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1 CCR 301-25 Colorado State Board of Education Department of

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1. 94 02 94 03 94 04 94 05 on bus Each door panel shall open outward and positive fastening device shall be installed to hold door in open position Door panels shall be constructed to be equivalent in strength and materials to other school bus doors When ramps are used door panels shall extend below floor line to cover container opening Door posts and headers shall be reinforced sufficiently to provide support and strength equivalent to areas of side of bus not used for service doors Outriggers from chassis shall be installed at front and rear of door opening to support floor with same strength as other floor portions Ramp If ramp is used it shall be of sufficient strength and rigidity to support wheel chair electric or other occupant and attendant It shall be equipped with protective flange on each longitudinal side to keep wheelchair on ramp Floor of ramp shall be covered with non skid material Ramp shall be of weight equipped with handle or handles to permit one person to put ramp in place and to return it to storage place Provisions shall be made to secure ramp to side of bus for use without danger of detachment and ramp shall be connected to bus at floor level in such manner s to permit easy access of wheels of wheelchair to floor of bus Ramp shall be at least 80 inches in length Dustproof and waterproof enclosed container shall be provided if ramp is stored under floor Power Lift If power
2. Steps First step at service door shall be not less than 10 inches 12 inch for Type D and not more than 14 inches 16 inches for Type D from ground based on standard chassis 1 CCR 301 25 75 02 75 03 75 04 75 05 75 06 2251 R 76 00 76 01 2251 R 77 00 77 01 77 02 77 03 77 04 77 05 77 06 77 07 specifications Service door entrance may be equipped with two step or three step stepwell Riser in each case shall be approximately equal however with plywood floor on steel differential may be increased by thickness of plywood used Type A school buses are exempt Steps shall be enclosed to prevent accumulation of ice and snow Steps shall not protrude beyond side body line An assist grab rail not less than 20 inches in length designed to provide maximum loading assistance shall be provided in an unobstructed location inside doorway Surface of steps shall be of non skid material Stirrup Steps There shall be a least one folding stirrup step or recessed foothold and suitably located handles on each side of the front of the body for easy accessibility for cleaning the windshield and lamps except when windshield and lamps are easily accessible from the ground Steps are permitted in or on the front bumper in lieu of the stirrup steps if the windshield and lamps are easily accessible for cleaning from that position Stop Signal Arm The stop signal arm shall be a flat 18 inch octagon ex
3. assemblies at the rear of the vehicle Double lamp assemblies shall display one amber lamp and one red lamp Right and left lamps shall flash alternately Each lamp shall flash not less than 60 nor more than 120 flashes per minute Flashing warning lamps are to have a signal area of not less than 28 square inches per lens There shall not be lettering except manufacturer s markings on the lens The lamps shall give a distinct warning illumination of entire lens area when lighted for a distance of 500 feet when the bus is in bright sunlight The amber flashing warning signal lamps shall be energized manually by a switch mounted on the driver control panel The red flashing warning signal lamps shall be energized as set forth by FMVSS The lamp units and switch systems shall also comply with the above standard The flashing warning signal lamp system shall be a sequential mode type The flashing warning signal lamp system shall have two pilot or indicator lights one shall show amber light when the amber signal lamps are flashing and the other shall show red light when the red signal lamps are flashing 1 CCR 301 25 67 08 67 09 2251 R 68 00 68 01 68 02 67 07 f The red lamps shall be mounted on the outer side of the amber lamps in the front and rear assemblies Each signal lamp shall be mounted with its axis substantially parallel to the longitudinal axis of the vehicle The front and rear warning signal lamp assemblies sha
4. extending from the left lower corner of the school bus lettering across to left side of the bus then vertically down to the top of the bumper across the bus on a line immediately above the bumper to the right side then vertically up to a point even with the strip placement on the left side and concluding with a horizontal strip terminating at the right lower corner of the school bus lettering 54 02 c School Bus signs may be marked with reflective National School Bus Yellow material comprising background for lettering of the front and or rear school bus signs 54 02 d Sides of bus body may be marked with reflective National School Bus Yellow material not to exceed 12 in width extending the length of the bus body and located vertically as close as practicable to the beltline Construction All bus body construction components shall be of prime commercial quality mill applied zinc coated steel or material of at least equivalent strength Such items shall include structural members inside panels floor panels and joints All metal surfaces that will be painted shall be in addition to above requirements chemically cleaned etched zinc phosphate coated and zinc chromate or epoxy primed or conditioned by equivalent process In providing for these requirements particular attention shall be given to lapped surfaces welded connections of structural members cut edges punched or drilled hole areas in sheet metal closed or
5. Assembly All school bus chassis in all passenger capacities shall be equipped with heavy duty truck type integral power steering Power steering components shall be compatible with the GVW rating for each capacity as shown in chassis manufacturer s literature No changes shall be made in steering apparatus which are not approved and guaranteed by chassis manufacturer 1 CCR 301 25 33 03 33 04 2251 R 34 00 34 01 34 02 34 03 2251 R 35 00 35 01 2251 R 36 00 36 01 2251 R 37 00 37 01 2251 R 38 00 38 01 38 02 There shall be a clearance of at least two inches between steering wheel and any other surface or control Chassis manufacturers shall provide and cover steering wheel column with a temporary plastic covering or equivalent in order to provide protection from precipitation from time of manufacture until body is mounted Tires and Rims Minimum tire and rim sizes shall be in accordance with FMVSS 120 Dual rear tires shall be provided on Type B C and D school buses All wheels shall be one piece disc type Split or multi piece rims are not acceptable Tow Hooks Two heavy duty tow hooks or two eyes on Type D buses shall be furnished and factory installed except on Type A and B buses Hooks shall not extend beyond the front bumper on any school bus Transmission Manual type transmission shall be synchromesh for forward gear ratios 2nd and above Undercoating Chassis manufacturer sh
6. Deflection Curves A diagonal racking load test shall be performed on Type A B C D school buses to assure adequate shear stiffness and strength of the bus body Details of the test are provided below A two cycle loading sequence shall be conducted following the procedure described in Section 55 04 55 05 a Requirements When a force equal to 1 1 2 times the GVW is applied to the edge of the roof of the vehicle s body structure through a force application plate as specified in b Test Procedures 55 05 a 1 The diagonal movement of the force at any point on the application plate shall not exceed 5 1 8 inches and 55 05 a 2 Each emergency exit of the vehicle provided in accordance with FMVSS 217 shall be capable of operation as specified in that standard during the full application of the force and after release of the force 55 05 b Test Procedures Each vehicle shall be capable of meeting the requirements of 1 and 2 when tested in accordance with the procedures set forth below 1 CCR 301 25 55 05 b 1 The vehicle shall be supported on a rigid surface along the lower edge of the frame or along the body sills in the absence of a frame 55 05 b 2 The load shall be applied through a force application plate that is flat and rigid The dimensions of the plate shall be chosen to assure that the plate edges never make contact with the vehicle skin during testing A typical width is 18 inches and a typical length is 2
7. box sections unvented or undrained areas and surfaces subject to abrasion during vehicle operation The floor shall be at least 14 gauge mill applied zinc coated steel sheet and shall be on one plane There shall be a main floor cross member of at least 10 gauge steel or equivalent placed at each side post extending the full width of the floor plate and permanently attached There shall be a minimum of two intermediate floor cross members of at least 16 gauge steel equally between the main floor cross members and permanently attached 1 CCR 301 25 55 04 55 05 In addition to complying with the test procedures described in FMVSS 220 the body manufacturers shall record and report the downward vertical movement of the force at 0 25 50 75 and 100 of the maximum force both loading and unloading The expected force deflection curve is illustrated schematically in Figure 1a Low load nonlinearities may indicate joint conformation high load nonlinearities may indicate yielding instructural members 55 04 a A second load cycle shall be performed following the procedure given in the first paragraph The expected force deflection curve is illustrated schematically in Figure 1b Any hysteresis following the initial shakedown will be revealed by this second cycle gt P Faas Fax 1 00 1 00 0 50 0 50 i 0 25 0 25 l dmax 0 00 a 000 1 0 dmax Ae a First Cycle b Second Cycle a First Cycle b Second Cycle Figure 1 Static Load Test Load
