Water, Sewage & Effluent January-February 2017 | Page 36

a. b. e. products supplied to Malawi projects
Products supplied by a. b. e. Construction Chemicals were extensively used for the repair and provision of three important community structures in Malawi.
Trevor Enerson, a. b. e. Construction Chemicals development manager: exports, says a. b. e. products were used for the upgrading and rehabilitation of Blantyre Water Board’ s three potable water reservoirs, and for the rehabilitation of grain silos of the National Food Reserve Agency’ s Kanengo Silo Project in Lilongwe.
Products supplied by a. b. e., as well as its holding company Chryso SA, were also used for the Lilongwe Water Board’ s new Water Treatment Plant.
For the repair of the Lilongwe Water Treatment Plant, carried out by building and civil engineering contractors the SAWA Group, a. b. e. supplied duraflex flexible cementitious waterproofing slurry for the internal application to the plant’ s silt tanks and water clarifiers. a. b. e.’ s durasil SH silane
siloxane water repellent treatment was used as external coating for the water reservoir to reduce the ingress of chloride irons and carbonation attack.
Other a. b. e. products used for the 18-month long Lilongwe Water Treatment Plant project included durajoint PVC Waterstop for the joints; durarep QS fast-setting concrete repair and anchoring material; as well as a. b. e.‘ s precision non-shrink cementitious grouting, duragrout, to provide full bearing support for the plant and machinery installations. Enerson says that for the construction and isolation joints that formed part of the upgrading of the Blantyre Water Board’ s three new reservoirs, a. b. e. supplied durajoint PVC Waterstop and durakol G HM along with epidermix 326 epoxy primer as joint sealants. For the reservoirs’ internal walls and floors, duraflex was used as waterproofing slurry. The external walls and roofs were treated with durarep FC, duracote WB primer and duracote WB aliphatic acrylic coating. u a. b. e.
One of the three Blantyre Water Board’ s water reservoirs for which a. b. e. Construction Chemicals supplied several concrete protective products.