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HomeMy WebLinkAboutWPO202200036 Plan - VSMP 2022-08-12VSMP PLAN LEGEND EXISTING NEW 10 10 f 1.00' ---310--- 311.5 311.5 TC x 311.5 TW x 311.5 BW x EE 10 11�0 XO 578XTC 57ariw 5781X BW 0 RD RD O S S W W ev ®v O O GAS GAS DESCRIPTION BENCHMARK SITE PROPERTY LINE ADJACENT PROPERTY LINE VACATED PROPERTY LINE BUILDING SETBACK PARKING SETBACK ACCESS EASEMENT PARKING COUNT DIMENIONS GRADING EASEMENT INDEX CONTOUR INTERVAL CONTOUR SPOT EVELVATION TOP OF CURB ELEVATION TOP OF WALL ELEVATION BOTTOM OF WALL ELEVATION RETAINING WALL STAIRS BUILDING ROAD -EDGE OF PAVEMENT ROAD- CENTERLINE ROAD -FRONT OF CURB ROAD BACK OF CURB CG-2 STANDARD 6" CURB CG-6 STANDARD 6" CURB AND GUTTER CG-12 STANDARD ACCESS RAMP SIDEWALK BIKE PARKING PARKING SURFACE CROSSWALK HANDICAP ACCESSIBLE AISLE HANDICAP PARKING CONCRETE/PAVEMENT-SIDEWALK RIPRAP ASPHALT GRASS EC-3 MATTING EC-2 MATTING WETLAND TREELINE FENCE STREAM UTILITY EASEMENT UTILITY POLE LIGHT POLE OVERHEAD UTILITY OVERHEAD UTILITY GUY MANHOLE STORM LINE ROOF DRAIN DRAIN INLET DRAINAGE EASEMENT STORM DRAINAGE EASEMENT SEWER LINE SANITARY EASEMENT WATER LINE WATER METER WATER VALVE AND BOX FIRE HYDRANT WATER EASEMENT GAS LINE OWNER (TMP 07800-00-00-073A7) WS FOUR LLC 3600 PACIFIC AVENUE VIRGINIA BEACH VA, 23451 OPERATOR (TMP 07800-00-00-073A7) WS FOUR LLC 3600 PACIFIC AVENUE VIRGINIA BEACH VA, 23451 ZONING Proffered ZMA-1998-00020, ZMA-2002-00008 DISTRICT Scottsville LEGAL REFERENCE Tax Map 78 Parcel 73A7 DB 5437 PG 293 SITE COORDINATES 38.031561.-78.447626 BMP COORDINATES Detention Pond: 38.031822,-78.448212 Underground Storage: 38.031285,-78.448212 STORMWATER FACILITY MAINTENANCE REQUIREMENTS Owner is responsible for all maintenance requirements. Maintenance shall be performed for the detention pond as indicated below: 1. Seasonal inspection of all inlets for blockages 2. Annual inspection of side slopes for erosion. If erosion is identified, stablize the area immediately. 3. Seasonally mow the bank of the pond to prevent woody vegetation growth. Maintenance shall be performed for the underground storage system as indicated on sheet C14. GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS 1. The plan approving authority must be notified one week prior to the pre -construction conference, one week prior to the commencement of land disturbing activity, and one week prior to the final inspection. 2. All erosion and sediment control measures will be constructed and maintained according to minimum standards and specifications of the Virginia Erosion and Sediment Control Handbook and Virginia Regulations VR 625-02-00 Erosion and Sediment Control Regulations. 3. All erosion and sediment control measures are to be placed prior to or as the first step in clearing. 4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times. 5. Prior to commencingland disturbing activities in areas other than indicated on these plans 9 (including, but not limited to, off -site borrow or waste areas), the contractor shall submit a supplementary erosion control plan to the owner for review and approval by the plan approving authority. 6. The contractor is responsible for installation of any additional erosion control measures necessary to prevent erosion and sedimentation as determined by the plan approving authority. 7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing activities and during site development until final stabilization is achieved. 8. During dewatering operations, water will be pumped into an approved filtering device. 9. The contractor shall inspect all erosion control measures periodically and after each runoff producing rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of the erosion control devices shall be made immediately. 10. All fill material to be taken from an approved, designated borrow area. 11. All waste materials shall be taken to an approved waste area. Earth fill shall be inert materials only, free of roots, stumps, wood, rubbish, and other debris. 12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning Ordinance section 5.1.28. 13. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle. 14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of 7:00am to 9:00pm. 15. Borrow, fill or waste activity shall be conducted in a safe manner that maintains lateral support, or order to minimize any hazard to persons, physical damage to adjacent land and improvements, and damage to any public street because o slides, sinking, or collapse. 16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater management facilities where applicable all erosion control measures required by this plan regardless of the sale of any lot, unit, building or other portion of the property. 17. Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 Ibs/acre, and in the months of September to February to consist a 50/50 mix of Annual Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control inspector. 18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6 inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or Tall Fescue and 0-5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control inspector. 19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to structural measures is to be repaired immediately. Silt traps are to be cleaned when 50% of the wet storage volume is filled with sediment. All seeded areas are to be reseeded when necessary to achieve a good stand of grass. Silt fence and diversion dykes which are collecting sediment to half their height must be cleaned and repaired immediately. 20. All temporary erosion and sediment control measures are to be removed within 30 days of final site stabilization, when measures are no longer needed, subject to approval by the County erosion control inspector. 21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval. (Water Protection Ordinance section 17-204G.) 22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the land disturbing activity commenced. (Water Protection Ordinance section 17-207B) EXISTING USE Vacant Commercial Land PROPOSED USE Hotel LAND USE SCHEDULE EXISTING SF AC % Impervious Area 2,193 0.05 1.9% Wood/Managed Turf 115,190 2.64 98.1% Total 117,383 2.69 100.0% PROPOSED SF AC % 0 Building 13,272 0.30 11.3% Pavement 53,143 1.22 45.3% Impervious Area 66,415 117,383 1.52 56.6% iu�50,968 1.17 43.4% Total 2.69 100.0% Limits of Disturbance = 2.87 ac SOURCE OF BOUNDARY AND TOPOGRAPHY BOUNDARY & TOPOGRAPHIC INFORMATION FOR PARCEL PROVIDED BY: FORESIGHT SURVEY, PC 106 CROFTON PLAZA, SUITE 8 PALMYRA,VA 22963 Field Survey Performed: July 26, 2021 TWO (2) FOOT INTERVAL CONTOURS PROVIDED BY LIDAR, VIRGINIA GEOGRAPHIC INFORMATION NETWORK, 2016 BENCHMARK & DATUM: NAD83 VIRGINIA STATE PLANE SOUTH NAVD88 VERTICAL DATUM GENERAL NOTES 1. The information and data shown or indicated with respect to the existing underground utilities at or contiguous to the site are based on information and data furnished to the owner and engineer by the owners of such underground facilities or others. The owner or engineer shall not be responsible for the accuracy or completeness of such information or data. The contractor shall have full responsibility for confirming the accuracy of the data, for locating all underground utilities for coordination of the work with owners of such underground utilities during construction, for the safety and protection thereof and repairing any damage thereto resulting from the work. All of these conditions shall be met at no additional cost to the owner. The contractor shall contact "Miss Utilities" of Virginia at 1-800-552-7001 prior to the start of work. 2. When working adjacent to existing structures, poles, etc., the contractor shall use whatever methods that are necessary to protect structures from damage. Replacement of damaged structures shall be at the contractor's expense. 3. The contractor shall be responsible for protecting all existing site structures from damage and coordinating work so that the owner can make necessary arrangements to modify/protect existing structures from damages. 4. The contractor shall be responsible for notifying all utility owners, adjacent land owners whose property may be impacted and the Virginia Department of Transportation prior to completing any off -site work. 5. Contractor shall notify and coordinate all work involving existing utilities with utility owners, at least 72 hours prior to the start of construction. 6. Contractor shall immediately report any discrepancies between existing conditions and contract documents to the owner and engineer. 7. Contractor shall submit for the approval of the owner submittals of all specified materials listed in the plans, to include shop drawings, manufacturer's specifications and laboratory reports. the owner's approval of submittals will be general and will not relieve the the contractor from the responsibility of adherence to the contract and for any error that may exist. 8. All bare areas shall be scarified, limed, fertilized, seeded and mulched. 9. All trees, saplings, brush, etc. shall be removed from within the right of way and the drainage easements. 10. Visibility of all mechanical equipment from the Entrance Corridor shall be eliminated. 11. Retaining walls require separate building permits. 12. All water service lines, sanitary laterals, and sprinkler lines must be visually inspected by the Albemarle County Building Department from the main to the structure. 13. Where the flood level rim of plumbing fixtures are below the elevation of the manhole cover of the next upstream manhole in the public sewer, the fixtures shall be protected by a backwater valve installed in the building drain, branch of the building drain, or horizontal branch serving such fixtures. Plumbing fixtures having flood level rims above the elevation of the manhole cover of the next upstream manhole in the public sewer shall not discharge through a backwater valve. Parrot ,ard BBQ OVERLOOK HOTEL TAX MAP 78, PARCEL 73A7 ALBMARLE COUNTY, VIRGINIA VICINITY MAP SCALE: 1"=500' oly"146, Wawa Guacalala:a© zo �BMVJ Of Charlottesville a Umansky Toyota Q 'w IPCarM 1TE Grill+Bar ® Orner DeorOas� Auto Parts s,�nao ❑r , rm `biro and reg.l;a,,., 4i Carriage Hill Apartments Giant food s %0 ap & Q1%10r1tsamee n `. Mill The Heritacie Inn Map provided by Google.com SHEETINDEX C1 COVER SHEET C2 EXISTING CONDITIONS C3 SITE & UTILITY PLAN C4 GRADING PLAN CS STORM PROFILES & SECTIONS C6 STORM PROFILES & SECTIONS C7 EROSION & SEDIMENT CONTROL NARRATIVE C8 EROSION & SEDIMENT CONTROL PLAN PH 1 C9 EROSION & SEDIMENT CONTROL PLAN PH 2 C10 EROSION & SEDIMENT CONTROL PLAN PH 3 C11 EROSION & SEDIMENT CONTROL DETAILS C12 EROSION & SEDIMENT CONTROL DETAILS C13 BMP DETAILS C14 BMP DETAILS C15 NOTES Peed o1y 0,01 Rdkln Ra 0 Mountaintop vValgree,ns O Virginia Department of Motor Vehicles Slarbucks ip ,� 6° qd SHIMP ENGINEERING LAND PLANNING - PROJECT MANAGEMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TH � f� O v JU S Ne a iNo. l / e83 �O "pll`4l liZ�4v4 .. 0 O I E S S �G AL N _ VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 REVISION: FILE NO. COVER SHEET 19.039 C1 //� WATER METER(2) 8.0 FIRE HYRANT ,• / \ WATER VALVE I y-:: / // /,'/ \ SIGHT POLE 3.3 9.0 9 \ \ \\\ \ \ \ ♦ 9 3 / �\ STMM TMP \\\ \\�� \\\ \\\\\� \\ \� \\\ )49 \ TOP=496./ STDI 78-13A \ --- �� \ \ \ \ \\ I I / TOP=A96.21' HAPPY NXES PANTOPS LLC _ DB 47� PG 710 ���-�`\\\\ \1. \ _ _ — — / `--- A// \ \ \ — — _ 'RCP \ I \\ \ \\ — INV 469�t_�\ \�\ 1 I •:. y \,\ / // d�4-rotidrF� // \) Ir \ \ \ 4667--x1 o 44, l / /l I \\ // ////,/ ///////j / %� / ji/% �j /� / l ///i / i j i \\•.