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� SECTION 16106 <br /> � UTILITY DUCP SYSf'.'M <br /> � PART 1 GENERAL <br /> 1 .01 SCOPE <br /> I Provide a system of ducts and vaults for the distribution of inedium <br /> voltage and communications. <br /> I 1 .02 RELATED NORK <br /> Refer to Section 16105 for trenching, backfill and surface <br /> restoration requirments. <br /> IPhRT 2 PRODUCPS <br /> 2.01 DUCP <br /> ( Shall be rigid non-metallic PVC Type EB, UL listed. Carlon or <br /> acr.eptable equsl, complete with end bells, spacer�, couplings and <br /> removable plugs for unused ducts. <br /> I2.02 VpULTS ARD MANHOLES <br /> Precast, reinforced concrete structures with dimensions shovn on the <br /> I draxings. Provide traffic lids and covers xhen structures are <br /> located in parking or roadvey areas. All vaults shall comply with <br /> ANSI/ASTM Standard C 857, ��Minimum Structu:al Design for Underground <br /> Precast Concrete Utility Structures". <br /> I2.03 REINFORCING BAR <br /> Re-bar in duct banka shall be 36,000 psi minimum, ASTM A36, deformed <br /> bars. <br /> 2.04 DUCf BANK CONCRETE <br /> � 3000 psi, 28 day cure, one inch minus or smaller gravel. <br /> PAFfP 3 INSTaLLATION <br /> 3.01 DUCP RUNS <br /> A. Shall be installsd at depth permittec' by NEC but in no case less thun <br /> noted on tne drawings. Ducts shall be ins�alled with patented PVC <br /> spacers xith not less than 2 inch horizontal and vertical separation <br /> '� betxeen ducts and three inches horizontal separation betxeen poxer <br /> and communication ducts. Provide not less than one �6 steel <br /> reinforcing bar in ench corner and �/4 stirrup on three foot centers. <br /> B. Duct runs shall be sloped to drain toxards the manholes. <br /> C. Clesn nnd srrab all ducts, plug all ducts xith patented plugs. <br /> 3.02 VAULTS AND MANHOLES <br /> Shall be inatnlled on �olid bearing (see 76105) levelled with the top <br /> of the co�•er, 2 inches above finish grade in planted areas end flush <br /> With finished graue in sidewalk and traffic areas. <br /> � t6106-1 <br /> 83-C1 (D� <br />