e.
Other information necessary for an accurate comparison of the
proposed substitution and the specified product.
1.4
SAMPLE TEST PANEL
The approved Sample Test Panel will serve as the standard of quality for
all other water repellent coating work. Do not proceed with application
until the sample panel has been approved by the Contracting Officer.
**************************************************************************
NOTE: Specify sample test panels as a part of the
work included in Division 03, Concrete; Division 04,
Masonry; or in Division 09, Finishes, as applicable.
**************************************************************************
1.4.1
Sample Test Panel
**************************************************************************
NOTE: Insert appropriate Section number and title
in the blank below using format per UFC 1-300-02.
**************************************************************************
Prior to commencing work, including bulk purchase and delivery of material,
apply water repellent treatment to a minimum 1200 mm 4 feet high by 1200 mm
4 feet long [concrete,] [concrete masonry,] [plaster] test-panel specified
in [_____]. Provide a full height expansion joint at mid-panel length.
Prepare and seal joint with materials approved for project use.
1.4.1.1
Testing
AAMA 501 Provide field water testing of water repellent treated surfaces in
the presence of the Contracting Officer and the water repellent treatment
manufacturer's representative.
a.
Apply water repellent to left side of mock-up and allow to cure
prior to application of treatment to right side.
b.
Twenty days after completion of application of treatment, test
mock-up with 16 mm 5/8 inch garden hose, with spray nozzle,
located 3 meters 10 feet from wall and aimed upward so water
strikes wall at 45 degree downward angle. After water has run
continuously for three hours observe back side of mock-up for
water penetration and leakage. If leakage is detected make
changes as needed and retest.
c.
Coordinate testing procedures and modify project treatment
application as required to pass mock-up tests for water
penetration and leakage resistance.
1.4.1.2
Approval
Proceed with water repellent treatment work only after completion of field
test application and approval of mock-up and tests by the Contracting
Officer.
1.4.2
Pre-Installation Meeting
a.
Attend pre-installation meeting required prior to commencement of
SECTION 07190
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