I. Optional Fitting Enclosure Collars: 1. Optional factory installed 48” inside diameter fitting enclosure collars are available where space permits. 2. Collars shall be factory-installed. 3. Location shall be as shown on separator drawings. J. Optional Fitting Enclosure Risers 1. Risers are shall be constructed of fiberglass-reinforced plastic. 2. Risers shall be trimmed to length on site and attached to collars by contractor. Two part adhesive to be supplied by separator manufacturer. 3. Location shall be as shown on separator drawings. K. Optional Anchor Straps: 1. Optional separator anchoring package consisting of FRP anchor straps and precast concrete deadman beams to be supplied by separator manufacturer if required. 2. Number and location of straps and beams shall be shown on separator drawings. 2.03 Optional Hydrostatic Leak Monitoring System for DoubleWall Separators A. General: 1. The separator manufacturer shall offer the option of a continuously monitored, hydrostatic, leak-detection system. 2. The leak monitoring system shall be designed by the manufacturer to detect a leak in either the primary or secondary tank, at installations with or without groundwater. B. Requirements: 1. The monitoring system shall include: a.) factory-filled interstitial space monitoring fluid, and b.) a fiberglass reservoir mounted directly on the top centerline of the separator to provide for continuous monitoring of the fluid level. 2. The monitoring fluid shall be compatible with the separator and be freeze resistant to -40. 3. The interstice between the primary and secondary tanks must be vented to atmosphere. 4. The reservoir shall be fitted with one 4-inch NPT fitting for installation of an electronic reservoir-level sensor. Part III: Execution A. Testing and Installation:
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