Question

Using gross labour rates of R5,00 per hour for craftsmen and R2,00 per hour for labourers, and the prices of materials given below, work up the following rates:

1. Cement mortar (1:4) hand-mixed …per cubic metre.

2. Cement lime mortar (1:2:9), machine-mixed …per cubic metre.

3. (a) Half-brick wall in common bricks in

mortar (1:4) …per square metre.

(b) Ditto fair-faced and pointed both sides …per square metre.

4. Bituminous felt DPC 115mm wide …per linear metre.

5. Clinker concrete hollow block partition 225mm

thick in cement lime mortar (1:2:9) …per square metre.

6. (a) Hole for 25mm pipe through 225mm brick

wall …each.

(b) Hole for 100mm pipe through 115mm brick

wall and make good facings both sides …each.

(c) Hole for 150mm pipe through 225mm

concrete block …each.

7. Extra over common brickwork for 70mm facing

bricks in Flemish bond, the joint raked out and

pointed with coloured cement mortar …per square metre.

8. One-brick wall in 75 mm facing bricks in English

bond in cement mortar (1:4), fair-faced and pointed

both sides as the work proceeds …per square metre.

PRICE OF MATERIALS (for tuition purposes only) R C

• 225mm salted-glazed stoneware drain-pipe per linear metre 1.70
• 225mm bend each 1.25
• Cement mortar for drain-pipes per cubic metre 48.00
• Coloured cement mortar per cubic metre 54.00
• Portland cement per pocket (50 kilogram) 6.00
• Sand per cubic metre 3.50
• 70mm steel blues per thousand 250.00
• Mazista slates per thousand 150.00
• Composite nails per kg 0.50
• 35 x 20mm battens per 10 linear metres 3.00
• 420 x 333mm tiles per thousand 215.00
• Sheet lead per kilogram 0.50
• 225 x 225mm quarry tiles per hundred 26.00
• 150 x 150mm coved tiles each 0.15

Answer 1