1.0 SCOPE
The intension of this method statement is to describe the procedure and
responsibilities of its person which are application of liquid bituminous dam
proofing on sub-structure.
2.0 RESPONSIBILITY
2.1
Project Manager is overall responsible for all aspects of the works /
project.
2.2
The Project Site Engineers are responsible for proper execution,
arrangement, co-ordination & supervision for the quality, safety &
delivery of work.
2.3
Anti-termite subcontractor is the responsible to ensure the delivered
chemical are as per approved materials and it is responsible for proper mixing
and application at site.
2.4
The QA/QC Manager & Engineers shall ensure that execution team is following
this method statement & implementing the site inspection procedures. The QA/QC
Engineers shall monitor, check, control & document the quality of concrete
delivered to site, & the quality of work during the entire duration of casting.
2.5
Safety Engineer or Safety Officer will ensure the implementation of
safety at work site.
3.0
MATERIALS & EQUIPMENT
3.1
Approved
Bituminous Damp proofing Materials.
3.2
Roller
paint
3.3
Recommended
Polyethylene 1000 gauge thick.
3.4
Compressor
in required
3.5
Broom
or brush
4.0
EXECUTION
4.1
Substrate
or concrete blinding should be examine with applicator present and Engineers,
for compliance with all requirements surface smoothness and other condition
affecting of work.
5.0 PREPARATION
5.1
Surface
preparation of blinding, fill voids, seal joints, cracks and apply bond
breakers if required, as recommended by system Manufacture.
5.2
Mask
or otherwise protect adjoining exposed surfaces from being stained, spotted or
coated with water proofing materials. Prevent water proofing materials from
entering and clogging weep holes and drains.
5.3
Applicator
of Liquid Damp proof shall be approved or certified by manufactures
6.0 application
6.1 Application, General
Comply with
Manufacture written recommendation unless more stringent requirements are
indicated or required by protect
conditions to ensure satisfactory performance the system
6.1.1
Apply
additional coat if recommend by manufacture or required to achieve coverage
indicated.
6.1.2
Apply
second coat at right angle direction to first coat.
6.1.3
Allow
each coat of waterproofing to cure, before applying subsequent coats.
6.2 Application for Sub-structure.
6.2.1 Ensure that concrete surface is clean,
smooth and dry.
6.2.2 Ensure that prior to application of
waterproofing all services penetration are completely in place and inspected by
Engineers.
6.2.3 Apply the liquid Damp proof materials
continuously on the blinding surface
area with one Layer and let dry or cure in as per manufacture
recommendation prior to continue the subsequent layer.
6.2.4 Application or termination on MEP embedment
shall be as per approved detail drawing which is recommended by sub-contractor.
6.2.5 When application of damp proof is finish,
engineers should be inspected and approved the application prior to
installation of approved polyethelyne sheet.
6.2.6 Support protection course with spot
application of trowel-grade mastic.
7.0
FIELD QUALITY CONTROL
7.1
Monitor
the materials delivery and application of materials.
7.2
Application
of Damp proof should inspect and approved by Engineers prior screed.
8.0 SAFETY PRECAUTION
8.1
Prime
importance shall be given to safety of personnel and protection utility
Service. It ensures that the personnel involved are thoroughly aware of the
company Safety regulation.
8.2
Any
Machineries and Equipment must operate only by well trained and experienced
personnel.
8.3
Protective
clothing and equipment will be necessary and will ensure that any special
protective clothing or equipment required and any signs relating to the wearing
of helmets, eye protection, ear defenders, visibility vest etc., are ordered
and available for use on site and that subcontractors are made aware of any
site requirements, especially for the wearing of safety helmets.
8.4
Instruct
staff in the correct application of hazard chemicals which could cause injuries
to the hands.
8.5
Risk
assessment letter should issue by Safety In-charge before start of activity and
immediately post at the working area during activity.
9.0 Reference Documents
9.1 Project contract specifications
9.2 Project contract drawings general Notes
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