Furthermore, they engaged surveyors to prepare bills of quantities on which. A quantity surveyor may take off quantities from detail drawings to. The final preparation of bills of quantities for building work by the. May 06, 2018 to prepare an unpriced bill of quantities for substructure work only. A bill of quantities boq is an important part of a construction project, for both project managers and surveyors, but also potential bidders.
Detailed bill of quantities and matching trade summary in pdf format. Get fast, accurate takeoffs is now simpler than ever. It saves the cost and time of several contractors measuring the same design in order to calculate their bids for competition. A bill of quantities or schedule of quantities consists of a complete list of all various items of works for a project, giving the item number and description of items with unit and quantity of work against each, thus enabling an estimated calculation of price of work. Bills of quantities for standard residential house 2 bedroom. 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. Format of bill of quantities 1 list of principal quantities 2 preamble to the bill of quantities 3 day work schedule, if required. Bill of quantities also referred to as boq, is a document formulated in the construction industry to specify materials, labors, and their cost.
General rules of abstracting in taking off quantities. Accuracy and completeness are critical factors in all cost estimates. 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. It must be as accurate as possible and should be based on all available engineering and design data. The taking off is then transferred written onto abstract sheets. A bill of quantities is a document used in tendering in the construction industry in which materials, parts, and labor and their costs are itemized. This video was showing how to prepare bill of quantity boq of any construction work. It symbolizes technique and the extent of details posses by the qs and at the same time, a portrayal of meticulous effort.
A qualified or experienced person who does the above mentioned works taking off, squaring, abstracting and billing is called a quality surveyor. 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. Cubit standard takeoff, bill of quantities software for. The bill of quantities b oq is defined as a list of brief descriptions and estimated quantities. General rules of abstracting in taking off quantities qs practice. Prepare a plumbing takeoff list subcourse en 5110 plumber mos 51k 1 and 2 us army engineer school fort leonard wood, missouri 12 credit hours general the plumbing takeoff list subcourse, part of the plumber, mos 51k, skill levels 1 and 2, course, is designed to teach the knowledge. However, once the take off is complete, these measured items need to be collated, like items must be merged and deduction adjustments made. Method of measurement for road works preparation of bill of quantities march 2011 1 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. During the contract period, measurement is required for provisional quantities and valuation of variations only see section 10 of pah chapter 5. Every item to go into the bill should be noted in some form in its proper order on the abstract. It is a document used in tendering in the construction industry in which materials, parts, and labor and their costs are itemized. To prepare an unpriced bill of quantities for substructure work only.
Qs plus estimating software for quantity surveyors and. Pdf importance and functions of bills of quantities in. A bill of quantities is a list of the total materials required to complete a construction project. Create a spreadsheet for your bill of quantities with columns for the item numbers, descriptions, units of measurement, quantities, rates for each item, labor, and total cost. The objective of this project was to prepare the bill of quantities of a two storey house. Rosli abdul rashid1, muzani mustapa1 and siti nurhuda abd. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. However, once the takeoff is complete, these measured items need to be collated, like items must be merged and deduction adjustments made. 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. Preparing bill of adjustment in the case of variations ordered during the execution. The first main step in preparing a bill is the taking off or recording of. Preparation of bq n toff basic civil engineering quantities.
In this project have clearly defined the bills of quantities, costing and what smm2 is. Historically, the formal form of bqs was initiated in the united. The objective of this project was to prepare the bill of quantities of a two storey house using the traditional method, according with the standard method of measurement th edition. We specialize in providing take off estimating services for construction and engineering firms at various stages throughout the construction process.
Preparation of basic estimates, bill of quantities, schedule of. Methods of takeoff quantities explanation with solved. A bill of quantity bq is the document used in tendering in the construction industry. Jun 01, 2015 bills of quantities boq the survival of any business is heavily depend on the success of commercial management. Bill of quantities fully describe and accurately represent the works to be executed, including the obligations required of the contractor, and so provide a uniform basis for the preparation of competitive tenders. Cubit standard the takeoff software and bill of quantities software of choice. Cubit allows you to complete a residential or commercial takeoff projects and estimate on your desktop, tablet or mobile device. Taking off processes and preparation of an unpriced bill of. Taking off quantities is a key skill demanded of a quantity surveyor. The item includes setting out of sewer routes on the ground prior to work commencement, establishing bench marks along the.
Dimension taking off paper conventional format bill of quantities form. Types of bill of quantities designing buildings wiki share your construction industry knowledge. The quantity takeoff is an important part of the cost estimate. The quantification process involves recording dimensions and is referred to as. Bqs document is comprised of detailing description and quantities of all of the construction work of a project and the processes involved in the preparation of bqs document are taking off, drafting, checking, editing and printing the 300500 pages rosli, et al. The objective of preparing the bill of quantities is. 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. This system is suitable when the work is relatively straightforward and the number of items limited. 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. The next stage is transferring the squared dimensions to the abstract or. Step 6 determine the unit price on the basis of the prepared bill of quantities. How to take off construction works designing buildings wiki share your construction industry knowledge. The bill of quantities is prepared by a taking off process in which the cost of a building or other structure is estimated from measurements in the structural engineers drawings. Use of appropriate automation tools is highly recommended.
They are in microsoft excel format which most are familiar with. General rules of abstracting in taking off quantities qs. The term taking off refers to the process of identifying elements of construction works that can be measured and priced. Importance and functions of bills of quantities in the.
