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 Global Denver Parks ‐‐ Be consistent under "Parks and Recreation" sections when referring to potential acquisitions and refer to them only as potential. Done Global UDFCD ‐‐ Check for typos and grammatical errors Done Global UDFCD ‐‐ Leave out all mention of the FHAD from here on, since it's a separate document. Done Cover UDFCD Cover Change title to "Major Drainageway Plan" Done Cover Letter Matrix Cover Letter Change "Ms." To "Mrs." in address Done Cover Letter Denver Cover Letter Clarify scope of report ‐ minor vs. 100‐year event and the inclusion of Mississippi Gulch Done Cover Letter Denver Cover Letter Change "1972 study" to "1972 MDP" Done Cover Letter Denver Cover Letter Hyphenate "re‐create" Done Cover Letter Denver Cover Letter Change "10‐year old" to "40‐year old study" Rewritten Section 1.1 UDFCD 1 Change "tributary" to "tributaries" Done Section 1.1 UDFCD 1 Delete "Denver" Done Section 1.2 UDFCD 1 Delete "and FHAD" Done Section 1.2 UDFCD 1 Delete last bullet "Develop an FHAD…" Done Section 1.3 UDFCD 1 Combine Denver and Lakewood public meetings into one meeting Done Section 1.4 Denver 1 Add "LIDAR‐derived" before "two‐foot topographic contours…" Done Section 1.4 UDFCD 1 Change "The area along the gulch corridor" to "The area for the west portion of the watershed" Done Section 1.4 UDFCD 1 The area for the west portion of the watershed was flown by TransVision in May 2012 which produced 2‐ft contour data. The files we received list Accurate EngiSurv as the contractor. Also, the Civil3D surface provided had 1‐ft contours Section 1.4 Denver 1 Change "we" to "were" Done Section 1.5 UDFCD & Denver 2 Add to data collection list: Gulch Master Plan for City and County of Denver Parks and Recreation (Matrix Design Group, October 2009) Done Section 1.5 UDFCD & Denver 2 Add to data collection list: Final Draft Mississippi Gulch Outfall Alternatives Analysis and Scoping Study (Matrix Design Group December 2010) Done Section 1.5 Denver 2 Add to data collection list: River South Greenway Master Plan (Greenway Foundation, 2009) Done Section 1.6 Denver 2 Delete "Capital Projects" from Mike's description Done Section 1.6 Denver 2 Add "& Recreation ‐ Planning" to David's description Done Section 1.6 Lakewood 2 Delete "Engineering" from Terry's description Done Section 2.1 Denver 3 Change Layout: Show Figures 2‐1, 2‐2, 2‐3, 2‐4 on same pages (or opposite) the text so the reader doesn't have to flip back and forth ‐ Section 2.1 Denver 3 Add location description for GGCC to 2nd paragraph Done Section 2.1 Denver 3 The Clover Knoll Ditch no longer exists. Delete from text and Figure 2‐4 OK Section 2.3 Denver 3 Consider inserting small reach maps into reach description text Done Section 2.3 Denver 3 Reaches 2 & 4 discuss Water Quality but it's buried in the Parks & Recreation Section. Solution: create a new heading for Water Quality Opportunities for each reach, or just for those Done reaches where it's discussed Section 2.3, R1 Denver 3 Change "right of way(ROW)" to "access" Done Section 2.3, R1 Denver 3 Change culvert dimensions to: 14' w x 6'‐9" h Done Section 2.3, R1 Denver 3 Add "for the 100‐year storm" after "…flood conveyance capacity" Done Section 2.3, R1 Denver 3 Change "C&S" to "Burlington Northern Santa Fe (BNSF)" Done Section 2.3, R1 Denver 3 These trees are listed as "invasive" in other reaches. Suggestion: If it's just invasive weeds, say "invasive weeds". If it's invasive weeds and trees, say "invasive species" and cite both the weeds and trees. Done Section 2.3, R1 Denver 4 Change "ROW" to "access" Done Section 2.3, R1 Denver 4 Change "ROW" to "land" Done Section 2.3, R1 Denver 4 Add "Right of Way" before "ROW" Done Section 2.3, R2 Denver 4 Change "begin" to "begins" Done Section 2.3, R2 UDFCD 4 Add description of 2nd road crossing Done Section 2.3, R2 Denver 4 The list includes invasive weeds & trees. Just say "Invasive species" and list them all. Done Section 2.3, R2 Denver 4 Add "2009 Denver Parks and Recreation" before "Gulches Master Plan" Done Section 2.3, R2 Denver 4 Add paragraph: The 2009 Denver Parks and Recreation Gulch Master Plan recommended acquisition of two (2) parcels north of Arkansas between Navajo & Osage adjacent to the existing park. Done Section 2.3, R3 Denver 4 These trees are listed as "invasive" in other reaches. Suggestion: If it's just invasive weeds, say "invasive weeds". If it's invasive weeds and trees, say "invasive species" and cite both the weeds and trees. Done Section 2.3, R3 Denver 4 Add "2009 Denver Parks and Recreation" before "Gulches Master Plan" Done Section 2.3, R3 Denver 4 Add "one(1)" after "land acquisition of" Done Section 2.3, R4 UDFCD 4 Add names of 3 road crossings ‐ Irving, Lowell and Tennyson? Done Section 2.3, R4 Denver 5 These trees are listed as "invasive" in other reaches. Suggestion: If it's just invasive weeds, say "invasive weeds". If it's invasive weeds and trees, say "invasive species" and cite both the weeds and trees. Done Reach Map Denver Fig. 2‐5 Add map labels for all streets referenced in text Streets added Section 2.3, R4 Denver 5 Change "installation" to "installations" Rewritten Section 2.3, R4 Denver 5 Change "S. Newton Street to " S. Mabry Way, S. Michigan Way, S Newton Street and S. Stuart Street are " 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 2.3, R4 Denver 5 Add "2009 Denver Parks & Recreation" before "Gulch Master Plan" Done Section 2.3, R5 UDFCD 5 Delete "the" before "Denver" Done Section 2.3, R5 Denver 6 These trees are listed as "invasive" in other reaches. Suggestion: If it's just invasive weeds, say "invasive weeds". If it's invasive weeds and trees, say "invasive species" and cite both the weeds and trees. Done Section 2.3, R5 Denver 6 Add "2009 Denver Parks & Recreation" before "Gulch Master Plan" Done Section 2.3, R5 Denver 6 Insert text: "one (1) residential property on the south side of the channel below S. Tennyson Street," Done Section 2.3, R5 Denver 6 Delete "the" between "and" and "three" Done Section 2.3, R6 Denver 6 Delete "which" after "Bit‐O‐Sea Reservoir" Done Section 2.3, R6 Lakewood 6 Delete "for the City" after "maintenance access" Done Section 2.3, R6 Lakewood 6 Verify Wilson Family Park and Clairefield Reservoir connection to downstream reaches within Denver No downstream connection Section 2.3, R6 Lakewood 6 Add "of the east loop" before "of S. Harlan Circle Done Section 2.3, R6 Denver 6 These trees are listed as "invasive" in other reaches. Suggestion: If it's just invasive weeds, say "invasive weeds". If it's invasive weeds and trees, say "invasive species" and cite both the weeds and trees. Done Section 2.3, R6 Lakewood 6 Delete "Maintenance responsibilities are unclear through this reach. It is presumed that the" Done Section 2.3, R6 Lakewood 6 Add "maintenance of the drainageway through this reach" after "responsible for the" Done Section 2.3, R6 UDFCD 6 Regarding UDFCD maintenance responsibility "Not sure what this means. If there is no easement and it's privately owned, we wouldn't maintain it." UDFCD and HOA Section 2.3, R6 UDFCD 6 Change "are" to "as" Done Section 2.3, R7 Lakewood 6 Delete "Maintenance responsibilities are unclear through this reach. It is presumed that the" Done Section 2.3, R7 Lakewood 6 Add "The property owners and" before "the adjacent" Done Section 2.3, R7 Lakewood 6 Change "landscape area adjacent" to "maintenance of the drainageway through this reach. A short reach on each side of S. Lake Rd. is maintained by UDFCD. " Done Section 2.3, R7 UDFCD 6 Regarding UDFCD maintenance responsibility "Same comment. We do maintain the channel on the south side of Jewell." Done Section 2.3, R9 UDFCD 7 Change R9 heading to "S. Wadsworth Blvd. to S. Allison Street" Done Section 2.3, R9 Lakewood 7 Change "completed by" to "the responsibility of" Done Section 2.3, R10 Lakewood 7 Add "Channel" after "Drainage" Done Section 2.3, R10 Lakewood 7 Add "Channel" after "Drainage" Done Section 2.3, R10 UDFCD 7 Delete last sentence of 1st paragraph Done Section 2.3, R10 Denver 7 These trees are listed as "invasive" in other reaches. Suggestion: If it's just invasive weeds, say "invasive weeds". If it's invasive weeds and trees, say "invasive species" and cite both the weeds and trees. Done Section 2.3, R10 Lakewood 7 Add text to indicate this reach in in the routine maintenance program of UDFCD. Done Section 2.3, R11 UDFCD 7 Change "through" to "to" Done Section 2.3, R11 Lakewood 7 Delete "a" between "as" and "park" Done Section 2.3, R11 Lakewood 7 Change "width" to "wide" Done Section 2.3, R11 Lakewood 7 Change "mown" to "mowed" Done Section 2.3, R11 Lakewood 7 Change "mown" to "mowed" Done Section 2.3, R11 Lakewood 7 Move 5th and 6th paragraphs to the following section (Reach 12) Done Section 2.3, R11 Lakewood 7 Change "mown" to "mowed" Done Section 2.3, R11 Denver 7 These trees are listed as "invasive" in other reaches. Suggestion: If it's just invasive weeds, say "invasive weeds". If it's invasive weeds and trees, say "invasive species" and cite both the weeds and trees. Done Section 2.3, R11 Lakewood 8 Move discussion of Kendrick lake Park to Reach 12 section Done Section 2.3, R11 UDFCD & Lakewood 8 Change "UDFCD maintenance responsibilities through this reach are unclear)." to "UDFCD conducts routine maintenance from Garrison St to Kendrick Reservoir." Done Section 2.3, R11 UDFCD 8 Move last paragraph to Reach 12 section Done Section 2.3, R12 Denver 8 Check surface area of Smith Reservoir (58 AC or 68.12 AC?) 52.5 acres Section 2.3, R12 Lakewood 8 Change "Smith" to "Kendrick" Done Section 2.3, R12 UDFCD 8 Change text to indicate no maintenance by UDFCD in this reach. Done Section 2.3, RNS1 Denver 8 Delete "weed" before "species" Done Section 2.3, RNS1 Lakewood 8 Delete "appear to" after responsibilities Done Section 2.3, RNS1 Lakewood 8 Add text "east of S. Harlan Circle. The City of Lakewood maintains the reach between S. Harlan Circle and S. Pierce St., with assistance from UDFCD." after "association" Done Section 2.3, RNS1 UDFCD 8 Add text indicating UDFCD currently maintains the channel from Pierce St down to the open space. Done Section 2.3, RNS2 Denver 8 Add map labels for all streets referenced in text Streets added Section 2.3, RNS2 Denver 8 Delete "weed" before "species" Done Section 2.3, RNS2 UDFCD 8 Verify maintenance responsibilities for Reach NS2 (UDFCD or Lakewood?) UDFCD and Lakewood Section 2.3, RNS3 Denver 9 Add map labels for all streets referenced in text Streets added Section 2.3, RNS3 Lakewood 9 Change "width" to "wide" Done Section 2.3, RNS3 Denver 9 Add "invasive" before "weed" Done Section 2.3, RNS3 Lakewood 9 Add "routine" before "maintenance" Done
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