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Subdivision Review Comments
All Subdivision Review Comments for Case # 17CP0011




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CASE NO: 17CP0011 STATUS: PENDING APPROVAL
PROJECT NAME: HARPERS MILL SOUTHEA - LAST INTERNET UPDATE: 11/22/17
SUBMITTAL TYPE: CONSTRUCTION PLAN
DEPARTMENT...REV..ROUTED..RESPONSE..STATUS....DATE...RVW..PHONE
ENVIR.ENGR.-: 00 07/27/16 08/24/16 COMPLETE 08/23/16 ASM 717-6711
FIRE DEPT.--: 00 07/27/16 08/24/16 COMPLETE 08/08/16 JKL 748-1489
PLANNING----: 00 07/27/16 08/24/16 COMPLETE 08/30/16 GWK 706-7691
TRANSPORT.--: 00 07/27/16 08/24/16 COMPLETE 08/24/16 SES 751-4912
UTIL.PLAN.--: 00 07/27/16 08/24/16 ******** ********
UTILITIES---: 00 07/27/16 08/24/16 AMENDED* 09/01/16 LV 748-1863
UTIL.R.O.W.-: 00 07/27/16 08/24/16 ******** ********
VDOT--------: 00 07/27/16 08/24/16 ******** ********
REVIEW DEPARTMENT: UTILITIES DEPARTMENT
REVIEWER/PHONE # : LINNETTE VASQUEZ, P.E./748-1863
NAME OF PLAN : HARPER'S MILL SOUTHEAST - SECTION 2
ADDRESS : PART OF 716-662-3359
SUBMISSION DATE : 7/29/16
PLAN DATED : 6/21/16
REVIEW DATE : 8/25/16
SITE PLAN NO. : 17CPO0011
COMMENTS : 1ST REVIEW-NOT APPROVED
TABLE REVIEW :
PLAT PROCESS :
1. UTILITIES PROJECT 16-0027 NUMBER SHALL BE PLACED ON
THE LOWER RIGHT HAND CORNER OF EACH SHEET.
2. TAKE ALL STEPS NECESSARY TO PROVIDE COMPLETE AGREEMENT
BETWEEN THIS SET OF PLANS AND THOSE FOR ALL CONNECTING
PROJECTS. PLEASE PROVIDE INFORMATION ON CONNECTING PROJECTS
NAMES AND PROJECT NUMBERS.
3. PROVIDE A COPY OF AN OVERALL PLAN FOR SECTION.
4. PROVIDE A COPY OF THE SEWER HYDRAULIC ANALYSIS THAT
INCLUDES THIS SECTION WITH MAP AND CALCULATIONS SHEET.
5. ADD STREET NAMES BORDERING THIS SECTION ON VICINITY
MAP.
6. ADD THE FOLLOWING UTILITIES CONTACT INFORMATION TO THE
PLAN: LINNETTE D. VASQUEZ, PE, SENIOR ENGINEER, 804-748-
1863, VASQUEZL@CHESTERFIELD.GOV
7. PROVIDE AND/OR NOTE LOCATION OF MISS UTILITY NOTE.
8. ADD PUBLIC UTILITIES LABEL TO MATERIALS LIST. REVISE
NUMBER OF SERVICE CONNECTIONS TO MATCH PLAN SHEETS.
9. REVISE LEGEND TO INCLUDE ALL SANITARY SEWER AND WATER
MAINS, OTHER UTILITIES, STRUCTURES, EXISTING AND PROPOSED
GROUND, PAVEMENT PROFILE, AND WALKING PATH ON COVER SHEET
10. PROVIDE MISSING SIGNED AND DATED SEAL ON SHEETS
STARTING WITH C2.
11. SHOW ALL ADJACENT PROPERTY OWNER NAME(S) AND ALL
PROPERTY MARKERS ARE SHOWN. SOME LABELS NEED TO BE DARKENED
AND SOME ARE OFF PAGE.
12. CLEARLY LABEL ALL ROAD NAMES FOR BOTH PROPOSED AND
EXISTING ROADS. MOVE LABEL FOR SCRANTON DRIVE. DARKEN LABEL
FOR OTTERDALE RD. PROVIDE ROAD NAME AT WATER CONNECTION
POINT. LABEL ROAD NAMES ON SHT. C3.1.
13. PROVIDE RIGHT OF WAY WIDTHS FOR ALL ROADS INCLUDING
MILLWRIGHT RD ON SHT. C3.0 AND TREGEARE RD. ON SHT. C3.1.
14. PROVIDE A COPY OF NOTIFICATIONS TO ALL ADJACENT
PROPERTY OWNERS PRIOR TO PERFORMING ANY DESIGN AND/OR
SURVEYING WORK. COORDINATE WITH APPLICABLE ADJACENT
PROPERTY OWNERS IN REGARDS TO ANY POSSIBLE IMPACTS
INCLUDING BUT NOT LIMITED TO PROPERTY ACCESS.
15. WHEN DEMOLISHING EXITING WATER AND/OR SANITARY
APPURTENANCES ADD A NOTE STATING THAT, " ALL SALVAGEABLE
ITEMS ARE TO BE RETURNED TO THE CHESTERFIELD COUNTY
DEPARTMENT OF UTILITIES AS DIRECTED BY THE CONSTRUCTION
INSPECTOR.
16. IS AN IRRIGATION SYSTEM BEING PROPOSED WITH THIS
SECTION? PLEASE PROVIDE IRRIGATION METER IF APPLICABLE ON
PLAN SHEETS. A BACKFLOW PREVENTION DEVICE ARE REQUIRED ON
ALL RESIDENTIAL IRRIGATION METERS. PROVIDE DEVICE TYPE,
LOCATION, AND SIZE ON PLANS IF APPLICABLE.
17. IS A LANDSCAPE PLAN BEING INCLUDED WITH PLANS? VERIFY
THAT NO LIGHT POLES OR TREES ARE LOCATED WITHIN A WATER OR
SEWER EASEMENT.
18. VERIFY ALL EXISTING AND PROPOSED STORM SEWER LINES,
GAS, TELEPHONE, POWER, AND OTHER UTILITY LINES WHICH CROSS
OR RUN PARALLEL TO THE SEWER OR WATER MAINS , ARE SHOWN
WITH HORIZONTAL AND VERTICAL SEPARATIONS GIVEN.
19. VERIFY ALL EXISTING EASEMENTS ARE SHOWN ACCURATELY AND
REFLECT THE APPROPRIATE RECORDATION INFORMATION. NOTE THAT
ALL PUBLIC WATER/SEWER LINES MUST BE IN RECORDED EASEMENTS
OR DEDICATED RIGHT OF WAY PRIOR TO ACCEPTANCE BY UTILITIES.
