Boq is helpful to know clearly about how muvh amount was required to complete some task, among which how much. This work taking off processes and preparation of an unpriced bill of quantities research material is a complete and well researched project material strictly for academic purposes, which has been approved by different lecturers from different higher institutions. Importance and functions of bills of quantities in the. The format and content are based on the australian standard methods of measurement. Depending on the shape or design of a building the method of taking out quantities also varies. Work section bill of quantities designing buildings wiki.
Abstract of cost quantity surveying and estimation. The aim of this project work is to prepared a taking off for quantities completely for four 4 bedroom fully detached duplex and to prepare an abstract and unpriced bill of quantities for the sub structural work. Preparing a bill of quantities requires that the design is complete and a specification has been prepared. Design and develop a bill of quantities for groundworks, masonry brickwork, concretereinforcement and formwork, simple timber pitched timber roofs, cladding, and finishes. Item description unit qty rate kshs amount kshs a electrical installation works pvcswapvc copper cables per meter a a 25mm sq. Dec 08, 2017 this video was showing how to prepare bill of quantity boq of any construction work. A bill of quantities sometimes referred to as a boq or bq is a document, typically prepared by a cost consultant often a quantity surveyor, that provides measured quantities of the items of work identified by the drawings and specifications in the tender documentation for a project. The bills of quantities is a form of tender document which set out the quantities and descriptions of the items of labour, material and plant required to erect and complete a building or other works in a systematic manner. Bill of quantities also referred to as boq, is a document formulated in the construction industry to specify materials, labors, and their cost. Jan 21, 2018 the taking off list in the bill of quantities can be used by the contractor when preparing pricing for 6. Youll be required to takeoff quantities and become familiar with quantity surveying duties and terminology including billing. Bills of quantities for standard residential house 2 bedroom. Bill of quantities bqs is an essential document in a construction project which provides the detail of the contract amount. General rules of abstracting in taking off quantities.
Quantity takeoff quantity take off problems are relatively easy to figure out. A quite good project including basement, ground floor in two levels was chosen for preparing the bill of quantities. The work is taken off as usual then squared and checked but the dimensions and their quantities are reduced and only checked on the taking of sheets. Measurement of building designs cons20002 the university.
We provide services for design build projects, commercial construction, residential home construction with detailed quantity takeoffs and pricing from a construction projects conception phase to. Prepare welldocumented material safety data msd sheets that identify all the. Abstracting is one of the step in preparing of bill of quantities also you should practice as a quantity surveyor. Your item numbers will be consecutive, starting from 1. If the quantity has to be converted from one unit to another unit this is done on the abstract sheet. When it comes to commercial management in construction industry, bill of quantities boq is the term which brings attention of every construction professionals and stakeholders.
Building measurement course premier school of building. The quantities for the works form the basis of the contract sum and are not subject to remeasurement. It must be as accurate as possible and should be based on all available engineering and design data. Preparing a bill of quantities requires that the design is complete and a. How to prepare bill of quantity boq of any construction work. May 06, 2018 to prepare an unpriced bill of quantities for substructure work only. Difference between materials take off and bill of materials posted by. During the contract period, measurement is required for provisional quantities and valuation of variations only see section 10 of pah chapter 5.
Working from the construction documents, a quantity surveyor will measure the tasks and items of work in a project. The preparations of detailed construction estimate consist of working out quantities of various items of work and then determine the cost of each item. Quantity take off s qto are a detailed measurement of materials and labor needed to complete a construction project. Part 4 rising mains part 5 shackleton pumping station part 6 roker pumping station e grand summary 5. Procedure for the assessment of the quantities for the aspect of the work is as below. It was mainly used by contractors for paying their workers and. The wessex computerised system was used for the take off of quantities by using a digitiser and also to prepare a bill of quantities. The use of table 1, level 4 subheading is optional dependent on.
Quantity surveying practices now produce bills of quantities using. Bills of quantities is created with the procedure of taking off which entails recognizing elements of construction works to be estimated and priced. This process known as booking dimensions or taking off. Quantity take off cost estimating estimating software.
Cubit standard takeoff, bill of quantities software for. You just need to know a little bit about geometry and use a little bit of engineering common sense. Get fast, accurate takeoffs is now simpler than ever. Up 33 bill preparation contd taking off dimensions are scaled or.
Completion and pricing of the bill of quantities by a tenderer. Work section bill of quantities designing buildings wiki share your construction industry knowledge. Here, i describe the more common methods of taking out quantities in the construction field. Oct 22, 2015 preparing bill of quantities taking off, squaring, abstracting and billing preparing bills for part payments at intervals during the execution of work. As answered by ganeshkumar manickavasagam as defined by holm, schaufelberger, griffin and cole.
