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HomeMy WebLinkAbout1902824110082-08182014P10? �, 't gni ADVANCE SURVEY/NG & ENGINEERING CO. LEGEND 5300 S. Hwy. No. 101 Minnetonka, MN 55345 Phone (952) 474 7964 Fax (952) 225 0502 WWW.ADVSUR.COM DENOTES EXI-1 SURVEY FGR: LANDMARK BUILDING CONTRACTORS DENOTES PRO. SURVEYED: August, 201.3 DRAFTED: August 6, 2413 DENOTES EXIT REVISED: January 2, 2014 to show proposed dwelling, related improvements, grading, drainage and erosion control DENOTES PRO. details for review and approval. REVISED: January 28, 2014 to show top and bottom retaining wall proposed elevations. DENOTES PRO. REVISED: July 3, 2014 to show lowered home. REVISED: July 22, 2014 to show trees removed, move proposed window well to front, add erosion control text. DENOTES PRO. LEGAL DESCRIPTION: Lot 2, Block 1, Sandy Pines, Hennepin County, Minnesota. SPOT ELEVATION SPOT ELEVATION -960.0 -960.0 CONTOUR LINE -----942---._,_ CONTOUR LINE - n --- STORM FLOW STRAW LOGS SF SCOPE OF WORK & LIMITATIONS: 1. Showing the length and direction of boundary lines of the above legal description. The scope of our services does not include determining what you own, which is a legal matter. Please check the legal description with your records or consult with competent legal counsel, if necessary, to make sure that it is correct, and that any matters of record, such as easements, that you wish shown on the survey, have been shown. GRAPHIC S C ALE 2. Showing the location of existing improvements we deemed important. 3. Setting'new monuments or verifying old monuments to mark the corners of the property. 20 0 10 20 4. Showing elevations on the site at selected locations to give some indication of the topography of the site. The elevations shown relate only to the benchmark provided on this survey. Use that benchmark and check at least one other feature shown on the survey when determining other elevations for use on this site. ( IN FEET ) STANDARD SYMBOLS & CONVENTIONS: 'W' Denotes found iron pipe, unless otherwise noted. CERTIFICATION: I hereby certify that this plan, specification, report or survey was prepared by me or under my direct supervision and that I am a duly Licensed Professional Engineer and Licensed Land Surveyor under the laws of the state of Minnesota. Signature: 2amu& X 6Da.4ull, Typed Name: James H. Parker Date: July 22, 2014 Reg. No. 9235 BEFORE .)F:MOIA ION AND GRADING BEGIN: 1. Install straw logs as shown on the plan around the perimeter of the construction area as shown on this plan. 2. Install inlet protection at inlets to the storm sewer system that receive storm water from areas to be disturbed on this site using Road f )ntin Top Slab Model R() 23 (fits rough oven n; for 2'x3' ink -1). Road Drain Top 'lab Model RO 2.7 (fits roue> 1 s3 n""' for 2-7" inlet), or Road i"gain Top Slab Model (Ti 3057 (lis N€ onah t.;astiatg with 35 -1:4"x1? -3! dimensions) rnanufact€ and by ih IR.R.10, 7€ 9 Tlx;is Drivc, °rhaki)pee, M.N. 55379, Phone (9 2) 23.3-30557 :.I. Sediment control measures must remain in place until final stabilization has been established and then shall be removed. Sediment controls may be removed to accommodate short term construction activity but must be replaced before the next rain. 4 A temporary rock constriction entrance shall be established at each access point tothe site and a 6 inch layer oft to 2 inch rock extendinn at (cast 50 feet front the street into the site and shall be underlain with permeabie geotextile fabric. The entrance shall�ne maintained during construction by top dressing or washing to prevent tracking or flow, of sediments onto public streets, walks or alleys. Potential entrances that are not so protected shall be closed by fencing to prevent unprotected exit from the site. DURING CONS'T'RUCTION: 5 When dirt stockpiles have been created, a double row of straw logs shall be placed to prevent escape of sediment laden runoff and if the piles or other disturbed areas are to remain in place for more than 14 days, they shall have seed applied by broadcast hand seeding and shall be covered with hay. 6. A dumpster shall be placed on the site for prompt disposal of constriction debris. These dumpsters shall be serviced regularly to pprevent overilowing and blowing onto adjacent properties. Disposal of solid wastes from the site shall in accordance with Minnesota Pollution Control Agency requirements. 