HINGED manhole formed by a fence and a cap. THE FENCE is provided with at least one housing OPEN UP WHOSE SIDE ARE EXTREME RETENTION OVERLAPPING lips and opening into the interior of said rim. Each unit is designed to cooperate with a protruding pin (12) STOPPER, allowing WITHDRAWAL STOPPER IN RELATION TO FENCE AROUND pivotally hinge device. Each pin (12) has a central portion (16) THICK OF THE PARTIES TO THE TOP SIDE (17 and 18) that frame.
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