505 E Central Ave #B - DEF 1 - Plan

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CITY OF SANTA ANA SPECIFICATIONS PROJECT NO.: XX-XXXX PROJECT TITLE 181 qualification tests. The Contractor shall bear the expense of qualifying welders. Welder’s certification shall be submitted for approval prior to commencement of work. E. CASING SPACERS Casing spacers shall be sized sufficiently to provide a minimum clearance of two (2) inches between outside of carrier pipe bells or couplings and inside of casing. The spacers shall be PSI Model C8G-2 or approved equal and consist of the following components: 1. Spacer Band Material: Minimum 14-gauge steel band of either Type T-304 stainless steel or Carbon steel coated with fusion bonded epoxy or PVC coating. 2. Spacer Liner Material: Ribbed liner of PVC or EPDM rubber designed to overlap the edges of the upper spacer band and prevent slippage. Liner shall have a minimum thickness of 0.090 inches and a hardness of 85-90 durometer “A”. 3. Spacer Width: As recommended by the spacer manufacturer for the specific application. Minimum width shall be 8 inches. Manufacturer’s approval in writing shall be required for installations exceeding 300 feet in length, carrier pipes in excess of 48 inches in diameter or multiple carrier pipes in casing. 4. Spacers Risers and Runners must be: a. Risers must be minimum 10-gauge steel risers of same material and requirements as spacer band. Risers shall be MIG welded to spacer band prior to coating. Risers must be suitable for supporting the weight of the carrier pipe. b. Risers shall be manufactured of an abrasion resistant material having a low coefficient of friction (0.1 to 0.6) and designed to support the carrier pipe without damage or excessive wear. Runner material shall be of glass reinforced polyester or nylon and have a minimum compressive strength of 18,000 psi (ASTM D 695). 5. All hardware and fasteners shall be Type 316 stainless steel. 6. Hardwood skids shall NOT be used in place of manufactured casing spacers. 7. The annular space within the casing shall be filled with air-blown sand, unless otherwise specified and with the approval of the Engineer. F. CASING END SEALS Both ends of the casing between the casing and carrier pipe shall be sealed watertight using a pull-on rubber end seal such as Model AC as manufactured by Advanced Products or PSI Model C or approved equal. The end seals shall be made of synthetic 505 E Central Ave #B11/6/2024