(a) The practice of engineering, land surveying or geology by any person who acts under the supervision of a professional engineer, professional land surveyor or geologist, respectively, or by an employe of a person lawfully engaged in the practice of engineering, land surveying or geology and who, in either event, does not assume responsible charge of design or supervisions;

(b) The practice of engineering, land surveying or geology, not exceeding thirty days in the aggregate in one calendar year, by a nonresident not having a place of business in this Commonwealth, if such person is legally qualified to engage in the practice of engineering, land surveying or geology in the state or territory of his residence: Provided, That standards of such state or territory are at least equal to the standards of this Commonwealth;

(c) The practice of engineering, land surveying or geology by officers and employes of the United States Government for the said government;

(d) Except as otherwise provided in subsection (g) of this section, the practice of engineering or land surveying by a regular employe of a public utility company, as defined by the Public Utility Code (66 Pa.C.S. § 101 et seq.) in connection with the facilities of such public utility, which are subject to regulation by the Pennsylvania Public Utility Commission: Provided, That such public utility shall employ at least one professional engineer, as defined in this act, who shall be in responsible charge of such utility's engineering work and shall employ at least one professional land surveyor, as defined in this act, who shall be in responsible charge of such utility's land surveying;

(e) The practice of architecture by a duly registered architect, and the doing of such engineering work as is incidental to his architectural work;

(f) The practice of engineering, land surveying or geology by any person or by any employe of any copartnership, association or corporation upon property owned by such person or such copartnership, association or corporation, unless such practice affects the public safety or health or the property of some other person or entity.

(g) The practice of engineering, land surveying or geology work by a manufacturing, mining, communications common carrier, research and development or other industrial corporation or by employes of such corporation, provided such work is in connection with or incidental to products of, or non-engineering services rendered by, such corporation or its affiliates.

(h) The running of lines or grades and layout work on or within established property limits, or from established points outside the property limits to or within such property limits when performed by a contractor or home builder in conjunction with the construction, reconstruction, alteration, maintenance or demolition of a structure or other facility.

(i) The writing of deed descriptions.

(j) The preparation of shop drawings or the performance of construction management services by persons customarily engaged in construction work.

(k) The practice of individuals providing geologic services to businesses engaged in the exploration or development of gas or oil.