What is NRM2 used for?

NRM2 provides a set of detailed measurement rules for the preparation of bills of quantities or schedules of rates for the purpose of obtaining a tender price. It also deals with the quantification of non-measurable work items, contractor designed works and risks.

What is the difference between NRM2 and CESMM4?

In general the SMM7 and NRM2 has more emphasis on detail, where-as the CESMM4 takes a more inclusive approach to the measurement process. Building work comprises many different trades where-as civil engineering works consists of large quantities of a comparatively small range of items.

Is earthwork support always measured under NRM2?

Work and materials deemed included Earthwork support is now deemed included unless its need is not left to the discretion of the contractor. If earthwork support needs to be measured it includes the use of timber planking and strutting, plywood trench sheeting and light steel trench sheeting and strutting.

What is Pomi construction?

Principle of measurements (POMI) provide a uniform basis for measuring the quantities of construction materials, equipment and machineries for the Bill of Quantities (BOQ) for works of construction. SMM7 provides detailed information, classification tables and rules for measuring building works.

What are the 4 rules of measurement?

THE FOUR RULES OF MEASUREMENT: LENGTH, CAPACITY, WEIGHT AND TIME.

What are the three rules of measurement?

The New Rules of Measurement

• Rule 1: The Standard Error of Measurement.
• Rule 2. Test Length and Reliability.
• Rule 3. Interchangeable Test Forms.
• Rule 4. Unbiased Assessment of Item Properties.

Why do we use CESMM?

Why? The object of CESMM is to set out the procedure to which a Bill of Quantities should be prepared and priced and the quantities of work expressed and measured. The fourth edition brings the method into line with changes in industry practices and extends its usages into some new areas.

What is the difference between SMM7 and NRM2?

NRM2 – Detailed Measurement for Building Works (2012) – this directly replaces SMM7 and is used for pricing Bills of Quantities and consists of detailed breakdowns using unit rates. Detailed guidance is given on the preparation of Bill of Quantities including detailed coding and work breakdown structures.

What is working space in excavation?

For the excavation of depth beyond 3 m, working space of 600 mm + 50 mm (for every 1 meter) shall be added on all four sides of the footing edge.

What is the basic principle of measurement?

Measurement is the process by which one can convert physical parameters into meaningful numbers. The measurement of a given quantity is the result of comparison between the quantity to be measured, and a definite standard. The instruments which are used for such measurements are called measuring instruments.

What are measured works in construction?

Measurement is the transformation of drawn information into descriptions and quantities, undertaken to value, cost, and price construction work, as well as enabling effective management. It is not just about a quantity surveyor producing a bill of quantities for contractors to price during tendering.

What is the standard unit?

In other words, we all have to speak the same basic language. The SI system, also called the metric system, is used around the world. There are seven basic units in the SI system: the meter (m), the kilogram (kg), the second (s), the kelvin (K), the ampere (A), the mole (mol), and the candela (cd).

What is NRM 2 detailed measurement for building works?

This volume, NRM 2: Detailed measurement for building works, provides detailed rules for the measurement and description of building works for the purpose of obtaining tender prices.

When did the first NRM 2 come out?

This first edition of NRM 2 took effect from 1 January 2013. It replaced the Standard Method of Measurement for Building Works (SMM), its latest version being SMM7.

Which is the best volume in the NRM suite?

The NRM suite comprises the following three volumes: NRM 1: Order of cost estimating and cost planning for capital building works This volume provides indispensable guidance on the quantification of building works for the purpose of preparing cost estimates and cost plans.

What’s the difference between nrm2 and smm7?

There are significant differences in the approach to measuring work sections between NRM2 and SMM7 and it is vitally important that contractors, sub-contractor and construction professionals are able to identify and allow for these differences, including changes in risk allocation, when preparing contract documentation and tender submissions.