Divers to cap the drain pipe in upper lake
This barrel, another smaller barrel and plywood went over the end of the 18in pipe
Kevin cleaned up the stumps, graded and seeded the dam
Melvin came to stock the fish - this is a sample of the crawfish
Melvin and the transport tanks
Shiners for feed fish
Putting in the bass
Horned pout
Blue gill
Upper lake 3/29 about 4 ft down
Lower lake 3/29 about 6 ft down
Sand bags were move to higher ground
The otter liked the ice cracks
Preparing to fix the valve
Everything had to be melted with propane
The rubber cap to pressure test
After the pressure test. No leakage!
One day of filling
Placing support block
First location too low
Old valve
New location should be above high water
Taking final as-builts
Closing valve
Pumping mortar in between pipes
Watching for mortar to flow from uppper end through white pipe at top of bulkhead
Mounting valve
Pump and coffer dam
It's not easy to position something this heavy
Completed assembly
Water flowing through valve assembly and trash rack
Platforms to support excavator on mud
Moving pipe
Cleaning up end of old culvert
"Bull nose"
Here it goes!
Back and forth with excavator
Final push
Extra cut off
The notch has been repaired
Fusion welder for 18 in pipe
Adding flange at end of 200 ft of pipe
The new 18 in valve
Repairing slough
Packing material on first level
Building up levels and packing every 12 in of material
Remote control packer weighs 3500 lbs
Testing packing density
Terracing notch
Excavator tracking into shear gate
Excavator on built out rock platform
Reaching down for shear gate
A small hole started in pipe
First rush from pulling off shear gate
Full open
Tracking back out
Downstream Waterman Brook with 24 in gate open
Lowest the lake has been
Lake back up a foot because of rain. Pallet in foreground is where shear gate is.
Placing 12 in pump
Locating on isolation platform
Unloading piping
Pump in operation
Siphon over crest running less than 1/2
Making platform for 2nd pump
Moving 2nd pump
Placing pump near water's edge
2 pumps and 2 siphons drawing down the lake!
Lake is down 147in.
View from South end next to beach.
South end.
Upper dam near beach.
Outlet pipe from upper dam.
50 ft wide slogh after big rain
Lake level up 6 in from rain with 2 pumps running
View looking up to top of dam
From top
Before trees are cleared
Logging begins Sept 18, 2006
Assembling the 12 in siphon
These are big pipes!
First try worked, but did leak slightly
Openning the valve.
Don fills siphon at top.
Note the tie downs to keep pipes together.
According to D&K this is 5500 gal/min.
Just starting to draw down.
Lake down about 14 in
We will replace this trash rack!
After back flushing, cleaning the mud out.
This is full flow.
Moving the second siphon
Second siphon going on 10/3/06
No restrictions on second siphon
Western shoreline from lower dam.
Lake is down 4 1/2 feet
View along lower dam, lake down 4 1/2 feet.
Outlet from dam with two siphons. Waterman brook at Rt 112.
Eastern shoreline 4 1/2 feet down.
Western shoreline
Log corking end of siphon 2
Log was wedged in very tightly!
Valve to eliminate air gap
Second siphon starting again
Initial rush after cap is removed
Float removed to lower end of siphon
Priming the siphon
Note that flow is less than before
Western shoreline with lake down 10 ft