REVISE ROW OR EXTEND EASEMENT TO INCLUDE PROPOSED WATER
OUTSIDE LIMITS OF SUBDIVISION ON SCRANTON DRIVE.
20. NOTE THAT THIS PLAN WILL NOT BE APPROVED AND/OR
RELEASED TO CONSTRUCTION UNTIL ALL EXISTING TIE IN
LOCATIONS ARE UNDER CONTRACT WITH THE UTILITIES DEPARTMENT.
21. CLEARLY SHOW AND LABEL (WITH CTY PRJ #) ALL EXISTING
AND OR PROPOSED UNDER ANOTHER PROJECT WATERLINES AND TEES
ON UTILITY PLAN AND PROFILE SHEETS ON VERNEHAM DR AND
OTTERDALE RD. CLARIFY PROPOSED TAPPING SLEEVE AND VALVE OR
CUT-IN TEE WITH MINIMAL DISRUPTION OF SERVICE TO ADJACENT
PROPERTY OWNERS.
22. VERIFY IF SEWER LINE ALONG MILLWRIGHT ROAD AND
SCRANTON DRIVE CAN BE HIGHER IN ELEVATION. THESE LINES ARE
TWENTY FEET DEEP. LABEL ALL EXISTING SEWER LINES AND
MANHOLES WITH SIZE AND CTY PRJ #.
23. PROVIDE LOCATION AND DIMENSIONS OF ALL EXISTING AND
PROPOSED WATER AND SEWER SERVICE CONNECTIONS. A TYPICAL
(TYP) OF EACH MAY BE LABELED PER SHEET. NOTE ¾" CORP STOP
TO 5/8" WATER METER AND ¾" COPPER SERVICE. FOR 1" SERVICE
LINE NOTE 1" CORP STOP.
24. VERIFY IF A 1 INCH SERVICE LINE IS REQUIRED FOR ALL
LOTS 60 FEET OR GREATER INCLUDING LOT # 9 AND 30.
25. VERIFY IF THE WATERLINE CONFIGURATION OF PIPE ALONG
STAFFORD PARK POINTE BETWEEN STORM STRUCTURE #8 AND #9 CAN
BE SMOOTHED OUT WITH A MINIMUM OF 6" OF SEPARATION DISTANCE
AND ONE SEGMENT OF DUCTILE IRON PIPE CENTERED AT THE
CROSSING. REVISE OTHER STORM STRUCTURE DIPS TO THIS
CONFIGURATION AS WELL AS APPLICABLE FOR ALL STORM
STRUCTURES.
26. REVISE LABEL FOR RESTRAINED JOINT PIPE AT CREEK
CROSSING AT 16+00 ALONG TREGEARE RD TO MOVE LABEL UP ON
PROFILE SHEET CLOSER TO PROPOSED PIPE OR CLEARLY PROVIDE
LINES TO LABEL.
27. SHOW ELEVATION OF 100 YEAR FLOODPLAIN ON PROFILE VIEWS
ON TREGEARE RD. NEAR STATION 16+00. MANHOLE TOPS BELOW THE
100 YEAR FLOODPLAIN ARE REQUIRED TO BE WATERTIGHT FRAME AND
COVER.
28. SHOW AND LABEL EXISTING SEWER LINE AT TIE IN MANHOLE
ON PROFILE SHEETS. VERIFY MATCHING OF PIPE CROWN
ELEVATIONS AND ADD A "MATCH CROWNS" NOTE TO PROFILE SHEETS.
29. CLEARLY SHOW DROP MANHOLE # 5 ON PROFILE SHEET C4.2.
PROVIDE DETAIL AND LABEL.
30. VERIFY ALL APPLICABLE MINIMUM FINISHED FLOOR AND
BASEMENT ELEVATIONS ARE SHOWN AS APPLICABLE. VERIFY WITH
RESPONSE TO THIS COMMENT IF ANY LOTS REQUIRE MINIMUM FINISH
FLOOR (MFF) DESIGNATIONS. PROVIDE THE FOLLOWING INFORMATION
FOR EACH REQUIRED LOT WITH A MFF DESIGNATION IF APPLICABLE:
A. THE MINIMUM FINISH FLOOR (SEWER) ELEVATION.
B. A NOTE STATING THAT THE SEWER CONNECTION IS TO BE
INSTALLED AT 1% GRADE.
C. THE INVERT ELEVATION AT THE END OF THE SEWER
CONNECTION.
D. THE "LOT SHOT" GROUND ELEVATION AT THE APPROXIMATE
FRONT BUILDING LINE.
E. THE "BUILDING ENVELOPE" (WITH RESPECT TO PROVIDING
GRAVITY SANITARY SEWER SERVICE).
31. SHOW AND PROVIDE LOCATION OF ALL SPECIAL FEATURES AT
CREEK CROSSING. PROVIDE AND SHOW A CLAY DAM. ADD ON PROFILE
VIEWS. EVALUATE ADDING A BLOW OFF VALVE NEAR THIS LOW
ELEVATION POINT. VERIFY MINIMUM CLEARANCE PROVIDED.
32. SHOW AND LABEL JUMPER LOCATIONS ON PLANS.
33. PROVIDE LOCATION OF DETAIL MAN-2 ON PLANS. ENSURE ALL
DETAILS ARE UPDATED.
34. ADD A NOTE TO PLAN INDICATING WHICH SEWER LATERALS
WERE INSTALLED UNDER PRIOR PLANS WITH UTILITIES PROJECT
NUMBER AND WHICH LATERALS WILL BE INSTALLED WITH THIS PLAN.
35. ADD A NOTE TO PLAN INDICATING WHICH WATER LATERALS
WERE INSTALLED UNDER PRIOR PLANS WITH UTILITIES PROJECT
NUMBER AND WHICH LATERALS WILL BE INSTALLED WITH THIS PLAN.
36. MOVE FIRE HYDRANT AWAY FROM THE FRONT OF LOT # 20 AND
LOT # 28. FOR LOT # 28 MOVE CLOSER TO PROPERTY LINE CLOSEST
TO LOT #27 WHILE STILL PROVIDING MINIMUM SEPARATION
DISTANCE FROM STORM STRUCTURE. FOR LOT # 20 EVALUATE
LOCATING CLOSER TO A HIGH POINT IN THE WATERLINE.
37. CLEARLY MOVE ALL LATERALS OUTSIDE THE LIMITS OF
PROPOSED DRIVEWAYS FOR ALL LOTS INCLUDING LOT #10 AND 12.
38. UPDATE SIMULTANEOUS FLOW TEST INFORMATION RESULTS ON
WATER FLOW INFORMATION AS PER DES-5 ON WATER MODEL & FLOW
CALCULATION SHEET TO REFLECT PIPES SIZES PROPOSED.
39. PROVIDE GENERAL TIMEFRAME FOR WHEN SECOND SUPPLY POINT
FOR WATER WILL BE PROVIDED.
