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City commences upgrade of the Sanddrift bulk sewer pipeline<span style="line-height:1.6;">The City of Cape Town’s Water and Sanitation Department has commenced construction on the Sanddrift Bulk Sewer Upgrade and Rehabilitation Project.</span><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;"></span><span style="line-height:1.6;">The 40-year-old Sanddrift bulk sewer is a critical component of the City’s sewer network in the Milnerton area, serving approximately 200 000 residents in the Sanddrift, Koeberg, Ysterplaat, Brooklyn and Century City areas. This project forms part of the City’s Sanitation Master Plan, and will ultimately be completed early in 2017 at a total cost of approximately R64 million (including VAT).</span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;"><strong>Assessment report</strong></span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;">In 2013 AECOM SA (Pty) Ltd was appointed to conduct a condition assessment of the bulk sewers in the Blaauwberg and Milnerton areas. During the assessment, AECOM identified that the Sanddrift bulk sewer has been subjected to severe corrosion on the inside due to corrosive gasses associated with sewage flows. This has structurally weakened the sewer, placing the area at increased risk for overflows. AECOM therefore recommended to the City’s Water and Sanitation Department that an upstream section of the Sanddrift bulk sewer be rehabilitated using trenchless chemically inert re-lining technology, and that the downstream section be upgraded due to anticipated increased flows.</span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;"><strong>Planned maintenance upgrades</strong></span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;">Trenchless rehabilitation will take place on the bulk sewer in Shayele and Daniel Roads as well as underneath the Sable Square Shopping Centre, while the concrete pipe in the Bosmansdam Road Reserve between Ratanga Road and Greybeard Road (near Montague Drive) will be upgraded. The work will be preceded by the relocation of an existing 300 mm bulk water main in the same section of the Bosmansdam Road reserve.</span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;">Although most of the construction work will occur on the northern verge of Bosmansdam Road, sections in Namer Road, Lisa Jane Crescent, Ocean Spirit Road, </span><span style="line-height:1.6;">Molly Brown Road, and Greybeard Road will also be affected. Residents are assured that construction on Bosmansdam Road will be limited to outside of peak hours. Temporary diversions will be necessary at other times.</span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;"></span><span style="line-height:1.6;">‘We would also like to request that our residents refrain from placing materials that should be discarded at landfill sites into our sewer networks. This will assist in eliminating surcharges caused by sewer blockages.</span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;">‘If residents have any queries about the project or require any additional information about preventing the discharge of illegal items to the sewers, they should please contact the City’s call centre on 0860 103 089, send an SMS to 31373, or send an e-mail to watertoc@capetown.gov.za for further information,’ said the City’s Mayoral Committee Member for Utility Services, Councillor Ernest Sonnenberg.</span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;"><strong>Road closures</strong></span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;">Property owners, pedestrians and traffic flow will be accommodated at all times during construction and throughout the project. The City’s Traffic Services will be involved with the diversion of traffic and all road closures when required.</span></div><div><span style="line-height:1.6;"><br></span></div><div><span style="line-height:1.6;">Notices of road closures and construction activities that may affect certain areas will be communicated to the public via the media as well as the project team on a continual basis throughout the project.</span></div>2016-01-10T22:00:00ZGP0|#e3c03ac1-845c-4119-815d-e796340463ba;L0|#0e3c03ac1-845c-4119-815d-e796340463ba|Community news;GTSet|#62efe227-07aa-45e7-944c-ceebacca891dGP0|#1596e104-b1e8-47f6-9db5-263896676e0a;L0|#01596e104-b1e8-47f6-9db5-263896676e0a|subcouncil;GTSet|#2e3de6c1-9951-4747-8f53-470629a399bb;GP0|#352cb5da-6a34-4bf4-959d-14dc8987a2b4;L0|#0352cb5da-6a34-4bf4-959d-14dc8987a2b4|water and sanitation1

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