1.1.1-1
Strip foundations
Component Information
- Code:
- 1.1.1-1
- Sequence:
- 1
- Unit:
- m
- Sub-Element:
- 1.1.1 - 1 Standard foundations
Strip foundations
details, including depth of foundation, to be stated
Component Statistics
Measurement Rules
Included Items
Excluded Items
Measurement Rules (8)
Where components are to be enumerated, the number of components is to be stated
The linear length of components is measured on the centre line of the component
The volume of contaminated material measured for disposal is the surface area of the contaminated material multiplied by the average depth of the contaminated material
Quantity given for disposal is the bulk before excavating,and no allowance is made for subsequent variations to bulk or for extra space to accommodate earthwork support
Other cost-significant components are to be described and identified separately. Such components are to be measured by area (m2) or linear measurement (m),or enumerated (nr) separately in accordance with the rules of measurement for this sub-element
Curved work is to be described and identified separately
Work to existing buildings is to be described and identified separately
Where the contractor is only responsible for designing specific elements and/or components of the building project (i.e. not the entire building project), contractor-designed work is to be described and identified separately.
Included Items (20)
Wall and column foundations.
Foundation walls to underside of damp-proof course (to both perimeter and internal load bearing walls).
Isolated pad foundations.
Trench and pit excavations,including earthwork support (including insertion and extraction of steel sheet piling if used).
Excavating below groundwater level.
Breaking out surface materials (e.g. hardstandings, pavements, etc.).
Note: where no information relating to the ground conditions is available, an allowance is to be made within the construction risk allowance for the extra cost of removing unforeseen obstructions and dealing with unknown ground conditions.Disposal of excavated material, including tipping charges and landfill tax (including inert, non-hazardous and hazardous material where not to be carried out as facilitating works).
Note: where no contamination/remediation strategy report exists, an allowance is to be made within the construction risk allowance for the extra cost of disposing of contaminated material.Disposal of surface water and groundwater, where dewatering techniques not employed.
Consolidating and compacting formation level to receive foundations.
Consolidating and compacting formation level to receive foundations.
Blinding.
Specialist concrete grades,including waterproof concrete and additives.
Brickwork and blockwork walling, including air/ventilation bricks, etc.
Forming cavities, including wall ties.
Filling cavities.
Thermal insulation of cavities.
Damp-proof courses.
Service ducts, etc. through foundation walls.
Sundry items.
Where works are to be carried out by a subcontractor, the subcontractor’s preliminaries, design fees, risk allowance, overheads and profit, with allowance for these to be made within unit rate applied to element or component.
Excluded Items (15)
Raft foundations, etc. (included in sub-element 1.1.3).
Foundations to temporary accommodation (included in group element 10).
Forming new contours to the site (included in sub-element 8.1.2).
Cultivating and final grading of soil for seeding, turfing or planting (included in element 8.3, as appropriate).
Pile caps and ground beams (included in sub-element 1.1.2).
Base slab/bed construction,including damp-proof membranes (included in sub-element 1.1.3).
Basement excavation (included in sub-element 1.1.4).
Piles (included in sub-element 1.1.2).
Basement retaining walls (included in element 1.1.5).
Columns (i.e. portion below base slab/bed – included in element 2.1, as appropriate).
Drainage (included in sub-elements 1.1.3 or 8.6.1,as appropriate).
Dewatering (included in sub-element 0.4.1).
Soil stabilisation (included in sub-element 0.4.2).
Removing contaminated ground material, where carried out as facilitating works (included in sub-element 0.1.2).
Treatment of contaminated ground material, where carried out as facilitating works (included in sub-element 0.1.2).
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