Architect's SpecificationsFurnish and install mop receptor as manufactured by Florestone Products Co. Shoulder shall be not less than 8" high inside and not less than 1¾" wide. Drain body shall be brass, cast integral and shall provide for a non-caulked connection (lead caulked optional) not less than one inch deep to a two or three inch pipe (specify 2" or 3"). Mop sinks with 3" drains are supplied with a Wedge-Lok ® seal for use on ABS pipe only. Receptor shall be manufactured of tan and white marble chips cast in white portland cement to produce a compressive strength of not less than 3000 PSI, seven days after casting. Terrazzo surface shall be ground and polished with all air holes and/or pits to be grouted and excess removed and sealed to resist stains and moisture. Receptor will be reinforced with 16 gauge wire. Stainless steel grid standard.