8. driver s compartment in full view of and readily accessible to the driver A pressure gauge shall be so mounted on the extinguisher as to be easily read 1 CCR 301 25 59 03 59 04 2251 R 60 00 60 01 60 02 60 03 60 04 without removing the extinguisher from its mounted position First Aid Kit s The bus and small vehicle shall carry a first aid kit or kits which shall either be mounted securely in full view or the location plainly indicated by appropriate markings in the drivers compartment The kit s shall be mounted in such a manner that they can be removed if necessary Small vehicles and buses with a manufacturer s rated seating capacity of 36 or less shall be equipped with one 24 unit kit Buses rated more than 36 capacity shall be equipped with two 24 unit kits Contents of the 24 unit First Aid Kit Item Unit s Adhesive Tapn uni meriiri i en a E EAA E cadet deeders E EA E EA 1 TP adhesive bandage a 2546 scsi ia ena nese ee Gees 2 2 Dandage COM Press ereere tee o e E E eT ee aaas 1 3 bandage Compres Snie eruo enren Er a nia ae oo ea eS Eana oat iS ESE aE E EEEE ESA 1 A bandage COMpreSS iien depen Suave ea a A a aa aes 1 3 X3 plain gauze Pads cectecieivisecseessees dacs seei aee ee E a ESE Ee NOAE EEEE a Eai 1 Gauze roller bandage 2 Wide cremesin eenean k tietie rerien r a a aE e e 2 Plain absorbent gauze 1 2 square yard essseeeessereesesreessrrissersssreerrsresresrrsserrreseesrssreee 4 Plain ab
9. front wheels Small vehicle shall be a motor vehicle with motive power which does not meet the requirements of a Type A B C or D school bus and which shall not transport more than the manufacturer s designated capacity These vehicles shall meet or exceed FMVSS and sections 59 01 a 59 03 and 59 04 of these rules which at any time would be used to carry school children students and school personnel provided that such transportation service is sponsored and approved by the local board of education or school governing agency The preceding definition is not intended to include private motor vehicles used exclusively to carry members of the owner s household Activity bus shall be a motor vehicle with motive power designed for carrying passengers meeting or exceeding the Colorado Minimum Standards Governing School Transportation Vehicles except Sections 2251 R 16 00 Color Chassis 53 00 Capacity 54 00 Color body 77 00 Stop Arm Signal And the following Subsections 2251 R 63 01 SCHOOL BUS Identification 63 02 School name 63 04 Vehicle numbering 63 06 STOP ON FLASHING RED Lettering 67 07 a g School bus alternating flashing warning signal lamps 74 01 Seating design and construction 74 05 Seating material The activity bus shall be used to carry school children students and school personnel 1 CCR 301 25 2251 R 6 00 6 01 6 02 6 03 6 04 2251 R 7 00 7 01 exclusively to and from school related activities o
10. lines 1 CCR 301 25 2251 R 14 00 14 01 14 02 14 03 14 04 14 05 14 06 2251 R 15 00 15 01 2251 R 16 00 16 01 16 02 16 03 16 04 2251 R 17 00 17 01 13 03 d Control requirements Control valve of the parking brake system shall be designed and constructed to conform with the following 13 03 d 1 The parking brake control valve shall be visible to the driver and shall be mounted on the dash panel within 15 inches to the right of the steering column Bumper Front Front bumper on all Type A B and C school buses shall be furnished by the chassis manufacturer Front bumper of Type D school buses shall be furnished by the body manufacturer Front bumper shall be at least 3 16 inch thick of pressed steel channel one piece construction or optional 3 piece breakaway construction and a minimum of eight inches wide high Front bumper shall be of extended design to offer maximum protection of fender lines without permitting snagging or hooking Front bumper shall be attached to the frame and extend forward of grille head lamps fender or hood sections to provide maximum protection Front bumper shall be of sufficient strength to permit pushing of vehicle of equal weight without permanent distortion to bumper chassis or body Clutch Clutch torque capacity shall be commensurate with or greater than the maximum rated engine torque output Color Chassis Frame and bumper shall be
11. manufacturer has issued notarized certification of compliance to bus body builder that compound meets or exceeds all performance requirements of Fed Spec using modified test procedures for following requirements 82 01 a Salt spray resistance pass test modified to 5 percent salt and 1 000 hours 82 01 b Abrasion resistance pass 82 01 c Fire resistance pass Test panels are to be prepared in accordance with paragraph 4 6 12 of Fed Spec with modified procedure requiring that tests be made on a 48 hour air cured film at thickness recommended by compound manufacturer Undercoating compound shall be applied with suitable airless or conventional spray equipment to recommended film thickness and shall show no evidence of voids in cured film 1 CCR 301 25 2251 R 83 00 83 01 2251 R 84 00 84 01 84 02 84 03 84 04 84 05 84 06 2251 R 85 00 85 01 85 02 85 03 85 04 85 05 2251 R 86 00 86 01 2251 R 87 00 Ventilation Buses except Type A buses shall be equipped with a two speed powered exhaust roof ventilator mounted approximately two thirds of the way back of the front roof header Two roof hatches may be used in lieu of ventilator Wheel Housings Wheel house openings shall be of full open type Wheel housings shall be designed to support seat and passenger loads and shall be attached to floor sheets in such manner as to prevent any dust water or fumes from entering the bod
12. to close opening between the top of the rear bumper and body metal Capacity Capacities and seat spacing shall conform to and be in full compliance with applicable FMVSS Color All exterior metal shall be painted National School Bus Yellow as specified in NSSB with the exception of those areas listed below 54 01 a Lettering and numbering black white or yellow for bumper area 54 01 b Bumpers black 54 01 c Rubrails may be black or yellow at purchaser option 54 01 d Background area for warning light system black 1 CCR 301 25 54 02 2251 R 55 00 55 01 55 02 55 03 54 01 e The roof of the bus may be painted white not to extend below the drip rails on the sides of the body except that front and rear roof caps shall remain National School Bus Yellow Reflective material may be installed on the bus Material if used shall be automotive engineering grade or better meeting initial reflectance values in FHWA FP 85 and retaining at least 50 of those values for a minimum of six years Reflective materials and markings if used shall include any or all of the following 54 02 a Front and or rear bumper may be marked diagonally 45 degrees down to centerline of pavement with 2 inch wide strips of non contrasting reflective material 54 02 b Rear of bus body may be marked with a strip of reflective National School Bus Yellow material not to exceed 12 inches width to be applied to the back of the bus
13. 0 inches less that the length of the vehicle s roof measured along its longitudinal centerline 55 05 b 3 Place the force application plate in contact with the edge of the vehicle roof Orient the plate so that its flat rigid surface is perpendicular to a diagonal line connecting the most distant points on an interior cross section of the vehicle The rear edge of the plate shall be positioned approximately 20 inches from the rear edge of the vehicle roof A temporary stand may be used to support the plate until a force is applied 55 05 b 4 Apply an evenly distributed force in a diagonally downward direction through the force application plate at any rate not more than 0 5 inch per second until a force of 500 pounds has been applied 55 05 b 5 Apply additional force in a diagonally downward direction through the force application plate at a rate of not more than 0 5 inch per second until the force specified in a has been applied and maintain this application of force 55 05 b 6 Measure the diagonal movement of any point on the force application plate which occurred during the application of force in accordance with 5 and open the emergency exits as specified in a 2 55 05 b 7 Release all diagonal force applied through the force application plate and operate the emergency exits as specified in a 2 55 05 c Test Conditions The following conditions apply to the requirements specified in 4 55 05 c 1 Tempera
14. 01 25 2251 R 27 00 27 01 2251 R 28 00 28 01 2251 R 29 00 29 01 2251 R 30 00 30 01 2251 R 31 00 31 01 31 02 31 03 2251 R 32 00 32 01 32 02 2251 R 33 00 33 01 33 02 Lamps and Signals All lamps and their installation shall conform to current standards and recommended practices of applicable SAE and FMVSS standards Openings All openings made by chassis manufacturer in floorboard and fire wall shall be sealed by the chassis manufacturer to prevent gases from entering driver s compartment Boot for the accelerator pedal gear shift and parking brake when required shall be supplied by the chassis manufacturer Overall Length Overall length of bus shall not exceed 40 feet Section 42 4 404 2 C R S Power or Gradeability The gross vehicle weight of any school bus shall not exceed 165 pounds per certified net horsepower of the engine at manufacturer s recommended maximum revolutions per minute RPM Retarder optional Rule Number Reserved School buses equipped with electro magnetic retarder s shall have increased electrical system capacity commensurate with the needs of the retarder system Pilot lights shall indicate when retarder is in operation Springs Capacity of suspension assemblies shall be commensurate with chassis manufacturer s gross vehicle weight rating If leaf type rear springs are used they shall be of progressive type Steering Gear