� r: 504.%\d \ / \ \ rn 460.7 458.4 x, ^^ SHIMP � C C D � //' � 49 / // /// / \\� � \ \ \ \ b\ + 4 GI L�#\ING / / / / i �9.c ( / / / / / h I \ \ \\ \� �� \ N N g0 �/ / �� / 495.1 l l a % \ \ LAND PLANNING -PROJECT MANAGEVAENT x4.9 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM /� ( / / / / INV�454.8't ( TM 78173A7 // / / I / / / / / I ,/ / /// I I l ✓ --' / / i / / / / \ 2.695 AC / i / / / / TMP 78-73A4 117_383\SF / / �/ / IFI I /i' i'/'i// i'i �/ / / // ( \ \ \ \\ \ �/}'93.8 // I I / / / / 1. I — SUNTRUST BANK T$�,.,w 'i'/'/ � �'/ ; \\ \\ \\ \ \\\\`/ DB 2733 PG 21 4 \x494.2 l\ // / / , // / // / // /Ij I j \\ \\ / / / / / / i .No. 83 / RETAINING V�/ALL -5d0. SSIONAL 'F' 46 / / I TMP /78-13 DJCM INVESTMENTS LLCM— // DB 3908 PG 327 I /' // /// //' //%/ j// /'/ �i' ��'��'� / 1 // i j /-----_�i'✓/,// �' i''�2o / \ //'\\ \\\ \ VSMP PLAN FOR 6 OVERLOOK HOTEL 4>L� I' I/ I � I I I 1 J��/ // / I / / i/' � i' � / � �� / / /� / \ \ \ ALBEMARLE COUNTY VIRGINIA TMP 78-73B1 \ \ SUBMISSION: 46 LEGACY FOUNDATION / \ \ I08.12.2022 O REVISION: IF N i' 4s1.s/ // , // \ / I // /1 \ \ �� �— � /// FILE N0. 19.039 461. EXISTING CONDITIONS & DEMOLITION PLAN B \I1I \\ —460/mooW4� 30 0 30 60 90 437 / \\ \\\ \\ i'' // / I III _ // C r Q0 �S 461 / // / / / / / �/ /' /' / / / / / \ \ \ \ /' /' \ \ Scale: 1"=30' TMP 78-13 DJCM INVESTMENTS LLC DID 3908 PG 327 n� h' a tiM 7TREE \ = PROTECTION FENCING IF TOP OF DAM ELEV. 464.0 CONNECT SANITARY EXISTING ACSA UTI Y THROUGH ADJOIN G PARCEL PUBLIC SAN. M 36" STANDPIPE RIM ELEV. 462.00 2.5" ORIFICE ELEV. 460.0 / 4" ORIFICE ELEV. 461. 0 p/ B 58 LF EMER. SPILLWAY ELEV. 462.50 32 LF 24" 24" CMP� INV= 454.8't I 0 6' E A4 T� CONNECT WATER TO EXISTING WATERLINE WATER METER(2) WATER VALVE w[eplimje]w7 FIRE HYDRANT \w \b \ w b\b w\ w °\ \ \ w b\b w b b\ c \ \ \w e\b\ \ e \w \e\ LIMITS OF DISTURBANCE = 2.87 AC i\ b\ a e \ \t TMP £ 78-13A HAPPY BOXES PANTOPS LLC DB 4758 PG 710 //\\ 24" R RCIF.`. INV=4 1 E 5R35.00'- \s STEPPED RETAINING— ALLS 6' MAX HT. \ s \ ,O R MANAGED SLOPES s 83 / M � \NA / 6 A O 3H-1 / N ' 00 V N SECOND �0 e FLOOR PATIO- 0 ENTRANCE FFE 501.00 K TM 78-73A7 2.695 AC F_ lyP 117,383 SF 4—STORY 122 ROOM HOTEL FFE 491.00 c� "O � / STMH —496.21' TOP-4� 1 JO ���TR,yRST gGTO ticF F i \Z r� 6 PLANT., • � � QF' QG vP .. A5' s� c' CLM:3A � lCO A4 57 PVC \l \\ S / 4640 SF R—TANtK UNDERGROU D G ID / / TMP 78-73B1 \ STORA E S STE / LEGACY FOUNDATION IF IF i / / IF IF /\ M OF DISTURBANCC\= 2.87 AC \ \ 9,P19� ��ydOlVljrc I�Th' q p `SO L S 09 N \TO EX. *\ SIHEWALK `\ ON \ b\b \ \b \b SHIMP ENGINEERING2. LAND PLANNING - PROJECT MANAGEMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TH q- u Ju s W a i . No. 83 1 0 �(i2! ZZ wa � G SS/n�r�■ VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 \ REVISION: FILE NO. SITE & UTILITY PLAN 19.039 30 \ 60 \ 90 C 3 8.0 / 3.3/ \ \ \ \\ \ \ \\ \, o\ ' / \J \' \a \ \ o LIMITS OF DISTURBANCE = 2.87 A 3 TMP \\ \\ 78-13A HAPPY DQXES PAN TOPS LLC DB 47�§V PG 710 / / \ x ca 504. 460.7 l� I I / / / / 1 \ \ \ ryR o. ry \ /// i ///' / i ' i , i �� e _ - .�i `•:// / ,�`Y� // // � / —/ \�\-- \ \\\ \\ \a\aka SHIMP \N ENGINEERING \ \ \ / "j' + W �i / / .1,.0� / / \ \ �� LAND PLANNING -PROJECT MANAGEMENT ice' /i" / l l /l/ \ \ \ \� 7 / ' i' / , j // // / �G/ / / / . /` .' l / I •/. �/ l l l 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TM �78,73A7 2.695 \AC IF / /� 117,383 SF / i 9 / I / I � / / I TMP 78-73A4 1 X493.8 /' I I / TW 1. I SUNTRUST BANK / 1 \ DB 2733 PG \\494.2 l\ ✓: / // �/ \ --,\ \ — i � THE. 66 / UJU S MP a \ A 4 Ian /0F DISNRBANft 22 cs 46 SIONALE I TMP DJCM INVESTMENTS LLCI DB/3908 PG 327 VSMP PLAN FOR 46 �'EDI J FINNING WAL � OVERLOOK HOTEL TMP 78-73B1 46 // f / / f / / / / / / d / - / )L \ \ \ ALBEMARLE COUNTY, VIRGINIA '' \ EGACY FOUNDATION / \ \ I SUBMISSION: > \\ \ 08.12.2022 / \\ \ 4Z9 // / //r W // / /// PGF"F-PG�I o� REVISION: FILE NO. GRADING PLAN v V A 461 ///f//// /f'/ ',' /f/ / / \ \ \\ \ / /' /' ` 20 0 20 40 60 Scale: 1°=20' 500 495 490 485 480 475 470 465 460 455 450 445 0 9+50 10+00 10+50 11+00 11+50 STORM PROFILE Al -UNDERGROUND STORAGE HORIZ. SCALE: 1 "=30'. VERT. SCALE: 1 "=10' 4640 SF R- 12+00 500 495 490 485 480 475 470 465 460 455 450 12+50445 500 495 490 485 480 475 470 465 460 455 450 445 44 9 STORM PROFILE AO - EX 24" RCP HUNIZ. SUALL: 1 =.5U , VLN I. SUALL: 1 =1 U NOTE: 2.5" AND 4" ORIFICE TO BE SEALED DURING USE OF THE SEDIMENT BASIN. THE SEDIMENT BASIN CAN REMAIN IN PLACE AFTER CONSTRUCTION. WHEN CONVERTING TO PERMANENT DETENTION POND, REMOVE THE DEWATERING DEVICE AND UNSEAL THE PERMANENT ORIFICES. 515 510 505 -1!• 1!• -� 1 ---��. .. 495 •, -1!• 1!• -. •11� fS�I- ---1!• 1!• ul!• �n�--�•ira11Yi11!•�- 485 -1!• 1!• � nlll� : . • � 1 - Iran- � i[:1�'l�iC�lYr-� �•1'!Txm' �WRdS�� I �L':Ct7 �� � 1!_I!••1"rl!• mlrffl I�rw_L17 _ 6nii 475 1 465 460 455 445 9+50 �_1111111■ 1!• �_�_ 1 �_�_ � -1!• 1!• =� 1 -- -_I!• 1!• -_�_ 1 -_-_ 44 . • .. . •• . 44 • 04 . 00 &STORM PROFILE UNDERGROUND STORAGE - AB - % WOkIZ. SCALE:_ • 520 515 510 505 500 495 490 485 480 475 470 465 460 455 450 15+5D445 SHIMP ENGINEERING2. LAND PLANNING - PROJECT MANAGEMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TH � O v Ju s w a i . No. 83 � G SS/n�r�■ VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 REVISION: FILE NO. STORM PROFILES Mal C51 VDOT ER Y SLAB 2 POINTS OF ACCESS WITH DDERS ON EACH SIDE OF WEIR 1�i1mml J VRI�IVC W/ DEBRIS CAGE )MH STR. A3 ISOMETRIC VIEW C6 TNOT TO SCALE HDPE STR A? SAFETY SLAB OPENING PRECAST CONCRETE TOP=478 MH-1 FRAM E COVER STIR. A3 BASE INV=473.00 (72" MANHOLE) SAFETY 15" HDPE I INInFRrRni iNin �TnRAr,F 473.00 2 MH STR. A3 DETAIL C6 SCALE 1"=2' OPENING TOP OF MH ELEV, 485.00 uL/ I I \I IVI MH INV=473.00 3 WEIR WALL DETAIL C6 SCALE 1"=2' BOTTOM OF ETY SLAB TO ABOVE HIGH ATER ELEV. PROVIDE REINFORCED WATERTIGHT CONNECTION TO STR. (72" MH-1 ) RIFICE W/ CIS CAGE 473.00 SHIMP ENGINEERING LAND PLANNING - PROJECT MANAGEMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TH � u Ju s w a i . No. 83 � G SS/n�r�■ VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 REVISION: FILE NO. STORM PROFILES & SECTIONS 19.039 C6 PROJECT DESCRIPTION, GENERAL NOTES, EROSION & SEDIMENT CONTROL NOTES, AND SEQUENCE OF CONSTRUCTION PROJECT DESCRIPTION THE PURPOSE OF THIS PROJECT IS TO BUILD A HOTEL AND PARKING AREA. THE TOTAL AREA OF DISTURBANCE IS 2.87 ACRES. THE PROJECT INVOLVES THE FOLLOWING WORK ACTIVITIES: 1. THE CONTRACTOR SHALL COMPLY WITH ALL LOCAL AND STATE EROSION & SEDIMENT CONTROL PERMITTING REQUIREMENTS AND MAINTAIN ALL EROSION & SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. 2. INSTALLATION OF TEMPORARY AND PERMANENT EROSION AND SEDIMENT CONTROL MEASURES AS SHOWN ON THE PLAN AND DETAILS. 3. GRADING AND PLACEMENT OF FILL SHALL BE IN GENERAL ACCORDANCE WITH THE PLAN. 4. ESTABLISHMENT OF PERMANENT STABILIZATION OF ALL DISTURBED AREAS.. 5. CONSTRUCTION OF DRIVEWAY, SIDEWALKS, AND BUILDING PADS AS SHOWN ON THE SITE PLAN. EXISTING SITE CONDITIONS THE SITE IS AN UNDEVELOPED LOT WITH WOODED AND GRASSY AREAS. ADJACENT PROPERTIES THE SITE IS BOUNDED TO NORTH BY RT. 250, THE EAST BY COMMERCIAL BUILDINGS, AND THE WEST BY AN UNDEVELOPED LOT. OFF -SITE AREAS OFFISTE DISTURBANCE WILL TAKE PLACE ON THE ADJACENT PROPERTY TO THE WEST, INCLUDING GRADING FOR RETAINING WALLS AND A BIORETENTION BASIN, AND ALONG THE PROPERTY BOUNDARY TO THE EAST FOR RETAINING WALL GEOGRID. SOILS THIS SITE CONTAINS THE FOLLOWING SOIL TYPES BASED ON NRCS SOIL MAPS FOR ALBEMARLE COUNTY VIRGINIA: RABUN CLAY LOAM, USG TYPE B UDORTHENTS, LOAMY, USG TYPE D CRITICAL EROSION AREAS NO CRITICAL EROSION AREAS EXIST WITHIN THIS DEVELOPMENT. EROSION & SEDIMENT CONTROLS UNLESS OTHERWISE INDICATED, ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CONSTRUCTED AND MAINTAINED ACCORDING TO THE MINIMUM STANDARDS AND SPECIFICATIONS AS SET FORTH IN THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK, LATEST EDITION. THE MINIMUM STANDARDS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL REGULATIONS SHALL BE ADHERED TO UNLESS OTHERWISE WAIVED OR APPROVED BY VARIANCE. CONSTRUCTION ENTRANCE (PCE) - 3.02 INSTALL AND MAINTAIN A CONSTRUCTION ENTRANCE, AS NECESSARY, THAT MEETS THE REQUIREMENTS OF STD. AND SPEC. 3.02 AND CONFORMS WITH THE REQUIREMENTS OF THE EROSION & SEDIMENT CONTROL PLAN. SILT FENCE (SF) - 3.05 SILT FENCING WILL BE INSTALLED AS A FIRST STEP IN CONSTRUCTION ACTIVITIES. LOCATION AND DETAILS ARE SHOWN ON THE PLANS. INLET PROTECTION (IP) - 3.07 INLET PROTECTION MEASURES AROUND THE NEW INLETS SHALL BE PROVIDED IN ACCORDANCE WITH STD. AND SPEC 3.07. SILT FENCE OR TEMPORARY STONE APPLICATIONS SHALL BE APPLIED AS APPROPRIATE FOR CURRENT GRADE CONDITIONS. TEMPORARY DIVERSION DIKE (DD) - 3.09 A RIDGE OF COMPACTED SOIL CONSTRUCTED AT THE TOP OR BASE OF A SLOPING DISTURBED AREA WHICH DIVERTS OFF -SITE RUNOFF AWAY FROM, UNPROTECTED SLOPES AND TO A STABILIZED OUTLET, OR TO DIVERT SEDIMENT -LADEN RUNOFF TO A SEDIMENT TRAPPING STRUCTURE. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND SPEC. 3.09. TEMPORARY SEDIMENT TRAP) ST -3.13 ( A SMALL PONDING AREA, FORMED BY CONSTRUCTING AN EARTHEN EMBANKMENT WITH A STONE OUTLET ACROSS A DRAINAGE SWALE, TO DETAIN SEDIMENT LADEN RUNOFF FROM SMALL DISTURBED AREAS FOR ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS. STD. AND SEPC 3.13. TEMPORARY SEDIMENT BASIN (SB) - 3.14 A TEMPORARY BARRIER OR DAM WITH CONTROLLED STORMWATER RELEASE STRUCTURE WHICH IS FORMED BY CONSTRUCTING AN EMBANKMENT OF COMPACTED SOIL ACCROSS A DRAINAGEWAY. IT IS USED TO DETAIN SEDIMENT -LADEN RUNOFF FROM DRAINAGE AREAS 3 ACRES OR GREATER FOR ENOUGH TIME TO ALLOW MOST OF THE SUSPENDED SOLIDS TO SETTLE OUT. IT CAN BE CONSTRUCTED ONLY WHERE THERE IS SUFFICIENT SPACE AND APPROPRIATE TOPOGRAPHY. MAXIMUM EFFECTIVE LIFE IS 18 MONTHS UNLESS DESIGNED AS A PERMANENT POND BY A QUALIFIED PROFESSIONAL. STD. AND SPEC. 3.14. OUTLET PROTECTION (OP) -3.18 THE INSTALLATION OF RIPRAP CHANNEL SECTIONS AND/OR STILLING BASINS BELOW STORM DRAIN OUTLETS TO REDUCE EROSION AND UNDER -CUTTING FROM SCOURING AT OUTLETS AND TO REDUCE FLOW VELOCITIES BEFORE STORMWATER ENTERS RECEIVING CHANNELS BELOW THESE OUTLETS. PERMANENT STABILIZATION TEMPORARY SEEDING (TS) - 3.31 TEMPORARY SEEDING SHALL BE APPLIED TO ALL DENUDED AREAS WITHIN SEVEN (7) DAYS TO DENUDED AREAS THAT MAY OR MAY NOT BE AT FINAL GRADE BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN 14 DAYS. TEMPORARY SEEDING SHALL BE APPLIED IN CONFORMANCE WITH STD. AND SPEC. 3.31. PERMANENT SEEDING (PS) - 3.32 ALL DITCHES AND ADJACENT AREAS WITHIN 15 FT OF THE EDGE OF THE DITCHES SHALL BE SEEDED IN CONFORMANCE WITH STD. AND SPEC. 3.32. PERMANENT SEEDING SHALL BE APPLIED TO AREAS DELINEATED ON THESE PLANS WITHIN SEVEN (7) DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF THE SITE. PERMANENT SEEDING STABILIZES DISTURBED AREAS AND ENHANCES THE BEAUTY OF THE SITE. MULCHING (MU) - 3.35 APPLICATION OF PLANT RESIDUES OR OTHER SUITABLE MATERIALS TO THE SOIL SURFACE TO PREVENT EROSION AND FOSTER THE GROWTH OF VEGETATION. ORGANIC MULCHES (STRAW) HAVE BEEN FOUND TO BE THE MOST EFFECTIVE. DUST CONTROL (DC) - 3.39 CONDUCT DUST CONTROL OPERATIONS NECESSARY TO MET THE REQUIREMENTS OF STD. & SPEC. 3.39 AS REQUIRED TO CONTROL SURFACE AND AIRBORNE MOVEMENT OF DUST. RESPONSIBLE LAND DISTURBER: GENERAL NOTES 1. THE INFORMATION AND DATA SHOWN OR INDICATED WITH RESPECT TO THE EXISTING UNDERGROUND UTILITIES AT OR CONTIGUOUS TO THE SITE ARE BASED ON INFORMATION AND DATA FURNISHED TO THE OWNER AND ENGINEER BY THE OWNERS OF SUCH UNDERGROUND FACILITIES OR OTHERS. THE OWNER OR ENGINEER SHALL NOT BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF SUCH INFORMATION OR DATA. THE CONTRACTOR SHALL HAVE FULL RESPONSIBILITY FOR CONFIRMING THE ACCURACY OF THE DATA, FOR LOCATING ALL UNDERGROUND UTILITIES, FOR COORDINATION OF THE WORK WITH OWNERS OF SUCH UNDERGROUND UTILITIES DURING CONSTRUCTION, FOR THE SAFETY AND PROTECTION THEREOF AND REPAIRING ANY DAMAGE THERETO RESULTING FROM THE WORK. ALL OF THESE CONDITIONS SHALL BE MET AT NO ADDITIONAL COST TO THE OWNER. THE CONTRACTOR SHALL CONTACT "MISS UTILITIES" OF VIRGINIA AT 1-800-552-7001 PRIOR TO THE START OF WORK. 2. WHEN WORKING ADJACENT TO EXISTING STRUCTURES, POLES, ETC., THE CONTRACTOR SHALL USE WHATEVER METHODS THAT ARE NECESSARY TO PROTECT STRUCTURES FROM DAMAGE. REPLACEMENT OF DAMAGED STRUCTURES SHALL BE AT THE CONTRACTOR'S EXPENSE. 3. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING SITE STRUCTURES FROM DAMAGE AND COORDINATING WORK SO THAT THE OWNER CAN MAKE NECESSARY ARRANGEMENTS TO MODIFY/PROTECT EXISTING STRUCTURES FROM DAMAGES. 4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR NOTIFYING ALL UTILITY OWNERS, ADJACENT LAND OWNERS WHOSE PROPERTY MAY BE IMPACTED AND THE VIRGINIA DEPARTMENT OF TRANSPORTATION PRIOR TO COMPLETING ANY OFF -SITE WORK. 5. CONTRACTOR SHALL NOTIFY AND COORDINATE ALL WORK INVOLVING EXISTING UTILITIES WITH UTILITY OWNERS, AT LEAST 72 HOURS PRIOR TO THE START OF CONSTRUCTION. 6. CONTRACTOR SHALL IMMEDIATELY REPORT ANY DISCREPANCIES BETWEEN EXISTING CONDITIONS AND CONTRACT DOCUMENTS TO THE OWNER AND ENGINEER. 8. CONTRACTOR SHALL ADJUST ALL APPURTENANCES AS REQUIRED TO MATCH NEW GRADES. THE EXACT LOCATION OF APPURTENANCES SHALL BE COORDINATED WITH THE OWNER. 9. CONTRACTOR SHALL SUBMIT FOR THE APPROVAL OF THE OWNER SUBMITTALS OF ALL SPECIFIED MATERIALS LISTED IN THE PLANS, TO INCLUDE SHOP DRAWINGS, MANUFACTURER'S SPECIFICATIONS AND LABORATORY REPORTS. THE OWNER'S APPROVAL OF SUBMITTALS WILL BE GENERAL AND WILL NOT RELIEVE THE THE CONTRACTOR FROM THE RESPONSIBILITY OF ADHERENCE TO THE CONTRACT AND FOR ANY ERROR THAT MAY EXIST. EROSION & SEDIMENT CONTROL NOTES: 1. ALL VEGETATIVE AND STRUCTURAL EROSION & SEDIMENT CONTROL (E&S) PRACTICES WILL BE CONSTRUCTED AND MAINTAINED IN ACCORDANCE WITH THE MINIMUM SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATION 9VAC25-840-40. 2. THE PLAN APPROVING AUTHORITY MUST BE NOTIFIED ONE WEEK PRIOR TO THE PRE -CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO COMMENCEMENT OF LAND DISTURBING ACTIVITY AND ONE WEEK PRIOR TO FINAL INSPECTION. THIS REQUIREMENT CAN BE WAIVED AT THE DISCRETION OF THE PLAN APPROVING AUTHORITY. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4.A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ONSITE AT ALL TIMES. 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING BUT NOT LIMITED TO, OF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTRY EROSION AND SEDIMENT CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE PLAN REVIEWING AUTHORTY. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION AND SEDIMENT CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE PLAN REVIEWING AUTHORITY. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURES AT ALL TIMES DURING LAND DISTURBING ACTIVIES AND DURING SITE DEVELOPMENT UNTIL FINAL STABALIZATION IS ACHEIVED. 8. DURING DEWATERING OPERATIONS, WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALY AND AFTER EACH RUN-OFF PRODUCING STORM EVENT. ANY NECESSARY REPARIS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY. 10. INSTALL AND MAINTAIN CONSTRUCTION ENTRANCES FOR ENTIRE PROJECT AT ALL LOCATIONS WHERE VEHICLES ENTER/LEAVE THE WORK AREA AND WHERE SOIL IS STOCKPILED. 11. MAINTAIN ALL EROSION AND SEDIMENT CONTROL UNTIL THE COMPLETION OF FINAL STABILIZATION. UNLESS OTHERWISE NOTED ON THE PLANS REMOVE ALL EROSION & SEDIMENT CONTROLS FOLLOWING THE ESTABLISHMENT OF A PERMANENT VEGETATIVE COVER AND COMPLETION OF FINAL STABILIZATION. EROSION & SEDIMENT CONTROL PERMITTING 1. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL LOCAL AND STATE EROSION AND SEDIMENT CONTROL PERMITS AND MAINTAINING ALL EROSION AND SEDIMENT CONTROLS IN ACCORDANCE WITH THE PERMIT REQUIREMENTS. •:uiG u:►G a ►1 SWIM QUANTITY: SITE RUNOFF IS MANAGED BY AN UNDERGROUND DETENTION SYSTEM AND DETENTION POND WHICH WILL RELEASE RUNOFF AT RATES THAT COMPLY WITH 9VAC25-870-66.B.3 AND 9VAC25-870-66.D THROUGH MEETING THE ENERGY BALANCE EQUATION. THIS PROJECT WILL DISTURB AN AREA OF 2.87 ACRES WHERE ALL IMPERVIOUS SURFACE RUNOFF WILL BE ROUTED TO A NEW UNDERGROUND STORAGE SYSTEM AND STORMWATER DETENTION POND. THE SURROUNDING MANAGED TURF IS SHEETFLOW RUNOFF, WITH SOME AREAS DRAINING TO THE NEW DETENTION POND AS SHOWN IN DRAINAGE AREA MAPS. THE DETENTION POND ALSO ACCOUNTS FOR THE FUTURE DEVELOPMENT OF PARCEL 78-13A WITH AN ASSUMED IMPERVIOUS AREA OF 62% AND CURVE NUMBER OF 91. BMP COORDINATES: UNDERGROUND STORAGE: 38.031285,-78.448315 DETENTION POND: 38.031822,-78.448212 SWIM QUALITY: STORMWATER QUALITY COMPLIES WITH 9VAC25-870-65 THROUGH THE USE OF UNDERGROUND DETENTION WHICH PROVIDES 0.71 LBS/YR OF TREATMENT AND THE PURCHASE OF 2.26 LBS/YR OF NUTRIENT CREDITS TO ACHIEVE THE TOTAL TREATMENT REQUIREMENT OF 2.97 LBS/YR. MANAGEMENT STRATEGY AND SEQUENCE OF CONSTRUCTION THE FOLLOWING ARE THE PROPOSED MANAGEMENT STRATEGIES AND DETAILED SEQUENCE OF CONSTRUCTION. REQUIRED PERMITS MUST BE IN -HAND BEFORE WORK BEGINS: PHASE 1 1. INSTALL CONSTRUCTION ENTRANCE. TRUCKS SHALL BE CLEANED PRIOR TO LEAVING THE SITE. 2. INSTALL SILT FENCE AS SHOWN. 3. INSTALL PH 1 DIVERSION DIKES. 4. INSTALL PH 1 SEDIMENT TRAPS. 5. INSTALL MANHOLE AT EXISTING 24" RCP AND INSTALL ALL DOWNSTREAM STRUCTURES. 6. CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL OF ALL E&S CONTROL MEASURES. 6. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN WHOLESALE CLEARING, AND GRADING FOR BUILDING FOUNDATION AND PARKING AREA. 7. AS STORM STRUCTURES ARE INSTALLED, PROVIDE INLET AND OUTLET PROTECTION. PHASE 2 1. INSTALL SEDIMENT BASIN. 2. REMOVE PH 1 DIVERSION DIKES AS SHOWN. 3. REMOVE SEDIMENT TRAP 3 AND INSTALL UNDERGROUND DETENTION SYSTEM AND STORM STRUCTURES. SEDIMENT TRAPS 1 AND 2 MAY BE REMOVED AS BUILDING AND PAVEMENT CONSTRUCTION CONTINUE. 4. AS STORM STRUCTURES ARE INSTALLED, PROVIDE INLET AND OUTLET PROTECTION. 5. INSTALL RETAINING WALLS AND STABILIZE SLOPES PHASE 3 1. CLEAN OUT ALL SEDIMENT BUILD UP FROM STORM INLETS. 2. CONVERT SEDIMENT BASIN TO PERMANENT DETENTION POND. 3. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING AND PERMANENT SEEDING AS SHOW ON SHEET C10. 4. ESTABLISH AND MAINTAIN PERMANENT STABILIZATION, INCLUDING VEGETATION OF ALL SLOPES AND GRASSED AREAS. 5. ONCE SITE HAS REACHED STABILIZATION, CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL BEFORE REMOVAL OF PERIMETER CONTROLS. CONSTRUCTION MAINTENANCE THE FOLLOWING CONSTRUCTION MAINTENANCE PRACTICES SHALL BE FOLLOWED AT THE SITE. 1. ALL E&S CONTROL MEASURES WILL BE CHECKED DAILY AND AFTER EACH SIGNIFICANT RAIN EVENT. ALL DEFICIENCIES IDENTIFIED DURING THESE INSPECTIONS SHALL BE CORRECTED AS SOON AS PRACTICABLE. 2. THE SILT FENCE BARRIER SHALL BE REGULARLY CHECKED FOR UNDERMINING, DETERIORATION OR SIGNIFICANT EROSION. SEDIMENT SHALL BE REMOVED AFTER EACH STORM EVENT AND WHEN THE LEVEL OF SEDIMENT DEPOSITION REACHES HALF THE HEIGHT OF THE CONTROL. 3. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL MAINTENANCE REQUIREMENTS SET FORTH IN THE CURRENT EDITION OF THE VIRGINIA SEDIMENT AND EROSION CONTROL MANUAL, OTHER APPLICABLE COMMONWEALTH OF VIRGINIA REGULATIONS AND THE PROJECT SPECIFICATIONS. 4. ALL SEEDED AREAS WILL BE REGULARLY CHECKED TO ENSURE THAT A GOOD STAND OF GRASS IS MAINTAINED. 5. ALL AREAS SHALL BE MAINTAINED IN ACCORDANCE WITH THE REQUIREMENTS OF THIS E&S CONTROL PLAN. ENVIRONMENTAL CONTROLS 1. CONTRACTOR SHALL PROVIDE AND MAINTAIN ALL ENVIRONMENTAL CONTROL MEASURES SO AS TO COMPLY WITH LOCAL ORDINANCES, STATE AND FEDERAL LAWS AND REGULATIONS APPLICABLE TO WATER POLLUTION IN WATERS OF THE STATE AND IN INTERSTATE WATERS. 2. CONTRACTOR SHALL MINIMIZE THE POTENTIAL FOR AIR POLLUTION BY THE USE OF EMISSION CONTROL EQUIPMENT ON CONTRACTOR OPERATED EQUIPMENT, SHUT -DOWN OF MOTORIZED EQUIPMENT WHEN NOT IN USE, ACTIVELY CONTROLLING DUST EMISSIONS THROUGHOUT THE PROJECT. MINIMUM STANDARDS (MS)-. All applicable Virginia Erosion and Sediment Control Regulations and Minimum Standards shall be adhered to during all phases of construction. These include, but are not limited to the following: 1. STABLIZATION OF DENUDED AREAS: Permanent or temporary soil stabilization shall be applied to bare areas within seven days after final grade is reached on any portion of the site. Temporary soil stabilization shall be applied within seven days to denuded areas that may not be at final grade, but will remain dormant or undisturbed for longer than 7 days. Permanent stabilization shall be applied at areas that are to be left dormant for more than 1 year. 2. STABILIZATION OF SOIL STOCKPILES: During construction of the project, soil stockpiles shall be stabilized or protected with sediment trapping measures. The applicant is responsible for temporary protection and permanent stabilization of all soil stockpiles on site as well as soil intentionally transported from the project site. 3.PERMANENT VEGETATIVE COVER A permanent vegetative cover shall be established on denuded areas not otherwise permanently stabilized. Permanent vegetation shall not be considered established until a ground cover is achieve that, in the opinion of the city Inspector, is uniform and mature enough to survive to inhibit erosion. 4. TIMING & STABILIZATION OF SILT TRAPPING MEASURES: Sediment basins and traps, perimeter dikes, sediment barriers and other measures intended to trap sediment shall be constructed as a first step in any land disturbing activity and shall be made functional before upslope land disturbance takes place. 5. STABILIZATION OF EARTHEN STRUCTURES: Stabilization measures shall be applied to earthen structures such as dams, dikes and diversions immediately after installation. 6. SEDIMENT TRAPS AND BASINS: A sediment basin shall control surface runoff from disturbed areas that is comprised of flow from drainage areas greater than or equal to three acres. The sediment basin shall be designed and constructed to accommodate the anticipated sediment loading for the land disturbing activity. The outfall device or system device shall take into account the total drainage area flowing through the disturbed area to be served by the basin. 7. CUT AND FILL SLOPES: Cut and fill slopes shall be designed and constructed in a manner that will minimize erosion. Slopes that are found to be eroding excessively within one year of permanent stabilization shall be provided with additional slope stabilizing measures until the problem is corrected. & CONCENTRATED RUN-OFF DOWN CUT OR FILL SLOPES: Concentrated runoff shall not flow down cut or fill slopes unless contained within an adequate temporary or permanent channel, flume, or slope drain structure. 9.WATER SEEPS FROM A SLOPE FACE: Whenever water seeps from a slope face, adequate drainage or other protection shall be provided. 10.STORM SEWER INLET PROTECTION: All storm sewer inlets that are made operable during construction shall P 9 be protected so that sediment -laden water cannot enter the conveyance system without first being filtered or otherwise treated to remove sediment. 