40. VERIFY PIPES ARE SIZED FOR THE PROPOSED USE AND
LOCATION. COORDINATE AGREEMENT FOR WATERLINE SIZES BETWEEN
THIS SET OF PLANS AND THE PROPOSED TENTATIVE ALONG THE
PREVIOUSLY PROPOSED 12" WATERLINE.
41. PROVIDE WATER AND SEWER EASEMENTS AS SHOWN ON
TENTATIVE PLAN FOR SUBDIVISION.
42. EXTEND WATERLINE STUBS AT END OF LINES ALONG SCRANTON
DR. A FULL LENGTH OF PIPE TO MINIMIZE WATER SERVICE OUTAGE
WHEN THE LINE IS EXTENDED IN THE FUTURE.
43. PROVIDE THRUST PROTECTION AT ALL BENDS, TRANSITIONS,
AND END OF LINES INCLUDING FREEBRIDGE RD. CALCULATE AND
LABEL LENGTH OF ALL RESTRAINT JOINT PIPE SYSTEMS. CLEARLY
SHOW AND LABEL ON PROFILE SHEETS. PROVIDE NOTE INDICATING
ALL FITTINGS ARE TO BE RESTRAINED.
44. PROVIDE A WATER SAMPLING STATION NEAR THE INTERSECTION
OF TREGEARE RD. AND SCRANTON DRIVE WITHIN THE OPEN SPACE
AREA.
45. REVISE NOTE # 2 ON UTILITIES PLAN SHEET TO ADD "OR THE
RIGHT-OF-WAY LINE, WHICHEVER IS GREATER." AND TO ALSO
INCLUDE SEWER LATERALS.
46. DARKEN LABEL TO VALVE TO BE USED FOR CUT-OFF DURING
TIE-IN. CALCULATE AND LABEL DISTANCE FROM EXISTING VALVE TO
PROPOSED CONNECTION ON UTILITIES PLAN SHEET.
47. ADD A NOTE STATING PARSONS PMI3DE MANHOLE INSERT W/
VALVE, GASKET, AND STRAP OR APPROVED EQUAL ARE THE REQUIRED
INSERTS.
48. 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 THOSE TWO
ITEMS TO THE ATTENTION OF LINNETTE VASQUEZ
(VASQUEZL@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.
49. 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 THE ONE APPROVED SET FROM PLANNING (4 TOTAL
SETS).
REVIEW DEPARTMENT: CHESTERFIELD TRANSPORTATION DEPARTMENT
REVIEWER/PHONE#: STEVEN E. SIMONSON, P.E. (804)748-1037
NAME OF PLAN: HARPER'S MILL SE, SEC 2
CASE NUMBER: 17CP0011
LATEST PLAN DATE: 06/21/2016
DEPT. REC'D. DATE: 07/29/2016
SUBMITTAL NUMBER: ONE
REVIEW DATE: 08/24/2016
RECOMMENDATION: APPROVED - WITH COMMENT
TABLE REVIEW: YES
NOTE: THE PHASING PLAN FOR HARPER'S MILL, DATED JUNE 25,
2015 REQUIRES THE EXTENSION OF HARPER'S MILL PARKWAY FROM
DEELEY LANE TO THIRSK LANE, AND A BOND FOR THE EXTENSION OF
THE PARKWAY TO THE EASTERN PROPERTY LINE, PRIOR TO THE
RECORDATION OF MORE THAN 50 LOTS SOUTH OF HARPER'S MILL
PARKWAY AND EAST OF VERNEHAM DRIVE.
REVIEW DEPARTMENT : PLANNING
REVIEWER / PHONE # : WHIT KIRTLEY / 706-7691
PLAN NAME : HM SOUTHEAST SECTION 2
PLAN NUMBER : 17CP0011
ORIGINAL PLAN DATE : 6/21/16
REVIEW DATE : 8/30/16
LATEST SUBMISSION DATE : 6/24/16
ACCEPTED FOR REVIEW: 7/27/16
SUBMITTAL NUMBER : 1
STATUS : CORRECTIONS REQUIRED
TABLE REVIEW : N
1. INCLUDE CONSTRUCTION PLAN NUMBER 17CP0011 IN THE LOWER
RIGHT CORNER
2. IT APPERS THAT A EXTRA SHEET WAS INCLUDED BETWEEN SHEETS
2.1 AND 2.2.
3. REVISE THE BUFFER ALONG BEACH ROAD TO 50 FEET.
4. LABEL THE PEDESTRIAN PATH ON ALL APPLICABLE SHEETS. PROVI
A DETAIL FOR TH PATH INCLUDING MATERIALS
5. ADD BUILDING LINES FOR LOTS 29-32
6. PROVIDE THE WIDTH OF THE SIDEALK ALONG VERNHAM DRIVE.
REVIEW DEPARTMENT: FIRE AND LIFE SAFETY
REVIEWER / PHONE#: KIM LESTER / 748-1489
PLAN NAME: HARPERS MILL SOUTHEAST, SEC. 2
PLAN NUMBER: 17CP0011
LATEST REVISION DATE: 6/21/16
REVIEW DATE: 8/8/16
LATEST SUBMISSION DATE: 8/1/16
SUBMITTAL NUMBER: 1ST REVIEW
STATUS: NOT APPROVED
TABLE REVIEW: NO
RELOCATE THE HYDRANT AT LOT 20 TO THE INTERSECTION
OF MILLWRIGHT ROAD AND VERNEHAM DRIVE.
RELOCATE THE HYDRANT AT LOT 15 TO THE INTERSECTION OF
MILLWRIGHT ROAD AND TREGEARE ROAD.
RELOCATE THE HYDRANT AT LOT 28 TO THE PROPERTY LINE OF
LOTS 27 AND 28 ON TREGEARE ROAD.
RELOCATE THE HYDRANT AT LOT 44 AND 45 TO THE PROPERTY
LINE OF LOT 45 AND 46 ON SCRANTON DRIVE.
ON SHEET C8.0 THE ROAD NAME THAT IS REFERENCE IS CHANOCK
ROAD AND ON ALL OF THE OTHER SHEETS THE ROAD NAME IF
REFERENCE MILLWRIGHT ROAD. PLEASE CORRECT TO MAKE THE
ROAD NAME CONSISTENT ON ALL PAGES.
PLACE A NOTE ON THE PLANS THAT STATE "NO BUILDING PERMITS
WILL BE RELEASED FOR LOTS 1 THRU 4 AND LOTS 44 THRU 47 ON
SCRANTON DRIVE UNTIL THE TEMPORARY CUL-DE-SAC IS BUILT OR
THE EXTENSION OF THE ROAD IS BUILT WHICHEVER COMES FIRST."
