Community College of Allegheny County Pittsburgh, Pennsylvania
2022 Library Roofing Project
3. Limit preparation to those areas that can be covered with installed roofing material on the same day or before arrival of inclement weather. 4. Arrange work sequence to avoid use of newly constructed roofing, as well as existing roofing for storage, walking surface, and equipment movement. Protect surface with runways constructed of smooth surface plywood over one-inch-thick insulation board where access is absolutely required. Ensure full protection of new and existing roof surfaces against mechanical damage. 5. Construct an enclosed chute on drops 20 feet or greater from roof for removal of debris. Protect building surfaces at chute/set-up area with tarpaulin. Secure tarpaulin. Remove dumpster from premises when full and empty at approved, legal dumping or refuse area. 6. Clean, power-wash if required any stains or marring caused by demolition.
3.02
GENERAL REQUIREMENTS
A.
Demolition as follows: 1. Demolish, remove and dispose of existing roof system to underlying decking. 2. Remove and dispose of all membrane and metal flashings to substrate. 3. Remove and dispose of obsolete or abandoned roof top equipment (as directed by owner). Work includes disconnection and disposal of all related components. 4. Sweep roof deck clean, dry deck if wet; replace if deteriorated.
3.03
CLEANING
A.
Clean up: 1. Immediately upon job completion, roof membrane and flashing surfaces shall be clean of debris. 2. Clean drains, gutters, and downspouts.
END OF SECTION
02060-2 DEMOLITION
February 2022
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