香港工程量计算规则英文.docx

1、香港工程量计算规则英文I GENERAL PRINCIPLES1. Bills of quantitiesBills of quantities shall fully describe the materials and workmanship and accurately represent the work to be executed; work which by its nature cannot be accurately measured shall be described as provisional.Provisional items or sections shall r

2、epresent the work to be carried out as accurately as is reasonable possible.2. Principles of measurementThis Standard Method of Measurement, whilst aiming at providing uniform units of measurement and standard allowances, etc., is a definition of principle rather than an inflexible document. In part

3、icular and exceptional case the Surveyor is expected to use his discretion and to adopt special methods, provided the principles of measurement laid down are observed and the intention in made clear to Estimator.If it is in the interest of accurate and practical estimating, he may give more detailed

4、 information than is demanded by strict adherence to this document.3. Applicability of methods of measurementThe methods of measurement laid down shall be applicable to the preparation of Bills of Quantities before the work in commenced equally with measurement of fished work.4. Units of measurement

5、a. The following units of measurement shall, except as hereinafter provided, be adopted throughout:-(1)Items given by weight - kilograms(2)Items given cube - cubic meter(3)Items given super - square meter(4)Items given run - linear meter(5)Items enumerated -numberb. Each measurement shall be taken t

6、o the nearest 10 millimeters (i.e. 5 millimeters and over shall be regarded as 10 millimeters and less then 5 millimeters shall be disregarded). This rule shall not apply to any dimensions stated in descriptions.5. Drawings and SpecificationThe drawings form which the Bills of Quantities have been p

7、repared shall be listed and reference shall be made to any Specification on which the Bills of Quantities descriptions are based.6. Units of billinga.Where the unit of billing is the meter, quantities shall be billed to the nearest whole unit. Fraction of a unit less than half shall be disregarded a

8、nd all other fractions shall be regarded as whole units.b.Where the unit of billing is the kilogram, quantities shall be billed to the nearest whole unit. Fractions of a unit less than half shall be disregarded and all other fractions shall be regarded as whole units.c.Where the application of this

9、Clause would cause an entire item to be eliminated, such item shall be billed as one whole unit.d.When billing items of variation or remeasurement in adjustment of accounts, omissions and additions of items where the unit of billing is the meter shall be billed to the nearest one tenth of a whole un

10、it, and where the unit of billing is kilogram shall be billed to the nearest whole unit.7. Work measured net Unless otherwise stated, all work shall be measured net as fixed in its place.8. Order of dimensions In giving dimensions the order should be consistent, and generally in the sequence of leng

11、th, width and height.9. Costs held to be included in items Each item shall, unless otherwise stated, be held to included:-a.Labor and all costs in connection therewith.b.Materials, goods and all costs in connection therewith (e.g. conveyance; delivery; unloading; storing; returning packings; handing

12、; hoisting; lowering).c.Fitting and fixing materials and goods in position.d.Use of plant.e.All cutting and waste.f.Establishment charges. Overhead charges and profit.10. Minimum deductions Where minimum deductions of voids are dealt with in this document they shall refer only to openings or wants d

13、etached from the boundaries of she space measured. Openings and wants caused by projections from the boundary of the space measured shall always be the subject of deduction, irrespective of size.11. Grouping of pipe sizes Pipes or tubing (which terms shall be synonymous for these rules of measuremen

14、t) shall be described by their internal diameter unless otherwise stated. Where required by the rules of this document pipes shall be grouped together within the following limits and described as:-a.Small pipes (pipes not exceeding 55 millimeters diameter).b.Large pipes (pipes exceeding 55 millimete

15、rs but not exceeding 110 millimeters diameter).c.Pipes exceeding 110 millimeters (diameter to be stated).12. Circular work Where circular work is required by rules of this document to be kept separate it shall be grouped together within the following limits and described as being to:-a.Small radius

16、any radius not exceeding 300 millimeters.b.Medium radius any radius exceeding 300 millimeters but nor exceeding 1.5 meters.c.Large radius any radius exceeding 1.5 meters.132. Provisional and Prime Cost Sums The use of the terms Provisional and Prime Cost Sums shall be made in conformity with the fol

