REQUIREMENTS FOR ELECTRICAL ENGINEER'S SEAL ON DRAWINGS
R4-30-302. Electrical engineering
A. A registrant shall prepare and submit drawings and specifications for a new electrical system or an addition or modification to an existing electrical system provided the service and associated electrical feeders exceeds 600 amperes 120/240 volts, single phase or 225 amperes 120/208 volts, three phase and the fault current exceeds 10,000 amperes
B. In all cases a registrant shall design:
1. Electrical installations in hospitals or other buildings with surgical operating rooms regulated by Article 517 of the National Electrical code (1990 edition) incorporated herein by reference and on file with the Office of the Secretary of State.
2. Electrical installations in locations classified as hazardous in Article 500 of the National Electrical Code (1990 edition) incorporated herein by reference and on file with the Office of the Secretary of State.
3. Electrical installations in locations classified as hazardous in Article 500 of the National Electrical Code (1990 edition) with the exception of gasoline dispensing or repair garages.
4. A registrant shall design an alarm or signaling system that is required for life safety or code compliance.
New Mexico Requirements:
[Comment - These are not the only requirements for when an engineering stamp is required. There are additional requirements in the Electrical Code, UBC, and ENGINEERING AND SURVEYING PRACTICE ACT. In addition to the requirements below, an electrical engineering stamp is required on public works projects, hazardous materials facilities and buildings when an Architects stamp is required and the electrical work is non-trivial.]
New Mexico Administrative Code
TITLE 14: Housing and Construction
CHAPTER 5: Construction Industries General Provisions
PART 2; PERMITS
22.214.171.124 SUBMITTAL DOCUMENTS:
K. Electrical projects.
(1) Any installation with a calculated service capacity over 100 kVA single-phase or over 225 kVA three phase must be stamped by an electrical engineer, registered in accordance with the New Mexico Engineering and Surveying Practice Act. This requirement shall not apply to remote installations such as irrigation pumps. Any commercial project that requires an architect or engineer seal pursuant to this part, shall be submitted to the electrical bureau for review and approval.
(2) Submittal documents shall show the electrical riser, conductor size, grounding conductor size, method of grounding (available electrodes, etc.), load calculations, available fault calculations, size and location of disconnects, panel schedules, wiring methods, site and floor plan. General expressions such as "work shall be done in accordance with the New Mexico Electrical Code" or "work shall be done to the satisfaction of the state building official" shall be considered inadequate, and incomplete.
(3) No permit for electrical work shall be issued for the addition to, or alteration of, wiring of an existing building unless the building as it will be wired conforms to the requirements of the code for new buildings, except that those portions of the existing wiring that have not been disturbed and are deemed safe by the inspector may remain in service.
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DeLapp Engineering ï¿½
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1190 Harrison Rd Suite 3a
Santa Fe NM 87507
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