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MRY.28.2092 11~SBRM MTN 9TRTES PIPE <br />:i,? +a.: IC'.dot'~nta~rlP':1b4yk61,v~r4nn~ntL`}S~nrce •. <br />l~ J <br />I • <br />HANCOR AASHTO PIPE <br />SPECIFICATION <br />Scope <br />N0.393 <br />This specification describes 3" - 24" (75 - 600mm) Hancor <br />AASHTO pipe for use in nonpressure drainage applications, <br />Pipe Requirements <br />Hancor AASHTO Pipa shall have annular interior and exterior <br />corrugations. 3" - 10" ~75 - 250mm) pipa shall m¢et AASHTO <br />M252 Type C, and 12 - 24" (300 - 600mm) shall moat AASHTO <br />M294 Type C. <br />Joint Performance <br />Pipe shall be joined with internal or external couplers, or coupling <br />bands covering at least two full convgatlons on each arid of the <br />pipe. Standard (non~asketed) connections shall meet the soil- <br />tightness requirements of the AASHTO Standard Sp¢Cification <br />for Highway Bridges, Section 26, paragraph 26.4.2.4(¢). Silt-tight <br />(gasketed) connections shall incorporate a closetlt¢II syynthetic <br />expanded rubber gasket meeting the requirements of ASTM <br />D1056 Grade 2A2. Gaskets shall be installed on the connection <br />by the pipe manufacturer. <br />Fittings <br />Fittings shall conform to AASHTO M252 or AASHTO M294. <br />Material Properties <br />Pipe and fitting mat¢rial shall be high density polyethylene <br />meeting ASTM D3350 minimum cell GassificaGOn 324420C for 3" <br />- 10" (75 - 250mm) diameters or 335420C for 12" - 24" (300 - <br />600mm). <br />Installation <br />Installation sha(I be in accordance with ASTM D2321 with the <br />exception that minimum cov¢r in trafficked areas shall be one <br />foot (0.3m). <br />f/~~S <br />P.3 <br />