HomeMy WebLinkAboutPLANETSCALE LIVING - PDP200015 - SUBMITTAL DOCUMENTS - ROUND 4 - RESPONSE TO STAFF REVIEW COMMENTSHCI ENGINEERING
A division of
HABERER CARPENTRY INC.
621 SOUTHPARK DRIVE, SUITE 1600 – LITTLETON, CO 80120 - (720) 252-3484
EMAIL: COLEH@HABERERGROUP.COM
Date: July 30, 2021
To: City of Fort Collins
Community Development and Neighborhood
Services
281 North College Avenue
Fort Collins, CO 80522
From: HCI Engineering
621 Southpark Drive, Suite 1600
Littleton CO, 80120
Attn: Brandy Harras
RE: PlanetScale Living, PDP200015, Round Number 3 Comment Responses
Engineering Development Review – Spencer Smith
1. COMMENT NUMBER 1
05/13/2021: FOR FINAL PLAN - UPDATED:
Please remember to submit your easement and right-of-way survey documents, a
completed TDRF application and associated fees ($250/dedication) for review with the
FDP. The survey documents to dedicate the easements and ROW are not required prior
to hearing, but you must show the linework on the plans (utility plan and site plan).
These are two separate plan sets that are both required to be submitted and approved
as part of your PDP.
RESPONSE: Proposed easement and ROW shown on Utility Plans.
2. COMMENT NUMBER 6
05/13/2021: FOR FINAL PLAN - UNRESOLVED:
02/16/2021: FOR FINAL PLAN- UNRESOLVED:
10/27/2020: FOR FINAL PLAN:
The existing site and demo plan need to contain more details about what is being
removed, relocated, demolished, etc. Particularly, we need to see information about
the removal of existing ROW improvements, such as curb and gutter, asphalt, sidewalk,
etc.
RESPONSE: Additional callouts added to demo plan, values added to ROW elements.
3. COMMENT NUMBER 8
05/13/2021: FOR FINAL PLAN - UNRESOLVED:
I tried to identify as many of the conflicts as I could on the redlines.
RESPONSE: New plans have been provided.
4. COMMENT NUMBER 9
05/13/2021: FOR FINAL PLAN - UNRESOLVED:
03/24/2021: FOR FINAL PLAN - UPDATED:
Utility plans were not submitted, so I cannot update this comment. It remains as a
requirement to be addressed on your final utility plans.
02/16/2021: FOR FINAL PLAN:
Comment not addressed. These can be addressed with the final plans and are not
necessarily needed to go to hearing.
HCI ENGINEERING
A division of
HABERER CARPENTRY INC.
621 SOUTHPARK DRIVE, SUITE 1600 – LITTLETON, CO 80120 - (720) 252-3484
EMAIL: COLEH@HABERERGROUP.COM
10/27/2020: FOR HEARING:
The typical drive access detail in the utility plans will need to be swapped for the correct
one for detached walk.
RESPONSE: Access drive detail has been swapped per comments.
5. COMMENT NUMBER: 12
05/13/2021: FOR FINAL PLAN
02/16/2021: FOR FINAL PLAN:
The City is using a new signature block for electronic plan signing. Please use the
provided signature block on your FDP utility plans. The signature block will only go on
the cover sheet, rather than every page.
RESPONSE: Signature block revised.
6. COMMENT NUMBER: 13
05/13/2021: FOR FINAL PLAN - UPDATED:
Thank you for adding spot elevations and flow arrows. Please work on cleaning up the
final plans so that the grading plan is easier to follow. The spot elevation text may be a
bit small and the lineweight on some of them is pretty thick, making them hard to read
unless zoomed in pretty close. There are also quite a few overlapping spots, text,
linework, etc. Some of the spot elevations don't appear to be located on anything in
particular. Typically they would be defining corners, transitions, low-points, high-points,
flowlines, etc.
03/24/2021: FOR FINAL PLAN - UPDATED:
Utility plans were not submitted, so I cannot update this comment. It remains as a
requirement to be addressed on your final utility plans.
02/16/2021: FOR FINAL PLAN:
There is very little grading information on the grading plan. Engineering will need to see
spot elevations and flow arrows on the proposed sidewalk as well as driveway access.
RESPONSE: Grading plan has been revised.
7. COMMENT NUMBER: 14
05/13/2021: FOR FINAL PLAN - UPDATED:
The sidewalk transitions are not shown as proposed in the utility plans. Please show
them accurately on the final utility plans with your FDP submittal.
03/24/2021: UPDATED
Thank you for addressing this comment on your site plan. I need to see your utility
plans to confirm that you show it the same on those plans as well. The utility plans are
what the contractor will use to construct the improvements, so it is important that
everything is shown on those plans.
02/16/2021: FOR HEARING:
The proposed sidewalk is not shown tying into the existing attached sidewalk on either
side of the lot correctly. Please make sure your plans show the existing sidewalk and
the transition from proposed detached walk to the attached walk. Generally how you
show the curves that transition to the attached walk are fine, they just don't connect in
the right spot and do not transition to the more narrow existing walk width.
RESPONSE: Sidewalk transitions revised.
HCI ENGINEERING
A division of
HABERER CARPENTRY INC.
621 SOUTHPARK DRIVE, SUITE 1600 – LITTLETON, CO 80120 - (720) 252-3484
EMAIL: COLEH@HABERERGROUP.COM
8. COMMENT NUMBER: 15
05/13/2021: FOR FINAL PLAN:
Please see my redlines for more detailed comments to be addressed on your final utility
plans for the FDP process.
