2. Lock Sets: Cylinder lock sets where called for shall be Schliage or equal. All exposed trim shall be aluminum with satin finish, alumilited, Mechanism shall be all bronze with heavy zinc dichromate plating on all parts. All cylinder locks shall be master-keyed for each location. Provide individual keys for all locks. ?: Exit Bolts: (Refer to Building No. 330, Location "B"), “Exit bolts -shall be equal to Sargent Nos. 5391L and 5344 L (install as directed), and shall be complete including sectional entrance door handle for outside, wrought brass cylinder bases, forged brass grip, cylinder mortise lock No. 993; finish U. S. 4. Locks shall be master-keyed. 4. Hinges: Except where otherwise called for on the drawings, all door, gate and cabinet hinges shall be surface type aluminum hinges. Hinges shall be welded to doors and door frames or drilled for serew or rivet attachment as called for On the drawings. Unless otherwise shown, 1-1/2 pairs of hinges shall be installed on each door. Hinges shall be similar to the following typical examples: Door Hinges: In accordance with sketch numbered SK-171 for extruded hinge, 63ST 5 aluminum alloy, with stainless steel pin. Cabinet Hinges: In accordance with SK- 174, SK-175 and SK-176 for different sizes for #19 gauge aluminum sheet hinges, 52S-H34 aluminum alloy anodized, with stainless steel pin. Hinge Hasps: In accordance with sketch SK-177, and SK-179 for different sizes for sheet aluminum hinges hasps and staples, 52S-H34 aluminun, with stainless steel pins. Bolt Hook Hinges shall be California Hardware Catalogue No. 952 or equal, wrought steel galvanized. Spring Hinges for screen doors shall be of the adjustable SoLt type finish U.S.4 of sizes shown or appropriate for the use. For each door furnish roller catch with rubber roller and door pull; to match hinges. 8-18 finish