Include columns for the item numbers, description, unit of measurement, quantity, rate for the item, labor, and total cost for the item. This is necessary to produce bills of quantities and requires that the design is complete and a specification has been prepared. A bill of quantities is a document used in tendering in the construction industry in which. Taking off processes and preparation of an unpriced bill of. The complete work is divided into various items of work such as earthwork.
An essential guide to any quantity surveyor, architect or engineer taking off quantities. Taking off processes and preparation of an unpriced bill. General rules of abstracting in taking off quantities qs. It is usually prepared by a cost consultant or a surveyor. The bill of quantities is issued to tenderers for them to prepare a price for carrying out the works. The bill of quantities assists tenderers in the calculation of construction costs for their tender, and, as it means all tendering contractors will be pricing the same quantities rather than taking off quantities from the drawings. The quantities may be measured in number, area, volume, weight or time.
It consists of transferring the description and quantity the description and quantity from the taking off sheet to the abstract sheet as shown in appendix a2 and collecting together items, which can be, billed under one item. Qs plus estimating software for quantity surveyors and. The principles use of the bill of quantities is to obtain competitive tenders and for this purpose bills of quantities should be prepared to a. Jun 22, 2016 the actual difference between boq and mto is that mto includes all the materials, tools and equipment required during construction other than the consumable material. The bill of quantities is issued to tenderers for them to prepare a price for carrying out the construction work. Accurate quantities have to be measured from the fully completed design in the precontract stage. Basic things you should know about bill of quantity boq. A bill of quantities boq is a document, used mainly in great britain and australia, which answers the questions we just looked at. It includes a variety of trades such as clearing site, top soil removing, excavation, concrete work and masonry works. Prepare the bill of quantities for building projects. Substructure taking off involves all measurement work up to and including the dampproof course. Lets take a quick moment to actually take a look at a bill of quantities.
Quantity take off is gives the detailed measurement of the quantities from the drawings plan, section and elevation details of the buildings and is computed in the tabular column shown below. When the carcase and finishings have been kept separate on the taking off he will only need to have the abstract sheets of either the one or the other in front of him at one time. Jun, 2019 taking off construction works designing buildings wiki share your construction industry knowledge. There are four clearly defined steps in preparation of bill of quantities. We specialize in providing take off estimating services for construction and engineering firms at various stages throughout the construction process. The objective of preparing the bill of quantities is. Here is a list of substructure taking off according to smm7. Oct 02, 2019 general rules of abstracting in taking off quantities. Today, the majority of bills of quantities are produced using proprietary software packages, each system having its own format for inputting dimensions and formulating descriptions. The scope of this work is limited to the processes that are involved in taking off and preparing an unpriced bill of quantities for building work but excluding the abstracting, unpriced bill of quantities and service for super structural work. Bill of quantities are prepared by quantity surveyors and building estimators by a process of taking off the cost of a building or other structures estimated from measurements or scaled from structural engineers drawings or construction plans. Preparation of bill of quantities preparation of bill of quantities subdivision of bill of 1 the bill of quantities is to be divided as appropriate into separate quantities levels of identification, in the sequence set down in table 1.
This paper is presents an approach to taking off quantities based on the. Preparing bill of adjustment in the case of variations ordered during the execution of work. The taking off list is essential in working out the target costs. Taking off general rules taking off is the procedure by which dimensions of the works are calculated or scaled off from the drawings and entered onto dimension papers g. Dimension taking off paper conventional format bill of quantities form. However, once the takeoff is complete, these measured items need to be collated, like items must be merged and deduction adjustments made.
Preparing bill of quantities has many benefits and drawbacks. Pdf applicability bill of quantities in construction. Bills of quantities bq is one of systematic ways applied in the construction industry in which its primary function is to record items of works for tendering purposes and to create a fair agreement among the parties involved for contracting purposes. Creating a bill of quantities is a fourstep process that used to be done painstakingly by hand on paper and is now usually done with spreadsheets or specialized software. The bill of quantities is issued to tenderers for them to prepare a price for. Free bill of quantities software for building industry. Jun 01, 2015 bills of quantities boq the survival of any business is heavily depend on the success of commercial management. Define quantity surveyor a qualified or experienced person who does the above mentioned works taking off, squaring, abstracting and billing is called a quality surveyor.
This system is suitable when the work is relatively straightforward and the number of items limited. Here is a list of substructure takingoff according to smm7. Methods of detailed construction estimation preparation. Preparation of bill of quantities for every new project there is the first. The traditional method of preparation of bills of quantities can be broken down into two main processes.
