application prior to applying [ballast][paver] system. [Install protection
mat over roof membrane in accordance with roof membrane manufacturer's
recommendations. Provide minimum 75 mm (3 inch) side laps and 150 mm (6
inch) end laps. Turn mat up vertical surfaces to extend 50 mm (2 inches)
above ballast. Immediately after placement of protection mat,][Install and
level pedestal system in accordance with manufacturer's requirements and]
apply [stone][and][paver] [ballast][system.] [at the following coverage
rates:
a.
[Pavers: ][_____] pounds per square foot for perimeter and corner
areas of roof.
b.
[_____] pounds per square foot for field of roof.
In no case apply ballast at a coverage rate less than 10 pounds per square
foot or more than[_____] pounds per square foot.]
]3.2.14
Correction of Deficiencies
Where any form of deficiency is found, additional measures shall be taken
as deemed necessary by the Contracting Officer to determine the extent of
the deficiency and corrective actions shall be as directed by the
Contracting Officer.
3.2.15
Clean Up
Remove debris, scraps, containers and other rubbish and trash resulting
from installation of the roofing system from job site each day.
3.3
PROTECTION OF APPLIED ROOFING
At the end of the day's work and when precipitation is imminent, protect
applied membrane roofing system from water intrusion.
[3.3.1
Water Cutoffs
**************************************************************************
NOTE: Include this paragraph when roof insulation
is a substrate for the EPDM sheet roofing.
**************************************************************************
Straighten insulation line using loose-laid cut insulation sheets and seal
the terminated edge of the roof membrane 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.
]3.3.2
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.
3.3.3
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
SECTION 07530
Page 28
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