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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department LR. Licensing and Regulatory Affairs |
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Bureau of Construction Codes |
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Chapter Michigan Boiler Rules |
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Part 2. EXISTING INSTALLATIONS STEAM BOILERS |
Section 408.4201. Existing steam boilers. |
Section 408.4202. Age limit of nonstandard existing steam boilers. |
Section 408.4203. Age limit of lap seam boilers. |
Section 408.4205. Lap seam crack. |
Section 408.4206. Age limit of standard existing boilers. |
Section 408.4207. Factors of safety. |
Section 408.4208. Portable boilers. |
Section 408.4210. Cast-iron headers and mud drums. |
Section 408.4212. Maximum allowable working pressure. |
Section 408.4214. Safety and safety relief valves. |
Section 408.4215. Number of safety valves. |
Section 408.4216. Safety valve connections. |
Section 408.4217. Safety valve discharge pipes. |
Section 408.4218. Safety valve capacity. |
Section 408.4219. Safety valve pressure setting. |
Section 408.4220. Safety valves on connected boilers of different pressures. |
Section 408.4222. Safety valve setting on boilers with direct feed. |
Section 408.4223. Determining safety valve capacity. |
Section 408.4225. Replacement of safety valves. |
Section 408.4230. Means of boiler feeding. |
Section 408.4232. Introduction of feedwater into boilers. |
Section 408.4235. Feed valves required. |
Section 408.4236. Feedwater temperature. |
Section 408.4240. Water column connections. |
Section 408.4241. Gauge cocks. |
Section 408.4242. Pressure gauges. |
Section 408.4244. Stop valves. |
Section 408.4246. Blowoff connections; existing power boilers. |
Section 408.4251. Existing hot water boilers. |
Section 408.4253. Hot water boilers included; exempted. |
Section 408.4255. Working pressure and temperature; hot water steel-plate boilers. |
Section 408.4257. Working temperature; cast-iron hot water boilers. |
Section 408.4258. Washout openings; other than cast-iron boilers. |
Section 408.4259. Washout openings; cast-iron boilers. |
Section 408.4260. Furnace access openings. |
Section 408.4263. Threaded connections. |
Section 408.4265. Minimum distance required between boiler and floor. |
Section 408.4267. Minimum size access door in a boiler setting. |
Section 408.4268. Feedwater connections. |
Section 408.4269. Oil heaters. |
Section 408.4270. Provisions for thermal expansion in hot water systems. |
Section 408.4272. Minimum capacity of closed-type tank. |
Section 408.4274. Internal parts subject to deterioration. |
Section 408.4277. Connections for relief valves. |
Section 408.4278. Relief valves. |
Section 408.4280. Lifting devices. |
Section 408.4281. Material of seats and disks of relief valves. |
Section 408.4283. Relief valve size. |
Section 408.4284. Relieving capacity required. |
Section 408.4286. Relief valve connections. |
Section 408.4287. Shutoff valves prohibited. |
Section 408.4288. Area of and support of relief valve discharge pipes. |
Section 408.4290. Marking of safety or relief valves. |
Section 408.4291. Indirectly heated hot water supply tanks. |
Section 408.4292. Pressure or altitude gauges. |
Section 408.4293. Thermometers. |
Section 408.4294. Temperature combustion regulators. |
Section 408.4296. Bottom blowoffs or drain valves. |
Section 408.4298. Jacketed boilers. |