15. 1 2251 R 82 00 82 01 82 02 82 03 The control mechanism must be mounted so the driver will remain in normal driving position while operating the stop signal arm Storage Compartment A metal container of adequate strength and capacity for the storage of tire chains tow chains and such tools as may be necessary for minor emergency repairs while bus is enroute may be provided Such storage container may be located either inside or outside the passenger compartment but if inside it shall have cover other than seat cushion which shall be securely fastened to it in such a manner as to prevent the contents from spilling in case the bus overturns Sun Shield An interior transparent adjustable double bracketed sun visor shall be installed not less than 6 inches wide and 30 inches long Type A and B school buses shall have a sun visor commensurate with appropriate GVW requirements Tail Pipe Tail pipe shall not extend beyond rear bumper after the body is attached to the chassis and shall also comply with Section 20 subsections 20 01 through 20 06 of these rules Tow Hooks The school bus shall be equipped with two heavy duty tow hooks or eyes fastened securely to the rear of the frame and shall not protrude beyond outer edge of the bumper Undercoating Entire underside of bus body including floor sections cross members and below floor line side panels shall be coated with rust proofing compound for which compound
16. 1 CCR 301 25 Colorado State Board of Education Department of Education 1 Colorado Code of Regulations 301 25 Adopted 11 21 72 with numerous subsequent amendments temporary regulation amendments 2 16 78 and 5 10 78 repealed and readopted 1 4 79 amended 8 9 79 10 4 79 1 10 80 3 13 80 4 10 80 10 9 80 8 12 82 9 13 84 7 9 87 amended 7 14 88 6 10 93 Attorney General Opinions 2 23 78 1 15 79 7 17 87 7 25 88 6 17 93 Statutory Authority 22 51 108 22 2 107 1 c and 42 4 613 1 2 3 C R S COLORADO MINIMUM STANDARDS GOVERNING SCHOOL TRANSPORTATION VEHICLES 2251 R 1 00 Statement of Basis and Purpose The statutory authority for the Amendments of 2251 R 2 00 through 107 00 the Colorado Minimum Standards Governing School Transportation Vehicles hereinafter these rules adopted by the State Board of Education on June 10 1993 is found in sections 22 51 108 and 42 4 613 1 2 3 C R S The purpose of this Amendment is to establish minimum standards for school transportation vehicles purchased for use in Colorado These standards are necessary to improve the safety of the children riding the buses and the mechanical efficiency of the bus The new standards meet or exceed the national recommended minimum standards and utilize state of the art industry advances 2251 R 2 00 FMVSS Federal Motor Vehicle Safety Standards 49 C F R Part 571 Revision 1986 National Highway Traffic Safety Administration U S Departm
17. C R S Overall Width Overall width of the school bus shall not exceed 96 inches except under the provisions of Sections 42 4 402 1 and 5 C R S Rub Rails There shall be one rub rail located on each side of bus approximately at seat level which shall extend from rear side of entrance door completely around bus body except for emergency and or access door to point of curvature near outside cowl on left side On Type A school buses the left and right rub rails may stop at the radii of the right and left rear corners There shall be one rub rail located approximately at floor line which shall cover same longitudinal areas as upper rub rail except at wheel housing and shall extend at least to radii of right and left rear corners 1 CCR 301 25 72 03 72 04 72 05 72 06 2251 R 73 00 73 01 2251 R 74 00 74 01 74 02 74 03 74 04 74 05 74 06 74 07 74 08 2251 R 75 00 75 01 There shall be one rub rail located on each side of bus at the bottom of the side skirts or a side skirt stiffener of equivalent strength Rub rails shall be attached at each body post and all other upright structural members Rub rails shall be 4 inches or more in width shall be of 16 gauge steel or suitable material of equivalent strength and shall be constructed in corrugated or ribbed fashion and shall be self draining Rub rails shall be applied outside body panels Pressed in or snap on rub rails do not satisfy th
18. Cove molding shall be used along the side walls and rear corners and all floor seam 1 CCR 301 25 60 05 60 06 2251 R 61 00 61 01 2251 R 62 00 62 01 62 02 62 03 62 04 62 05 62 06 62 07 separations shall be covered with durable metal stripping The entrance step treads including the edge at floor level shall be of the same quality as the aisle material Step treads shall have an integral white nosing of 1 1 2 inch or more or use diagonal stripes Treads shall be permanently bonded to the metal steps and sealed to prevent water from getting underneath the step tread A secured and insulated plate shall be provided to access fuel tank sending unit Type A buses are exempt Fuel Fill Cap Cover The fuel fill cap opening in the body skirt shall be equipped with a hinged cover held closed by a spring or other conveniently operated device Type A vehicles are exempt Heating System All school buses shall be equipped with two or more hot water heaters capable of delivering water to the system at a rate of six gallons per minute using an ambient temperature of 0 degree F to 10 degrees F and maintaining passenger compartment temperature of 50 degrees F One of the heaters shall be located in the rear half of the bus on or behind the rear wheel axle line 62 01 a Lift equipped buses may place the rear heater under the last row of seats Buses shall be equipped with front heater s and integrated defroster sy
19. a safety device to keep tray from sliding completely out to prevent battery from being dropped Battery compartment shall be labeled with the word Battery Bumper Rear Rear bumper shall be of pressed steel channel or equivalent material at least 3 16 inch thick and shall be a minimum of 8 inches wide high on Type A buses and shall be a minimum of 9 1 2 wide high on Type B C and D buses and of sufficient strength to permit being pushed by another vehicle without permanent distortion Rear bumper shall be wrapped around back corners of bus and extend forward at least 12 inches from rear most point of body at floor line Bumper shall be fastened to chassis frame side rails in such a manner as to develop full strength of bumper section from rear or side impact Bracing materials shall have an impact ratio comparable to that of bumper material and shall be fastened at the ends and radii of the bumper attached to the side of the frame only and not to body at any point Rear bumper shall extend beyond rear most part of body surface at least one inch measured at floor lines No spaces projections or cut outs that will permit a hand hold or foot hold shall be permitted Front ends of the bumper shall be enclosed by end caps or other protective metal or shall have the ends rounded or tucked in and shall be free from sharp edges or projections likely to cause injury or snagging A gasket rubber or equivalent shall be installed
20. ake lamps 67 02 a Bus shall be equipped with four combination red stop tail lamps Two combination stop lamps shall have a lens diameter of at least 7 inches or 38 48 square inches and shall have light intensity at least equal to Class A Type I turn signal units as established by SAE Two combination tail lamps shall have a lens diameter of at least 4 inches 67 02 b If the bus is equipped with a retarder the four stop lamps shall be illuminated when the retarder is activated 67 02 c There shall not be lettering symbols or arrows except manufacturer s markings on the lens License plate lamp Bus shall be equipped with rear license plate illuminator This lamp may be combined with one of the tail lamps Interior lamps Interior lamps shall be provided which adequately illuminate aisle A separate lamp shall be provided in stepwell Back up lamps Back up lamps of 7 inch or 38 48 square inches minimum diameter shall be provided Turn signal lamps 67 06 a The bus shall be equipped with two amber turn signals in front and two amber turn signals in the rear Both front and rear signals shall be at least 7 inches in diameter and meet the specifications of SAE 67 06 b There shall not be lettering symbols or arrows except manufacturer s markings on the lens 1 CCR 301 25 67 07 67 06 c 67 06 d 67 06 e The four way hazard switch shall activate the turn signal lamps only This operation shall be in
21. all coat undersides of steel or metallic front fenders with rust proofing compound for which compound manufacturer has issued notarized certification of compliance to chassis builder that compound meets or exceeds all performance and qualitative requirements of Fed Spec using modified test Wiring General all wiring shall conform to current applicable recommended practices of SAE 38 01 a All wiring shall use a standard color and number coding and each chassis shall be delivered with a wiring diagram that coincides with the wiring of the chassis Chassis manufacturer shall install a readily accessible terminal strip or plug on the body side of the cowl or at an accessible location in the engine compartment of vehicles designed without a cowl that shall contain the following terminals for the body connections 1 main 100 amp body circuit 2 tail lamps 3 right turn signal 4 left turn signal 5 6 stop lamps back up lamps 1 CCR 301 25 2251 R 39 00 2251 R 40 00 2251 R 41 00 2251 R 42 00 2251 R 43 00 2251 R 44 00 2251 R 45 00 2251 R 46 00 2251 R 47 00 2251 R 48 00 2251 R 49 00 2251 R 50 00 50 01 50 02 2251 R 51 00 51 01 51 02 7 instrument panel lights 38 02 a Factory terminal strip from chassis manufacturer on Type A bus will be acceptable Rule number reserved Rule number reserved Rule number reserved Rule number reserved Rule number reser
