GENERAL NOTES DRAINAGE 1" MIN. ASPHALT SURFACE COURSE OVERLAY ENTIRE WIDTH OF EXISTING PAVEMENT FINISHED GRADE FINISHED GRADE WITH ASPHALT SURFACE COURSE. FINISHED SUBGRADE (ASPHALT) (ASPHALT) SUITABLE EARTH BACKFILL MATERIAL County Of Henrico 1. All construction and materials shall be in accordance with the current SHALL BE PLACED AND COMPACTED 1. All storm sewer within the County right-of-way and easements must IN ACCORDANCE WITH THE LATEST EDITION OF VDOT ROAD AND Virginia Department of Transportation Road and Bridge SAWCUT JOINTS Department of Public Works be ASTM C-76, Class III or better, reinforced concrete pipe with BRIDGE SPECIFICATIONS FULL DEPTH OF 11" ASPHALT BASE COURSE PAVEMENT Specifications, Virginia Department of Transportation Road and ASPHALT COURSES. AGGREGATE sealed joints in accordance with VDOT specifications. BASE Bridge Standards, and Henrico County Specifications and Standards TACK JOINTS IN SURFACE COURSE CREATE A 6" BENCH 2. Precast drop inlets are not permitted at locations where the grade of 9" MIN. COVER BACKFILL (EACH SIDE) BACKFILL where applicable. FOR PIPE WITH CREATE A 6" BENCH WITH NO.21B NO.21B STANDARD CONSTRUCTION NOTES AND DETAILS the adjacent curb and gutter is less than 1.5%. Precast drop inlets BACKFILL WITH NO 21B STONE STONE OR (EACH SIDE) STONE OR OR OTHER APPROVED CRUSHED OTHER 2. Incidental concrete must be Class A3 in accordance with VDOT OTHER STONE IN COMPACTED LIFTS. APPROVED with flat inverts are not permitted in sag locations when the total 12" OR TO APPROVED CRUSHED specifications. FINISHED CRUSHED PROPOSED STONE IN PROPOSED length of the required throat opening exceeds six (6) feet. PROPOSED STORM SEWER SUBGRADE WHERE STONE IN STORM SEWER COMPACTED STORM SEWER OR UTILITIES THERE IS AN COMPACTED LIFTS TO TOP 3. A permit must be secured from the Henrico County Department of OVERLAP IN LIFTS. REFER TO HENRICO COUNTY OF PIPE. 3. All storm sewer within a County easement or right-of-way must have ELEVATIONS FOR Public Works before any work is performed within an existing County THE SUBSEQUENT 4" OF NO. 5 STONE 4" + 1 PIPE LAYER OF 4" + 1 a minimum of four (4) inches of aggregate bedding material and 10 10 DESIGN MANUAL FOR ADDITIONAL DETAILS right-of-way or easement. BEDDING DIAMETER OF PAVEMENT PIPE must be backfilled in accordance with the detail on this sheet. 18" OUTSIDE DIA. 18" 18" OUTSIDE DIA. 18" 18" OUTSIDE DIA. 18" NO. 5 STONE STRUCTURE 18" OUTSIDE DIA. 18" DIAMETER OF PIPE OF PIPE BEDDING OF PIPE OF NO. 5 MIN. OF PIPE MIN. MIN. MIN. 4. The Department of Public Works must be notified at least 24 hours STONE 4. All drop inlets must have Type B noses. BEDDING prior to beginning any construction work. SKETCH SHOWING PAVEMENT PATCH SKETCH SHOWING PAVEMENT OVERLAY FOR SINGLE ISOLATED CUTS FOR LONGITUDINAL OR MULITPLE CUTS PIPE INSTALLATION IN AREAS PIPE INSTALLATION IN AREAS *6'-6" 5. The contractor shall notify the Henrico County Department of Public 5. Drop inlets on grade must be poured with the throat on the same NOT SUBJECT TO VEHICULAR TRAFFIC SUBJECT TO VEHICULAR TRAFFIC grade as the adjoining curb and gutter. MINIMUM Utilities prior to doing any utility work. NOTES:
1. THIS DETAIL IS TO BE USED IN ALL LOCATIONS
WHERE PROPOSED STORM SEWER OR UTILITY . 6. #4 x 8” dowels must be placed at approximately 12” c-c in all areas . 6. The location of existing utilities, as shown, is approximate. The NOTES: ST'D. GR-2 W/BEAM GUARD RAIL AND POST x n i CROSSES EXISTING PAVEMENT. 3. IN CURB AND GUTTER SECTIONS, MILLING IS REQUIRED a M PRIOR TO PLACEMENT OF THE OVERLAY. SEE APPENDIX C FOR BEDDING AND BACKFILL DETAILS FOR M
contractor shall verify the location of existing utilities prior to any adjacent to abutting concrete to prevent settlement " 2. OVERLAYS IN SHOULDER SECTIONS MUST BE WEDGED DOWN PIPES IN EXISTING ROADWAYS. " 7 TO EXISTING SHOULDERS AT A 1":1' GRADE WITH 8 2 construction work. 4. TEMPORARY OR PERMANENT ASPHALT MUST BE PLACED 2 1'-0" MATERIAL MATCHING EXISTING CONDITIONS. 7. When using non-concrete pipe for private areas, the connection to IN ROADWAY TRENCHES BY THE CLOSE OF EACH WORKDAY. MINIMUM 1/4":1' 7. A permit must be obtained from the Virginia Department of the structure in the County easement or right-of-way must be 2 REVISED 6/1/04 ROAD SURFACE :1 PAVEMENT REPLACEMENT FOR PIPE TRENCH PIPE BEDDING & BACKFILL &
Transportation for any work performed within the State right-of-way. SIDEWALK VA concrete. Non-concrete pipe must terminate in a concrete structure R JANUARY 1, 2002 (For New Development & New Road Construction) JANUARY 1, 2002 IA B L and continue concrete to the point where it ties into the County County of Henrico County of Henrico 6'-0" . E 8. The contractor shall notify “Miss Utility” at 1-800-552-7001 prior to n Department of Public Works PVTREPLA.DWG Department of Public Works PIPE-INSTALL.DWG i MINIMUM easement or right-of-way. All manholes and inlets must be concrete. M
any construction work in this area. "
*THIS DISTANCE MAY BE DECREASED TO A MINIMUM 0
