Section 01 30 00_10 Table C.pdf

Charleroi Upper and Lower Guard Walls

TABLE C

LOWER 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. 726.9 (Normal Pool)

726.9 0 100 100 100 100 100 100 100 100 100 100 100 100 100

727.5 1500 97 98 100 100 97 83 74 67 59 66 88 96 85

728.0 2800 90 94 98 96 85 59 46 40 31 37 71 88 70

729.0 5500 71 81 91 78 59 33 22 19 13 16 42 70 50

730.0 9000 53 63 74 57 39 18 11 12 6 8 25 49 35

731.0 12500 40 47 58 42 26 12 7 7 3 5 15 34 25

732.0 16000 30 38 46 30 19 9 5 5 2 3 10 24 18

733.0 20500 20 25 32 19 13 7 3 3 1 2 5 16 12

734.0 25500 13 17 22 11 9 5 2 2 1 1 3 10 8

735.0 30000 9 12 16 8 6 3 1 1 0.6 0.8 2 7 6

736.0 35000 5 7 9 4 4 2 0.5 0.5 0.3 0.5 0.8 4 3

737.0 40000 4 5 6 2 3 2 0.3 0.3 0.2 0.4 0.6 3 2

738.0 45500 3 3 4 1 1 1 0.1 0.2 0.1 0.2 0.4 2 1

739.0 51500 2 2 2 1 1 0.9 0.1 0.2 <0.1 0.2 0.4 1 1

740.0 57000 1 2 2 0.8 0.7 0.7 0.1 0.2 <0.1 0.1 0.3 1 0.8

741.0 63500 0.9 1 1 0.5 0.4 0.5 0.1 0.2 <0.1 0.1 0.2 1 0.6

742.0 69500 0.6 1 0.8 0.3 0.2 0.3 <0.1 0.1 <0.1 0.1 0.2 0.7 0.4

743.0 76000 0.5 0.8 0.7 0.2 0.1 0.2 <0.1 0.1 <0.1 0.1 0.1 0.6 0.3

744.0 82500 0.3 0.5 0.5 0.2 0.1 0.1 <0.1 0.1 <0.1 0.1 0.1 0.4 0.2

745.0 89000 0.2 0.2 0.4 0.1 <0.1 0.1 <0.1 0.1 <0.1 <0.1 0.1 0.2 0.1

746.0 96000 0.2 0.1 0.3 0.1 <0.1 0.1 <0.1 <0.1 <0.1 <0.1 0.1 0.1 0.1

747.0 102000 0.1 0.1 0.3 0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 <0.1

748.0 108000 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 walls, existing locks, = El. 749.0

749.0 114000 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

Top of stub wall = El. 751.0

751.0 125000 <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

10-Year flood El. = 753.2

753.2 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. = 759.2

759.2 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. = 761.7

761.7 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. = 768.6

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 C