17、lowing definitions unless otherwise provided in the conditions of contract.a.The term “Provisional Sum” shall mean a sum provided for work or costs which cannot be entirely foreseen, defined or detailed at the time the tending documents are issued.b.The term “Prime Cost Sum” shall mean a sum provide

18、d for work or services to be executed by a Nominated Sub-Constructor or for materials or goods to be obtained from a Nominated Supplier. Such sum shall be deemed to be exclusive of any profit or attendance required by the Main Contractor and provision shall be made for the addition thereof.14. Work

19、under reservoir, river or sea water All work executed in or under reservoir, river or sea water shall be given separately stating the levels of high and low water where applicable.15. Work in compressed air All work required to be carried out in compressed air shall be given separately.16. Generally

20、 Each Sub-Section of a Trade shall be read in conjunction with the General Rules and Principles detailed in “Clause 1. Generally” of that Trade.II PRELIMINARY PRELIMINARY PARTICULARS1.Employer, Architect and Quantity SurveyorThe names of the Employer, Architect and Quantity Surveyor shall be stated.

21、2.Description of worksA general description of the works comprised in the Bills of Quantity shall be given. The size of the building and height above and below ground level shall be stated together with the number of stories.3.Site an inspectiona.The position of the site shall be described with any

22、particulars as to access and to any limitations as to extent and position of the working space. Attention shall be drawn to any adjacent or abutting building.b.Contractors tendering shall be advised to visit the site and inspect holes (if any) and shall be informed where keys may be obtained, if the

23、y are required, and where the drawings and other documents may be seen.c.Any stipulation as to use or disposal of sand, gravel or rock that may be found on the site shall be stated.4.Division of the work into sectionsa.Where possession of the site is to be given in sections at different dates, parti

24、culars shall be given.b.Where the works are to be executed in any specific order or in sections, particulars shall be given.CONDITIONS OF CONTRACT5.Form of contracta.The form of contract and conditions shall be stated and a schedule of the clause headings to be used shall be set out in the Bills of

25、Quantities.b.A copy of the full conditions shall be supplied to the contractors or made available for their inspection.c.Any items affecting price which are incidental to or amplification of such clauses shall be fully described.6. Particulars to be inserted in Appendix of ConditionsThe particulars

26、which will be inserted in any Appendix to Schedule of Conditions shall be given in tabulated form.7.Sub-letting The conditions under which the contractor may sub-let portions of the work.8.Artists or Tradesmen not Sub-ContractorsPermission for execution of work by Artists or Tradesmen who are not No

27、minated Sub-Contractors and who may be engaged by the Employer.9.Injury to persons and damage to property Responsibility of the contractor for injury to persons and damage to property including public or private rode.10.Insurances, etc.a.Insurance against or allowance to be made in respect of the fo

28、llowing:-(1) Fire and extraneous perils.(2) Injury to persons and property.(3) Workmens compensation.(4) Any other items of insurance or guarantee required by the Conditions of Contract or the Employer.b.Special requirements in respect of minimum acceptable limits of liability and excesses shall be

29、state.c.Where insurances are to be extended to cover professional fees, particular shall be given.11.Provisional and Prime Costs sumsProvisional and Prime Costs (P. C.) Sums and the method of adjustment. Where the cost of cartage, unloading, storing and returning packing material is be added by the

30、Contractor it shall be so stated.12.Conditions of payment Conditions of payment.13.Surety or bond Surety or bond required by the Employer.14.Watching Care of Works generally, employment of watchmen and protective lighting.GENERAL MATTERSItems shall be given in respect of the following unless they ar

31、e already covered in the Schedule of Clause Heading given in accordance with Clause 5a hereof.15.Working hours, rates of wages, etc.a.Any special stipulations as working hours of conditions.b.Any conditions that may be imposed as to rates of wages and prices of material.16.Plant, tools, sheds, etc.a

32、.Plant, tools, scaffolding and staging. Special scaffoldings if required for Nominated Sub-Contractors work.b.Offices, sheds, messrooms, accommodation and attendances, and other welfare facilities.c.Sanitary conveniences, their maintenance and removal.d.Temporary screen.e.Telephones.17.Notices and feesCompliance with Labor Departments notices required by any Act or Ordinance of Government, Regulations and Bye-laws of any Local Authority and any Public Servi