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As-Built - Fauquier County

As-Built - Fauquier County

As-Built Survey Requirements for SWM/BMP Facilities Page 2 of 4 SECTION I - Please fill out the following information prior to beginning the review Reviewed by: Project Name: Date: Phase/Parcel No: Application Number: Location: Design Firm: As-Built Firm: SECTION II - Please assess whether each item in this section had been accurately completed. Certification Statement included on plan "As-Built" title with project name and date on all sheets. Items deleted in the field crossed out and marked "not built." As-Built surveyor and design engineer contact information provided Plans/data without an As-Built Surveyor/Engineer's seal will not be accepted or reviewed. Revisions made in the field reflected and clearly called-out. SECTION III - Verify that each of the following have been included in the as-built plan. Use the space below to include notes: Spot elevations along the top of dam embankments and as needed on all stormwater management ponds. Elevations at all storm sewer pipe and structure inverts, inlet and outlet Labeled locations of all catch basins, inlets, headwalls, swales, drainage easement, junction boxes and manholes Recalculated storm sewer longitudinal pipe slopes, if revised. Top and bottom elevations of all basins, including weirs. Elevations at all corners and angle points. Top and bottom elevation and slope of drainage channels with sufficient number of spot elevations to determine design intent along the flowline. Items built exactly per plan shall have the elevations/stations notated within parenthesis and marked "AB." Show length, width, & type of access easement for maintenance of basin. Provide GPS coordinate at all stormwater outlet structures, channels and facilities. VA. State Plane, North Zone, 1983 Datum X,Y coordinates Freeboard above the 100 year water surface elevation Detail of the outlet control structure to include: Top of outlet control structure or wall Permanent Pool 100 year overflow weir/ spillway Channel protection volume F A U Q U I E R C O U N T Y D E P A R T M E N T O F C O M M U N I T Y D E V E L O P M E N T 29 A S H B Y S T R E E T , 3 RD F L O O R ○ W A R R E N T O N , VA ○ 2 0 1 8 6 P HONE: 540-422-8200 ○ FAX: 540-422-8201 ○ WWW.FAUQUIERCOUNTY.GOV

As-Built Survey Requirements for SWM/BMP Facilities Page 3 of 4 Water quality orifice (for wet pond) diameter and shape Water quality volume 25 year water surface 100 year water surface Outlet control pipe invert elevation at structure Outlet control pipe invert elevation at downstream headwall ALL inlet headwall elevation(s) in the pond Required Format for each Facility: The volumes for water quality and channel protection for the 2, 5, 10, 25, 50 and 100 year storm event detention and the wet pond storage, as applicable. Critical areas are stable so as to prevent erosion and noted as such on plan. Seeding tickets and specifications shall be included. Critical areas include areas of fill, embankments, detention pond floor and grassed conveyance channels. For practices and structures using vegetation as a component (enhanced extended detention, constructed wetlands, vegetated swales, grasses swales, bioretention structures, etc), the design and constructed landscaping plan, including design plant material list, installed plant species and location, and plant material tickets. For structures that are designed with earthen liners, verification of liner thickness and impermeability of material. F A U Q U I E R C O U N T Y D E P A R T M E N T O F C O M M U N I T Y D E V E L O P M E N T 29 A S H B Y S T R E E T , 3 RD F L O O R ○ W A R R E N T O N , VA ○ 2 0 1 8 6 P HONE: 540-422-8200 ○ FAX: 540-422-8201 ○ WWW.FAUQUIERCOUNTY.GOV

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