C C 006 C 14. C 006 C 202. CONFLUENCE WITH EAST LITTLE LLAGAS CREEK C 006 C 204. C 204. CROSS SECTIONS FROM CITY OF MORGAN HILL TOPOGRAPHIC MAPPING C 006 C 204. (Hammon, Jensen, Wallen & Assoc. 1988) AND AS-BUILT PLANS C 006 C 204. PREPARED BY CALTRANS 1970 C 006 C 204. C 006 C 230. C 006 C 230. TENNANT AVENUE C 006 C 270. C 006 C 270. EAST DUNNE AVENUE C 006 C 290. C 006 C 290. MAIN AVENUE C 006 C 306. C 006 C 306. COCHRANE ROAD (END CHANNEL) C 006 T1 SANTA CLARA COUNTY FLOOD INSURANCE STUDY T1 039 T2 NOLTE and ASSOCIATES (cda) November 1991 T2 040 T3 MADRONE CHANNEL (#19) T3 041 J1 2. 305.10 J1 018 J2-1. -1. J2 019 J3150. J3 020 NC0.040 0.040 0.035 0.1 0.3 NC 029 QT1. 1200. QT 034 * * 001 * Starting WSEL from E. Little LLagas run. * 001 * * 001 * X-202 Madrone.HC2 = X-286 Ell.HC2 * X1202. 27. 4952. 5038. X1 053 GR 312.5 4564.3 312.2 4783.7 309.4 4798.3 311.1 4806.4 311 4845.8 GR 310.1 4856 309.5 4896.5 308.3 4920.8 304.6 4928.9 304.3 4952.0 GR 299.8 4974.8 296.0 4991.1 296.0 5000.0 596.0 5012.3 302.2 5026.4 GR 304.3 5038.0 305.1 5088.5 305.6 5132.9 304.5 5157.6 305.7 5189.8 GR 305.3 5227.5 304.1 5251.0 301.7 5276.6 300.1 5282.9 300.1 5289.0 GR 301.9 5297.1 302.0 5325.2 * * 001 * Section 204 to 206 1' Rock Drop Structure * 001 * * 001 X1204. 14. 4968. 5052. 1320. 1320. 1320. X1 053 GR316. 4472. 314. 4635. 312. 4770. 310. 4842. 308. 4945. GR 015 GR306. 4968. 304. 4972. 299.2 4994. 299.2 5000. 299.2 5006. GR 015 GR304. 5025. 308. 5040. 310. 5052. 312. 5120. GR 015 * * 001 X1206. 14. 4968. 5052. 12. 12. 12. X1 053 GR316. 4472. 314. 4635. 312. 4770. 310. 4842. 308. 4945. GR 015 GR306. 4968. 304. 4972. 300.2 4994. 300.2 5000. 300.2 5006. GR 015 GR304. 5025. 308. 5040. 310. 5052. 312. 5120. GR 015 * * 001 * Section 208 to 210 2' Rock Drop Structure * 001 * * 001 X1208. 11. 4960. 5036. 488. 488. 488. X1 053 GR318. 4308. 316. 4645. 314. 4935. 310. 4960. 301.7 4994. GR 015 GR301.7 5000. 301.7 5006. 310. 5036. 312. 5050. 314. 5100. GR 015 GR314.2 5180. GR 015 * * 001 X1210. 11. 4960. 5036. 12. 12. 12. X1 053 GR318. 4308. 316. 4645. 314. 4935. 310. 4960. 303.7 4994. GR 015 GR303.7 5000. 303.7 5006. 310. 5036. 312. 5050. 314. 5100. GR 015 GR314.2 5180. GR 015 * * 001 * Section 212 to 214 2' Rock Drop Structure * 001 * * 001 X1212. 10. 4970. 5035. 488. 488. 488. X1 053 GR320. 4070. 318. 4450. 316. 4945. 314. 4970. 305.2 4994. GR 015 GR305.2 5000. 305.2 5006. 314. 5035. 316. 5110. 316.5 5190. GR 015 * * 001 X1214. 10. 4970. 5035. 12. 12. 12. X1 053 GR320. 4070. 318. 4450. 316. 4945. 314. 4970. 307.2 4994. GR 015 GR307.2 5000. 307.2 5006. 314. 5035. 316. 5110. 316.5 5190. GR 015 * * 001 * Section 216 to 218 1' Rock Drop Structure * 001 * * 001 X1216. 10. 4965. 5030. 1600. 1700. 