It also ideally details the terms and conditions of the construction or repair contract and itemizes all work to enable a contractor. However, there are some issues pertaining to bq functions such as. Bill of quantities ability building services the estimate is a prediction of the net cost or quantities for the proposed construction. A bill of quantities boq is a document or format used in all type of tendering works in the construction industry in which materials, parts, and labor and their costs are itemized in tabular forms like in columns and rows. The quantity surveyor must, on a regular basis, notify the departmental project manager in writing regarding progress with the pretender estimate. Probity and procurement online, join brian ambler from hwl ebsworth for this session on probity and procurement. The main standard methods of measurement are currently using. Esuk2 web sample 2 01 enabling works 01 enabling works ref description quantity units rate value enabling works existing site, buildings, services c90. Method of measurement for road works preparation of bill. Only the headings and clause numbers for which allowance must be made in the bills of quantities are recited. Jun 01, 2015 bills of quantities boq the survival of any business is heavily depend on the success of commercial management.
Bill of quantities may be prepared using different types of standard methods of measurement depending on the work categories such as building construction and civil engineering projects. The additions, deletions and alterations to the jbcc principal building agreement a well as the contract specific variable are as stated in the contract data. The model bills of quantities for building works 2017. We can issue our bills both electronically andor hard copy format upon request. Types of bill of quantities designing buildings wiki. The quantities for the works form the basis of the contract sum and are not subject to remeasurement. The use of bills of quantities is a wellestablished means of enabling the financial control and management of building works. Electronic formats include conquest, cite, excel and pdf. Copies of these letters must also be forwarded to the departmental quantity surveyor. Atkinson december 2000 nature of bills bills of quantities comprise a list of items of work which are briefly described. A new kitchen and dining block will also be constructed. Bills of quantities boq the survival of any business is heavily depend on the success of commercial management. However, such discrepancies between any contract documents shall immediately be referred to the project manager in accordance with clause 22 of. Order of cost estimating and cost planning for capital building works.
Ii, specifications, drawings and bills of quantities for the work. In jct forms the specification of the works is included in the bills of quantities in the form of lengthy preambles. 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. Aug 27, 2018 bill of quantities may be prepared using different types of standard methods of measurement depending on the work categories such as building construction and civil engineering projects. Importance and functions of bills of quantities in the. Bills are prepared from the project drawings, schedules and specifications produced by. The bill of quantities is compiled in accordance with the method described in the standard system for measuring small buildings. The nature of bills of quantities bills of quantities shall fully describe and accurately represent the quality and quantity of work to be carried out arm4, 2009 on a building contract. The comparisons between the two types of works that necessitate different method of measurement are as follows. It must be as accurate as possible and should be based on all available engineering and design data.
Use of appropriate automation tools is highly recommended. The use of bills of quantities in building contractor. The standard method of measuring building work for africa 2015 first edition is available for downloading on this website the association of south african quantity surveyors agreed to make available its model bills of quantities abbreviated descriptions as the base document for an updated version for use in conjunction with the standard. Basic things you should know about bill of quantity boq. Bill of quantities and quantity survey of construction works of renovated buildings case study. Bill of quantities boq building civil engineers pk. Model bills of quantities for building works, 2017 edition 2 revision history revision no.
Feb 21, 2018 the comparisons between the two types of works that necessitate different method of measurement are as follows. How to prepare bill of quantity boq of any construction work. 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. Description unit qty unit rate amount 1 preliminaries a allow for a temporary site office adequate to accomondate six persons,notice board, shelves and, store for materials and tools storage. Standard system of measuring building work sixth edition preface as stated in the preface above, the committee responsible for the drafting of the sixth edition faced the challenging dual task of attempting to simplify the standard system on the one hand and to satisfy the demands of the building industry on the other hand. Only the headings and clause numbers for which allowance must be. Accuracy and completeness are critical factors in all cost estimates. The works comprise demolitions and extensions to existing structures. Since then, notwithstanding significant developments in terms of the preparation of bills of quantities bills through the use of technology and different codes of measurement, their worth continues to be questioned. The works include, but are not limited to the following. Bills of quantities for standard residential house 2 bedroom. General protection to the works and surroundings during demolition works allow for for all general protection measures required during the demolition works. Electrical installation works pvcswapvc copper cables per meter a a 25mm sq. Method of measurement for road works preparation of bill of.
