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

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