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Home My WebLink AboutWPO201800088 Approval - County 2020-04-20 (2)�MANkED' , * ESCP AMENDMENT NARRATIVE �, 10 LO�E 1 �� I —�/ /� a // — __—�\ 1. THIS AMENDMENT ADDS 2 SOIL STOCKPILE AREAS FOR THE PANTOPS CORNER - N Z R A / I IPI , / > VSMP CONSTRUCTION. THIS STOCKPILES WILL BE LOCATED ALONG THE REAR '� W \ PAVEMENT AREA IN THE BACK OF THE TMP 78-6, AND IN THE GRASS AREA Z / , r �Z NEAR THE BLDG. � w PAVEMENT/2. THIS AMENDMENT FOR STOCKPILING WILL ADD ABOUT 0.70 AC TO THE LIMITS W I �___.- I OF DISTURBANCE, BRINGING THE TOTAL TO 9.45 AC FOR THE PROJECT. W o i 100 YR F OODPLAIN / / I 15" TORM 3. THE STOCKPILES LESACHIEVEPERMANENT STABILIZATION. THE DOWNSTREAM AREA W Z SHALL BE PROTECTED FROM EROSION WITH SILT FENCE & INLET PROTECTION. wV) 4. SINCE THE STABILIZED STOCKPILE WILL SHEETFLOW, AND THE TOTAL RUNOFF II I I LIMITSOF / TO THE STREAM WILL BE REDUCED DUE TO CONVERTING IMPERVIOUS ►� DISTURBANCE / � ' � � �� '%�IN � ' GR/AVEL ; ! j SURFACE TO PERVIOUS, NO RUNOFF ANALYSIS IS REQUIRED. � 5. PRESERVED SLOPES SHALL NOT BE DISTURBED WITH STOCKPILE ACTIVITIES. IN // i_ i I Q SF - � �j � i 3 w t V) Li I I I 3 �Slb= J W WOODS I / / / �� Ex. 15" sT / ! ; i 3 _ w V I � I Q 1 W — J E V �I '' I I DI 0)0 I I I S NOTE: PLACE SILT FENCE / ALONG EX. EDGE OF GRAVEL. I / DO NOT DISTURB SLOPES. / EX. 15 ST/0 i STOCKPILE 1� I _ — ° ` S�l1 P �* I � I I 14,200 SF I - J i �-.«_ 18 North I E TEEMPORARY OIL STOCKPILE / / / / / / / M� PS /IOSNAPPROX�ITH GRASS �10ATALOCKPILE I I / / / / / / O ' I I / 1000, 1/ / // // /' / / / - / STABILIZE SEED & 30 0 30 60 90 1 STRAW. / 1 _ // // // ; STOCKPILE 2 _--- Scale: 1 = 0 5500 SF •� ;= - SF I 3 o .- / WOODS _100 YR LOODPLAI -- I PAVEMENT PAVEMENT PAVEMENT n 0 Q EX. EDGE OF I I 13 2 00 _9 E o PAVEMENT I I 0 v� cC —1 19" DIAMETER I o L, l STRAW— OR MANA ED IEX. BUILDING " I G 1 GRAVEL— FILLED SLOPES I \\ II I o o vco TEMPORARY/ SOIL STOCKPILE WATTLE. SECUREWITH c� — I / / / AREA. ON STOCKPILE EAR OF EX. ASPHALT I AS NEEDED. TM I 8-6 I �� I I Q / P S V / / I I A L-I L- IY V I I— I O w 0 10 —15 ALL. STABILIZE WIITHI I — �' _ I �j U " SEED & STRAW. I A R I H M R D L- L- — 478 __ 3 o 0 0 I _ PAVEMENT — N / I �+ o000 D 15d9 P G 5,04 --_ i I 3 O N N N N NACRES I I �� c�j 0 1(czs / / / / J / 3"JIL000 I 'GRAVEL CCES ROAD 1� I 1 \ I I 00 N G DINS ESMT \ ' I ' '\ I �5 T�MR SAF 4 \ SA C 0 AP�RQX. /OCA ION 16.5 ES T ISTURLIMIBANTS OF' \1 I \ I _ � I ! DBE 4553 P��473—�86 F�R 'AM ICATELERHONE (& 9 TELE�GRA H C\p.OF VAS— ( 7t CURRENT PANTOPS CORNER — — o / CONSTRUCTION AREA _ , _ _ _ \ 400\ AT&/T/FLAG I / �380 \ \ / / 390— 396 — / 4' EP PER SONAR/ A- D'ETECTIO� I // I, 1 I — / , \ \ \` �\ �\ 400_ \ FLAT GROUND APPLICATIONS II l \ For installations along sidewalks or behind curbs it may not be necessary to stake the wattles, however, trenches must still be dug. If you have not yet back -filled behind the sidewalk or curb, lay \ \ the wattle snuggly against it first, then backfill behind the wattle. Your trench is done! For 1 \ installations around storm drains and inlets, trenches and staking will be needed. / I \ Fit wattle in trench snugly up against the sidewalk or curb. Around storm drains or inlets, the wattle UTURE CURB / — / should be back 1-1'% ft. and should direct water flow toward the angle of drainage. If all drainage \ \ angles into the inlet, snake the wattle all the way around the inlet, using more than one wattle if CURRENT PANTOPS CORNER BORROW, FILL AND WASTE AREA NOTES: needed. STAKING CONSTRUCTION AREA a. Each borrow, fill, or waste area shall be subject to the following: \ We recommend using wood stakes or willow cuttings, rather than metal pins, to secure the straw ' 1. Each active borrow, fill or waste area shall be shaped and sloped so that no undrained pockets or stagnant pools of water are created to the wattles. Wood stakes will eventually bio-degrade, and willow cuttings will grow and provide extra / maximum extent reasonably practicable as determined by the program authority. All undrained pockets and stagnant pools of water resulting from stabilization. Be sure to use a stake that is long enough to protrude several inches above the wattle: drainage shall be treated as required by the Virginia Department of Health to eliminate breeding places for mosquitoes and other insects. 18" is a good length for hard, rocky soil. For soft, loamy soil use a 24" stake for greater security. MATERIAL SPECIFICATION 2. No fill or waste area shall be located either within the flood hazard overlay district, except as authorized by section 30.3 of this chapter, or in any The diameter of the stake should be approximately 1" for ease of driving through the wattle. stream buffer area as defined by Chapter 17 of the Code of Albemarle. (Amended 10-3-01; 7-3-02). 