1688. X1 053 GR326. 3960. 324. 4145. 322. 4480. 320. 4965. 312.3 4994. GR 015 GR312.3 5000. 312.3 5006. 318. 5030. 320. 5058. 322. 5165. GR 015 * * 001 X1218. 10. 4965. 5030. 12. 12. 12. X1 053 GR326. 3960. 324. 4145. 322. 4480. 320. 4965. 313.3 4994. GR 015 GR313.3 5000. 313.3 5006. 318. 5030. 320. 5058. 322. 5165. GR 015 * * 001 * Section 220 Check Dam (Removed in winter; assumed to wash out if not) * 001 * * 001 X1220. 8. 4970. 5027. 550. 630. 588. X1 053 GR324. 4325. 322. 4970. 315.1 4994. 315.1 5000. 315.1 5006. GR 015 GR320. 5027. 322. 5050. 324. 5130. GR 015 * * 001 * Section 224 to 226 2' Rock Drop Structure * 001 * * 001 X1224. 20. 4963. 5045. 1000. 1380. 1300. X1 053 X310. 328.4 332. X3 055 GR334. 3670. 332. 4200. 330. 4600. 328. 4750. 327.6 4870. GR 015 GR328. 4920. 328.4 4930. 328. 4950. 326. 4963. 319.0 4994. GR 015 GR319.0 5000. 319.0 5006. 328. 5045. 330. 5085. 332. 5126. GR 015 GR330. 5170. 328. 5240. 328. 5260. 330. 5450. 332. 5465. GR 015 * * 001 X1226. 20. 4963. 5045. 12. 12. 12. X1 053 X310. 328.4 332. X3 055 GR334. 3670. 332. 4200. 330. 4600. 328. 4750. 327.6 4870. GR 015 GR328. 4920. 328.4 4930. 328. 4950. 326. 4963. 321.0 4994. GR 015 GR321.0 5000. 321.0 5006. 328. 5045. 330. 5085. 332. 5126. GR 015 GR330. 5170. 328. 5240. 328. 5260. 330. 5450. 332. 5465. GR 015 * * 001 * Section 227 Fully Expanded Section D/S of Tennant Ave. (4:1) * 001 * * 001 X1227. 11. 4955. 5050. 320. 408. 408. X1 053 GR336. 4100. 334. 4830. 333. 4932. 332. 4955. 330. 4968. GR 015 GR322.3 4994. 322.3 5000. 322.3 5006. 332. 5050. 334. 5091. GR 015 GR336. 5170. GR 015 NC 0.3 0.5 NC 029 * * 001 * Section 228 D/S Face Tennant Ave. Culvert (12'x 6' RCB) * 001 * * 001 X1228. 9. 4994. 5006. 200. 100. 166. X1 053 X310. 335. 335. X3 055 GR336. 4785. 335. 4935. 334. 4955. 322.8 4994. 322.8 5000. GR 015 GR322.8 5006. 332. 5035. 334. 5060. 336. 5170. GR 015 NC.020 .020 .014 NC 029 * * 001 SC1.014 0.2 3.0 6.0 12.0 167. 9.2 323.3 322.8 SC 037 * * 001 * Section 230 U/S Face Tennant Ave. Culvert * 001 * * 001 X1230. 15. 4993.9 5006.1 130. 50. 167. X1 053 X2 2. 336.3 X2 054 X310. 336.3 336.3 X3 055 BT-15. 4230. 337.6 4938. 337.0 4966. 337.0 BT 005 BT 4980. 337.0 4985. 337.0 4992.9 336.9 BT 005 BT 4993.9 336.9 4994. 336.9 5000.0 336.9 BT 005 BT 5006. 336.9 5006.1 336.9 5007.1 336.9 BT 005 BT 5075. 336.3 5160. 336.9 5270. 338.2 BT 005 GR337.6 4230. 336. 4938. 334. 4966. 332. 4980. 331. 4985. GR 015 GR330.8 4992.9 330.8 4993.9 323.3 4994. 323.3 5000. 323.3 5006. GR 015 GR330.8 5006.1 330.8 5007.1 334. 5075. 336. 5160. 338. 5270. GR 015 NC.040 .040 NC 029 * * 001 * Section 232 Fully Expanded Section U/S Tennant Ave. (1:1) * 001 * * 001 X1232. 11. 4970. 5036. 200. 10. 32. X1 053 GR338. 4160. 336. 4930. 334. 