Kansas Administrative Code

Reinstalled boiler or pressure vessel at same location. If a boiler or pressure vessel located in this state is moved for temporary use or repair, it shall be subject to immediate cer- tification inspection upon reinstallation. The rein- stalled boiler or pressure vessel shall be…

Shipment of nonstandard boilers or pressure vessels into the state. Shipment of nonstandard, nonexempt boilers or pressure vessels into this state for use shall be pro- hibited unless a variance and an operating permit have been granted by the secretary or the secre- tary’s desig…

Installation of used or second- hand boilers or pressure vessels. A used or sec- ondhand boiler or pressure vessel may be shipped for installation in this state only following an in- spection by an inspector qualified by an examina- tion equal to that required by this state or by…

Working pressure for existing installations. (a) The working pressure on any existing installation may be decreased by the in- spector if the boiler condition warrants it. (b) If the owner or user does not concur with the inspector’s decision, the owner or user may appeal to the …

Steam cleaners and hot water power washers. (a) Each steam cleaner or hot water power washer in which water can flash into steam when released directly to the atmosphere through a manually operated nozzle, on which adequate controls and safety devices are installed, and on which …

Minimum construction stan- dards for all boilers and pressure vessels. (a) Each new boiler or pressure vessel installed for operation in this state, unless otherwise ex- empt, shall be designed, constructed, inspect- ed, stamped, and installed in accordance with the applicable AS…

Combustion safeguards and waterside control appurtenances. (a) Each au- tomatically fired boiler shall be protected against the perils of low water, furnace explosion, over- 619 General Requirements for All Boilers 49-50-20 pressure, and overtemperature by equipping the boiler wi…

Combustion air supply and ventilation of boiler room. (a) A permanent source of outside air shall be provided for each boiler room to permit satisfactory combustion of the fuel as well as proper ventilation of the boiler room under normal operating conditions. One opening shall b…

New boilers, new pressure ves- sels, new boiler rooms, and boiler clearances. (a) Each owner, user, and installer of a new boiler or pressure vessel shall be responsible for notifying the office of the chief inspector within 72 hours of a boiler or pressure vessel installation. E…

Boilers and other appliances fired with LP gas. Boilers and other applianc- es fired with LP gas shall not be installed below grade, or in pits or other depressions where LP gas could accumulate. This prohibition shall apply unless the system meets the following conditions: (a) I…

Venting of atmospheric vents, gas vents, and bleed or relief lines.(a)Eachgas pressure regulator, pressure switch, safety shutoff valve, and any other gas control that has a thread- ed fitting shall be vented to the outdoors to a safe point of discharge. The material for each ven…

Certificate of inspection. The current certificate of inspection for each station- ary boiler shall be posted under a clear covering on the boiler room wall in a conspicuous location. The current certificate of inspection for each por- table boiler shall be attached to the boiler…

Installer qualifications. Each person who installs, repairs, or tests boilers that have the capacity to generate 1,250,000 BTUH or more shall be authorized by the chief boiler inspector before proceeding with the installa- tion, repair, or testing of that type of boiler. If the c…

Boiler combustion chamber vents. Each boiler shall be equipped with vents to convey the products of combustion safely from the boiler furnace to the outside atmosphere. Flue piping, draft hoods, draft diverters, and chimney connections shall be installed accord- ing to the boiler…

Cross-connection control. (a) A person shall not install any water-operated equip- ment or mechanism, or use any water-treating chemical or substance, if it is found that this equip- ment, mechanism, chemical, or substance may cause pollution of the domestic water supply. The equ…

Excessive water pressure con- trol for hot water supply systems. When lo- cal water pressure is in excess of 80 pounds per square inch (55.2kPa), an approved pressure-type regulator preceded by an adequate strainer shall be installed and the pressure shall be reduced to 80 pounds…

Hydrostatic pressure tests and inspection. (a) When there is doubt as to the ex- tent of a defect or deterioration found in a pres- sure vessel or boiler, a pressure test may be re- quired by the inspector. A pressure test shall not be required as part of a normal periodic inspec…

