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<br />High Rock Road Waste & Recycling Center Improvements 33 30 00 - 9 <br />Orange County Solid Waste MARCH 2019 <br />DAA PN R00592-213N <br /> <br /> <br />E. The manhole shall have flexible coupling cast into the manhole ma king it <br />an integral part of the manhole at each inlet and outlet hole. This coupling <br />shall be rigid, secure, and provide water tightness, yet provide flexibility at <br />the pipeline to manhole connection. <br /> <br />2.10 Masonry Cement: Masonry cement shall be of best grade, conforming to ASTM <br />Specification C91, Type II, of a brand approved by the Engineer. It shall be <br />newly manufactured, well housed, and kept dry and protected at all times. <br /> <br />2.11 CASTINGS AND STEPS <br /> <br />A. Castings and steps shall be provided for each manhole. Frames , covers, <br />and steps shall be of cast iron of superior quality, tough and even texture, <br />and of not less than 40% pig. They shall be clear of blow holes, and <br />holes, cracks, or other defects, properly finished and bituminous coated <br />while hot. <br /> <br />B. Manhole covers, frames, and steps shall conform to the details for each <br />type manhole on the Plans, or to similar plans differing in detail b ut of <br />equally good design, provided such castings are approved by the <br />Engineer prior to use. Covers and frames shall be machined to provide <br />plane, smooth surfaces for uniform seating and interchangeability of <br />covers. Rings and covers that provide imperfect seating will be rejected. <br />All covers and frames shall be suitable for traffic service. Minimum <br />opening shall be 22" in diameter, minimum weight of cover shall be 120 <br />pounds and minimum weight of frame shall be 190 pounds. <br /> <br />C. Special frames and covers shall be provided for sealing manholes water <br />tight at locations shown on the Plans. These frames and covers shall <br />conform to the above specifications and shall be provided with a one piece <br />rubber gasket seated into the manhole frame. Covers shall be secure d <br />with 4 minimum 2" lug bolts. Such frames and covers shall be <br />manufactured by Neenah Foundry, Dewey Brothers, Inc., or equal. <br /> <br />2.12 Concrete: Refer to Section 03 30 00 for concrete. <br /> <br />2.13 GROUT AND MORTARS <br /> <br />A. Non-shrink, high strength grout shall be a non-shrink catalyzed metallic <br />mortar that provides high strength, and does not need rigid confinement. <br />It shall be premixed and used in proportion with water as recommended <br />by the manufacturer. It shall be compatible with other grouts and mortars <br />used. It shall be manufactured by Master Builders, Five Star, W.R. Grace <br />Company, or equal. <br /> <br />DocuSign Envelope ID: BBF56E0A-3618-497E-AA70-92F097E8F598