The apparent silence of this chapter and Chapters 151 and 152 as to any detail concerning the method of performing any of the work described herein or any of the materials or appliances to be used in connection with the work shall be regarded as meaning only the best general practice is to prevail and that all materials and workmanship are to be of the best type and character which shall provide the best final result in said work. In any cases where this Code omits specific reference to any work or materials which may in fairness be implied, the permittee shall perform such work and furnish such materials and appliances that the work will be complete according to good practice and in the best interest of the public.
(`89 Code, § 22.120)