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
============================================================
============================================================
REVIEW DEPARTMENT : ENVIRONMENTAL ENGINEERING
REVIEWER/PHONE # : ADAM MARSHALL, P.E. (717-6711)
NAME OF PLAN : HARPERS MILL SOUTHEAST PHASE - SECTION 2
SITE PLAN NO. : 17CP0011
LATEST PLAN DATE : 06/21/16
DEPT. REC'D DATE : 07/27/16
SUBMITTAL NUMBER : 1
REVIEW DATE : 08/23/16
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 CONSTRUCTION PLANS
APPROVED.
002. THE RESPONSIBILITY FOR ACHIEVING AND MAINTAINING
SATISFACTORY LOT DRAINAGE WILL BE THAT OF THE DEVELOPER
UP THROUGH A PERIOD OF ONE YEAR AFTER STATE ACCEPTANCE
OF THE SUBDIVISION ROADS.
-------- EROSION CONTROL --------
001. PRIOR TO A LAND DISTURBANCE PERMIT ISSUANCE:
A) CONSTRUCTION PLANS RECEIVE FINAL PLANNING DEPARTMENT
APPROVAL.
B) THE ENVIRONMENTAL ENGINEERING DEPARTMENT SHALL
REQUIRE COPIES OF APPLICABLE CORRESPONDENCE FROM THE
U.S. ARMY CORPS OF ENGINEERS AND DEPARTMENT OF
ENVIRONMENTAL QUALITY SUCH THAT IT MAY BE DETERMINED
THAT ANY REQUIRED WETLANDS PERMITS HAVE BEEN
RECEIVED.
C) A COPY OF THE 2014 VSMP REGISTRATION MUST BE
RECEIVED BY ENVIRONMENTAL ENGINEERING.
D) AN EROSION CONTROL BOND MUST BE POSTED AND APPROVED.
E) COPIES OF THE ACTUAL VDOT LAND USE PERMIT(S) FOR THE
TIE-IN TO OTTERDALE ROAD (IF IN THE STATE
SYSTEM AT THE TIME OF LDP APPLICATION) MUST BE
PROVIDED TO ENVIRONMENTAL ENGINEERING.
F) FLAGGING AND/OR SAFETY FENCE AROUND USACOE
JURISDICTIONAL WETLANDS AND/OR OTHER ENVIRONMENTALLY
SENSITIVE AREAS MUST BE INSTALLED AND CLEARLY
VISIBLE.
G) DB/PG FOR ANY OFFSITE EASEMENTS MUST BE PROVIDED TO
ENVIRONMENTAL ENGINEERING.
H) PRIOR TO ISSUANCE OF A LAND DISTURBANCE PERMIT, A
COPY OF THE AUTOCAD FILE MUST BE SUBMITTED TO
CAROLE CLIBORNE OF ENVIRONMENTAL ENGINEERING. THE
AUTOCAD FILE 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 AUTOCAD
FILE MAY BE SUBMITTED ON A CD, DVD, OR VIA EMAIL
AND MUST BE CLEARLY LABELED WITH THE SUBDIVISION
NAME AND SECTION, SUBDIVISION PLAN NUMBER, THE
ENGINEERING FIRM AND THE CAD FILE PREPARER'S NAME
AND PHONE NUMBER. THE FILE MUST CONTAIN THE
FOLLOWING, EACH CLEARLY LABELED IN SEPARATE LAYERS:
1. EDGES OF ROADS TO INCLUDE CURB AND GUTTER; AND,
2. EDGES OF SIDEWALKS.
I) PROVIDE A COPY OF THE SWPPP BOOKLET (THREE-RING
BINDER) TO ENVIRONMENTAL ENGINEERING.
002. PROVIDE AN EC BOND ESTIMATE FOR REVIEW.
003. DARKEN SLIGHTLY ALL LINEWORK/TEXT WHICH IS NEARLY
ILLEGIBLE (E.G. EXISTING CONTOURS, CONSERVATION
EASEMENT LIMITS, EXISTING EASEMENT LABELS, ETC.) ON ALL
EC PLAN SHEETS.
004. PROVIDE A DETAILED NARRATIVE IN THE PHASE I PLANS FOR
THE CROSSING OF THE EXISTING STREAM AND INSTALLATION
OF STORM STRUCTURES 9, 9A, P9A, 13, 13A, AND P13A,
SPECIFYING THAT FAVORABLE WEATHER MUST BE FORECAST
PRIOR TO BEGINNING INSTALLATION, PIPE/MATERIALS MUST BE
STOCKPILED ONSITE PRIOR TO BEGINNING INSTALLATION, AND
PROCEDURES FOR CONSTRUCTION OF DIVERSIONS AND/OR COFFER
DAMS, INSTALLATION OF PUMPS, ETC. SHOW THE FILL
GRADING NECESSARY TO COMPLETE THE CROSSING IN PLAN
VIEW, WITH FILL DIVERSIONS SPECIFIED AT THE TOP OF FILL
TO DRAIN INTO THE ADJACENT SEDIMENT TRAPS. AN ENLARGED
INSET OF THIS AREA WOULD BE HELPFUL.
005. LABEL THE STORM STRUCTURES TO BE INSTALLED IN PHASE I
ON THE PHASE I EC PLANS.
006. SPECIFY SSFOO TO BE INSTALLED IN PHASE I ALONG THE TOES
OF FILL ON BOTH SIDES OF TREGEARE ROAD, APPROX. STA.
16+00 TO 16+75, WITHOUT CROSSING THE PIPE ENDS IN THIS
AREA.
007. SPECIFY DD TO BE INSTALLED DURING EC PHASE I, STARTING
ALONG THE DOWNSTREAM SIDE OF TREGEARE ROAD AT APPROX.
STA. 11+75, AND EXTENDING ALONG THE DOWNSTREAM SIDE OF
SCRANTON DRIVE TO APPROX. STA. 15+00.
008. ADJUST THE DRAINAGE AREA TO ST1 TO REFLECT THE DD NOTED
ABOVE, AN EXTEND THE UPSTREAM LIMITS TO REACH THE HIGH
POINT TO THE REAR OF LOTS 4/5.
009. REVISE THE DRAINAGE AREA TO ST5 TO MORE ACCURATELY
REFLECT THE TOPOGRAPHY IN THE VICINITY OF LOT 39.
010. REVISE THE DRAINAGE AREA TO ST2 TO FOLLOW THE
TOPOGRAPHY, EXTENDING ACROSS THE FUTURE VERNEHAM DRIVE
R/W SINCE THIS PORTION WILL NOT YET BE CONSTRUCTED.
011. SPECIFY AN ADDITIONAL SEDIMENT TRAP TO BE INSTALLED
DURING PHASE I DOWNSTREAM OF THE TEMPORARY TURNAROUND,
AND DD ALONG THE DOWNSTREAM SIDE OF SCRANTON DRIVE FROM
APPROX. STA. 17+00, DRAINING TO THIS SEDIMENT TRAP.