8. UD-4 underdrains are required along the entire length of all proposed - 9. When it appears that the proposed work may have some impact to OF 4'-6" ON SUBDIVISION ROADS WITHOUT SIDEWALKS ' adjacent private or commercial properties, the applicant must inform roads and/or road widening within the public right-of-way unless ON ROAD CLASSIFICATIONS 1 THROUGH IV. 6 the property owners of the proposed work and keep them apprised waived by the Director of Public Works. ADDITIONAL RIGHT-OF-WAY OR PERMANENT EASEMENT MAY BE of time schedules, delays, impacts, changes in pedestrian and vehicle REQUIRED TO ACCOMMODATE TERMINAL TREATMENTS. 9. Irrigation is not permitted in the shoulder area within the County 2' VARIES VARIES access or traffic patterns, and final restoration plans. *150' MIN. *150' MIN. FOR END TREATMENT AND OTHER DETAILS NOT SHOWN HERE, right-of-way unless specifically approved by the County Engineer. REFER TO VDOT STANDARDS FOR GUARDRAIL. 10. When a temporary cul-de-sac is no longer required due to a road TYPE "B" NOSE 10"X10" SIGN VARIES 10. CD-1 underdrains are required on all vertical sags. 6" extension, the developer of the road being extended is responsible POST HOLE MC-1 THIS DETAIL IS TO BE USED WITH CURB & GUTTER, for removing the temporary cul-de-sac and extending the road and (MIN. DEPTH SIDEWALK AND/OR SIDEWALK SHELF. 11. UD-2 underdrains are required in all raised grass medians and C " = 30") L " 0 Fl 0 ' o
" w property components (curb and gutter, gravel driveways, paved Line Line - w Flo -
' 2'-6" islands within the public right-of-way. ROADWAY ' 0 2 0 3 ' 3 R 1 GUARDRAIL DETAIL WITH CURB & GUTTER driveways, sidewalks, mailboxes, etc.) to the new road section and re- - G R A S S M E D I A N ' JANUARY 1, 2002 4
12. The outlet end of all underdrains must terminate in drainage ' 10'-0" 10'-0" ' C grading areas to finished contours acceptable to the adjacent 1 County of Henrico 6 - 4 Transition Transition 1 Department of Public Works GR-2-CG.DWG property owners and to Henrico County. structures or daylight out of fill slopes with a standard EW-12 endwall 2 MC-1 placed at the outlet end of the underdrain. 5' 11. No driveway access points shall be allowed within the radius of a MS-1 MS-2 public road intersection. F/C Flow Line 1'-0" Face of utter 12. When driveways are located within roll face curb and gutter, GRADING G 6" Drop Inlet Flow Line transitions to a drop inlet, curb cuts and aprons are required. *TAPER AND LANE LENGTHS ARE TO NOTE: REFER TO VDOT STANDARDS FOR ADDITIONAL 2" 1/ 1":1' 5 1. The subgrade area shall be scarified to a depth of eight inches for a INFORMATION ON MEDIAN GRADING. " " BE APPROVED BY THE TRAFFIC ENGINEER. 1 7 1 13. Prior to the issuance of any building permits, all signs and barricades minimum of two feet beyond the proposed edges of the pavement on FACE SIDES ON MEDIAN STRIP SHALL CONFORM TO NOSE DETAIL Type B COUNTY STANDARD CURB SHAPE. for dead end stub roads must be in place. both sides (or from the curb and gutter) and compacted to a density 3'-0" of not less than 95 percent. CONCRETE SHALL BE CLASS A-3. *6'-0" 2. When materials which are unsuitable for foundation, subgrade, or MINIMUM CURB AND GUTTER REVISED 6/1/04 other roadway purposes occur within the roadway limits, such RAISED 14' MEDIAN w/LEFT TURN LANE DETAIL ROLL FACE CURB TRANSITIONS JANUARY 1, 2002 JANUARY 1, 2002 1. All curb and gutter and storm sewer/inlets located within the existing materials must be excavated below the grade shown on the plans as County of Henrico County of Henrico ST'D. GR-2 W/BEAM GUARDRAIL AND POST . Department of Public Works MED-LT-14.DWG Department of Public Works RFCG3.0-TRANS.DWG . x n
directed by the geotechnical engineer or as approved by the Henrico i a
County right-of-way shall be staked by the County upon written M M
"
County Construction Engineer and the areas must be backfilled with " 7 8
request being made to the County Engineer or by calling 501-4619. 2 1'-0" 2 suitable material. ROAD SURFACE MINIMUM 1':1' 2. All curb and gutter shall be Henrico County standard curb and gutter, R/W F/C 3. All solid rock or boulders found in the roadway shall be excavated to 1'-0" 2 4'-0" 2.0' 2.0' :1 & except as noted. VAR. MIN. V the full roadway width to a depth of one foot below subgrade and . A R n IA 6' OR R/W WHICHEVER IS GREATER 1'-6" 1'-6" i B SIDEWALK UTILITY L E E then backfilled to the proper grade with suitable materials. M T 3. This plan approval does not establish the curb and gutter elevations STRIP TO MATCH PEDESTRIAN SHELF A ST'D. HENRICO CO. " D CURB & GUTTER along the public right-of-way. The elevations will be set by Henrico 4. A six (6) feet wide pedestrian shelf is required behind all curb and 20"R 0 -
2" TOPSOIL '
1/4":1 6 gutter in the County right-of-way. The shelf must be EXIST. GRO & SEEDING ' DRIVEWAY T County. UND LINE ROADWAY SURFACE IE-IN TO CURB cleared/constructed at the time of road construction, including the 1/ " :1' 4 4" ":1' 4. All curb and gutter in the County right-of-way must be wet curb and 4" 1 " 2
relocation of all power poles and other above ground obstacles. " / ADDITIONAL RIGHT OF WAY OR PERMANENT EASEMENT MAY BE 4" MIN. STONE BED GRAVEL, ASPHALT OR " 1 1 7 gutter. The use of dry curb and gutter is prohibited in the County #21A - 21B CONCRETE GRADE 1 REQUIRED TO ACCOMMODATE TERMINAL TREATMENTS. 5. All graded islands must be graded to ¼”:1’ rise to minimize sight 9
Y right-of-way.
