Concrete or brickwork 3 m3 g integrity testing of piles h set up costs for integrity tests item i allow to carry out integrity tests to piles 240 nr load test j allow to load test 1nr pile item cart away arisings k dispose off site all surplus excavated. 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. If the one extra bend is required the additional sum is simply the extra over rate for the bend. The next stage is transferring the squared dimensions to the abstract or transferring the items directly from the dimension sheet to the bill. It lists materials, labor, and cost estimates for a proposed new school. How to take off construction works designing buildings wiki. Throughout the precontract phase of the building procurement process, from early design stages when approximate price forecasting techniques are used, to the pricing of bills of quantities as the final pretender price. B extra over for stopped ends 8 nr c extra over for 90 degree angles 2 nr d extra over for outlets 6 nr rainwater pipes and fittings. Bill of quantities example pdf what is bill of quantities definition of bill of quantities bill of quantities boq is a document the construction industry prepared to specify materials, labors, and their cost. Introduction bill of quantities bq has existed and developed over 300 years miliken, 1996. Fittings involving a change of direction of the ducting shall be described. Importance and functions of bills of quantities in the. Items left unpriced will be deemed to be covered in prices against other items throughout these bills of quantities and no claim for any extras arising out of the contractors omission to price any item will be entertained prices for all plant, temporary works, services and other items shall include for the supply, maintenance, operating cost and.
In the bill of quantities, the various items of work making up the job are listed under the appropriate trade or section headings, with descriptions printed in full and quantities given in recognized. They give rise to claims for additional payment based on. Bill of quantity items, quantities and descriptions are at contractors risk. What does the measurement term extra over items mean mobile.
Jun 12, 2020 a bill of quantities is a list of the total materials required to complete a construction project. The items marked as boq notes or note in the bill of quantities are. Bills of quantities for standard residential house 2 bedroom. Bill of quantitiesschedule of works example estimate. Extra over items are measured when additional work is required on part of a principal item and it would be tedious or. Bills of quantities comprise a list of items of work which are briefly described. Bills of quantities types the following are the types of bill contained in various format of bq. The meaning of extra over the hong kong institute of. Excavation in rock in all cases shall be measured as extra over to excavation in normal material by. E extra over excavation for excavating in rocksslopes to make up levels irrespective of class 47 cm plunking and strutting f allow for plunking and strutting to uphold the sides of excavations item dewatering g allow for keeping excavated material free from water by either pumping or bailing item disposal. Chapter 12 quantities, costs, and specifications contents. A contractor will present measured variations as part of a final account settlement. Quantities for the boq items can be quickly and easily determined using classic calculator functions.
Youll need this to get an accurate quote for your construction project. What does the term extra over mean in quantity surveying. Item description quantity unit rate nu amount in figure in words f5 providing and laying prepolished polished granite skirting as per the drawings. Rates for blinding concrete if a separate item is provided in the bill of quantity. Manual for roads and bridges nra dmrb and the nra manual of contract. An amount bidded for an item, the extend of which is describe0d in the bill. Any extra over eo item shall be measured and paid in addition to the.
It is recommended that items for individual buildings should be kept separate. The submitted hq curves have to be proved by the contractor without any extra financial charges through testing the pump for at least 6 hours continuously after its installation in the well. Preliminaries project managers supervision staff a provide a provisional sum of kshs. Final value of the works could either be more or less than the contract price.
Item 1 h allow for keeping excavation free from general water. Bill of quantities template printable schedule template. Extra over precast brick catchpit manholes of any type for building in ends of pipes. F extra over excavation for excavation in rock for all classes at any depth cm 2 g allow for all necessary planking and strutting. However, once the takeoff is complete, these measured items need to be collated, like items must be merged and deduction adjustments made. A quantity surveyor may take off quantities from detail drawings to produce a bill of quantities for tendering purposes. The total cost price of the bill of quantity item will appear at the bottom of the screen. Type features 1 reduction bill special bill prepared when the tender figure is too high and a willis and trench, reduction in price is obtained by altering the work in some 1998 way. Cover letter regarding the attached ahlesunna school bill of quantities attached is a document called a bill of quantities. Extra over piling for breaking out obstructions encountered during the piling installation. Such supplementary preambles shall take precedence over the provisions of the said model preambles the contractors prices for all items throughout these bills of quantities must take account of and include for all of the obligations, requirements and specifications given in the said. 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. Dekilane phuntsholing page 4 of boq for ricbl, pling civil ref.