Types of bill of quantities designing buildings wiki share your construction industry knowledge. Summary of bill of quantities ministry of environment. 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. Bill of quantities advantages and disadvantages boq.
During the contract period, measurement is required for provisional quantities and valuation of variations only see section 10 of pah chapter 5. The bills of quantities shall be priced as described in the solicitation documents. Preparation of basic estimates, bill of quantities, schedule of. We do take an active interest in bim and other building modelling software which can offer us the facility to measure from models, which can provide us with efficient check quantities. The building structures are in reinforced concrete strip foundations, columns and column. Earthing k earthing of the meterboard and the installation comprising of the following 15mm x 1800mm earth rod as furse cat. A single bowl, single drainer stainless steel kitchen sink of m waste fittings, plugs, chain stays, overflow, 1no. While training i recall that measuring building works was a laborious, labour intensive task and one that became increasingly expensive. Item 1 b allow for clean water for the works item 1. Bill of quantities boq designing buildings wiki share your construction industry knowledge. Bill of quantities civil and specialists works for. The preliminaries for use with the jbcc series 2000 principal building agreement may 2005 edition prepared by the joint building contracts committee, shall be deemed to be incorporated in these bills of quantities. 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.
G bills of quantities these bills of quantities are in multiple procurement format ie the wet trades earthworks, concrete, formwork and reinforcement, precast concrete, masonry, waterproofing and subsurface drainage are fully measured and the subsequent trades are budgetary allowances andor selected subcontract amounts item 1. Tenderers are referred to the abovementioned documents for the full intent and meaning of each clause thereof. Volume 3 section 1 chapter iii 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. The rules have been written to provide a standard set of measurement rules that are understandable by.
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. In the uk, bills of quantities for general construction works were until recently most commonly prepared in accordance with the standard method. Pdf bills of quantities bq is one of systematic ways applied in the construction industry in which its primary function is to record items of. Bill of quantities work section plot 6 summary bill no. The practice in the building industry is to set out in. Kosciuszko military university of land forces, 2017, 49183, 191200. 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. Architectural services department model bills of quantities for building works the government of the hong kong special administrative region architectural services department quantity surveying branch queensway government offices 66 queensway hong kong 2012 edition revised.
The upgrade, rehabilitation and remodelling of existing spaces within the school. Once all reinforcedconcrete works are completed, the next grid shall be excavated. Detailed measurement for building works the rics new rules of measurement nrm is a suite of documents issued by the rics quantity surveying and construction professional group. The model bills of quantities for building works 2017 edition. Issued date revision details 7 1292016 a add guidance notes to the testing and commissioning items under the airconditioning and mechanical ventilation installation on page modbq. The bills also provide a measure of the extent of work and this allows the work to be priced. A allow for a temporary site office adequate to accomondate six persons,notice board, shelves and, store for materials and tools storage.
The bills of quantities are a complete quantification of all items as per tender drawings, should the tenderer require additional or more detailed items he may add them with his tender. African development banks field office in abuja, nigeria prepared by interstate architects ltd. Chapter 2 quantity takeoff the quantity takeoff is an important part of the cost estimate. The key to the success of the use of bills of quantities is a clear understanding by all parties to the contract of what is included, or excluded, in the measurement. 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.
Measurements in the event of any discrepancies arising between the bills of quantities and the actual works, the site measurements shall generally take precedence. Accurate quantities have to be measured from the fully completed design in the precontract stage. The priced bills of quantities must be submitted to the departmental project manager. The work included in the item is defined in detail by the rules in the method of measurement. The use of bills of quantities in building contractor organizations. Digging is done by hand and by machine, if possible, including soil removal outside of the building and its returning and compacting upon completion of all works in this area. 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.
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