B distance problems. 1'
4" #57 STONE (MIN) " C&G 5. The transition from standard six (6) inch curb to roll-faced curb shall 5' DEPTH TO MATCH 2 6. All areas to be filled within the buildable area (ponds, sediment / NOTE: DEPTH OF SIDEWALK SHALL BE 7" AT ALL LOCATIONS SUBGRADE 1
be at intersections at the point of curvature (PC) of curb returns. 1'-0" 3'-0" 1 basins, sediment traps, wetlands, etc.) must be backfilled with SUSCEPTIBLE TO VEHICULAR TRAFFIC. GUARDRAIL DETAIL WITHOUT CURB & GUTTER structural fill and compacted to 95% compaction. JANUARY 1, 2002 CONCRETE SHALL BE CLASS A-3. 6. Where sidewalks are present or proposed, all driveways must be C County of Henrico ' - 1 2 Department of Public Works GR-2-WO-CG.DWG 7. All grading shown on lots must be done prior to building permit NOTES: THE BOTTOM OF THE CURB 3 concrete from the back of curb to at least the rear of the sidewalk. SEE VDOT ST'D CG-12B FOR SIDEWALK TREATMENT 1. CONCRETE SHALL BE CLASS A-3. AND GUTTER MAY BE issuance. ADJACENT TO COMMERCIAL ENTRANCES AND INTERSECTIONS. CONSTRUCTED PARALLEL TO ' 2. APRONS ARE NOT REQUIRED AT DRIVEWAYS WITH ROLL FACE 7. Class 57 stone must be placed under all curb and gutter and must 4 CURB AND GUTTER UNLESS A CURB CUT DETAIL IS USED. THE SLOPE OF SUBSURFACE 8. The design and construction of basins must in compliance with the A PEDESTRIAN PASSING AREA MUST BE PROVIDED AT 200' COURSES PROVIDED A extend one foot beyond the back of the curb. 3. TYPE 'B' NOSE IS REQUIRED ON ALL INLETS INSTALLED WITH INTERVALS. ENTRANCES AND STREET INTERSECTIONS CAN MINIMUM DEPTH OF 7" IS general requirements for dams in the Virginia Stormwater 9' ROLL FACE CURB AND GUTTER. FOR CURB AND GUTTER
D BE UTILIZED AS PASSING AREAS. MAINTAINED. E D 8. CG-12’s must be installed at curb returns where there is existing or Management Program Manual. A geotechnical engineer must certify TRANSITIONS SEE ROLL FACE CURB TRANSITIONS IN APPENDIX K E C K PEDESTRIAN PASSING AREA 'C' OF THIS MANUAL. E C that the construction compaction requirements have been achieved.
E H proposed sidewalks. In locations where there is no sidewalk being C H
C BMPs for subdivisions will not be accepted for County maintenance REVISED 6/1/04 Y proposed, the curb must be depressed for the future location of a ROLL FACE CURB AND GUTTER A T SIDEWALK DETAIL D N W
E until the geotechnical certification is provided and accepted by the JANUARY 1, 2002 JANUARY 1, 2002 D E
Y CG-12. E F M
E County of Henrico County of Henrico T O N V T Department of Public Works. SIDEWALK.DWG RFCG3.DWG
Department of Public Works Department of Public Works G R O . I L T U L S P A R
K WIDTH OF PAVED ROAD SURFACE O CONDITIONS FOR GUARDRAIL A SURVEY ENTRANCE O N
A 1'-6" B 6' OR TO R/W LINE
L WHICHEVER IS GREATER E Guardrail is typically required on sections of roadway when any of the 1. All roadways must be cleared in the area of proposed construction E FACE OF CURB C T
P FLOW
. C L 1'-0" N 18" A LINE T 1/4":1' O
o R following conditions exist within the clear zone: prior to requesting staking from the County. T U 5" 1" 18" 8" O :1' N UM 1" N IM
N 1":1' X E B MA ' 1 A 2":1 4' /2 WIDTH OF ENTRANCE IMUM 1/ F MIN 4" MIN. O L 7" GRASS A 6' MINIMUM C 1/2" R I #57 1. A roadside parallel embankment (fill slope) of 3:1 or steeper and a 2. All utility poles, fire hydrants, and other above ground obstacles C L 4" R T STONE E 8' MAX 18" MIN M located within the public right-of-way and in conflict with the M depth of four feet or more. Y EXPANSION JOINT S
(IF REQUIRED) E proposed sidewalk shelf, curb and gutter, and/or the pavement C 6" 1":1' N A SECTION A-A 2. A water hazard with a depth of two feet or more. R " 18" MIN T 1 widening shall be relocated at the developer’s expense prior to N E " FLOW LINE - : ' E 7 Henrico County staking the curb and gutter. FACE OF 1'-6" T 1 CURB O 3. A ditch section with a depth of three feet or more (as measured from N 1'-6" GUTTER 1/2" PREMOLDED EXPANSION the near edge of pavement. 3. All curb and gutter and storm sewer/inlets located within the JOINT FILLER MAIN ROADWAY 4" #57 STONE (MIN) HALF - PLAN A DEPTH TO MATCH
existing County right-of-way shall be staked by the County upon "
SUBGRADE 2 4. A fixed object (such as a culvert, pipe, headwall, retaining wall, 1'-6" NOTES: ALL LUMBER TO BE PRESSURE TREATED, 4"X4" FOR POST SET IN CONCRETE, 1"X8" FOR TOP OF / written request being made to the County Engineer or by calling 501- 6" 1'-6" 1 THE HORIZONTAL BOARDS. REFLECTORIZED SIGNS TO BE INSTALLED BY THE COUNTY.
