Answer :
## Tender Document for Constructing a Brick Boundary Wall
Client Requirements:
- Construct a brick boundary wall of 165 meters long and 1.8 meters high.
- The Bill of Quantities provided by the client includes specific quantities for different items of work required for the construction.
### Bill of Quantities
Below is a detailed breakdown of the quantities calculated for the items specified in the tender document:
1. Strip Depth on Site:
- Description: Store and prepare strip with an average depth of 0.15 meters onsite.
- Unit: Square meters ([tex]$m^2$[/tex])
- Quantity: 66 [tex]$m^2$[/tex]
2. Excavate for Footing:
- Description: Excavate for footing with a depth of 0.5 meters and a width of 0.4 meters.
- Unit: Meters (m)
- Quantity: 165 meters
- Calculated Volume: [tex]\( 165 \text{ meters} \times 0.5 \text{ meters} \times 0.4 \text{ meters} = 33 \text{ cubic meters} (m^3) \)[/tex]
3. Concrete to Footings:
- Description: Provide concrete to footings with dimensions 0.5 meters deep and 0.4 meters wide.
- Unit: Cubic meters ([tex]$m^3$[/tex])
- Quantity: 33 [tex]$m^3$[/tex]
4. Brickwork Wall:
- Description: Construct a brickwork wall with a thickness of 0.22 meters.
- Unit: Square meters ([tex]$m^2$[/tex])
- Quantity: 297 [tex]$m^2$[/tex]
5. Spread Topsoil Around Base of the Wall (Inside Property):
- Description: Distribute topsoil around the base of the wall inside the property.
- Unit: Cubic meters ([tex]$m^3$[/tex])
- Quantity: 9.9 [tex]$m^3$[/tex]
### Allowable Unit Costs and Selling Prices
For the purpose of preparing the tender document, we will assess allowable unit costs and include profit mark-ups to produce the final selling prices.
- Strip Depth on Site (66 [tex]$m^2$[/tex])
- Allowable unit cost: [tex]$X per $[/tex]m^2
- Total cost: [tex]$66X - Profit mark-up: $[/tex]Y
- Selling price: [tex]$(66X + Y)$[/tex]
- Excavate for Footing (33 [tex]$m^3$[/tex])
- Allowable unit cost: [tex]$A per $[/tex]m^3
- Total cost: [tex]$33A$[/tex]
- Profit mark-up: [tex]$B$[/tex]
- Selling price: [tex]$(33A + B)$[/tex]
- Concrete to Footings (33 [tex]$m^3$[/tex])
- Allowable unit cost: [tex]$C per $[/tex]m^3
- Total cost: [tex]$33C$[/tex]
- Profit mark-up: [tex]$D$[/tex]
- Selling price: [tex]$(33C + D)$[/tex]
- Brickwork Wall (297 [tex]$m^2$[/tex])
- Allowable unit cost: [tex]$E per $[/tex]m^2
- Total cost: [tex]$297E$[/tex]
- Profit mark-up: [tex]$F$[/tex]
- Selling price: [tex]$(297E + F)$[/tex]
- Spread Topsoil (9.9 [tex]$m^3$[/tex])
- Allowable unit cost: [tex]$G per $[/tex]m^3
- Total cost: [tex]$9.9G$[/tex]
- Profit mark-up: [tex]$H$[/tex]
- Selling price: [tex]$(9.9G + H)$[/tex]
### Preliminary and General Pay Items
In addition to the quantities and unit costs, we must consider preliminary and general pay items, which may include:
- Site setup and mobilization
- Site management and supervision costs
- Safety measures and compliance
- Miscellaneous expenses
These items should be estimated and included in the total cost.
### Completion of the Bill of Quantities
Once all the unit costs, profit mark-ups, and preliminary items are determined, they can be included in the final Bill of Quantities to complete the tender document.
### Conclusion
By compiling all the quantities and applying the allowable unit costs and profit mark-ups, the tender document will provide a comprehensive and competitive price for the construction of the brick boundary wall as required by the client. Ensure all calculations and mark-ups are appropriately documented and justified in the final submission.
