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In: Civil Engineering

What inspections are performed related to the formwork, rebar and concrete placement? For each inspection, indicate:...

What inspections are performed related to the formwork, rebar and concrete placement? For each inspection, indicate: Who performs the inspection?What does each inspection check? What specific requirements need to be satisfied to pass the inspection

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Expert Solution

1. Inspections performed-

  • Inspections performed for the formwork are-
  1. Installation of formwork as per the given on-site drawings.
  2. Installation of formwork in plumb.
  3. Ensure strength of material used for formwork.
  4. Bracing, struts, props of formwork ensure strength and properly installed to bear the load while placing concrete.
  5. Shores installed to avoid displacement.
  6. Proper provision for the movement of employees/labors is provided for operations carried out during placing concrete.
  7. Bolting and nutting is properly done to provide sufficient support.
  8. Checking of camber.
  • Inspections performed for the rebaring are-
    1. Steel grading is properly provided as per specificatins.
    2. Cover provided as per drawing.
    3. Bar diameter and placing done as per on site drawing provided.
    4. All reinforcement placing and bending should be as per Bar bending schedule (BBS)
    5. Cuting and bending is done properly.
    6. Adequate lap length is maintained as per standards at required places.
    7. Dowels provided properly .
    8. Bars properly tied and supported for avoiding displacement.
    9. Reinforment corrosion should be checked.
  • Inspections performed for the concrete placing are-
    1. Proper oiling, greasing, cleaning of formwork to be done before placing of concrete.
    2. All tests of concrete mixed design to
    3. Concrete mixed design and materials are provieded as per approved specifications.
    4. Proper sealing of formwork.
    5. Location of joints provided as per drawings.
    6. Water cement ratio is maintained as per specs.
    7. Vibration while placing concrete to be provided properly to avoid issues like honey-combing.
    8. Conduits, Ducts, Holes provided before placing concrete.
    9. Concrete casting and curing done as per approved method.
    10. Inspection points of formwork and rebaring also should be checked before concrete placing.

2. Inspections done by-

  1. Inspections performed for the formwork is done by formwork supervisor, site engineer or senior engineer or combined.
  2. Inspections performed for the rebar is done by reinforcement supervisor, site engineer or senior engineer or combined.
  3. Inspections performed for the concrete placing is done by concrete work supervisor, site engineer or senior engineer or combined.

3. Checking done at site before or at the time of execution of work ensures-

  • Formwork- Proper erection of formwork as per given drawings and specs.
  • Rebaring- Strength and spacing of reinforcement.
  • Concrete placing- Quality control, greater strength and durability of the structure

4. Specific requirements need to be satisfied to pass the inspection are-

  • All the works are carried out as per approved drawings.
  • Materials used should be as per approved specifications.
  • Quality of the materials should be satisfactory.
  • Required tests on materials used have been carried out and has optimum test results.
  • Approved methodology is used to carry out the work.
  • Work is been executed under proper supervision.

Summary- Ensure strength of material used for formwork. Inspections performed for the formwork is done by formwork supervisor, site engineer or senior engineer or combined.

Ally Wells answered 1 year ago
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