SEWERAGE Hume concrete sewerage pipes are manufactured to provide a corrosion barrier to withstand corrosive attack while maintaining flexibility to withstand decades of severe services. Advantages Resists hydrogen sulphide and other sewer gases, acids, alkalis and salts The interior lining prevents the disintegration of the concrete Resistant to wide variety of chemicals Unaffected by fungus or bacterial action Unaffected by continuous exposure to high humidity or water Design & Specifications Hume sewerage pipes are available in sizes and classes similar to those of culvert and drainage pipes. Hume sewerage pipes come in different categories or protection lining; Using a 20mm thick layer of High Alumina Cement which conforms to the sewerage services department requirements for sewerage pipes from sizes 900mm - 1950mm diameter. Sewerage pipes sizes from 150mm - 750mm diameter will be using a 12mm thick layer of High Alumina Cement Using Sulphate Resisting Cement to British Specification BS 4027-1966 For aggressive corrosive conditions, the pipes can be lined internally with a blanket of PVC sheet. This is the Hume "Plastiline" pipe, which is used extensively in Australia and Singapore Using sacrificial concrete lining of 20mm or 38mm Hume sewerage pipes utilize the Rubber Ring Joint for water tightness and protection from the surrounding environment. Other type of joints are not recommended.     DRAINAGES |Page 1 | Page 2 | Page 3 | Page 4 | Page 5 | Page 6 | Page 7 | Page 8 | Page 9 | Page 10 | Page 11 | Page 12 | Page 13 | Page 14   Top HUME CONCRETE MARKETING SDN BHD (8411-T) Level 2, Bangunan Pan Global, No. 1A, Jalan Tandang, P.O.Box 21, 46700 Petaling Jaya, Selangor. Hot-line: (603) 7785 5282 Tel: (603) 7783 3068 Fax: (603) 7785 1823 E-mail: Adam Hussein (HIMB-PJ)