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Subdivision Review Comments
All Subdivision Review Comments for Case # 17CP0112




For VDOT’s comments please contact Virginia Department of Transportation at (804) 674-2814 or send e-mail to Boris.Solomonov@VDOT.Virginia.gov

For Tentative Subdivision resubmittals:

1. Please note that submittal fees include the original submittal and two (2) additional reviews.

2. A letter of transmittal is required to accompany each submittal.

3. Please verify that Environmental Engineering, Fire, CDOT, VDOT, and Planning have reviewed the submittal before resubmitting. A resubmittal tendered, prior to receiving all the required departments’ review, will be counted as an additional submittal. Go to Case Selection Form or Go to Project List


 
CASE NO: 17CP0112 STATUS: PENDING APPROVAL
PROJECT NAME: ASTON OAKS AT MAG GR - LAST INTERNET UPDATE: 11/20/17
SUBMITTAL TYPE: CONSTRUCTION PLAN
DEPARTMENT...REV..ROUTED..RESPONSE..STATUS....DATE...RVW..PHONE
ENVIR.ENGR.-: 01 06/19/17 07/10/17 COMPLETE 07/05/17 GT 706-2061
FIRE DEPT.--: 01 06/19/17 07/10/17 COMPLETE 08/03/17 AWB 717-6167
PLANNING----: 01 06/19/17 07/10/17 ******** ********
TRANSPORT.--: 01 06/19/17 07/10/17 COMPLETE 08/03/17 SES 751-4912
UTIL.PLAN.--: 01 06/19/17 07/10/17 ******** ********
UTILITIES---: 01 06/19/17 07/10/17 AMENDED* 08/07/17 A U
UTIL.R.O.W.-: 01 06/19/17 07/10/17 ******** ********
VDOT--------: 01 06/19/17 07/10/17 ******** ********
REVIEW DEPARTMENT: UTILITIES DEPARTMENT
REVIEWER/PHONE # : ANNE URENDA, P.E./(804)748-1343
NAME OF PLAN : PINE VALLEY AT MAGNOLIA GREEN SECTION 4
ADDRESS : WOOLRIDGE ROAD AND CREEKSHIRE DRIVE
SUBMISSION DATE : 4/18/17
PLAN DATED : 3/24/17
REVIEW DATE : 4/24/17
SITE PLAN NO. : 17CP00112
COMMENTS : 1ST REVIEW-NOT APPROVED
TABLE REVIEW : NO
PLAT PROCESS :
*
.
1. COUNTY PROJECT NUMBER 17-0082 SHALL BE PLACED ON THE
LOWER RIGHT HAND CORNER OF EACH SHEET.
*
2. ADD THE FOLLOWING UTILITIES CONTACT INFORMATION TO THE
PLAN: ANNE URENDA, P.E. SENIOR ENGINEER, 804-748-1343,
URENDAA@CHESTERFIELD.GOV.
*
3. ADD A MISS UTILITY NOTE TO THE COVER PAGE.
*
4. REVISE THE "APPROXIMATE QUANTITIES TABLES" AS
NECESSARY. ADD "PUBLIC" TO WATERLINE AND SEWER TABLES.
ADD MANHOLE INSERTS AND QUANTITIES TO SEWER TABLE.
5. THE MAXIMUM ALLOWABLE DEFLECTION IS EXCEEDED ON THE 8"
WATERLINE BETWEEN STATIONS 45+00 AND 50+50. ADD FITTINGS
AS NEEDED ALONG THIS SECTION OF WATERLINE.
*
6. LABEL BOTH SIZE AND TYPE OF MATERIAL FOR ALL EXISTING
AND PROPOSED WATER AND SEWER LINES ON PLAN SHEET C3.0.
*
7. ADD THE SIZE OF THE WM (5/8"), CORPORATION STOP (3/4")
AND SERVICE LINE (3/4") TO THE TYPICAL NOTES ON PLAN SHEET
C3.0.
*
8. LOCATE FIRE HYDRANTS 3 FEET BEHIND THE HOUSE SIDE OF
THE SIDEWALK. THIS IS A NEW CHESTERFIELD COUNTY
REQUIREMENT. A 10' X 10' EASEMENT IS REQUIRED FOR PUBLIC
UTILITIES ON PRIVATE PROPERTY.
*
9. SHOW THE LOCATION(S) OF THE REQUIRED WATERLINE
"JUMPER(S)" AT EACH WATERLINE CONNECTION. THE JUMPER MUST
CONFORM TO DETAIL WAT-6.
