10. CHECKLIST FOR CHEMICAL WATERPROOFING WITH BRICK BAT

 

10. CHECKLIST FOR CHEMICAL WATERPROOFING WITH BRICK BAT
Name Of Project :
Date of Checking:
Location / Structure:
Drawing / Document Reference No.
Sl. No.	Description / Activities / Items to be Checked	Status
1	Check for the safety process is followed for waterproofing activities.	OK	Not OK
2	Check for approval of work methodology of waterproofing	OK	Not OK
3	Check for approval of Waterproofing system and Chemicals to be used.	OK	Not OK
PRIOR TO CHEMICAL COATING
1	Check for Cleaning of bare slab like removal and cleaning of oil, grease, dead concrete / mortar, dust, any exposed steel, wood pieces, etc.	OK	Not OK
2	Check for Ponding test to be done for 24 hours to find any leakages	OK	Not OK
3	Check for nozzle grouting is done by using of integral waterproof compound with cement slurry if any leakage is observed during Pond test.	OK	Not OK
4	Check for the making of corner batta / hunch filling by cement mortar with mixing of integral waterproofing chemicals.	OK	Not OK
5	Check for availability of material and tools as per procedure /method statement.	OK	Not OK
DURING APPLICATION OF WP CHEMICALS
1	Check and ensured that slab cleaned from dust and other particles	OK	Not OK
2	Check Mixing of polymer base Chemical and cement with proper proportions by mechanical stirrer as per manufacturer guidelines before ready to use on substrate.	OK	Not OK
3	Check application of 1 st coat of polymer base chemical on substrate as per manufacturer guidelines.	OK	Not OK
4	Check application of 2 nd coat or subsequent coat after 4hrs perpendicular in the direction of 1st coat.	OK	Not OK
5	Check chemical application minimum up to the required height as per project specification.	OK	Not OK
6	Check for the consumption of chemicals as per methodology.	OK	Not OK
7	Check Sprinkling of sand over the 2nd coat of chemical for mechanical bonding with protection coat of plaster.	OK	Not OK
AFTER APPLICATION OF WP CHEMICAL
1	Check Pond Test for 48hrs after drying chemical coat.	OK	Not OK
2	Ensure no leakage & damage on waterproof surface	OK	Not OK
DURING BRICK BAT
1	Laying 15-20mm thick cement sand mortar of 1: and admixed with integral waterproofing compound @200ml/bag of cement or as per manufacturer’s guidelines as a base mortar for Brickbats	OK	Not OK
2	Ensure laying min.75mm thick brick bats of varying sizes over the mortar in a gradient of 1:150 with varying thickness as per site condition.	OK	Not OK
3	Is the Brick bats pre-wetted before laying	OK	Not OK
4	Is the minimum half portion of brickbats should be immersed in mortar and staggered joint between two brickbats	OK	Not OK
AFTER BRRICK BAT
1	Check the curing for 7days
2
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