International Commerce Centre Grade-A office stone works
Grade-A Office · Commercial Space

International Commerce Centre Grade-A Office Complex — Stone Works

A city business landmark · Integrated stone delivery for a 68-storey office complex

Project Overview

Project Overview

A business landmark on the Victoria Harbour skyline — HENGSHENG MARBLE S&T CO. LIMITED Stone delivered 42,000 ㎡ of commercial space through a digital supply chain, integrated end to end.

📍
Central, Hong Kong
Location
📐
42,000 ㎡
Stone Installed
📅
11 months
Delivery Period
💎
7
Stone Varieties
🏛️
Aedas
Design Firm
🏢
68 storeys
Grade-A Office
📏
±1.2 mm
Flatness Control
98%
Tenant Satisfaction
International Commerce Centre exterior
International Commerce Centre · A 298 m Grade-A office complex

Design Concept · Business Space Where Efficiency Meets Ceremony

The project is designed as a "vertical city": the office lobby takes a 12-metre double-height ceremonial feature wall of Calacatta Gold, the typical-floor corridors extend visual depth with Carrara White, and the retail atrium and lift lobbies set a premium commercial tone with Nero Marquina — one floor, one stone, an order that gives 68 storeys of office space unity with layering.

HENGSHENG MARBLE S&T CO. LIMITED Stone handled design detailing, factory fabrication and on-site installation for all stone: 42,000 ㎡ of finished stone, 126 round columns and over 30,000 wall and floor pieces, all digitally pre-laid, with a night-shift staggered construction system delivering "open for business while we build" with zero disturbance.

Applications

Office Lobby Feature WallsLift LobbiesTypical-floor CorridorsTop-floor Conference CentreRetail AtriumPremium BoutiquesBanking HallsStaff CafeteriaRooftop ClubCar Park Lobby
Materials

Stone Selection

Three principal stones run through 68 storeys of business space, balancing corporate image, wear resistance and whole-life maintenance cost.

Calacatta Gold stoneMATERIAL 01
Calacatta Gold
🇮🇹 Italy · Carrara quarries
ApplicationOffice lobby feature wall · Top-floor conference centerFinishBook-matched · 12 mm/20 mmStandard Sizes3200×1600 mm slabs
Gold veining ripples like light on water across a milky ground, giving the office lobby its sense of ceremony. Thirty-eight slabs from a single vein in four-way book-match keep the 12 m double-height wall's veining flowing like a painting — a fixed backdrop for tenant brand films.
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Carrara White stoneMATERIAL 02
Carrara White
🇮🇹 Italy · Carrara quarries
ApplicationTypical-floor corridors · Staff cafeteriaFinishFine honed · 12 mmStandard Sizes2800×1500 mm slabs
Quiet, fine light-grey veining, deployed across 62 typical-floor corridors. The honed finish balances slip resistance with low glare; 21,000 ㎡ supplied — the project's highest-volume stone.
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Nero Marquina stoneMATERIAL 03
Nero Marquina
🇪🇸 Spain · Markina quarries
ApplicationLift lobbies · Retail atrium feature wallsFinishPolished · 20 mmStandard Sizes3000×1500 mm slabs
Black ground with white veining, full of commercial energy under high-contrast lighting; used on the column wraps of 32 lift lobbies and the atrium feature wall. Every slab numbered by veining direction for perfect visual consistency across floors.
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Construction

Construction Process

A six-stage record from survey to handover — every step with its own data standards and signed accountability.

01

Survey & Setting Out

Survey & Setting Out

3D laser scanning covered 68 floors and 6 public areas; point clouds overlaid on BIM resolved 312 structural deviations in advance.

02

Digital Layout

Digital Layout

Every slab scanned, numbered and virtually pre-assembled in the factory, with piece-by-piece installation drawings and night-shift deliveries direct to floor.

03

Factory Fabrication

Factory Fabrication

Five-axis CNC machined the curved panels for 126 round columns and over 30,000 wall and floor pieces to a tolerance of ±0.5 mm.

04

Numbered Packing

Numbered Packing

Packed floor by floor in reverse installation order with shock-absorbing lining; a 40-minute night run to site with zero breakage.

05

On-site Installation

On-site Installation

Vacuum-lift hoisting combined with laser projection, working nights and weekends — "open for business while we build", zero disturbance.

06

Full-area Grinding

Full-area Grinding

Public areas ground and crystallised as one: flatness ±1.2 mm, gloss above 92°, LEED material certification.

Installation Details

Installation Details

Craft standards up close — the millimetre-level rigour behind premium business space.

Dry-hanging System

Dry-hanging System

Underbolt dry-hanging with three-way adjustable 304 stainless clamps; all concealed works passed third-party structural review.

Large-format Tiling

Large-format Tiling

1,600 mm slab flooring laid with levelling clips to joints under 1.0 mm, suited to the mall's heavy foot traffic.

Waterjet Medallion

Waterjet Medallion

The retail atrium's 12 m medallion comprises 1,842 pieces cut to 0.1 mm accuracy; approved as a full pre-assembly before dispatch.

Column Wrapping

Column Wrapping

Quarter-circle curved panels calibrated one by one with a temporary positioning ring; joint deviation ≤0.3 mm across all 32 lift-lobby wraps.

Seamless Joints

Seamless Joints

Book-matched joints tinted with color-matched epoxy; after arris polishing the gloss matches the slab face — the brand wall reads as one piece.

Crystallised Polishing

Crystallised Polishing

Public-area stone siliconised and crystallised to grade 5 stain resistance, cutting annual maintenance cost by 45% under heavy traffic.

Technical

Technical Highlights & Solutions

Building works inside a live 68-storey tower — HENGSHENG MARBLE S&T CO. LIMITED Stone answers with data.

📏
CHALLENGE 01

Flatness control across 42,000 ㎡

Wind sway and thermal movement compound in a high-rise, and heavily used public floors across 68 storeys easily wave and debond.

Solution: Laser positioning with a digital pre-layout system, plus a levelling datum every 500 ㎡; every slab factory pre-assembled and numbered, laid to number and ground flat zone by zone to ±1.2 mm.
🏗️
CHALLENGE 02

Vertical logistics across 68 storeys, off-peak working

The tower was partly occupied; stone deliveries and installation could not disturb the working day, and logistics windows were tiny.

Solution: Booked night goods-lifts moved material floor by floor with temporary floor caches; noisy trades concentrated at weekends — 11 months, zero complaints.
🤝
CHALLENGE 03

Multi-tenancy interface coordination

Office, retail and dining uses meet at many interfaces; stone junctions with metal, glass and joinery are complex.

Solution: BIM detailing produced a 38-detail junction catalog with factory pre-cast pieces, installed to drawing — interface rework below 0.8%.
👟
CHALLENGE 04

Wear and slip safety under heavy traffic

The atrium and dining areas see 60,000+ visits a day; slip resistance and wear resistance directly affect safety and operations.

Solution: Public areas combine a honed anti-slip finish with mirror crystallisation, R10 slip resistance UKAS-tested; two years on, not one slip incident.
±1.2 mm
Measured flatness
30,000+
Wall & floor pieces machined
68
Quality-inspection steps
0 complaints
Off-peak working record
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