22. ame rail sections and are warranted for 10 years by manufacturers No holes shall be permitted in the chassis rails except those drilled at the chassis plant or authorized by the chassis manufacturer Welding to frame side rails which is necessary by design to strengthen modify or alter basic vehicle configuration shall be performed and guaranteed by the body or chassis manufacturer making the modification Fuel Tank All fuel tank specifications shall conform with FMVSS 301 and provisions outlined below 23 01 a Fueltank shall be filled and vented entirely outside the passenger compartment 23 01 b Fuel filter with replaceable element shall be installed between fuel tank and engine 23 01 c Drain plug of at least 1 4 inch diameter shall be located in the lowest level of the tank 23 01 d Engine supply line shall not be mounted below fuel tank 1 CCR 301 25 2251 R 24 00 24 01 2251 R 25 00 25 01 2251 R 26 00 26 01 26 02 23 01 e The actual draw or usable capacity shall be a minimum of 83 of the tank s rated capacity Heating System Engine design shall provide inlet and outlet holes in accessible locations for attachment of bus heating system water lines Heater outlets shall be of sufficient size to accommodate circulation of all coolant with no reduction of coolant lines Horn Bus shall be equipped with dual horns of standard make each horn capable of producing complex sound in band of audio
23. ar on the outside of the bus 63 08 a Advertising approved by the local school board may appear only on the side s of the bus in the following areas 1 The signs shall be below the seat level rub rail 2 The signs shall be at least three inches from any required lettering lamp wheelwell or reflector behind the service door or stop signal arm 3 The signs shall not extend from the body so as to allow a handhold or present a danger to pedestrians 4 The signs shall not interfere with the operation of any door window or other device 5 The signs shall not be placed on side emergency door s Inside Height Inside body height shall be 72 inches or more measured metal to metal at any point on longitudinal center line from front vertical bow to rear vertical bow Type A school buses 1 CCR 301 25 2251 R 65 00 65 01 2251 R 66 00 66 01 2251 R 67 00 67 01 67 02 67 03 67 04 67 05 67 06 shall have 62 inches or more inside height measured metal to metal Insulation Bus body shall be fully insulated in the roof including roof bows and all body panels Insulation 1 inch minimum thickness shall be of fiber glass or equal and shall be fire resistant Interior Interior of bus shall be free of all projections likely to cause injury Lamps and Signals All lamps signals reflectors and their installation shall conform to standards and recommendations of SAE and meet FMVSS Tail and stop br
24. ast 12 feet perpendicular to the side of the bus at a distance of 32 feet back from the front bumper Crossview mirror system The crossview mirror system shall provide the driver with indirect vision of an area of ground level from the front bumper forward and the entire width of the bus to a point where the driver can see by direct vision The cross view system shall also provide the driver with in direct vision of the area at ground level around the left and right front corners of the bus to include the front tires and service entrance on all types of buses to a point where it overlaps with the rear vision mirror system This system of mirrors shall be easily adjustable but be rigidly braced so as to reduce vibration Mounting Body and Chassis Chassis frame shall support rear body cross member Bus body shall be attached to chassis frame at each main floor sill except where chassis components interfere in such manner as to prevent shifting or separation of the body from the chassis under severe operating conditions Insulation material shall be placed at all contact points between body and chassis frame on Type B C and D buses and shall be so attached to the chassis frame or body that it will not move under severe operating conditions Body front shall be attached and sealed to the chassis cowl to prevent entry of moisture and gases Overall Length Overall length of school buses shall not exceed 40 feet Section 42 4 404 2
25. clusive of brackets for mounting The stop signal arm shall contain two alternately flashing red lamps one located near the top and one located near the bottom of the sign which show both to the front and to the rear The flashing red lamps shall be connected to the alternately flashing warning signal lamps master control system The arm shall meet applicable FMVSS requirements The arm shall be constructed of aluminum alloy with a minimum gauge of 080 and temper of 5052 H34 or equivalent It shall have the word STOP printed on both sides in white letters at least 6 inches high with a brush stroke of approximately 7 8 inch width on a bright red background The outer edge shall be painted white 1 2 inch wide The stop signal arm shall be reflectorized in accordance with FMVSS 131 The sign shall be mounted outside the bus on the driver side below the driver window Rubber spacers shall be installed on either the side of the bus or the stop arm so as to prevent sign from making abrasive contact with the side of the bus It shall have a driver controlled mechanism which will positively hold the sign in an extended position Wind guard shall be provided to keep sign in retracted position An additional vacuum reserve tank with a minimum capacity of 1 000 cubic inches with check valve is required for vacuum controlled arm 1 CCR 301 25 77 08 2251 R 78 00 78 01 2251 R 79 00 79 01 2251 R 80 00 80 01 2251 R 81 00 81 0
26. dependent of any other light system Type C and D buses shall have turn signal lamp s mounted with its axis substantially parallel to longitudinal axis of vehicle Rear lamps shall be mounted as near to the right and left side of bus as possible but in no case shall outer edge of lamps be more than 10 inches from outer body width line They shall be mounted below rear windows but in no case shall distance from top edge of lamp to lower edge of window exceed 10 inches Front amber lamps shall be mounted on windshield line not to exceed 5 inches On buses over 30 feet a minimum of one additional turn signal shall be mounted on each side below window behind the service door axis plane School bus alternately flashing warning signal lamps Definition School bus alternately flashing warning signal lamps mounted at the same horizontal level intended to identify vehicle as school bus and to inform other users of highway that such vehicle is stopped or about to stop on roadway to take on or discharge school children 67 07 a 67 07 b 67 07 c 67 07 d 67 07 e All school buses shall be equipped with four red warning signal lamps designed to conform to SAE standards and four amber warning signal lamps designed to conform to that standard except for color and except the candle power requirement shall be 2 1 2 times greater The school bus shall have two 2 double lamp assemblies at the front of the vehicle and two 2 double lamp
27. e door is open These lamps shall be wired to be illuminated when the main hazard lamp circuit is energized A white flashing strobe light meeting SAE standards may be installed on the roof of a school bus Amber lens may be used upon approval of local traffic regulatory authority Light shall have a single clear lens emitting light 360 degrees around its vertical axis and may not extend above the roof more than 8 inches A manual switch and a pilot light must be included to indicate when light is in operation Lamp must not be capable of activating emergency traffic control light switches Mirrors Interior mirror Interior mirror shall be either clear view laminated glass or clear view glass bonded to a backing which retains the glass in the event of breakage Mirror shall have rounded corners and protected edges Type A bus shall have a minimum of 6 x 16 mirror and Type B C and D buses shall have a minimum of a 6 x 30 mirror Exterior mirrors Each school bus shall be equipped with a system of exterior mirrors as defined in FMVSS Rear vision mirror The mirror system shall be capable of providing a view along the left and right sides of the vehicle which will provide the driver with a view of the rear tires at 1 CCR 301 25 68 03 2251 R 69 00 69 01 69 02 69 03 2251 R 70 00 70 01 2251 R 71 00 71 01 2251 R 72 00 72 01 72 02 ground level a minimum distance of 200 feet to the rear of the bus and at le
28. ent of Transportation SAE Society of Automotive Engineers Inc Standards Revision 1986 400 Commonwealth Drive Warrendale PA 15096 UL Underwriters Laboratories Inc Standard 299 82 Revision March 1985 1 CCR 301 25 333 Pfingsten Road Northbrook IL 60062 FED SPEC NSSB NBS SAHS NFPA Federal Specification TT C 520b Revision February 1973 General Services Administration Specification and Consumer Information Distribution Center Building 197 Washington D C 20407 National Standards for School Buses Revision 1990 Recommendations of the Eleventh National Conference on School Transportation issued by the National Safety Council 444 North Michigan Avenue Chicago Illinois 60611 National Bureau of Standards Voluntary Product Standard 1 83 Revision May 1984 Office of Standards Reference Materials Washington D C 20234 Standard Alphabets for Highway Signs Series B Federal Highway Administration Revision April 1984 U S Government Printing Office Washington D C 20234 National Fire Protection Association Volume 2 National Fire Codes Revision 1985 Batterymarch Park Quincy MA 02269 For information regarding how the incorporated material may be obtained or examined contact 2251 R 3 00 3 01 3 02 Colorado Department of Education School Transportation Unit 201 East Colfax Avenue Room 209 Denver CO 80203 Responsibility of Suppliers School transportation vehicle dea
29. er coding is permitted only if the number is a permanent part of the insulation and is repeated at intervals of not more than 6 inches A separate fuse or circuit breaker shall be provided for each circuit except starter motor and ignition circuits 1 CCR 301 25 88 04 88 05 2251 R 89 00 2251 R 90 00 2251 R 91 00 91 01 2251 R 92 00 92 01 92 02 92 03 92 04 92 05 All wires shall be installed within body They shall be insulated and protected by covering of fibrous loom or equivalent which will protect them from external damage and minimize dangers from short circuits Whenever wires pass through body member additional protection in form of appropriate type of insert shall be provided Wires not enclosed within body shall be enclosed in a protective jacket and fastened securely at intervals of not more than 18 inches All joints shall be soldered or joined by equal effective connectors The protective jackets shall be assembled to provide maximum protection against moisture and dust Rule Number Reserved Rule Number Reserved VEHICLES FOR TRANSPORTING CHILDREN WITH DISABILITIES General Requirements Vehicles constructed for transporting children with disabilities shall comply generally with these rules but because of use of special equipment certain modifications in these minimum standards must be made This section lists with respect to vehicles constructed or modified for children with d
