REP24901

• Permit No: M1999002
• IBM Index Class Name: Report
• Doc Date: 4/21/2000
• Doc Name: CONSTRUCTION REPORT FOR STORM WATER POND QUALITY ASSURANCE MANUAL FOR THE INSTALLATION OF FLEXIBLE M
• From: AMERICAN SODA
• To: DMG
• Media Type: D
• Archive: No

' The following procedures shall be followed:
Wet a.strip of geomembrane approximately 12 inches by 48 inches (0.3 m by 1.2 m) with the
soapy solution;
Pla
the box over the wetted area
;
ce
' Energ¢e the vacuum pump to approximatey 3 inches of Hg;
Ensure that a leak tight seal is created;
t For a period of approximatey 5 to 10 seconds, examine the geomembrane through the
viewing window for the presence of soap bubbles;
If no bubble appears after 10 to 15 seconds, de~nerg¢e vacuum box, move the box over
' the next adjoining area with a minimum 3 inches (75 mm) overlap, and repeat the process;
All areas where soap bubbles appear shall be marked and repaired in accordance with
' Section 3.4;
Vacuum tested seams are recorded on the Quality Control Air Test Record.

3.3.5.3 Air Pressure Testing (for Double Fusion Seam only)
' The equipment shall be comprised of the following:
An air pump (manual or motor driven) equipped with pressure gauge capable of generating
and sustaining a pressure between 25 and 30 psi (160 and 200 kPa);
A rubber hose with fittings and connections; and
' hollow needle
or other a
roved
ressure feed device
A shar
,
.
p
pp
p
' The following procedures shall be followed:
Seal both ends of the seam to be tested;
' Insert needle or other approved pressure feed device into the channel created by the fusion
weld;
Energ¢e the air pump to a pressure between 25 and 30 psi (160 and 200 kPa), dose valve,
' and sustain pressure for approximately five (5) minutes;
' If bss of pressure exceeds above listed values, or does not stabil'¢e, lopte faulty area and
repair in accordance with Section 3
4;
.
Remove needle or other approved pressure feed device and seal; and
1
Pressure tested seams are recorded an Daily Progress Reports.

9