*
10. PLEASE ADD A NOTE STATING THAT ALL SALVAGEABLE PUBLIC
WATER AND SEWER APPURTENANCES ARE TO BE RETURNED TO THE
CHESTERFIELD DEPARTMENT OF UTILITIES AT THE DISCRETION OF
THE UTILITIES INSPECTOR.
11. ADD COUNTY PROJECT NUMBER 17-0025 WHEREVER REFERENCES
ARE MADE TO PINE VALLEY SECTION 3.
*
12. ADD A BACKFLOW PREVENTION DEVICE TO THE IRRIGATION
METER.
*
13. ADD A SAMPLING STATION TO THE 8" WATERLINE.
*
14. ADD 6" VALVES TO THE WATERLINE ON EITHER END OF DOYLES
TRAIL. THESE CAN REPLACE THE 8" VALVES ON THE SOUTH SIDE
OF THE TEES.
*
16. MINIMUM SEPARATION IS NOT MET WHERE THE 6" WATERLINE
CROSSES THE SANITARY SEWER NEAR MH#7. IT IS ACCEPTABLE TO
RAISE THE 6" WATERLINE TO WITHIN 6 INCHES OF THE STORM PIPE
9-18 AS LONG AS ONE STICK OF CLASS 52 DUCTILE IRON PIPE IS
CENTERED UNDER THE STORM PIPE.
*
17. PROVIDE PIPE RESTRAINT CALCULATIONS FOR ALL REDUCERS,
VERTICAL AND HORIZONTAL BENDS, AND DEAD ENDS AND SHOW
CALCULATED DISTANCES ON PIPE PROFILES. CALCULATIONS SHOULD
USE A TEST PRESSURE OF 150 PSI AND A SAFETY FACTOR OF 1.5.
*
.
18. PLEASE COORDINATE THE WATERLINE PROFILES ON TWIN FALLS
LANE WITH THE PROFILES SHOWN IN THE PINE VALLEY SECTION 3
CONSTRUCTION DRAWINGS.
*
19. ADD A NOTE TO THE SEW 3-EX PROFILE INDICATING ALL
MANHOLE RIMS ALONG THE PORTION OF SANITARY SEWER IN THE
EASEMENT MUST BE INSTALLED AT 12" ABOVE GRADE.
ADDITIONALLY, THE PROFILE SHOULD BE REVISED TO SHOW THE
REVISED MANHOLE RIM ELEVATIONS GRAPHICALLY.
*
20. ADD THE COUNTY PROJECT NUMBER 14-0102 TO THE MANHOLE
LABEL FOR E6 ON THE SEW 3-EX PROFILE.
21. ON SHEET C5.0, PLEASE ADJUST THE STORM MANHOLE LABELS
SO THAT THE LEADER LINES DO NOT PASS THROUGH THE TEXT.
*
22. REVISE TYPICAL FIRE HYDRANT PLACEMENT DETAIL TO SHOW
FIRE HYDRANT 3 FEET BEHIND SIDEWALK.
*
23. REMOVE DETAIL WAT-2 AND ADD DETAILS MET-1, MET-11 AND
WAT-16 (SHEET 1 OF 2).
*
24. PLEASE SUBMIT A HARD COPY OR ELECTRONIC COPY OF THE
METER SIZING FORM WITH THE NEXT SUBMISSION. FORM SHOULD
INCLUDE SIGNATURE.
25. REVISE THE APPROXIMATE QUANTITIES TABLE ON THE COVER
SHEET AS NECESSARY BASED ON THESE COMMENTS.
*
26. REPLACE THE FLOW TEST DATED JANUARY 4, 2014 WITH THE
FLOW TEST DATED 2/24/17 THAT IS SHOWN ON THE SECTION 3
CONSTRUCTION DRAWINGS. UPDATE THE DESIGN CRITERIA AND
RESIDUAL PRESSURE RESULTS BASED ON THE LATEST FLOW TEST.