30. es in width 58 10 a The emergency window shall meet FMVSS 205 Glass shall be tempered unless specified laminated by the purchaser 58 10 b Emergency window shall be hinged from top and provided with a hold open control to insure against accidental closing during an emergency 58 10 c Emergency window in rear shall be equipped with latch on the inside and with a handle of hitch proof design which will permit opening from the outside All designated emergency windows shall bear words EMERGENCY EXIT in letters at least 2 inches high both inside and outside the window Lettering shall be placed no more than three inches directly above window All designated emergency windows shall be equipped with a buzzer When not fully latched it shall activate a signal audible to the driver Ignition interlock for the vandal locks shall conform to FMVSS Emergency Equipment The bus shall be equipped with at least one pressurized 5 pound dry chemical fire extinguisher of a type approved by UL with a total rating of not less than 2A10BC The operating mechanism shall be sealed with a type of seal that will not interfere with use of the fire extinguisher 59 01 a The small vehicle shall be equipped with one securely mounted 2 1 2 pound dry chemical fire extinguisher of a type approved by UL with a minimum rating of LA1OBC Fire extinguisher shall be mounted in the extinguisher manufacturer s bracket automotive type and located in the
31. frequencies from 250 to 2000 cycles per second and having total sound level of 110 decibels within these frequency limits when measured at point on axis of horn three feet from exit of horn Instruments and Instrument Panel Chassis shall be equipped with the following non glare instruments and gauges Lights in lieu of gauges are not acceptable 26 01 a 26 01 b 26 01 c 26 01 d 26 01 e 26 01 f 26 01 g 26 01 h 26 01 i 26 01 j 26 01 k Standard speedometer with seven digit odometer Voltmeter with a graduated scale to 16 volts Oil pressure gauge Water temperature gauge Fuel gauge Upper beam headlamp indicator Tachometer The tachometer is not required for Type A and B school buses Left and right turn signal indicator Chassis with air brake systems shall be equipped with a visible gauge and audible low pressure indicator to warn driver if air pressure in brake system falls below 60 PSI see BRAKES Section 13 Chassis with air brake systems shall have a labeled visual indicator of park brake application visible to driver Chassis with a hydraulic assist brake system shall be equipped with warning signals readily audible and visible to the driver that will provide continuous warning in the event of a loss of fluid flow from primary source or loss of electric source powering the back up system All instruments shall be easily readable by driver and accessible for maintenance 1 CCR 3
32. gency Exits Emergency door s shall be equipped with a 3 point latch mechanism Type A buses shall be equipped with the standard latch Emergency door latch shall be equipped with suitable electric plunger type switch connected with buzzer located in driver s compartment Switch shall be enclosed in metal case and wires leading from switch shall be concealed in bus body Switch shall be so installed that plunger contacts farthest edge of slide bar in such manner that any movement of slide bar will immediately close circuit on switch and activate buzzer A separate interior handle shall be provided to pull the door shut from the inside 58 01 a When flip up seat is located next to emergency door the inside door handle must be enclosed or protected by a safety guard to prevent accidental opening Exterior door handle shall be of permanent hitch proof design and mounted with enough clearance to permit opening without touching door surface and may be equipped with a lock which will not prevent opening from inside All emergency door openings shall be completely weather stripped Operation instructions for opening of door shall be lettered or decaled on the inside of the emergency door Emergency door shall bear words EMERGENCY EXIT both inside and outside in letters at least 2 inches high Words shall be placed directly above the door or on the upper portion of the door On all buses except rear engine transit school buses Type D an emer
33. gency door shall be located in the rear of the bus body and centered with respect to the body Door shall have a minimum horizontal opening of 24 inches and minimum vertical opening of 48 inches measured from floor level Rear emergency door shall be hinged on right side and shall open outward 1 CCR 301 25 58 07 58 08 58 09 58 10 58 11 58 12 58 13 2251 R 59 00 59 01 59 02 Rear emergency door shall contain upper and lower glass panels which comply with FMVSS 205 Glass in emergency door shall provide maximum area of visibility for safe operation of bus There shall be a head bumper pad installed over the emergency door on the inside of the bus body This pad shall be approximately 3 inches wide high at least 1 inch thick and extend across the entire top of the emergency door opening Padding shall be of the same materials as the padding used over the service door Side emergency door If engine or storage compartment is so located as to make it impossible to place door in center of rear end the emergency door shall be located in the rear half of the left side of the bus body The door shall not be located to reduce size of opening by wheelwell The door shall be hinged on the front side Rear emergency window If engine or storage compartment is so located as to require a side emergency door an emergency window shall be installed in the rear of the bus and shall be no smaller than 16 inches in height and 54 inch
34. h calendar year Body manufacturers shall record and report to CDE the test results called for in Section 55 Construction of these rules All school bus bodies shall meet applicable FMVSS and compliance with these standards shall be certified by the body manufacturer by the attachment of a plate or decal It will be the district s responsibility to ascertain whether all school buses purchased leased or under contract to the district meet all specifications of these rules This verification should be obtained at the time of delivery in addition to the statement of compliance in the purchase bid contract for or lease agreement When selling a school bus it is the district s responsibility to eliminate the district s name from the sides of the bus Chassis and Body Delivery Requirements The chassis manufacturer shall provide the following materials and information for direct delivery to the customer 7 01 a Line set tickets for each individual unit 7 01 b A copy of the pre delivery service performed and verified by a checkout form for each individual unit 1 CCR 301 25 2251 R 8 00 2251 R 9 00 2251 R 10 00 2251 R 11 00 11 01 2251 R 12 00 12 01 12 02 12 03 2251 R 13 00 13 01 13 02 13 03 7 01 c Warranty book and statement of warranty for each individual unit 7 01 d Service manual for each individual unit or identical units 7 01 e Parts manual for each individual unit or identical unit
35. he rack load will be considered to be uniformly distributed when the variation in the hydraulic jack readings is less than 10 percent A maximum load the sum of all jack readings shall equal DVW Transverse Cross Section Side View Figure 2 Arrangement of Hydraulic Jack for Rack Loading of Two Frame Assembly The test may be performed on a complete bus body or on a representative section composed of at least two complete frames body posts plus roof bows and floor Standard seats may be installed in the test section in a manner identical to that of the full bus body Fabrication procedures for the test assembly shall be identical to those used in normal bus body production A two cycle loading sequence shall be conducted with intermediate and final load and deflection readings recorded according to the procedure described 1 CCR 301 25 55 06 55 07 55 08 55 09 2251 R 56 00 56 01 56 02 56 03 2251 R 57 00 57 01 57 02 57 03 57 04 57 05 The maximum deflection in line with the jack A maximum shall not exceed 4 inches Manufacturers shall specify which testing method was used and submit appropriate certification information as called for in 6 02 Subfloor shall be either 5 ply nominal 5 8 inches thick plywood or a material of equal or greater strength and insulation R value and it will equal or exceed properties of exterior type softwood plywood C D grade as specified in NBS Product Standard 1 83 T
36. is requirement Seat Belt for Driver A type 2 lap belt shoulder harness seat belt shall be provided for the driver The assembly shall be equipped with an emergency locking retractor ELR for the continuous belt system The lap portion of the belt shall be guided or anchored where practical to prevent the driver from sliding sideways under it Seats Restraining Barriers All seating and restraining barrier design and construction must meet the provisions of FMVSS 222 All seats shall be forward facing and shall be securely fastened to that part of the school bus body which supports them No bus shall be equipped with jump seats or portable seats Forward most pupil seat on right side of bus shall be located so as not to interfere with driver s vision not farther forward than barrier behind driver or rear of driver s seat when adjusted to its rear most position Seat material shall comply with FMVSS 302 Backs of all sets of similar size shall be of same width at top and of same height from floor and shall slant at same angle with floor Passenger seat cushion retention system shall be employed to prevent passenger seat cushions from disengaging from seat frames or flipping forward in event of accident Each seat cushion retention system shall be capable of withstanding vertical static load equal to minimum of 5 times weight of cushion Type A school buses shall be equipped with restraining barriers conforming to FMVSS 222
