a hand washing station includes a water heater having a water tank and a heating element configured to heat water contained in the water tank, the water tank having an inlet conduit connected to a water source and an outlet conduit, a water outlet connected to the outlet conduit and configured to receive water from the water heater through the outlet conduit, and a valve in fluid communication with the water heater and configured to selectively permit the water to be forced from the water tank and through the water outlet to dispense the water. The hand washing station may include a computer device configured for controlling components of the station.

A water cooling system for showers has a water tank filled with water to be cooled, and a heat exchange loop which includes an internal heat exchange (HX) evaporator immersed into the water within the water tank, and a condenser HX unit positioned externally above the internal evaporator unit. A refrigerant in the loop absorbs the heat from the water in the water tank, circulates in the HX loop, and passes to the condenser HX unit to release heat to ambient air. The water cooling process is passive and does not require any form of external energy. The subject heat transport attains a minimal thermal resistance by two-phase evaporation and condensation process (heat piping) which achieves positive flow at as low as 0.2° C.-1° C. temperature difference between the ambient air and the tank water.

A water cooling system for showers has a water tank filled with water to be cooled, and a heat exchange loop which includes an internal heat exchange (HX) evaporator immersed into the water within the water tank, and a condenser HX unit positioned externally above the internal evaporator unit. A refrigerant in the loop absorbs the heat from the water in the water tank, circulates in the HX loop, and passes to the condenser HX unit to release heat to ambient air. The water cooling process is passive and does not require any form of external energy. The subject heat transport attains a minimal thermal resistance by two-phase evaporation and condensation process (heat piping) which achieves positive flow at as low as 0.2° C.-1° C. temperature difference between the ambient air and the tank water.

The present invention provides a leveling differential-pressure diversion peak-shaving water tank with a function of preventing stagnant water and stale water, which comprises a water storage and distribution tank, a water inlet pipeline, a water outlet pipeline and a front tank. The water inlet pipeline is arranged at the upper portion of the water storage and distribution tank and used for feeding water into the water storage and distribution tank. The water outlet pipeline is arranged at the lower portion of the water storage and distribution tank and comprises a main water outlet pipe and a plurality of water outlet branch pipes. One end of each water outlet branch pipe is connected with the main water outlet pipe. The front tank comprises a front tank water box, a front tank water inlet pipeline and a front tank water outlet pipeline. The present invention further provides a water supply pumping station.

The present invention provides a leveling differential-pressure diversion peak-shaving water tank with a function of preventing stagnant water and stale water, which comprises a water storage and distribution tank, a water inlet pipeline, a water outlet pipeline and a front tank. The water inlet pipeline is arranged at the upper portion of the water storage and distribution tank and used for feeding water into the water storage and distribution tank. The water outlet pipeline is arranged at the lower portion of the water storage and distribution tank and comprises a main water outlet pipe and a plurality of water outlet branch pipes. One end of each water outlet branch pipe is connected with the main water outlet pipe. The front tank comprises a front tank water box, a front tank water inlet pipeline and a front tank water outlet pipeline. The present invention further provides a water supply pumping station.