Construction take-off sheets

In any construction work, it is very important to get the estimation of the construction in one place at orderly manner. That’s why a properly arranged construction takeoff sheet is required to do the whole work without any hassle. In a construction take off sheet, you find the details of all the requirements for the construction. The types of materials, the quantity of materials, the number of labors, the number of days and the sequence of work all things are enlisted in the construction take off sheet.

 

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Published By

Arka Roy

www.quantity-takeoff.com

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Decisive Political Support Required for Crossrail 2

It is often considered that the UK construction industry lacks expertise in managing risk on major infrastructure, and incurring high construction costs.

Like the High Speed 2 which is expected to the biggest infrastructure project in the country is facing an unforeseen expenditure of £14.4bn added upon its overall cost of £42.6bn. Though its leaders say that such contingency are not similar to expenditure, yet critics feel that if this added expense is taken away, a £28.2bn north-south link will certainly appear to be a lot more appealing.

As far as the proposed Crossrail 2 link is concerned, the Treasury expects a budget of almost £8bn for emergency situations for this scheme that is estimated to cost around £12bn. Strict and able guidance is required to reduce actions and incidents that could lead to uncertainty and cost inflation on projects. Detailed design and precise cost estimation can minimize the cost of Crossrail 2 as it is in its initial stage.

Decisive political support is required to continue with the scheme of Crossrail 2 to ensure that designers and contractors can work on minimizing its risks and overall cost.

The London rail capacity is expected to be full at the seams when Crossrail 2 opens in the latter part of this decade. Only then the ordinary Londoners may find the advantage of having its building sites on their doorsteps.

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published by

Tuhin Maity

www.quantity-takeoff.com

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How to measure a building work - Some necessary tips

Data needed to start for an estimate 

For starting a brief estimate, an estimator should possess the data given below : 

•         Plans, sections and other details associated with the work.
•          Specifications focusing on the proper nature and a class of materials for application.
•          Lastly the proposed rates for executing various items of work. In order to find out the quantities precisely, an estimator should maintain clear, completely dimensioned, authentic and accurately scalable drawing. While digging out quantities, the estimator should abide by some good principle.

How to make an estimate

There exist three crucial steps for making out an estimate:-

1 . Detecting quantities

While detecting quantities, the measurements should be acquired from the drawings and put on the measurement sheet or dimension paper. The measurements should be based on  the unit of measurement. The unit of measurement will range from cubic meter in 1st case and square meter in the second case.

2. Squaring out 

The second phase includes preparing volumes, areas, etc. as well as casting up their total in standard units.

3. Abstracting

In the third stage, all the items with the net results acquired in the second stage are forwarded to specially ruled sheets containing rate column set for pricing from measurement sheets . A third person must verify all the calculations and each transferred entry made in the second and third stages to get rid of any mathematical or copying omissions. 

Standard Method of Measurement of Building Works

 An Estimator finds it difficult to cope up with the various systems of measurement offered by various Central and State Government departments as well as construction agencies. It also results in standing cause of controversies. So, there should be a harmonization among diversified methods at the technical level.

Principles of Deciding Unit of Measurement

The units of measurement of different items are very complicated. In order to select the ideal units of measurement, the undermentioned principles should be followed.

1. The unit of measurement should be uncomplicated and simplified to measure, record and understand.

2. The unit of measurement should designate for fair payment of concerned work.

3. In the result it should provide quantities, which should not be too little or too outsized.

4. The price per unit should not contain a very minute figure or a very large one. Usually items with higher cost will be calculated in smaller units and lower cost in bigger units.

5. The unit of measurement may at times rely upon the unit for the raw material and/or labor and/or significant dimensions.

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Published by Rajib Dey

Content Writer

www.quantity-takeoff.com (An information hub for construction estimating)

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Some essential books on construction cost data and construction estimating

                                     

                     

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Published by Rajib Dey
Content Writer
www.quantity-takeoff.com (A well know overseas company for construction estimating)

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