Friday, February 23, 2018

Standard Method of Measurement

Standard method of measurement and measurement in quantity surveying is very important thing because of these are the basic things which is quantity surveyor must practice as professional in construction industry.

Standard Method of Measurement in Quantity Surveying


Introduction; Measurement is use by various stakeholders and construction professional true out the development process to calculate the Quantity of work to be done.

For example:-
⇁ A Quantity Surveyor may calculate they approximate Quantity’ s of work during the design, development stage
⇁ A project manager required
⇁ The purpose of measuring any building work is to establish the correct amount of work to be done. This invoices producing accurate quantity in a way which is comprising, technically accurate and clear in it’s approach at presentation.

Measurement has to basic essential activity’ s.

I. Description
II. Quantification

Description;

Usualy invoice translating information contain or drawings, specification and technical report and communicating that informating accurately.

Quantification;

It is reasonably straightforward. The level of accurately defend on the degree to which the design has been develop and the purpose which measurement has been taken.

Measurement taking Method

There are has a too many method to takeoff measurement; such as SLS 573, SMM7, NRM, POMI, CESMM4, SESMM-SL. These method are used building and civil work. I will explain each one method for you.

SLS 573

This standard method commonly used in Sri Lanka to takeoff measurement in any building work. Sri Lanka did not have a standard method of measurement of building works until 1982. To achieve the uniformity in the method of measurement of building works in the industry. The standard methods of measurement of building work, SLS 573, was introduced in 1982.

Now after twelve years ICTAD has revised this document and Named it as SLS 573, Revision 2003. This research was to identify the differences between the revision and the first SLS 573 and to get the responses of the industry regarding the major changes. In order to get the responses of the industry, questionnares were sent to twenty four consultants and contractors. Also some formats of bills of quantities were studied in order to get the good aspects of them.

SMM7

The standard method of measurement (SMM) is published by the Royal Institute of Charted Surveyors (RICS). It was first published in 1922, superseding a Scottish standard method of measurement which was published in 1915… SMM7 provides detailed information; classification tables and rules for measuring building works.

NRM

The New Rules of measurement (NRM) are published by the Royal Institute of Charted Surveyors (RICS) and prepared by the quantity surveyor and construction professional group. They provide a standard set of measurement rules for estimating, cost planning, procurement and whole-life costing for construction project. Adapting a standard methodology such as NRM facilitates consistency and bench marking and help avoid disputes.

NRM is a suite of documents, comprising three Volumes;

NRM 1; Order of cost estimating and cost planning for capital building works.

NRM 2; Detailed Measurement for building work.

NRM 3; Order of cost estimating and cost planning for building maintenance works.

CESMM4

CESMM 4 Is the Civil Engineering Standard Method of Measurement, Fourth edition. It is published by the Institution of Civil Engineering (ICE). CESMM4 sets out a procedure for the preparation of a bill of quantities for civil Engineering works for contracts based on traditional “Measure and value”principles. The Bill of Quantities enables tenders to be prepared efficiently and can be used to value work completed once the contract has been let.

The Purpose of taking measurement by using standards

↝ Better meeting the needs of clients.

↝ providing for more up-front detail.

↝ Allowing better consideration of the full costs of a construction project.

↝ Providing a better method for quantifying risk.

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