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HomeMy WebLinkAboutFOUR SEASONS PUD THIRD - Filed GC-GENERAL CORRESPONDENCE - 2003-11-12MCI consulting engineers 4710 South College Ave. Fort Collins, Colorado 80525 Telephone (303) 226-2323 Four Seasons M & I No. 1377-016 October 10, 1980 Mr. Bob Smith Fort Collins Engineering Dept. Post Office Box 580 Fort Collins, CO 80522 Dear Bob: Attached are the plans and calculations illustrating the approach we have taken to handle the drainage generated on the Four Seasons Third Filing Site. The master drainage plan for this site and its immediate vicinity was completed by our office in February, 1979. In this plan drainage flows from this site were to be detained on site and eventually flow east along Horsetooth Road. A more detailed analysis of this site has shown that this alternative is no longer feasible. This conclusion is based on principally two reasons. First of all, the use of the exist- ing borrow ditch on the south side of Horsetooth Road to handle drainage water has been deemed undesirable by both the City of Fort Collins and the developer. Secondly in order to route the runoff from the site into the curb and gutter along Iorsetooth Road, extensive amounts of fill would have to be brought in and compacted. This excessive fill increases the grade of the entrance road and prevents a smooth transition into Arbor Avenue. The cost of this alternative is prohibitive. For these reasons we have proposed another alternative. Detention on site is difficult because of outfall elevations required to empty into existing curb and gutter. To detain on site would again present earth- work costs and grade problems. Therefore we propose allowing runoff to flow directly into the curb and gutter along Arbor Avenue. The runoff would flow from here east to Tradition Drive then south to Bonita Avenue, then east across Tradition Drive in the existing valley pan and continuing cast along the south curb and gutter of Bonita Avenue. From here the runoff will flow into the west curb and gutter of Benthaver. Street. The runoff will flow south to the catch basins in Benthaven where it will be piped east into the detention pond just east of the street. The attached Mr. Bob Smith October 10, 1980 Page 2 calculations show that the street capacities of these existing streets are adequate for these additional flows. Calculations are attached to show the adequacy of the pond expansion. If you have any questions concerning this proposed alternative that are not addressed in the calculations or drawing please feel free to contact me. Very truly yours, M & I, INC. t CA Yl Stan A. Myers SAM/jm Attachments G•g3o.c G ��,Los tq.it at�(t5 9! �{.SStF oc. C=077 oc. Z— c= o •45 t t6A�R- cm, 1 Z. 1t4E • = O Q4 = o •45- V 11 �µ e•F 'f 1I -7.3ac —.� t (ZocJsit p .t. /o_..1 —� i`[ aeAA • l55•Z--7 oue_ ' ' 1�7 �k3�ot r2 'I—o u or Tlnr� �Stv�-o Q.er C�' �,, 4.ss4 �. sys u ���o�-t V C'W a V} -40vY "-�O S W LSk^LS 4-o i� � �Q�/•u `FOY.Q � J! �G.Sp1nS Lv l C� tko to-ory 1 . •. .1 . A ( Us A - - - QMHOIUFORTCOLLINS COLORADO Business Address September 9, 1981 Mrs. Bonnie Tripoli Engineering Dept. City of Ft. Collins P.O. Box 580 Ft. Collins, CO 80522 RE t�cut, 3rd filing, Four Seasons PU Dear Mrs. Tripoli: 80525 (303) 226-3303 4730 S. College, Ft. Collins, CO. 9.,y-p ZW4w-tAo " i DO j -ttj laJAW A4 We request a variance to allow the curb cut to remain as constructed. The portion between the back of the sidewalk and the property line was constructed with asphalt rather than concrete as shown on the plans. It was an oversight on our part. The Homeowners' Association shall be responsible for the mainte- nance of all of the asphalt areas within the 3rd filing including this 20x5' strip. Because this area is the responsibility of a legal body, 'we request your approval of this variance. Sin rely,/ y, I/ " � %h (04 �t M. S phen McMillan MSM:rlj Vcc: Mauri Rupel LICENSED • BONDED • INSURED Offices in . . . NEVADA, WYOMING, IDAHO, COLORADO DIVISION September 14, 1981 Mr. M. Stephen McMillan Chism Hanes, Inc. 4730 S. College Avenue Fort Collins, Colorado Dear Sir: I regret to inform you that your request for a variance to allow the curb cut at Four Seasons Third Filing to remain as constructed has been denied. Yours iTthe third development in which this problem has occurred this year. We have required both developments to build the curb cut according to City specifications. Therefore, Mauri Rupel, Dave Stringer and I all agree that it would not be fair to accept yours as is. This work is to be done before the last four of the units are released as the work will require the closure of the curb cut for one week. Also, please inform your contractor that this work does require an inspection by our office prior to placing the concrete. Sincerely, ,_` Bonnie Tripoli Construction Inspector cc: ✓Maori Rupel Dave Stringer