*
27. WILL A LANDSCAPE PLAN BE FORTHCOMING? IF SO, PLEASE
ENSURE THAT ALL PROPOSED WATER UTILITIES ARE SHOWN. THIS
INCLUDES WATER SERVICE LINES AND WATERMAINS AS WELL AS
SEWER LATERALS. STREET TREES MUST BE LOCATED AT LEAST 10
FEET FORM SERVICE LINES/WATERMAINS AND LATERALS/CLEANOUTS
AND MAY NOT BE LOCATED WITHIN PUBLIC EASEMENTS
*
28. BE ADVISED THAT FOR ALL PUBLIC WATERLINES AND/OR SEWER
LINES THAT ARE CONTAINED WITHIN EASEMENTS OR PROPOSED
RIGHTS-OF-WAY, THE EASEMENTS OR RIGHTS-OF-WAY MUST BE
DEDICATED PRIOR TO ACCEPTANCE OF UTILITIES INTO THE SYSTEM.
*
29. PLANS FOR PINE VALLEY SECTION 4 WILL NOT BE RELEASED
TO THE UTILITIES CONSTRUCTION SECTION UNTIL SUCH TIME THAT
PINE VALLEY SECTION 3 IS UNDER CONSTRUCTION.
*
31. THE OWNER SHALL BE REQUIRED TO ENTER INTO A COUNTY
UTILITIES CONTRACT PRIOR TO THE START OF CONSTRUCTION.
PRIOR TO THE PREPARATION OF THE UTILITIES CONTRACT,
UTILITIES MUST BE IN RECEIPT OF THE "ACCEPTED" BID PROPOSAL
BETWEEN THE DEVELOPER AND THE COUNTY APPROVED UTILITIES
CONTRACTOR AS WELL AS THE PROJECT'S INFORMATIONAL SHEET
FOUND ON THE "DEVELOPER'S CHECKLIST". PLEASE SEND THESE
DOCUMENTS TO THE ATTENTION OF ANNE URENDA
(URENDAA@CHESTERFIELD.GOV). THE BID PROPOSAL MUST BE BASED
ON THE APPROVED SITE PLAN. BE ADVISED THAT IF THE SITE PLAN
IS REVISED AND REAPPROVED SUBSEQUENT TO THE PREPARATION OR
RECORDATION OF THE UTILITIES CONTRACT, THE BID PROPOSAL
SHALL BE REVISED ACCORDINGLY AND A REVISED UTILITIES
CONTRACT MAY BE NECESSARY.
*
32. AFTER FINAL SITE PLAN APPROVAL, SUBMIT THREE SETS OF
THE APPROVED PLANS DIRECTLY TO THE UTILITIES DEPARTMENT FOR
OUR USE DURING CONSTRUCTION INSPECTION. THIS IS IN
ADDITION TO ONE APPROVED SET FROM PLANNING (4 TOTAL SETS).
ONE ADDITIONAL ROLLED SET WILL BE REQUESTED AFTER THE
PROJECT IS RELEASED TO CONSTRUCTION TO BE USED FOR AS-
BUILTS.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
REVIEW DEPARTMENT: UTILITIES DEPARTMENT
REVIEWER/PHONE # : ANNE URENDA, P.E./(804)748-1343
NAME OF PLAN : ASTON OAKS AT MAGNOLIA GREEN SECTION 2
ADDRESS :
SUBMISSION DATE : 8/3/17
PLAN DATED : 7/27/17
REVIEW DATE : 8/3/17
SITE PLAN NO. : 17CP0112
COMMENTS : 3RD REVIEW- APPROVED
TABLE REVIEW : N/A
THE PLANS FOR ASTON OAKS AT MAGNOLIA GREEN, SEC. 2 WITH THE
REVIEW IS EFFECTIVE UNTIL AUGUST 3, 2022. APPROVED. THIS
REVIEW IS EFFECTIVE UNTIL AUGUST 3, 2022.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
REVIEW DEPARTMENT: CHESTERFIELD TRANSPORTATION DEPARTMENT
REVIEWER/PHONE#: STEVEN E. SIMONSON, P.E. (804)748-1037
NAME OF PLAN: PINE VALLEY @ MAGNOLIA GREEN, SEC 4
CASE NUMBER: 17CP0112
LATEST PLAN DATE: 03/24/2017
DEPT. REC'D. DATE: 04/25/2017
SUBMITTAL NUMBER: ONE
REVIEW DATE: 05/15/2017
RECOMMENDATION: NOT APPROVED
TABLE REVIEW: YES
.
PLEASE ADD THE ADTS FROM TENTATIVE 14TS0106 AND INDICATE ON
THE "SHEET LIST TABLE" WHICH SHEET THE ADTS ARE SHOWN ON.
.
