5.
Roof membrane application:
Adhere 100% of the .060" RPI EPDM rubber membrane to the underlayment
materials (fully adhered} -
All field laps to be a minimum of 6.”
Allow the membrane to extend over the roof edges and terminate below the
top of the wall covering.
Len existing gutters by extend the roof membrane and terminate along the
outer edges.
Adhere the new membrane up the brick wall and apply stainless steel
termination bars into the mortar joints using #8 x 1 4” stainless steel
fasteners.
Apply water cut-off mastic sealant behind the termination bar and over the
top of the bar to the brick surface.
Drains:
Install two new 4” RAC Insert drain systems into the existing drain piping.
These drains will be sealed into the existing cast iron drains and RPI
water cutoff mastic will.be applied around the top of the drain where it is
fastened down through.
Special flashing details:
Flash all 4” pipe ventilaters with RPI pre-formed pipe boot systems. Apply
RPI cover seam taping around all edging for a secondary seal.
Apply the rubber membrane up all side walls of the roof unit and apply RPI
uncured cover tape to all four corner sections.
Apply rubber membrane under all roofing units and new RPI walkway pads with
sleepers above to mount the roofing units.
Apply RPI walkway pads from the door entrance and ali the way around the
large units and both AC units. Note, the walkway pads will have 1” spacing
in between each to allow water to flow to the drain.
The roof units will be raised and reattached by J. Lawrence Hall.
Waste disposal:
The work areas shall be kept neat and clean om a daily basis.
An on site container will be used for disposal of tear off materiais,
The container will be set on planks to prevent damage.
The location of the container to be determined at a later time.
The container shall remain on the job site until the work has been
completed.
General notes:
Contractor to provide sanitary facilities for the duration af the praject
for the work crew.
All exterior work areas shall be thoroughly cleaned upon completion of the
job.
Follow all existing OSHA regulations as mandated by 29 CFR 1926 for the
construction industry.
All work to be done in a workmanlike manner in accordance with the standard
practices.