37. isabilities standards for special equipment and exceptions required in these rules Wheelchair lift buses may have the universal handicapped wheelchair emblem affixed in two locations one under the stop arm signal device and one on the rear of the vehicle Such emblem shall not exceed 12 inch dimension Special Service Door Special door opening shall be located on right side of bus and far enough to rear to prevent door when open from obstructing front right service door Door opening shall be not less than 35 inches in width Door may be made of one or two panels if door is two panels they shall be of approximately equal width equipped with hinges and hinged to side of bus and each panel shall open outward Forward panel shall be provided with overlapping flange to close space where door panels meet and weather seal shall be provided to close all door edges Door shall be equipped with at least one point fastening device on rear panel to floor or header and at least two point fastening device to floor and header on forward door panel both manually operated Door shall be equipped with device that will actuate audible or visible signal located in driver s compartment when doors are not securely closed Each door shall contain fixed or movable window aligned with lower line of other windows 1 CCR 301 25 92 06 92 07 92 08 92 09 2251 R 93 00 93 01 93 02 93 03 93 04 93 05 93 06 2251 R 94 00 94 01
38. lers distributors and manufacturers each have a responsibility to comply with these rules after the effective date of these rules October 1 1993 Dealers distributors or manufacturers which supply school transportation vehicles for use 1 CCR 301 25 3 03 2251 R 4 00 4 01 4 02 4 03 2251 R 5 00 5 01 5 02 5 03 in the State of Colorado which do not meet the specifications herein stated shall be notified of noncompliance and a general notice will be sent to all school districts and school transportation operations within the State of Colorado advising that equipment supplied by such dealer distributor or manufacturer is not in compliance with these rules October 1 1993 If a dealer distributor or manufacturer has been notified of non compliance in accordance with subsection 3 02 and replaces or modifies the equipment to meet these rules October 1 1993 a notification of compliance will be issued from the Colorado Department of Education within 30 days after proof of compliance Effective Date of Specification School transportation vehicles manufactured on or after the effective date of these rules October 1 1993 for the purpose of transporting Colorado school children shall meet or exceed these minimum standards contained herein School transportation vehicles manufactured before the effective date of these rules which have been used exclusively for the purpose of transporting school children and which
39. lift is used it shall be of sufficient capacity to lift wheelchair electric or other occupant and attendant Power lift shall be mounted on chassis frame or bus floor Power lift platform shall be of sufficient width to accommodate all standard wheelchair dimensions Power lift platform shall be covered with non skid material All edges of the platform shall be designed to restrain the wheelchair and to prevent the operator s feet from being entangled during the raising and lowering process 1 CCR 301 25 94 06 94 07 94 08 94 09 94 10 94 11 2251 R 95 00 95 01 2251 R 96 00 96 01 2251 R 97 00 97 01 2251 R 98 00 98 01 2251 R 99 00 99 01 2251 R 100 00 100 01 Self adjusting steel or equivalent ramp of sufficient width to minimize incline to lift platform shall be attached to lift platform Ramp shall be equipped with skid resistant surface Lift mechanism shall not be operable when doors are closed When the lift mechanism is in the fully up position it shall be locked in position mechanically Control shall be provided that enables the operator to activate the lift mechanism from either inside or outside the bus Lift mechanism shall be so equipped that it may be manually operated in the event of power failure The lift mechanism shall be prevented from falling while in operation due to a power failure The lift mechanism shall be equipped with adjustable limit switches or by pas
40. ll be spaced as far apart laterally as practicable but in no case shall the spacing between lamp centers be less than 40 inches The signal lamps shall be mounted at the front on the same horizontal center line and above the windshield and at the rear on the same horizontal center line so that the lower edge of the lens is not lower than the top line of the side window opening The vision of the front signal lamps to the front and rear signal lamps to the rear shall be unobstructed by any part of the vehicle The area around the lens of each alternately flashing signal lamp and extended outward approximately 3 inches shall be painted black In installations where there is not a flat vertical portion of the body immediately surrounding entire lens of lamp a circular band of black approximately 3 inches wide immediately below and to both sides of the lens shall be painted on the body or roof area against which signal lamp is seen from a distance of 500 feet along the axis of vehicle Each lamp shall be mounted with its aiming plane vertical and normal to the vehicle axis 67 07 g Visors shall be provided and securely mounted above the dual lamp flashing warning signals to adequately shade and protect the dual lamp assemblies from sunlight above but not to obstruct the rear and side effectiveness of the warning lamps Type D rear engine buses shall have 2 amber hazard lamps of no less than 38 48 square inches each visible to the rear when the engin
41. manufacturer s recommendations Windshield Wipers 1 CCR 301 25 87 01 87 02 87 03 2251 R 88 00 88 01 88 02 88 03 A windshield wiping system two speed or more shall be provided The wipers shall be operated by one or more air or electric motors of sufficient power to operate wipers If one motor is used the wipers shall work in tandem to give full sweep of windshield All wiper controls shall be located within easy reach of the driver and designed when in stop position to move blades from the driver s direct view All wiring shall conform to current standards of SAE Circuits 88 02 a Wiring shall be arranged in at least nine regular circuits as follows 88 02 a 1 Head tail stop and instrument panel lamps 88 02 a 2 Clearance lamps 88 02 a 3 Dome and step well lamps 88 02 a 4 Starter motor 88 02 a 5 Ignition and emergency door signal 88 02 a 6 Turn signal lamps 88 02 a 7 Alternately flashing warning signal lamps 88 02 a 8 Horn 88 02 a 9 Heaters and defrosters 88 02 b Any of above combination circuits may be subdivided into additional independent circuits 88 02 c All other electrical functions such as electric type windshield wipers shall be provided with independent and properly protected circuits 88 02 d Each body circuit shall be color or number coded and a diagram of circuits shall be attached to the body in a readily accessible location Numb
42. met or exceeded the Colorado Standards at the time may continue in use Only used buses manufactured after January 1 1978 may be purchased leased or contracted for the purpose of transporting Colorado school children These buses must have met Colorado minimum standards in effect at the time of manufacture School Transportation Vehicle Definitions Section 42 1 102 69 C R S School Bus means every motor vehicle which is owned by a public or governmental agency and operated for the transportation of children to or from school or which is privately owned and operated for compensation but it does not include informal or intermittent arrangements such as sharing of actual gasoline expense or participation in a car pool for the transportation of children to or from school A School Bus shall be a motor vehicle with motive power built to school bus standards designed for carrying passengers which at any time would be used to carry school children students and school personnel providing that such transportation is sponsored and approved by the local board of education or school governing agency Vehicles that only carry school children along with other passengers as part of the operation of a common carrier under the jurisdiction of Interstate Commerce Commission and Public Utilities Commission are not included within the definition of school bus TYPE A Type A school bus is a conversion or body constructed upon a van type co
43. mpact truck or a front section vehicle chassis with a gross vehicle weight rating of 10 000 pounds or less designed for carrying passengers TYPE B Type B school bus is a conversion or body constructed and installed upon a van 1 CCR 301 25 5 04 5 05 5 06 5 07 or front section vehicle chassis or stripped chassis with a gross vehicle weight rating of more than 10 000 pounds designed for carrying passengers Part of the engine is beneath and or behind the windshield and beside the driver s seat The entrance door is behind the front wheels 5 03 a Vans or other vehicles adapted for school transportation use are not acceptable without modifications of sides and roof for added structural strength Vehicles shall meet all current applicable FMVSS TYPE C Type C school bus is a body installed upon a flat back cowl chassis with a gross vehicle weight rating of more than 10 000 pounds designed for carrying passengers All of the engine is in front of the windshield and the entrance door is behind the front wheels TYPE D Type D school bus is a body installed upon a chassis with the engine mounted in the front midship or rear with a gross vehicle weight rating of more than 10 000 pounds designed for carrying passengers The engine may be behind the windshield and beside the driver s seat it may be at the rear of the bus behind the rear wheels or midship between the front and rear axles The entrance door is ahead of the
