10.4 Holiday Detectiona. Each coated pipe length shall be checked over 100% of coated surface by means of a “holiday detector” of a type approved by COMPANY for detecting holidays in the finished coating.b. The holiday detector shall be a low pulse DC full circle electronic detector with audible alarm and precise voltage control with DIN VDE 0433 Part 2. The set voltage for inspection shall be 25 kV. Travel speed shall not exceed 300 mm/s.c. CONTRACTOR shall calibrate the holiday detector at least once every 4 hours of production. CONTRACTOR shall have necessary instruments or devices for calibrating the holiday detector.d. Any pipe coating shall be rejected if more than 1(one) holiday & area more than 100 cm2 in size are detected in its length attributable to coating process.e. Holidays which are lesser in number and size than those mentioned in (d) above, shall be repaired in accordance with a approved procedure and shall be to CONTRACTOR’s expense.