11. STABILIZATION OF OUTLETS: Before newly constructed stormwater conveyance channels are made operational, adequate outlet protection and any required temporary or permanent channel lining shall be installed in both the conveyance channel and receiving channel. 12. WORK IN LIVE WATERCOURSES: When work in a live watercourse is performed, precautions shall be taken to minimize encroachment, control sediment transport and stabilize the work area to the greatest extent possible during construction. Nonerodible material shall be used for the construction of causeways and cofferdams. Earthen fill may be used for these structures if armored by nonerodible cover materials. 13.CROSSING A LIVE WATERCOURSE: When a live watercourse must be crossed by construction vehicles more AND than twice in any six month period, a temporary stream crossing constructed of nonerodible materials shall be provided. 3. ANY WASTE DISCOVERED DURING THE PROJECT SHALL NOT BE MOVED WITH OUT PRIOR AUTHORIZATION OF THE OWNER AND BE DIRECT -LOADED INTO COVERED ROLL -OFF CONTAINERS FOR TEMPORARY STORAGE PRIOR TO DISPOSAL IN A PERMITTED LANDFILL. TABLE 3.32-D SITE SPECIFIC SEEDING MIXTURES FOR PIEDMONT AREA Total Lbs. Per Acre Minimum Care Lawn - Commercial or Residential 175-200 lbs. - Kentucky 31 or Turf -Type Tall Fescue 95-100% - Improved Perennial Ryegrass 0.5% - Kentucky Bluegrass 0-5% Hieh-Maintenance Lawn 200.250 tbs, - Kentucky 31 or Turf -Type Tall Fescue 100% General Slope (3:1 or lessl . Kentucky 31 Fescue 128 tbs. - Red Top Grass 2 lbs. - Seasonal Nurse Crop ' 20 tbs. 150 lbs. Lmv-Maintenance Slope (Steeper than 3:1) - Kentucky 31 Fescue 108 lbs. - Red Top Grass 2 tbs. - Seasonal Nurse Crop ' 20 tbs. - Crownvetch " 20 tbs, 150 tbs. ' Use seasonal nurse crop in accordance with seeding dates as stated below: February 16th through April ...................... Annual Rye May 1st through August 15th ..................... Foxtail Millet August lbth through October ...................... Annual Rye November through February 15th................... Winter Rye " Substitute Sericea lespedeza for Crownvetch east of Farmville, Va. (May through September use hulled Sericea, all other periods, use unhulled Sericea). If Flatpea is used in lieu of Crownvetch, increase rate to 30lbs./acre. All legume seed must be properly inoculated. Weeping Lovegrass may be added to any slope or low -maintenance mix during warmer seeding periods; add 10-20 lbs./acre in mutes. PERMANENT C7 Not To Scale SEEDING (PS SHIM P ENGINEERING2. LAND PLANNING - PROJECT MANAGEMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM 14. APPLICABLE REGULATIONS: AU All applicable federal, state and local regulations pertaining to working in or crossing live watercourses shall be met. 15.STABILIZATION OF BED AND BANKS The bed and banks of a watercourse shall be stabilized immediately after work in the watercourse is completed. 16.UNDERGROUND UTILITIES: Underground utilities shall be installed in accordance with the following standards in addition to other criteria: o.No more than 500 linear feet of trench may be opened at one time b.Excavated material shall be placed on the uphill side of trenches c.Effluent for dewatering operations shall be filtered or passed through approved sediment trapping device, or both, and discharged in a manner that does not adversely affect flowing streams or offsite property. d.Material used for backfilling trenches shall be properly compacted in order to minimize erosion and promote stabilization. e.Restabilization shall be accomplished in accordance with these regulations. f. Applicable safety regulations shall be complied with. 17.CONSTRUCTION ACCESS ROUTES: Where construction vehicle access routes intersect paved public roads, provisions shall be made to minimize the transport of sediment by vehicular tracking onto paved surfaces. Where sediment is transported on to a public road surface, the road shall be cleaned thoroughly at the end of each day. Sediment shall be removed by shoveling or sweeping and transported to a sediment control disposal area. Street washing shall be allowed only after sediment is removed in this manner. This provision shall apply to individual lots as well as to larger land disturbing activities. 18. TEMPORARY E&S CONTROL MEASURE REMOVAL: All temporary erosion and sediment control measures shall be removed within 30 days after final site stabilization or after temporary measures are no longer needed, unless otherwise authorized by the local program authority. Trapped sediment and the disturbed soil areas resulting from the disposition of temporary measures shall be permanently stabilized to prevent further erosion and sediment. 19.ADEQUACY OF RECEIVING CHANNELS: Properties and waterways downstream from the development site shall be protected from sediment deposition, erosion and damage, due to increases in volume, velocity and peak flow rates of stormwater runoff for the stated frequency storm of 24-hour duration. VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 REVISION: FILE NO. E & S NARRATIVE 19.039 C7 / \ \ \ \ \ LIMITS OF DISTbR@ANCE = 2.87 A STM14 / \\ \\\ \\ \ TMPP-496.2ASTDI / 2 \ \\ \\ \ 78-13A \ �- \ \ \ \\\\\\ 1149 \� TOP=A96.21' \ \ \ \ \ HAPPY B<�XES PANTOPS LLC DB 47-9,kPG 710 - - - " / \ \ \ \ 'C 1- IN V=469. 7' I %\ I I \\ \\ --- I\\ \\ \\--- /^/ I �/ \\ \ __------_i NAP / '///' i' i'/ic'// '/ �'// •�� `,// /�� \�1/ n 60.7/, ,/ / 36" STANgqPIPE q 460.7 / I RIM ELEV. 462.00 \\ 2.5" ORIFICE ELEV. 460,0 / PE / / ,j/i'/ /� / ii j ' /' / /' DD ,/ /'// / // y P� 3/ \ 4" ORIFICE ELEV. 4A 0// // 'j/ BO ST SEDIMENT TRAP I ' /' / / /' /� /'5 4j bpi' '� i i i' i'/ // ' / 9 .1 DRAINAGE AREA k 0.48/AC \\\\ Al x/49�yj' �'N/�`$O� ��/�� // /' ��/ /'// /'// l I �/� l l //',/' �i ✓ \ 32 LF 24"'HDPE 2/4" CMP Il/ 1 IIvV454.8't ' i j �/ /'/'i �, j '/'%' \ \ \\ T2.695\AC7// //�' /� / \� ,�58��'/� i'i'i'//'�/ii' \\ \ \\ 117,3831SF //, // I I i r/ / / IF1 / I / 494.2 1 / _ DIMENT TR P 2 1 �II \ D INAGE ARA = / // // BW/4967 / RETAINING,*ALL \ DF ISTURBANC�= 2. AC 46 / /} / TMP 78-73B1 //)LEGACY FOUNDATION DP\> / //V W 7 / 49411' 1 \ I I BW 49 4,97 \ \ I I IrMP 78-73AB / KETAINING WALL\\ 1 LEGACY FOUNDATION \ 2 ) SEDIMENT TRAP #2 DETAIL C8 Scale 1"=10' • OWN 0 1 ) SEDIMENT TRAP #1 DETAIL C8 Scale 1"=10' i 4 3 SEDIMENT TRAP C8 Scale 1"=10' �0 3 DETAIL S D SOIL EROSION & SEDIMENT CONTROL SYMBOLS SYMBOL N0. TITLE KEY 3.02 CONSTRUCTION ENTRANCE PC -X -X -X -X - 3.05 SILT FENCE SF 3.09 TEMPORARY DIVERSION DIKE DD [DRAWN TO SCALE] 3.13 TEMPORARY SEDIMENT TRAP ST [DRAWN TO SCALE] 3.14 TEMPORARY SEDIMENT BASIN SB otam 3.18 OUTLET PROTECTION OP 3.31 TEMPORARY SEEDING TS 3.32 PERMANENT SEEDING PS 3.35 MULCH MU �Y 3.39 DUST CONTROL DC LIMITS OF DISTURBANCE ------- - SEDIMENT TRAP DRAINAGE AREA SEQUENCE OF CONSTRUCTION PHASE 1 1. INSTALL CONSTRUCTION ENTRANCE. TRUCKS SHALL BE CLEANED PRIOR TO LEAVING THE SITE. 2. INSTALL SILT FENCE AS SHOWN. 3. INSTALL PH 1 DIVERSION DIKES. 4. INSTALL PH 1 SEDIMENT TRAPS. 5. INSTALL MANHOLE AT EXISTING 24" RCP AND INSTALL ALL DOWNSTREAM STRUCTURES. 6.CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL OF ALL E&S CONTROL MEASURES. 6. UPON APPROVAL OF E&S CONTROL MEASURES, BEGIN WHOLESALE CLEARING, AND GRADING FOR BUILDING FOUNDATION AND PARKING AREA. 7. AS STORM STRUCTURES ARE INSTALLED, PROVIDE INLET AND OUTLET PROTECTION. 311 SHIMP ENGINEERING- LAND PLANNING - PROJECT MANAGEMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TH q- u Ju s W a i . No. 83 � G SS/n�r�■ VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 REVISION: FILE NO. E & S PLAN PH1 19.039 0 .0 •0 ■i ■iii■� � / I CONNECT WATER T SOIL EROSION & SEDIMENT CONTROL SYMBOLS EXISTING V ATERLINE WATER METERII(2) B.0 Y'D /' SYMBOL N0, TTLE KEY r / I FIRE Hr RANT / WATER VALVE 3.02 CONSTRUCTION ENTRANCE r PC / I / / SIGHT POLE \, —X —X —X —X — 3.05 SILT FENCE SF �N- /, 3.3 , / 3.07 INLET PROTECTION IP `\,� / 3.09 TEMPORARY DIVERSION DIKE DD [DRAWN TO SCALE] O 3.13 TEMPORARY SEDIMENT TRAP ST ] [DRAWN TO SCALEO 3.14 TEMPORARY SEDIMENT BASIN SB 9.0 / /' ,—3.18 OUTLET PROTECTION OP I ` \ \ \ \\ \\ \\ \\\\ \\ \�\;\ 3.31 TEMPORARY SEEDING TS 'l% ' /' 3.32 PERMANENT SEEDING PS \ F 3.35 MULCH MU \\+ 3.39 DUST CONTROL DC \ \ \ \ LIMITS OF DISTURBANCE = 2.87 A 3 LIMITS OF DISTURBANCE '/ --- SEDIMENT TRAP DRAINAGE AREA TP 78M13A \\ 1�_---\\ �\\\\\`\ \ 14/ \\\ ,/ HAPPY 47ES PC 710S LLC - > -- '\\\\\\ \\�q�r p SEQUENCE OF CONSTRUCTION v / - \ \\\�\�l 1 I IF.,,, \b\ /' d�wl�tidrF� y/ / PHASE 2 I / r g9g pys� / \ `\ \\ \\, ----_ 43B 7—' / / I �� s� s� i' 1. INSTALL SEDIMENT BASIN. ---_ --- / / // I'I // \+\ lcR / 2. REMOVE PH 1 DIVERSION DIKES AS SHOWN. \ \ ' \ ` w / 3. REMOVE SEDIMENT TRAP 3 AND INSTALL UNDERGROUND DETENTION SYSTEM `� /� f I . '� \+ / / / � � AND STORM STRUCTURES. / /' / '/ l SEDIMENT TRAPS 1 AND 2 MAY BE REMOVED AS BUILDING AND PAVEMENT \--------- // // /i/ 'r CONSTRUCTION CONTINUE. ,46 4. AS STORM STRUCTURES ARE INSTALLED, PROVIDE INLET AND OUTLET PROTECTION. 5. INSTALL RETAINING WALLS AND STABILIZE SLOPES \ / b 5\ / // X� „ y SEDIMENT BASIN / � , / / , / � � / / �'4V I \ems DRAINAGE AREA / % 1.48 AC '' 460.7 '_ / ' ' i // / / / i , / x496.6 S7o v A + v l 0.7SEDIMENI\7\ �rL�\/ SHIMP ST SED //\\\b\ CC AG REA/ /3 I / // / I �.—\ \\ b\+ ENGINEER C 4NGIN44RING2. LAND PLANNING - PROJECT MANAGEMENT SECO & / \ FL00 P TIO /' / ENTRANCE / j / / / / \ 912 E. HIGH ST. 434.227.5140 F.FE 5 1.00 / / \ / IP / /' CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM I / \ TM 78173A7 AC /, / / I 117,363\\SF //, g / I I I / / / , IF ( TMP 78-73A4 SUNTRUST BANK DB 2733 PG 21 1 II \ —/ i j \ \ 1\72 ROOM HOTEL { I \ 4 / (/ DD ST cP \ \ \ \\ 4491.00 \\\ j// / / �\ Sr v v /I / // // / /i \ I 1 / ST \ 83 4 DISTURBAN& _2. AC46 \ I I TMP /78-13 1 DJCM INVESTMENTS LLCM DB/3908 PG 327 VSMP PLAN FOR 46 OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA 7/'/' ' /' /'' ' / i' '/' ✓ �J TMP 78-73B1 \\ \\ \ SUBMISSION: / (LEGACY FOUNDATIONI\ / / _ / / / \ \ 08.12.2022 vl V / REVISION: IF 460 // FILE NO. 9.039 461 E&SPLAN PH2 F�V / / / BW 4 -460 �� O / / / / / // / // / / / / 4�7 30 0 30 60 60 o 461 /'//' //� ' /'/' / '/ /' \\ _ \ / / /// \\ �V �� // // / /' /'/' / \\ Scale: 1"=30' CONNECT WATER T EXISTING WATERLINE WATER METER(2) 8.0 / / / I --- FIRE HYDRANT I / 1 WATER VALVE \ / 1 / I / / LIGHT POLE 3.3 / _ \ 9.0 \xV \ \ \ \\ LIMITS OF DISTURBANCE = 2.87 A IT\\i�� P=496.2A TMP \-- \P--\� i49 \ A STD'78-13A HAPPY BQXES PAN TOPS LLC DB 47§kPG 710\i - \ / _ _ INV 4E9. I \ _ -- x 46/ J e \ I / / TOP OF DJ ELEV. 464.0 �s / i'''/ ' ' / 0 - \ \\.•� \•\ / CONNEC SANITARY EXISHING SA ulI �/ g \ - ' / E / 0)a N I PARCEL / PUBLIC AN. M SOIL EROSION & SEDIMENT CONTROL SYMBOLS SYMBOL N0. TITLE KEY 3.02 CONSTRUCTION ENTRANCE PC 3.03 CONSTRUCTION ROAD STABILIZATION CRS -X -X -X -X - 3.05 SILT FENCE SF ® 3.07 INLET PROTECTION IP 3.09 TEMPORARY DIVERSION DIKE DD [DRAWN TO SCALE] 3.13 TEMPORARY SEDIMENT TRAP ST [DRAWN TO SCALE] 3.14 TEMPORARY SEDIMENT BASIN SB 3.18 OUTLET PROTECTION OP 3.31 TEMPORARY SEEDING TS 3.32 PERMANENT SEEDING PS 3.35 MULCH MU 3.39 DUST CONTROL DC LIMITS OF DISTURBANCE SEDIMENT TRAP DRAINAGE AREA SEQUENCE OF CONSTRUCTION PHASE 3 1. CLEAN OUT ALL SEDIMENT BUILD UP FROM STORM INLETS. 2. CONVERT SEDIMENT BASIN TO PERMANENT DETENTION POND. 3. AS AREAS ARE BROUGHT TO GRADE, APPLY MULCHING, TEMPORARY SEEDING AND PERMANENT SEEDING AS SHOW ON SHEET C10. 4. ESTABLISH AND MAINTAIN PERMANENT STABILIZATION, INCLUDING VEGETATION OF ALL SLOPES AND GRASSED AREAS. 