Section 9 1 3 provides guidance for reduction or elimination of the storage volumes as defined.
Reservoir roof section.
Proposed reservoir has barrel bottom stationary roof pontoon including center and peripheral floats made of welded shells with blanked end faces uniformly spaced over pontoon area and connected to each other load bearing beams and peripheral stiffening ring.
Section 9 0 5 provides the basis for determining when the smaller of the sb or fss components may be deleted from the total storage volume.
Invention is designed for use in reservoirs to prevent losses of oil products.
Specifications and standards all surface preparation and material application shall comply with american water works association standard d 102 latest edition steel structures.
C if tank or reservoir roof plates or sheathing are known to be weak or defective and it is necessary for employees to go on a roof to determine the extent of the weak and defective parts or to remove them the following precautions or substantially equally safe procedure shall be used.
11 14 sampling and instrumentation requirements monitoring of water quality in service reservoirs and water towers is required in uk under the water supply water quality regulations 1989.
Alternatives include piped systems above the reservoir roof leading to one or more ventilation chambers or ventilation ducts.
Oil producing and refining industries.
Designed and constructed pursuant to awwa d110 04 wire strand wound circular prestressed concrete water tanks which is hereby incorporated by reference.
F if the roof is to be buried and have a function e g recreation landscape parking in addition to covering the reservoir.
Date section page 8 4 04 all sections all pages 3 11 05 standard drawings r 4 and r 8.
Including but not limited to shell roof roof hatch and reservoir vent.