06/11/2014 P&Z Packet - Laserfiche WebLink

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GRADING, DRAINAGE, AND EROSION CONTROL PLAN a (BIIUMRIGUS 'SURFACE) sAx Mn I. u Ty r _ SNI Vux N gm + \ \\INV6EV.-k1O2T8XX WMFn�B�.� I 0.1° \t ARL O LANE I < . EX. CURB & GUTTER -= MAILBOX \ . RACKS e Xle v r\--------------- 0 - -- I 5517 Bll _ I I LOT 1 i i LOT ,_2---- SELO I I ° --SELO GAR: 912.5 ;' / I� 1 91_— ` VE: 908.E lv' i GAR: 913.1 AO: 912,0 i i LFE: 9A1 ` I I ; LO: 912.6 911 I I I ,o' L--------I'- -------- J L--��------------ I - To DE RE11ACED 910 F I m r\♦ �• n i\ r\ i�e9-______ H! y l y I I I I\ I ` /\ I \\ _: +�` + + + I �a I + I , APPLE TREE ,z CRAB APPLE I I I 0 ""14ps" ELDER LOT 3 SELO' 1 EXISTING El N GAR:��11.5 +II E GARAGE LFE:''907.5 11 \ EXISTING HOUSE Z911 s l 910 i l i WgJP� w BOD - I Joll i so DRAINAGE t TILITY EA44EMFr11"F _ flEV. +e I F_ 'O RIM. E1cv. L O ncv. I LI AI (BITUMINOUS SURFACE) TIDE I I —I- n I 0 20 40 FEET SCALE IN "-----_ NOTE. DRAINAGE ALONG SIDE LOT f►' �`I LINES SHALL BE DIRECTED INTO INFILTRATION SWALES WITHIN EACH LOT. DRAINAGE SHALL NOT BE DIRECTED ONTO ADJACENT < PROPERTIES. I a � I I 1 CURB & GUTTER 17 (BITUMINOUS SURFA SILT FENCE, TYPE PREASSEMBLED, PROPEX 'SILT STOP' FABRIC OR EQUAL -FASTEN TO STAKES 3'x3'x5' WOOD 10' MIN. STAKES O 8' O.C. — ACKFILL EXISTING GRADE— URY BOTTOM 1' OF FABRIC .I I PROPOSED EMBANKMENT SILT FENCE REQUIREMENTS FABRIC AS PER MNDOT SPEC. 3886 8' MAXIMUM SPACING BETWEEN STAKES 2' MINIMUM EMBEDMENT OF STAKES 1' MINIMUM EMBEDMENT OF FABRIC 3'X3'X5' MINIMUM DIMENSIONS OF W00D STAKES HEAVY DUTY SILT FENCE PER MNDOT SPEC. 3886 SILT FENCE WOOD POST MISS Nm 500 LOCATION MAP NOT TO SCALE No \I� ^I�ARI.0 IME 0A, sM,1' IF �N SECTION 8, TOWNSHIP 31, RANGE 22 ANOKA COUNTY, MINNESOTA. GRADING LEGEND EXISTING CONTOURS S E L O —� PROPOSED CONTOURS PROPOSED HOUSE TYPE (SPLIT ENTRY LOOK OUT) GAR: 91 2. 0 SILT FENCE 1 PROPOSED GARAGE ELEVATION DRAINAGE ARROW EVATION LFE. 907.9—PROPOSED LOWEST OPENNGLELEVATION RAIN GARDEN LO: 91 1 .9-/ W 04 INFILTRATION AREA 00 00 z "' GRADING NOTES _j it) PROPOSED CONTOURS REPRESENT FINISHED SURFACE ELEVATIONS. SPOT ELEVATIONS ALONG PROPOSED CURB DENOTE GUTTER LINE OF CURB. WQz W EXISTING UTILITIES SHOWN ON THESE PLANS ARE BASED ON RECORD DRAWINGS AND, WHERE POSSIBLE, MEASUREMENTS TAKEN IN THE FIELD. THE INFORMATION IS m J NOT TO BE RELIED ON AS BEING EXACT OR COMPLETE. CONTRACTOR SHALL CONTACT THE APPROPRIATE UTILITY COMPANIES AT LEAST 48 HOURS PRIOR TO EXCAVATION, TO REQUEST EXACT FIELD LOCATION OF UTILITIES. THE CONTRACTOR IS RESPONSIBLE FOR RELOCATING ALL EXISTING UTILITIES WHICH CONFLICT WITH THE PROPOSED SHOWN ON THE PLANS. (n Z Z IMPROVEMENTS CONTRACTOR TO CALL GOPHER STATE ONE CALL (1-800-252-1166) 48 HOURS PRIOR TO EXCAVATION FOR LOCATIONS OF UTILITIES. T W j CONTRACTOR REQUIRED TO PROTECT THE TREES TO BE SAVED. SHOULD ANY PORTION OF THE TREE BRANCHES REQUIRE REMOVAL TO PERMIT OPERATION OF THEle Z CONTRACTOR'S EQUIPMENT, THE CONTRACTOR SHALL