REVIEW DEPARTMENT: CHESTERFIELD TRANSPORTATION DEPARTMENT
REVIEWER/PHONE#: STEVEN E. SIMONSON, P.E. (804)748-1037
NAME OF PLAN: ASTON OAKS @ MAGNOLIA GREEN, SEC 2
CASE NUMBER: 17CP0112
LATEST PLAN DATE: 06/16/2017
DEPT. REC'D. DATE: 06/21/2017
SUBMITTAL NUMBER: TWO
REVIEW DATE: 07/03/2017
RECOMMENDATION: APPROVED
TABLE REVIEW: YES
.
REVIEW DEPARTMENT: CHESTERFIELD TRANSPORTATION DEPARTMENT
REVIEWER/PHONE#: STEVEN E. SIMONSON, P.E. (804)748-1037
NAME OF PLAN: ASTON OAKS @ MAGNOLIA GREEN, SEC 2
CASE NUMBER: 17CP0112
LATEST PLAN DATE: 07/27/2017
DEPT. REC'D. DATE: 08/03/2017
SUBMITTAL NUMBER: THREE
REVIEW DATE: 08/03/2017
RECOMMENDATION: APPROVED
TABLE REVIEW: YES
.
REVIEW DEPARTMENT: FIRE
REVIEWER/PHONE#: ANTHONY BATTEN / 717-6167
EMAIL: BATTENA@CHESTERFIELD.GOV
NAME OF PLAN: PINE VALLEY AT MAGNOLIA GREEN SEC 4
CASE NUMBER: 17CP0112
LATEST PLAN DATE: 3/24/17
DEPT. REC'D. DATE: 4/25/17
SUBMITTAL NUMBER: 1ST REVIEW
REVIEW DATE: 5/1/17
RECOMMENDATION: NOT APPROVED
TABLE REVIEW: NO
COMMENTS:
1. FIRE HYDRANTS SHALL NOT BE SEPARATED BY MORE THAN
500 FEET.
2. LOCATE A FIRE HYDRANT IN THE AREA 0F 47+00 - 48+00.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
REVIEW DEPARTMENT: FIRE
REVIEWER/PHONE#: ANTHONY BATTEN / 717-6167
EMAIL: BATTENA@CHESTERFIELD.GOV
NAME OF PLAN: ASTON OAKS AT MAGNOLIA GREEN, SEC. 2
CASE NUMBER: 17CP0112
LATEST PLAN DATE: 6/16/17
DEPT. REC'D. DATE: 6/26/17
SUBMITTAL NUMBER: 2ND REVIEW
REVIEW DATE: 6/28/17
RECOMMENDATION: APPROVED
TABLE REVIEW: YES
COMMENTS:
1. THE REVISED PLAN IS APPROVED AS SUBMITTED.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
REVIEW DEPARTMENT: FIRE
REVIEWER/PHONE#: ANTHONY BATTEN / 717-6167
EMAIL: BATTENA@CHESTERFIELD.GOV
NAME OF PLAN: ASTON OAKS AT MAGNOLIA GREEN, SEC. 2
CASE NUMBER: 17CP0112
LATEST PLAN DATE: 7/27/17
DEPT. REC'D. DATE: 8/3/17
SUBMITTAL NUMBER: TABLE REVIEW
REVIEW DATE: 8/3/17
RECOMMENDATION: APPROVED
TABLE REVIEW: YES
COMMENTS:
1. THE REVISED PLAN IS APPROVED AS SUBMITTED.
============================================================
============================================================
.
REVIEW DEPARTMENT : ENVIRONMENTAL ENGINEERING
REVIEWER/PHONE # : GUOPING TANG / 796-7103
NAME OF PLAN : PINE VALLEY @ MAGNOLIA GREEN - SECTION 4
SITE PLAN NO. : 17CP0112
LATEST PLAN DATE : 03/24/17
DEPT. REC'D DATE : 04/20/17
SUBMITTAL NUMBER : 1
REVIEW DATE : 04/28/17
RECOMMENDATION : REVISIONS REQUIRED
TABLE REVIEW : NO
.
-------- GENERAL NOTES --------
.
001. THE RESPONSIBILITY FOR COMPLIANCE WITH CHESTERFIELD
COUNTY STANDARDS AND POLICIES, AND WITH STATE AND
FEDERAL REGULATIONS WILL BE PLACED ON THE PROFESSIONAL
ENGINEER WHO SIGNS AND SEALS THE APPROVED CONSTRUCTION
PLANS.
.
002. THIS OFFICE RECOGNIZES THAT THE 10-YEAR PRE/10-YEAR
POST REQUIREMENTS FOR FLOOD PROTECTION MAY BE ADDRESSED
BY DISCHARGING INTO A 100-YEAR FLOODPLAIN.
