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Alice Lane Phase II
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Alice Lane Phase II

Alice Lane Phase II, a 16 000 m² building, is the head office of insurance giant Santam/Sanlam. The building is located on Alice Lane in Sandton, Johannesburg, and comprises six office levels and seven parking levels.


The project achieved a 4-star Green Star SA Office v1 Design certification in December 2013, and a 4-star Green Star SA Office v1 As-Built certification in January 2016.

Sustainable Building Features

  • Building is mechanically ventilated. Heating and cooling is provided by means of a four-pipe central chilled-water system, using air-cooled reversible heat-pump chillers and four-pipe in-ceiling fan coil units.
  • Chillers placed on the roof make use of the compression cycle of refrigerants in order to transfer heat from the chilled water circuit to the atmosphere.
  • The building has reduced energy consumption to 165 kWh/m² /year and carbon emissions to 198 kgCO2 /m² /year.
  • The building has a groundwater harvesting system.
  • The main electrical supply to the building is made up of two sections, a critical section, which is backed up by a generator, and a non-critical section. The non-critical section feeds items such as the main HVAC chillers, pumps, and items that do not require generator backup during a power failure. All other items are backed up via the generator, which provides the emergency backup required for the building.
  • The fire-protection system has been designed to not expel any water during testing. Water is redirected back into storage tanks.

alicelaneProject Team

OWNER: ABLAND PROPERTY DEVELOPERS, RICHARD COTTRILL
GREEN STAR SA ACCREDITED PROFESSIONAL: MARLOES REININK
PROJECT MANAGER: JANET GLENDINNING, ABLAND
ARCHITECT: AMIR LIVNEH, PARAGON ARCHITECTS
STRUCTURAL/CIVIL ENGINEER: KEVIN VAN AART, L & S CONSULTING
MECHANICAL ENGINEER: WILLEM VAN DER WESTHUIZEN, C3
ELECTRICAL ENGINEER: GRANT SEEDY, TAEMANE
WET SERVICES ENGINEER: SCOTT RAMSDEN, RAMSDEN CONSULTING
FIRE SYSTEMS ENGINEER: LEON POTGIETER, IFE
QUANTITY SURVEYOR: SAMPIE KEEVE, QUANTICOST
MAIN CONTRACTOR: ARLINDO DA COSTA, WBHO

  • 4-star Green Star SA Office v1 Design
    4-star Green Star SA Office v1 As Built
  • Sandton, Abland Properties

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