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HomeMy WebLinkAboutKINGSTON WOODS PUD PRELIMINARY - 58 91 - SUBMITTAL DOCUMENTS - ROUND 1 - DRAINAGE REPORTNorthern Engineering Services, Inc. Dec. 2,1991 Mrs.Susan Hayes Stormwater utility City of Fort Collins 235 Mathews P.O. Box 580 Fort Collins, Colorado 80522-0580 re: Kingston Woods P.U.D. Fort Collins, Colorado Project No. 9123.00 Dear Susan, Northern Engineering is pleased to submit this Prel. Drainage Study for your review. It represents a prel. study of the existing and proposed runoff characteristics of the Kingston Woods P.U.D.. Your interest and input during this preliminary stage of design will be greatly appreciated. If you should have any comments or questions, please feel free to contact myself or Mike Jones at your convenience. Sincerely, Ken Witty 420 S. Howes • Suite 106 • Fort Collins, Colorado 80521 • (303) 221-4158 A ' APPEL�iD I X Runoff Calculation Results Pond Volume Chart Kingston Woods P.U.D. Drainage Plan I1 I! I I ' O.P.; AREA 1 C TABLE A STORMWATER RUNOFF OVERLAND 1 6UTTERIPIPE ; SWALE L S tc I L S V tc I L S V 1 2.14 10.30 340 1.9 21.8 ; 340 1.8 2.65 2.1 1.11 ;0.54 240 1.6 13.4 300 2 2.7 1.9 2.46 ;0.15 320 1.4 27.3 ; 450 1.2 2.2 3.4 1.99 ;0.17 220 1.1 24.1 ; 400 0.9 1.65 4.0 1 0.58 10.47 200 2.1 12.5 ; 10 2.5 3.2 0.1 1 1.20 ;0.35 240 1.8 17.2 ; 335 1.6 2.55 2.2 1 0.49 10.64 80 1.5 6.5 ; 235 1.3 2.15 1.8 1 0.96 10.31 185 2.6 14.1 ; 155 1 1.95 1.3 0.47 10.60 90 2.0 6.8 ; 150 0.9 1.65 1.5 0.12 ;0.60 70 2.0 6.0 ; 35 2 2.7 0.2 1 0.56 10.64 60 1.7 5.4 ; 355 1.5 2.5 2.4 ; 0.48 10.13 60 4.5 8.2 ; 0.0 1 1.17 10.98 50 2.5 1.1 1 1035 1.1 2.05 6.4 ; 0.13 ;0.41 50 4.0 5.5 1 35 0.6 1.5 0.4 1 0.11 ;0.45 55 1.8 7.1 ; 50 0.6 1.5 0.6 0.98 ;0.09 35U 2.0 27.0 ; 0 0.0 0.16 10.46 50 4.5 4.9 ; 20 3 3.25 O.i 0.36 ;0.12 100 1.2 16.6 ; 0.0 1,1 ; 2.61 ;O.a5 311 1.1 21,5 ; 625 1.4 2.5 4.2 i ; BCD ; 5.56 ;0.24 320 1.4 24.8 ; 450 1.2 2.2 3.4 1 ' AId 1 2.73 ;0.36 340 1.8 20.2 1 625 1.4 2.5 4.2 1 F,K 1 1.76 ;0.44 240 1.8 15.1 ; 335 1.6 2.55 2.2 1 ; ; BCD,; E6H ; 7.61 10.29 320 1.4 23.3 1 725 1.5 2.5 4.8 C,D ; 4.45 ;0.16 320 1.4 27.1 1 450 1.2 2.2 3.4 1 E,6 ; 1.07 10.55 200 2.1 10.9 1 275 1.5 2.5 1.8 190 1.6 1.8 DEVELOPED CONDITIONS tc 1 Tc 1 i2 i100 ; C2 C100 1 92 9100 ----------------------------------- ------------ 0.0 1 24.0 1 1.7 5.0 ;1.00 1.25 ; 3.5 13.2 0.0 ; 15.2 1 2.1 6.0 ;1.00 1.25 1 2.3 B.2 0.0 ; 30.8 1 1.4 4.1 ;1.00 1.25 1 3.5 12.6 0.0 ; 28.1 1 1.5 4.3 ;1.00 1.25 ; 3.0 10.7 0.0 ; 12.6 1 2.3 6.5 11.00 1.25 1.3 4.7 0.0 ; 19.4 ; 1.9 5.3 11.00 1.25 ; 2.2 7.8 0.0 ; 8.3 ; 2.7 8.0 11.00 1.25 1 1.3 4.9 0.0 1 15.4 ; 2.1 7.0 ;1.00 1.25 ; 2.1 8.5 0.0 ; 8.3 ; 2.7 B.0 ;1.00 1.25 ; 1.3 4.7 0.0 1 6.2 1 3.0 10.0 ;1.00 1.25 ; 0.4 1.5 0.0 ; 7.7 ; 2.8 8.5 11.00 1.25 1 1.6 6.0 0.0 ; B.2 2.7 8.0 11.00 1.25 ; 1.3 4.8 0.0 ; 9.5 1 2.6 7.6 11.00 1.25 1 3.0 1L.2 0.0 1 5.9 ; 3.1 12.0 ;L.Oi! 1.25 ; 0.4 1.9 0.0 ; 7.7 ; 2.8 8.5 11.00 1.25 1 0.3 1.2 0.0 ; 27.0 ; 1.6 4.5 ;1.00 1.25 ; 1.5 5.5 0.0 1 5.0 1 3.3 11.5 11.00 1,25 ; 0.5 2.2 1.8 ; 18.4 ; 1.9 5.4 ;1.00 1.25 1 0.7 2.5 0.0 ; 24.6 ; 1.7 4.6 ;1.00 1.25 1 4.3 15.0 C&6 FLOW 1 ; ; 0.0 1 26.2 ; 1.5 4.3 ;1.00 1.25 ; 8.5 30.2 C&6 FLOW 0,0 ; 24.4 ; 1.7 4.7 ;1.00 1.25 1 4.5 15.9 INLT FLOW 0.0 1 17.3 1 2.0 5.8 11.00 1.25 1 3.5 12.8 iNLT FLOW 0.0 1 28.2 ; 1.5 4.3 11.00 1.25 1 11.6 41.1 INLT FLOW 0.0 ; 30.5 ; 1.5. 4.2 .:1.00 1.25 1 6.5 23.1 C&6 FLOW 0.0 ; 12.8 ; 2.3 6.5 ;1.00 1.25 1 2.4 9.7 C&6 FLOW OVER; ; ; ; ; ; ALL ; 10.68 10.30 340 1.9 21.8 1 961 1.2 2.2 7.3 1 0.0 ; 29.1 1 1.5 4.3 11.00 1.25 ; 15.8 56.8 UMDEVELOPED CONDITIONS ' OVER; ; ALL ; 12,14 10.21 111 1.2 34.1 1 1 0 1 0.0 ; 610 1.1 0.5 20.0 ; 54.1 ; 0.9 2.1 11.00 1,25 1 10.9 42.6 Detention Pond Sizir);j 10 20 30 40 50 60 70 BO 90 100 110 120 1 c (mird r r r r r r r� r it ■r rr rr �r r� r� _� r �■ r