OBTAIN THE SERVICES OF A PROFESSIONAL TRIMMING SERVICE TO TRIM THE TREES. SHOULD THE = 0 Q CONTRACTOR'S OPERATIONS RESULT IN THE BREAKING OF ANY UMB% THE BROKEN LIMBS SHOULD BE REMOVED IMMEDIATELY AND CUTS SHALL BE PROPERLY O Z J PROTECTED TO MINIMIZE ANY LASTING DAMAGE NO TREES SHALL BE REMOVED WITHOUT AUTHORIZATION BY THE ENGINEER. COSTS FOR TRIMMING SERVICES SHALL BE CONSIDERED TO THE GRADING CONTRACT. INCIDENTAL N CONTRACTOR SHALL STRIP, STOCKPILE AND RE -SPREAD SUFFICIENT TOPSOIL TO PROVIDE A MINIMUM FOUR INCH DEPTH TO ALL DISTURBED AREAS TO BE SODDED Do W OR SEEDED. 7► THE PROPOSED GRADING PLAN INDICATES FINAL GRADING AFTER THE HOUSES ARE CONSTRUCTED. THE CONTRACTOR SHALL APPLY A HOLDDOWN OF 15' ACROSS THE BUILD PAD LOCATIONS DURING THE GENERAL GRADING OF THE SITE THE FINISHED BUILDING SUBGRADE ELEVATION SHALL NOT VARY BY MORE THAN 0.10 FEET ABOVE OR BELOW THE PROPOSED ELEVATION. STREET OR PARKING AREA SUBGRADE ELEVATION SHALL NOT VARY BY MORE THAN 0.05 FEET ABOVE OR BELOW THE PRESCRIBED ELEVATION. AREAS TO RECEIVE TOPSOIL SHALL BE GRADED TO WITHIN 0.10 FEET OF THE REQUIRED ELEVATION UNLESS DIRECTED Z OTHERWISE BY THE ENGINEER. TOPSOIL SHALL BE GRADED TO WITHIN X INCH OF THE SPECIFIED THICKNESS. J N THE CONTRACTOR SHALL COMPLY WITH THE REQUIREMENTS OF THE MINNESOTA POLLUTION CONTROL AGENCY - NATIONAL POLLUTANT DISCHARGE ELIMINATION o 0L SYSTEM (NPDES) PERMIT. CONTRACTOR SHALL BE A CO -APPLICANT WITH THE OWNER. THE CONTRACTOR SHALL COMPLETE THE REQUIRED INSPECTION REPORTS Z J Z 2 AND BE RESPONSIBLE FOR MAINTENANCE OF THE EROSION CONTROL DEVICES. Q 0 w w EROSION CONTROL NOTES Y ALL EROSION CONTROL MEASURES MUST BE INSTALLED PRIOR TO COMMENCEMENT OF GRADING OPERATIONS AND BE MAINTAINED UNTIL ALL DISTURBED AREAS Z U g ON THE SITE HAVE BEEN RESTORED. Q W Z TEMPORARY EROSION CONTROL TO BE PLACED AROUND STORM DRAIN STRUCTURES DURING CONSTRUCTION. 0 Z Q 7 SEDIMENT SHALL BE REMOVED FROM ALL SEDIMENT CONTROL DEVICES AS NECESSARY AND MUST BE REMOVED IF DESIGN CAPACITY HAS BEEN REDUCED BY U) 0 FIFTY PERCENT. 0 fY A STABILIZED CONSTRUCTION ENTRANCE SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR DURATION OF PROJECT. W ALL SLOPES 3.1 OR STEEPER, NOT TO BE SODDED AND GREATER THAN EIGHT FEET IN HEIGHT, SHALL HAVE EROSION CONTROL FABRIC INSTALLED. EPA- CHECxEO Me JCJ STREETS SHALL BE KEPT FREE OF SEDIMENT CARRIED BY CONSTRUCTION TRAFFIC. PROJECT A 3446.001 CONTRACTOR SHALL SEED AND MULCH ALL DISTURBED AREAS NOT TO BE SODDED. SEEDING SHALL BE PER MnDOT SPECIFICATION 3876 APPLIED AT A RATE OF FIFTY POUNDS PER ACRE SEEDING IN POND AND INFILTRATION AREAS SHALL BE MIXTURE 310NWT (NATIVE WET TALL) IN ACCORDANCE WITH MnDOT DATE SPECIFICATION 3876 APPLIED AT A RATE OF 82 POUNDA PER ACRE MULCH SHALL BE PER MnDOT SPECIFICATION 3882, TYPE 2- THE MULCH SHALL BE APPLIED IN ACCORDANCE WITH MnDOT SPECIFICATION 2575.3. MULCH TO BE APPLIED AT A RATE OF TWO TONS PER ACRE MULCH SHALL BE ANCHOREDWITH 3/20/14 A CLODS STEW OTHER APPROVED EQUIPMENT.F1. 4of9