4958. 332. 4970. 323.4 4994. GR 015 GR323.4 5000. 323.4 5006. 332. 5036. 334. 5080. 336. 5160. GR 015 GR338. 5290. GR 015 NC .035 0.1 0.3 NC 029 * * 001 * Section 234 to 236 2' Rock Drop Structure * 001 * * 001 X1234. 13. 4968. 5038. 1030. 1290. 1215. X1 053 GR341. 3518. 340. 4060. 340. 4240. 338. 4560. 336. 4850. GR 015 GR336. 4937. 334. 4968. 327.0 4994. 327.0 5000. 327.0 5006. GR 015 GR335. 5038. 336. 5050. 338. 5085. GR 015 * * 001 X1236. 13. 4968. 5038. 12. 12. 12. X1 053 GR341. 3518. 340. 4060. 340. 4240. 338. 4560. 336. 4850. GR 015 GR336. 4937. 334. 4968. 329.0 4994. 329.0 5000. 329.0 5006. GR 015 GR335. 5038. 336. 5050. 338. 5085. GR 015 * * 001 * Section 238 to 240 2' Rock Drop Structure * 001 * * 001 X1238. 10. 4967. 5038. 488. 488. 488. X1 053 GR342. 4580. 340. 4750. 340. 4950. 338. 4967. 330.5 4994. GR 015 GR330.5 5000. 330.5 5006. 338. 5038. 340. 5070. 342. 5200. GR 015 * * 001 X1240. 10. 4967. 5038. 12. 12. 12. X1 053 GR342. 4580. 340. 4750. 340. 4950. 338. 4967. 332.5 4994. GR 015 GR332.5 5000. 332.5 5006. 338. 5038. 340. 5070. 342. 5200. GR 015 * * 001 * Section 242 Check Dam at Barrett Avenue - physically removed or washes out * 001 * * 001 X1242. 10. 4970. 5038. 138. 138. 138. X1 053 GR343. 4570. 342. 4670. 342. 4952. 340. 4970. 332.9 4994. GR 015 GR332.9 5000. 332.9 5006. 340. 5038. 342. 5100. 342.6 5175. GR 015 * * 001 * Section 246 to 248 2' Rock Drop Structure * 001 * * 001 X1246. 8. 4970. 5030. 350. 350. 350. X1 053 GR344. 4660. 342. 4970. 335.0 4994. 335.0 5000. 335.0 5006. GR 015 GR340. 5030. 342. 5055. 344. 5120. GR 015 * * 001 X1248. 8. 4970. 5030. 12. 12. 12. X1 053 GR344. 4660. 342. 4970. 336.0 4994. 336.0 5000. 336.0 5006. GR 015 GR340. 5030. 342. 5055. 344. 5120. GR 015 * * 001 * Section 250 to 252 1' Rock Drop Structure * 001 * * 001 X1250. 7. 4968. 5030. 488. 488. 488. X1 053 GR347.5 4920. 346. 4968. 337.5 4994. 337.5 5000. 337.5 5006. GR 015 GR344. 5030. 346. 5100. GR 015 * * 001 X1252. 7. 4968. 5030. 12. 12. 12. X1 053 GR347.5 4920. 346. 4968. 338.5 4994. 338.5 5000. 338.5 5006. GR 015 GR344. 5030. 346. 5100. GR 015 * * 001 * Section 254 Check Dam at San Pedro Ave. (physically removed or washes out) * 001 * * 001 X1254. 8. 4970. 5025. 800. 800. 800. X1 053 GR350. 4850. 348. 4970. 340.9 4994. 340.9 5000. 340.9 5006. GR 015 GR346. 5025. 348. 5038. 350. 5220. GR 015 * * 001 * Section 258 Check Dam (physically removed or washes out) * 001 * * 001 X1258. 9. 4960. 5034. 920. 1060. 1000. X1 053 GR356. 4160. 354. 4950. 352. 4960. 343.9 4994. 343.9 5000. GR 015 GR343.9 5006. 352. 5034. 354. 5082. 356. 5108. GR 015 * * 001 * Section 262 to 264 2' Rock Drop Structure * 001 * * 001 X1262. 19. 4967. 5032. 60. 90. 88. X1 053 X310. 354.7 356.8 X3 055 GR356. 