CURB bridge pier, or abutment). 1 4619. 4" FLOW LINE 7" 1'-0" 2'-0" 5. Other hazards as determined by the Traffic Engineer. THE BOTTOM OF THE CURB AND 4. Prior to requesting County stakeout, all appropriate information GUTTER MAY BE CONSTRUCTED PARALLEL TO THE SLOPE OF necessary for stakeout must be provided to the Henrico County SECTION ELEVATION AT GUTTER LINE 6. Additional right-of-way or permanent easements may be required to ISOMETRIC VIEW SUBSURFACE COURSES PROVIDED END OF ROAD BARRICADE Survey Department. CONCRETE APRONS ARE REQUIRED IF: A MINIMUM DEPTH OF 7" IS accommodate the guardrail in its entirety. 1. THERE IS AN EXISTING SIDEWALK JANUARY 1, 2002 ADJACENT TO THE DRIVEWAY. MAINTAINED. County of Henrico NOTES: MODIFICATIONS TO THIS DETAIL MAY BE REQUIRED FOR SIDEWALKS AND 2. THERE IS A CURB INLET WITHIN Department of Public Works BARRICADE2.DWG 5. Right-of-way and baseline information must be established in the MOBILITY IMPAIRMENT REQUIREMENTS. 25' OF THE ENTRANCE. All guardrail must be approved by the Department of Public Works and 3. THE LOT ADJACENT TO THE CONCRETE SHALL BE CLASS A-3 field and clearly tied to monuments/benchmarks prior to requesting DRIVEWAY IS LOWER THAN THE shown on the plans, including any necessary details, type, and lengths of CONCRETE SHALL BE CLASS A-3. CURB. stakeout by the County. rail. STANDARD ENTRANCE APRON CURB AND GUTTER (FOR ROLL FACE CURB & GUTTER) JANUARY 1, 2002 JANUARY 1, 2002 County of Henrico County of Henrico PAVEMENT Department of Public Works ENTR-WOSW-RFCG.DWG Department of Public Works HSCG.DWG 1. The pavement section is subject to change based on soil conditions at the time of construction, as determined by the Construction
Engineer for Henrico County. ENTRANCE A 1'-6" 6'-0" OR TO R/W LINE WHICHEVER IS GREATER FACE OF CURB THIS ROAD IS TO BE 6" E C L C FACE OF 2. Any necessary pavement widening between the existing pavement N T 1/4":1' 5" 1" A U CURB R O ' M 1":1 T B IMU EXTENDED WITH FUTURE 1":1' MAX WHERE CONFLICTS EXIST, THE N A 2":1' 1/ and the proposed improvements is the responsibility of the E UM 1 MINIM /2 WIDTH OF ENTRANCE L 7" 4" MIN. F A 1/2" R GRASS O C I #57
developer. 6' MINIMUM R 4" C L T STONE DEVELOPMENT. FOR E
M
M Y NOTES AND DETAILS ON THIS EXPANSION JOINT S 3. All medians for turn lanes must be VDOT Std. MS-1. For turn lanes SECTION A-A (IF REQUIRED) E 6" 24" C MORE INFO CONTACT THE N A being constructed on existing roads, the old median must be R FLOW LINE T
N
" SURFACE FACE OF 2'-0" E
CURB : 6 COUNTY OF HENRICO removed entirely and the solid raised median poured on the asphalt E 1'-6" GUTTER T 1/2" PREMOLDED EXPANSION O -
SHEET SUPERCEDE THE CURRENT ' JOINT FILLER N base course in accordance with the standards for MS-1 Median. 1 MAIN ROADWAY BASE PLANNING OFFICE Standard MS-1A or variations of the same will not be permitted. A VERSION OF THE HENRICO COUNTY HALF - PLAN AT 501-4602 4. Pavement sections for through lanes and turn lanes must be the 2'-0" TOP OF 4" #57 STONE (MIN) CURB same as the existing pavement section. These turn lanes must have DEPTH TO MATCH SUBBASE 6 6" FLOW LINE 0 30" 7" SUBGRADE / underdrains. 7.5" 4 1'-0" 6" Notes: 1. All fonts are green FHWA HWYB DESIGN MANUAL. 1 6" 2. Green Border is 5/8" thickness / 5. No pavement open cuts are allowed on existing County maintained 1'-3" MIN. 3. Sign face must be reflectorized to a 4 1'-6" MAX. minimum of engineering grade white sheeting SECTION ELEVATION AT GUTTER LINE ISOMETRIC VIEW 6" sign must be made of a minimum roads unless specifically approved by the Construction Engineer for CONCRETE APRONS ARE REQUIRED IF: 0.08 thickness aluminum g 1. THERE IS AN EXISTING SIDEWALK w Henrico County. ADJACENT TO THE DRIVEWAY. d NOTES: MODIFICATIONS TO THIS DETAIL MAY BE REQUIRED FOR SIDEWALKS AND 2. THERE IS A CURB INLET WITHIN 6" . 25' OF THE ENTRANCE. 6 MOBILITY IMPAIRMENT REQUIREMENTS. 12" 3. THE LOT ADJACENT TO THE 0 6. If utility connections are located outside of the pavement and right- CONCRETE SHALL BE CLASS A-3 ACCEPTABLE ALTERNATIVE REVISED 6/1/04 s DRIVEWAY IS LOWER THAN THE ROAD EXTENSION SIGN l IF CURB IS EXTRUDED i CONCRETE SHALL BE CLASS A-3. CURB. a of-way, no pavement disturbance is required and all utility crossings JANUARY 1, 2002 t
e C County of Henrico
must be bored. - d 2 Department of Public Works ROAD_EXTEND_SIGN.DWG
REVISED 6/1/04 0 n STANDARD ENTRANCE APRON INDEPENDENT CURB i o t 7. Soil tests and CBR information, with an appropriate pavement design, (FOR RESIDENTIAL USE ONLY) JANUARY 1, 2002 JANUARY 1, 2002 c County of Henrico u County of Henrico r must be performed and made available to the Construction Engineer ENTR-WOSW.DWG Department of Public Works HSCG-2.DWG t Department of Public Works s n prior to subgrade approval o c
