Engineering Estimate for Road Items: Auguest 2013

We believe we can add reliable information on your preparation of a reasonable bidding quotation. We give you a reference “current” reasonable price (All material, labor, and equipment base price preferred in Addis). We are showing you the Engineering Estimates for the Direct rate for Road Construction..

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NB:1.  this cost is only for your reference. And Profit Loss and over Head are not part of this Estimate this is only Direct Rate. 

Bill No. 2 – Clearing and Grubbing
This Division covers the clearing of the Site and grubbing necessary for the construction of the Works covered by the Contract, in accordance with these Specifications, and the removal and disposal of materials resulting from clearing and grubbing. This work shall also include the preservation from injury or defacement of all vegetation and objects designated to remain. [ERA 2002]

Item No.Item DescriptionUnit Rate 
201.01Clearing and grubbingha  38,975.92
21.05Removal and grabbing of large trees and tree stumpsNo    2,500.00
21.04 Removal and storage of selected vegetationPS 35% 

Bill No. 3 – Drainage
“Scope This Division covers all work in connection with the excavation and construction of open
drains, subsoil (Subsurface) drainage, and banks and dykes at the locations and to the sizes,
shapes, grades, and dimensions as shown on the drawings or as directed by the engineer, and
the test flushing of subsoil drains.
It also covers the cleaning of open drains and the repairing of subsoil (Subsurface) drainage.
In special circumstances, this work may be executed outside the road reserve.
It also covers the clearing of existing culverts, including amongst others the removal of all
undesirable materials that have accumulated in and around Inlet and outlet structures and in
the barrels of the culverts. [ERA 2002]”

Item No.Item DescriptionUnitRate
31.01Drains  
    
32.01Excavations;  
32.01a(iv)Soft material irrespective of depthm341.1132
32.01(b)excavation of hard material irrespective of depthm3259.171
    
32.02Backfilling  
32.02(a)Using excavated materialm3191.731
32.02(b)Using imported selected granular materialm3336.71
    
32.03Concrete pipe culverts  
32.03(ii)(1)Concrete pipe on Class B bedding, nominal diameter 760mmLm3056.4
32.03(ii)(2)Concrete pipe on Class B bedding, nominal diameter 910mmLm2987.48
32.03(ii)(3)Concrete pipe on Class B bedding, nominal diameter 1060mmLm3965.51
32.03(ii)(4)Concrete pipe on Class B bedding, nominal diameter 1220mmLm4928.11
 Concrete curbLm425.888
 Masonry gutter with a cross-section of (0.8*0.85)Lm2211.25
32.07Cast Insitu concrete and formwork  
32.07(b)Class C concrete including formworksm32859.03
32.07(g)Class A concrete including formworksm33271.38
32.1Steel reinforcement  
32.10(b)High tensile steel reinforcement in Culverts (Grade 60)ton41443.7
34(01)Stone Pitching  
34.01(b)(II)Grouted Rubble Pavedwaterwaym3376.712
34.02Riprap  
(a)Packed Riprapm3341.47
34.03Stone Masonry Walls  
34.03(a)Dry stone masonry wallsm3 
34.03(b)Cement mortared stone walls, Class ‘B’m31270.45

Bill No. 4 – Earthworks
This Division covers all work in connection with the preparation of the roadbed, prior to the construction of the embankments or capping layers, and the preparation of the sub-grade prior to the construction of the pavement layers. [ERA 2002]”

Item No.Item DescriptionUnitRate
41.01Removal of unsuitable material   
(b)In layer thickness exceeding 200mmm378.08455
41.03Road bed Preparation and the compaction of Material  
41.03(b)Road Bed Preparation Compaction to 93% of modified AASHTOdensitym237.63063
42.01Cut and Borrow to Fill :  
42.01a(ii)Cut and borrow to fill, compaction to 95% AASHTO T-180m3141.9745
42.01(c)Rock (hard) to fillm3380.7225
42.03Cut to Spoil  material obtained from:  
42.03(a)Common (normal) Excavationm370.57376
42.03(b)Intermediate Excavationm3155.2109
42.03(c)Rock (hard) Excavationm3269.3291
44.05Improved subgrade   
44.05(a)Improved Subgrade G20m3214.2928
44.05(b)Improved Subgrade G7m3194.6724
45.01Furrow ditch lm51.13038

Bill No. 5 – Subbase, Roadbase, and Gravel Wearing Course
“5101 SCOPE
This Division covers the specification of materials for, and the construction of, sub-base pavement layers including the in-situ recycling of existing pavements. [ERA 2002]”

Item No.Item DescriptionUnitRate
5400GRANULAR COURSES  
51.01(a)iGravel subbase layer, 97% MDD, AASHTO T-180m3279.870181
52.01(b)ICrushed Aggregate Base course compacted to 98% of modified AASHTO densitym3750.363494

