EAST TIMOTHY LAKE and DAM
Stabilization and HAER Photos

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0-East Timothy Lake Dam after stabilization 01-East Timothy Stabilization, Columbia Boeing Chinook CH-47 flying equipment from Mill Park to East Timothy Lake 01a-East Timothy Stabilization, helicopter transports materials 01b-East Timothy Stabilization, helicopter delivers materials to site 01c-East Timothy Stabilization, Chinook CH47 helicopter
0-East Timothy Lake Dam after stabilization.jpg 01-East Timothy Stabilization, Columbia Boeing Chinook CH-47 flying equipment from Mill Park to East Timothy Lake.jpg 01a-East Timothy Stabilization, helicopter transports materials.jpg 01b-East Timothy Stabilization, helicopter delivers materials to site.jpg 01c-East Timothy Stabilization, Chinook CH47 helicopter.jpg
02-East Timothy Stabilization, DCWCD crew 03-East Timothy Stabilization, fuel containment cover in place in preparation for blast 03b-East Timothy Stabilization, US Forest Service pack train arrives bringing supplies to crew 04-East Timothy Stabilization, trackhoes and skidsteers excavate breach in dam 05-East Timothy Stabilization, material removed from dam, transported in assembly line to spoil areas
02-East Timothy Stabilization, DCWCD crew.jpg 03-East Timothy Stabilization, fuel containment cover in place in preparation for blast.jpg 03b-East Timothy Stabilization, US Forest Service pack train arrives bringing supplies to crew.jpg 04-East Timothy Stabilization, trackhoes and skidsteers excavate breach in dam.jpg 05-East Timothy Stabilization, material removed from dam, transported in assembly line to spoil areas.jpg
06-East Timothy Stabilization, blasting rock-July 2-3, 2010 06a-East Timothy Stabilization, Forest Service blasters drilling and setting charge holes for blasting 06b-East Timothy Stabilization, blasting rock, July 2-3, 2010 07-East Timothy Stabilization, four trackhoes were used to excavate breach, six skidsteers hauled material to spoil pile 08-East Timothy Stabilization, all four trackhoes working in breach before placing cut-off walls and riprap
06-East Timothy Stabilization, blasting rock-July 2-3, 2010.jpg 06a-East Timothy Stabilization, Forest Service blasters drilling and setting charge holes for blasting.jpg 06b-East Timothy Stabilization, blasting rock, July 2-3, 2010.jpg 07-East Timothy Stabilization, four trackhoes were used to excavate breach, six skidsteers hauled material to spoil pile.jpg 08-East Timothy Stabilization, all four trackhoes working in breach before placing cut-off walls and riprap.jpg
EAst Timothy stabilization 06a-East Timothy Stabilization, Forest Service blasters drilling and setting charge holes for blasting 06b-East Timothy Stabilization, blasting rock, July 2-3, 2010 07-East Timothy Stabilization, four trackhoes were used to excavate breach, six skidsteers hauled material to spoil pile EAst Timothy stabilization
09-East Timothy Stabilization, DCWCD and UCC crews install head structure designed for up to 30lb back pressure.jpg 1-East Timothy Lake Photo courtesy of Moon Lake Water Users Association.jpg 10-East Timothy Stabilization, crew batch and pour cement on new head structure on existing outlet pipe.jpg 11-East Timothy Stabilization, new head structure with concrete poured around existing outlet pipe.jpg 12-East Timothy Stabilization, gabion cutoff walls with forms and #9 wires.jpg
13-East Timothy Stabilization, crew mix and deliver cement for gabion cutoff walls 14-East Timothy Stabilization, first and second gabion cutoff walls poured in place, looking upstream 15-East Timothy Stabilization, pouring 3rd gabion basket using skidsteer for transporting cement 15a-East Timothy Stabilization, gabion construction 16-East Timothy Stabilization, looking upstream at three gabion walls in place
13-East Timothy Stabilization, crew mix and deliver cement for gabion cutoff walls.jpg 14-East Timothy Stabilization, first and second gabion cutoff walls poured in place, looking upstream.jpg 15-East Timothy Stabilization, pouring 3rd gabion basket using skidsteer for transporting cement.jpg 15a-East Timothy Stabilization, gabion construction.jpg 16-East Timothy Stabilization, looking upstream at three gabion walls in place.jpg
