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HomeMy WebLinkAboutSW8041030_Approved Plans_20041214M NORTH PER Af.D. F,-. - SEDIMENT TRAP CHART Sediment Disturbed Volume Size Trap Area (Acres) (Cubic Yards) (Length x Width x-Depth) #1 1.8 150 501L x 211W x 41D #2 1.3 150 5011, x 211W x 41D 43 2.1 150 50'L x 211W x 41D #4 2.0 150 501L x 211W x 41D #5 1.8 150 50'L x 211W x 41D #6 2.3 150 501L x 211W x 41D #7 1.9 150 501L x 211W x 41D #8 1.6 125 45'L x 191W x 41D #9 1.2 80 361L x 151W x 41D #10 1.0 70 321L x 151W x 41D 411 0.9 70 32'L x 151W x 41D #12 0.5 40 2511, x 111W x 41D #13 1.3 100 381L x 181W x 411) Design Stz,ndard - 66.7 CY Sediment Trap Volume per Disturbed Acre. AREA Q10 DIAMETER GRADE LENGTH PIPE (acres) (cfs) (inches) (ft / ft) (if) Al 0.47 2.04 18" RCP 0.0063 28 A2 0.80 2.90 18" RCP 0.0056 36 B1 0.20 0.80 1811 RCP 0.0083 - 24 B2 0.38 1.60 18" RCP 0.0050 40 C 0.44 1.60 18" RCP 0.0075 40 Dl 0.50 2.50 18" RCP 0.006 100 D2 0.95 4.30 18" RCP 0.0083 26 D3 1.28 5.80 181" RCP 0.0033 40 E1 0.23 1.00 18" RCP 0.0083 24 E2 0.47 2.00 18" RCP 0.005 44 F1 0.25 1.10 18" RCP 0.0125 24 F2 0.50 2.20 18" RCP 0.0075 40 -G C1.40 1.40 18" RCP 0.0075 40 H 19.0 35.80 48" RCP 0.0106 60 Q=CiA RCP = Reinforced Concrete Pipe tc=5 min. LF = Linear Feet Tract Data LEGEND: OUTLET Total Acreage .................. 44.36 Acres R/W-Right-of-way VELOCITY Number of Lots .................. 43 (L-Centerline Minimum Lot Size .......... .. 15,000 S.F. FOP - Edge of Pavement (fps) .... ISF - Iron Stake Found N/A Average .Lot Size .. 41,645 S.F. MBL-Minimum Building Line 4.22 Minimum Lot Width ............... 60' at M.B.L. S.T.-10' x 70' Sight Triangle N/A 20' at Right-of-way 100 -Street Address 3.75 Smallest Lot Size ............... 17,126 S.F. (Lot 28) -v- -Street Sign 3.97 Linear Feet of Streets .......... 25471 to Sign snap -Stop ig N/A Sewer .... .............. ..... Individual Septic flanks -Traffic Flow Arrow N/A Water . ............ .......... Onslow County stin 3?.6 Exi g Elevation 3.9 Zone ............................ N/A _ ... 40.0 Proposed Elevation N/A Existing Use .................... Undeveloped -Ditch Acreage in Open Space or 3.6 A -Pipe Label N/A other land usage ........... 0 Acres 4.2 Acreage to be dedicated or RRA-Rip Rap Apron 3.7 reserved for the public ....... 0 Acres MRCD-Rock Check Dam Location of recreation =ST -Sediment Trap 9.7 CICB-Curb inlet -Catch Basin area facilities .... ..... .. None Area to be disturbed 22.54 Acres RCPYI--Rd inlet Pipe H only RCP -Reinforced Concrete Pipe tc=25 min. O- -Flow Arrow t i10=5.34 in/hr - RELEASE SHALE TO , �,/ `Swale Label c=0.35 NATURAL GRADE AT -�2 5f Silt Fence ELEVATION 28.0t , W CL Clearing Limits W/ LEVEL. SPREADER �`.j4 �, _.._..-„_--- - Wetlands Line r -Woods Line BO-Blow-off � �A 50!TOCI / r -301.66 FL 31 LE L w r , f_ / { U -R �x i / 3 i 1 '. CE � ro Kn , Y � t .. � r 3 2 J 3 OUT __ . , n�, �t N, v' ay. TOP 3 5,2 , s. x INV- i. �'__ .< 1 � ! }/ � ; ' a,. t ; t , � r , t, s 0 - :� � r : •.. ,, -- . _ �� 1t1V:� 2-.2 ' � • r J ,_ CICB � �} /. 1 Y J♦ r t , t \ �- \ TOP 35 43 / /, 17 ?1 t t� , / In � �;'S� �t � •.c?, '�.. , y: •,„_fir -._•. „,_ � -^ "'�•;!.:,�� .1 `,!••' T' +� , r a f r y ill •®2 ,n � T r Kiln kt s '� � ., Y . = f J � \tR ` INV. OJT TO.fj 34.65 � 3t r ti III o 31.27 tD1V V. 31.40 -~� ! r 7 ---- 46 m i - r' r / + J , ` i' 1' '` ✓",'. �� ( jt�lide -218 , i r- •- ! ,. i f "� ��4 �•- 45 i T } / 4 _r > / tJI,_ Cl r�+�x �, J f ! ( LiN�/. 