GENERAL NOTES DRAINAGE 1" MIN. ASPHALT SURFACE COURSE OVERLAY ENTIRE WIDTH OF EXISTING PAVEMENT FINISHED GRADE FINISHED GRADE WITH ASPHALT SURFACE COURSE. FINISHED SUBGRADE (ASPHALT) (ASPHALT) SUITABLE EARTH BACKFILL MATERIAL County Of Henrico 1. All construction and materials shall be in accordance with the current 1. All storm sewer within the County right-of-way and easements must SHALL BE PLACED AND COMPACTED IN ACCORDANCE WITH THE LATEST EDITION OF VDOT ROAD AND Virginia Department of Transportation Road and Bridge SAWCUT JOINTS Department of Public Works be ASTM C-76, Class III or better, reinforced concrete pipe with BRIDGE SPECIFICATIONS FULL DEPTH OF 11" ASPHALT BASE COURSE PAVEMENT Specifications, Virginia Department of Transportation Road and ASPHALT COURSES. AGGREGATE sealed joints in accordance with VDOT specifications. BASE Bridge Standards, and Henrico County Specifications and Standards TACK JOINTS IN SURFACE COURSE CREATE A 6" BENCH 2. Precast drop inlets are not permitted at locations where the grade of 9" MIN. COVER BACKFILL (EACH SIDE) BACKFILL where applicable. FOR PIPE WITH CREATE A 6" BENCH WITH NO.21B NO.21B STANDARD CONSTRUCTION NOTES AND DETAILS the adjacent curb and gutter is less than 1.5%. Precast drop inlets BACKFILL WITH NO 21B STONE STONE OR (EACH SIDE) STONE OR OR OTHER APPROVED CRUSHED OTHER 2. Incidental concrete must be Class A3 in accordance with VDOT OTHER with flat inverts are not permitted in sag locations when the total STONE IN COMPACTED LIFTS. APPROVED 12" OR TO APPROVED CRUSHED specifications. FINISHED CRUSHED PROPOSED STONE IN PROPOSED length of the required throat opening exceeds six (6) feet. PROPOSED STORM SEWER SUBGRADE WHERE STONE IN STORM SEWER COMPACTED STORM SEWER OR UTILITIES THERE IS AN COMPACTED LIFTS TO TOP 3. A permit must be secured from the Henrico County Department of OVERLAP IN LIFTS. REFER TO HENRICO COUNTY OF PIPE. 3. All storm sewer within a County easement or right-of-way must have ELEVATIONS FOR Public Works before any work is performed within an existing County THE SUBSEQUENT 4" OF NO. 5 STONE 4" + 1 PIPE LAYER OF 4" + 1 a minimum of four (4) inches of aggregate bedding material and 10 10 DESIGN MANUAL FOR ADDITIONAL DETAILS right-of-way or easement. BEDDING DIAMETER OF PAVEMENT PIPE must be backfilled in accordance with the detail on this sheet. 18" OUTSIDE DIA. 18" 18" OUTSIDE DIA. 18" 18" OUTSIDE DIA. 18" NO. 5 STONE STRUCTURE 18" OUTSIDE DIA. 18" DIAMETER OF PIPE OF PIPE BEDDING OF PIPE OF NO. 5 MIN. OF PIPE MIN. MIN. MIN. 4. The Department of Public Works must be notified at least 24 hours STONE 4. All drop inlets must have Type B noses. BEDDING prior to beginning any construction work. SKETCH SHOWING PAVEMENT PATCH SKETCH SHOWING PAVEMENT OVERLAY FOR SINGLE ISOLATED CUTS FOR LONGITUDINAL OR MULITPLE CUTS PIPE INSTALLATION IN AREAS PIPE INSTALLATION IN AREAS *6'-6" 5. The contractor shall notify the Henrico County Department of Public 5. Drop inlets on grade must be poured with the throat on the same NOT SUBJECT TO VEHICULAR TRAFFIC SUBJECT TO VEHICULAR TRAFFIC grade as the adjoining curb and gutter. MINIMUM Utilities prior to doing any utility work. NOTES:
1. THIS DETAIL IS TO BE USED IN ALL LOCATIONS
WHERE PROPOSED STORM SEWER OR UTILITY . 6. #4 x 8” dowels must be placed at approximately 12” c-c in all areas . 6. The location of existing utilities, as shown, is approximate. The NOTES: ST'D. GR-2 W/BEAM GUARD RAIL AND POST x n i CROSSES EXISTING PAVEMENT. 3. IN CURB AND GUTTER SECTIONS, MILLING IS REQUIRED a M PRIOR TO PLACEMENT OF THE OVERLAY. SEE APPENDIX C FOR BEDDING AND BACKFILL DETAILS FOR M
contractor shall verify the location of existing utilities prior to any adjacent to abutting concrete to prevent settlement " 2. OVERLAYS IN SHOULDER SECTIONS MUST BE WEDGED DOWN PIPES IN EXISTING ROADWAYS. " 7 TO EXISTING SHOULDERS AT A 1":1' GRADE WITH 8 2 construction work. 4. TEMPORARY OR PERMANENT ASPHALT MUST BE PLACED 2 1'-0" MATERIAL MATCHING EXISTING CONDITIONS. 7. When using non-concrete pipe for private areas, the connection to IN ROADWAY TRENCHES BY THE CLOSE OF EACH WORKDAY. MINIMUM 1/4":1' 7. A permit must be obtained from the Virginia Department of the structure in the County easement or right-of-way must be 2 REVISED 6/1/04 ROAD SURFACE :1 PAVEMENT REPLACEMENT FOR PIPE TRENCH PIPE BEDDING & BACKFILL &
Transportation for any work performed within the State right-of-way. SIDEWALK VA concrete. Non-concrete pipe must terminate in a concrete structure R JANUARY 1, 2002 (For New Development & New Road Construction) JANUARY 1, 2002 IA B L and continue concrete to the point where it ties into the County County of Henrico County of Henrico 6'-0" . E 8. The contractor shall notify “Miss Utility” at 1-800-552-7001 prior to n Department of Public Works PVTREPLA.DWG Department of Public Works PIPE-INSTALL.DWG i MINIMUM easement or right-of-way. All manholes and inlets must be concrete. M
any construction work in this area. "
*THIS DISTANCE MAY BE DECREASED TO A MINIMUM 0 -
