else return myBaseCrewGroupImpl.randomFilter(0f);
return myBaseCrewGroupImpl.randomFilter(0f);
    private float calculateCleanWaterNeeded(int currentActivityIntensity) {        if (currentActivityIntensity > 0)            return myBaseCrewGroupImpl.randomFilter(0.1667f);        else            return myBaseCrewGroupImpl.randomFilter(0f);    }