31t1�1 A�`�6� F+�``` �•, _ ', •`Z 5:1 SWALE q , J 'L t t A - . E / Lf�t? fitt �• t f 1r l t 201 ( t' , ST '!#13 5:1 �aWALE` 1 - i` � i6 8816 c Fry)'i )k?l 3'i G ( j f-C, ` i _\ IN, SPREADER �,_ ;7 f, � r `� IV. t C l Rt`4l r TUI i` E EVA71ON 29 Ot INV .OUT e ,., n,r t _ ,, • � ' l ._ __ -, - / _-, bi/ LEA/EL SP DER � `,, 30:Ti � _. f}r % rY�/r.,.20 _ � -� t , s i, � _ . A •} exi�,�ing l�es,gn i i �� j'``�. I� / i �1' f 100 Luale (.i r" _ _•r,i'^`i. ! p I (jf ` Y 1 f c c \ >z}r 5 f�de�! r r - + i � r w _-� :`�3 f,�``A � -i- - { I \ � .. ,. � � I`� t; � grade ..-}� '• v}, ,` - tt _. _._ s 2Q-- 'i � � .•-, a _ .`` - � r i •'�'it• � % - �. , L t tr, � `-' � � , 1 .. z J a � > t •e t d+ _ r _ t ,3 \ r r , , � 1 �.-f-_5 �_._ ..;, "` _.. - .._ / ,.5 '�_„_. .` •.,--•. - _ �3.. G3�+.=.tdrt q��- r•- / f :r. - _.L'_,.. i t r t ! %1 I � - rear-- • ; - ^,-_ h E-j - ,-=- lK L t i +, } y 4 C vs ty, i ly .f f' rj 1, \ i -< .- } n �cb top o 3 y 1 NOTE rj 1 t r 15 r, / iCl• Contractor shall insure that he and all his workers (contractors, _ __.-. _.. t Tar Kiin. i•Irl. s !' - ` ,_ ,_-._ �; � � - � �_-_ . _ subcontractors and other site personnel) do not damatge construction - stakes or other measures used in laying out the project whether by Section •II �r M.B. 30, Pg,: q'' ,�_ •� �`, / K6 ROADS & DRAINAGE -NOTES: S\ • ,\` � SWALE CALCULATION CHART the Engineer or another entity including those under the employ of the ! .'- _ "�'` -'`t/ contractor. Contractor shalt Cause his workers to observe and verify J to the fullest extent practicable that stakes, other measures and grades i. The streets to be constructed for this project are subject to the i <�`'$ - Area Q10 Side- Channel Velocity are or appear to be, accurate and correct, and immediately, but prior Department (f Transportation Certification Program. The Contractor, - , ''- (acres) {cfs} Slope Slope (ft/ft) (bare)fps to anassociated work notifythe staking entityof an potential Conflict Section y ` , � ii.er shalt iot be responsible � his experts., shall provide teat results on t) 5ubgrade, 2) Base 1 - ;� 0.8 2.90 5: 1 0.008 2.53 error or apestion ding the work. The Erg i� and 3) Pavel tent. The Contractor shall insure that all construction if all of the above measures are not strictly adhered to. The Engineer shalland testing is performed in accordance with the N.C. Deparbyte nt of 2 - ? 9= 68.a 2.44 5 1 0. O10 2. 62 not be responsible where due to , his staking can not be verified. Tra•�spor•tatio.s "Standard SpecificaiUona for Roads and Structures', 3 _ "r' � 1.60 5:1 0.006 1.96 For critical or costly components of the work, where the contractor believes latest edition and 2003 Not Mix Asphalt Specifications and Manual, 4 i-: Gl4. 5.80 5:1 0.010 3.27 that staking may not be preserved, the contractor shall request the staking and shall reel? lir•t the testing and /or core ►ocations, test method, results 5 - - 6 •2 2.00 5:1 0.010 2.51 entity to place staking in an area where its preservation can be insured. and D.O.T. a�lowable range or tolerance, as applicable. 5ubgrade shall 6 - 0-:-6.9 ,14• 2.20 5:1 0.016 3.06 be tested for density. Base and pavement shalt both be tested for 7 - 0-4.0 .1� 1.46 5:1 0.011 2.38 density and thckness. Required thickness for this project is as shown art the ptans,;� that thickness for widening or tun lanes is greater than that for interrtat streets. 