Final Baseline Hydrology Report - October 2012 - Urban Drainage ...

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Sanderson Gulch Major Drainageway Plan Baseline Hydrology Report Draft Baseline Hydrology Review Comments dated October 9, 2012 and Responses Sanderson Gulch Major Drainageway Plan Ocotber 2012 Section Author Page No. Comment Response Section 2.3, RNS3 UDFCD 9 Verify maintenance responsibilities for Reach NS2 (UDFCD or Lakewood?) UDFCD Section 2.3, RNS3 Lakewood 9 Add "also" after "would" Rewritten Section 2.3, RNS4 Denver 9 Add map labels for all streets referenced in text Streets added Section 2.3, RNS4 Lakewood 9 Add "just east of S. Balsam Ct." after "Florida Ave." Done Section 2.3, RNS4 Denver 9 Replace "Wood" with "Invasive" Done Section 2.3, RNS4 Lakewood 9 Delete "which" after "(10.69 acres)" Done Table 2‐2 UDFCD 10 Include a column for Reach Done Crossings Map UDFCD Figure 2‐6 Change number of crossing from 39 to 34 Done Table 2‐2 Denver 10 Include Sufficiency Rating, if available, in Condition field Done Table 2‐2 UDFCD 10 Fill in blank cells Done Table 2‐2 Matrix 10 Add column headings to right side of page Done Table 2‐3 Matrix 11 Add column headings to right side of page Done Table 2‐3 Lakewood 11 Add "Lakewood" to drop #15 location note Done Section 2‐4 Denver 12 Delete "is no longer active, but" before "was located" Done Section 2‐5 Denver 12 Add map labels for all streets referenced in text Streets added Section 2‐5 Denver 13 Add "(USFWS)" after "Service" Done Section 2‐5 Denver 13 Add "Final Draft" before "Mississippi" Done Section 2‐5 Denver 13 Add "by Matrix Environmental Services, LLC., (MES) to the City and County of Denver" after "2009" Done Section 2‐5 Denver 13 Replace "below" with "in the October 15, 2009 report from MES:" Done Section 2‐5 Denver 13 Add quotes to Matrix letter text Done Section 2‐5 Denver 14 Add "MES interviewed" before "Mark Rudolph" Done Section 2‐5 Denver 14 Delete "was interviewed" and add period Done Section 2‐5 Denver 14 Add "Opinion:" before the start of the last paragraph Done Jurisdiction Map Denver Fig 2‐1 Show pipe symbol connecting Smith and Kendrick Reservoirs Pipe added Jurisdiction Map Denver Fig 2‐1 Add "Remnant" to Miss Gulch label Label changed Jurisdiction Map Lakewood Fig 2‐1 Use different color shading for Lakewood Color changed Parcel Map Denver Fig 2‐2 Show pipe symbol connecting Smith and Kendrick Reservoirs Pipe added Parcel Map Denver Fig 2‐2 Add "Remnant" to Miss Gulch label Label changed Parks Map Denver Fig 2‐3 Show pipe symbol connecting Smith and Kendrick Reservoirs Pipe added Parks Map Denver Fig 2‐3 Label lakes and streets referenced in text Labels added Parks Map Denver Fig 2‐3 Label GGCC, project area Label added Appendix B Denver Fig B‐1 Label GGCC, project area Label added Hydrology Map Denver Fig B‐1 Add "Remnant" to Miss Gulch label Label changed Irrigation Map Denver Fig 2‐4 Modify symbology at Welch Ditch junction Symbology changed Irrigation Map Denver Fig 2‐4 Add "Remnant" to Miss Gulch label Label changed Irrigation Map Denver Fig 2‐4 Find name for ditch that connects Welch to Agricultural No name found Irrigation Map Denver Fig 2‐4 Change "Salisbury Lateral" to "Salisbury Ditch" Name changed Irrigation Map Denver Fig 2‐4 Extend Salisbury Ditch to Huston Lake per attached drawings Ditch extended per drawings Irrigation Map Denver Fig 2‐4 Remove Clover Knoll Ditch Ditch removed Irrigation Map Lakewood Fig 2‐4 Show ditched in different colors Symbology changed Reach Map Denver Fig 2‐5 Show pipe symbol connecting Smith and Kendrick Reservoirs Pipe added Reach Map Denver Fig 2‐5 Add "Remnant" to Miss Gulch label Label changed Reach Map Denver Fig 2‐5 Label GGCC Label added Reach Map Denver Fig 2‐5 Label lakes and streets referenced in text Labels added Crossings Map Denver Fig 2‐6 Show pipe symbol connecting Smith and Kendrick Reservoirs Pipe added Crossings Map Denver Fig 2‐6 Add "Remnant" to Miss Gulch label Label changed Drops Map Denver Fig 2‐7 Add "Remnant" to Miss Gulch label Label changed Drops Map Denver Fig 2‐7 Label photos with cross streets Streets labeled Drops Map Denver Fig 2‐7 Show pipe symbol connecting Smith and Kendrick Reservoirs Pipe added Section 3.1 Denver 22 Add text "and a proposed 100‐year outfall for the Mississippi Gulch Remnant to be conveyed to Sanderson Gulch." after "Gulch", then start a new paragraph Done Section 3.1 Denver 22 Add discussion addressing possible Sanderson/Mississippi interconnections per Mike's comments Done Section 3.1 Denver 22 Add text ". The model was then edited" before "using corrected…" Done Section 3.1 Denver 22 Add text "in the 1972 model for Sanderson Gulch" after "detention pond" Done Section 3.2.1 Lakewood 22 Check subbasin count vs. Table 3‐1 (90 or 89?) Done Section 3.3.1 UDFCD & Lakewood 23 In 4th paragraph, reference to Table B‐1 should be B‐4 Done