9. When it appears that the proposed work may have some impact to 8. UD-4 underdrains are required along the entire length of all proposed OF 4'-6" ON SUBDIVISION ROADS WITHOUT SIDEWALKS ' adjacent private or commercial properties, the applicant must inform roads and/or road widening within the public right-of-way unless ON ROAD CLASSIFICATIONS 1 THROUGH IV. 6 the property owners of the proposed work and keep them apprised waived by the Director of Public Works. ADDITIONAL RIGHT-OF-WAY OR PERMANENT EASEMENT MAY BE of time schedules, delays, impacts, changes in pedestrian and vehicle REQUIRED TO ACCOMMODATE TERMINAL TREATMENTS. 9. Irrigation is not permitted in the shoulder area within the County 2' VARIES VARIES access or traffic patterns, and final restoration plans. *150' MIN. *150' MIN. FOR END TREATMENT AND OTHER DETAILS NOT SHOWN HERE, right-of-way unless specifically approved by the County Engineer. REFER TO VDOT STANDARDS FOR GUARDRAIL. 10. When a temporary cul-de-sac is no longer required due to a road TYPE "B" NOSE 10"X10" SIGN VARIES 10. CD-1 underdrains are required on all vertical sags. 6" extension, the developer of the road being extended is responsible POST HOLE MC-1 THIS DETAIL IS TO BE USED WITH CURB & GUTTER, for removing the temporary cul-de-sac and extending the road and (MIN. DEPTH SIDEWALK AND/OR SIDEWALK SHELF. 11. UD-2 underdrains are required in all raised grass medians and C " = 30") L " 0 Fl 0 ' o
" w property components (curb and gutter, gravel driveways, paved Line Line - w Flo -
' 2'-6" islands within the public right-of-way. ROADWAY ' 0 2 0 3 ' 3 R 1 GUARDRAIL DETAIL WITH CURB & GUTTER -
driveways, sidewalks, mailboxes, etc.) to the new road section and re- ' G R A S S M E D I A N JANUARY 1, 2002 4
12. The outlet end of all underdrains must terminate in drainage ' 10'-0" 10'-0" ' C grading areas to finished contours acceptable to the adjacent 1 County of Henrico 6 - 4 Transition Transition 1 Department of Public Works GR-2-CG.DWG property owners and to Henrico County. structures or daylight out of fill slopes with a standard EW-12 endwall 2 MC-1 placed at the outlet end of the underdrain. 5' 11. No driveway access points shall be allowed within the radius of a MS-1 MS-2 public road intersection. F/C Flow Line 1'-0" Face of utter 12. When driveways are located within roll face curb and gutter, GRADING G 6" Drop Inlet Flow Line NOTE: REFER TO VDOT STANDARDS FOR ADDITIONAL " transitions to a drop inlet, curb cuts and aprons are required. *TAPER AND LANE LENGTHS ARE TO /2 1 1":1' 5 1. The subgrade area shall be scarified to a depth of eight inches for a INFORMATION ON MEDIAN GRADING. " " BE APPROVED BY THE TRAFFIC ENGINEER. 1 7 1 13. Prior to the issuance of any building permits, all signs and barricades minimum of two feet beyond the proposed edges of the pavement on FACE SIDES ON MEDIAN STRIP SHALL CONFORM TO NOSE DETAIL Type B COUNTY STANDARD CURB SHAPE. for dead end stub roads must be in place. both sides (or from the curb and gutter) and compacted to a density 3'-0" of not less than 95 percent. CONCRETE SHALL BE CLASS A-3. *6'-0" 2. When materials which are unsuitable for foundation, subgrade, or MINIMUM REVISED 6/1/04 CURB AND GUTTER other roadway purposes occur within the roadway limits, such RAISED 14' MEDIAN w/LEFT TURN LANE DETAIL ROLL FACE CURB TRANSITIONS JANUARY 1, 2002 JANUARY 1, 2002 1. All curb and gutter and storm sewer/inlets located within the existing materials must be excavated below the grade shown on the plans as County of Henrico County of Henrico ST'D. GR-2 W/BEAM GUARDRAIL AND POST . Department of Public Works MED-LT-14.DWG Department of Public Works RFCG3.0-TRANS.DWG . x n
directed by the geotechnical engineer or as approved by the Henrico i a
County right-of-way shall be staked by the County upon written M M
" County Construction Engineer and the areas must be backfilled with " 7 request being made to the County Engineer or by calling 501-4619. 8 2 1'-0" 2 suitable material. ROAD SURFACE MINIMUM 1':1' 2. All curb and gutter shall be Henrico County standard curb and gutter, R/W F/C 3. All solid rock or boulders found in the roadway shall be excavated to 1'-0" 2 4'-0" 2.0' 2.0' :1 & except as noted. VAR. MIN. V . A the full roadway width to a depth of one foot below subgrade and R n IA 6' OR R/W WHICHEVER IS GREATER 1'-6" 1'-6" i B SIDEWALK UTILITY L E E M
T then backfilled to the proper grade with suitable materials. 3. This plan approval does not establish the curb and gutter elevations STRIP TO MATCH PEDESTRIAN SHELF A ST'D. HENRICO CO. " D CURB & GUTTER along the public right-of-way. The elevations will be set by Henrico 4. A six (6) feet wide pedestrian shelf is required behind all curb and 20"R 0 -
2" TOPSOIL '
1/4":1 6 gutter in the County right-of-way. The shelf must be EXIST. GRO & SEEDING ' DRIVEWAY T County. UND LINE ROADWAY SURFACE IE-IN TO CURB cleared/constructed at the time of road construction, including the 1/ " :1' 4 4" ":1' 4. All curb and gutter in the County right-of-way must be wet curb and 4" 1 " 2
relocation of all power poles and other above ground obstacles. " / ADDITIONAL RIGHT OF WAY OR PERMANENT EASEMENT MAY BE 4" MIN. STONE BED GRAVEL, ASPHALT OR " 1 1 7 gutter. The use of dry curb and gutter is prohibited in the County #21A - 21B CONCRETE GRADE 1 REQUIRED TO ACCOMMODATE TERMINAL TREATMENTS. 5. All graded islands must be graded to ¼”:1’ rise to minimize sight 9
Y right-of-way.