2. A minimum si(,ht distartce of IO'X70' shall be maintained along the right-of-way of all internal intersections. 3. 20 foot radii a`, rlQht-of-way intersections, 30 foot radii at edge of pave ^ant Intersections, 4. All culverts ur0e r streets to be reinforced concrete per North Carolina Department rf Transportation Specifications, unless otherwise specified Rev. t2 /olsd®4i} KHW- Ghg. Tt*r-e A0 * VS ten-5+ % CO and/or approiad by the Engineer and/or Department of Transportation. Rev. 12/01/04 K14W - Chg. pvm't and add dbl. cb's 5. All materials c id practices to meet North Carolina Department Rev. 11/11/04 KWW - Rev. 0c1/2q/04 KI4W Add at #8-13 and Obl. CB's - Add street names (c) 6. of Transport! lion Standards. For other detta led construction notes, see plan and profiles. Rev. 08/24/04 KWW - Per PAI review Q=ciA i10=7.17 in/hr. Friction Factors n=0.02 Bare Earth n=0.05 Grass v=1.49 R 2/3 s 1/2 n Note: 1. Spa site plan for typical section locations. 2. S ,tions selected are worse case sections. 3. L',ne all swales with American Excelsior Curlex Blanket o,, line and anchor with sod. P.T.-Ping Tapped GENERAL NOTES: l �o~ FN-Fire Hydrant ,; ® GV-Gate Valve 1. Topographic information was created from c combination of HN-Water Meter + , Lidar elevation data obtained from the N.C. Flood Mapping -tNater Line Program, aerial topographic survey- by J.L. Pierce t Associates RCD W/ 3:1' S LE _ M RCD w/ Level LEvT;L _ y` 0 6 ` r Spreader aid ground topographic survey by Johnny J. Williams Surveying. --___ - ^ 2 Wetlands lotted from a re i a e.d 1, John L Pierce # 29-0, C. 5WAL.E P P Pr t Y Associates, P.A. entitled "Wetland Delineation Map" dated December 10, 2001 and ' approved by the GCE on January 10, ; 2002. -'' 3. Entire development area previously timbered 6' - 10' --j small trees 4 shrubs. 4, Existing design taken from plans titled Troilwood Subdivision - „ Section I' prepared by John L. Pierce t A:i*sociates, P.A. �.. dated August 30, 2002. 5. 5tormwa4er• from this site will flow into m utxta•rted tributary to Queens Creek, that Is classified as 5A WOW waters, BL i 5 ALE EROSION AND SEDIMENTATION CONTROL NOTES: © N/F 1. 5ediment control devices and structures shall be installed, _ \ Wanda Gail Conway z maintained and amended as needed to provide effective control of accelerated sedimentation until the contributing watersheds are stabilized. 2. Construction Sere: A. Notify Engineer, Owner and Land Quality Section prior to beginning construction. B. Install stabilized construction entrances. C Clear and grub street right-of-way and 15' beyond right-of-way r o1 each side. Cleo and grub drainage; and utility easerrfertts 20' t each side of canterlinfis of swale. tea! D. _ Lots are to be cleared on an individu�at _basis. Limit of lot clearing : _ r will be according to the plan as shown. Vitt fence shall be Installed 1a4 r z , 67 at the down slope edge of clearing immediately after ca lot is cleared. Silt fence shall be maintained until the lot is stabilized U .tad completely. Slit fences are shown base on topographic information In the locations expected to be needed to trap sediment prior to e P�E •fit � entering down slope areas. Actual locations of installation shallbe r - to the actual on site topography. That is, 77-CadJ'usted physical .where (0 ? silt fence is not shown on the plan but the actual topography f reflects a downward slope, silt fence shall be installed. Where the F Y7)(7,J7 %Y-Air •l,74 actual topography reflects an upward slop silt fence is not t required. b G r5 E. Construct drainage swales. Construct sediment traps and rock darns Install P. � o� o`l check where shown, storm drat piping. P t�tn9 - F. immediately seed, mulch and install liners to swales. G . Rough grads 'streets. i!,sztict. , ,. «4, weat�r mains. 