012. RELOCATE THE STOCKPILES IN THE VICINITY OF ST1, ST2,
AND ST8 SUCH THAT THEY DRAIN INTO THE RESPECTIVE TRAPS.
013. ADJUST THE PHASE I CLEARING LIMITS TO REFLECT THE ABOVE
MEASURES, AS WELL AS TO INCLUDE THE SSFOO ALONG LOT 37
014. REVERSE THE TREELINE LINETYPE ALONG THE EXISTING DIRT
ROAD.
015. SPECIFY RIGHT-OF-WAY DIVERSIONS (RWD) AND SLOPE DRAINS
(TSDS) TO BE INSTALLED DURING EC PHASE II AT TREGEARE
ROAD STA. 16+00 AND 16+75, AND BLOCK STRUCTURES 8 AND
14 TO ALLOW THE MAJORITY OF THE ROAD TEMPLATE IN THIS
AREA TO DRAIN INTO THE FOUR ADJACENT SEDIMENT TRAPS, AS
APPROPRIATE, AND ADJUST THE ST DRAINAGE AREAS
ACCORDINGLY.
016. SPECIFY IN THE EC PHASE II PLANS THAT THE SEDIMENT TRAP
IN THE VICINITY OF THE TURNAROUND SHALL BE CONVERTED
INTO AN ENERGY DISSIPATER PIT ONCE THE SITE IS
STABILIZED.
017. IT IS UNCLEAR WHETHER THE BIKE/PEDESTRIAN TRAIL IS TO
BE CONSTRUCTED WITH THIS SECTION, OR IF IT IS FUTURE
CONSTRUCTION. IF PART OF THIS SECTION, DETAILS FOR THE
CONSTRUCTION NEED TO BE INCLUDED IN THE PLAN AND
NARRATIVE, WITH EC MEASURES SPECIFIED ACCORDINGLY.
018. REVISE THE 'ADJACENT AREA' SECTION OF THE EC NARRATIVE
ON SHEET C2.7 TO MORE ACCURATELY REFLECT THIS SPECIFIC
SECTION LOCATION.
019. ADD SSF TO THE 'EROSION AND SEDIMENT CONTROL MEASURES'
SECTION OF THE NARRATIVE ON SHEET C2.7.
020. REVISE THE 'STORMWATER MANAGEMENT' SECTION OF THE EC
NARRATIVE ON SHEET C2.7, TO REMOVE REFERENCE TO
STORMWATER MANAGEMENT BEING ADDRESSED BY THE OVERALL
CBPA PLAN, AND INSTEAD REFERENCE PORTIONS OF THE SITE
DISCHARGING DIRECTLY INTO ESTABLISHED 100-YEAR
FLOODPLAIN. STORMWATER MANAGEMENT FOR THE REMAINING
PORTIONS OF THE SITE WILL REQUIRE FURTHER DISCUSSION.
021. IT APPEARS PER THE TABLE ON SHEET C2.8 THAT THE
REQUIRED DRY STORAGE OF 229.5 CY HAS NOT BEEN ACHIEVED.
PLEASE ADDRESS.
022. RELOCATE MS-19 SECTION 24 SUCH THAT IT FALLS DOWNSTREAM
OF THE DISSIPATER PIT.
023. IT APPEARS THAT THE INFORMATION FOR MS-19 SECTIONS 23A
AND 23B SHOULD BE SWITCHED IN THE MS-19 TABLE. PLEASE
ADDRESS.
024. IN THE MS-19 HYDROLOGIC CALCULATIONS, UTILIZE THE SAME
RUNOFF COEFFICIENTS, ETC. THAT CORRELATE WITH THE OTHER
MS-19 AND STORM SEWER COMPUTATIONS, AND PROVIDE
BREAKDOWNS FOR THE TIME OF CONCENTRATION
DETERMINATIONS.
025. ON SHEET C8.1, REVISE CHIANOCK ROAD TO "MILLWRIGHT
ROAD".
026. SPECIFY OPTIC ORANGE SSF IN LIEU OF SF ALONG THE TOES
OF FILL FOR VERNEHAM DRIVE ON SHEET C8.1.
027. REVISE #7 OF THE PHASE 1 SEQUENCE OF CONSTRUCTION ON
SHEET C8.1 TO READ "INSTALL PERIMETER DIVERSIONS AND
SUPER SILT FENCE AS SHOWN ON THIS SHEET".
028. PROVIDE A DETAILED NARRATIVE ON SHEET C8.1 FOR
THE CROSSING OF THE EXISTING STREAM AND INSTALLATION
OF STORM STRUCTURES 7-00 THROUGH 7-06, TO INCLUDE,
SPECIFYING THAT FAVORABLE WEATHER MUST BE FORECAST
PRIOR TO BEGINNING INSTALLATION, PIPE/MATERIALS MUST BE
STOCKPILED ONSITE PRIOR TO BEGINNING INSTALLATION, AND
PROCEDURES FOR CONSTRUCTION OF DIVERSIONS AND/OR COFFER
DAMS, INSTALLATION OF PUMPS, ETC.
029. SHOW BEACH ROAD ON SHEET C8.1.
030. ADJUST THE DRAINAGE AREA AND HYDROLOGIC CALCULATIONS
(TC AND C VALUES) FOR MS-19 SECTION 2-2 TO CORRESPOND
WITH THOSE USED IN THE OTHER MS-19 AND STORM SEWER/FP
CALCULATIONS. FURTHER DISCUSSION MAY BE HELPFUL.
031. RELOCATE MS-19 SECTION 2-2 SUCH THAT IT IS TAKEN
IMMEDIATELY DOWNSTREAM OF STRUCTURE 7-06.
032. REVISE THE VERNEHAM DRIVE EC NARRATIVE TO INCLUDE ALL
11 REQUIRED SECTIONS.
033. IT APPEARS THAT THE 3.24 ACRES NOTED TO BE DISTURBED
PER THE EC NARRATIVE ON SHEET C8.1 EXCEEDS WHAT WILL
ACTUALLY BE DISTURBED. PLEASE ADDRESS.
034. REMOVE STEP #11 OF THE PHASE 1 SEQUENCE OF CONSTRUCTION
ON SHEET C8.1.
035. REVISE STEP #3 OF THE PHASE 2 SEQUENCE OF CONSTRUCTION
TO READ "CLEAR TO LIMITS OF DISTURBANCE SPECIFIED ON
THIS SHEET AND BEGIN ROAD GRADING OPERATIONS."
