Page 148 - Microsoft Word - 20120528 Unesco study

Step 3: Applying of the RoadCem and Cement
The step is strongly depending if the dosages RoadCem & cement and the dimensions of the
pavement construction. In the following table is an example given for the calculations, based
on clay soil.

Materials (DESCRIPTION): AMOUNT UNIT COSTO COST IN MEXICAN PESOS
Construction Sand 0,05040 m3 $ 285,71 $ 14,40
COST IN MEXICAN PESOS FOR Materials $ 14,40

Stabilization basic with roadcem AMOUNT UNIT COSTO COST IN MEXICAN PESOS
Bulk Grey Cement 200,00000 KG $ 1,70 $ 340,00
Water pipe (not potable) 0,30000 m3 $ 50,00 $ 15,00
ROADCEM 2,00000 KG $ 396,00 $ 792,00
Crew No 27 (1.00 Oficial + 7 laborer) 0,00444 wage $ 2.948,05 $ 13,09
Grader 14-H, de 215 hp, motor CAT 3306 0,10000 hour $ 788,87 $ 78,89
Soil Compactor with drum vibratory rammers CP563C
Caterpillar 145-hp and 11,700 tons of operating 0,10000 hour $ 442,42 $ 44,24
weight with 2.13 m wide drum
addition $ 1.283,22
AMOUNT 1,00000
COSTS IN MEXICAN PESOS FOR CONSTRUCTION $ 1.283,22

Survey: AMOUNT UNIT COSTO COST IN MEXICAN PESOS
Topography basic with equipment. m2
Lime 0,00500 bulto $ 29,00 $ 0,14
Bar / stakes 0,01500 pza. $ 5,00 $ 0,08
electric transit Includes topographer and rodman 0,01000 hora $ 340,89 $ 3,41
addition $ 3,64
AMOUNT 4,00000
COST IN MEXICAN PESOS for Auxiliars $ 14,56

TOTAL COSTS
Direct cost $ 1.312,18
Indirect 6,47% $ 84,90
Field indirect 4,00% $ 52,49
Subtotal $ 1.449,56
Funding 0,25% $ 3,62
Subtotal $ 1.453,19
Utility 10,53% $ 153,02
Additional Charges 0,50% $ 7,27
U N I T A R Y C O S T [M3] $ 1.613,47
Table 14: Example calculation unitary costs step 3

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