Page 149 - Microsoft Word - 20120528 Unesco study

The results are summarized in in the following table.

Soil type 1: Organic clays Soil type 2: Clay Soil type 3: Sandy clay Soil type 4: Sand Old construction

Roadtype 1: Highways $ 543,33 $ 451,77 $ 383,31 $ 333,77 $ 316,37
Roadtype 2: Primary roads $ 525,80 $ 435,64 $ 368,57 $ 320,42 $ 303,72
Roadtype 3: Secondary roads $ 578,38 $ 484,04 $ 412,80 $ 360,47 $ 341,68
Roadtype 4: Rural roads $ 543,33 $ 451,77 $ 383,31 $ 333,77 $ 316,37
Roadtype 5: Access roads $ 508,27 $ 419,50 $ 353,83 $ 307,07 $ 291,06
Table 15: Summarized construction costs step 3 in Mexican Pesos per m
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Step 4: Curing
The Curing of the RoadCem cement layer is essential to reach the required quality of the
construction. Especially by high temperatures, wind and low humidity, the RoadCem cement
layer could easily dry out. Since the importance is the curing given by an additional step. In
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table 3.34 are the costs for the curing extended per m stabilization.

Materials (DESCRIPTION): AMOUNT UNIT COSTO COST IN MEXICAN PESOS
Water pipe (not potable) 0,02500 m3 $ 50,00 $ 1,25
COST IN MEXICAN PESOS FOR Materials $ 1,25

Labor (description): AMOUNT UNIT SALARIO COST IN MEXICAN PESOS
Crew No. 1 (1.00 Assistant) wage
Assistant 1,00000 wage $ 294,05 $ 294,05
Specialized foreman (cape) 0,20000 wage $ 949,47 $ 189,89
Minor tools 0,03000 (%)labor $ 483,94 $ 14,52
Factor of safety equipment 0,05000 (%)labor $ 483,94 $ 24,20
addition $ 522,66
EFFICIENCY 1.000,00000
COST IN MEXICAN PESOS for labor: $ 0,52

TOTAL COSTS
Direct cost $ 1,77
Indirect 6,47% $ 0,11
Field indirect 4,00% $ 0,07
Subtotal $ 1,96
Funding 0,25% $ 0,00
Subtotal $ 1,96
Utility 10,53% $ 0,21
Additional Charges 0,50% $ 0,01
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U N I T A R Y C O S T [m ] $ 2,18
Table 16: Unitary costs step 4 in Mexican Pesos

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