5. ONCE SITE HAS REACHED STABILIZATION, CONTACT THE ENGINEER AND ALBEMARLE COUNTY FOR INSPECTION AND APPROVAL BEFORE REMOVAL OF PERIMETER CONTROLS. 460.7 36" STANgqPIPE RIM ELEV. 462.00 M 2.5" ORIFICE ELEV. 460,0 / 1 \ 4" ORIFICE ELEV. 46 0 / / / 7 _ lMIL � 4 4 N/ /''�/ c I 1 \ \\\ 58 LF EMER. SPILLWAY `V1a ry \ /' �' /' / rn a��-q,Q/:•�•. T$//\\ \\ \\ '\„ / \ ELEV. 462.50 9 ¢� SHIMP / / ©qp /' .^�\\\_--' �F..\`\ �1f • . E / ry / / "l1 41 ENGINEERING2. 9100 s `T ."_9'S w �/ '� -a0 FLOOCO/1/ 0 -pt�; _ g / ' / \ \�� LAND PLANNING -PROJECT MANAGEMENT ENTRANCE _ / ' q / / \ ' / / / / / / / \ 912 E. HIGH ST. 434.227.5140 / \ \ 32 LF 24"'HDPE i• , / / . F` / X'// 1 11 II \\ /� ,��T�' 13// / l / / ��, �,/ / / / �\ CHARLOTTESVILLE VA 22902 JUSTIN@$HIMP-ENGINEERING.COM 2/4" CMP AO /'' ( ;FRS I I 1 \ \\ I\ Vzt454.8't ' /. /� /' �D `[ TM �/ 2.695 \AC 117,383 SF /, / I 9 / IF I / TMP 78-73A4 / r/x�}Q / rn /' 1. I __\ SUNTRUST BANK 11 \\ //� `I j ' N-1 ....,. •\ \ 4 %Ry / y / , I \ DB 2733 PG 21 - 1 I w \ 1 RDOM HOTEL I y / /` \ I TH / f 4 .1 / s2w p a G v 4.4�91.00 v ti (k` /> 16' L A3 "��° A4 / \ / J / / 49g79 / , ,/ // �`) N .$ MP DO(� \ i . No. 83 4' / 2,. MH- % / _ - - Y 6 OM M /0F DISTURBANCC� =_2 AC 11 Ll ZZ k \ / / /' / \ /8 / / / �/ O ZP \ SIONAL \\ I I I TMP i'' \1 I DJCM INVESTMENTS LLCI ' / ' 2g '' '0 / / I DB /3908 PG 327 O 57 / / 2 )' PVC 1, D pRP\ 1 / / / ✓ _- \ \\ / / .. So- �•� ,..'- ' / / -EDI F,AtINING A f / / 4s $ , • / VSMP PLAN FOR OVERLOOK HOTEL 4640 SF R-TA K TMP 7$-73B1 \\ \ ' `\ ALBEMARLE COUNTY VIRGINIA UNDERGROU D G ID / / ./ \ \ , ,. / / /LEGACY FOUNDATION 1 STORA E S STE � \ SUBMISSION: ' vv v 08.12.2022 8 4 / w // ,�°� /' P�NPG•y1 PG/ I I \ \ -7 / / REVISION: IF 00 FILE N0. 61, E & S PLAN PH3 30 3 0 90 461 1 C1 0 Scale: 1"=30' 7:1 Coarse Spray ORGANIC MULCH MATERIALS AND APPLICATION RATES RATES: MULCHES: NOTES: Per Acre Per 1000 sq. ft. Straw or Hay lZ - 2 tons 70 - 90 lbs. Free from weeds and coarse (Minimum 2 matter. Must be anchored. tons for Spread with mulch blower or winter cover) by hand. Fiber Mulch Minimum 35 lbs. Do not use as mulch for 1500 lbs. winter cover or during hot, dry periods.* Apply as slurry. Corn Stalks 4 - 6 tons 185 - 275 lbs. Cut or shredded in 4-6" lengths. Air-dried. Do not use in fine turf aeras. Apply with mulch blower or by hand. Wood Chips 4 - 6 tons 185 - 275 lbs. Free of coarse matter. Air- dried. Treat with 12 lbs nitrogen per ton. Do not use in fine turf areas. Apply with mulch blower, chip handler, or by hand. Bark Chips 50 - 70 cu. 1-2 cu. yds. Free of coarse matter. Air - or yds. dried. Do not use in fine Shredded turf areas. Apply with Bark mulch blower, chip handler, or by hand. * When fiber mulch is the only available mulch during periods when straw should be used, apply at a minimum rate of 2000 lbs./ac. or 45 lbs./1000 sq. ft. Cmmnanted Snil 4.5' min. 1 MULCHING MU C 11 Not To Scale CONSTRUCTION OF A SILT FENCE (WITHOUT WIRE SUPPORT) 1. SET THE STAKES. 2. EXCAVATE A 4"X 4" TRENCH UPSLOPE ALONG THE LINE OF STAKES. / � f FLOW 3. STAPLE FILTER MATERIAL TO STAKES AND EXTEND IT INTO THE TRENCH. FLOW 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. SHEET FLOW INSTALLATION (PERSPECTIVE VIEW) POINTS A SHOULD BE HIGHER THAN POINT B. DRAINAGEWAY INSTALLATION (FRONT ELEVATION) �2 SILT FENCE (SF) CNot To Scale TABLE 3.31-B ACCEPTABLE TEMPORARY SEEDING PLANT MATERIALS "QUICK REFERENCE FOR ALL REGIONS" Rate Planting Dates 51&cies lbs. acre Sept. 1 - Feb. 15 50/50 Mix of Annual Ryegrass (Lolium multi-florum) & 50 - 100 Cereal (Winter) Rye (Secale cereale) Feb. 16 - Apr. 30 Annual Ryegrass 60 - 100 (Lolium multi-florum) May 1 - Aug 31 German Millet 50 (Setaria italics) SOURCE: VA. DSWC PLATE 3.09-1 6 TEMPORARY SEEDING TS C11 Not To Scale 5 DIVERSION DIKE DD C11 Not To Scale TABLE 3.39-A ADHESIVES USED FOR DUST CONTROL Water Application Dilution Type of Rate Adhesive (Adhesive: Water) Nozzle Gallons/Acre Anionic Asphalt Emulsion 7:1 Coarse Spray 1,200 Latex Emulsion 12.5:1 Fine Spray 235 Resin in Water 4:1 Fine Spray 300 Acrylic Emulsion (Non -Traffic) Acrylic Emulsion (Traffic) 3.5:1 Coarse Spray DUST CONTROL (DC) C11 Not To Scale 450 350 ORIGINAL GROUND ELEV. EL=C Top Surface Area Z 1.0' DRY STORAGE D2 •- 67 CU. YD./ACRE ^' WET STORAGE VEL-B 67 CU. YD./ACRE D1 (EXCAVATED) FILTER CLOTH ORIGINAL GROUND EL=A Bottom Surface Area ELEV. 'SEE PLATE 3.13-1 COARSE AGGREGATE44 CLASS I RIPRAP CROSS SECTION OF OUTLET CLASS I RIPRAP LENGTH (IN FEET) _ 6 X DRAINAGE AREA (IN C) / DIVERSION // DIKE COARSE AGGREGATE \ // EXCAVATED FILTER CLOTH AREA �� COARSE AGGREGATE SHALL BE VDOT #3, #357 OR #5 OUTLET (PERSPECTIVE VIEW) Sediment Trap Design Data No. A B C H (ft.) Z (ft.) Weir LCy ength DA (Acs.) Wet (Req) D1 (ft.) Vol. Cy Wet (Prov.) Bottom SA q. Dry (Req.) D2 (ft.) Dry Vol. (Prov.) Top SA (Sq. ft.) 1 489.0 492.0 494.0 3.0 2.0 3.0 0.48 32.2 3.0 32.8 190.0 32.2 2.0 44.1 792.0 2 478.0 481.0 483.0 3.0 2.0 4.5 0.71 47.6 3.0 49.0 312.0 47.6 2.0 59.1 1026.0 3 459.0 462.0 464.0 3.0 2.0 4.5 0.70 46.9 3.0 47.7 297.0 46.9 2.0 58.7 1025.0 3 TEMPORARY SEDIMENT TRAP (ST C8 Not To Scale CULVERT INLET PROTECTION DISTANCE IS 6' MINIMUM IF FLOW IS TOWARD EMBANKMENT FLOW USE STONE FOR ALL CULVERTS *OPTIONAL STONE COMBINATION FLOW 2.5' VDOT p3, #357, #5, #56 OR #57 COARSE AGGREGATE CLASS I RIPRAP TO REPLACE SILT FENCE IN " HORSESHOE " WHEN HIGH VELOCITY OF FLOW IS EXPECTED Paved construction entrance for erosion control plans STONE CONSTRUCTION ACCESS � STONE CONSTRUCTION ACCESS � 70' MIN. - r-3" SM-2A ASPHALT TOP COURSE 2% �6" MIN. 21A AGGREGATE BASE PROFILE ASPHALT PAVED WASHRACK 27 I 1 2x I2% 12' MIN . - I 'MUST EXTEND FULL WIDTH I �^ t-POSITIVE �l DRAINAGE TO SEDIMENT OF INGRESS AND EGRESS TRAPPING DEVICE OPERATION PLAN 12' MIN. PAVCMFNTI EXISTING PAVEMENT SITIVE DRAINAGE SEDIMENT pPPINC DEVICE FILTER CLOTHS _-- SECTION A -A A minilmwl water tap of 1 inch mast be installed wtith a m ininnlnu 1 Itch Wilcock shutoff eah,e suppbimR a wash hose with a diameter of 1.5 iches for adequate constant pressure. Wash water must be carried away from the entrance to an approved setthllR area to remove sedmuent. All sed¢neut shall be prevented fiom entering storm cliaLms, ditches, or watercourses. PAVED WASH RACK NO SCALE PIPE OUTLET CONDITIONS A A 'IPE OUTLET TO FLAT REA WITH NO DEFINED HANNEL -` SECTION A -A FILTER CLOTH KEY IN 6*-9"; RECOMMENDED FOR ENTIRE PERIMETER I 3do (MIN.) PIPE OUTLET TO WELL DEFINED CHANNEL PLAN VIEW IN W 1 r� L a ox-. d SECTION A -A FILTER CLOTH KEY IN 6"-9"; RECOMMENDED FOR ENTIRE PERIMCMR NOTES: 1. APRON LINING MAY BE RIPRAP, GROUTED RIPRAP, GABION BASKET, OR CONCRETE. 2. La IS THE LENGTH OF THE RIPRAP APRON AS CALCULATED USING PLATES 3.18-3 AND 3.16-4. 3. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. Source: Va. DSWC Plate 3.18-1 Outlet Protection Calculations - Reference Nomograph 3.18-3 PIP90uffafl# I La ft W ft Do in Do ft 3Do ft d50 ft d50 in De h In All 12 14 24 2 6 0.5 8 9 4 OUTLET PROTECTION OP C11 Not To Scale PAVED CONSTRUCTION ENTRANCE (PCE) C 11 Not To Scale SHIMP ENGINEERIN G12. LAND PLANNING - PROJECT MANAGIMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TH � o Ju . S NIP a i . No. 83 � G SS/nArAr VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 REVISION: FILE NO. E & S Control Details 19.039 a CULVERT INLET PROTECTION CIP) C11 Not To Scale C i i W) // II / % � % %Q d l' 1% l' �� 11 I� l d' !I DESIGN HIGH WATER R. STORM ELEV.) � I MIN. 1.0' RISER CREST DEWATERING DEVICE DESIGN ELEVATDONS WITH EMERGENCY SPILLWAY SEDIMENT CLEANOUT POINT DESIGN ELEVATIONS WITHOUT EMERGENCY SPILLWAY (RISER PASSES 25—YR. EVENT) SOURCE: VA. DSWC CREST OF EMERGENCY / SPILLWAY PLATE. 3.14-2 BASIN DESIGN TABLE Riser Emergency Top DA Wet Wet Dry Dry Vol. 25 BASIN A B C Rim Spillway Dam (Acs.) Vol. Vol. Cy Vol. Cy yr WSE Elev. Elev. Elev. (Req) (Prov.) (Req.) (Prov.) 1 460.0 460.5 461.00 462.00 462.50 464.00 1.48 99 106 99 125 462.8 Ill:" :I11%•) /•":>' _� „ /)�� TYPICAL CONCRETE BASE SOURCE: VA. DSWC TYPICAL STEEL BASE PLATE. 3.14-3 D M m I� q TACKWELD ALL AROU #6 X 12" SPACER E (TYPICAL) SOURCE: VA. DSWC II » Ii I1 I / G1 � �i 'eep Collar Design Plate 3.14-12 of upstream embankment (:1) ited length of barrel ler of collars required 4.5 10 1 4' :I�I��LI�Ia[I►1I° :I/Y��/1�11%[y�l-l]Dll��l[IJ�TI PLAN VIEW I- D RISER DIAMETER SECTION A —A PRESSURE RELIEF HOLES 1/2" DIA. J 2T BAR SIZE BAR MIN.) ISOMETRIC PLATE. 3.14-4 TOP STIFFENER (IF REQUIRED) ISX—X—ANGLE WELDED TO TOP AND ORIENTED PER— PENDICULAR TO CORRUGATIONS. TOP IS GAGE CORRUGATED METAL OR 1/8" STEEL PLATE. PRESSURE RELIEF HOLES MAY BE OMMITTED, IF ENDS OF CORRUGATIONS ARE LEFT FULLY OPEN WHEN THE TOP IS ATTACHED. CYLINDER IS GAGE CORRUGATED METAL PIPE OR FABRICATED FROM 1/81, STEEL PLATE. NOTES: 1. THE CYLINDER MUST BE FIRMLY FASTENED TO THE TOP OF THE RISER. 2. SUPPORT BARS ARE WELDED TO THE TOP OF THE RISER OR ATTACHED BY STRAPS BOLTED TO TOP OF RISER. TACK WELD PROVIDE ADEQUATE STRAPPING — I I TWO POLYETHYLENE CAP PERFORATED POLYETHYLENE* DRAINAGE TUBING, DIAMETER VARIES (SEE CALCULATIONS IN APPENDIX 3.14—A) FERNCO—STYLE " COUPLING DEPTH VARIES AS REQUIRED FOR" DRY STORAGE WET STORAGE DEWATERING ORIFICE, SCHEDULE 40 STEEL STUB 1—FOOT MINIMUM, DIAMETER VARIES (SEE CALCULATIONS IN CORRUGATED METAL RISER APPENDIX 3.14—A) NOTE: WITH CONCRETE RISER, USE PVC SCHEDULE 40 STUB FOR DEWATERING ORIFICE SOURCE: VA. DSWC INFLOW DRAINAGE TUBING SHALL COMPLY WITH ASTM F667 AND AASHTO M294 BA FFLE LOCAr17TIONS IN SEDIMENT BASINS NO SCALE SHEETS OF 4' X 8' X 1/2" EXTERIOR PLYWOOD OR EQUIVALENT ;ISER PLATE. 3.14-15 L = TOTAL DISTANCE FROM THE POINT OF INFLOW AROUND THE BAFFLE TO THE RISER. 4' POS OR LEA`. 8' RISER CREST ELEVATION -SMIN. SIZE 4" SQUARE , ROUND. SET AT T 3' INTO THE GROUND. SHIMP ENGINEERING2. LAND PLANNING - PROJECT MANAGEMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TH � O Ju . S W a i . No. 83 G SS/n�r�■ VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 REVISION: FILE NO. E & S Control Details 19.039 SOURCE: USDA—SCS PLATE. 3.14-6 C 12 AN AN AS All IS DID A ' ' Q ' ' I +'"0• / r� 1- O"�s1/'�'�S_�_ _ _ '-�wi _ __V ' _ - , 1 ' ' ' �"� -1N.'-J 1- '�'�0 - - '��_ %-_ PRE -CONSTRUCTION CHECKLIST STEP 1 - EXCAVATION STEP 3 - PREPARE BASE STEP 5 - INSTALL R-TANK® MODULES The excavation limits and location of R-Tank• System should be staked out using the TOOLS YOU'LL NEED A. If present, remove standing water in the excavation as it will prevent IL: drawings. If limits are not shown, add 2' on each side of the R-Tank• system. 1 _ A. Determine the startin location. It Is often hel ful to use an Inlet or❑ Laser or transit proper base preparation. g p A. Excavate the designated surveyed area according to plans following all relevant .�ydl❑ Measuring tape (long enough to mark R-Tank• footprint) B. Establish a level working platform. Athin layer (minimum 3q of outlet pipe to guide you. Usinga stringIlne, establish two adjacent _)local, state and OSHA guidelines. Typical excavations should include:,, _❑ Hard rakes 4 material is recommended. Check plans to see ifgeoteMile is specified edges of the R-Tank"' footprint. Ensure that your corner Is square.Two foot perimeter around R-Tank• to allow for proper compaction of backfill❑ Marking paint below the base material. Base materials must meet spec section 2.03A. Mark these two edges with marking paint and remove the string Ilne� ' ��❑ Razor knife Enough depth to accommodate a minimum 3" base (if required) below the - In regions with sandy soils meeting the requirements noted and (see Fig. 5). ❑ Screw driver / nut driver set (for pipe boots) R-Tank® where the subgrade elevation is above the groundwater table, B. Begin placing R-Tanks® in the corner of the marked area. B. Level the bottom of the excavation (see Fig.1) as shown on plans. Most Do NOT lace units on their sides, as this will void the warran❑ Metal snips to cut steel band clamps Fi . 