Boiler blowoff equipment; gen- eral requirements. (a) The blowdown from a boiler or boilers that enters a sanitary sewer sys- tem or blowdown that is considered a hazard to life or property shall pass through some form of blowoff equipment that will reduce pressure and temperatur…

Piping system. (a) Piping connect- ed to the outlet of a boiler shall be attached by one of the following methods: (1) Screwing into a tapped opening with a screwed fitting or a valve at the other end; (2) screwing each end into tapered flanges, fit- tings, or valves with or with…

Notification of inspection re- quirements. (a) A certificate inspection shall be carried out before the expiration date of the certifi- cate.Eachownerorusershallensurethattheboiler orpressurevesselisinspectedonorbeforethedate on which the inspection is due. Internal certificate i…

Age limit of existing boilers. (a) Any boiler of nonstandard construction installed before calendar year 1977 shall be removed from service at the age limit of 30 years except when both of these requirements are met: (1) After a thorough internal and external in- spection of such…

Stop valves. (a) Each steam out- let from a boiler, except safety valve and water col- umn connections, shall be fitted with a stop valve located as close as practicable to the boiler. (b) When a stop valve is so located that water can accumulate, ample drains shall be provided. …

Blowoff connection. (a) The construction of the setting around each blowoff pipe shall permit free expansion and contraction. These setting openings shall be sealed without re- stricting the movement of the blowoff piping. (b) All blowoff piping exposed to furnace heat shall be p…

Repairs and renewals of boiler and pressure vessel fittings and appliances. If repairs are made to any fittings or appliances of a boiler or pressure vessel or if it becomes necessary to replace them, the repairs or replacements shall meet the provisions of the following standard…

Conditions not covered by these requirements. All cases not specifically covered by these requirements shall be treated as new installations or may be referred to the chief inspector for instructions concerning the require- ments. (Authorized by and implementing K.S.A. 1985 Supp.…

(Authorized by and implementing K.S.A. 1985 Supp. 44-916; effective May 1, 1987; revoked April 28, 2000.) HEATING BOILERS

Maximum allowable working pressure for standard boilers and pressure vessels. The maximum allowable working pres- sure for standard boilers and pressure vessels shall be determined in accordance with the ap- plicable provisions of the edition of the ASME code under which they wer…

Maximum allowable working pressure for nonstandard boilers. (a) The maximum allowable working pressure of a non- standard boiler shall be determined by the appli- cation of the following formula: TStE = maximum allowable working pressure psig RFS where: TS = ultimate tensile stre…

Safety factors for boilers and pressure vessels. The department’s inspector 622 DEPARTMENT OF LABOR 49-51-4 shall decrease the working pressure if the con- dition and safety of the boiler or pressure vessel warrant it. The following safety factors shall rep- resent the minimum va…

Cast iron headers and mud drums. The maximum allowable working pres- sure on a water tube boiler with tubes which are secured to cast iron or malleable iron headers or which have cast iron mud drums shall not ex- ceed 160 psig. (Authorized by and implementing K.S.A. 1985 Supp. 44…

Pressure on cast iron boilers. The maximum allowable working pressure for any cast iron boiler, except hot water boilers, shall be 15 psig. (Authorized by and implementing K.S.A. 1985 Supp. 44-916; effective May 1, 1987.)