1. Maintain erosion control measures as heeded to assure full functionabitity. J. Fine grade street. Plane CABC over compacted subgrade. Install asphalt surface course. For additional information, gee roads 4 drainage notes. K. Reseed and mulch shoulders and ditches. Install liners or ►ine and anchor with sod an all swales, (and provide ground cover an all exposed slopes.) e L. Seed, fertilize, and mulch provide temporary groundcover on all disturbed areas within 16 days of oornpleting any phase of the grading work. M. Permanent groundcover for all disturbed areas within 16 working I days or no more than qO cole ridar days following completion of T construction. 3. Seeding Specifications: Apply time and fertilizer and :work into =4 - 6 inches of soli. Seed r mixtureshallbe distributed uniformly artd covered with a <clean tt straw mulch. All 'mulch "it be crimped and/or asphalt tacked to halp hold in place. Material and application rates are as follows: e' t. Material Application Rate pp Lime 1000 lbs./ac. Fertilizer (10-10-10) 800 lbs./ac. Mulch 1.5 tons/ac. Permanent Seeding Common Bermuda (Unhulled Sept. l - April 1) 100 lbs./ac. (Hulled April 1 - Septa 1) 75 lbs./ac. t: "Rebel" Fescue 50 lbs./ac. A Rye Grain (Sept. 1 - April 1 only) 50 lbs./ac. -"• i ( German Millet (April 1 - Sept. 1 only) 50 lbs./ac. Temporary Seeding Dec. 15 - April 15 Kobe Lespedeza 50 lbs./ac. ` Rye Grain 100 lbs./ac. April 15 - Sept.1 f / German Millet 40 lbs./ac, " 1 Sept. 1 - Dec. 15 29 Rye Grain 100 lbs. /ac. ------- ( ace wur, t c cv r L r ! 3'` T 4, Contractor is responsible or maintaining all erosion control- a f tr f ore t•,a ��• P l {� M.B. 43 q2 gr����(,7•i?;i•++^'va*I. + �/ ;_-_f and amend measures as recWired to pre3tirent accelerated erosion frarn taking place on this site. ♦Z°(�L1Z--r•'1"'` s Y 5. CAtce all areas have been stabilized contractor is to remove _ - . _ ! r 7 w� f temporary . r. 3 .. r r •t _ , r _ - t ores ode mt.l h to r s bill orlon- ta=c r c e: to ze these 7 6. Fa^ i lonai i s ' ionsedimentation add t rer.� see the approved - erosion and permr it. , � a : s Y -r' ALe DAPEX RAI f t t E 10.30 / \ - i General Grading, Drainage, E n and 'C,Ci.it,lftq :,1e7ic:t'tt , O, g. !.. Pg r t ••l 1 ortland Place l::G' �v `�t-�:;�i� i�l✓ t��i �1c3.�C� { �.- -'t _. 50 R/ W t �' i unen on on o an i nr. 3 c 7 nv a7.aA TRAIL O D SECTION III _ Velocity (grassed) fps Depth of flow 4'�`Z C R °°•a t?t Swonsboro Twp., Onslow Go,, NortF; Carolina 1.27 0.68 ®"` ,`�° .*g LJ , 1.320.60 0.98 0.57 Swans Builders, LLC 8 4 ;�' .. �' a 1. 64 0.84 P A: Box 7287 1.26 0.56 Jacksonville, North Carolina 2E5641 1.54 0.53 (qI0) 347- 2062 1.19 0.48 >,� , l�.-.....,.•!- `.,y�;a GRAPHIC 5CALE: i 100' DATE 08/03/04 t 0 50 100 200 300 DEC 1 3 200 SCA L• E : 1 ii = 100' F>`1<T Parker & Associates, Inge ,lag Horizo DATA COLLECTOR: TRAILWOODIII.* Consulting Engineers - Land Surveyors Land Planners FIELD BOOK: N/A P.O. Box 976 - 28541-0976 DISK NAME: ACAD 880A 306 New Bridge Street - 28540 :•: FILENAME: TRAILWOOD53.DWG KNW Jacksonville, North Carolina _ JOB NO.: 5030522-345q Shi'et 2 of 7 Phone {910} 455--2414 - Fax (914) 455-3441 ,