036. IT IS THE RESPONSIBILITY OF THE APPLICANT TO COMPLY
WITH AND/OR ACQUIRE ALL APPLICABLE FEDERAL AND/OR STATE
PERMITS IN RELATION TO ENVIRONMENTAL FEATURES
INCLUDING, BUT NOT LIMITED TO, WETLANDS, SURFACE WATER,
GROUND WATER, AND AIR QUALITY. FINAL APPROVAL OF THESE
PLANS WILL NOT RELIEVE YOU OF YOUR RESPONSIBILITIES.
-------------- CBPA ---------------
001. AS PER THE APPROVED HARPERS MILL OVERALL MASTER BMP
PLAN, BMP #3 (AS PER THE OVERALL PLAN) MUST BE
CONSTRUCTED WITH THIS OR THE NEXT SUBDIVISION SECTION.
FURTHER DISCUSSION MAY BE NECESSARY.
002. UPDATE THE CBPA PLAN SHEET TO INCLUDE ALL HARPERS MILL
SECTIONS SUBMITTED TO DATE (E.G. SOUTH PHASE SEC. 2,
SOUTHEAST SEC. 3), AND THE UPDATED/APPROVED IMPERVIOUS
AND SECTION AREAS. FURTHER DISCUSSION MAY BE
NECESSARY.
003. FIX THE APPLICABLE AREA FOR OVERALL CBPA PLAN IN THE
BOTTOM LEFT OF THE CBPA SHEET TO READ "1024.078 AC".
004. FIX THE LOT NUMBERS ON THE CBPA SHEET.
005. SHOW THE RECREATION CENTER ON THE CBPA SHEET.
006. REVISE STEP 2 OF THE WORKSHEET A CALCULATIONS TO
REFLECT AN FPOST OF 0.53 FOR THE 28.85-ACRE LOT/OPEN
SPACE AREA, AND TO REFLECT AN I% OF 75% AND FPOST OF
1.69 FOR VERNEHAM DRIVE. THE RESULTING TOTAL LPOST FOR
THE SITE SHOULD BE 15.97 LBS/YR, AND REMOVAL
REQUIREMENT (TO MEET 0.45 DEFAULT) SHOULD BE 2.81
LBS/YR. UPDATE THE CBPA/MS-4 TABLE ON THE CBPA SHEET
ACCORDINGLY.
007. INCLUDE ALL SIX OF THE NOTES FROM THE APPROVED HARPERS
MILL OVERALL MASTER BMP PLAN ON THE CBPA SHEET.
FURTHER DISCUSSION MAY BE NECESSARY.
008. REVISE THE LAST SENTENCE OF GENERAL NOTE #7 ON THE
COVER SHEET - 3.30 AC IN LIEU OF 2.47.
-------- ROAD AND DRAINAGE --------
001. OUR CONCERNS ARE BASED ON THE INFORMATION SHOWN IN THE
CONSTRUCTION PLANS. THE RESPONSIBILITY FOR IDENTIFYING
CRITICAL AREAS IS PLACED ON THE PROFESSIONAL ENGINEER
WHO SEALS THE CONSTRUCTION PLANS APPROVED. WE RESERVE
THE RIGHT TO INSPECT CONVEYANCE SYSTEMS PRIOR TO PLAT
RECORDATION AND/OR STATE ACCEPTANCE TO DETERMINE IF
ADDITIONAL IMPROVEMENTS ARE REQUIRED.
002. REVISE THE PROJECT TITLE TO READ "SOUTHEAST - SECTION 2
& VERNEHAM DRIVE".
003. IT APPEARS THAT THE 10-YEAR VSMP FLOODING CRITERIA
HAVE NOT BEEN MET FOR THE PORTIONS OF THE SITE THAT
HAVE NOT BEEN SPECIFIED TO DISCHARGE TO THE ESTABLISHED
OR EXISTING 100-YEAR FLOODPLAIN. PLEASE ADDRESS.
PLEASE BE ADVISED THAT SWM BASIN FACILITIES WHICH ARE
NOT CURRENTLY REPRESENTED ON THE APPROVED TENTATIVE
PLAN FOR HARPERS MILL SOUTHEAST PHASE MAY REQUIRE MAJOR
TENTATIVE REVISIONS, WHICH MAY BE SUBJECT TO PUBLIC
COMMENT.
004. REVISE THE RECEIVING WATER BODY NOTE ON THE COVER SHEET
TO READ "DRY CREEK".
005. REVISE THE FEMA PANEL REFERENCE ON THE COVER SHEET TO
READ "51041C0280D".
006. SHOW AND LABEL ALL EXISTING/PROPOSED HARPERS MILL
SUBDIVISION SECTION ON SHEET C1.1.
007. IT IS UNCLEAR WHETHER IT IS INTENDED FOR THE
BIKE/PEDESTRIAN TRAIL TO BE CONSTRUCTED WITH THIS
SECTION. PLEASE CLARIFY, PROVIDING EASEMENTS AS
NEEDED, AND DETAILS FOR THE TRAIL CONSTRUCTION AND ANY
BRIDGES, ETC. NECESSARY FOR THE AREAS WHERE THE TRAIL
MAY CROSS WETLAND OR OTHER DRAINAGEWAYS (ELEVATE
FOOTBRIDGES ABOVE 100YR).
008. LABEL THE BIKE/PEDESTRIAN TRAIL ON SHEET C3.0.
009. OUTLINE OR OTHERWISE HATCH THE PORTION OF VERNEHAM
DRIVE WHICH HAS BEEN DESIGNED BY TIMMONS AND SHOWN ON
SHEET C8.0.
010. CLEARLY SHOW AND LABEL ALL EXISTING EASEMENTS (INCL.
DB/PG) ALONG OTTERDALE ROAD ON ALL PLAN SHEETS.
011. DARKEN OR OTHERWISE SHOW MORE CLEARLY THE VERNEHAM
DRIVE ROAD AND STORM SEWER IMPROVEMENTS AND REQUISITE
EASEMENTS, AS WELL AS THE EXISTING DIRT ROAD,
CONSERVATION EASEMENT LIMITS, EXISTING EASEMENTS ALONG
OTTERDALE ROAD, AND ANY OTHER LINEWORK THAT IS
DIFFICULT TO READ, ON ALL PLAN SHEETS.
012. PROVIDE FLOW ARROWS FOR ALL CURB & GUTTER AND NATURAL
DRAINAGEWAYS ON SHEETS C3.0-C3.2.
013. SPECIFY VARIABLE-WIDTH SLOPE & DRAINAGE EASEMENTS FOR
VDOT MAINTENANCE ENCLOSING THE FILL SLOPES FOR TREGEARE
ROAD WHERE IT CROSSES THE WETLAND DRAINAGEWAY AND
RIPRAP AT THE ENDS OF STRUCTURES 9A AND 13A.
014. LABEL THE EASEMENT IN THE OPEN SPACE TO THE EAST OF LOT
14 ON SHEETS C3.0 AND C3.3.
015. DISTINGUISH THE 100-YEAR FLOODPLAIN LIMITS FROM THE
100-YEAR BACKWATER LIMITS IN ALL AREAS.
