ORD 0558 - Laserfiche WebLink

CITY COUNCIL OF THE CITY OF PLEASANTON ALAMEDA COUNTY, CALIFORNIA ORDINANCE NO. 558 AMENDING ORDINANCE NO. 477 (NATIONAL ELECTRICAL CODE) BY PROVIDING A DIFFERENT GROUNDING SYSTEM FOR RESIDENTIAL OCCUPANCIES THE CITY COUNCIL OF THE CITY OF PLEASANTON DOES HEREBY ORDAIN AS FOLLOWS: Paragraph "b", of Section 2, o~f Ordinance 477 is hereby amended by the addition thereto of the following: "a. Section 250-81 of the adopted National Electrical Code is hereby amended to read as follows: In all new installations, the grounding electrode shall consist of two (2) reinforcing bars 1/2-inch in diameter and 20 feet long, or approved equal, embedded in the concrete building foundation. Such bars shall extend in opposite directions from the electrical service equipment and shall have a minimum 3-inch clearance from sides and bottom of the founda- tion. One end of each bar shall be bent 90° and shall project vertically from the foundation to a minimum of 6 inches above mud sill at the service location for connection to the grounding conductor. The verti. cal sections of the two bars shall be bonded together mechanically within the area of the concrete. The connection of the grounding conductor to the electrod, shall be made with an approved ground clamp installed within a readily accessible junction box. The water piping in the building shall be bonded to the elec- trode within the junction box." "b. Section 250-82 of the adopted National Electrical Code is hereby deleted." II. This Ordinance shall be published once in "THE TIMES", a newspaper of general circulation, published within the City of Pleasanton, and shall become effective thirty days after the date of adoption. INTRODUCED AT A REGULAR MEETING OF THE CITY COUNCIL OF THE CITY OF PLEASANTON ON MAY 26 , 1969.