Page 19 - IRSEM_Main Book

Index of Indian Railways Signal Engineering Manual (IRSEM)

Sl. Page
No. Contents No.

221. Section 9: Maintenance of Outdoor Signalling 406

222. Section 10: Lightning & Surge Protection for Outdoor Equipment 408

223. Section 11: Earthing for Outdoor Signalling Equipment 409

224. Annexure 19-A1: Signal Sighting Committee Report – For Shifting of 415
Existing Signals/Erection of New Signals

225. Annexure 19-A2: Extract of Schedule of Dimensions (SOD) 418

226. Annexure 19-A3: Method for Finding Out the Resistance of an Earth 419

227. Chapter 20: Automatic Block Signalling 420

228. Section 1: Automatic Signalling – General 420

229. Section 2: Installation of Auto Signalling 423

230. Section 3: Maintenance of Automatic Signalling Section 425

231. Section 4: Modified Semi-Automatic Signalling Working 425

232. Annexure 20-A1: Automatic Signalling Scheme with OFC, MSDAC & OC 427

233. Chapter 21: Relay & Electronic Interlocking 433

234. Section 1: Design Criteria of Signalling Circuits 433

235. Section 2: Installation & Testing of Relays 449

236. Section 3: Installation of Relay Interlocking 452

237. Section 4: Electronic Interlocking (EI) 455

238. Section 5: Installation & Testing of Electronic Interlocking 458

239. Section 6: Maintenance of Interlocking 461

240. Section 7: Lightning and surge protection for Signalling Equipments 462

241. Annexure 21-A1: Relays for Railway Signalling 465

242. Annexure 21-A2: Pre-commissioning Check list 470

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