.
003. PLEASE REVISE THE VAHU6 TO JA41 ON SHEET C1.0.
.
004. AS COMMENTED ON SECTION 3 PLAN, PLEASE CLEARLY SHOW
WHERE FEMA ZONE A ENDS AND ZONE AE STARTS ALONG
TRIBUTARY 2 TO BLACKMAN CREEK ON SHEET C1.1. THE FEMA A
AND 100 YEAR FLOOD PLAIN LIMITS UPSTREAM OF THE A AND
AE BOUNDARY ARE UNCLEAR, PLEASE CLEAN IT UP AND MAKE
THEM CONSISTENT WITH SECTION 3.
.
005. AS COMMENTED ON SECTION 3 PLAN, PLEASE LOCATE THE
SECTION BOUNDARY BETWEEN LOT 58 AND BMP#10 TO THE END
OF ROAD IMPROVEMENTS COINCIDING WITH THE RIGHT OF WAY
(END CONSTRUCTION TWIN FALLS LANE NEAR LOT 37 IN
SECTION 4).
.
006. AS COMMENTED ON SECTION 2, PLEASE REMOVE RPB NOTATION
ALONG THE PERMITTED RPA ENCROACHMENT LIMITS IN ALL
APPLICABLE PLAN VIEWS (E.G., SHEETS C1.1, 2.0, C2.1,
C3.0, C3.1, C4.0, C4.1, C8.0, C8.1). IN ADDITION,
PLEASE REMOVE RPB IN THE 35079.023-BMP 9 B-B PROFILE ON
SHEET C5.3.
.
007. AS COMMENTED ON SECTIONS 2 AND 3, PLEASE UPDATE THE RPA
RESTORATION PLAN BOX ON THE LEFT BOTTOM ON SHEET C2.4.
.
-------- EROSION CONTROL ----------
.
008. PLEASE ADD IP SYMBOLS FOR EVERY STORM SEWER INLET ON
SHEET C2.1.
.
009. PLEASE ADD SILT FENCE BEHIND THE DIVERSION DIKE IN
FRONT OF LOTS 16-24, AND AT THE TOE OF THE FILL NEAR
BMP10.
.
010. PLEASE ADJUST THE CLEARING LIMITS FOR THE CONSTRUCTION
OF 5:1 SIDE YARD SWALES IN LOTS 38 AND 42 (SHEETS
C1.1?, C2.1, C3.0, C4.0, C4.1, C8.0)
.
011. FOR THE SEDIMENT BASIN, PLEASE
.
A) INSTALL THE PERMANENT CONCRETE SPILLWAY IN E&SC
PHASE 1 RATHER THAN IN PHASE 2 STEP 12.3 (SHEET C2.2);
.
B) PROVIDE A TEMPORARY DEWATERING ORIFICE (E.G.,
TEMPORARILY BLOCKING PORTION OF THE 1.5' BY 2' LOW FLOW
SPILLWAY) TO PROVIDE DRY AND WET VOLUMES FOR E&SC PHASE
1 AND 2, AND 6-H DRAWDOWN TIME IN THE DRY STORAGE. THE
TEMPORARY BLOCKING WILL BE REMOVED DURING THE SB TO
SWM/BMP CONVERSION (SHEETS 2.0, 2.1, 2.2, 8.1);
.
C) PROVIDE SEDIMENT BASIN ROUTE CALCULATIONS (2, 25 Y).
.
D) CORRECT NOTE 12.1 ON SHEET C2.2 TO REFLECT THE FACT
THAT IT IS A SEDIMENT BASIN (NOT A TRAP), AND
SWM/BMP WETPOND DESIGN 7 (NOT A DRY POND DESIGN 3).
.
012. SEDIMENT BASIN DESIGN DATA SHEET 10" IN #9 AND 8" IN
#10 (SHEET C2.5); IS THIS A TYPO?
013. PLEASE INCREASE THE SEDIMENT TRAPS/BASINS UNITS TO A
MINIMUM OF (2 + 11.3) * 134 = 1782 CY IN THE E&SC BOND
ESTIMATE.
.
014. PRIOR TO A LAND DISTURBANCE PERMIT ISSUANCE, PLEASE
PROVIDE
.
A) WETLANDS DOCUMENTATION FROM COE/DEQ,
.
B) VSMP REGISTRATION STATEMENT AND FEES,
.
