We were extremely focused on completing the installation of the single ply membrane over our flat roofs today, as the weather forecast for Sunday continues to include a 30% chance of rain.
Also, Izzy completed the trench under the sidewalk and to the Verizon (formerly GTE) underground vault on Winchester Boulevard.
Trenching to Winchester
With our Comprehensive Trenching Plan, we are harvesting 100% of the rainfall from our roof and storing it in our underground CUDO cistern. When the cistern is full, any additional water flows directly into the back of the storm drain on Winchester Boulevard.
Although the 4-inch perimeter drainage system is in place, it must still be connected to the underground CUDO cistern. Yesterday, we ordered two ‘boots’ to connect the 6-inch inlet pipe and 6-inch outlet pipes to the cistern. We ordered this boots from BTL Liners, and they were delivered today.
Our master trencher, Izzy, dug a trench to the storm drain on Winchester Boulevard. He dug another trench to Verizon’s underground vault, 11 ft away. We put a 2-inch conduit into this trench and backfilled it. This conduit will go underground to our East Mechanical room, so we can have a future connection for telephone services. We’re hoping that, some day, we will have a fiber optic connection in this conduit.
Continuing to Install Our ‘Cool Roof’ System
The five-person team from Statewide Roofing completed the basic installation of the single ply membrane over all of our flat roofs today. They will be back on Monday to complete the detailing and to test all of the seams.
During the day, Bryan spoke with Mandy Schwietzer a Technical Services Specialist for TPO single ply membranes with Johns Manville in Littleton, Colorado regarding some issues that our Building Official, Howard Bell, had raised. Howard was concerned with the placement of the screws holding down the tapered insulation. He had inspected a project on Overlook Road where the tapered insulation had curled after being installed and he didn’t want that to happen with our project.
Mandy provided technical documentation and confirmed that the multiple screws holding down our membrane will ensure the tapered foam insulation will remain flat and that the membrane will be secured to the SIPs and come apart.
Statewide Roofing had a comprehensive installation guide for the complete line of single ply membrane products from Johns Manville available on our project site.
Howard approved our installation and documented his approval on our building permit.
At the end of the working day, Bryan ensured the gate was locked and all the safety signs were in place before leaving the project site.