2.1. BUILT-UP RATE FOR EXCAVATION WORK

Trade               : excavator

Element           : excavation

2.1.1. Type Of Excavation Work

i)   Manual – suitable for small project / workii)            Machine – for large and big project

Excavation : MANUAL ( Increase in volume of soil )

TYPE OF SOILPERCENTAGE OF SOIL INCREASING
Sand ( pasir )10 %
Clay ( tanah liat )20 %
Soil ( tanah biasa )25 %
Gravel / batu bata50 %

Table 2: percentage of soil increasing using manual method

Excavation : MACHINE ( No increase needed )

2.1.2. The ELEMENT cost of excavation work

  1. Excavation cost
  2. Transportation cost and disposal the excavation soil cost
  3. Backfill and ramming cost iv)      Levelling of the base excavation cost v)        Planking and strutting cost ( if any )

2.1.3. UNIT using in excavation work

  •   m3=volume
  •   =depth > 300mm
  • m2 =surface excavation : depth < 300mm

2.1.4. STAGES of excavation

  1. Not exceeding 0.25 m deep
  2. Exceeding 0.25 m b.n.e 1.00 m deep iii) Exceeding 1.00 m b.n.e 2.00 m deep SMM 2 iv)   Exceeding 2.00 m b.n.e 4.00 m deep
  3. Added every 2.00 m deep 
BIL.WORK DESCRIPTIONUNITLABOUR WORKING HOUR
1.Excavation in normal soil n.e 0.25m deep. 1.20
2.Excavation in trench n.e 0.25 m deep 1.74
3.Excavation in trench exceeding 0.25 m b.n.e 1.00 m deep 2.61
4.Transit the excavation soil from the site n.e 100 m from site 1.20
5.Backfill the soil in the lorry 1.00
6.Excavate basement n.e 0.25 m deep 1.63
7.Excavate basement exceeding 0.25 m b.n.e 1.00 m deep 3.27
8.Excavate for the fill soil 1.31
9.Excavate for the clay 5.23
10.Excavate for the moving sand 7.84
11.Excavate for the stone 10.45
12.Spread and ramming base level ( hard core ) 100 mm thick 1.31

Table 3 : working hour labour for excavation work (Labour Constant)