Subcontractor Bill Variation Process:

How do we process variation in subcontractor bills?

  1. Identify Changes in Drawings.
  2. Get cost approval from client.
  3. Prepare Measurement sheet.
  4. Add that approved variation in next RA bill.

Now i will explain each point one by one shortly.

1.Identify Changes in Drawings.

Check changes in:

  • Dimensions
  • Specifications
  • Quantity increase or decrease.

2.Get Cost Approved from Client:

  • Prepare estimated cost impact
  • Submit to:
  • Client / PMC /  Consultant
  • Take written approval
  • Email / Signed document
  • Never rely on verbal instruction

3.Prepare Variation Sheet:

  1. Description of work
  2. Approved drawing reference     
  3. Quantity (Increase / Decrease)
  4. Rate (BOQ / Analysis)
  5. Attach:
  6. Calculation sheets     

4.Add in Next RA Bill After Approval

Add only approved variations           

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