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CITY OF SANTA ANA <br />SPECIFICATIONS <br />PROJECT NO. 11 -6416 <br />SEVENTEENTH STREET WATER MAIN IMPROVEMENTS <br />4.00 TRAFFIC CONTROL <br />4.01 GENERAL <br />Street closures, detours, signs and barricades used for handling traffic shall conform to the <br />requirements of latest edition of the "Work Area Traffic Control Handbook" (WATCH), City <br />Standard Plan 1125F (SP 1125F), the California Manual on Uniform Traffic Control Devices <br />(CA MUTCD), and these Technical Provisions. <br />Traffic control plan must be submitted and approved before starting work on any public <br />street, except for the following temporary closures: <br />• Temporary single lane closure on 4 or 6 -lane arterials can be done per WATCH <br />handbook without submitting traffic control plan. <br />• Temporary two lanes closure on 6 -lane arterials may be done per WATCH <br />handbook without submitting traffic control plan. However, this will require <br />prior approval from Traffic Engineer. <br />• Temporary closure of local street may be done per WATCH handbook without <br />submitting traffic control plan. However, this will require prior approval from <br />Traffic Engineer. <br />Flashing arrow signs shall be used on streets consisting of four or more lanes or where <br />deemed necessary by the City's Traffic Engineering section. The flashing arrow signs shall <br />be solar powered and left in place for the duration of the lane closure. <br />Temporary striping installation for traffic control may be paint or removable tape or <br />approved equivalent. <br />Any existing speed limit signs or other conflicting signs in the construction zone shall be <br />covered during construction with heavy duty black plastic (non transparent) sheets or bags, <br />which are secured to the sign post below the sign, with tape. In no case shall tape be <br />applied to either front or back of any sign. <br />Intersections shall be kept open until work takes place within the intersection. Local <br />vehicular and pedestrian access, including access to driveways and businesses, shall be <br />maintained at all times. Pedestrian access (minimum 4 -foot width) across both streets in an <br />intersection must be maintained at all times. <br />Where parking is prohibited during construction, "TEMPORARY NO PARKING" signs shall be <br />posted at least twenty -four hours, but no more than forty -eight hours, in advance of the <br />work. The signs shall be placed no more than 150 feet apart on each side of the alleys, streets <br />T -4a <br />23A -120 <br />