S.D. Admin. R. 24:06:07:04

Current through Register Vol. 51, page 67, December 16, 2024

Section 24:06:07:04 - Heating and air conditioning systems

Heaters must be provided in a school bus, air conditioning systems may be installed in accordance with the section entitled "Heating and Air Conditioning Systems" on pages 44 to 48 of the National School Transportation Specifications & Procedures, 2015 Edition. In addition, the following standards apply to school buses as defined in "School Bus Types" on pages 332 to 333 of the National School Transportation Specifications & Procedures, 2015 Edition:

(1) The minimum installation for a Type A bus is one front fresh air heater, utilizing the manufacturer's standard heater with a defroster core and a driver's deflector, and one or more rear recirculating underseat heaters with a minimum of 38,000 BTUs;

(2) The minimum installation for Type B and C buses is one left front fresh air heater with a defroster core and a driver's deflector with a minimum of 80,000 BTUs, one right cowl recirculating heater with a minimum of 50,000 BTUs. The minimum installation for a type D bus is one front fresh air heater with a defroster core and minimum of 80,000 BTUs, plus a drivers underseat heater with a minimum of 14,000 BTUs, and rear heaters for type B, C, and D buses are as follows:

(a) Buses with a capacity of less than 59 passengers must have a rear underseat recirculating heater with a minimum of 75,000 BTUs;

(b) Buses with a capacity of 59 passengers or more must have two rear underseat recirculating heaters or a combination of one midship and one rear, each having a minimum of 75,000 BTUs.

S.D. Admin. R. 24:06:07:04

22 SDR 61, effective 11/9/1995; 30 SDR 181, effective 5/20/2004; 33 SDR 152, effective 4/5/2007; 38 SDR 58, effective 10/17/2011; 44 SDR 43, effective 9/13/2017

General Authority: SDCL 13-29-2, 13-29-6.

Law Implemented: SDCL 13-29-2, 13-29-6.

Reference "School Bus Types," on pages 332 to 333 and "Heating and Air Conditioning Systems," pages, 44 to 48 National School Transportation Specifications & Procedures, 2015 Edition. Copies may be obtained from www.ncstonline.org. Cost: $55.