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Estimated Costs for Road Construction - Desklib

Sawcut, excavate and dispose of all soil, vegetation and redundant concrete and asphalt structures; Supply and construction of 1.5m wide Type 1 concrete footpaths, noting that existing path shown on sheet 8 of the drawings to be disposed of and renewed as part of the contract; Supply and construct pram crossings as per IDM SD200; Supply and construct B2 kerb and channel outstands as per IDM SD100 and SD130: Kerb to be reinstated as per IDM SD130 with minimum 250mm compacted depth Class 2 FCR with 30mm compacted depth Tyne N Size 10 Asphalt. Supply and construct 150mm thick 32MPa mountable concrete apron with 2 layers of SL72 as specified in the drawings at the intersection of Wood Street and Cansick Street. Concrete apron to be constructed with M2 industrial kerb with the existing B2 kerb to be renewed. Supply and construct new lintel with Terra Firma pit lid or approved equivalent; Supply and install heavy duty cast iron kerb adaptors ensuring all properties are connected; Supply, bed and backfill 225mm dia. Class 4 RRJ RCP; Supply and install new Side Entry Pits and break into and modify existing pits as required to achieve the design; Supply and installation

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Added on  2023-06-10

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This article provides an estimate of the costs involved in road construction, including site establishment, engineering services, earthworks, drainage works, and more. It includes a detailed breakdown of the costs for each item, along with the unit, quantity, rate, and total cost. The article also mentions the course code, course name, and university name. Check out Desklib for more details.

Estimated Costs for Road Construction - Desklib

Sawcut, excavate and dispose of all soil, vegetation and redundant concrete and asphalt structures; Supply and construction of 1.5m wide Type 1 concrete footpaths, noting that existing path shown on sheet 8 of the drawings to be disposed of and renewed as part of the contract; Supply and construct pram crossings as per IDM SD200; Supply and construct B2 kerb and channel outstands as per IDM SD100 and SD130: Kerb to be reinstated as per IDM SD130 with minimum 250mm compacted depth Class 2 FCR with 30mm compacted depth Tyne N Size 10 Asphalt. Supply and construct 150mm thick 32MPa mountable concrete apron with 2 layers of SL72 as specified in the drawings at the intersection of Wood Street and Cansick Street. Concrete apron to be constructed with M2 industrial kerb with the existing B2 kerb to be renewed. Supply and construct new lintel with Terra Firma pit lid or approved equivalent; Supply and install heavy duty cast iron kerb adaptors ensuring all properties are connected; Supply, bed and backfill 225mm dia. Class 4 RRJ RCP; Supply and install new Side Entry Pits and break into and modify existing pits as required to achieve the design; Supply and installation

   Added on 2023-06-10

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Solution
Estimated Costs for road construction
Site establishment
Item Particulars Unit Quantity Rate Total
cost
1 Environmental policy fee
Hire for motor grader
Hire asphalt mixing plant
Hire road roller machine
Engineering report on adjoining
properties Dilapidation
Contract work insurance(0.35% of
contract)
Kerbs and footpath deposit bond
No
Days
Days
Days
No
Percentage
No
1
30
10
20
1
0.35%
1
$500
$500
$500
$500
$800
$2000000
$2500
$500
$15000
$5000
$10000
$800
$7000
$2500
Total $40,800
Engineering services and testing
Estimated Costs for Road Construction - Desklib_1
Item Particulars Unit Quantity Rate Total
cost
2 Engineering fee
Consultant fee
Design and drafting (concept, Arch and
structure)
Contours and feature survey
Compaction Tests
Proctor test
California Bearing Ratio (CBR) Test
DUCTILITY AND SOFTENING POINT OF
BITUMEN
AGGREGATE IMPACT VALUE
No
No
No
No
No
No
No
No
1
1
1
1
1
1
1
1
$500
$300
$6000
$1000
$50
$50
$50
$50
$500
$300
$6000
$10000
$50
$50
$50
$50
Total $17,000
Total $22500
Earth work
Estimated Costs for Road Construction - Desklib_2
Bulk excavation for general site preparation
Drainage
Ite
m
Particulars Unit Quantit
y
Rate Total
cost
3 Bulk excavation m3 150 $1500 $22500
Overall bulk area of excavation (plus working
space) = (12.83 + 4.08 + 2.00) x (11.87 +
2.00)
= 18.91 x 13.87 = 262.28
Estimated depths at corners: NE – 0.69m,
NW - 0.55m, SE – 0.50 and SW – 0.45)
Average depth = (0.690 + 0.54 + 0.45 +
0.40)/4 = 0.55m
Volume of bulk excavation = area x depth
= 262.28m2 x 0.55m = 144.25
Assume that only one side is battered =
18.91m x 1.0m wide x 0.55m = 10.40m3
Since battering is done at 45 degrees, battered
volume is = 0.5 x 10.40 = 5.20
Total volume of bulk excavation = 144.25 +
5.20 = 149.45
Estimated Costs for Road Construction - Desklib_3
Ite
m
Particulars Unit Quantity Rate Total cost
4 A trapezoidal channel having a straight
alignment.
The cross-section is uniform
Design width 10 metres
Slope expected to be 1:1
Channel slope 0.003
Depth of water 5 metres
Calculation discharge
The wetted perimeter = 10 + 2(5 / cos 45°) =
24.1 m.
The cross sectional area = 1/2 x sum of
parallel sides x perpendicular height = 0.5(10
+ 20)(5) = 75 m².
The hydraulic radius = cross sectional area +
wetted perimeter = 75 / 24.1 = 3.1 m.
Manning's n = 0.06
Discharge, Q, using Manning's equation =
(0.06)-1 (75)(3.1)2/3 (0.003)1/2 = 146 m3/sec
Supply of sub soil = $50
Labour 5.00 m3/sec @ $50/m3/s = $250
$300
Installation of 600mm x 600mm Side Entry
Pit
Area = 0.6 m * 0.6 m = 0.36m2
Length of the pit = 1 m
Volume of the pit = 0.36 m3
M3/sec
M3
146
0.36
$300
$300
$43800
$108
Estimated Costs for Road Construction - Desklib_4

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