Preparing bill of quantities taking off, squaring, abstracting and billing preparing bills for part payments at intervals during the execution of work. This method of bill production is produced directly from the takeoff, without the need to abstract and bill or cut and shuffle. Preparing bill of adjustment in the case of variations ordered during the execution. Methods of takeoff quantities explanation with solved. To prepare a preliminary estimate before drawing up a detailed estimate for a. Abstract of estimate form gives the cost of each item of work and is calculated in a. Quantity take off quantity take off problems are relatively easy to figure out. I i i,i index abbreviations 21 listing 37989 abstract sheets 347 abstracting general rules 34850 subdivisions 3478 transfer of dimensions 347 use of computers 36971 activity bills 377 air ducts, underfloor 105 aluminium rainwater goods 153 approximate quantities 16 architraves 241 areas, measurement 4043 asphalt roof coverings 156 worked example 18791. How to take off construction works designing buildings wiki share your construction industry knowledge. If the quantity has to be converted from one unit to another unit this is done on the abstract. Cubit standard the takeoff software and bill of quantities software of choice. The objective of preparing the bill of quantities is to assist estimators to produce an accurate tender efficiently and to assist the post contract administration to be carried out in an efficient and costeffective manner.
Taking off construction works designing buildings wiki. The taking off is then transferred written onto abstract sheets. On your screen right now is a sample bill of quantities. It saves the cost and time of several contractors measuring the same design in order to calculate their bids for competition bill of quantities wikipedia. They are in microsoft excel format which most are familiar with. Taking off substructure from cutting down trees to topsoil excavation. While the plant engineer may not often be presented with bills of quantities, it may be useful. Bq and preparation of bq specification technical standard. Every item to go into the bill should be noted in some form in its proper order on the abstract. Figure 6 continued abstracting the skill of preparing an abstract lies in the ability of the. They are designed to make taking off quantities an easy task. Preparation of bq n toff basic civil engineering quantities. Taking off quantities is a key skill demanded of a quantity surveyor. This video was showing how to prepare bill of quantity boq of any construction work.
Preparing bill of adjustment in the case of variations ordered during the execution of work giving legal advice in case of court proceedings 6. Design a financial plan for a building by investigating and pricing items in a bill of quantities boq. Since he is an independent consultant and doesnt officially work for any organization, he needed free software to start off with before going for proprietary ones. The process and procedure in producing the bill of quantities these are carried out in stages as follows. Accuracy and completeness are critical factors in all cost estimates. Ce2402 estimation and quantity surveying be civil 2 marks. The term taking off refers to the process of identifying elements of construction works that can be measured and priced. Civil engineering demonstrates, through a series of detailed worked examples from a range of civil engineering projects, how the measurement techniques are actually used. This advanced software is for professional estimators and it allows you to prepare detailed bills of quantities, cost plans estimates, valuations and the final account. Historically, the formal form of bqs was initiated in the united. Example of bill of quantities preparation of bills of quantities. Taking off does not involve calculating the quantities. Restart the item numbers for each section or category of the build.
This book provides a thorough understanding of the general principles of measurement for taking off quantities. Take off, abstracting, preliminaries, buildup rate, etc. This method is especially applicable for the works. Historically, the formal form of bqs was initiated in the united kingdom after the industrial revolution in the 19th century. The bill of quantities assists tenderers in the calculation of construction costs for their tender, and, as it means all tendering contractors will be pricing the same quantities rather than taking off quantities from the drawings and specifications themselves, it also provides a fair and accurate system for tendering. Bill of quantities is a document usually prepared by a quantity surveyor which ideally details the terms and conditions under which a contract is to be let, and itemises all works to enable a contractor to price the work for which he is bidding. The bill of quantities assists tenderers in the calculation of construction costs for their tender, and.
However, in order to fully understand and appreciated the potential problems in the measurement process a thorough knowledge of measurement conventions is essential. Preparation of a bill of quantities using the traditional method. Chapter 2 quantity takeoff the quantity takeoff is an important part of the cost estimate. The term taking off refers to the process of identifying elements of. Preparing bill of adjustment in the case of variations ordered during the execution of work giving legal advice in case of court proceedings 14. The final preparation of bills of quantities for building work by the traditional. The following are the measurement forms and their associated bills of quantities. I will show you a couple tricks of the trade that will make life a little easier and then some example problems for you to practice to gain experience and confidence. Divisions of bill preparation there are several methods of preparing bills of quantities.
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