Depending on the shape or design of a building the method of taking out quantities also varies. It also ideally details the terms and conditions of the construction or repair contract and itemizes all work to enable a contractor to price the work for which he or she is bidding. Work section bill of quantities designing buildings wiki share your construction industry knowledge. Summary of bill of quantities ministry of environment. Preparing bill of adjustment in the case of variations ordered during the execution of work giving legal advice in case of court proceedings 6.
Divisions of bill preparation there are several methods of preparing bills of quantities. 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. P a b a preliminaries a10 project particulars title of project and address guides hut refurbishment and extension, lower queens road, upper rock, gibraltar a11 drawings drawings from which bills of quantities. The quantities are defined as estimated because they are subject to admeasurement and are not expected to be totally accurate due to the unknown factors which occur in civil engineering work. Pdf applicability bill of quantities in construction. Method of measurement for road works preparation of bill of quantities march 2011 3 preambles to bill of 9 the matters set out under the heading preambles to bill of quantities quantities 117 hereafter are always to be included as a preamble to the bill of quantities. Bills of quantities is created with the procedure of taking off which entails recognizing elements of construction works to be estimated and priced.
Step 4 identify the structure of the bill of quantities boq on the basis of the data stored in the bim model. Taking and recording measurements and premeasurements in mb. How to take off construction works designing buildings wiki. The findings fundamentally reveal that the use of bill of quantities prepared in accordance with the standard method of measurement is on the decline and only useful as a tool for post. Method of measurement for road works preparation of bill of. Bills of quantities provide huge benefits to the contractor while creating with work sections that show likely subcontract packages. Taking off measuring of quantities in which the dimensions are scaled.
Types of bill of quantities designing buildings wiki. It includes a variety of trades such as clearing site, top soil removing, excavation, concrete work and masonry works. Method of measurement for road works preparation of bill. It contains all data on scope and materials, directly or indirectly involved fabrication of components and helps the owner. Boq is helpful to know clearly about how muvh amount was required to complete some. Basic things you should know about bill of quantity boq. In construction project, there are several measure work such as excavation work, rubble work, concrete work, etc, we have to carry out the take of quantity process to prepare bill of quantities. Medium volume builder lowset estimate bill of quantities. Bills of quantities bqs are an output which represents the existence of quantity surveyors qs in the world of construction. This process is known as takeoff or material takeoff mto and is an essential part of the estimating process.
It also details the terms and conditions of the construction or repair contract and itemizes all work to. Here, i describe the more common methods of taking out quantities in the construction field. Preparing the boq as a requirement of the contract documents. Additional numbered preambles may be included as necessary. The taking off needed to be prepared before prepare bq. Similar types of work are then brought together under one item, a process known as abstracting. Construction estimating cost estimating estimating. However, in order to fully understand and appreciated the potential problems in the measurement process a thorough knowledge of measurement conventions is essential. The use of table 1, level 4 subheading is optional dependent on.
The bill of quantities sometimes referred to as boq or bq is a document prepared by the cost consultant often a quantity surveyor that provides project specific measured quantities of the items of work identified by the drawings and specifications in the tender documentation. The qsplus bill production module allows you to prepare a detailed bill of quantities during the pretender stage when working drawings are completed by the architect. Work section bill of quantities designing buildings wiki. A bill of quantities boq is an itemized list of materials, parts, and labor with their costs required to construct, maintain, or repair a specific structure. The boq lays out the work detail and quantities of. A more thorough process is necessary for major construction projects, however. Preparing bill of quantities taking off, squaring, abstracting and billing preparing bills for part payments at intervals during the execution of work. To find the length of excavation be careful to fully understand what the given dimension are measuring. The quantities contained in bills of quantities are measured from design drawings, to be used by the contractors for tendering and for progress payments, for variations and changes and ultimately for statistics, taxation and valuation. The following are the measurement forms and their associated bills of quantities. Preparation of a bill of quantities using the traditional method. Here is a list of substructure taking off according to smm7. Construction estimating cost estimating estimating software. How to master the takeoff in construction estimating.
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 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. Substructure taking off involves all measurement work up to and including the dampproof course. For a small one off job, an experienced builder should be able to estimate the materials required in his or her head. An elearning approach to quantity surveying measurement. They are designed to make taking off quantities an easy task. We also know as a quantity surveyor, prepare bill of quantities is the final output of taking of quantity process. This method is especially applicable for the works. Part 4 rising mains part 5 shackleton pumping station part 6 roker pumping station e grand summary 5. 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.
Taking off processes and preparation of an unpriced bill. Accurate quantities have to be measured from the fully completed design in the precontract stage. Youll need this to get an accurate quote for your construction project. Pdf description of items in the bills of quantities b. Bill of quantities bqs is an essential document in a construction project which provides the detail of the contract amount. Preparation of bill of quantities table 4 this table 4 is an example of the introduction and index to be inserted as a separate page immediately preceding the separate bills of quantities included within the bill for structures where a choice of designs is. The wessex computerised system was used for the take off of quantities by using a digitiser and also to prepare a bill of quantities. 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. Bill of quantities is a document usually prepared by a quantity surveyor. It is usually prepared by a cost consultant or a surveyor. Although this is a straightforward substructure layout which would be suitable for a garage or similar nonhabitable outbuilding, the task required the candidates to take off the complete substructure. 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.
284 227 687 721 753 240 833 1121 1329 513 412 1326 323 777 37 466 751 845 1316 1134 749 466 790 209 1382 135 1323 445 240 867 1142 89 1471 843 206