Bill of quantities bq has existed and developed over 300 years miliken, 1996. Item description unit of measure quantity of works unit price usd total construction works preparatory works 1. Description uom quantity unit price total 0100 demolition and dismantling 0101 dismantling of metal doors, windows and partitions, including their removal outside the building and their stacking at a place designated by. Accurate quantities have to be measured from the fully completed design in the precontract stage. Bills of quantities boq the survival of any business is heavily depend on the success of commercial management. These bills of quantities shall be treated as an addendum to the solicitation document and where any of the conditions or instructions in these bills of quantities. Bills of quantities for standard residential house 2 bedroom. Preparation of bill of quantities tii publications. The measurement of substructure works to simple domestic type buildings is a logical starting point for students to commence the process of takingoff building quantities. Method of measurement for road works preparation of bill. Earthing k earthing of the meterboard and the installation comprising of the following 15mm x 1800mm earth rod as furse cat.
Substructure work is typically the first class of work to be explained in textbooks dealing with both construction technology and building measurement. As per the definition given by cambridge dictionary, a bill of quantities is a document showing a list of everything needed to build something and how much each item will cost. Substructure at this stage in design, an outline foundation design has been produced based on the ground engineering site investigation factual report dated april 2007. A single bowl, single drainer stainless steel kitchen sink of m waste fittings, plugs, chain stays, overflow, 1no. Here is a list of substructure takingoff according to smm7. Tpm 1966 03 rev e drawings used for proposed levels. Take off quantities for the following items of substructure in the drawings attached.
Make necessary assumptions where there is not enough information and. Basically it is a list of items forming part of a construction. What marine recruits go through in boot camp earning the title making marines on parris island duration. This figure also shows elevations required for abutment and substructure design. Specifications of building construction civil works 1. Substructure takingoff involves all measurement work up to and including. 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. Guidance on the preparation of bill of quantities a. However, computerised bq production systems with multiple. During the prefeasibility stage the consultant setup a preliminary unit cost data base and carried out the cost estimates for. During the contract period, measurement is required for provisional quantities and valuation of variations only see section 10 of pah chapter 5.
Building quantities takeoff for foundations, frames and finishes 3. 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 quantities for the works form the basis of the contract sum and are not subject to remeasurement. Elemental bill of quantities designing buildings wiki. 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. Pdf applicability bill of quantities in construction. Importance and functions of bills of quantities in the. The sequence adopted by measurers in this initial stage bears little relation to the eventual order of the finished bill of quantities. However, in order to fully understand and appreciated the potential problems in the measurement process a thorough knowledge of measurement conventions is essential. 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. However, because of the degree of detail, the individual items in the bill cannot readily be used as the basis for cost control during design or for comparative cost guidance on alternative solutions. No extra in any form will be paid unless it is definitely stated as an item in the bill of quantities. The bills of quantities shall be priced as described in the solicitation documents. Purposes of bill of quantities a it enables all contractors tendering for a job to price on exactly the same information with a minimum effort.
They each have their own advantages and disadvantages. Chapter 12 quantities, costs, and specifications 12. Wills element of quantity surveying linkedin slideshare. Order of cost estimating and cost planning for capital building works the rics new rules of measurement nrm is a suite of documents issued by the rics quantity surveying and construction professional group. Bill of quantities bqs is an essential document in a construction project which provides the detail of the contract amount. Substructure 01 substructure ref description quantity units rate value substructure. Example taking off for substructure measurement conventions isurv. Types of bill of quantities designing buildings wiki. 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. Draft bill of quantities site preparation september 2015. This term is applied to various kinds of physical structures such as buildings, bridges, or ships. The rules have been written to provide a standard set of measurement rules that are understandable by.
Types of bill of quantities designing buildings wiki share your construction industry knowledge. Summary of bill of quantities ministry of environment. Draft bill of quantities september 2015 site preparation draft. Esuk2 web sample 2 03 substructure 01 substructure ref description quantity units rate value compressible boards. It includes a variety of trades such as clearing site, top soil removing, excavation, concrete work and masonry works.
Submit all taking off sheets hand written as an appendix to the bq. Taking off quantities is a key skill demanded of a quantity surveyor. 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. Unless otherwise stated all measurements in this bill of quantities is in. Prepare a bill of quantities strictly in accordance with asmm5 for the substructure and superstructure of qshouse as per drawings and specifications provided. Historically, the formal form of bqs was initiated in the united. Basic things you should know about bill of quantity boq. Atkinson december 2000 nature of bills bills of quantities comprise a list of items of work which are briefly described. 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. Chapter 5 quantities calculations 5 2 apr 2007 rev sept 2015 estimated quantities for the more common bridge associated bid items shall be based on the units and accuracy shown in the following table.
The bill of quantity is a document which contains a complete analysis of. To prepare an unpriced bill of quantities for substructure work only. In the absence of a bill of quantities being prepared by the building owner each contractor would have to preparing his own bill of quantities in the limited amount of time allowed for tendering. Specifications of building construction civil works. Bill of quantities civil and specialists works for. The agreement and schedule of conditions of building contract are the principal building agreement with bills of quantities as recommended by the joint building.
Site preparation draft bqs externals printed 23092015 page 11 site preparation information measurement note drawings used for proposed layout. Extra over excavation irrespective of depth for breaking out. The bills also provide a measure of the extent of work and this allows the work to be priced. The quantity takeoff is an important part of the cost estimate. Substructure takingoff involves all measurement work up to and including the dampproof course. Additional numbered preambles may be included as necessary. An asterisk indicates that additional information and suggested formulas to be used in quantity calculations follow the table.
It is a document used in tendering in the construction industry in which materials, parts, and labor and their costs are itemized. Use 54 item description quantity unit rate amount a b c d e element. Today, the majority of bills of quantities are produced using proprietary software packages, each system having its own format for inputting dimensions and. Item description unit qty rate kshs amount kshs a electrical installation works pvcswapvc copper cables per meter a a 25mm sq. Architectural services department model bills of quantities for building works the government of the hong kong special administrative region. This investigation characterised the ground conditions in detail, though it is anticipated that further site. Taking off processes and preparation of an unpriced bill. General the work shall be carried out according to these specifications whether specifically mentioned elsewhere or not. This is because takingoff has been devised in order to assist the measurer with both the speed and accuracy of. As mentioned by hussein 2009, the bq have been proposed in the year of 1774 by thomas skaife, purposely for pricing tenders based on designer drawings in order to know the cost of a completed project before the construction projects.
To find the length of excavation be careful to fully understand what the given dimension are measuring. Bills of quantities in accordance with arm4 worked examples. The bill of quantities is to be divided as appropriate into separate. Nrm 2 defines a boq as a list of items giving detailed identifying descriptions and firm quantities of the work comprised in a contract. 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. Substructure works collection from page 6 from page 7 from page 8 total for substructures carried to page 14. 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. Dislocating existing installations prior to commencement of any of the bridge demolition works. The bill of quantities boq is defined as a list of brief descriptions and estimated. The use of table 1, level 4 subheading is optional dependent on. Furthermore, bill items are not compatible with the way. Elemental bill of quantities designing buildings wiki share your construction industry knowledge.
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