#1 Flashcards
What do quantity surveyors do?
Understand the conditions of the contract and other preliminaries required for building works
Estimate quantity and cost of building works
Develop bill of quantities, project cost, the program of works, and filling-out of Bid Forms
Basic knowledge in quantity surveying
Tender and contract documents
Standard method of measurement of building works
calculating quantity of resources (manpower, materials, money, equipment) required for building works
quantity take off from plans
What is the bill of quantities?
Document used in tendering in the construction industry. It shall fully describe the materials and workmanship. Those that cannot be accurately measured shall be described as provisional.
Parameters of the format of the bill of quantities
S.R. No
Name of Item
Quantity
Unit
Rate
Per
Amount (Rs)
Total
Principles of Measurement
The Standard Method of Measurement provides a uniform basis of measurement.
apply equally to both proposed and executed work
measured net as fixed in its place
Units of measurement
Items given by volume – cubic meter (m3)
Items given by area – square meter (m2)
Items given by length – linear meter (m)
Items enumerated – number (No)
Items given by weight – kilogram (kg)
ton - (t)
5mm and over = 10mm and <5mm shall be disregarded.
Each measurement shall be taken to the nearest 10mm. This rule shall not apply to any dimensions stated in descriptions.
Where the unit of billing is in linear meter, square meter, and cubic meter, quantities shall be billed to the?
Nearest whole unit. Fractions of a unit less than half shall be disregarded and other fractions regarded as a whole unit.
Where the unit of billing is in kilograms, quantities shall be billed to?
The nearest whole unit. Fractions of a unit less than half shall be disregarded and other fractions regarded as a whole unit.
Where the unit of billing is in ton, quantities shall be billed to ?
The nearest two places of decimals.
Where the application of the unit of billing in linear meter, kg, or a ton would cause the entire item to be eliminated, such item shall be
Enumerated stating the size or the weight as appropriate.
What are the sums provided for work or costs which cannot be entirely foreseen at the time of tender
Provisional sums
What are the sums provided for work or services to be executed by a nominated sub-contractor, government, or statutory authority or for the materials or goods to be obtained from a nominated supplier? Where such sum shall be deemed to be exclusive of profit or attendance required by the main contractor and provision shall be made for the addition thereof.
Prime cost sums
dimensions order
length
width
height
Description of Works and Inclusions
Labor and all costs in connection therewith
Materials and goods including materials required for lapping, jointing, etc., and all costs in connection therewith such as conveyance, unloading, packing, etc.
Waste of materials
All cutting and waste
Use of plant and all costs in connection therewith
Established charges, overhead charges, and profit