Massachusetts Institute of Technology, Building 10 Great Dome

For the waterproofing repair project, SGH completed the following:

• Designed repairs to add continuous waterproofing over the stepped portion of the concrete dome, requiring removal of limestone and copper cladding
• Surveyed existing limestone so new stone could be cut to match original shapes, but with reduced depth to permit proper drainage
• Tested stepped waterproofing options to verify their ability to accommodate the unique geometry and compatibility with existing built-up waterproofing
• Designed a custom anchorage assembly to maintain an open cavity behind stones and provide adjustability for setting stones on the circumference
• Sequenced installation of copper flashing and limestone to match the original flashing and protect the new waterproofing

For the oculus restoration, SGH performed the following:

• Designed a new stainless steel skylight with 1,042 new prismatic glass blocks to replace the existing concrete-framed glass block skylight
• Designed a new aluminum-framed, silicone-glazed skylight to provide the weatherproofing for the oculus
• Reviewed and analyzed the existing laylight frame and designed new safety glazing for the laylight
• Analyzed air movement to reduce laylight condensation risk potential
• Monitored construction, provided real-time solutions to issues as they arose, reviewed mockups, and water tested completed installations