Safety valves. (a) Weighted-lever safety valves or safety valves that have either a seat or a disk that is made of cast iron shall not be used. The owner, user, or installer of the boiler shall re- place any valve of this type of construction, when found, with a direct, spring-lo…

Boiler feeding. (a) Each boiler shall have a feed supply that will permit it to be fed at any time while under pressure. (b)Eachboilerhavingmorethan500squarefeet of water-heating surface shall have at least two suit- ablemeansoffeeding,atleastoneofwhichshallbe a feed pump. A sour…

Water level indicators. (a) No outlet connections, except for any damper regu- lator, feedwater regulator, low water fuel cutout, drain, gauge, or other apparatus that does not per- mit the escape of an appreciable amount of steam or water from it, shall be placed on the piping t…

Steam gauges. (a) Each steam boil- er shall have a steam gauge with dial range not less than 1½ or more than 3½ times the maximum al- lowable working pressure connected to the steam space or to the steam connection to the water col- umn. The steam gauge shall be connected to a si…

Standard boilers. The maximum allowable working pressure of standard boilers shall in no case exceed the pressure indicated by the manufacturer’s identification stamped or cast on the boiler or on a plate secured to it. (Autho- rized by and implementing K.S.A. 1985 Supp. 44- 916;…

Stop valves and check valves. (a) If a boiler can be closed off from the heating system by closing a steam stop valve, there shall be a check valve in the condensate return line be- tween the boiler and the system. (b) If any part of a heating system can be closed off from the re…

Feedwater connections, au- tomatic low water fuel cutoff, and water- feeding devices. (a) Feedwater, makeup water, or water treatment materials shall be introduced into a boiler through the return piping system or through an independent feedwater connection that does not discharg…

Return pump. Each boiler equipped with a condensate return pump shall be provided with a water level control arranged to automatically maintain the water level in the boil- er within the range of the gauge glass. (Authorized by and implementing K.S.A. 1985 Supp. 44-916; effective…

Provisions for thermal expan- sion in hot water systems. (a) All hot water heating systems incorporating hot water tanks or fluid relief columns shall be installed in a manner that will prevent freezing under normal operating conditions. (b) Systems with open expansion tank. If t…

Repair and replacement of fit- tings and appliances. (a) If repairs are made to fittings or appliances or if it becomes necessary to replace them, the repairs shall meet the following standards: (1) Sections I, IV, and VIII of the ASME code for new construction, as adopted in K.A…

(Authorized by and implementing K.S.A. 1985 Supp. 44-916; effective May 1, 1987; revoked April 28, 2000.)

Provisions for thermal expan- sion in hot water supply systems. If the sys- tem is equipped with a check valve or pressure- reducing valve in the cold water inlet line, an airtight expansion tank or other suitable air cu- sion shall be used. If provided, the tank shall be constru…

Emergency shutoff switches. An emergency shutoff switch shall be installed on each hot water supply boiler, on each boiler of any size that is equipped with power burners, and on each boiler with a BTUH input of 400,000 or more, regardless of burner type. Each heating and power b…

Hot water supply boilers. (a) No hot water supply boiler or commercial or do- mestic type of water heater of any size shall be used for any type of comfort heat. This prohibi- tion shall include floor heat and closed-loop hot water heating systems of any kind. Each boiler that is…

Pool heaters. (a) Each pool heat- er shall have the following controls and safety de- vices that meet the following requirements: (1) A safety relief valve, with a set pressure not to exceed the maximum allowable working pressure of the lowest rated component in the system; and (…

Nonstandard riveted boilers. The maximum allowable working pressure on the shell of a nonstandard riveted heating boiler shall be determined in accordance with K.A.R. 49-51-3. The maximum working pressure of a steam heating boiler shall be 15 psig and the maximum working pressure…

Nonstandard welded boilers. The maximum allowable working pressure of a nonstandard steel or wrought iron heating boiler of welded construction shall not exceed 15 psig for steam. For other than steam service, the max- imum allowable working pressure shall be calcu- lated in acco…

Nonstandard cast iron boilers. (a) The maximum allowable working pressure of a nonstandard boiler composed principally of cast iron shall not exceed 15 psig for steam service or 30 psig for hot water service. (b) The maximum allowable working pressure of a nonstandard boiler havi…

Safety valves. (a) Each steam boiler shall have one or more ASME or national board-approved and certified safety valves of the spring pop-type adjusted and sealed to discharge at a pressure not to exceed 15 psig. Seals shall be attached in a manner that prevents the valve from be…