RESPONSE: Redlines addressed accordingly.
Stormwater Engineering – Wes Lamarque
9. COMMENT NUMBER: 5
02/16/2021: FOR HEARING - UPDATED:
Calculations need to show that the proposed flows are less than or equal to existing
flows. Also, the Drainage Report needs to discuss exactly where these flows leave the
site with an illustration of how these flows pass through the off-site area and into the
City right-of-way or designated drainage path.
10/26/2020: FOR HEARING:
A Development that changes storm water flows in character (water quality or flow
path), increases quantity, or increases flow rate cannot drain onto downstream
properties without a drainage easement. Even if it is shown that the increase in
impervious area is less than 1,000 sf, any of the above conditions would require a
drainage easement for any flows that are exiting the northeast corner of the site. This
comment may require further discussion and the City welcomes a meeting to discuss.
RESPONSE: New Drainage Report has been provided. Calculations show that total
flows produced by the proposed site are less than the existing condition. Drainage
Plan has been revised to show flows leaving the site, and crossing to the ROW.
10. COMMENT NUMBER: 6
02/16/2021: FOR HEARING - UPDATED:
No hydrology calculations were submitted with this round of review. Please submit
updated Drainage Report.
10/26/2020: FOR HEARING:
The hydrology calculations in the drainage report do not meet City specifications. The
C-factors are not per the City's Criteria Manual. The rainfall intensities are not per City
criteria either. Also, these small sub-basins should not have a TOC greater than 5
minutes just from my observation.
RESPONSE: New Drainage Report has been provided. C-factors have been revised per
city manual. Lot has been analyzed as a single basin.
11. COMMENT NUMBER: 7
02/16/2021: FOR FINAL PLAN:
This can be addressed during Final Compliance.
10/26/2020: FOR HEARING:
The Grading Plan needs more detail with spot elevations to clearing show grading.
RESPONSE: Grading plan has been completely revised.
12. COMMENT NUMBER: 8
02/16/2021: FOR HEARING:
The existing and proposed site areas do not add up to the same number. Please revise.
RESPONSE: Areas revised in new report.
HCI ENGINEERING
A division of
HABERER CARPENTRY INC.
621 SOUTHPARK DRIVE, SUITE 1600 – LITTLETON, CO 80120 - (720) 252-3484
EMAIL: COLEH@HABERERGROUP.COM
13. COMMENT NUMBER: 9
05/17/2021: FOR FINAL PLAN - UPDATED:
The detail provided does not meet the intent of reducing the site's impervious area and
is not consistent with the City's Standard detail. The City's Standard detail could
increase the cost of the porous pavers significantly and the City is hereby advising the
Applicant.
02/16/2021: FOR FINAL PLAN:
The porous paver system that is being used to reduce the impervious area calculations
needs to be designed per the City detail, except for the underdrain. This includes
multiple aggregate layers at the proper depths. This system can be costly with yearly
maintenance and the City wants to make sure the Applicant is aware of all that is
entailed with this system.
RESPONSE: The city standard detail has been added to the plans.
14. COMMENT NUMBER: 10
05/17/2021: FOR HEARING:
Due to a number of comments not being addressed, the review was stopped until
comments can be clearly shown to be resolved. The Drainage Report and the Utility
Plans do not seem to be modified since the last review. Please contact me with any
questions regarding the review process and how best to proceed.
RESPONSE: New Utility Plans and Drainage Report provided with this submittal.
Water-Wastewater Engineering – Wes Lamarque
15. COMMENT NUMBER: 1
05/17/2021: FOR HEARING- UNRESOLVED:
02/16/2021: FOR HEARING - UPDATED:
It appears a 1 1/2 inch water meter was added to the existing 3/4 inch water service.
This would not make sense or allowed per City Code. If a larger service is desired, then a
new service will need to be tapped at the main in Stuart Street. Also, if the existing 3/4
inch water service is not to be utilized, it will need to be abandoned at the main per City
Criteria. Please revise.
10/26/2020: FOR HEARING:
The Utility Plan shows the existing wet utilities, but no improvements or modifications.
Are the existing wet utilities adequate for the proposed uses? In general, a 3/4-inch
water service would not be sufficient for a 4-plex.
RESPONSE: Existing 3/4” Domestic line is now called to be removed, with a new 1.5”
tap, service line and meter added to the plans.
16. COMMENT NUMBER: 3
02/16/2021: FOR FINAL PLAN:
The water meter pit detail is not the correct detail for a 1 1/2 inch water service. Please
revise.
RESPONSE: Detail revised.
HCI ENGINEERING
A division of
HABERER CARPENTRY INC.
621 SOUTHPARK DRIVE, SUITE 1600 – LITTLETON, CO 80120 - (720) 252-3484
EMAIL: COLEH@HABERERGROUP.COM
Sincerely,
GARRETT GOODLIN, P.E.
HCI ENGINEERING
CONSULTING CIVIL ENGINEERING
A division of
HABERER CARPENTRY INC.
621 SOUTHPARK DR., SUITE 1600
LITTLETON CO, 80120
PH: 303-979-3900, EXT. 211
CELL: 720-352-2873
FAX: 303-278-7814
Email: GarrettGoodlin@haberergroup.com
www.haberergroup.com