17-East Timothy Stabilization, trackhoe excavating lake connection channel 18-East Timothy Stabilization, skidsteer transporting riprap and fines while trackhoes place riprap on breach 19-East Timothy Stabilization, cutting 48-inch gate well tower with torch 2-East Timothy Lake Photo courtesy of Moon Lake Water Users Association 20-East Timothy Stabilization, preparing for confined space entrance into gate well
17-East Timothy Stabilization, trackhoe excavating lake connection channel.jpg 18-East Timothy Stabilization, skidsteer transporting riprap and fines while trackhoes place riprap on breach.jpg 19-East Timothy Stabilization, cutting 48-inch gate well tower with torch.jpg 2-East Timothy Lake Photo courtesy of Moon Lake Water Users Association.jpg 20-East Timothy Stabilization, preparing for confined space entrance into gate well.jpg
21-East Timothy Stabilization, welding in gate well 22-East Timothy Stabilization, welding steel plate on downstream end of pipe 23-East Timothy Stabilization, 4-inch vent pipe on upstream structure used for grouting, was broken off when grouting was completed 24-East Timothy Stabilization, 3x3x3 gabion at downstream end of pipe 25-East Timothy Stabilization, looking upstream to sand filter and pea gravel drain in place on downstream side of outlet pipe
21-East Timothy Stabilization, welding in gate well.jpg 22-East Timothy Stabilization, welding steel plate on downstream end of pipe.jpg 23-East Timothy Stabilization, 4-inch vent pipe on upstream structure used for grouting, was broken off when grouting was completed.jpg 24-East Timothy Stabilization, 3x3x3 gabion at downstream end of pipe.jpg 25-East Timothy Stabilization, looking upstream to sand filter and pea gravel drain in place on downstream side of outlet pipe.jpg
26-East Timothy Stabilization, looking upstream to completed breach with water flowing through 3-East Timothy Lake Photo courtesy of Moon Lake Water Users Association 4-East Timothy Lake Photo courtesy of Moon Lake Water Users Association 5-East Timothy Lake Photo courtesy of Moon Lake Water Users Association 6-East Timothy Lake Photo courtesy of Moon Lake Water Users Association
26-East Timothy Stabilization, looking upstream to completed breach with water flowing through.jpg 3-East Timothy Lake Photo courtesy of Moon Lake Water Users Association.jpg 4-East Timothy Lake Photo courtesy of Moon Lake Water Users Association.jpg 5-East Timothy Lake Photo courtesy of Moon Lake Water Users Association.jpg 6-East Timothy Lake Photo courtesy of Moon Lake Water Users Association.jpg
7-East Timothy Lake Photo courtesy of Moon Lake Water Users Association 8-East Timothy Lake Photo courtesy of Moon Lake Water Users Association HAER photo of East Timothy Lake looking west, July 1985 HAER photo of corrugated steel cover over outlet gate valve, looking north at East Timothy Lake, July 1985 HAER photo of seepage control reinforcement on downstream face of East Timothy Lake Dam, July 1985
7-East Timothy Lake Photo courtesy of Moon Lake Water Users Association.jpg 8-East Timothy Lake Photo courtesy of Moon Lake Water Users Association.jpg HAER photo of East Timothy Lake looking west, July 1985.jpg HAER photo of corrugated steel cover over outlet gate valve, looking north at East Timothy Lake, July 1985.jpg HAER photo of seepage control reinforcement on downstream face of East Timothy Lake Dam, July 1985.jpg
HAER photo of upstream face of East Timothy Lake Dam, looking east, July 1985 HAER photo of upstream face of East Timothy Lake Dam, spillway in background, July 1985 HAER photo showing downstream face of East Timothy Lake Dam with outlet channel, July 1985
HAER photo of upstream face of East Timothy Lake Dam, looking east, July 1985.jpg HAER photo of upstream face of East Timothy Lake Dam, spillway in background, July 1985.jpg HAER photo showing downstream face of East Timothy Lake Dam with outlet channel, July 1985.jpg