Permits & Development - Encroachment(EP)/Driveway(DW) Permits - 2007_EP-07-301 thru EP-07-400_ - EP-07-352

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• No separate payment will be made for pretensioning precast concrete members. Payment for pretensioning precast concrete members shall be considered as included in the contract price paid for furnish precast members as provided for in Section 51, "Concrete Structures." The second paragraph in Section 50-1.11,"Payment,"of the Standard Specifications is amended to read: • The contract lump sum prices paid for prestressing cast-in-place concrete of the types listed in the Engineer's Estimate shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all work involved in furnishing,placing,and tensioning the prestressing steel in cast-in-place concrete structures,complete in place,as shown on the plans,as specified in these specifications and the special provisions,and as directed by the Engineer. SECTION 51: CONCRETE STRUCTURES Issue Date: January 5,2007 The eleventh paragraph in Section 51-1.05,"Forms,"of the Standard Specifications is amended to read: • Form panels for exposed surfaces shall be furnished and placed in uniform widths of not less than 0.9-m and in uniform lengths of not less than 1.8 in, except at the end of continuously formed surfaces where the final panel length required is less than 1.8 in. Where the width of the member formed is less than 0.9-m, the width of the panels shall be not less than the width of the member. Panels shall be arranged in symmetrical patterns conforming to the general lines of the structure. Except when otherwise provided herein or shown on the plans,panels for vertical surfaces shall be placed with the long dimension horizontal and.with horizontal joints level and continuous. Foran panels for curved surfaces of columns shall be continuous for a minimum of one quarter of the circumference, or 1.8 in. For walls with sloping footings which do not abut other walls,panels may be placed with the long dimension parallel to the footing. Form panels on each side of the panel joint shall be precisely aligned,by means of supports or fasteners common to both panels,to result in a continuous unbroken concrete plane surface. When prefabricated soffit panels are used,form filler panels joining prefabricated panels shall have a uniform minimum width of 0.3-m and shall produce a smooth uniform surface with consistent longitudinal joint lines between the prefabricated panels. The first and second paragraph in Section 51-1.06A, "Falsework Design and Drawings," of the Standard Specifications are amended to read: • The Contractor shall submit to the Engineer working drawings and design calculations for falsework proposed for use at bridges. For bridges where the height of any portion of the falsework,as measured from the ground line to the soffit of the superstructure, exceeds 4.25 in; or where any individual falsework clear span length exceeds 4.85 in; or where provision for vehicular,pedestrian, or railroad traffic through the falsework is made;the drawings shall be signed by an engineer who is registered as a Civil Engineer in the State of California. Six sets of the working drawings and 2 copies of the design calculations shall be furnished. Additional working drawings and design calculations shall be submitted to the Engineer when specified in "Railroad Relations and Insurance"of the special provisions. • The falsework drawings shall include details of the falsework erection and removal operations showing the methods and sequences of erection and removal and the equipment to be used. The details of the falsework erection and removal operations shall demonstrate the stability of all or any portions of the falsework during all stages of the erection and removal operations. The seventh paragraph in Section 51-1.06A, "Falsework Design and Drawings," of the Standard Specifications is amended to read: • In the event that several falsework plans are submitted simultaneously, or an additional plan is submitted for review before the review of a previously submitted plan has been completed, the Contractor shall designate the sequence in which the plans are to be reviewed. In such event, the time to be provided for the review of any plan in the sequence shall be not less than the review time specified above for that plan, plus 2 weeks for each plan of higher priority which is still under review. A falsework plan submittal shall consist of plans for a single bridge or portion thereof. For multi-frame bridges, each frame shall require a separate falsework plan submittal. Section 51-1.06A, "Falsework Design and Drawings,"of the Standard Specifications is amended by adding the following paragraphs: Contract No. 10-OM7104 29