standard-measurement-for-building-works

ARCHITECTURALSERVICESDEPARTMENTSTANDARDMETHODOFMEASUREMENTFORBUILDINGELEMENTSGOVERNMENTOFTHEHONGKONGSPECIALADMINISTRATIVEREGIONARCHITECTURALSERVICESDEPARTMENTQUANTITYSURVEYINGBRANCHQUEENSWAYGOVERNMENTOFFICES66QUEENSWAYHONGKONG2001EDITIONARCHITECTURALSERVICESDEPARTMENTSTANDARDMETHODOFMEASUREMENTFORBUILDINGELEMENTS2001EDITIONCOPYRIGHTINDEXINTRODUCTION.........................................................................iii01PRELIMINARIES................................................................102SUBSTRUCTURE................................................................2FN-Foundations..............................................................203SUPERSTRUCTURE...........................................................4SC-Structure(ReinforcedConcrete)...............................4SO-Structure(Other)......................................................6EW-ExternalWalls(Non-structural)...............................8WD-WindowsandExternalDoors...................................9CW-CurtainWalling........................................................10IP-InternalPartitions....................................................11ID-InternalDoors..........................................................12IF-InternalFinishes......................................................13EF-ExternalFinishes......................................................15FF-FittingsandFixtures................................................17SV-PlumbingServices....................................................18BB-Builder’sWorkinConnectionwithServices............20BP-Builder’sProfitandAttendanceonMechanical&ElectricalServices....................................................21(i)04MECHANICAL&ELECTRICALSERVICES....................22EE-Electrics...................................................................22SB-LowVoltage(LV)CubicleSwitchboardsInstallation..25GE-DieselGeneratingSetsInstallation…………………….26UP-UninterruptiblePowerSupplySystem…………………27CB-BroadcastReceptionInstallation………………………28AC-Air-conditioning........................................................29TG-GasInstallation........................................................33FS-FireServices.............................................................34MS-HorizontalandVerticalMovementSystems.............37BA-BuildingAutomation................................................38SP-OtherSpecialistServices..........................................3905EXTERNALWORKSANDDRAINAGE..............................40XW-ExternalWorks........................................................40DR-Drainage...................................................................4306SITEDEVELOPMENT........................................................45SI-SiteInvestigation......................................................45SF-SiteFormation..........................................................46PI-Piling........................................................................47CS-Caissons...................................................................4807STORES,FURNITURE&EQUIPMENT.............................49GS-GovernmentStores...................................................49FE-FurnitureandEquipment.........................................5008CONSULTANT’SFEES........................................................51CF-Consultant’sFees.....................................................5109CONTINGENCY...................................................................53CY-Contingency................................................................53(ii)INTRODUCTIONThisbookletcontainstherulesofmeasurementforthestandardsetofbuildingelementstobeusedonArchitecturalServicesDepartmentbuildingprojects.THEPROJECTCOSTMODELTheProjectCostModelonpage(iv)showshowthetotalprojectcostisbuiltupfromthosecostsrelatingtothenormalmaincontract(NETBUILDINGCOST[NBC])which,whenaddedtothemechanical&electricalservicescost,becometheGROSSBUILDINGCOST[GBC].TheGBCrepresentsthecostofthestructureaboveandbelowground.HowevercertainsitedevelopmentandexternalworkscostsneedtobeincludedandtheseareaddedtotheGBCtocomputetheNETPROJECTCOST[NPC].Thecostsofgovernmentstores,furnitureandequipment,consultant’sfeesandacontingencyareaddedtocalculatetheGROSSPROJECTCOST[GPC].(iii)TheProjectCostModel01-Preliminariesplus02-Substructureplus03-SuperstuctureNETBUILDINGCOSTplus04-Mechanical&ElectricalServicesGROSSBUILDINGCOSTplus05-ExternalWorks&Drainageplus06-SiteDevelopmentNETPROJECTCOSTplus07-Stores,Furniture&Equipmentplus08-Consultant’sFeesplus09-ContingencyGROSSPROJECTCOST(iv)THEELEMENTCOSTMODELEachprojectcostisbrokendownintonineelementgroups.TheseareshowninthepreviousProjectCostModelandagainintheProjectElementCostModelonpage(vi).Withineachelementgrouptherearevariouselements.Eachelementrepresentsafunctionofthebuildingoritsenvirons.Therearethirtysixbasicelementsrepresentingthemajorcostcentresofthetotalproject.Toallowfinercontrolovertheapportionmentofcost,someelementsarefurtherdividedintosub-elements.Thispermitscostsign