Homme Dam SOW drawings for concrete coring_30Jul08.pdf

A

B C D

E F G H

A B C D E F G H

St. Paul District

SHT 1 OF 1

SPILLWAY

PLAN

U/S

SLAB

FLEXIBLE

SLAB

CREST

STRUCTURE

STILLING

BASIN

SIDEWALL 1 SIDEWALL 2 SIDEWALL 3 SIDEWALL 4

SIDEWALL 5 SIDEWALL 6

TOP OF DAM

D/S EMBANKMENT

TOE

PZ 27 SHEET PILE

CUT - OFF WALL

70 FT81.65 FT73.86 FT41.5 FT37.0 FT

20 FT

MONOLITHIC

CHUTE SLAB

A

B C D

E F G H

A B C D E F G H

SHT 1 OF 1

SPILLWAY

PLAN

U/S

SLAB

FLEXIBLE

SLAB

CREST

STRUCTURE

STILLING

BASIN

SIDEWALL 1 SIDEWALL 2 SIDEWALL 3 SIDEWALL 4

SIDEWALL 5 SIDEWALL 6

TOP OF DAM

D/S EMBANKMENT

TOE

70 FT81.65 FT73.86 FT41.5 FT37.0 FT

20 FT

MONOLITHIC

CHUTE SLAB

xx x x x x x x x x x x x x x x x x x x x x x x x x x x

SASW TEST POINTS

(27 POINTS)

SPILLWAYSPILLWAY

ELEVATION

x

LEGEND

sasw - spectral analysis of surface waves test locations (27 tests) ie - impact echo test locations (650 tests) distance from wall in feet for ndt test grid

LOCATION OF EPOXY INJECTION

AND FIRST 3 CONCRETE CORES

OBTAINED IN AUGUST 2004.

NOTE: ONE ADDITIONAL CORE

TAKEN FROM NEXT MONOLITH

TO THE EAST (PANEL #4).

scale in feet

0 50 100 locations of apparent anomilies from the impact echo tests. Test has has been identified as an Anomily if it is one standard deviation or greater from the average reading based on design thickness or test reading averages for that line of tests.

HOMME

DAM

NDT-02

20.6 FT

OLD CONCRETE

CORE LOCATIONS (5)

PROPOSED 3-INCH concrete core locations

OLD concrete core locations b6ecdwm7 Text Box b6ecdwm7 Text Box Note: Drawing dimensions are in mm unless shown otherwise.

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