HomeMy WebLinkAboutASCENT STUDIO CLIMBING & FITNESS - FDP - FDP150023 - SUBMITTAL DOCUMENTS - ROUND 1 - DRAINAGE REPORTP.O. Box 1348 | Longmont, CO 80502
303.517.7116 | toddb@tjbconsulting.com
Civil Engineering | Site Design | Project Management
Infrastructure Design | Construction Assistance
July 1, 2015
City of Fort Collins
Community Development and
Neighborhood Services
281 N. College Avenue
PO Box 580
Ft. Collins, CO 80522
Re: Timberline Center Second Filing Lot 2
Drainage Report Compliance
Sediment/Erosion Control Report Compliance
Ascent Climbing Studios Building
To Whom it may concern:
We are preparing the letter associated with the site plan amendments for Lot 2 of Timberline Center
Second Filing:
Site Imperviousness:
Per the concept review letter dated November 22, 2013, we have calculated a comparison of the proposed
impervious area with the original assumed impervious area in the original approved plans and reports.
The new lot covers 62,120 square feet of the original plan. Within that areas, we calculated for the
proposed building:
• 12,835 SF of building roof
• 39,164 SF of parking, walks, and other hardscape
• 10,212 SF of landscaped area
The new plan provides:
• 14,875 SF of building roof.
• 31,858 SF of parking, walk, and other hardscape
• 15,387 SF of landscaped area
Therefore, as the new layout provides additional landscape area than assumed with the original approvals,
the amended site plan for Ascent studios remains in compliance with the approved master drainage &
erosion control plans & reports originally prepared for the overall site.
Page 2 of 2
7/1/15
Ascent Studios
TJB Consulting Group
Drainage Basin Compliance:
Site grading for the amendment site was prepared to comply with the basin boundaries and areas as
presented in the originally approved plans. Sub-basins of the original basins are depicted within the
separate utility plan submittal, and grading high points were set based on the original locations of high
points the approved site grading plans.
LID Standards:
Site Compliance with City LID requirements are outlined in a separate document authored by Northern
Engineering.
Respectfully,
TJB Consulting Group
Todd J. Borger, P.E 32993
F:\TJBcg\RBB Ascent Studios\Drainage\Timeberline Center Second Filing Lot 2 drainage letter 2015 07 01.doc