44. on Body shall bear words SCHOOL BUS in black letters at least 8 inches high on both front and rear of body Lettering shall be placed as high as possible without impairment of its visibility Lettering shall conform to SAHS School buses shall bear name of school district or company on each side in black standard unshaded letters 5 inches in height If there is insufficient space due to the length of the name of the school district terms such as community consolidated and district may be abbreviated The manufacturer s rated pupil seating capacity shall be printed to the left of the entrance door on the lower skirt in 2 inch characters The word capacity may be abbreviated Example Cap 48 The capacity shall also be shown on the inside upper portion of the entrance door or inside above the windshield The numbering of individual buses for identification purposes is permissible Lettering and numerals shall be painted or may be pressure sensitive marking of similar performance quality STOP shall be printed on the rear of the bus in letters at least 8 inches high ON FLASHING RED shall be printed below STOP in letters at least 5 inches high Letters shall be placed in area s visible to the approaching motorist The school district logo may be placed above the side window dripline Only signs and lettering specifically permitted by state law or regulation and any marking necessary for safety and identification shall appe
45. painted black Cowl and fenders shall be painted National School Bus Yellow as defined in NSSB Hood shall be painted non reflective National School Bus Yellow as defined in NSSB Any wheels and rims that are not iron gray or galvanized shall be painted black Cooling System The cooling system fan shall be heavy duty reinforced type Fan may be controlled by thermostatically actuated clutch 1 CCR 301 25 17 02 17 03 17 04 17 05 17 06 17 07 2251 R 18 00 18 01 2251 R 19 00 19 01 2251 R 20 00 20 01 20 02 20 03 20 04 20 05 The cooling system radiator shall be of sufficient capacity to cool the engine at all speeds in all gears Thermostatic controls shall be high temperature type On all chassis requiring hoses or extensions to fill radiators the hose or extensions shall be so designed to permit adding of coolant without trapping air Permanent ethylene glycol base or environmentally safe equivalent anti freeze shall be provided by chassis manufacturer to protect the cooling system to 30 degrees Fahrenheit F when tested at normal engine temperature and shall not be diluted by body company Type C and D Buses equipped with an automatic transmission shall have a heavy duty cooling system with increased capacity in the radiator fan and other necessary components to provide for the additional cooling required by the automatic transmission External oil filter on oil return line between cooling s
46. r events provided that such transportation is sponsored and approved by the local board of education The activity bus shall travel from one location to a second location without stopping to load or unload passengers or control traffic on a public highway The preceding definition is not intended to preclude the use of school buses on school related activities or events 5 07 a The body shall bear the words ACTIVITY BUS in letters at least 8 inches high on both the front and rear The lettering shall be placed as high as possible without impairment of its visibility Lettering shall conform to SAHS 5 07 b All activity bus seat design attachment construction and material shall meet all manufacturer s standard coach non school bus seating requirements or FMVSS 222 5 07 c Activity buses shall bear name of school or company on each side at least 5 inches in height Testing and Certification Chassis manufacturers shall provide certification to the Colorado Department of Education that their product s meet these rules and all applicable FMVSS standards Written certification shall be provided 30 days before or after July 1 of each calendar year School bus body manufacturers shall provide certification to the Colorado Department of Education that their product s meet or exceed these rules and all applicable FMVSS in effect at the time of manufacture Written certification shall be provided 30 days before or after July 1 of eac
47. r temporary waiver shall provide the Board with 101 01 a 1 Reasons for temporary waiver of the standards 101 01 a 2 Statement of the specific variation from the minimum standards 101 01 a 3 Compensating factors with respect to non conformity
48. s Rule Number Reserved Rule Number Reserved Rule Number Reserved THE BUS CHASSIS Air Cleaner The engine intake air cleaner shall be furnished and properly installed by the chassis manufacturer to meet engine specifications Axles The front axle and rear differential including suspension assemblies shall have a gross axle weight rating at ground at least equal to that portion of the load as would be imposed by the chassis manufacturer s maximum gross vehicle weight rating Rear axle shall be full floating type Rear axle shall be single speed Brakes All braking systems shall comply with FMVSS 105 106 116 121 Vehicles with a rated capacity of greater than 54 shall be equipped with full compressed air brake systems Air brakes The following standards apply to air brake systems 13 03 a Compressors On buses using full compressed air brakes for service emergency and parking brakes the compressor shall be a standard production model with a minimum 12 cubic foot per minute displacement 13 03 b Three reservoirs or chambers wet primary secondary with a total capacity which is equal to or greater than 12 times the total volume of all brake actuators at full travel 13 03 c Moisture ejection valve An automatic heated moisture ejection valve or air drying system shall be properly installed This is made to automatically eject moisture sludge and or foreign matter and maintain clean dry air
49. s valves to prevent excessive pressure from building in the hydraulic system when the platform reaches the full up or full down position Stanchions Stanchions guard rail and guard panel shall be installed at both rear and front edges of special service door opening extending into bus If power lift is used chain shall be installed between stanchion posts to enclose area of power lift Fastening Devices for Wheelchairs Positive fastening devices shall be provided attached to floor to walls or both that will securely hold wheelchairs in position when in bus Seat Restraining Devices All seat belt assemblies shall comply with FMVSS 209 and 210 Aisles Aisles leading to emergency door shall be wide enough to permit passage of wheelchair Special Lamp Lamp shall be placed inside bus over special service door and shall be operated by a switch push button from the door area Grab Handles Grab handles shall be provided on each side of front right service door on buses constructed for transportation of children with disabilities 1 CCR 301 25 2251 R 101 00 Emergency Waiver of Specifications 101 01 The Colorado Board of Education may temporarily waive specific non statutory standard s when the Board finds that vehicles meeting the minimum standards are not available and also find that the safety of children would not be adversely affected by the nonconformity 101 01 a Any agency or district applying fo
50. shall have minimum horizontal opening of 24 inches and minimum vertical opening of 68 inches Type A buses shall have a minimum door opening area of 1200 square inches There shall be no door to the left of the driver on Type C or D buses Type A and B buses may be equipped with chassis manufacturer s standard door Service door may be of split type folding type or section type Split type door includes any sectional door which divides and opens inward or outward If one section of split type door 1 CCR 301 25 57 06 57 07 57 08 2251 R 58 00 58 01 58 02 58 03 58 04 58 05 58 06 opens inward and other outward front section shall open outward The door shall be equipped with a flexible material on the vertical closing edge s designed to protect passengers fingers All door glass shall comply with FMVSS 205 Glass in service door shall provide maximum area of visibility for operation of bus Power operated doors shall be equipped with a separate manual emergency release readily accessible in the door area above or to the side of the service door or on dash so that the door may be opened in the case of emergency The release shall be plainly labeled with instruction for use There shall be a head bumper pad installed on the inside at the top of the entrance door This pad shall be approximately 3 inches wide high at least 1 inch thick and extend across the entire top of the entrance door opening Emer
51. sorbent gauze 2A X T2 reiini ie aee EA E EE Ta e EER 3 Triangular bandage Sireenin reae e a va aeeoa roe r anera eee 4 LEIRENE 013 4 AR AN E E N E 1 Space rescue blanket sisihe ee ee eeta 1 Latex disposable gloves pait sesesesssesssessssssseseseee e e eaaa L CPR mask or mouth to mouth airway lipsvitaess oh dda hana Moisture and dustproof kit of sufficient capacity to contain materials of the Colorado first QUA KAU Ss deel ien e e ar deck ee ew nts Wake E E is eel mae teltan eels suet te nd tet A teeet state 1 Emergency Reflectors Section 42 4 227 C R S 59 04 a All buses and small vehicles shall carry three 3 emergency triangle reflectors in compliance with FMVSS 125 contained in a securely mounted case Floor Coverings Floor in underseat area including tops of wheel housings driver s compartment and toeboard shall be covered with fire resistant rubber floor covering or equivalent having a minimum overall thickness of 125 inch Floor covering in aisle shall be aisle type fire resistant rubber or equivalent non skid wear resistant and ribbed Minimum overall thickness shall be 1875 inch measured from tops of ribs Floor covering must be permanently bonded to floor and must not crack when subjected to sudden changes in temperature Bonding or adhesive material shall be waterproof and shall be of type recommended by manufacturer of floor covering material All seams must be sealed with waterproof sealer
