35/2010 Coll. DECREE of 25 January 2010 amending Decree of the Czech Mining Office no. 22/1989 Coll., On occupational safety and health and safety in mining activities and the conquest of unrestricted minerals underground, as amended, and Decree no. 659/2004 Coll., on occupational safety and health and safety in mines with danger of rock bursts, as amended by Decree no. 282/2007 Coll. Czech Mining Office determined according to § 6 para. 6 point. a) Act no. 61/1988 Coll., on mining, explosives and the State Mining Authority: PART ONE Amendments to the decree on occupational safety and health and safety in mining activities and the conquest of unrestricted minerals underground Article. I Decree no. 22/1989 Coll., On occupational safety and health and safety in mining activities and the conquest of unrestricted minerals underground, as amended by Decree no. 477/1991 Coll., Decree no. 340/1992 Coll. , Decree no. 3/1994 Coll., Decree no. 54/1996 Coll., Decree no. 109/1998 Coll., Decree no. 434/2000 Coll., Decree no. 330/2002 Coll., Decree no. 141 / 2004 Sb., Decree no. 298/2005 Coll. and Decree no. 282/2007 Coll., is amended as follows: 1. In § 231a paragraph. 4, letter a) reads: "a) ground current at a single-line ground fault network which supplies mobile machines in excavation and Ruban not exceed 7 A". 2. In § 231a paragraph. 4 at the end of the paragraph is replaced by a comma and letter d), which reads: "d) power switch, the cable outlet is powered by electrical equipment located on the premises of SNM, was equipped with blocking turned on at the outlet insulation resistance at the outlet of less than 50 IO / V. ". 3. In § 231D, paragraph 1 shall be deleted. Paragraphs 2 and 3 shall become paragraphs 1 and 2. 4. In § 242 paragraph. 2, second sentence, the words "paragraph. 5 "the words" point. b) ". PART TWO Amendments to the decree on occupational safety and health and safety in mines with danger of rock bursts Art. II in § 15 of Decree no. 659/2004 Coll., On occupational safety and health and safety in mines with danger of rock bursts, as amended by Decree no. 282/2007 Coll., Paragraph 3 reads: "(3) Cable distribution above 1 kV in mines included in the 2nd or 3rd degree risk of shocks must be equipped with automatic switch off electricity when a) shock, or b) exceeding the permissible concentration of methane in the mine air. The shutdown must occur within two seconds of exceeding the set limit any sensor located in those parts. Placement of sensors and automatic switch-off areas will determine the race of the mine. The organization is indicated in the emergency plan. ". PART THREE Article. III Transitional Provisions 1. The requirement in § 231a paragraph. 4 point. d) Decree no. 22/1989 Coll., on occupational safety and health and safety in mining activities and the conquest of unrestricted minerals underground, as amended, effective from the effective date of Decree no. 35/2010 Coll., it is necessary to fill a) new and refurbished circuit breakers listed first put into service after the effective date of this Order, until 30 June 2010; b) for circuit breakers, re-installed after the effective date of this Order, until 30 June 2011, c) for other power switches until 30 June 2012. 2. The requirements set out in § 15 para. 3 of Decree no. 659/2004 Coll., on occupational safety and health and safety in mines with danger of rock bursts, which are effective from the effective date of the Decree no. 35/2010 Coll., to be filled by 31 December 2010. PART FOUR EFFECT Art. IV This Decree shall enter into force on 1 March 2010. The Chairman Ing. Pěgřímek vr