Battery Backup System Repair

4. 
   Traffic Control Requirements
   

The Contractor may be required to submit a Traffic Interruption Report (TIR) for work that requires detours, lane closures or other traffic interruptions on the state highway system. See Section 150 of the GDOT Specifications. Contractor will be required to notify the Transportation Management Center to any changes in the construction schedule that deviate from the original TIR prior to starting any new work.

5. 
   Call Before You Dig
   

1. 
   General Specifications
   

1. 
   The contractor must verify with the Field Engineer of the placement of all signal head locations prior to installation and final acceptance.
   
2. 
   The contractor must ensure phasing in the field matches what is shown in the plans.
   
3. 
   All wiring from signal heads to the cabinet must comply with GDOT specifications section 647. Wires must also be labeled with embossed labels.
   
4. 
   The AUX file installed must match the manufactured cabinet.
   
5. 
   All old signal equipment must be returned to the maintain agencies signal shop.
   
6. 
   Ground rods must be installed for all new cabinet installations.
   
7. 
   The contractor must ensure that the R10-5A is installed so that the sign does not obstruct the view of the opposing signal heads.
   
8. 
   Signal heads must be realigned on all approaches where necessary in order to achieve propel signal head alignment.
   
9. 
   The contractor is required to raise span wire and/or attachment points on timber and strain poles as needed to achieve acceptable clearance for FYA signal heads and back plates.
   
10. 
    All D3-1 signs must be adjusted to accommodate new signal head locations. Relocate existing overhead street name signs between signal heads with a 1’ spacing when possible.
    
11. 
    The contractor must maintain the existing traffic signal during construction. The contractor cannot, at any time, cause any part of the signal operation to be inoperable. After installation, the contractor must test all new signal equipment and verify its functionality prior to operation and deactivation of existing signal equipment.
    
12. 
    When sufficient mast arm length is not provided, FYA signal heads must be installed at the end of the mast arm with subsequent signal heads installed at 8’ intervals. Align all signal heads as closely as possible to GDOT standards.
    
13. 
    GDOT encourages contractors to pre-mark and pre-drill mast arms for new 7-conductor runs prior to removing existing signal heads or installing new signal heads when possible.
    
14. 
    All abandoned holes left in mast arms must be plugged with caps to mitigate water intrusion.
    
15. 
    In mast arm locations, adjust all astro-brackets to ensure correct signal head height to 17’ clearance where possible and ensure all signal heads are level. Document and provide justification for locations where 17’ clearance is not achievable.
    

1. 
   Quality Acceptance
   

1. 
   Areas where work has been completed must be approved and accepted by the Engineer prior to any payment. At no time will payment be made for any work not yet performed. Upon submittal of the invoice the Engineer will inspect the work performed for compliance with the requirements herein.
   
2. 
   If the Contractor has not met the requirements herein, the Engineer may request that additional services be performed, additional work to be performed at no additional cost to the Department.
   

Corrective Actions or Additional Comments (photos may be attached):

GDOT Engineer/Designee