3. Each fill or waste area shall be only for the disposal of soil or inert materials. The disposal of any other materials in a fill or waste area is 3� -� - 9Wattle (1.2m) prohibited. �� ` 4. Each borrow, fill or waste area shall be reclaimed within seven days of completion of the borrow, fill or waste activity, or such later time authorized F�y 9" Straw Wattle by the program authority for reclamation activities of a seasonal nature. Reclamation shall include, but not be limited to, restoring the area so that strew, Rolls ill" it approximates natural contours; shaping and sloping the area to satisfy the requirements of subsection a 1 ; covering the area with clean fill to 6ePlaced Along 1^` PP P 9 P 9 Y 9 ()() 9 N. slope Contour. a minimum depth of two feet in order to allow for permanent stabilization and reclamation; and establishing a permanent vegetative ground cover; v Adjacent rolls shall The 9" straw wattle shall be made with compacted agricultural straw compressed inside tightly abut - provided that the program authority may reduce the minimum depth of clean fill to one foot if the area is unlikely to be redeveloped. For areas % 11II l tubular polypropylene netting. Both ends shall be tied shut. The sediment control that are restored to original pavement cover, contractor shall scrape all soil and rubble from pavement and maintain silt fence until pavement is �Y 1 product shall have a nine inch diameter (±10% . The wattle shall be in standard length of P P P � P ) g APPROVED free of fill. - 20'-0" (±10%), with other lengths available upon request. It shall weigh approximately (II 68 pounds (_10%). by the Albemarle County b. If the aggregate area of a borrow, fill or waste activity will be greater than 10,000 square feet, then, as part of any permit issued pursuant toCommunity Development Department section 17-207 of the Code of Albemarle, the program authority shall first approve a plan or a narrative for such activity that satisfies the 10'-25-(3-8a) Wattles shall be packaged 5 per pallet. Each pallet shall be wrapped snuggly in shrink Date 0 4 / 2 0 / 2 0 2 0 requirements of subsection a and the following: film. The wattle shall be installed with wooden or metal stakes laced 4'-0" on center. q O The shall beti tightly adjoined. p File WP0201800088, Amendment 1 1. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle. Before a transporting vehicle leaves the parcel Y g Y J or parcels on which the borrow, fill or waste area is located, it shall be cleaned so that no inert materials outside of the vehicle's load -bed can be deposited on a public street. Requirement to clean transport vehicles does not apply to vehicles that do not enter an public or private road but Spacing Depends P P q P PP Y Y P P r on soil hype and ' ,��[\� Sediment, organic matter, and native seeds are MATERIALS: �i. use internal intro -parcel (temporary) haul roads only. Slope Steepness , �capwreabehmamermia. 2. The borrow, fill or waste area and the access roads thereto shall be treated or maintained to prevent dust or debris from blowing or spreading onto adjacent properties or public streets. Depending on the anticipated intensity and duration of the activity and the character of the development of Fiber: 100%Straw Fiber adjoining properties, the program authority may require setback, fencing and landscaping requirements as deemed appropriate, but which shall not ii, 3.4lbs/sq yd exceed the requirements of sections 30.4.6, 30.4.7 and 30.4.9 of this chapter. -� Netting: Tubular Black polypropylene 3. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00 a.m. to 9:00 p.m., except in cases of a Photodegradable public emergency declared pursuant to section 2-1003 of the Code of Albemarle. \T 3•s•(75lzsmm) 4. Borrow, fill or waste activity shall be conducted in a safe manner that maintains lateral support, in order to minimize any hazard to persons, ` " a -to olA. Closures: Metal Tie physical damage to adjacent land and improvements, and damage to any public street because of slides, sinking, or collapse. \�/� C\ (200-250mm) 5. The placement of fill or waste shall be completed within one year of its commencement, except for reclamation activities and any other activities associated with the final stabilization of the area. The program authority may extend the date of completion upon the written request of the Stake a`- f\_- WATTLE DETAILS applicant, demonstrating that factors beyond the control of the applicant prevented the completion within the one-year period. The program Live 30 0 30 60 90 PP 9 Y PP P P Y P . 9 USE WATTLES ALONG TOE authority may then extend the permit for a period of time that, in its sole discretion, is determined adequate to complete the work. �� \\, net to scale 1"(X 25 125 Stake OF STOCKPILE ON THE Scale: 1"=30' t` PAVEMENT SIDE NOTE: t- Straw roll installation requires the placement and secure staking of the roll in a trench, 3••-5•' (75-125mm) 0 LPL >: Z Z W O O Z U W W Q J Z LL W � J Date 07/16/2019 Scale 1 "=30' Sheet No. Al OF 1 File No. deep, dug on contour. runoff must not be allowed to run under or a roll.