Figure 30.-Right diversion tunnel plug details-Plan, elevation, and sections. (Sheet 1 of 2.)

requirements

All grout tubing to be anchored securely before concrete
is placed

Connect tubing across contraction joints with expension
couplings

The embedded end of thermometer tubing to be flattened
and crimped to seal against leakage.

After tunnel plug has been placed, remove valve, close
shut-off gate, backfill 18" pipe with concrete, cut off
wire rope at end of pipe, install blind flange, and
grout the pipe.

For details of grout outlets for contraction joint

grouting, see Dwg. 40-D-5434.

Cool and complete funnel plug grouting before placing
backfill concrete.

Cool and complete grouting of backfill concrete before
completing spillway lining

ZZZZZ Diversion tunnel lining.

Plug and backfill concrete

Spillway tunnel lining

Figure 30.-Right diversion tunnel plug details-Plan, elevation, and sections. (Sheet 2 of 2.)

NOTE

For general notes, concrete finishes, and explanation, see Dwg 557-0-2218.

1-20-43

DELETED PERIMETER GROUT MOLES

Figure 31.-Left diversion tunnel outlet works-7.0- by 10.5-foot outlet gates installation.

Figure 32.-Left diversion tunnel outlet works-7.0- by 10.5-foot outlet gates assembly.