Sanderson Gulch Major Drainageway Plan Baseline Hydrology Report Draft Baseline Hydrology Review Comments dated October 9, 2012 and Responses Sanderson Gulch Major Drainageway Plan Ocotber 2012 Section Author Page No. Comment Response Section 3.3.1 Lakewood 23 Delete last sentence in 4th paragraph Done Section 3.3.5 UDFCD 24 Revise text in 1st paragraph ‐ Add statement that says the decision was made to include these ponds since they were included in the previous study. Also, add "(private)" after the private ones. Done Section 3.3.5 Lakewood 24 Clairefield Reservoir no longer exists ‐ Section 3.3.5 Denver 24 Add Miss. Gulch Reservoirs (Garfield and Huston Lake) Done Section 3.3.5 Denver 24 Add text related to required agreements with owners for future use Done Section 3.3.6 Denver 25 Address Mike's comment regarding trans‐basin flow and the drain in Lowell Done Section 3.3.6 Denver 25 Add "Sanderson Gulch" before "watershed" Done Section 3.3.6 Denver 25 Revise 3rd paragraph to address mikes comments Done Section 3.3.6 Denver 25 Add Section 3.7 for Mississippi Gulch Done Section 3.3.6 Lakewood 25 Change "the interactive hydrology map of Figure B‐1" to "figure B‐4, Hydrologic Routing Schematic" ‐ Section 3.4 Lakewood 26 In 2nd paragraph, change "Figure B‐6" to "B‐5" and "B‐7" to "B‐6" Done Section 3.5 Lakewood 27 Change "Table 3‐7" to "3‐6" Done Section 3.5 Lakewood 27 Check for missing Figure B‐8 Done Table 3‐6 UDFCD 27 Need to add to this table columns for the duplicate effective model you created, so we can see that the numbers matched the 1972 study. Why not just replace this table with Table B‐1? Done Table 3‐6 UDFCD 27 Some of these numbers don't match what's shown in Table B‐1. Done Table 3‐6 UDFCD 27 Why are peak flow differences so high, especially at GG Road Detention? Incorporate Green Gables Redevelopment CLOMR Section 3.6 Denver 28 Add section 3.X for 100‐Year Storm, Mississippi Gulch and address Mike's comments Done Section 3.6 Denver 28 Add text describing conclusion of statistical gage analysis Done Section 9 Denver 29 Add "Greenway Foundation, River South Master Plan (2009)" Done Section 9 Denver 29 Add "Final Draft" before "Mississippi" Done Appendix B Denver Fig B‐1 Add note to soils map: "Type C is used since data is not available from the U.S. Department of Agriculture‐Natural Resources Conservation Service (NRCS); formerly the Soils Conservation Service." Label added Appendix B Lakewood Fig B‐2 Add "100‐Year" to legend Done Appendix B Matrix Fig B‐2 On fig B‐2, page 44‐45 change "Table" to "Figure" in title Done Appendix B Denver Fig B‐5 Clairfield misspelled Done Appendix B Denver Fig B‐5 Add "Pond" after "Jewell Park" Done Appendix B Denver Fig B‐7 Update Miss. Gulch flows, if needed based on Mike's comments on pages 31 & 34 Done Appendix B Lakewood Table B‐1 Confirm with or without detention Done Appendix B Lakewood Table B‐1 Why are the S Lowell Blvd numbers crossed out? Done Appendix B Denver Table B‐1 Explain footnote #2 and/or reference section Done Appendix B Denver Table B‐3 "Curve" misspelled Done Appendix B Denver Table B‐4 Change Denver 1‐hour, 5‐year to 1.34 Done Appendix B Denver Table B‐4 Denver Manual does not have a value for 25‐year, 1‐hour Done Appendix B Denver Table B‐4 Add "Table 5.1 of the " before Denver Done Appendix B Denver Table B‐4 Add "Manual" after "Criteria" Done Appendix B Denver Table B‐4 "Revised" is misspelled Done Appendix B Denver Table B‐4 Use "UDFCD Storm Drainage Criteria Manual" instead of "USDCM" Done Appendix B Denver Table B‐4 Denver Manual does not have 2‐hour total rainfall Done Appendix B UDFCD Table B‐6 Confirm second depth value for Smith Res. (0.3 instead of 1?) Done Appendix B UDFCD Table B‐6 Clairfield misspelled Done Appendix B UDFCD Table B‐6 Check 10‐ft Discharge for Clairfield Res. (2684?) Done Appendix B Denver Fig E‐1 Show pipe symbol connecting Smith and Kendrick Reservoirs Pipe added Appendix B Denver Fig E‐1 Add "Remnant" to Miss Gulch label Label changed Appendix B Denver Fig E‐1 Add label for W. Florida Ave. Label added Appendix B Denver Fig E‐2 Show pipe symbol connecting Smith and Kendrick Reservoirs Pipe added Appendix B Denver Fig E‐2 Add "Remnant" to Miss Gulch label Label changed Appendix B Denver Fig E‐2 Add label for W. Florida Ave. Label added
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Final Baseline Hydrology Report - October 2012 - Urban Drainage ...

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