52. stem of capacity to provide heat for the front part of the bus including driver compartment and to keep windshield area service door glass driver s left glass area and stepwell clear of moisture ice and snow Hot water heaters shall bear the name plate rating in accordance with NSSB Two speed switches shall operate all heater fans independently Heater cores and fans shall be completely encased but designed to permit servicing heater assembly by removing all or part of case Heater hose installation in the engine compartment shall include two shut off valves able to shut off coolant completely when necessary 62 06 a One mounted between the water pump outlet and heater hose connection 62 06 b One mounted between the motor block and the return heater hose connection 62 06 c Heater hoses shall be adequately supported to guard against excessive wear due to vibration Hoses shall not rub against the chassis body or other edges The body manufacturer shall add the required amount of permanent ethylene glycol base or environmentally safe equivalent anti freeze after heaters have been connected to protect cooling system of bus to 30 degrees F tested at normal engine temperature 1 CCR 301 25 62 08 2251 R 63 00 63 01 63 02 63 03 63 04 63 05 63 06 63 07 63 08 2251 R 64 00 64 01 There shall be a heater water flow regulating valve installed for convenient operation by the driver Identificati
53. t leaves muffler The rear end of tail pipe must be located at least 20 inches to the right or left of the centerline of the chassis 1 CCR 301 25 20 06 2251 R 21 00 21 01 21 02 2251 R 22 00 22 01 22 02 22 03 22 04 22 05 2251 R 23 00 23 01 Exhaust system shall be insulated from fuel tank and fuel tank connections by securely attached metal shield at any point where it is 12 inches or less from the fuel tank or fuel tank connections Gasoline engines only Fenders Front Total spread of outer edges of front fenders measured at fender line shall exceed total spread of front tires when front wheels are in straight ahead position Front fenders shall be braced and free from any body attachment Trailing edge of front fender shall extend to bottom of front body section Fender extensions are acceptable Frame Frame shall be designed to correspond with or exceed standard practice performance criteria for truck of same general load specifications used for severe service Frame side members shall be one piece construction between front hanger of front spring and rear hanger of rear spring Extension of frame lengths shall not be for the purpose of extending wheelbase All frame attachments beyond the wheelbase must receive prior approval in writing from the Colorado Department of Education Approval s will be granted only after receiving certifications that extensions equal or exceed strength of solid fr
54. ture The ambient temperature is any level between 32 degrees F and 90 degrees F 55 05 c 2 Windows and Doors Vehicle windows doors and emergency exits are in the fully closed position and latched but not locked 55 05 d An alternative method of testing for the racking load test shall be as follows The racking load shall be applied along a line connecting the most distant points on a transverse cross section of the bus interior It produces a shear distortion of the cross section as shown in figure 2 A representative method of loading which employs a hydraulic jack to load a two frame test assembly is illustrated in figure 2 The maximum jack load for the two 1 CCR 301 25 frame assembly is determined by the following formula J 2P J maximum jack load for two frame test assembly P load frame where P DVW divided by N DVW dynamic vehicle weight N total number of bus body frames and DVW DF x GVW DF dynamic factor not less than 1 5 GVW gross vehicle weight Thus for a DF 1 5 a GVW 22 000 pounds per foot lbf and N 11 the dynamic vehicle weight is DVW 33 000 Ibf the load frame is P 3000 lbf and the maximum jack load is J 6000 Ibf When a complete bus body is rack loaded the total load DVW must be distributed uniformly along the bus body This may be accomplished by mounting a series of hydraulic jacks along the length of the bus interior Seats may be removed to facilitate jack mounting T
55. ved Rule number reserved Rule number reserved Rule number reserved Rule number reserved Rule number reserved Rule number reserved THE BUS BODY Aisle Minimum aisle clearance between seats shall be 12 inches at seat level and 15 inches at top of seats This includes the aisles to all emergency doors On forward control front engine Type D buses the aisle passage area shall not be less than 12 inches measured from floor level up between engine cover and any other object Hold down fastening devices used on engine cover shall be designed to prevent hooking or catching on shoes or clothing Battery Battery and all cable required to complete circuits without splicing even when drawer is extended for battery servicing shall be provided by the chassis manufacturer and mounted for delivery to body plant Body manufacturer shall provide at customer option a drawer type pull out tray to facilitate servicing or removal of battery ies The battery ies shall be enclosed by a vented compartment constructed of mill applied zinc steel provided with drain ports hold down carrier mounted so as to avoid blocking filler ports and latching device to prevent accidental 1 CCR 301 25 2251 R 52 00 52 01 52 02 52 03 52 04 52 05 52 06 52 07 2251 R 53 00 53 01 2251 R 54 00 54 01 opening Under coating shall be provided and applied to battery box Battery tray is to be equipped with
56. y Inside height of wheel housings above floor line shall not exceed 12 inches Wheel housings shall provide clearance for installation and use of tire chains on single and dual power wheels The wheelhousing opening shall allow for easy tire removal and service No part of a raised wheelhousing shall extend into the emergency door opening Windshield and Windows All glass in windshield windows and doors shall be of approved safety glass so mounted that permanent mark is visible and of sufficient quality to prevent distortion of view in any direction as specified in FMVSS Glass in windshield shall be heat absorbent laminated safety glass with 0 030 inch plastic interliner Windshield shall be large enough to permit driver to see roadway clearly shall be slanted to reduce glare and shall be installed between front corner posts that are so designed and placed as to afford minimum obstruction to driver s view of roadway Each full side window shall provide unobstructed emergency opening at least 9 inches high and 22 inches wide obtained by lowering of window If full drop windows are used they shall be blocked so that when in a down position the opening between the window header and top of glass is not more than 12 inches Push out type split sash windows may be used All exposed edges of glass shall be banded Windshield Washers The bus shall be equipped with windshield washers which shall conform to FMVSS and body
57. ype A vehicles shall have nominal 1 2 inch thick plywood or equivalent material equal to or exceeding properties listed above Ceiling Panels If the ceiling is so constructed to contain lap joints the forward panel shall be lapped by the rear panel and the exposed edges shall be beamed hemmed or flanged or otherwise treated to minimize sharp edges All body components shall be designed and constructed so as to avoid the entrapment of moisture and dust All openings between chassis and passenger carrying compartment made for any reason by body manufacturer must be sealed Defrosters A defroster system shall be installed of sufficient capacity to keep windshield area left frontside window to rear of driver s vision and service door glass area free of condensation or ice Adjustable 6 inch auxiliary fans may be installed to complement the defroster system used by the manufacturer Such fans shall be controlled individually by two speed switches located on control panel Fan blades shall be covered with a protective cage The defrosting system shall conform to SAE Standards Doors Service door shall be power or manually operated under control of the driver and so designed to afford easy release and to prevent accidental opening When manual lever is used no parts shall come together so as to shear or crush fingers Service door shall be located on right side of bus opposite driver and within driver s direct view Service door
58. ystem and transmission shall be provided Cooling system shall be equipped with a coolant recovery system Cooling system shall be equipped with a visual fluid level indicator Drive Shaft Each drive shaft or section thereof shall be equipped with adequate metal guard or guards to prevent whipping through floor or dropping to ground if broken Electrical System The electrical system including battery ies and alternator shall be commensurate with all electrical needs of the bus including accessories Alternator shall be capable of producing a minimum of 50 of its maximum rated output at the engine manufacturer s recommended idle speed Exhaust System Exhaust pipe muffler and tail pipe shall be outside the passenger portion of the bus body and attached to chassis Exhaust back pressure shall not exceed engine manufacturer maximum requirement Muffler shall be heavy duty truck type of aluminized or stainless steel or ceramic coated to offer maximum resistance to corrosion or oxidation Tail pipe shall be constructed of seamless or electrically welded tubing of 16 gauge steel or equivalent and shall extend at least five inches beyond chassis frame with sufficient length to reach the bumper but not to extend beyond rear bumper Where frame extends to rear bumper 5 inch extension not required Type A school buses may have exhaust pipe routed to right or left behind rear axle Diameter of tail pipe shall not be reduced after i

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