Addition & Alteration (A&A)
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加建与改建工程

Addition & Alteration (A&A)

Residential • Commercial • Industrial

Addition & Alteration (A&A) works allow building owners to unlock substantial property value and adapt existing facilities to modern demands without costly full redevelopment. Hock Soon Heng possesses vast expertise in complex structural strengthening, floor slab cut-outs, additional mezzanine levels, façade modernisations, and change-of-use conversions across industrial premises, conservation shophouses, and educational institutions.

Comprehensive Services

Scope of Work & Capabilities

Structural alterations, carbon-fibre (CFRP) strengthening & underpinning
Mezzanine floor additions, lift shaft installations & staircase alterations
Industrial factory reconfigurations & worker dormitory capacity upgrades
Conservation shophouse restorations and heritage building adaptations
Change-of-use statutory submissions (URA, BCA, SCDF, JTC)
Façade upgrades, re-roofing & waterproof building envelope renewal
Technical Excellence

Why Choose Hock Soon Heng for Addition & Alteration (A&A)

Live Environment Execution

Specialised dust suppression, acoustic partitioning, and staged construction to keep surrounding operations running smoothly.

Heritage & Conservation Sensitivity

Trusted by government agencies like Singapore Land Authority (SLA) for historical bungalow restorations along Kay Siang Road.

Rapid Statutory Approvals

Deep familiarity with URA development control parameters, envelope control guidelines, and SCDF fire safety waivers.

Engineering Workflow

Our Execution Methodology: Safe, Solid, Swift

Step 01

Structural Dilapidation & Feasibility

As-built structural review, concrete coring tests, and load redistributions.

Step 02

Propping & Controlled Removal

Temporary shoring erection, diamond wire sawing, and precise selective deconstruction.

Step 03

Structural Strengthening & Extension

Steel beam retrofitting, carbon fiber wrapping, and new floor slab casting.

Step 04

Fit-out, Testing & Statutory Handover

Finishes execution, fire safety audit, RI inspection, and official TOP endorsement.

Track Record

Featured Projects in Addition & Alteration (A&A)

A&A and Change of Use at Hamilton Road Shophouses
📍 Hamilton Road Shophouses

A&A and Change of Use at Hamilton Road Shophouses

Conversion of offices to shops/restaurants; residential retained.

A&A to 3-Storey Church at Marsiling Lane
📍 Marsiling Lane

A&A to 3-Storey Church at Marsiling Lane

Alterations to existing church building.

A&A to Bungalows at Kay Siang Road
📍 Kay Siang Road

A&A to Bungalows at Kay Siang Road

Alterations to 2-storey bungalows with pools.

4-Storey Rear Extension to Outram Road Shophouses
📍 279 & 281 Outram Road

4-Storey Rear Extension to Outram Road Shophouses

New rear extension with residential apartments.

Direct Contact

Need a Detailed Quotation for Addition & Alteration (A&A)?

Connect directly with our contracts and engineering team for site assessments, bill of quantities (BOQ) review, and preliminary costing.

+65 6570 3933
contract@hshec.com.sg
Suntec Tower One, #12-07

Applicable Sectors

Singapore Land Authority PropertiesOperational Industrial PlantsCommercial Retail UnitsHeritage Shophouses