Metode Pelaksanaan Pekerjaan Penutupan Dewatering.docx

METHODE OF IMPLEMENTATION OF DEWATERING CLOSING WORK

1. PREPARATION A. PROTECTION OF WELL AREA • Protecting the well area for dewatering work does not interfere with other work. • Provide marks and safety tapes for warnings of nearby workers. B. MATERIAL WORK • SIKA GROUT 215 C. ALAT KERJA • Hammer • Chisel • Injection Machine • Mixer Machine • Bucket • Cement spoon • Machine cutter 2. WORK IMPLEMENTATION A. Implementation of Dewatering Closure Works    

Make concrete balls ± 5 pieces with diameter size adjusted with pipe dewatering. Put all the concrete balls into the dewatering hole. Every 1 meter in the content of coral material. If the coral has reached the working floor (-25cm), it will be implemented closure using

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grouting material sika grout 215. Grouting can be done 2 stages, if the source of water from ex well big enough.