DI-HFAC-81982
3.3.17 The report shall specify if grounding straps of braided wire and electrical connections are
used, and if they are of adequate length to accommodate the maximum excursion of the mounted
equipment.
3.3.18 The report shall specify if the elastomeric element mount was painted, burned, damaged,
cut, exposed to oil, and if it was adequately protected during the construction phase.
3.3.19 For each machinery, equipment item, or piping system that is resiliently supported, the
report shall specify if the mounting system installation needs to be reworked in order for it to
comply with specified requirements.
3.3.20 The report shall specify the machine name, service, and compartment number of each
machinery item that is required to be fitted with a flexible hose assembly, and a photograph or
sketch of the assembly.
3.3.21 The report shall specify the service; configuration; hose type and dash number; length of
each hose section as compared to the minimum allowable; the resilient mount (pipe hanger) type
supporting the hose assembly at the elbow; the find numbers for the hose sections, intermediate
elbow, and pipe hanger mount; and the expected load on that mount.
3.3.22 The report shall specify the actual linear sag, and the misalignment or distortion
experienced by each section of hose with comparison to the allowable values.
3.3.23 The report shall identify the angular distortion experienced by each section of hose with
comparison to the allowable values (see NAVSEA S6430-AE-TED-010).
3.3.24 The report shall specify if the weight of flexible hose installation includes the entrained
fluid and attached fittings and laggings.
3.3.25 The report shall specify each flexible exhaust bellows, intake bellows, and expansion
joint by machine that it is attached to, by find number, and by the applicable intake and exhaust
system drawing number.
3.3.26 For each flexible exhaust, intake bellows, and expansion joint, the report shall specify the
measured lateral and angular distortions experienced with comparison to the minimum allowable
out of tolerances. The report shall also specify if the bellows or expansion joint is installed in the
correct orientation when considering airflow and the internal liner, and if the convolutions are
distorted or damaged in any way. The report shall specify if any bellows or expansion joint
needs to be reworked in order for it to comply with specified requirements.
3.3.27 For each HVAC fan or fan coil assembly that is mounted resiliently, the report shall
specify if the installation is fitted with a flexible duct connection, and the actual length of that
flexible connection in comparison to the minimum allowable length. The report shall also
identify any flexible duct connection that has been damaged and any flexible duct connection
that needs to be reworked in order for it to comply with specified requirements.
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