TR0801-BD100402ADDENDUMNO: ONE Page 1 ISSUE DATE: Apri12, 2010
PROJECT NAME: Traffic Signal Installation At Sandy Lake @ Rivechase Drive BID DATE: April 8, 2010
BID PROPOSAL
ADDENDA
ADDENDUM NO: ONE
PROJECT NAME: Traffic Signal Installation At
Sandy Lake @ Riverchase Drive
TR 08 -01
LOCATION: COPPELL, TEXAS
ISSUED BY: City of Coppell
ISSUE DATE: April 2, 2010
BID DATE: April 8, 2010
This addendum modifies and extends the requirements of the plans and construction
specifications for the above referenced project.
2. Staple this addendum to the inside of the rear cover of the construction specifications or bind
it into the construction specifications at the end of the Bid Proposal.
3. Note receipt of all addenda on the Bid Form located in the Bidding Documents, and also on
the outside cover of the envelope containing the Bid Documents.
CONSTRUCTION PLANS
Q
Sheet 2 of 8 — General Notes
Under the heading of Battery Backup strike the " "yea°' SP , nnn and replace with
"Model SP -1250 PD -N ".
Sheet 2 of 8 — General Notes
Under the heading of Pedestrian Push Button strike the "110 -B" and replace with
"1110 -3E ".
3. Sheet 2 of 8 — General Notes
Under the heading of Pedestrian Push Button add the following:
Pedestrian push buttons shall be Bulldog model BDLM2, black in color, and manufactured by
Polara Engineering, Inc.
ADDENDUMNO: ONE Page 2 ISSUE DATE: April Z 2010
PROJECT NAME: Traffic Signal Installation At Sandy Lake @ Rivechase Drive BID DATE: April 8, 2010
4. Sheet 5 of 8 - Traffic Phasing and Interval Chart
In all locations indicated strike the reference to "Ise 9" The signal will not be set up to
operate with a phase 9.
5. Sheet 5 of 8 - Traffic Phasing and Interval Chart
The phase diagram shown in the plans is incorrect. It should be shown with the following phase
and compatibility lines:
1 2 4 3
5 6 0 8
CONSTRUCTION SPECIFICATIONS AND CONTRACT DOCUMENTS
6. Page 5 -9 - Description of Pay Items
Pay Item #I -36 UPS System:
Strike the words " Model SP -1 "and replace with "Model SP -1250 PD -N ".
8. Various pages
In all locations strike the words " " and replace with "Vertically
Mounted ". All signal heads should be mounted to the mast arms vertically.
9. Page 6 -12 - Specifications for Upload - Download Device
Strike this entire page and replace it with the new page 6 -12 attached herewith, and
included in this addendum by reference.
END OF ADDENDUM NO. ONE
This addendum forms a part of the contract documents. The original Contract Documents and
any prior addenda remain in full force and effect except as modified herein which shall take
precedence over any contrary provisions in the prior documents. -f- �, , _
Keith R. Marvin, PE.
a
SPECIFICATIONS
FOR UPLOAD - DOWNLOAD DEVICE
1.0 SCOPE
1.1 This specification sets forth the minimum requirements for an upload - download device
to be supplied with each traffic signal installation. The purpose of this device is to
allow programming to take place in a shop environment and the unit can then be
transported to the cabinet and upload of the new program can be accomplished quickly
with minimal interruption to the operation of the signal.
2.0 UNIT
2.1 The unit shall be a Panasonic Toughbook CF30 Intel Dual Core Processor L7500 (1.60
GHz) 13.3" XGA LCD Touch screen, or approved Equal.
3.0 HARDWARE REQUIREMENTS
3.1 This unit shall be equipped with a minimum of 4.OGB SDRAM (DDR2- 667MHz).
3.2 160GB HDD shock - mounted and quick - release
3.3 The unit should include an A/C adapter, and D/C vehicle adapter.
3.4 A DVD Super Multi Drive
3.5 Intel® Wireless WiFi Link 5100 802.1 la/b /g/draft -n
3.6 A 6 cell primary battery.
3.7 Backlit Keyboard
3.8 Bluetooth® v.2.0 + EDR (Class 1)
4.0 SOFTWARE REQUIREMENTS
4.1 Operating system of the unit shall be Windows XP Professional, SP3.
4.2 System shall be pre - loaded with Nastec software.
6 -12 Technical Specifications &
Description of Pay Items