7. A se arate container shall be placed for disposal of hazardous waste. Hazardous wastes shall be disposed of in accordance with MPGA requirements. 9 Concrete truck washout shall be in the plastic lined ditch shown on this plan for "CONCRETE WASHOUT" and dispose of washings as solid waste. 9. Sediment control devices shall be regularly inspected and after major rainfall events and shall be cleaned and repaired as necessary to provide downstream protection. 10. Streets, all.ys, sidewalks and other public ways shall. be inspected daily and if litter or soils has been deposited it shall promptly be removed. The contact person for this site is Dan Schaefer, Landmark Building Contractors; 612 817 5483; Dan Schaefer <danCa. schaefco, corn 11. If necessary, vehicles, that have mud on their wheels, shall be cleaned before exiting the site in the rock entrance areas. 12. Moisture shall be applied to disturbed areas to control dust as needed. 13. Portable toilet facilities shall be placed on site for use by workers and shall be properly maintained. 14, if it becomes necessary to pump the excavation during construction, pump discharge shall be into the stockpile areas so that the double silt fence around these areas can filter the water before it leaves the site. 15. Temporary erosion control using broadcast hay and seeding stroll be ap}died to all exposed soils after 15 days. Before applying the seed and hay, water down the disturbed area to provide sone bond between the straw and soil. SITE WORK CC»IPLETION: 16. When final grad 1� has been completed but before placement of seed or sod an "as built" survey shall be done per Edina's requirements to insure that grading was properly done. 17. When any remedial gracing has been completed, sod or seeding shall be completed including any erosion control blankets for steep areas. 18, When turf is established, straw tors and inlet protection and other erosion control devices shall be disposed ofand adjacent streets, alleys and walks shall be cleaned as needed to deliver a site that is erosion resistant and clean. INFILTRATION AREA CROSS SECTION PERMEABLE PAVERS o:79 COARSE WASHED SAND AND GRAVEL CLEAR CRUSHED I T`) 3 INCH ROCK 877.0 AT RET. WALL- . 1 4 INCH PERFORATED DRAIN 71.E WITH SOCK AT I% DRAIN TO WEST j AREA 880.6 CONTOUR = 579 SQ. FT. 1/3 X 579 X 0.5 = 96 CU. FT ABOVE PAVERS 1/3 X 579 X 3.3 X.45 = 287 CU FT. IN VOIDS TOTAL 383 CU. FT. STORAGE PROVIDED 1239 SQ. FT. DRIVES & STEPS PLUS 2150 HOUSE, TOTAL 3389 SQ. FT. IMP. 8014 SQ. FT. GRASS, WEIGHTED AVERAGE C.35 X 8014 = 2805 +.95 X.3389 = 3220, TOTAL 6024 DIVIDED BY 11403 GIVES .53 DEVELOPED C. TIME CONCENTRATION 9 MINUTES I (100) = 8.3 IN/HR Q = CIA = 0.53 X 8.3 X (11.403/43560) = 1.15 CFS POST DEVELOPMENT w 1 0.35 X 8.3 X (11403/43560) = 0.76 CFS PRE DEVELOPMENT N I .76/1.15 = 66%, 66% X 8.3 = 5.47 IN/HR OCCURS AT 23 MINUTES � t REQUIRED STORAGE FOR NO NET INCREASE: p N 23 MIN X 60 SEC/MIN X (1/2 X (1.15+.76) -.76) = 269 CU. FT. STORAGE REQUIRED < 0- 01 383 PROVIDED OK. 1 z EXISTING DWELLING I GARAGE FLOOR ELEV.-874.1 1 , � 1 1 , o� pi Ni N� 1 , i 40 S 89°51'18" E DRAIN TILL OUTLET W8�<3�- ITH ANIMAL GRATE " ��� ~ ' "5�y ++ Q AND RIP RAP AT 976.1- njJ�j� • Cb l�oaB-a�,dl•oo�a--� ST0.Rff#,476R' ff_,4X40Eff NT & EROSIOW CO.N.F.ROL P. 41VN 130985 20 07 4 JP