Bill No. 6 – Bituminous Surfacing
“6101 SCOPE
This Division covers the application of a bituminous prime coat to a prepared pavement layer. [ERA 2002]”

ItemDescriptionUnitUnit Rate (ETB)
6000BITUMINOUS SURFACING  
6100Bituminous prime coat  
61.01Prime coat  
(a)MC-30 cutback bitumenm231.2535883
6400Bituminous Road Bases and Surfacing  
 surface treament m2124.725884
64.0250mm Asphaltic surfacing with (penetration grade 60/70  bitumen   
(a)Continous grading (medium)m2217.934433

Bill 7 – RIGID (CONCRETE) PAVEMENT
“7101 SCOPE
This Division covers the construction of a surface course of Portland cement concrete, with or without reinforcement, and includes, inter alia, the specifications for materials, the placing and compacting of concrete, applying the surface texture, and constructing the joints. [ERA 2002]”

Bill No. 8 – Structures
“8101 SCOPE
This Division provides specifications for the construction of foundations for structures including bridges, retaining walls, boxes, slab culverts, etc. It provides in particular specifications for excavation and backfilling and for the construction of the foundation itself as well as the pile capping slabs or the caisson cover slabs. [ERA 200]”

ItemDescriptionUnitUnit Rate (ETB)
8000STRUCTURES  
    
81.02Excavation for Structures   
(a)Excavation of soft material situated in the following successive ranges:  
i0m to 2m m3225.927
ii2m to 4m m3195.933
(b)Excavation of hard (rock) material irrespective of depthm3467.466
    
81.05Backfilling to Excavation  
(a)Using excavated materialm3330.602
(b) Using imported materialm3 
(b)igranular materialm3417.773
(b)iihand-laid rockfill material between wing wallsm3 
(b)iiihand laid Riprap on the exposed face of backfillm3341.47
    
82.02Formwork for the indicated class of finish  
(a)the concrete footing of abutments and wing walls  
iconcrete footing of abutments and wing wallsm2 
iisoffit of concrete deck slabm2 
(b)Cast Insitu concrete and formwork  
isidewalks in the main slab, Visible part of girder, on abutmentm2 
    
83.01Steel reinforcement for structure  
(a)(i) Mild steel bars (Grade 300)ton38461.2
(b)(ii) High yield stress steel bars (Grade 420)   ton39878.7
    
84.01Cast in situ concrete  
(a)(a) Class C-25 in all superstructure parts, abutment & wing wall foundations and walkways m35138.99
(b)(b) Class C-20 in abutment &wingwalls footing padsm3 
    
87.03Bearings  
(c)Elastomer BearingNo.4914.25
    
87.07Concrete parapetsm1782.41
    
87.19Drainage pipes and weep holes  
(a)Drainage pipes (20 cm internal dia pvc)m/No 
(b)weep holem/No 
    
89.01Stone Masonry Walls  
(a)Cement-mortared stone masonry walls (Class A)m31419.59

Bill No. 9 – Ancillary Works
“9101 SCOPE
This Division covers the construction of gabion walls and aprons for the construction of
retaining walls, lining of channels, revetments, and other anti-erosion structures in accordance with the details shown in the Contract.”

ItemDescriptionUnitUnit Rate (ETB)
9000ANCILLARY WORKS  
91.01Gabions  
91.01(a)(a) Gabion boxes 1m by 1m cube with galvanized wire meshm31364.50834
92.01Delineators, markers and kilometer posts  
(a)Delineator posts/guidepost, reinforced concreteno.364.598652
(c)Kilometer posts, cement concreteno.364.598652
94.01Sign faces with painted background, symbols, lettering and borders in Engineering grade retro-reflective material with signboard constructed from:  
94.01(a)iSign face with area not exceeding 2.0 sq.m fixed on post no.1039.61037
94.01(a)iiSign face with area exceeding 2.0 sq.m but not exceeds 10 sq.m fixed on postno.12475.3244
94.02Sign supports:  
94.02(a)Sign Support/Sign post, Class ‘A’ concreteno.1008.15313
94.03Road Sign Footing     
94.03 (a)Excavation for footing of Sign Support m341.1132138
94.03 (b)Backfilling for footing of Sign Supportm3336.710132
94.03 (c)Class ‘A’ concrete for footing of road sign support m3 3056.75018
9500Road Traffic Markings and Road Studs  
95.01(a) iWhite unbroken 10cm lineKm.5459.44167
95.01(a) iiwhite broken (2.5m dash, 7.5m gap) 10cm lineKm.3546.80833
95.01(b) Yellow unbroken 10cm lineKm.5459.44167
9900SIDEWALK  
99.01(a)Concrete tiles of 50mm thick including the necessary jointing works m2152.837509