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(8) Concentric neutral cable
(9) Heating (steam) distribution systems Cherry Point uses primarily an
Impressed Current System.
(10) Other buried/submerged metallic structures not covered above
d. CP surveys and designs must be performed by a registered corrosion engineer or
National Association of Corrosion Engineers (NACE) certified corrosion or CP specialist
with at least five years experience in the type of CP system being designed. The
consultant's qualifications shall be verified.
e. Designs for CP must comply with the following:
(1) MIL-HDBK 1004/10, Electrical Engineering, Cathodic Protection
(2) CP systems must be designed to provide protective potentials that meet the
requirements of applicable NACE recommended practices (i.e., RP01 -69, RP02-85,
RP03-88, etc.)
(3) All CP designs must be based on specific field tests made at the proposed
construction site. Tests would include soil resistance (Wenner Four Pin method), w ater
corrosiveness (pH), structure-to-electrolyte (S/E), and potential measurements (on
existing structures or test specimens). Results of field -testing will be provided with
design submission.
(4) Designs must include test stations, electrolyte access points and/or reference
electrodes required for routine operation, maintenance and potential surveying of the CP
(5) Specifications will provide procedures for recommended acceptance testing
including static (native) potentials, initial and fi nal system potentials, and interference
(6) Air Force designs will also comply with the current Air Force CP Engineering
Technical Letter (ETL).
4.5.10 FENCING. State type, height, and justification for fencing.
a. State general soil conditions, outline the soil exploration and testing performed or
to be performed, and such results thereof as may be available.


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