016. REVISE THE LIMITS OF THE 100-YEAR FLOODPLAIN TO THE
REAR OF LOTS 20/21 SUCH THAT A PORTION REACHES THE
EXISTING DI-7 TO THE EAST OF OTTERDALE ROAD.
017. PROVIDE STATIONING IN PLAN VIEW FOR THE LOT 17-19
DITCH, AND ALL STORM SEWER RUNS THAT ARE NOT WITHIN THE
R/W.
018. REMOVE THE MFF(FP) NOTATION FROM LOTS 21-22, 31-35, AND
42-46 AS THE FLOODPLAIN LIMITS DO NOT FALL WITHIN THESE
LOTS.
019. REVISE THE MFF NOTATION ON LOT 20 TO READ
"MFF(SAG)=261.00'".
020. REVISE THE MFF NOTATION ON LOTS 36 AND 37 TO READ
"MFF(SAG)=270.36'".
021. REMOVE THE "CO. PROJECT" NOTATION FROM THE 100-YEAR
BACKWATER LABEL IN THE VICINITY OF LOT 20 ON SHEET
C3.0.
022. RELOCATE STRUCTURES 1, 4B, 12, AND 23 SUCH THAT THEY
OUTFALL MORE DIRECTLY TO THE WETLAND/WOUS, AND ENSURE
THAT THE 16' DRAINAGE EASEMENTS DO NOT OVERLAP THE
CONSERVATION EASEMENT. ALSO ENSURE THAT THESE
STRUCTURES OUTFALL WITHIN THE 100-YEAR FLOODPLAIN.
023. RELOCATE THE LOT 17-19 DITCH AND 16' EASEMENT SUCH THAT
THEY ARE LOCATED ENTIRELY IN THE OPEN SPACE TO THE REAR
OF THESE LOTS.
024. SPECIFY A 6" SLOT OPENING WITH 2' CONCRETE GUTTER IN
THE REAR OF STRUCTURE 5, AND ALIGN THE LOT 17 SWALE TO
TIE INTO THIS SLOT OPENING.
025. REVISE THE CROSS-SECTION FOR THE LOT 17-19 DITCH TO
REFLECT 3:1 SIDESLOPES INSTEAD OF 5:1, AND THE SPECIFIC
DESIGN DEPTH(S) IN LIEU OF "VARIES".
026. SPECIFY ADDITIONAL 5:1 GRASS SIDEYARD SWALES ON THE
UPSTREAM SIDES OF LOTS 5 AND 42, AND CENTERED IN THE
EASEMENT ENCLOSING STRUCTURE P12.
027. SPECIFY "NBP" NOTATION ON LOTS 3-7 AND 42.
028. LABEL STRUCTURE P10A ON SHEET C3.1.
029. IN LIEU OF "REAR SLOT IN BACK..." OF STRUCTURES 3A ON
SHEET C3.0, SPECIFY "SLOT OPENING ON SE SIDE...".
030. LABEL THE ADJACENT PROPERTY INFORMATION ON SHEET C3.1.
031. IT APPEARS THAT IT MAY BE POSSIBLE TO ELIMINATE
STRUCTURES 4B AND P4B, BY CONNECTING THE UPSTREAM LEG
OF STORM SEWER TO OUTFALL VIA STRUCTURE 1 INSTEAD,
PROVIDED THAT THE PIPE SIZE TO THE DI-7 DOES NOT EXCEED
27" IN DIAMETER. PLEASE ADDRESS.
032. SPECIFY ST-1 STEPS IN THE STORM SEWER DESCRIPTION FOR
ALL MOD. DI-7 STRUCTURES.
033. IT APPEARS, BASED ON THE HGL CALCS, THAT THE MORE
RESTRICTIVE 100-YEAR BACKWATER AT STRUCTURE 13A SHOULD
BE 269.79. HOWEVER, THIS OVERTOPS TREGEARE ROAD, WHICH
IS A SINGLE-POINT ACCESS, WHICH IS NOT ALLOWABLE.
PLEASE ADDRESS, ENSURING THE BACKWATER LIMITS ARE
REVISED ACCORDINGLY.
034. REVISE NOTE #3 ON SHEETS C3.0-C3.2 TO REFLECT ONLY LOTS
20, 36 AND 37.
035. IT APPEARS THAT THE 100-YEAR FLOOD LIMITS DO NOT FOLLOW
THE WOUS IN THE VICINITY OF LOTS 35 AND 47. PLEASE
ADDRESS.
036. PROVIDE INFORMATION FOR STRUCTURE 9A IN THE STORM SEWER
DESCRIPTION ON SHEET C3.1.
037. SHOW AND LABEL A VARIABLE-WIDTH DRAINAGE EASEMENT FOR
VDOT MAINTENANCE IN THE FRONT OF LOTS 4 AND 5, TO SERVE
STRUCTURE P20.
038. REVISE THE LABEL FOR THE EASEMENT IN THE VICINITY OF
LOT 45 TO READ "VAR. WIDTH SLOPE ESM'T...".
039. EXTEND THE SCRANTON DRIVE R/W TO RUN THROUGH TO THE END
OF THE TEMPORARY TURNAROUND, AND SPECIFY VARIABLE-WIDTH
TEMPORARY TURNAROUND EASEMENTS ENCLOSING ONLY THE
PORTIONS OF THE TURNAROUND AND NECESSARY GRADING WHICH
FALL OUTSIDE THE R/W.
040. RELOCATE THE TEMPORARY DISSIPATER PIT TO THE DOWNSTREAM
SIDE OF THE TURNAROUND (SEDIMENT TRAP LOCATION), AND
ENCLOSE WITHIN A VARIABLE-WIDTH TEMPORARY DRAINAGE
EASEMENT.
041. EXTEND THE 100-YEAR FLOODPLAIN UPSTREAM ALONG THE
WETLAND DRAINAGEWAYS WHICH REACH THE ADJACENT 9700 DRY
CREEK LLC PROPERTY, IN THREE LOCATIONS: TO THE REAR OF
LOTS 34/35, AND BEHIND LOTS 44/45. FURTHER DISCUSSION
MAY BE NECESSARY.
042. PROVIDE SPOT ELEVATIONS AND FLOW ARROWS ON THE VERNEHAM
DRIVE AND MILLWRIGHT ROAD INTERSECTION INSET ON SHEET
C3.4.
043. IT APPEARS THAT THE TOP AND INVERT ELEVATIONS FOR
SEVERAL OF THE STORM STRUCTURES (E.G. 5, 9, 10, 10A,
11, 13, AND ASSOCIATED PIPES) ARE NOT CONSISTENT
BETWEEN THE STORM SEWER DESCRIPTION, PROFILES, AND
CALCULATIONS. PLEASE ADDRESS.