4230. 354. 4500. 353.5 4680. 354. 4750. 354.7 4850. GR 015 GR354. 4955. 352. 4967. 344.2 4994. 344.2 5000. 344.2 5006. GR 015 GR352. 5032. 354. 5042. 356. 5090. 356.8 5125. 356. 5170. GR 015 GR354. 5212. 353. 5240. 354. 5265. 356. 5370. GR 015 * * 001 X1264. 19. 4967. 5032. 12. 12. 12. X1 053 X310. 354.7 356.8 X3 055 GR356. 4230. 354. 4500. 353.5 4680. 354. 4750. 354.7 4850. GR 015 GR354. 4955. 352. 4967. 346.2 4994. 346.2 5000. 346.2 5006. GR 015 GR352. 5032. 354. 5042. 356. 5090. 356.8 5125. 356. 5170. GR 015 GR354. 5212. 353. 5240. 354. 5265. 356. 5370. GR 015 * * 001 * Section 265 Fully Expanded Flow D/S East Dunne Ave. Culvert (4:1) * 001 * * 001 QT1. 600. QT 034 X1265. 11. 4974. 5038. 480. 484. 484. X1 053 GR360. 4020. 358. 4350. 356. 4650. 355. 4958. 354. 4974. GR 015 GR347.7 4994. 347.7 5000. 347.7 5006. 356. 5038. 358. 5062. GR 015 GR360. 5135. GR 015 NC 0.3 0.5 NC 029 * * 001 * Section 266 D/S Face East Dunne Ave. Culvert (12'x 6' RCB) * 001 * 1' Drop at RCB Exit * 001 * * 001 X1266. 9. 4994. 5006. 250. 50. 104. X1 053 X310. 358. 358. X3 055 GR360. 4150. 358. 4718. 356. 4975. 347.9 4994. 347.9 5000. GR 015 GR347.9 5006. 356. 5038. 358. 5065. 360. 5100. GR 015 NC.020 .020 .014 NC 029 * * 001 SC1.014 0.2 3.0 6. 12. 199. 9.1 349.4 348.9 SC 037 * * 001 * Section 270 U/S Face East Dunne Ave. Culvert * 001 * * 001 X1270. 13. 4993.9 5006.1 180. 120. 199. X1 053 X2 2. 360.1 X2 054 X310. 360. 360. X3 055 BT-13. 3975. 361.2 4900. 360.2 4985. 360.1 BT 005 BT 4992.9 360.1 4993.9 360.1 4994. 360.1 BT 005 BT 5000. 360.2 5006. 360.3 5006.1 360.3 BT 005 BT 5007.1 360.4 5120. 361.5 5200. 361.8 BT 005 BT 5230. 361.8 BT 005 GR361.2 3975. 360. 4900. 358. 4985. 356. 4992.9 356. 4993.9 GR 015 GR349.4 4994. 349.4 5000. 349.4 5006. 358. 5006.1 358. 5007.1 GR 015 GR360. 5120. 360. 5200. 362. 5230. GR 015 NC.040 .040 NC 029 * * 001 * Section 271 Fully Expanded Flow U/S Dunne Ave. (1:1) * 001 * * 001 X1271. 11. 4970. 5035. 90. 20. 32. X1 053 GR362. 3960. 360. 4235. 360. 4910. 358. 4970. 349.5 4994. GR 015 GR349.5 5000. 349.5 5006. 358. 5035. 360. 5100. 360. 5200. GR 015 GR362. 5250. GR 015 NC .035 0.1 0.3 NC 029 * * 001 X1272. 10. 4960. 5045. 850. 880. 880. X1 053 GR364. 4330. 362. 4526. 360. 4960. 351.7 4994. 351.7 5000. GR 015 GR351.7 5006. 358. 5045. 360. 5070. 362. 5120. 362.4 5150. GR 015 * * 001 * Section 274 Check Dam (assumed removed or washed out) * 001 * * 001 X1274. 9. 4965. 5060. 870. 970. 930. X1 053 GR367.2 4160. 366. 4400. 366. 4930. 364. 4965. 354.0 4994. GR 015 GR354.0 5000. 354.0 5006. 366. 5060. 367.1 5120. GR 015 * * 001 X1278. 9. 4958. 5042. 1340. 1340. 1340. X1 053 GR372. 4530. 370. 4880. 368. 4958. 357.4 4994. 357.4 5000. GR 015 GR357.4 5006. 366. 5042. 368. 5060. 