The bills of quantities shall be priced as described in the solicitation documents. E extra over excavation for excavating in rocksslopes to make up levels irrespective of class 47 cm plunking and strutting f allow for plunking and strutting to uphold the sides of excavations item dewatering g allow for keeping excavated material free from water by either pumping or bailing item. As in the case of the mmhw, rogue items not contained in the library but which are found. Apr 03, 2020 bill of quantities example pdf what is bill of quantities definition of bill of quantities bill of quantities boq is a document the construction industry prepared to specify materials, labors, and their cost. On smaller projects an estimator may need to measure the quantities from the tender drawings and specifications as part of a tender submission. Excavate in all materials other than rock within the jacked pipes, including cleaning inside the jacked pipes ready for s. Drainage draft bqs externals printed 23092015 page 11. Answer as the opening sections are required to be measured as extra over according to the rules, the area of the doors is not deducted from the overall area of curtain walling. In simple terms, and using the previous example, if you have items in the bills of quantities for pipes 10 metres and extra over for bends 10 no. Draft bill of quantities september 2015 drainage draft. E 1800mm 12 m f extra for pair of vehicular gates 2 nr remove existing bow top fencing and gates. Bill of quantities, extra items deviation quantity in. The easiest way is to link a 3d ifc model and quantities are calculated automatically with the help of the building components measurements.
The bidder shall neither insert additional items in to the bill of quantities nor made. In the event of an error in the extension of a unit price by the item quantity, the total. Feb 21, 2018 the next stage is transferring the squared dimensions to the abstract or transferring the items directly from the dimension sheet to the bill. Construction measurement iii sbq3314 prime cost sum. 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. If it is necessary, select the update price button to update the selling prices where required. As mentioned by hussein 2009, the bq have been proposed in the year of 1774 by thomas skaife, purposely for pricing tenders. D extra for single gate 4 nr remove existing palisade fencing and vehicular gates. Bill of quantitiesschedule of works example estimate page 111 item d. Item 1 b allow for clean water for the works item 1. It is usually prepared by a cost consultant or a quantity surveyor the bill of quantities sometimes. Preliminaries documents clause 2 the bill of quantities is compiled in accordance with the method described in the standard system for measuring small buildings.
The whole cost of complying with the provisions of the contract shall be included in the items provided in the priced bill of quantities, and where no items are provided, the cost shall be deemed to be distributed among the rates and prices entered for the related items of work. The bill of quantities is compiled in accordance with the. M or project manager wherever used in these bills of quantities shall be deemed to imply the project manager as defined in condition 1 of the conditions of contract or such person or persons as may be duly authorized to represent him on behalf. Extra over eo is a term that is often used when taking off for a bill of quantities boq. Any extraover eo item shall be measured and paid in addition to the. Xls copy of niqs besmm4 sample bill osiki precious. Extra over eo designing buildings wiki share your construction industry knowledge. The units of measurement indicated in the bill of quantities are metric units. The format of bills of quantities continues to be a matter for the discretion of the surveyor preparing bills of quantities for a particular project. Extra over in quantity surveying is used mainly to described additional item for the previous set of description for example. Bills of quantities, importance, functions, construction industry.
Item description unit qty rate kshs amount kshs a electrical installation works pvcswapvc copper cables per meter a a 25mm sq. It was prepared by the ghana education service, and is a standard plan used throughout ghana. The base rate for the pipe has been paid for already. Eo items should be listed directly beneath the main item over which they are measured, as this simplifies the the interpretation of the boq by.
The fidic red book does not therefore require a bill of quantities for pricing but allows instead a schedule of rates andor prices. The following abbreviations may appear in the bill of quantities. Rates for blinding concrete if a separate item is provided in. Bill of quantitiesschedule of works example estimate prelim. Each 2 total carried to summary behera associates 8 sewage treatment plant item description unit qty rate amount c electrical installation for stp c. The quantities to be billed for the eo items must be in respect of work included with the quantities for. The case concerned the term extra over, a term common in bills of quantities and well known to all quantity surveyors.
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