C) A VDOT LAND USE PERMIT IF APPLICABLE,
.
D) POSTED EC BOND;
.
E) A SWPPP BOOKLET IN A 3-RING BINDER,
.
F) FLAGGING AROUND SENSITIVE AREAS (BUFFER, WOUS,
OFFSITE PROPERTY, ETC.) ALONG WITH THE INSTALLATION
OF SAFETY FENCE ALONG THE RPA;
.
G) A COPY OF THE AUTOCAD FILES SUBMITTED TO CAROLE
CLIBORNE OF THE ENVIRONMENTAL ENGINEERING
DEPARTMENT.
THE FILES MUST BE SAVED AS A .DWG OR .DXF IN AUTOCAD
VERSION 2009 OR EARLIER AND REFERENCED DIRECTLY TO
THE VIRGINIA STATE PLANE COORDINATE SYSTEM, SOUTH
ZONE IN THE NAD83 DATUM. THE FILES MAY BE SUBMITTED
ON A CD, DVD, OR VIA EMAIL AND MUST BE CLEARLY
LABELED WITH THE SUBDIVISION NAME AND SECTION,
SUBDIVISION PLAN NUMBER, ENGINEERING FIRM AND
PREPARER'S NAME, AND PHONE NUMBER.
THE FILE MUST CONTAIN THE FOLLOWING, EACH CLEARLY
LABELLED IN SEPARATE LAYERS:
EDGES OF ROADS TO INCLUDE CURB AND GUTTER, AND
EDGES OF SIDEWALKS;
.
-------------- CBPA ---------------
.
015. IN THE OVERALL CBPA WATER QUALITY COMPLIANCE CHART ON
SHEET C8.0, THE LAST ITEM FOR APPROVED APPEARS TO BE
WOOLRIDGE RD (NOT PARKWAY) EXTENSION PHASE 3?
.
016. THE CBPA COMPLIANCE STATEMENT ABOVE MS-4 COMPLIANCE
TABLE ON SHEET C8.0 APPEARS OUTDATED, PLEASE UPDATE IT
TO BE CONSISTENT WITH THAT ON THE COVER PAGE.
.
017. PLEASE SHOW THE CALCULATIONS FOR %I = 48.5 FOR STEP 4
ON SHEET C8.0.
.
018. ON THE SECTION VIEW ON THE LEFT BOTTOM OF SHEET C8.1,
THE VERTICAL WALL AND BOTTOM THICKNESS SHOULD BE 8"
(NOT 6") AS SHOWN ON THE TOP VIEW.
.
019. ON THE SIDE VIEW ON THE LEFT TOP ON SHEET C8.1, THE
CURTAIN WALL DEPTH SHOULD BE 36" RATHER THAN 24". IN
ADDITION, PLEASE SHOW THE EXISTING GROUND SURFACE.
.
020. WHAT IS THE EQUIVALENT INCHES FOR A PUMP RATED AT 2 HP?
(SHEET C8.1).
.
021. PLEASE RELOCATE THE LEADER FOR 50' VEGETATIVE PERIMETER
YARD SETBACK IN LOT 12 (IT CURRENTLY POINTS TO SWM/BMP
EASEMENT ON SHEETS C3.0 AND C8.1.
.
022. PLEASE PROVIDE A "BEST FIT" FOREBAY FOR THE INFLOW FROM
THE DITCH BEHIND LOT 11.
.
023. PLEASE RELOCATE THE FENCE BEHIND LOTS 11-15 FOR BMP9
CLOSE TO OR ALONG THE EASEMENT.
.
024. THE CLEARING LIMIT ON SHEET C8.1 SHOWS ENCROACHMENT
BEYOND APPROVED RPA ENCROACHMENT LIMIT, PLEASE MINIMIZE
.
025. AS THE IRON ELBOW IS 3' ABOVE THE POND BOTTOM, IT CAN
BE REMOVED FROM THE 12" DI DRAIN PIPE IN THE DETAIL ON
SHEET C8.2.
.
026. PLEASE CLEARLY SHOW A DIMENSION LINE WITH ARROWS ON
BOTH SIDES OF ENCROACHMENT AREAS IN ALL APPLICABLE PLAN
VIEWS.
.
027. PLEASE DEPICT THE RPA SIGN LOCATIONS IN PLAN VIEWS
ALONG THE RPA OR PERMITTED ENCROACHMENT LIMITS. A NOTE
IN THE VICINITY OF RPA SIGN DETAIL COULD BE HELPFUL.