1 Excavate accordin to imported base materials may not be needed. (For more informationp warranty. ❑ String line excavations have a flat bottom while some will slope toward the outlet pipe. plans, following all governmental see specification section 2.03A.) Check plans to ensure the correct orientation of the R-Tanks® (see ❑ Reciprocating saw (to cut in inspection & maintenance ports) C. Prepare subgrade according to plans. Base of excavation must be uniform, level regulations. C. Grade and level base as shown on plans with no more than 1/2" Fig. 8). ❑ Drill with 1" drill bit to create vent holes in ports and free of debris and soft or yielding subgrade areas. Compact to at least variance (+/-1/4"). Base must be smooth and free of debris and large - Check the plans to ensure the R-Tanks® are running in the correct 95% standard proctor density (or as required by Engineer) unless infiltration of Fig 2 Base must be smooth to ensure units fit Fig. 5 Use a string line and marking paint to Additional tools if R-TANK`" modules are not reassembled stormwater into sub rade is desired. A minimum bearing capacity of 2,000 sf rocks. together without gaps direction (North/South Fig. outh vs. East/West) to match the footprint shown square the system footprint p g g P tY P on plans (see Fig. 8). ❑ Dead blow mallets (per spec section 3.02D) must be achieved prior to beginning R-Tank module - R-Tank® units should fit together evenly. Occasional minor gaps ❑ Work tables (3/4" plywood placed on R-Tank" modules works well) installation. If the subgrade is pumping or appears excessively soft, the design TIP: Creating a smooth, level platform will allow for faster installation of R-Tanke modules, as they will fit between units (<%") or variations in the height of the units (< 36n)�SE RI engineer should be consulted. together evenly, eliminating detail work that can delay your progress. are acceptable (see Fig. 6), but reasonable efforts should be made �2 MATERIALS YOU'LL NEED to minimize these variations. If gaps or height variations persist ❑ R-Tank® modules TIP: Assembling the R-Tank® units (Step 2) during excavation may save time during the installation, but through 3 or more adjacent units, remove the modules and pull elm ., ❑ Geogrid (e requires additional material handling and space. If time allows consider assembling modules in the completed ❑ Geogrid (only for load bearing applications) excavation to reduce labor/ material handling costs. STEP 4 - PLACE GEOTEXTILE back the textile to repair base. � ❑ Liner (if required by plans) No lateral connections between adjacent R-Tank® units are required �� ❑ Base & backfill material (per spec section 2.03) STEP 2 - ASSEMBLE R-TANK® UNITS A. Check plans to see if geotextile is required to be placed between For LI HD and SD modules: the large side plate of the tanks should be Fig.6 Minor variations (less than width of top ❑ Pipe boot kits the base and the R-Tank• units. It Is required on most projects, but not plate) In tank height are acceptable (If not using kits, you'll need duct tape and a stainless steel band clamp for each inlet and outlet pipe, and for If R-Tank units arrive on your project in flat panels, they will need to be assembled. Complete directions are all. If it is not required, skip to Step 5. placed on the perimeter of the system. This will require that two ends of the tank area will have a row of tanks placed perpendicular to all other each inspection or maintenance port.) provided for each module type below, and a video is available on YouTube by searching for "R-Tank assembly" or B. Cut strips of geotextile to the proper length, and place them over the ❑ Maintenance port kits by using this link: https:ltn3N3ffwutube.com/watch7v=OMTzTVkTqSQ. f � wutube.com/watch?vMTzTVkTgSQ. The modules should take 2-3 minutes base, covering the floor of the excavation. The geotextile should tanks (see Fig. 7). (If not using kits, you will need non corrosive rigid anti -scour pad [15" x 15" to fit below maintenance ports.], per segment to build, with workers completing the assembly and material handlers assisting. This is a conservative extend at least 2' beyond the edge of the R-Tank® footprint. Adjacent Option 1: End column should cover 75% of the final module. fabric pipe boot, duct tape, stainless steel band clamp 12" schedule 40 PVC pipe and H2O rated ring and cover.) estimate used to approximate total man hours needed for assembly, panels of material should be overlapped by 12" or more, as shown on P * Option 2: End column may extend beyond the final row. ❑ Metallic tape the plans. Begin by connecting four (4) small plates to one large plate, using the C. Use pins, staples, sandbags or other ballast to hold the geotextile in EQUIPMENT YOU'LL NEED L� connection locations shown in red dots. Next, attach a second large place, preventing it from blowing or sliding out of position. LD/ HD/ SD ❑ Forklift and other equipment/tools necessaryto unload box truck �" plate opposite the first. Finally, add two large plates to the sides, and D. Patch an holes in the Gtextile b placing small h of Fig.3 Pull wrinkles out of geotextlles so ❑ Palletjack (to unload material from box truck) the single module is complete. To build a double module (or taller), y es maeoy p g a patch material lays flat r --{ ❑ Walk -behind trench roller (plate compactor may work for smaller projects) follow the directions above, using the top of the single module as you fabric over the damaged area. The patch must be large enough g Fig. 7 Plan view showing the end rows turned ❑ Low round pressure LGP tracked skid steer or dozer <7.0 si gross operating pressure) first large late to connect additional small plates. cover the damaged area with at least 12" of overlap on undamaged perpendicular. The corners may not match g p (LGP) ( p g p g p g P P material. up perfectly, so two acceptable alternatives O LGP dozer - 10 ton max gross vehicle weight and 7.0 psi max operating pressure are shown. Most plans do not show this ORoller - 6tonmax gross vehiclewei weight traffic R-rank®Lomodules are onyfor applications not subjected to E.Ifoliner and/or additional geotextile isrequired per plans, install these configuration. Field adjustments are easily g g traffic loads. now as shown on the project plans. made. Note: This list does not include equipment or tools needed to excavate or level the floor of the excavation._________________________________________________________________________________ _______________________ Begin by connecting five (5) small plates to one large plate, using the TIP: Some contractors choose to cut the geotextile strips long SIDE VIEW FRONT VIEW connection locations shown in green dots. Next, attach a second large enough to wrap up the sides and over the top of the R-Tank"' in a UD Fig.8 (To the left) Make sure the tanks are ACF offers an on -site assembly service. MAO plate opposite the first Finally, add two plates to the sides, and the single piece (see Fig. 3). If space allows and the folded flaps will not + oriented properly in the excavation single module is complete. To build a double module (ortaller), follow interfere with the installation, you may want to consider this option. Call to request a quote, = I I ' ' �� the directions above, using the top of the single module as your first If a liner is required on your project, this method should be used to large plate to connect additional small plates. protect the liner. Ell Reduced overlaps don't create significant savings and can create delays0 a rr TIP: Many contractors find that it is both easier and less expensive --------------------------------------------------------------------------------------------------------- to have specialty contractors install the liner (typically used when UD modules have three (3) different plates: a top/bottom plate, a side building a cistern). If you are installing a lineryourself, handle it ESIDE VIEW FRONT VIEW plate, and an internal plate. Sides have five columns, while the internal VERY CAREFULLY to avoid damage. plates only have 4. Begin by connecting four (4) internal plates to the r bottom plate. Next, add four side plates, and finish the single module **WARNING: GEOTEXTILES CAN BE DAMAGED IMPORTANT: Anyone walking directly on top of the units should be instructed to keep their weight over the by snapping on the top. To build a double module (or taller), follow SMOKING IS NOT• AND TOOLS USING A FLAME TO TACK vertical supports of the tank to prevent damaging the units. the directions above, using the top of the single module as your first GEOTEXTILE OVERLAPS,• • •TORCHES, bottom plate to connect additional plates. 3 4 S • 1 . III, HIS AIIIIIIII. RAN •^• _ .011;011Plmwoo SO IIIIN 10 R. �0 r 1 ��• _ Zip►_- _�� - AIIIS �• 0 '� _ � R Q Pao. � r 1 � .si P's 1■7�./ p �" • �'' ��►_ � ,__ ��- _ 4 ---� _ -_ _ - -_ .� _ _ - �-- �� "•r�i ` , : ► �_ ► :- ►_ = �•�'-� ! - - - _ a . - �_---- - - AIIIIIIA SHIMP STEP 6 - INSTALL INSPECTION / MAINTENANCE PORTS STEP 6E DETAILS - INSTALL INSPECTION / MAINTENANCE PORTS STEP 1 -SEAL R-TANKSWITH GEOTEXTILE STEP 8 -BACKFILL SIDES « .'_ ENGINEERING A. Check plans for size and a of pipe (usual) 10-12" schedule 40 PVC q LID Modules R' LAND PLANNING - PROJECT MANAGEMENT R 15 ,.- p type p p Y � � M� �'_ A. Place backfill material (see specification section 2.03 B) around 3niu.,,.,, x e„ and cut pipe to length, leaving enough excess to trim the to �.. Q• '� To accommodate the maintenance ort remove the two internal lates A. Clean off any debris that may be lying on top of the exposed geotextile "• pipe), P P gt • g g P � P P III perimeter of the R-Tanke, distributing the material evenly to " when final grade is reached. All ports should be made from pipe Ion and reconnect them at the connection points a few inches closer to the I df around the perimeter of the R-Tank® g P P P g ,G���e P I INi B. Cut strips of geotextile to fit over the to and down both sides of the prevent shoving of the R-Tank® units. All backfill material must meet enough to extend from the bottom of the R-Tank* to finished grade. m■r w��'� edges of the module. This will provide enough room fora 12" pipe. Using I'II ® g p requirements listed in the specs 912 E. HIGH ST. 434.227.5140 B. Drill several 1" diameter holes (air vents) into the pipe right below "s- 1 your reciprocating saw, cut a circular hole the same size as the pipe in II !11I R-Tank with at least 2 of excess material on each side of the system. � � I �, B. Use a trench roller or plate compactor to compact backfill in 12" lifts Fig.17 Vibrato CHARLOTTESVILLE VA, 22902 JUSTIN@$HIMP-ENGINEERING.COM where the future top of the R-Tank"' system and pipe meet when 7t.i`,•7�, the center of the horizontal R-Tank plates, between the relocated internal I ti�fV r This 2' flap should overlay the geotextile placed below the R-Tank® (see Fig. 17) ALWAYS REQUIRED, m compaction of what backfill Installed. Air vents can also be created with a chopsaw or grinder b �, 1 plates. All horizontally oriented plates will need to be cut EXCEPT FOR TH E 1 units, creating a clean 24" overlap to seal the system. Adjacent strips of material Is used. g Y �t\I I � C. Continue placing and compacting backfill in 12" lifts until the material cuttingseveral 3-5"vertical slots into the pipe at the same location. '� I BOTTOM PLATE. See Table 1 for the number of horizontal plates that will I geotextile should overlap at least 12" or as shown on plans. = reaches the top of the R-Tank"' units P P s���,�, 1 need to be cut. I C. Use ducttape, sand bags or other ballast to temporarily secure C. Using a reciprocating saw, cut several 8" triangular notches into the 1 '�� Fig. 13 Encapsulate R-Tarl with geotextile bottom of the pipe as shown on plans (see Fig. 9). �i + .