B distance problems. 1'
4" #57 STONE (MIN) " C&G 5. The transition from standard six (6) inch curb to roll-faced curb shall 5' DEPTH TO MATCH 2 6. All areas to be filled within the buildable area (ponds, sediment / NOTE: DEPTH OF SIDEWALK SHALL BE 7" AT ALL LOCATIONS SUBGRADE 1
be at intersections at the point of curvature (PC) of curb returns. 1'-0" 3'-0" 1 basins, sediment traps, wetlands, etc.) must be backfilled with SUSCEPTIBLE TO VEHICULAR TRAFFIC. GUARDRAIL DETAIL WITHOUT CURB & GUTTER JANUARY 1, 2002 structural fill and compacted to 95% compaction. CONCRETE SHALL BE CLASS A-3. 6. Where sidewalks are present or proposed, all driveways must be C County of Henrico ' - 1 2 Department of Public Works GR-2-WO-CG.DWG NOTES: THE BOTTOM OF THE CURB 3 concrete from the back of curb to at least the rear of the sidewalk. 7. All grading shown on lots must be done prior to building permit SEE VDOT ST'D CG-12B FOR SIDEWALK TREATMENT 1. CONCRETE SHALL BE CLASS A-3. AND GUTTER MAY BE ADJACENT TO COMMERCIAL ENTRANCES AND INTERSECTIONS. issuance. CONSTRUCTED PARALLEL TO ' 2. APRONS ARE NOT REQUIRED AT DRIVEWAYS WITH ROLL FACE 7. Class 57 stone must be placed under all curb and gutter and must 4 CURB AND GUTTER UNLESS A CURB CUT DETAIL IS USED. THE SLOPE OF SUBSURFACE 8. The design and construction of basins must in compliance with the A PEDESTRIAN PASSING AREA MUST BE PROVIDED AT 200' COURSES PROVIDED A extend one foot beyond the back of the curb. 3. TYPE 'B' NOSE IS REQUIRED ON ALL INLETS INSTALLED WITH INTERVALS. ENTRANCES AND STREET INTERSECTIONS CAN MINIMUM DEPTH OF 7" IS general requirements for dams in the Virginia Stormwater 9' ROLL FACE CURB AND GUTTER. FOR CURB AND GUTTER
D BE UTILIZED AS PASSING AREAS. MAINTAINED. E D 8. CG-12’s must be installed at curb returns where there is existing or TRANSITIONS SEE ROLL FACE CURB TRANSITIONS IN APPENDIX K
E Management Program Manual. A geotechnical engineer must certify C K PEDESTRIAN PASSING AREA 'C' OF THIS MANUAL. E C that the construction compaction requirements have been achieved.
E H proposed sidewalks. In locations where there is no sidewalk being C H
C BMPs for subdivisions will not be accepted for County maintenance REVISED 6/1/04 Y proposed, the curb must be depressed for the future location of a ROLL FACE CURB AND GUTTER A T SIDEWALK DETAIL D N W
E until the geotechnical certification is provided and accepted by the JANUARY 1, 2002 JANUARY 1, 2002 D E
Y CG-12. E F M
E County of Henrico County of Henrico T O N V T Department of Public Works. SIDEWALK.DWG RFCG3.DWG
Department of Public Works Department of Public Works G R O . I L T U L S P A R
K WIDTH OF PAVED ROAD SURFACE O CONDITIONS FOR GUARDRAIL A SURVEY ENTRANCE O N
A 1'-6" B 6' OR TO R/W LINE
L WHICHEVER IS GREATER E Guardrail is typically required on sections of roadway when any of the 1. All roadways must be cleared in the area of proposed construction E FACE OF CURB C T
P FLOW
. C L 1'-0" N 18" A LINE T 1/4":1' O
o R T U 5" 18" 8" following conditions exist within the clear zone: prior to requesting staking from the County. ' 1" O :1 N UM 1" N IM
N 1":1' X E B MA ' 1 A 2":1 4' /2 WIDTH OF ENTRANCE IMUM 1/ F MIN 4" MIN. O L 7" GRASS A 6' MINIMUM C 1/2" R I #57 2. All utility poles, fire hydrants, and other above ground obstacles C L 1. A roadside parallel embankment (fill slope) of 3:1 or steeper and a R 4" T STONE E 8' MAX 18" MIN M located within the public right-of-way and in conflict with the M depth of four feet or more. Y EXPANSION JOINT S
(IF REQUIRED) E proposed sidewalk shelf, curb and gutter, and/or the pavement C 6" 1":1' N A SECTION A-A
R " 2. A water hazard with a depth of two feet or more. T 18" MIN 1 widening shall be relocated at the developer’s expense prior to N E " FLOW LINE - : ' E 7 Henrico County staking the curb and gutter. FACE OF 1'-6" T 1 CURB O 3. A ditch section with a depth of three feet or more (as measured from N 1'-6" GUTTER 1/2" PREMOLDED EXPANSION the near edge of pavement. 3. All curb and gutter and storm sewer/inlets located within the JOINT FILLER MAIN ROADWAY 4" #57 STONE (MIN) HALF - PLAN A DEPTH TO MATCH existing County right-of-way shall be staked by the County upon "
SUBGRADE 2 4. A fixed object (such as a culvert, pipe, headwall, retaining wall, 1'-6" NOTES: ALL LUMBER TO BE PRESSURE TREATED, 4"X4" FOR POST SET IN CONCRETE, 1"X8" FOR TOP OF / written request being made to the County Engineer or by calling 501- 6" 1'-6" 1 THE HORIZONTAL BOARDS. REFLECTORIZED SIGNS TO BE INSTALLED BY THE COUNTY.
