Page 142 - Microsoft Word - 20120528 Unesco study

Step 4: Applying of the Sub-base

4 APPLYING OF THE SUB-BASE
Subgrade material AMOUNT UNIT COSTO COST IN MEXICAN PESOS
Subbase material 1,00000 m3 $ 157,00 $ 157,00
Water pipe (not potable) 0,10000 m3 $ 50,00 $ 5,00
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 $ 298,22
AMOUNT 1,00000
COSTS IN MEXICAN PESOS FOR CONSTRUCTION $ 298,22

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 Survey $ 14,56

TOTAL COSTS
Direct cost $ 312,78
Indirect 6,47% $ 20,24
Field indirect 4,00% $ 12,51
Subtotal $ 345,53
Funding 0,25% $ 0,86
Subtotal $ 346,39
Utility 10,53% $ 36,47
Additional Charges 0,50% $ 1,73
U N I T A R Y C O S T [M3] $ 384,60
Table 6: Unitary costs step4

The costs per construction are summarized in the following table.

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

Roadtype 1: Highways $ 96,15 $ 96,15 $ 115,38 $ 115,38
Roadtype 2: Primary roads $ 96,15 $ 96,15 $ 115,38 $ 115,38
Roadtype 3: Secondary roads $ 96,15 $ 96,15 $ 115,38 $ 115,38
Roadtype 4: Rural roads $ 96,15 $ 96,15 $ 115,38 $ 115,38
Roadtype 5: Access roads $ 96,15 $ 96,15 $ 115,38 $ 115,38

2
Table 7: Summarized construction costs step 4 in Mexican Pesos per m

96