Client Requirements:
- Construct a brick boundary wall of 165 meters long and 1.8 meters high.
- The Bill of Quantities provided by the client includes specific quantities for different items of work required for the construction.
### Bill of Quantities
Below is a detailed breakdown of the quantities calculated for the items specified in the tender document:
1. Strip Depth on Site:
- Description: Store and prepare strip with an average depth of 0.15 meters onsite.
- Unit: Square meters ([tex]$m^2$[/tex])
- Quantity: 66 [tex]$m^2$[/tex]
2. Excavate for Footing:
- Description: Excavate for footing with a depth of 0.5 meters and a width of 0.4 meters.
- Unit: Meters (m)
- Quantity: 165 meters
- Calculated Volume: [tex]\( 165 \text{ meters} \times 0.5 \text{ meters} \times 0.4 \text{ meters} = 33 \text{ cubic meters} (m^3) \)[/tex]
3. Concrete to Footings:
- Description: Provide concrete to footings with dimensions 0.5 meters deep and 0.4 meters wide.
- Unit: Cubic meters ([tex]$m^3$[/tex])
- Quantity: 33 [tex]$m^3$[/tex]
4. Brickwork Wall:
- Description: Construct a brickwork wall with a thickness of 0.22 meters.
- Unit: Square meters ([tex]$m^2$[/tex])
- Quantity: 297 [tex]$m^2$[/tex]
5. Spread Topsoil Around Base of the Wall (Inside Property):
- Description: Distribute topsoil around the base of the wall inside the property.
- Unit: Cubic meters ([tex]$m^3$[/tex])
- Quantity: 9.9 [tex]$m^3$[/tex]
### Allowable Unit Costs and Selling Prices
For the purpose of preparing the tender document, we will assess allowable unit costs and include profit mark-ups to produce the final selling prices.
- Strip Depth on Site (66 [tex]$m^2$[/tex])
- Allowable unit cost: [tex]$X per $[/tex]m^2
- Total cost: [tex]$66X - Profit mark-up: $[/tex]Y
- Selling price: [tex]$(66X + Y)$[/tex]
- Excavate for Footing (33 [tex]$m^3$[/tex])
- Allowable unit cost: [tex]$A per $[/tex]m^3
- Total cost: [tex]$33A$[/tex]
- Profit mark-up: [tex]$B$[/tex]
- Selling price: [tex]$(33A + B)$[/tex]
- Concrete to Footings (33 [tex]$m^3$[/tex])
- Allowable unit cost: [tex]$C per $[/tex]m^3
- Total cost: [tex]$33C$[/tex]
- Profit mark-up: [tex]$D$[/tex]
- Selling price: [tex]$(33C + D)$[/tex]
- Brickwork Wall (297 [tex]$m^2$[/tex])
- Allowable unit cost: [tex]$E per $[/tex]m^2
- Total cost: [tex]$297E$[/tex]
- Profit mark-up: [tex]$F$[/tex]
- Selling price: [tex]$(297E + F)$[/tex]
- Spread Topsoil (9.9 [tex]$m^3$[/tex])
- Allowable unit cost: [tex]$G per $[/tex]m^3
- Total cost: [tex]$9.9G$[/tex]
- Profit mark-up: [tex]$H$[/tex]
- Selling price: [tex]$(9.9G + H)$[/tex]
### Preliminary and General Pay Items
In addition to the quantities and unit costs, we must consider preliminary and general pay items, which may include:
- Site setup and mobilization
- Site management and supervision costs
- Safety measures and compliance
- Miscellaneous expenses
These items should be estimated and included in the total cost.
### Completion of the Bill of Quantities
Once all the unit costs, profit mark-ups, and preliminary items are determined, they can be included in the final Bill of Quantities to complete the tender document.
### Conclusion
By compiling all the quantities and applying the allowable unit costs and profit mark-ups, the tender document will provide a comprehensive and competitive price for the construction of the brick boundary wall as required by the client. Ensure all calculations and mark-ups are appropriately documented and justified in the final submission.
