什么叫甲级写字楼?怎样评定?

国际甲级写字楼的一些标准

空调系统：

Reputable brands/著名品牌;

4-pipe FCU system or VAV System/4风机盘管系统或变频空调系统;

24 hour Chilled /condensed water available/24小时冷冻水供应;

Fresh air supply of no less than 30m3/person hour/鲜风供应量不少于30m3/person hour;

A HVAC design density of no more than 10sqm per person/HVAC设计供应量不多于10平方米/人;

Individual thermostat control/租户独立温控;

Forced expel of exhausted air/强制性废气排放。

电梯：

Reputable brands/著名品牌;

30 seconds waiting time maximum/等待时间不超过30秒;

Good GFA/lift ratio: 4000-6000sqm per passenger lift /每梯服务楼面面积不超过6000平方米;

Speed no less than 2.5m per second/电梯速度不低于2.5米/秒;

No less than 1350kg capacity per passenger lift/设计容量不低于1350公斤;

Lift zoning for high rise/高层建筑中电梯分区控制;

Adequate good lifts/充足的货梯。

通信系统：

Structural cabling system for building: with fiber optic as vertical backbone system, cat 5 or Cat 3 cabling for floor trunking, with or without connection points (a pair of connection points for both data and voice per 8 sqm gross or less);/楼宇综合布线系统: 大厦设垂直光纤主干,水平布线采用三类及五类线;

Comprehensive mode of connection available in building: ISDN, DDN, ADSL, FR, VAST, etc./多种形式的接入服务;

Earthing for computer systems/电脑接地。

供电系统：

Dual feeds of power by different substations; /高低压两路供电;

Design capacity no less than 40W per sqm floor area for tenant’s equipment/电量设计为每平方米40-90伏安;

Emergency power available for tenant’s facilities/紧急后备电源保障大厦基本设施及租户信息系统正常运作。

照明：

No less than 500 Lux at desk level on open plan basis/在大开间情况下不低于500LUX桌面照明;

Fully automated sprinkler, smoke detector, and alarming system/全自动的喷淋,烟感,和报警系统;

24 hour hot water supply/24小时热水供应。

控制系统：

Reputable brand, fully automated building management system/知名品牌,全自动的大厦控制系统;

Digital or analogue CCTV surveillance system connected with building automation system/数字式或模拟式闭路电视监控系统,并与大厦控制系统联接。

楼宇结构：

Typically 2.6m+ (with or without Raised flooring )/不低于 2.6米;

>1500 sq.m. or more (gross)/楼面面积不小于1500平方米;

floor efficiency no less than 70% on a unit by unit basis/楼层使用率在分租情况下不低于70%;

Completely open plan, column free space, can be easily and flexibly subdivided into different size of units/大开间,无柱式设计,细分灵活;

No dark space at floor/楼层无黑房;

Window to core depth no less than 9 metres/间墙至主墙距离不低于9米;

Wet pantry provision for tenant premises/楼层公共水房;

Common wet pantry/租区内管道预留;

No more than 500 sqm floor area per cubical per sex/每间坐厕服务面积不多于500平方米;

Executive washing rooms and shower facility available at floor/楼层设行政卫生间;

80 or more carparking spaces per 10000 sqm floor space/不少于80个位每10000平方米楼面面积;

承重>300kg/m2 gross;

Glass curtain wall, or granite/aluminum cladding/优质玻璃幕墙或大理石/铝合金板材;

No inferior to 4 star hotel standards/不低于四星级酒店的装修标准。

其它因素：

Reputable, experienced landlord/有经验,有信誉的业主;

Single ownership or at least majority ownership/业权统一或大部分统一,只租不售;

Single use/单一用途或单楼单用;

Management of international standard/国际水平的物业管理服务;

High Profile Tenant mix, with anchor tenant and high percentage of international companies/高品质的租户组合,并有国际性的旗舰客户;

Good accessibility/交通方便;

Public and private transportation/方便的公共及私人交通;

Well developed commercial environment/完善成熟的商业环境;

No less than 30% greenery ratio/项目整体绿化率不低于30%;

24 hours access/24小时开放。