Section 01 30 00_10 Table A.pdf

Charleroi Upper and Lower Guard Walls

TABLE A

UPPER POOL - MONONGAHELA RIVER LOCKS AND DAM 4

SIGNIFICANT STAGE-DISCHARGE-DURATION RELATIONSHIPS

FLOW RECORDS USED WERE FROM 1940-98

TABULATED VALUES ARE AVG % OF THE TIME THAT THE POOL (COL 1)

& CORRESPONDING DISCHARGE (COL 2) ARE EXCEEDED

Pool El., ft Q cfs Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Min pool = El. 743.5 (Normal Pool)

743.5 0 100 100 100 100 100 100 100 100 100 100 100 100 100 743.5-744.5 700 100 100 100 100 100 99 97 96 93 93 97 99 98 743.5-744.5 2000 95 97 99 100 94 71 59 51 41 50 82 94 78 743.5-744.5 3500 85 91 97 92 77 48 35 31 22 25 62 83 62 743.5-744.5 5000 74 84 93 81 62 35 24 21 14 17 45 73 52 743.5-744.5 10000 49 58 69 52 34 16 9 10 5 7 21 44 31 743.5-744.5 20000 20 26 33 19 13 7 3 3 1 2 6 16 13 743.5-744.5 30000 9 12 16 8 6 3 1 1 1 1 2 7 6 743.5-744.5 50000 2 2 2 1 1 1 0.1 0.2 <0.1 0.2 0.4 2 1

744.5 75000 0.5 1 1 0.2 0.1 0.2 <0.1 0.1 <0.1 0.1 0.1 1 0.3 Top of walls, existing locks, = El. 749.0

749.0 104000 0.1 0.1 0.2 0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 <0.1 Top of spur dike = El. 750.0

750.0 111000 0.1 0.1 0.2 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 <0.1 10-Year flood El. = 754.4

754.4 140000 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 50-Year flood El. = 760.3

760.3 180000 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 100-Year flood El. = 762.9

762.9 198000 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 500-Year flood El. = 769.9

768.6 240000 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1

SECTION 01 30 00.10 TABLE A