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AVILLA EASTLAKELOTS 1 TO 6 & LOT A, BLOCK 3, WASHINGTON CENTER SUBDIVISION FILINGNO. 1, LOCATED IN THE WEST HALF OF SECTION 35, TOWNSHIP 1 SOUTH,

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ISSUE DATE:DATE REVISION COMMENTS

PROJECT #:11-18-2016 160611

03-23-2018 GENERAL REVISIONS

06-08-2018 GENERAL REVISIONS

SHEET INDEX1 COVER2 HISTORIC DRAINAGE PATTERN3 PROPOSED DRAINAGE PATTERN

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ISSUE DATE:DATE REVISION COMMENTS

SHEET NO.

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PROJECT #:

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Denver, Colorado 80203

P: 303.623.6300 F: 303.623.6311

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AVILLA EASTLAKEHISTORIC DRAINAGE PLAN

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ISSUE DATE:DATE REVISION COMMENTS

SHEET NO.

DESIGNED BY:CHECKED BY:DRAWN BY:

PROJECT #:

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P: 303.623.6300 F: 303.623.6311

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AVILLA EASTLAKEPROPOSED DRAINAGE PLAN

NEXMETRO COMMUNITIES03-23-2018 GENERAL REVISIONS

06-08-2018 GENERAL REVISIONS

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RUNOFF SUMMARY TABLEBASIN AREA (AC) DESIGN POINT Q5 (CFS) Q100 (CFS)

A1 3.35 1 4.89 14.72A2 1.54 1 2.18 6.57A3 1.57 1 2.04 6.14A4 1.23 1 1.67 5.03A5 2.94 1 3.79 11.41A6 2.09 1 2.65 7.97A7 1.74 1 2.2 6.62A8 2.39 1 4.83 14.52A9 3.84 1 5.14 15.46

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BASINDESIGNATION

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C COEFFICIENT

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OS 10.450.67

1.23AC

BASIN

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BASIN VOLUME INFORMATIONWATERSHED AREA 26.92 AC

STAGE ELEVATION DEPTH (FT) AREA (SF) AREA (AC) VOLUME (CF) VOLUME(AC-FT)

WQCV 5305.39 2.39 13355 0.307 23184 0.532EURV 5308.43 5.43 21587 0.496 73452 1.686

100 YEAR 5310.33 7.33 27373 0.628 122769 2.818