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George Marshall - RE: Saintsbury Traffic Signal - (Northlake Cypress Waters)
From: <brad.moss@kimley-horn.com>
To: <gmarshall@coppelltx.gov>
Date: 9/21/2011 4:58 PM
Subject: RE: Saintsbury Traffic Signal - (Northlake Cypress Waters)
CC: <KGRIFFIN@coppelltx.gov>, <PBIRDSALL@coppelltx.gov>
Thanks George.
®
Bradley Moss, PE , LEED AP
(TX, OK, NC)
12700 Park Central Drive
Dallas, Texas 75251
Ph: 972-770-1300 Fax: 972-239-3820
brad.moss@kimley-horn.com
From: George Marshall [mailto:gmarshall@coppelltx.gov]
Sent: Wednesday, September 21, 2011 4:54 PM
To: Moss, Brad
Cc: Ken Griffin; Per Birdsall
Subject: RE: Saintsbury Traffic Signal - (Northlake Cypress Waters)
Brad,
Please see my response in blue.
Thank You, George
>>> <brad.moss@kimley-horn.com> 9/21/2011 12:36 AM >>>
George-
Please see below in red my questions regarding your comments for the Cypress Waters turn lane and signal
plans. - Thanks!
General
1 Location of Road does not conform to City of Coppell Thoroughfare Plan
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2 Add a space in Belt Line Road not Beltline
3 Verify correct street names throughout set of plans
Cover
4 Revise vicinity map to show accurate location of existing and proposed streets
Traffic Control
5 Belt Line Road must be open to 3 lanes of northbound traffic no later than330 pm each day
6 On a 45 mph street the City of Coppell requires the use of a flashing arrow board for each lane
reduction
7 Longitudinal buffer space on 45 mph road is 195
8 Show Dividend Drive on plan revise TTC if necessary
Removal Plan
9 Remove existing inlet
10 Label proposed existing utilities on plan
Intersection Improvement Plan
11 Field connect to existing storm sewer pipe
12 Show existing franchise utilities in area Possible conflict with new inlet location
13 Need one crosswalk across Belt Line Road. Provide ramps on both ends with landing. May need to
modify median nose to fit.
-Please explain the reasoning for a need for a crosswalk at this point of the development. We
are not installing sidewalks along the proposed City of Dallas roadway (Saintsbury) that intersects Belt
Line, and based on my discussion with Ken Griffin we are going to wait and install sidewalks along
Belt Line as the property/lot along Belt Line develops. Therefore no sidewalks will be in the area. The
ramps make sense for us to install during this phase. If City still requires a crosswalk, then please
clarify comment. Comment 13 states that one crosswalk is required, but on your marked up plans you
show a crosswalk on north and south side of median opening. If City still requires crosswalk and only
one is required, then we prefer to install crosswalk on north side. Please confirm.
Provide 1 pedestrian crossing Belt Line Road (stripe not absolutely necessary). We would prefer
crossing on south side of Saintsbury to allow SB LT turn movement at the same time. All of our
signals are push button activated ped crossings.
14 Revise puppy tracks to tie to first left lane and not outside lane
15 Add stop bar for southbound Belt Line Road
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16 Provide 5 Sidewalk from intersection to south property line (will tie to new gas station on corner of
Dividend Drive).
-Based on discussion with Ken Griffin, sidewalks are to be installed along Belt Line Road as the
abutting lots are developed, therefore we were not designing/installing the walk during this phase.
Portions of the walk will veer in and out of the City of Dallas due to the right turn lanes. Therefore
coordination b/w the City of Coppell and the City of Dallas will be needed in the future when the
sidewalk is to be installed. Note that we are not installing sidewalks along Saintsbury either during this
phase and will install them as the property develops. Please confirm.
Ok. As long as there will be sidewalk in the future along development's portion of Belt Line Road.
17 Dowel into existing lane
Traffic Signal General Notes
18 Contractor will need to provide signal poles round with transformer base
19 Traffic signs shall be 3M DG3 reflective sheeting or equal
20 Provide Opticom multimode with GPS IR
Traffic Signal Layout
21 Show existing fiber optic from pull boxes in median tie to cabinet splice
22 Show confirmation light wextension Transformer base and ILSN
23 Revise ILSN sign lettering.
-Are you just commenting on changing sign F to sign H? Please clarify. Sign H is correct ILSN
Street Name not Sign F (ped push Button)
Specs
-We are using City of Coppell boiler plate for Construction Specs, but a special spec for
Emergency Management Response System is referenced two times in your comments (pay item #I-16
and #I-35) within the opticom detection. Please provide this special spec. Ignore comment - City
uses Opticom multimode w/ IR & GPS.
-What color painted finish is wanted? City of Coppell gave us spec for Beige Brown (cure:
PRPL97006), seen on page 4-15 of Construction Specs. However, there was a question of whether
black was desired. Please confirm color.
City is changing specification to semigloss Black powder coat. See Quality Powder Coating in
Carrollton (Jim).
®
Bradley Moss, PE , LEED AP
(TX, OK, NC)
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12700 Park Central Drive
Dallas, Texas 75251
Ph: 972-770-1300 Fax: 972-239-3820
brad.moss@kimley-horn.com
From: George Marshall [mailto:gmarshall@coppelltx.gov]
Sent: Friday, September 16, 2011 3:58 PM
To: Moss, Brad
Cc: Ken Griffin
Subject: Saintsbury Traffic Signal - (Northlake Cypress Waters)
Mr. Moss,
We have completed our review of the proposed traffic signal at Belt Line Road & Saintsbury. The plans
& specifications are ready for pickup at our office. I have included our comment letter attached to this email
however note that there may be additional comments on the plans & specifications.
Thank You, George
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