.
028. PLEASE DIMENSION ONLY THE MOST RESTRICTIVE 35' SETBACK
FROM WETLANDS, RPA, OR FLOODPLAIN ON SHEET C3.0.
FOR EXAMPLE, SOME OF THE 35' SETBACK FROM THE FEMA
LIMIT IS NOT NECESSARY UNLESS IT IS MORE RESTRICTIVE
AND AFFECT A LOT.
.
029. PLEASE RELOCATE RPA SIGNS ALONG RPA TO LOTS 16/17 AND
18/19 AT COMMON LOT LINE, AND ADD RPA SIGN BEHINDS LOTS
5/6, 3/4, AND 1/2. FURTHER DISCUSSION HELPFUL.
.
030. AS A REMINDER, PRIOR TO SUBDIVISION PLAT RECORDATION, A
SWM/BMP MAINTENANCE FEE OF $100 PER LOT MUST BE
RECEIVED.
.
-------- ROAD AND DRAINAGE --------
.
031. PART OF THE CURB INLET IS WITHIN THE CG-9D ENTRANCE IN
LOT 1, PLEASE ADDRESS.
.
032. PLEASE LABEL THE TEMPORARY CONSTRUCTION EASEMENT IN
SECTION 3 LOTS 49 AND 58 ON SHEETS C3.0, C4.0, AND
C4.1.
.
033. PLEASE ADD "FOR VDOT MAINTENANCE" TO THE DRAINAGE
EASEMENT FOR STRUCTURES 9-20, 9-16, 9-12, 9-26, 9-28.
.
034. PLEASE SPECIFY A RADIUS FOR THE TURNS IN THE PAVED
DITCHES BEHIND LOTS 10-11, AND 34-36, ACCOUNT FOR
CURVED CHANNEL SUPERELEVATION IN THE WATER SURFACE
ELEVATION CALCULATION REPORTS, USE ROUGHNESS
COEFFICIENT OF 0.015 (NOT 0.05) FOR THE DITCH BEHIND
LOTS 34-36, SHOW DRAINAGE AREA WITH RUNOFF COEFFICIENT
TO THE DITCH BEHIND LOTS 1-11.
.
035. PLEASE LABEL THESE PAVED DITCHES AS PG-2A ON THE PLAN
AND PROFILE SHEETS.
.
036. PLEASE EARMARK LOTS 26-33 WITH AN NBP2.
.
037. PLEASE SHOW OUTLET PROTECTION FOR STR#9-1 ON THE
PROFILE ON SHEET C5.2.
.
038. PLEASE SPECIFY SLOT OPENING LOCATION BY CARDINAL
DIRECTION (N, E, W, S) FOR ALL DI-6 (SHEET C6.1).
.
039. PLEASE ADDRESS 100 YEAR OVERFLOW FROM STR# 9-51: ADD AN
OVERFLOW SWALE TO CONTAIN THE OVERFLOW WITHIN THE
EASEMENT?
.
040. PLEASE REMOVE CRAWL SPACE ELEVATION DETAIL ON SHEET
C7.1.
.
041. PLEASE PROVIDE A WRITTEN RESPONSE IN THE MARGIN OF A
COPY OF THESE REVIEW COMMENTS WITH YOUR NEXT PLAN
SUBMITTAL. DESIGN, DETAIL, AND CALCULATIONS REQUIRED BY
THE ABOVE COMMENTS SHALL BE SUBJECT TO FURTHER REVIEW.
.
---- END OF ENV. ENG. COMMENTS ----
.
============================================================
============================================================
============================================================
============================================================
.
REVIEW DEPARTMENT : ENVIRONMENTAL ENGINEERING
REVIEWER/PHONE # : GUOPING TANG / 796-7103
NAME OF PLAN : ASTON OAKS @ MAGNOLIA GREEN - SECTION 2
SITE PLAN NO. : 17CP0112
LATEST PLAN DATE : 06/16/17
DEPT. REC'D DATE : 06/20/17
SUBMITTAL NUMBER : 2
REVIEW DATE : 07/05/17
RECOMMENDATION : REVISIONS REQUESTED
TABLE REVIEW : YES
.
-------- GENERAL NOTES --------
.
001. THE RESPONSIBILITY FOR COMPLIANCE WITH CHESTERFIELD
COUNTY STANDARDS AND POLICIES, AND WITH STATE AND
FEDERAL REGULATIONS WILL BE PLACED ON THE PROFESSIONAL
ENGINEER WHO SIGNS AND SEALS THE APPROVED CONSTRUCTION
PLANS.
