Semidirect equipment maintenance

Claim 1

A RADIATION-SHIELDING ARRANGEMENT FOR USE WITH RADIOACTIVE EQUIPMENT, SAID ARRANGEMENT COMPRISING IN COMBINATION AN ACCESS PORT MEMBER COUPLED TO SAID EQUIPMENT, A RELATIVELY STATIONARY SHEILDED WALL STRUCTURE MOUNTED ADJACENT TO SAID ACESS PORT MEMBER, A RELATIVELY STATIONARY SHIELDED FLOOR SECTION HAVING A PORTION SHAPED SUBSTANTIALLY TO ENGAGE A PORTION OF THE OUTER PERIPHERY OF SAID ACESS PORT MEMBER, SAID FLOOR SECTION EXTENDING AWAY FROM SAID ACESS PORT MEMBER AND BEING DISPOSED AT AN ANGLE TO AND IN ENGAGEMENT WITH SAID WALL STRUCTURE, A PORTABLE SHIELDED BOOTH MEMBER HAVING AT LEAST ONE UPSTANDING WALL SECTION FORMED TO PROVIDE A PARTIAL ENCLOSURE HAVING A SIDE OPENING ENGAGEABLE WITH SAID STATIONARY WALL STRUCTURE SO THAT SAID WALL SECTION AND SAID WALL STRUCTURE COOPERATE TO FORM AN ENCLOSURE GENERALLY SURROUNDING SAID ACESS PORT MEBER AT THE OPERATIVE POSITION OF SAID BOOTH MEMBER, MEANS FOR SUPPORTING SAID BOOTH MEMBER AT SAID OPERATIVE POSITION, A SHIELDED COMPLEMENTARY FLOOR SECTION SECURED TO SAID UPSTANDING WALL SECTION, SAID COMPLEMENTARY FLOOR SECTION HAVING AN OPENING THEREIN SHAPED SO THAT THE REMAINDER OF THE OUTER PERIPHERY OF SAID ACCESS PORT AND SAID STATIONARY FLOOR SECTION CAN BE RELATIVELY CLOSELY FITTED THEREIN AND SUBSTANTIALLY ALIGNED WITH SAID COMPLEMENTARY FLOOR IN SECTION AT SAID OPERATIVE POSITION, SAID COMPLEMENTARY FLOOR SECTION AND SAID STATIONARY FLOOR SECTION EXTENDING IN SUBSTANTIALLY THE SAME PLANE AT SAID OPERATIVE POSITION SO THAT SAID FLOOR SECTIONS WHEN SO ALIGNED TOGETHER FORM A SUBSTANTIALLY CONTINUOUS FLOOR OF SAID ENCLOSURE, AND SAID CONTINUOUS FLOOR SURROUNDING SAID ACCESS PORT MEMBER.