Piping: Unless indicated otherwise, wrap piping with lead sheet for 10 inches (250 mm) from point of penetration.
Comply with manufacturer's recommendations.
Wherever lead protection is penetrated, cut, or punctured, assure continuity of shielding by use of sheet lead, lead plugs or other approved method.
Install sheet lead lining within steel door frames to provide radiation protection to levels indicated or levels required to match adjacent wall protection.
Wrap electrical outlet boxes, view window frames, and other penetrations through lead barrier material with sheet lead to provide radiation protection to levels indicated or levels required to match adjacent wall protection.
FIELD QUALITY CONTROL
Radiation Protection Survey: Employ a registered X-Ray physicist, certified by American Board of Radiology, for testing specified radiation protective Work and to conduct radiation protection survey of facility after radiation shielding materials are installed.
Take radiation measurements and indicate evaluation of measurements in report. Submit report to Architect and Owner upon completion of report.
Take radiation measurements in locations indicated by Architect.
Correct deficiencies in, or remove and replace, radiation protection Work that testing indicates does not comply with specified requirements.
Check and readjust operating hardware items, leaving doors and frames undamaged and in proper operating condition.
Remove excess materials from site and leave Work areas broom clean.
Leave exposed surfaces ready for site finishing.
Lock radiation-protected rooms once door hardware is installed. Limit access to only those persons performing Work in radiation-protected rooms or as directed by Owner.
Tape temporary paper signs on radiation-resistant walls with the following text:
“Do not mount equipment on this wall without covering penetrating fasteners with lead sheet of thickness required by Contract Documents."
Room No. ______; [North; South; East; West; and ___________ ] wall, [1/16 inch; _____ inch] lead from floor to [96 inches; _______ inches] above [floor; or suspended ceiling]
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