369.6 5120. GR 015 * * 001 * Section 279. Fully Expanded Section D/S Main Ave. (4:1) * 001 * * 001 X1279. 9. 4960. 5042. 760. 780. 770. X1 053 GR374. 4563. 372. 4900. 370. 4960. 359.3 4994. 359.3 5000. GR 015 GR359.3 5006. 370. 5042. 372. 5080. 373. 5110. GR 015 NC 0.3 0.5 NC 029 * * 001 * Section 280. D/S Face Main Ave. Culvert (Double 6'x6' RCB) * 001 * * 001 X1280. 9. 4970. 5030. 136. 136. 136. X1 053 X310. 375. 375. X3 055 GR374. 4580. 372. 4925. 370. 4970. 359.6 4994. 359.6 5000. GR 015 GR359.6 5006. 370. 5030. 372. 5060. 374. 5115. GR 015 NC.020 .020 .014 NC 029 * * 001 SC2.014 0.2 3.0 200. 6. 6. 204. 9.2 360.1 359.6 SC 037 * * 001 * Section 290 U/S Face Main Ave. Culvert * 001 * * 001 X1290. 10. 4993.9 5006.1 204. 204. 204. X1 053 X2 2. 374. X2 054 X310. 374. 374. X3 055 GR377.8 4540. 376. 4565. 374. 4950. 367.1 4993.9 360.1 4994. GR 015 GR360.1 5000. 360.1 5006. 367.1 5006.1 374. 5040. 374.8 5130. GR 015 NC.040 .040 NC 029 * * 001 * Section 290.5 U/S Wingwalls * 001 * * 001 X1291. 11. 4978. 5022. 28. 28. 28. X1 053 X3 4972. 5028. X3 055 GR377.5 4540. 376. 4565. 374. 4942. 367.1 4978. 360.2 4994. GR 015 GR360.2 5000. 360.2 5006. 367.1 5022. 372. 5040. 374. 5062. GR 015 GR375. 5130. GR 015 NC .035 NC 029 * * 001 * Section 291 Fully Expanded Flow U/S Main Ave. * 001 * * 001 X1291. 10. 4960. 5040. 20. 20. 20. X1 053 GR377.3 4540. 376. 4565. 374. 4945. 372. 4960. 360.25 4994. GR 015 GR360.255000. 360.25 5006. 372. 5040. 374. 5072. 375.1 5125. GR 015 NC 0.1 0.3 NC 029 * * 001 * Section 292 Check Dam (assumed removed or washed out) * 001 * * 001 X1292. 9. 4952. 5060. 1230. 1240. 1240. X1 053 GR379.4 4680. 378. 4765. 376. 4952. 363.4 4994. 363.4 5000. GR 015 GR363.4 5006. 376. 5060. 378. 5110. 378.4 5130. GR 015 * * 001 * Section 296 Check Dam (assumed removed or washed out) * 001 * * 001 X1296. 9. 4950. 5060. 600 600. 600. X1 053 GR382. 4500. 380. 4930. 378. 4950. 364.9 4994. 364.9 5000. GR 015 GR364.9 5006. 376. 5060. 378. 5072. 379.5 5125. GR 015 * * 001 X1300. 11. 4950. 5060. 1000. 1000. 1000. X1 053 GR380. 4590. 379.1 4750. 378. 4950. 376. 4962. 367.4 4994. GR 015 GR367.4 5000. 367.4 5006. 376. 5033. 378. 5060. 378.8 5110. GR 015 GR379.4 5210. GR 015 * * 001 X1302. 12. 4970. 5036. 1260. 1300. 1280. X1 053 X310. X3 055 GR380. 4740. 378. 4970. 371.4 4994. 371.4 5000. 371.4 5006. GR 015 GR378. 5036. 378. 5045. 376. 5060. 374. 5118. 374. 5252. GR 015 GR376. 5355. 380. 5400. GR 015 * * 001 * Section 306. D/S Cochrane Road (End Channel) * 001 * * 001 QT2. 1. 1. QT 034 X1306. 7. 4970. 5020. 1150. 1100. 1130. X1 053 GR382. 4820. 380. 4970. 374.8 4994. 374.8 5000. 374.8 5006. GR 015 GR378. 5020. 379.5 5065. GR 015 EJ EJ 012 BLANK_LINE 004 BLANK_LINE 004 BLANK_LINE 004 ER ER 013