The URL can be used to link to this page

Home My WebLink AboutJORDAN SUBDIVISION - BASIC DEVELOPMENT REVIEW - BDR160017 - SUBMITTAL DOCUMENTS - ROUND 1 - DRAINAGE RELATED DOCUMENTLIN�00 418 NORTH SINGLE FAMILY h� g59 PROPOSED WHITCOMB ST FIN FL ® 5003.3 DETACHED GARAGE FIN FL 5002--------� 5000.0 — I �I ��. 'r, ' -� J I I � r In: `N ADE 1 / BREAK ll I 1 406 NORTH i F--/ ( CONVERTED GARAGE �1 WHITCOMB ST i Ir FIN FL ®,5001.5 to Aga I / NOTE SEE ARCHITECTURAL PLANS FOR ROOF LINES. GUTTERS & DOWNSPOUT LOCATIONS BENCH MARK CITY OF FORT COLLINS BENCH MARK FCACBM #1-12 1988 DATUM ELEVATION = 5004.15 ALUM CAP ON A STORM INLET AT SOUTHEAST CORNER OF LAPORTE AVE & N WHITCOMB ST CONCRETE DRIVE & PARKING AREA PROPOSED SINGLE I FAMILY RESIDENCE FIN FL 0 5001.0 1 530 CHERRY STREET door__ 4998 t to 1 1 CONC APRON GRAVEL APRON I 518 CH-ERRY STREET r 1 r< I r F GRAVEL./ Ag9� r � (1 pr iIf r I I I I / / min —'4996 _� --- -------- —� SINGLE FAMILY — 4995 ------___ _ FIN FL ® 4999.6 LEGEND: CHERRY STREET PROPERTY LINE EDGEOF GRAVEL S — PROPOSED GRADING EDGE OF CONC. & DRAINAGE PLAN EXISTING CONTOURS-----asss----- PROPOSED CONTOURS SLOPE DIRECTION --p SCALE 1„ = 40' F O R B E S ENGINEERING 2908 CHERLY STREET CLIENT.- KIMBERLEY JORDAN PREPARED BY KEVIN FORBES PROJECT' 412 N WHITCOMB ST DRAWN: DATE - Ft. Collins, Colorado 80524 Tele: (970) 295-4874 FT COLLINS, CO KEF 8— 18-16 SHEET TITLE: PROPOSED GRADING PROJECT ,%I DWG I Furl SERNCE EWNEERING DPAFnNG AND DESIGN CMVSlRUCnAQ_ FOUNLAWNS, LAND & MLWX'IPAL AMAUNG & DR41NAGE PLAN 16-2635 2635—PR H Ln NOTE ON 000 418 NORTH SINGLE FAMILY 1 1 WHITCOMB ST FIN FL ® 5003.3 1 I I I 1111 BREAKGRADE 5002------i� I_ II I I 1 1.� 412 NORTH] WHITCOMB IST I I I 1 406 NORTH WHITCOMB ST �\ON I SEE ARCHITECTURAL PLANS FOR ROOF LINES, GUTTERS & DOWNSPOUT LOCATIONS BENCH MARK. CITY OF FORT COLLINS BENCH MARK FCACBM #1-12 1988 DATUM ELEVATION = 5004.15 p/ �00 CONCRETE WALKS (TYP)— CONCRETE PARKING AREA 530 CHERRY STREET 99//. p9 ALUM CAP ON A STORM INLET AT SOUTHEAST CORNER OF LAPORTE AVE & N WHITCOMB ST 4996 LEGEND: o O � h h00 � / f 1 512 SYCAMORE STREET 11 / I I I 520 CHERRY STREET 11 N ONE STORY DUPLEX 1 FIN FL ® 5001.5 ! 518 CHERRY r 1 STREET 1 ! -- 4998- -_� IN I GRAVEL/ � r � ! I I I 1 I ! I / .SINGLE FAMILY ---"- FIN FL ® 4999.6 — - - - - - - - - - _p 4995-- ------ 4995 CHERRY STREET PROPERTY LINE ----- EXISTING BUILDINGS EDGE OF GRAVEL EDGE OF CONC. EXISTING CONTOURS -----4995----- SLOPE DIRECTION _ fl EXISTING GRADING & DRAINAGE PLAN SCALE 1" = 40' -4996 E O R B E S ENGINEERING 2908 CHERLY STREET CLIENT KIMBERLEY JORDAN PREPARED BY KEVIN FORBES PROJECT' 412 N WHITCOMB ST DRAWN: DATE Ft. Collins, Colorado 80524 FT COLLINS, CO KEF 8-18- 16 Tele: (970) 295-4874 SHEET TITLE: EXISTING GRADING PROJECT ,{ DWG FULL SERNCE ENcavMMW DRAFTING AND MSGN CML1/ MVC7URA1. FWNDI7NNJS LAND h MUNIMLL PLANNING & DRAINAGE PLAN 16-2635 2635—EX The 520 Cherry ..reet property will have a new 12-, >square foot single family residence with reconfigured lot lines and a revised concrete drive. The duplex will be converted into a garage that will serve both the new home as well as the existing residence at 518 Cherry Street (see proposed grading and drainage plan). The 518 Cherry property will remain relatively the same but for the reconfigured lot lines and an addition of the garage. The