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Home My WebLink AboutTHE LODGE AT MIRAMONT PUD - PRELIMINARY - 54-87AP - CORRESPONDENCE - RESPONSE TO STAFF REVIEW COMMENTS (3)• s Mr. Ted Shepard Chief Planner City of Fort Collins Current Planning Department 281 N. College Avenue Fort Collins CO 80521 Re: The Lodge at Miramont, P. U.D. resubmittal and comments Project. No. 618-101 Dear Mr. Shepard: June 19, 2000 The following is a discussion of the comments received after the previous submittal and responses to each comment that was addressed by TST, Inc. Please note that those comments addressed by Vaught-Frye will be noted by "V-F". Planning: Site grading for this site has changed substantially. New grading still includes drainage along west property line. This grading is shown on Site and Landscape plans, as well as grading and drainage plans. 2. In a phone conversation with Basil Hamdan, on May 18, 2000, Mr. Hamdan stated that an update to the SWMM model would not be necessary until final plans are submitted. Also please refer to the drainage report, section 3.2.1, Detention Pond design for details. The approach taken at this preliminary stage is conservative. New rainfall criteria have been used to design the pond, and a SWMM model update will not increase required detention volume from that used for design. Easements for drainage have been adjusted on the plat to reflect current design. 3. See below 4. All other planning co�nments are addressed by others. Water and Wastewater: 1. V-F 2. V-F Water and sewer mains have been moved to the emergency access. TST, 1 N C. Consulting Engineers �48 Whalers Way - Building D Fort Collins, CO 80525 (970) 226-0557 Metro (303) 595-9103 Fax (970) 226-0204 Email info@tstinacom www.[stinacom C� 102 Inverness Terrace East Suite 105 Englewood, CO 80112 (303) 792-0557 Fax (303) 792-9489 � e � • TST, INC. Mr. Shepard June 19, 2000 Page 2 4. Utility and storm sewer layouts have both changed. Conflict no longer exists. 5. Layout has changed. Specific redline comments have been addressed on plans. Engineering: 1. Plans have been revised to show current design along the west side of the property. 2. Acknowledged 3. Plat has been revised 4. Acknowledged 5. Roadway section has changed. A new exhibit has been included with the submittal. 6. Specific redline comments have been addressed on plans. Poudre Fire Authority: 1. V-F 2. V-F 3. Layout and fire hydrant locations have been revised. Transportation Planning: 1. All comments have been addressed by others. Stormwater: 1. See planning comment No. 2. 2. The following refers to the attached previous comments: a. Basil Hamdan stated on May 18, 2000 that an update to the SWMM model will not be necessary until final plan submittal. • � TST, INC. Mr. Shepard June 19, 2000 Page 3 b. Detention requirements have been calculated using 0.5 cfs/acre. Both existing and proposed conditions have been run using the new rainfall criteria. Conservatively, the volume required for detention is 7.3 ac-ft. Refer to drainage report for explanation. Refer to attached letter from Donald L. Dustin, dated November 23, 1999. d. Refer to Stormwater comment 2b, Planning comment 2, and Drainage Report. Plat has been revised to show necessary easements. f. Plans for aeration and water supply will be included in final design. Permanent water surface elevation is shown on Preliminary Drainage Plan. The Condo HOA will own the pond area and will be responsible for its maintenance, except for the parcel on the northwest corner of the intersection of Boardwalk and Lemay, which is not owned by the applicant. The plat has been revised to show the pond area as a tract. g. The grading and storm sewer layout are shown on the plans to indicate how water will be conveyed across the southern part of the site. If the City is interested in enclosing the system completely in pipe, that portion of work on City property (in the Park) should be paid for by the City. h. A pipe is shown to convey water under the gate. A swale/surface drainage system is shown on plans for conveying drainage to the detention pond as in the historic case. A meeting was held w/ Janet Meisel-Burns, Basil Hamdan, Mike Sollenburger and Mark Anderson on January 20, 2000 to discuss park drainage issues. The present drainage approach came from that meeting. j. Finish Floor elevations are shown on the grading plan. k. The previous layout has substantially changed, these swales no longer exist as proposed. . • TST, INC. Mr. Shepard June 19, 2000 Page 4 l. The previous layout has substantially changed, this inlet no longer exists as proposed. 3. See comment 2i. 4. The plat has been revised. We believe that we have addressed the comments presented to us. We look forward to your review and moving forward in the approval process. Sincerely, TST, INC., CONSULTING ENGINEERS / ��,� �1 C�, ��, � Mark A. Anderson teve F. Humann, P.E. • � • � Utilitip� 1i�i�t �: j.�o�ver • storm�+•ater � wasie�l'ater •�rater �it�� of Fori Collin�. Post-lt" Fax Note 7671 �an (1 � g papis � Tb��r I _ _ � _ Fro � _ L � _ %� , . _ I Co, November 23, 1999 I�+one �-L� ^�� IPnone ff__�� To: Mark Anderson TST, Inc. ?48 Whalers Way Building D Fort Collins, Colorado 84525 Re: The Lodge at Miramont PUD — Detention Pond. Dear Mark, This letter is to update the comments made for the preliminary subm�ttal of The L.adge at Miramant PUD dated October 22, 1999. Comment 3 indi�atec� that the City may war�t to upsize the exisdng detention pond to prevent the pond from overtopping due to new rainfal� criteria considerations. The City has analyzed the pond with the new rainfall criteria using topographical information pr�vided by TST. The results of the analysis show that the pond will not overtop in the 100-year event. Therefore, the City is no longer interested in upsizing this pond. The pond will sti11 need to be expanded to meet the needs of the proposed development (see comment 2 frorn 10/22/99}. Also, the regional SWMM will need to be updated to show the proposed changes to the pond (see comment I from 10/22/99). If you have any questions regarding this letter or the previous comments, please feel free to contact me at 41b-�053. �cerely, , � '�. 1 r / Y�� D ald . � ustin City of Fo�t Collins Stormwater Develapment Revi�w LdaQMrrrm tLet,doc : � , � . . I'.1:` �:,u�. ;��, � Fc'�.; CO;. -. �(�::,:. ��,�41;: i�"�l'. ��'J-bi(!( � F:1\ (� Ui .... -rhj�, . Fn\ t�l'!t _? �_h,u: . ;',`!�-:; .� -�, __. . +'-m�i;. ,..ili,,., •c-i.i^rt-��,llir...cr.u�• ti�•��,•:.�'.tort-cnllin�.c��.usl_'-flf�iTir