HomeMy WebLinkAboutSUB200400261 Review Comments Road Plan and Comps. 2007-09-11 09/;;,;/2007 09:16 4349793759 VDOT PAGE 01/02
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Virginia Department of Transportation
Charlottesville Residency
701 VDOT Way
Charlottesville, VA 22911
Phone (434) 293-0011 FAX(434) 979-3759
Date: - 01 From
To : Phone:
FAX : V 7 .—4120 3.S FAX:
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Number of Pages 7-- (Including Cover Sheet)
If you have any trouble receiving this information, please call VDOT at (434) 293-0011.
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VIRGXNIA DEPARTMENT OF TRANSPORTATION
INTRA-DEPARTMENTAL MEMORANDUM
August 29,2007
MEMORANDUM TO: Mr.A.D.Sumpter
ATTENTION; Mr.C.T.Baber
FROM: Roger C.Riner
SUBJECT: CBR Tests&Pavement Design
Bella Vista Drive
Southwind Estates Subdivision
Albemarle County
In response to your memorandum dated 8-23-07,I have reviewed the four(4)CBR tests submitted for the
subject roadway and find that the tests appear to have been performed in a satisfactory manner.
On the basis of the 90 VPD shown as the roadway's design traffic in the engineer's transmittal letter,the plan
pavement design of 2"SM-9.5A over 6"of Aggregate Base Material,Type 1,Size 21.A is shown to be more than
adequate for the soil and traffic conditions. This design is the minimum acceptable design for the used of an
asphalt concrete surfaced roadway. I note that the plans accompanying the test data do not clearly show how
many lots are being served by the roadway and consequently I am unable to verify with certainty that the 90
VPD is the appropriated design traffic.
Let me know if further discussion is warranted.
41111111e,;e2
Roger C.Riner
Assistant District Materials Engineer
RECEIVED
SEP.,0 7 2007
RESIDENCY OFFICE
CHARLOTTESVILLE, VA
02/23/2005 14:59 4349793759 VDOT PAGE 01f05
Virginia Department ofTransportation
p ortatio n
Charlottesville Residency
701 VDOT Way
Charlottesville, VA 22911
Phone (434) 293-0011 FAX(434) 979-3759
Date: Z/z O5 From
To : / -►e Phone:
FAX : 97 a- 40 _ FAX: (434) 979-3759
SO 01/) /;..) S r» rn. 115
Se kr/ w— g1S •C7-1
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Number of Pages (Including Cover Sheet)
If you have any trouble receiving this information,please call VDOT at(434) 293-0011.
UZI„ed..'LCIEM 14:5y 4d4y rid evi VDU I 1-V-NU b1/IOb
Kesterson, Jimmy
From: Kesterson,Jimmy
Sent: Wednesday, February 23,2005 2:35 PM
To: Max Greene(E-mail)
Subject: Southwind Estates Subdivision
Max,
The above referenced plan dated 12-8-04 has been reviewed,the following are our comments.
1.The manhole connecting the two 48"pipe should be carefully examined to make certain there will be
enough remaining wall between the holes cut for the pipes. A minimum width of 12"must be maintained.
A 60"precast base unit may be required,
2.The intersection landing should be redesigned to provide a minimum of 2% slope, for 40'from the edge of
pavement along Route 20. 1 will fax a revised design indicating a profile that will accommodate this request.
3. The EC-3 should be labeled on the plan sheets indicating where Type A and B will be required. I will fax copies
of the plan sheets indicating where this should be shown. Class Al riprap may be required to stabilize the ditches
If the EC-3 does not accomplish the intended results.
Please have the plan revised and resubmit with a written description of the revisions.
Jim Kesterson
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SUB 2004 00261 Aerial Imagery copy 2002 Commonwealth of Virginia