2131 LAKE HEIGHTS DR 2016-01-01 MF Import

i SECTIOiV 8-20.3 Coastruction Requirements ' SECTION 8-20.3(1) OF THE STANDARD SPECIFICATIONS IS SUPPLEMENTED BY THE FOLLOWING: 8-20.3(1) General 8-20.3(1)A Traffic Ccntrol(New Section) IThe Contractor shall provide unifortned Police control at any time an intersection is dark or inoperative, such as during cuntroller changE-out, cable installation, signal turn-on or cut-over, or similar circumstances. The I Contractor shall have all traffic controls (i.e., pavement markings, channeiization and sogning) in place prior to requesting Engineer's app:oval for tum-on or cut-over. To maintain safe traffic conditions,existing signals shall remaiu in operation until a simultaneous cut-over to the signal can be accomplished. At the time of tum-o i of new signals, temporary "SIGNAL AHEAD" signs shall be placed upstream on all i approaches. These signs shall remain in place for not Icss than 7 nor more than 21 calendar days. All signs shall be highly visible and placed in a safe and secure location. At the time of cut-over of revised signals having phasing which is diffcrent from dic old signal operation (i.e., added phase, split phase, etcJ temporary "TRAFFIC REVISION" signs shall be placed upstream on all zpproaches. These signs shall remain in place for not less than 7 nor more than 14 calendar days.At a cut-over of r�vised signals having phasing which is the same as the old signal operation, no temporary signing is necessary. All signs sliall be higlily visible and placed in a safe and recure location. I SECTION 8-20.3(3) OF THE STANDARD SPECIFICATIONS IS SUPPLEMENTED BY THE IFOLLO�i'ING: 8-20.3(3) Removing and Replacing Improvements The installation of underground signal components such as conduits, junction boxes, signal pole foundations, controiler foundations, or service pedestal foundations shall require the removal and replacement of certain improvements such as traffic signal poles, signal conlrollers, span wires, signal heads,junc:ion boxes, and otl�er I miscellancous signal equipment. it shall be the responsibility of the Contractor to perfortn such removal as required for his work and to restore these areas to original condition as directed by the Engincec T'he Contractor shall sawcut edges of all asphalt and concrete requiring removal. All expansion joints, dummy joints, and "V" I grooves shall be removed and shall be replaced to match existing join[s. The ends mid edgcs of the patched and re-s�rfaced areas shall meet and matcl� the existing surface and grade and shall terminate in neat even lines parallel to and at right angles to the roadway. Damaged, disturbed, or othenvise I affected areas, as defined, shall have edges of e�isting pavement trimmed back to provide clean, solid, vertical faces, frec from loose material. Pavement patching shall be preformed in accordance with Standard Drawing No. 316 and these specifications. � Where patches are made in cement concrete pavements or sidewalks, the cement concrete shall be Class 4000, Type III. Asphalt concrete patching shall be accomplished with Asphalt Concrete, Class B. Tack coat shall be I applied between successive layers of asphalL Asphalt for tack coat shall be Type CSS-1. The surface of all joints behveen existing asphalt pavement and thc new pavement shall be sealed with paving asphalt,AR-4000W. Ir w�w.00NVI�50J_tvee`<onmrov.a« Uavid Hvans and Associntrs.Inc. SP-8 7th Avc.SFJIO(1�ItSl Signal Modifcation June�998