4.1.1 AGA/DIVATOR MASKS and OTS GUARDIAN – MODELS; Positive Pressure with safety. a. New masks will be purchased as a discount from manufacturer’s price list as provided on category three in Bid Sheet b. Shall perform full rebuild of second stage regulator. c. All parts shall be cleaned, dried and inspected for damage with wear repairing if necessary. d. Shall reassemble the masks and test to ensure proper adjustments have been made. e. Repairs that cannot be performed in-house shall be the responsibility of the vendor and shall be sent back to the manufacturer by the vendor for repair. APD shall be contacted with City approval obtained prior to sending the unit out. f. Equipment shall be bench and pool tested before returning to APD. Dive Team. 4.1.2 ATOMIC Z2 REGULATORS, APEKS and Aqua Lung Regulators a. New regulators will be purchased as a discount from manufacturer’s price list as provided on category three in Bid Sheet. b. Shall perform complete disassembly of each stage to inspect for damage and wear of components. c. All hoses, O-rings, consoles and gauges shall be inspected and repaired with manufacturer approved parts. Vendor shall supply manufacturer approved parts for repairs. Parts shall be maintained at contracted vendor site or shall be obtained withing stated repair time. d. Shall reassemble each unit as mandated by manufacturer’s specifications.