�' , .� ,� ,:--------------------------------------------------------------------- I� I r overlaps g' P g IMPORTANT: Vibratory compaction of the side backfill (see Fig. 18) is a v • D. Identify the location of all ports and remove the R-Tank"' from each -�� e����_I Iul D. Where the geotextile Intersects an Inspection or Maintenance Port, critical step that both compacts the backfill and eliminates minor gaps Fig. 9 Cut 8" notches Into the bottom of HD / SD Modules I(41�6 < cut an'W into the geotextile and pull it over the pipe. The flaps of the between individual R-Tank® units. While some backfill materials will location. & g P P P P � TH maintenance port To accommodate the maintenance port, remove the center interior Fig.11 For HD and SD modules, make space "X" should point AWAY from the R-Tank"' (see Fig. 14). Use a fabric boot E. All modules will need to be disassembled in order to cut, remove, and/ P P g yield a 95%proctor density without compaction, vibratory compaction t l small smaplate (see Fig.11Using reciprocating ti ). sng your recprocang saw, cut a circular hole for the pipe by removing the center plate and a stainless steel band clamp to seal the flaps to the pipe. of the material must be completed to ensure the stability of the or relocate internal plates. This process will vary based on the module p ty the same size as the pipe in the center of the horizontal R-Tank plates, E. Fold geotextile for outside corners similar to sheets on a bed, and lay system. Skinain¢ this sceo will void the manufacturer's warranty. O your project is using, as noted on the next page. ty. Fig. to use an LGP dozer push backfin over between the internal plates. All horizontally oriented plates will need to excess material flat a ainst R-Tanke (see Fi 15 Leave corners loose R-rank• units. 2 F. Reassemble the R-Tanke when cutting is completed. g g > O be cut EXCEPT FOR THE BOTTOM PLATE. See Table 1 for the number of G. Insert the non -corrosive anti -scour pad in the bottom of the R-Tank® horizontal plates that will need to be cut foryour specific module. ! to avoid creating weak spots in the material. Temporarily secure excess U N S W a (should fit directly below the Maintenance Port), and replace the .. STEP 9 -BACKFILL TOP fabric with duct tape. i . No. 83 ---------------------------------------------------------------------- R-Tank"' into the proper location. F. Where the inlet and outlet pipes connect to the R-Tan , cut an "X" into A. Dump backfill material adjacent to the R-Tank"' and, using your LGP .e 4• H. If using Prefabricated Pipe Boot Kits, install the boot onto the pipe now, UD Modules the geotextile so that the pipe makes DIRECT contact with the R-Tank"'. Skid Steer or Dozer (see table below), push the material over the leaving the band clamps loose so that final adjustments may be made Pull the flaps of the "X" over the pipe so that the flaps of the "X" point Fig.14 Cut an I into textile to accommodate R-Tank"' system. t G� in Step 7. Install the pipe into the R-Tank"' unit (see Fig. 12) and make Use a 10" PVC Pipe m create the maintenance port. A two pipe will not fit AWAY from the R-Tank"'. Use a stainless steel band clamp to seal the pipe penetration and seal with a boot - Backfill must meet requirements listed in specification section 2.03 B SS/ONAL 1� correctly. To accommodate the 10" pipe, remove the two center internal - If your machine is not listed in the table, and you cannot find its sure it is plumb. plates. Cut one of the plates in half vertical) so that you are left with two flaps to the pipe. G. Temporarily seal the opening is top a the pipe with a cap or P P y' Y G. If using prefabricated pipe boot kits, install them onto the inlet and ground pressure, you'll need to find your vehicle's Operating Weight temporary lid to prevent debris from entering the system during Fig. 10 Installed maintenance port pieces, each with two full columns. Reinsert these pieces into the module S P P P and measure the area where the tracks contact the ground. Take construction. on the edges, perpendicular to the full-size internal plates (see Fig. 12). outlet pipes (see Fig.16). Adjust boots so that the fabric lays snug these dimensions and multiply them (Length x Width), then multiply • , Discard the other internal plate that was removed. against the R-Tank®. Tighten the band clamps with ascrew/nut driver. by 2 (since the machine has two tracks), then divide the Operating •^ ®:: Use duct tape to secure the boot flap to the outside of the geotextile Weight by the total square inches of contact area to determine the NO' [v[ REQUIRED AND RE DEPEND "°°`°'"`"'- SE P-RED CUT Usin your reciprocating saw, cut a circular hole the same size as the 10" Fig.12 For UD modules, two internal envelope. 3, - contact pressure of the machine. If the contact pressure is less than .1- UNNUMANTERANCE INCLUDE' A......�° g plates are removed, and two half -pieces are H. Walk bottom edge of geotextile along the sides of R-Tank to eliminate - DUARDERS" INSPECTION DURING THE FIREJ YEAR CEPERATIR ..=,E°.°".„.YEAR,, pipe in the center of the horizontal R-Tank plates, between the internal reinserted perpendicular to the other internal 7.0 psi and the operating weight is less than 20,000lbs, the machine VSMP PLAN FOR EILI " " °°°'°° ^T " - - - - - - - - columns. All horizontal plates will need to be cut EXCEPT FOR THE gaps between the fabric and the bottom corner of the R-Tank"'. pieces. will work with 12" of cover. , . , _ BOTTOM PLATE. See Table 1 below for the number of horizontal plates B. ALI Lightly compact top backfill to 95%standard proctor density (or I OVERLOOK HOTEL h I Ik b h' d t h II Alt REl t • • that will need to be cut for your specific module. Fig.15 Finished envelope should lay flat s own on p ans) using your wa - e In rent ro er. erna a y, a roller (maximum gross vehicle weight of 6 tons) may be used. Roller .. cevm su"ruar DDENE Single 1 Large Plate against R-Tank® must remain in static mode until a minimum of 24" of cover has been , . • • - AA -Double WHIN °"""` -p 2 Large Plates IMPORTANT: Take special care with inside corners on the footprint of placed over the modules (per spec, section 3.05 AS). Sheep foot rollers A minimum of 12" the system. Cut geotextile as needed to ensure that it lays flat against the should not be used. WARNING: "'""- "" p Triple 3 Large Plates R-Tank .Use additional pieces of geotextile to seal the corner and any cuts of material must ElTank" be maintained Quad 4 Large Plates � that are made (12" overlap). Largest TracDt Trac can be used with 12" of over Lcover . - - .. - .. ^"•w Pent 5 Large Plates ;'" ALBEMARLE COUNTY, VIRGINIA Table 1 pipes must make • ' - Case 50K LGP 20 700 lbs 28" x 92 6" = 2593 4 0 si .. - c 8 si SUBMISSION: N.S " (pe' 7F), allowing water to flow directly into ' ' • Caterpillar D5K LGP 21,347 Ibs 26" x 91"= 2366 si 4.52 si • • - • " " epn"q M,,;„""" _ •• • • •"• __ John Deere550JLGP 18,2521bs 24"x86"=2064si 4.2 si -" - �8•�2.2�22 - Komatsu D39PX-21 19,620 Ibis 25" x 93" = 2325 si 4.27 psi TIP: If the location of Maintenance Ports is not shown on your plans, contact the engineer. Ports should be _ pipes illFig. 16 Install boots onto pipes prior to New Holland D95 LGP 20,7001bs 29" x 93"= 2604 si 4.0 psi added within 10' of all inlet and outlet pipes (a single Maintenance Port can cover multiple pipe connections), P P g P P P_= � "- ' connecting them to the R-Tank, leaving the This list is not Intended to be all Inclusive, but representative. and include additional Maintenance Ports as needed to prevent the distance between ports from exceeding 50'. 'T=-- =_ clamps loose for adjustment later _ ; DAMAGED : p J , , REVISION: -- , , SMOKINGNOT • • TIP: When pushing backfill over R-Tank"' units, work in the direction the backfill material, - reducing IMPORTANT: Do not over-cutthe R-Tank®plates. Minimize the gaps between the pipe and the R-Tank®plates. This is particularly important with the top plate. �� ` • _ _=-r . TOOLS USING A FLAME TO TACK GEOTEXTILEOVERLAPS, •''NE TORCHES, ARE PROHIBITED.layers. of the geotextile overlap to avoid shoving material between the fabric ... - FILE NO. BMP Details 19.039 C13 p.��s• _ BACKFILL COMPACTED TO 95% �GEOGRID r �� �'TO STANDARD PROCTOR DENSITY PAVED SURFACE INLET STRUCTURE TYPE AND SIZE - 74:i BE DETERMINED BY ENGINEER 01 _ — - - _ �i >•,+�� - OPTIONAL INLET PIPE STEP 10 - PLACE GEOGRID STEP 13 - INSTALL PRE-TREATMENT DEVICES A Check plans to see if required. Geogrid is required for most load -bearing Install any pre-treatment devices prior to activating the R-Tank®System to ": applications (see Fig. 19), such as systems placed beneath parking lots prevent debris from entering the system (see Fig. 23). a oz NONWOVEN : - --_„•� � �.< - and roads. It is not required for some UD installations and above systems GEOTEXTILE used in open space where traffic is prohibited, such as sport fields or R-TANK UNITS SUMP DEPTH TO BE DETERMINED BY ENGINEER natural areas. Fig. 19 Overlap geogrid 18" or as required by B. Geogrid must be placed 12" above the R-Tank®, or as shown on plans. plans. 1 Overlap adjacent panels by 18" minimum or as specified. Roll out _ r=1 I 1=1ZI 77z Geogrid over the to of the system, with the edges of the rid extending g P 'm g g g Fig. 23 Trash Guard Plus prevents contamination of your system _ - 5'from R-Tank® footprint or 3' beyond the edge of excavation - or more OPTIONAL OUTLET PIPE as show on plans (refer to CAD detail HS20 loads). - - I C. If metallic tape has been specified (used to locate the system), install it TIP: For more information about pretreatment devices, or R-Tank installations, contact I L-JI I ILJ - - -II -III E-J1 I II - I I If now. ACF Environmental's Inside Sales team at 800-448-3636 24" MIN. 3- MIN BASE MATERIAL BASE MATERIALS — AS REQUIRED Fig. 20 Pushing backfill parallel to the Geogrid SECTION VIEW STEP 11 - PLACE ADDITIONAL COVER AS NEEDED prevents the grid from shoving. INLET CONNECTION If additional cover or pavement base is required bythe plans, begin placing and compacting material as discussed in Step 9. Push cover material parallel to the geogrid for best results (see Fig. 20). All cover material must meet requirements of specification section 2.03C. 012- MIN SOR-35 PVC PIPE R-TANKMAINTENANCE ROW TIP: To achieve proper compaction requirements, it may be beneficial to begin placing material in 6" lifts. W/ BEVELED EDGE OR AS {SEE PLAN LAYOUT FOR ROW LENGTH( WARNING: Maximum E E E depths •cover SPECIFIED BY PROJECT ENGINEER • r depths . • (BY OTHERS) 024" F&C ACCESS incorrect module is being used on your project, please contact ACF Environmental at 800-448-3636. (TYP, BY OTHERS) A B A STEP 12 -SECURE THE INSTALLATION$,`": { .a, j Construction loads are often the heaviest loads that ever drive over the _r OPTIONAL MAINTENANCE R-Tank" System, and there are many construction vehicles that exceed �` - (ACCESS the HS20 standard that most detention systems are designed to meet. To�� -- STRUCTURE prevent damage from these vehicles, the installation should be secured to " " DIVERSIOWACCESS (BY OTHERS) prevent unauthorized traffic from driving over the system once it has been: - STRUCTURE W/ 12 SUMP installed. (BY OTHERS) 012' MIN SOR-35 PVC PIPE A. should warning tape sewrethe instanationwRhtemporary Wf BEVELED EDGE OR AS or tempcts raryfgcomptosec rethethreemonths) fencing or temporary fencing to secure the installation (see Fig.21). fencing eeFig.21). - � 'Ut2' MIN PIPE OR AS SPECFIEDBYPROJECTENGINEER B. For larger projects with ongoing construction activities, consider a more durable method for unauthorized traffic from accessing the �; + i SPECIFIED BY PROJECT ENGINEER (BY OTHERS) preventing system (see Fig. 22). � j i' i (BY OTHERS) � MAIN D� MAIN ETENTIONIRETENTIpN SYSTEM Regardless of what method is selected to secure the installation, it must ` y (SEE PLANS FOR ACTUAL LAYOUT) remain in place until construction activity has concluded and no further all.