CURB bridge pier, or abutment). 1 4619. 4" FLOW LINE 7" 1'-0" 2'-0" 5. Other hazards as determined by the Traffic Engineer. THE BOTTOM OF THE CURB AND 4. Prior to requesting County stakeout, all appropriate information GUTTER MAY BE CONSTRUCTED PARALLEL TO THE SLOPE OF necessary for stakeout must be provided to the Henrico County SECTION ELEVATION AT GUTTER LINE 6. Additional right-of-way or permanent easements may be required to ISOMETRIC VIEW SUBSURFACE COURSES PROVIDED END OF ROAD BARRICADE CONCRETE APRONS ARE REQUIRED IF: A MINIMUM DEPTH OF 7" IS Survey Department. 1. THERE IS AN EXISTING SIDEWALK accommodate the guardrail in its entirety. JANUARY 1, 2002 ADJACENT TO THE DRIVEWAY. MAINTAINED. County of Henrico NOTES: MODIFICATIONS TO THIS DETAIL MAY BE REQUIRED FOR SIDEWALKS AND 2. THERE IS A CURB INLET WITHIN Department of Public Works BARRICADE2.DWG 5. Right-of-way and baseline information must be established in the MOBILITY IMPAIRMENT REQUIREMENTS. 25' OF THE ENTRANCE. All guardrail must be approved by the Department of Public Works and 3. THE LOT ADJACENT TO THE CONCRETE SHALL BE CLASS A-3 field and clearly tied to monuments/benchmarks prior to requesting DRIVEWAY IS LOWER THAN THE shown on the plans, including any necessary details, type, and lengths of CONCRETE SHALL BE CLASS A-3. CURB. stakeout by the County. rail. STANDARD ENTRANCE APRON CURB AND GUTTER (FOR ROLL FACE CURB & GUTTER) JANUARY 1, 2002 JANUARY 1, 2002 County of Henrico County of Henrico PAVEMENT Department of Public Works ENTR-WOSW-RFCG.DWG Department of Public Works HSCG.DWG 1. The pavement section is subject to change based on soil conditions at the time of construction, as determined by the Construction
Engineer for Henrico County. ENTRANCE A 1'-6" 6'-0" OR TO R/W LINE WHICHEVER IS GREATER FACE OF CURB THIS ROAD IS TO BE 6" E C L C FACE OF 2. Any necessary pavement widening between the existing pavement N T 1/4":1' 5" 1" A U CURB R O ' M 1":1 T B IMU EXTENDED WITH FUTURE 1":1' MAX WHERE CONFLICTS EXIST, THE N A 2":1' 1/ E UM and the proposed improvements is the responsibility of the 1 MINIM /2 WIDTH OF ENTRANCE L 7" 4" MIN. F A 1/2" R GRASS O C I #57
6' MINIMUM R 4" developer. C L T STONE DEVELOPMENT. FOR E
M
M Y NOTES AND DETAILS ON THIS EXPANSION JOINT S SECTION A-A 3. All medians for turn lanes must be VDOT Std. MS-1. For turn lanes (IF REQUIRED) E 6" 24" C MORE INFO CONTACT THE N A R being constructed on existing roads, the old median must be FLOW LINE T N
" SURFACE FACE OF 2'-0" E
CURB : 6 COUNTY OF HENRICO removed entirely and the solid raised median poured on the asphalt 1'-6" GUTTER E T 1/2" PREMOLDED EXPANSION O -
SHEET SUPERCEDE THE CURRENT ' JOINT FILLER N base course in accordance with the standards for MS-1 Median. 1 MAIN ROADWAY BASE PLANNING OFFICE Standard MS-1A or variations of the same will not be permitted. A VERSION OF THE HENRICO COUNTY HALF - PLAN AT 501-4602 4. Pavement sections for through lanes and turn lanes must be the 2'-0" TOP OF 4" #57 STONE (MIN) CURB DEPTH TO MATCH SUBBASE 6 same as the existing pavement section. These turn lanes must have 6" FLOW LINE 0 30" 7" SUBGRADE / underdrains. 7.5" 4 1'-0" 6" Notes: 1. All fonts are green FHWA HWYB DESIGN MANUAL. 1 6" 2. Green Border is 5/8" thickness / 5. No pavement open cuts are allowed on existing County maintained 1'-3" MIN. 3. Sign face must be reflectorized to a 4 1'-6" MAX. minimum of engineering grade white sheeting SECTION ELEVATION AT GUTTER LINE ISOMETRIC VIEW 6" sign must be made of a minimum roads unless specifically approved by the Construction Engineer for CONCRETE APRONS ARE REQUIRED IF: 0.08 thickness aluminum g 1. THERE IS AN EXISTING SIDEWALK w Henrico County. ADJACENT TO THE DRIVEWAY. d NOTES: MODIFICATIONS TO THIS DETAIL MAY BE REQUIRED FOR SIDEWALKS AND 2. THERE IS A CURB INLET WITHIN 6" . 25' OF THE ENTRANCE. 6 MOBILITY IMPAIRMENT REQUIREMENTS. 12" 3. THE LOT ADJACENT TO THE 0 6. If utility connections are located outside of the pavement and right- CONCRETE SHALL BE CLASS A-3 ACCEPTABLE ALTERNATIVE REVISED 6/1/04 s DRIVEWAY IS LOWER THAN THE ROAD EXTENSION SIGN l IF CURB IS EXTRUDED i CONCRETE SHALL BE CLASS A-3. CURB. a of-way, no pavement disturbance is required and all utility crossings JANUARY 1, 2002 t
e C County of Henrico -
d must be bored. 2 Department of Public Works ROAD_EXTEND_SIGN.DWG
REVISED 6/1/04 0 n STANDARD ENTRANCE APRON INDEPENDENT CURB i o t 7. Soil tests and CBR information, with an appropriate pavement design, (FOR RESIDENTIAL USE ONLY) JANUARY 1, 2002 JANUARY 1, 2002 c County of Henrico u County of Henrico r ENTR-WOSW.DWG Department of Public Works HSCG-2.DWG t must be performed and made available to the Construction Engineer Department of Public Works s n prior to subgrade approval o c