converted garage will have a concrete apron and gravel drive connecting to the existing gravel alley. Existing contours for the grading & drainage plans are based on survey data provided by Stewart & Associates Land Surveying, Inc. dated June 14, 2016. None of the properties lie within any flood plains and the historic storm water runoff presently is directed towards the street gutter system of North Whitcomb and Cherry Streets. These historic drainage patterns will be maintained. Drainage flows for the three properties were analyzed together and are broken up into two sub -basins. To help maintain existing flow patterns, the proposed improvements will use roof gutters and downspouts to direct the storm water runoff towards the west into the Whitcomb gutter system and towards the east and south into the alley and Cherry Street gutter system (see attached proposed grading and drainage plan). The grade at the face of the new buildings will be elevated approximately 6 inches and the ground will be graded to slope (at 1% minimum) the drainage away from the homes. As previously stated, none of the homes are in a floodplain and the finish floor elevation have been raise so that the risk of flooding is very minimal. It is my conclusion that with proper construction practice and observance to the set finish floor elevation, no adverse affects to the site or to the surrounding properties are anticipated from the proposed improvement of this site. Sincerely, �265 Kevin Forbes, P.E. #3 F� �zr/� ,� FORBES ENGINEERING Full Service Civil & Structural Engineering August 14, 2016 Dan Mogen City of Fort Collins Stormwater Engineering 700 Wood Street Fort Collins, CO 80521 RE: Grading & Drainage Memo for site improvements at; 412 North Whitcomb Street (Parcel #97111-89-001), 518 Cherry Street (Parcel #971 11-19-017) and 520 Cherry Street (Parcel #97111-19-008) Fort Collins, CO 80521 Mr. Mogen, This letter and attached exhibits are to serve as the grading & drainage memo for the above referenced single family residential properties. All three properties are located in the block at the northeast corner of North Whitcomb Street and Cherry Street. The home at 412 North Whitcomb is in the Maldonado Subdivision and was originally built in 1910, it has one single family residence on the property. The property at 520 Cherry Street currently has a duplex built in 1940 and a concrete parking area. The home at 518 Cherry is a single family residence built in 1948. The surrounding neighborhood is all single family residential lots (see attached existing grading & drainage plan for block layout). Proposed site improvements are as follows; - The 412 Whitcomb property will be extended to the east property line of - 520 Cherry Street connecting with the existing alley. Improvements include a revised 1972 square foot home with a 280 square foot guest room; connecting breezeway and a detached garage (see proposed grading & drainage plan). It will maintain a concrete walk in the location of the original walk and the garage will be built with a concrete apron & gravel drive. It is the intent that the new residence has a finish floor elevation approximately at the same elevation of the original building. The finish floor elevation for the detached garage has been set at approximately 0.5 feet above the existing grade.