Task 1: Monetary allowance and EOT. Calculate the extension of time that your company is allowed under the Assessment: CON103 Contract Administration for Valuing Building Works Assessment 3, OP, NZ

Task 1: Monetary allowance and EOT

1. Calculate the extension of time that your company is allowed under the Assessment 1 scenario. Use the daily rate you calculated in Assessment 2 Task 4d. Explain why this amount should not be claimed until the very last progress claim.
   
   2. Prepare variation prices for each of the following situations (a-d), ready for submission to the engineer and inclusion in your progress claim.

Note: the overheads and margin as per Assessment 2 are 7.5%.

a. Contract Instruction #4: Provisional Sum Mechanical Compound You are instructed to proceed with the construction of the mechanical compound (slab and fencing only) using the drawing and detail provided at the time of tender with the following amendments. Note, no excavation is required and the DPM has been laid. The platform is a 150mm thick 30mpa concrete slab on the ground (assume 665 mesh at $18.50/m2). The compound is three-sided, open to the external wall cladding, not four-sided as shown on the drawing (no gate). One bay has been deleted. Overall dimensions are confirmed as 1800 wide x 3257 long.

b. Contract Instruction #5: Provisional Sum Metal Handrails We confirm our earlier written advice to proceed with the installation of a handrail as per drawing D1, along Gridline A (between Grid 2-6), Gridline F (between grids 6 8), and Gridline 8 (between grids B-C). The agreed rate per meter for the supply and installation of barriers is $25.27.


c. Contract Instruction #6: PC Sum for Floor Tiles Concerning your RFI #14, the client has approved the recommended floor tiles to the Mechanical Plant Enclosure with a unit rate of $112.50/ m2 plus GST.

d. Contract Instruction #7: Provisional Sum Carpark Scope of the car park area is confirmed as the Service Yard Enclosure. 30mm asphalt over 125mm thick base course of GAP7, over 350mm thick compacted GAP40 hard fill. The site has previously been cleared of vegetation. Allow stripping of topsoil, etc. to 400mm deep.