3.3.14
Clean Up
Remove debris, scraps, containers and other rubbish and trash resulting
from installation of the roofing system from job site each day.
3.4
PROTECTION OF APPLIED ROOFING
At the end of the day's work and when precipitation is imminent, protect
applied modified bitumen roofing system from water intrusion.
[3.4.1
Water Cutoffs
**************************************************************************
NOTE: Include this paragraph when roof insulation
is a substrate for the modified bitumen sheet
roofing.
**************************************************************************
Straighten insulation line using loose-laid cut insulation sheets and seal
the terminated edge of modified bitumen roofing system in an effective
manner. [Seal off flutes in metal decking along the cutoff edge.] Remove
the water cut-offs to expose the insulation when resuming work, and remove
the insulation sheets used for fill-in.
]3.4.2
Temporary Flashing for Permanent Roofing
Provide temporary flashing at drains, curbs, walls and other penetrations
and terminations of roofing sheets until permanent flashings can be
applied. Remove temporary flashing before applying permanent flashing.
3.4.3
Temporary Walkways, Runways, and Platforms
Do not permit storing, walking, wheeling, and trucking directly on applied
roofing materials. Provide temporary walkways, runways, and platforms of
smooth clean boards, mats or planks as necessary to avoid damage to applied
roofing materials, and to distribute weight to conform to live load limits
of roof construction. Use rubber-tired equipment for roofing work.
3.5
FIELD QUALITY CONTROL
Perform field tests in the presence of the Contracting Officer.
Notify the
Contracting Officer one day before performing tests.
[3.5.1
Test for Surface Dryness
**************************************************************************
NOTE: Include paragraph or bracketed requirement
when hot-mopped membranes are used or base sheets
are hot-mopped to non-nailable substrates.
**************************************************************************
Before application of membrane sheets and starting work on the area to be
roofed, perform test for surface dryness in accordance with the following:
a.
Foaming: When poured on the surface to which membrane materials
are to be applied, one pint of asphalt when heated in the range of
176 to 204 degrees C (350 to 400 degrees F), shall not foam upon
contact.
SECTION 07550
Page 34
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