Laserfiche WebLink
CITY OF SANTA ANA <br /> SPECIFICATIONS <br /> PROJECT NO.: 25-6030 <br /> TRAFFIC SIGNAL INSTALLATION AT SEGERSTROM AVENUE AND ROSEWOOD <br /> AVENUE <br /> Construction and installation of dowels shall be per City of Santa Ana Standard Plan No. <br /> 1428A,the construction plans, and these specifications. <br /> PCC pavement replacement and bus pad replacement shall conform to Sections, 400, 200, <br /> 201, and 302 of the Standard Specifications and these Special Provisions. <br /> PCC used for street pavement and bus pad construction shall be minimum class 560-A- <br /> 3250. In addition to these minimum requirements,the concrete shall possess the following <br /> characteristics: <br /> • Flexural strength at 28 days: 550 p.s.i. min. <br /> • Flexural strength at 7 days: 430 p.s.i. min. <br /> • Compressive strength at 7 days: 2500 p.s.i. min. <br /> All cement to be used or furnished on this Project shall be Type II low alkaline Portland <br /> cement conforming to ASTM C 150. <br /> Prior to the start of construction, the Contractor shall furnish to the Engineer laboratory <br /> test data for the particular mix design he will use. The data will include the following: <br /> A. A detailed concrete mix design including the type and amount of cement used; <br /> complete gradation and source of the aggregate used; the amount of water used; and <br /> any proposed admixtures. <br /> B. Flexural strength test data for the same batch of concrete used in A above showing the <br /> compressive strength of the concrete at 3,7, and 28 days. <br /> Section 302-6.4.2 entitled "Tamping" of the Standard Specifications shall be modified by <br /> adding the following: <br /> The outer edge of the gutter shall not be used as a side form for the mechanical <br /> tamper except where existing gutter is to remain as shown on the construction plans. <br /> Concrete pavement for bus pads shall be installed monolithic with the curb and <br /> gutter and shall be accomplished in accordance with City of Santa Ana Standard <br /> Plan No. 1108. <br /> Section 302-6.4.4 entitled "Final Finishing" of the Standard Specifications shall be <br /> modified as follows: <br /> Delete all reference to wetted burlap. Final finish of the surface shall be textured <br /> by stiff broom process that will produce scoring perpendicular to the centerline of <br /> the street,performed at a time and in a manner to produce a hardened surface have <br /> a coefficient of friction of not less than 0.38 as determined by California Test 342. <br /> Curing to be applied immediately following broom process. <br /> 90 <br />