.
002. THIS OFFICE RECOGNIZES THAT THE 10-YEAR PRE/10-YEAR
POST REQUIREMENTS FOR FLOOD PROTECTION MAY BE ADDRESSED
BY DISCHARGING INTO A 100-YEAR FLOODPLAIN.
.
003. PLEASE REMOVE 0208 HUC ON SHEET C1.0.
.
004. PLEASE LABEL RPB BEHIND LOTS 17 AND 18 ON SHEET C1.1
.
005. THREE SETS OF 100 YEAR FLOOD PLAIN LIMITS ARE SHOWN ON
BOTTOM RIGHT OF SHEET C1.1 (SOUTH OF WOOLRIDGE ROAD), 2
SETS ACROSS THE ROAD. PLEASE SHOW ONLY ONE SET USING
THE MOST RESTRICTIVE LIMITS OF ALL OF THEM, LABEL IT AS
FEMA. REFLECT UPDATE ON OTHER AFFECTED SHEETS.
.
-------- EROSION CONTROL ----------
.
006. PRIOR TO A LAND DISTURBANCE PERMIT ISSUANCE, PLEASE
PROVIDE
.
A) VSMP REGISTRATION STATEMENT AND FEES,
.
B) POSTED EC BOND OF $123,862.50;
.
C) A SWPPP BOOKLET IN A 3-RING BINDER,
.
D) FLAGGING AROUND SENSITIVE AREAS (BUFFER, WOUS,
OFFSITE PROPERTY, ETC.) ALONG WITH THE INSTALLATION
OF SAFETY FENCE ALONG THE RPA;
.
E) A COPY OF THE AUTOCAD FILES SUBMITTED TO CAROLE
CLIBORNE OF THE ENVIRONMENTAL ENGINEERING
DEPARTMENT.
THE FILES MUST BE SAVED AS A .DWG OR .DXF IN AUTOCAD
VERSION 2009 OR EARLIER AND REFERENCED DIRECTLY TO
THE VIRGINIA STATE PLANE COORDINATE SYSTEM, SOUTH
ZONE IN THE NAD83 DATUM. THE FILES MAY BE SUBMITTED
ON A CD, DVD, OR VIA EMAIL AND MUST BE CLEARLY
LABELED WITH THE SUBDIVISION NAME AND SECTION,
SUBDIVISION PLAN NUMBER, ENGINEERING FIRM AND
PREPARER'S NAME, AND PHONE NUMBER.
THE FILE MUST CONTAIN THE FOLLOWING, EACH CLEARLY
LABELLED IN SEPARATE LAYERS:
EDGES OF ROADS TO INCLUDE CURB AND GUTTER, AND
EDGES OF SIDEWALKS;
.
-------------- CBPA ---------------
.
007. AS A REMINDER, PRIOR TO SUBDIVISION PLAT RECORDATION, A
SWM/BMP MAINTENANCE FEE OF $100 PER LOT MUST BE
RECEIVED.
.
-------- ROAD AND DRAINAGE --------
.
008. FOR DIMENSION PERMITTED RPA ENCROACHMENT AREA, EXTEND
THE EXISTING ARROW AS SHOWN IN THE ATTACHED
ILLUSTRATION (NO NEED TO HAVE SEPARATED DIMENSION
LINES).
.
009. PLEASE LABEL THE LEVEL SPREADER CG-2 ON THE TOP VIEW OF
THE CONCRETE WEIR ON SHEET C8.1. SHOW IT AS CONCRETE?
.
010. PLEASE PROVIDE CALCULATION TO SHOW THE CONTAINMENT OF
100 YEAR FLOW ON THE TOE OF THE OUTLET OF THE CONCRETE
WEIR.
.
011. AS PREVIOUSLY REQUESTED, PLEASE ADDRESS 100 YEAR
OVERFLOW FROM STR# 9-51: ADD AN OVERFLOW SWALE TO
CONTAIN THE OVERFLOW WITHIN THE EASEMENT? CHECKING THE
CALCULATIONS AGAIN, IT APPEARS THAT THE OUTLET WATER
SURFACE ELEVATION OF 243.77' IS NOT REALISTIC. PLEASE
START FROM A REASONABLE ELEVATION, AND CHECK IF THE
OVERFLOW PERSISTS.
.
---- END OF ENV. ENG. COMMENTS ----
.
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