Civil war-Day 16-Oct 10-PWD-Estimation

“Courtyard” is not considered in which of the following estimates?

• Approximate quantity method

• Unit rate estimate
• Lump sum estimate
• Plinth area estimate

Answer explanation

In the plinth area estimate, the courtyard and open spaces are excluded as only the covered area is considered.

During tender submission, the contractor should deposit —————— as a guarantee of the tender.

• Security deposit
• Earnest money
• Caution deposit
• None of the above

Answer explanation

The earnest money deposit (EMD) is paid by the contractor when submitting the tender as a sign of commitment.

Choose the correct statement:

• The amount deposited by the contractor while submitting the tender is called security deposit
• Earnest Money Deposit (EMD) has to be deposited only by the contractor whose tender is accepted by the client
• If the lowest quoted contractor refuses to take up the work, his EMD will be forfeited by the client
• Security deposit is refunded to the contractor soon after completing the project

Answer explanation

If the lowest bidder refuses to take up the work, his Earnest Money Deposit (EMD) is forfeited by the client.

Estimate expected to be least accurate is:

• Supplementary estimate
• Plinth area estimate
• Detailed estimate
• Revised estimate

Answer explanation

The plinth area estimate is the least accurate because it is based only on the average cost per square metre.

For laying or paving 400 sq.m area using 20 cm × 20 cm size paving tiles, the number of tiles required will be

• 10000
• 1000
• 400
• 4000

Answer explanation

Area of one tile = 0.2 × 0.2 = 0.04 sq.m. Number of tiles = 400 / 0.04 = 10,000 tiles.

Weight of 12 mm dia steel bar per running meter is

• 0.617 kg
• 0.789 kg
• 0.888 kg
• 0.698 kg

Answer explanation

Theoretical unit weight of steel bar = d² / 162. For 12 mm bar, (12² / 162) = 0.888 kg/m.

The specification of earth work in foundation trenches, drains, etc., lift ordinarily specified is

• 0 m
• 1.5 m
• 5 m
• 3 m

Answer explanation

Standard lift in earthwork for foundation trenches or drains is 1.5 m.

In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and:

• 2 Times of Breadth of the wall

• Half breadth of wall on each side
• One fourth breadth of wall on each side
• None of these

Answer explanation

In the long and short wall method, the length of the long wall = centre to centre distance + half breadth of wall on each side.

Honey comb brick wall is measured in

• Metres
• Square metres
• Cubic metres
• Number

Answer explanation

Honeycomb brick wall is measured in square metres since it is based on surface area, not volume.

In detailed estimate, the provision for contingencies is usually

• 1%
• 3% to 5%
• 10%
• 12% to 50%

Answer explanation

In a detailed estimate, a provision of 3% to 5% is made for contingencies to cover unforeseen expenses.