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Guadalupe River @ Williams Pipeline Crossing, South of Victoria, TX. Bank erosion is threatening pipeline integrity Co-designed by River Research & Design, Inc. & Submar, Inc. Contractor: Submar, Inc. Not a flashy stream, stays on the flood for months at a time
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Guadalupe River @ Williams Pipeline Crossing, South of Victoria, TX • Bank erosion is threatening pipeline integrity • Co-designed by River Research & Design, Inc. & Submar, Inc. Contractor: Submar, Inc. • Not a flashy stream, stays on the flood for months at a time • Bed material: sand-silt-clay, not incised, rural. • Pool-riffle-pool regime, slope < 1% • Average width 100-150 ft, 10-18 ft tall banks
Looking US at the exposed pipeline. PRE-PROJECT Guadalupe River @ Williams Pipeline-derrick-Oct 1, 2004
Looking DS at the exposed pipeline. PRE-PROJECT Guadalupe River @ Williams Pipeline-derrick-Oct 1, 2004
Very hot down in Victoria, TX {103 degrees}. This was the coldest day, it hit 112 degrees some days. We cut several hundred willows & soaked them for 10 days, then planted & watered them in (July-Aug time frame). CONSTRUCTION-Guadalupe River @ Pipeline-John Lewis-July 2005
The constructed soaking pool for the willows. CONSTRUCTION-Guadalupe River @ Pipeline-Derrick – June 3, 2005
Looking US. Prepping bank for willows. CONSTRUCTION-Guadalupe River @ Pipeline-John Lewis-July 2005
Looking down slope @ row of willows. CONSTRUCTION-Guadalupe River @ Pipeline-John Lewis-June 17, 2005
Looking US. Watering in Live Siltation willows CONSTRUCTION-Guadalupe River @ Pipeline-John Lewis-July 2005
Looking DS @ willows and stone protection. CONSTRUCTION-Guadalupe River @ Pipeline-John Lewis-June 17, 2005
High water. Looking downhill @ riprap & willows. 13 MONTHS LATER-Guadalupe River Mark Bordelon 10-12-05
THE BEFORE & AFTERSLOOKING FROM UPSTREAM TO DOWNSTREAM
From US project limits, looking DS. PRE-PROJECT Guadalupe River @ Williams Pipeline-derrick-Oct 1, 2004
From US project limits, looking DS. 26 MONTHS LATER-Guadalupe River @ Williams Pipeline-derrick 11-6-07
Looking DS at the exposed pipeline. PRE-PROJECT Guadalupe River @ Williams Pipeline-derrick-Oct 1, 2004
Looking DS @ the protected pipeline. 26 MONTHS LATER-Guadalupe River @ Williams Pipeline-derrick 11-6-07
Looking DS at the exposed pipeline. PRE-PROJECT Guadalupe River @ Williams Pipeline-derrick-Oct 1, 2004
From top bank, looking across @ the protected pipeline. 26 MONTHS LATER-Guadalupe River @ Williams Pipeline-derrick 11-6-07
Looking DS, good deposition on stone, dense willows. 26 MONTHS LATER-Guadalupe River @ Williams Pipeline-derrick 11-6-07
Uphill from the willows, good deposition on riprap. 26 MONTHS LATER-Guadalupe River @ Williams Pipeline-Derrick 11-6-07
Thick ridge of deposition DS of willows. 26 MONTHS LATER-Guadalupe River @ Williams Pipeline-Derrick 11-6-07
Native willow seedlings growing on deposition on riprap. 26 MONTHS LATER-Guadalupe River @ Williams Pipeline-derrick 11-6-07