Laserfiche WebLink
Section 02825 <br />AMERISTAR® <br />02825/AEG <br />1555 N. MingoRoad <br />Tulsa, Oklahoma 74116 <br />Phone: (800) 321-8724 <br />Fax: (877)926-3747 <br />E-mail: arch@ameristarfence.com <br />Website: http://wwvv.ameristarfence.com <br />Materlal <br />A. Steel material for fence framework (i.e., tubular pickets, rails; and posts)', when galvanized after <br />forming shall conform to the requirements of ASTM Al 011/1011 M, with a minimum yield <br />strength of 50,000 psi (344 MPa). The exterior shall hot -dip galvanized with a 0.45 oz/ft, (138 <br />g/m2) minimum zinc weight. The interior surface shall be coated with a minimum 81 %nominal <br />zinc pigmented coating, 0.3 mils{q,0076mm) minimum thickness. <br />B, Steel material for fence framework (i,e„ tubular pickets, rails, and posts), when galvanized prior <br />to forming, shall conform to the requirements of ASTM A924/924M, with a minimum yield <br />strength of 50,000 psi (344 MPa). The steel shall be hot -dip galvanized to meet the <br />requirements of ASTM A653/A653M with a minimum zinc coating weight of 0.90 oz/ft? (276 <br />g/m2) Coating Designation G-90. <br />C; The manufactured galvanized framework shall be subjected to the PermaCoatO thermal <br />stratification coating process (high-temperature, in-line, multi -stage, multi -layer) including as a. <br />minimum,;a six -stage pretroatment/wash (with zinc phosphate), an electrostatic spray <br />application of an epoxy base, and a separate electrostatic spray application of a polyester finish, <br />The base coat shall be a zinc -rich thermosetting epoxy powder coating (gray in color) with a <br />minimum thickness of 2 mils (0,0508mm). The topcoat shall be a "no-mar"TGIC polyester <br />powder coat: finish with a minimum thickness of 2 mils (0.0508mm). The color shall be bronze; <br />The stratifibation-coated framework Shall be capable of meeting the performance requirements <br />for each quality characteristic shown in Table 1, <br />Table 1 —Coating Performance Requirements: <br />C2uality ASTM Test Performance Requirements <br />Characteristics Method <br />Adhesion D3359 — Method Adhesion (Retention of Coating) over 90% of test area (Tape <br />Bland knife test) <br />Corrosion , B117 & D1654 'Corrosioh Resistance over 3,500 hours (Scribed per D1654; <br />Resistance failure mode is accumulation of 1/8'" coating loss from scribe <br />or medium 98 blisters) <br />Impact 1 D2794 .Impact Resistance over 60 inch ib. (Forward impact using <br />Resistance .0,625" ball) <br />Weathering i D822, D2244, Weathering Resistance over 1,000 hours (Failure mode is <br />Resistance <br />D523(600 160% loss of gloss or color variance of more than 3 delta -E <br />Method)' }color units) <br />D. Material for fence pickets shall be 1" square x 14ga. tubing. The cross-sectional shape of the <br />rails shall conform to the manufacturer's ForeRunnerT"' design with outside cross' -section <br />City of Santa Ana RFP 13-064 <br />Page 20 <br />