•' access of vehicles exceeding the HS20 standard is necessary. `•" — PEAK FLOW JUNCTION STRUCTURE B rI MAINTENANCE PORT (OUANTITY b LOCATIONS PER PLAN LAYOUT) (BY OTHERS) SHIMP Fig. 22 Secured R-Tank ® Installation using 10 Jersey barriers 2'-0"MIN STONE PERIlAETER R-TANKHO MAINTENANCE ROW WITH PRECAST INLETIACCESS STRUCTURE ENGINEERING 2. LAND PLANNING - PROJECT MANAGEMENT TECHNICAL 912 E. HIGH ST. 434.227.5140 I' ENVIRONMENTAL CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM � 1 � INSPECTION t 1 1 OPERATION �� MAINTENANCE If sediment or debris Is observed In any of these structures, you should determine the depth of the 4�J material. This is typically accomplished with a stadia rod, but you should determine the best way to Step -By -Step Inspection & Maintenance Routine obtain the measurement. 1) Inspection ". VTH� R-TANK OPERATION, INSPECTION All observations and measurements should be recorded on an Inspection Log kept on file. Weve a. Inspection Port J? I. Remove Cap &MAINTENANCE included a form you can use at the end of this guideline. ii. Use flashlight to detect sediment deposits iii. If present, measure sediment depth with stadia rod G1� Maintenance The R-Tank System should be back -flushed once sediment accumulation has reached 6"or 15%of the iv. Record results on Maintenance Log V JU S W a ' Operation total system height. Use the chart below as a guideline to determine the point at which maintenance v. Replace Cap i . No. 83 Your ACT R-Tank System has been designed to function in conjunction with the engineered drainage system on your is required on your system. b. Maintenance Ports a 4 1P Off, site, the existing municipal infrastructure, and/or the existing soils and geography of the receiving watershed. Unless ® ITT , . , IIIIIIII i. Remove Cap your site included certain unique and rare features, the operation of your R-Tank System will be driven by naturally MiDi 9s" is°° ii.Use flashlight to detect sediment deposits 9S/ONAL occurring systems and will function autonomously. However, upholding a proper schedule of Inspection&Maintenance Single 17" 3" iii. If present, measure sediment depth with stadia rod is critical to ensuring continued functionality and optimum performance of the system. Double 34" s" iv. Record results on Maintenance Log . Inspection Triple so" 6" v. Replace Cap a, Both the R-Tank and all stormwater pre-treatment features incorporated into your site must be inspected regularly. Quad d 84 6� vi. Repeat for ALL Maintenance Ports tm a Inspection frequency for your system must be determined based on the contributing drainage area, but should never c. Adjacent Manholes CD o y fl . exceed one year between inspections (six months during the first year of operation). d y c p I. Remove Cover c� m E VSMP PLAN FOR Inspections may be required more frequently for pre-treatment systems. You should refer to the manufacturer for inspection ii. Use flashlight to detect sediment deposits ? Z o requirements the proper schedule. Before any maintenance is performed on your system, be sure to plug the outlet pipe to prevent iii. If present, measure sediment depth with stadia rod, accounting for depth c ° o 09 OVERLOOK HOTEL conta(Ilinationofthe adjacent systems. of sump (if present) r.+ a c t With the right equipment your inspection and measurementscan be accomplished from the surface without physically iv. Inspect pipes connecting to R-Tank c U U Q. _ " e, enteringan confined spaces. If our inspection does require confined space ent ou MUSTfollow all local/re ional Y P Y P q P IY.Y g requirements as well as OSHA standards. To back -flush the R-Tank, water is pumped into the system through the Maintenance Ports as rapidly v. Record results on Maintenance Log eR as possible. Water should be pumped into ALL Maintenance Ports. The turbulent action of the water vi. Replace Cover �C R-Tank Systems may incorporate Inspection Ports, Maintenance Ports, and/or adjoining manholes. Each of these features are easilyaccessed b removing the lid at the surface. With the cover removed, a visual inspection can be moving through the R-Tank will suspend sediments which may then be pumped out. vii. Repeat for ALL Manholes that connect to the R-Tank C E N Y g P g performed to identify sediment depositswithin the structure. Using a flashlight, ALL access points should be examined If your system includes an Outlet Structure, this will be the ideal location to pump contaminated 2) Maintenance e ALBEMARLE COUNTY, VIRGINIA to complete a thorough inspection. water out of the system. However, removal of back -flush water may be accomplished through the Maintenance Ports, as well. a. Plug system outlet to prevent discharge of back -flush water s SUBMISSION: Inspection Ports Usually Usually located centrally in the Rmank System, these perforated columns are designed to give the user abase -line For systems with large footprints that would require extensive volumes of water to properly flush b. Determine best location to pump out back -flush water c. Remove Ca from Maintenance Port P - " �$. 2.2�22 sediment depth across the system floor. the system, you should consider performing your maintenance within 24 hours of a rain event. d. Pump water as rapidly as possible (without over -topping port) into system until at least Maintenance Ports Stormwater entering the system will aid in the suspension of sediments and reduce the volume of a Usually located near the inlet and outlet connections, you'll likely find deeper deposits of heavier sediments when water required to properly flush the system. of water covers system bottom = REVISION: compared to the Inspection Ports. > Once removed, sediment -laden water may be captured for disposal or pumped through a Dirtbar e. Replace Cap Manholes (if permitted by the locality). f. Repeat at ALL Maintenance Ports 8 Most systems will Include at least two manholes -one at the Inlet and another at the outlet. There maybe more than g. Pump out back -flush water to complete bask -flushing one location where stormwater enters the system, which would result in additional manholes to inspect. v h. Vacuum all adjacent structures and any other structures or stormwater pre-treatment a Bear In mind that these manholes often Include a sump below the Invert of the pipe connecting to the R-Tank. systems that require attention c These sumps are designed to capture sediment before it reaches the R-Tank, and they should be kept clean to i. Sediment -laden water maybe captured for disposal or pumped through a Dirtbagn". ensure they function properly. However, existence of sediment in the sump does NOT necessarily mean sediment has accumulated in the R-Tank. j. Replace any remaining Caps or Covers zs3t Cardwell Road k. Record the back -flushing event in your Maintenance Log with any relevant specifics = After inspecting the bottom of the structure, use a mirror on a pole (or some other device) to check for sediment _ E FILE N0. or debris in the pipe connecting to the R-Tank. �C� Richmond, Virginia, 23234 E E 03 � 800.448.3636 " f0 c a c 19.039 FAX 804.743.7779 _ Z c For - 800.448.3636 ACTIFN LET'S GET IT DONE acfenvironmental.com c i u T E or email at info@acfenv.com ENVIRONMENTAL J LA o LL BMP Details C14 a� COUNTY OF ALBEMARLE Department of Community Development lfr �lgpgllP Construction Record Drawings (As -built) for VSMP The following is a list of information required on construction record drawings for stormwater facilities (reference Water Protection Ordinance 17-422). It is preferable that the construction record drawing be prepared by someone other than the designer. Please do not provide design drawings as construction record drawings. A. A signed and dated professional seal of the preparing engineer or surveyor. B. The name and address of the firm and individual preparing the drawings on the title sheet. C. The constructed location of all items associated with each facility, and the inspection records to verify proper dimensions, materials and installation. The items include, but are not limited to the following: 1. Inspection Records and photographs for pipe trenches and bedding, including underdmins. 2. Video Pipe Inspection for any pipes which are not accessible or viewable. 3. Updated Location with geo-coordinates of all facilities. 4. Verified Drainage Area maps for the drainage area treated, and for drainage to the facilities. 5. Current physical and topographic survey for all earthen structures. Ponds should include a survey of the pond bottom. Surveys should verify pond volumes are per design. Corrections may be required for alterations from the design. 6. Plants, location and type. 7. Plans and profiles for all culverts, Pipes, Risers, Weirs and Drainage Structures - Display the installed type of drainage structures, culvert/pipe size, weirs, materials, inlets or end treatment(s), inlet and outlet protection, alignment and invert elevations compared to design. 8. Computations: For significant deviations from design, provide sealed computations verifying that the as -built condition is equivalent or better than design. 9. Ditch Lines - Display the constructed location of all ditch lines and channels, including typical sections and linings. 10. Easements - Show all platted easements with dead book references labeled. Facilities and drainage must be within platted easements. Provide copies of recorded documents. 11. Guardrail, fences or other safety provisions - Display the constructed location of all safety provisions; fences, guardrail, including the type, length and applied end treatments, compared to design. 12. Material layers — biofilter media, stone layers, sand layers, keyways and cores must be verified as to material types and depths. Include inspection reports, boring or test pit reports and materials certifications. Biofilter media must be an approved state mix. 13. Access roads — show location of access roads, surface treatment, drainage, etc, as applicable. 14. Compaction reports are required to verify fill compaction in dams. 15. Manufacturers certifications for proprietary BMP's certifying proper installation and functioning. SHIMP ENGINEERIN G12. LAND PLANNING - PROJECT MANAGIMENT 912 E. HIGH ST. 434.227.5140 CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM TH 0 0 O v JU S MP a i . No. 83 � G SS/n�r�■ VSMP PLAN FOR OVERLOOK HOTEL ALBEMARLE COUNTY, VIRGINIA SUBMISSION: 08.12.2022 REVISION: FILE NO. Notes 19.039 C15