044. LABEL STRUCTURES 2, 4A, 15, AND 17 ON THE MILLWRIGHT
ROAD PROFILE ON SHEET C4.0.
045. ADJUST THE LOCATION OF STRUCTURES 2 AND 3 SUCH THAT
THEY FALL AT THE LOW POINT OF MILLWRIGHT ROAD.
046. LABEL STRUCTURE 22 ON THE SCRANTON DRIVE PROFILE ON
SHEET C4.1.
047. ADJUST THE LOCATION OF THE DISSIPATER PIT AT THE END OF
SCRANTON DRIVE SUCH THAT IT DAYLIGHTS TO EXISTING
GROUND AT 0% GRADE.
048. LABEL STRUCTURES 11 AND 13 ON THE TREGEARE ROAD PROFILE
ON SHEET C4.2.
049. SHOW AND LABEL THE LIMITS OF THE CONSERVATION EASEMENT
ON THE STR 3A TO 1 PROFILE ON SHEET C4.3.
050. ADJUST THE LIMITS OF THE CONSERVATION EASEMENTS ON
EITHER SIDE OF TREGEARE ROAD ON THE CULVERT PROFILE
SUCH THAT THE RIPRAP DOES NOT FALL WITHIN THE
CONSERVATION EASEMENTS.
051. SPECIFY CROSS-SECTIONS (TO INCLUDE DESIGN DEPTH) FOR
ALL DITCH PROFILES ON SHEET C4.4.
052. REVISE THE GRADE FOR THE LOT 32 SWALE TO MEET A MINIMUM
1.0%.
053. DARKEN THE EXISTING CONTOURS AND CONTOUR LABELS ON ALL
DRAINAGE AREA PLAN SHEETS, INCLUDING MS-19 AND
FLOODPLAIN.
054. LABEL SHEETS C5.0-C5.2 "GRADING PLAN AND DRAINAGE
AREAS".
055. DARKEN THE PROPOSED CONTOURS ON SHEET C5.0-C5.2.
056. PROVIDE FULL 1' TOPOGRAPHIC CONTOUR INTERVALS ACROSS
THE SITE. THE CURRENT COMBINATION OF 2' AND 5'
INTERVALS IN ONLY SPECIFIC AREAS OF THE SITE IS
SOMEWHAT CONFUSING. FURTHER DISCUSSION MAY BE HELPFUL.
057. PLEASE PROVIDE ADDITIONAL EXISTING CONTOUR LABELS ON
ALL DRAINAGE PLAN SHEETS.
058. DARKEN THE STORM STRUCTURES AND LABELS ON SHEETS C5.0
AND C5.1.
059. ADJUST THE DRAINAGE AREA LIMITS TO STRUCTURES 8 AND 13
TO MORE ACCURATELY REFLECT THE TOPOGRAPHY IN THE
VICINITY OF LOT 39.
060. REVISE THE DRAINAGE AREAS TO STRUCTURES 2 AND 3 TO
REFLECT THE CONSTRUCTION OF VERNEHAM DRIVE.
061. PROVIDE THE DI-7 GRATE DETAIL (TYPE 3) ON SHEET C6.3).
062. UPDATE THE SHEET NUMBERS FOR C5.2-C5.7.
063. RE-LABEL SHEET C5.5 "FLOODPLAIN DRAINAGE AREAS".
064. REMOVE THE EXTRANEOUS MS-19 SECTION LOCATIONS FROM
SHEET C5.5 AND C5.6.
065. REVISE THE DRAINAGE AREA TO FLOODPLAIN SECTION O-O ON
SHEET C55.5 TO REFLECT THE CONSTRUCTION OF VERNEHAM
DRIVE.
066. REVISE THE CROSS-SECTIONS FOR I-I AND J-J TO CORRECTLY
REFLECT THE ROAD AND/OR LOT 37 GRADING IN THIS AREA.
NOTE THAT THE 100-YEAR FLOOD ELEVATION FOR SECTION J-J
SHOULD NOT BE HIGHER THAN I-I, AND THE CULVERT
STRUCTURE 9A INVERT OUT IS AT 261.67'.
067. REVISE THE LABEL FOR MILLWRIGHT ROAD ON SHEET C8.0.
068. LABEL THE END OF CONSTRUCTION LIMITS (INCL. STATION)
FOR VERNEHAM DRIVE IN PLAN VIEW ON SHEET C8.1.
069. DARKEN THE DEPICTION OF THE STORM SEWER STRUCTURES AND
LABELS ON SHEET C8.0.
070. SHOW, LABEL, AND PROVIDE DB/PG FOR THE EXISTING
EASEMENTS ALONG OTTERDALE ROAD ON SHEET C8.0.
071. SHOW AND LABEL THE CONSERVATION EASEMENT ON SHEET C8.0.
072. SHOW THE TIE-IN TO EXISTING GRADE AT THE END OF
VERNEHAM DRIVE ON THE PROFILE ON SHEET C8.0.
073. ADJUST THE DRAINAGE AREA AND HYDROLOGIC CALCULATIONS
(TC AND C VALUES) FOR THE CULVERT STRUCTURE 7-06 TO
CORRESPOND WITH THOSE USED IN THE OTHER STORM SEWER
CALCULATIONS. IT APPEARS A MINIMUM C=0.4 SHOULD BE
USED FOR OFFSITE AREAS. FURTHER DISCUSSION MAY BE
HELPFUL.
074. PROVIDE A COPY OF THE HYDROLOGIC CALCULATIONS
(INCLUDING TIME OF CONCENTRATION BREAKDOWNS) USED IN
THE 100-YEAR FLOODPLAIN ANALYSES.
075. PRIOR TO CONSTRUCTION PLAN APPROVAL, THE ENVIRONMENTAL
ENGINEERING DEPARTMENT MUST RECEIVE COPIES OF THE
WRITTEN NOTIFICATION (INCLUDING RETURN RECEIPTS) OF THE
IMPENDING CONSTRUCTION, SENT CERTIFIED MAIL, RETURN
RECEIPT REQUESTED AND SIGNED BY THE FOLLOWING ADJACENT
PROPERTY OWNERS: N/F 9700 DRY CREEK ROAD LLC.
PLEASE ALSO INCLUDE A COPY OF THE 8 ½ X 11 PLAN SHEET
ATTACHED TO THE NOTIFICATION LETTER.
076. PLEASE BE REMINDED THAT CONSTRUCTION PLAN APPROVAL
CANNOT BE GRANTED UNTIL THE TECHNICAL CORRECTION TO THE
SOUTHEAST PHASE TENTATIVE WHICH ADDRESSES THE ROAD NAME
CHANGES HAS BEEN APPROVED.
077. 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 ----
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