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Plans 22" SPIRAL, 1.5" FSK EXTERNAL WRAP 22X22 FD OR FSD ROOF PIT r11111IN u 22" SPIRAL DUCT CONNECT T XISTING RA TRUNK - 22X22 DUCT, 1" SA NEW FILTER RACK 24X24 2 "SA ATTIC ATTIC MECH ROOM 22X22 FSD OR FD 1 HOUR WALL ary OF TIGARD Approved Conditionally Approved ): For only the work as descrbed In: • PERMIT NO, OW- ?,fit -om0 3s. See Letter to: Follow ( ): Job Address: TAO SLAT 5-4-e- ` )• By Pe Date: v" I30 / Oi RETURN AIR TRUNK LINE ADDITION DATE: 01 -26 -01 SCALE: NTS •�� • DRAWN BY: TDS DRAWING NUMBER: 1 -1 UNIFIED SEWRAGE AGENCY DURHAM REITMEIER MECHANICAL 503 -603 -0 05