
SIMPRUG SIGNATURE (PHASE 1)
Location
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Year
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Client
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Development
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Foundation
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Retaining Wall
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Professional Services
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:
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:
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:
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:
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:
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:
South Jakarta
​
2019
​
PT. Susanto Ciptajaya
2 Apartment towers (37 -38 stories)
Basement (2 stories)
​
Bored Pile
​
Sheet Pile
Geotechnical consultancy
Soil Investigation with Pressuremeter
Design of foundation and shoring system

D'ORANGE PARK APARTMENT
Location
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Year
​
Client
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Development
​
Foundation
​
Professional Services
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:
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:
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:
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:
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:
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:​
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Depok, West Java
​
2019
​
PT. Penta Rekayasa
2 Apartment towers (10 and 26 stories)
Podium (2 stories)
​
Bored Pile
Geotechnical consultancy
Design of foundation

CLEON PARK APARTMENT
Location
​
Year
​
Client
​
Development
​
Foundation
​
Retaining Wall
​
Professional Services
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:
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:
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:
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:
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:
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:​
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:
East Jakarta
​
2019
​
PT. Mitra Sindo Sukses
2 Apartment towers (24 stories)
Podium (6 stories)
Basement
​
Bored Pile
​
Secant Pile & Shotcrete
Geotechnical consultancy
Design of foundation and shoring system

APARTEMEN THE CANARY TOWER 2
Location
​
Year
​
Client
​
Development
​
Foundation
​
Retaining Wall
​
Professional Services
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:
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:
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:
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:
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:
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:​
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:
BSD, South Tangerang, Banten
​
2018
​
PT. Susanto Ciptajaya
1 Apartment tower (30 stories)
Basement (2 stories)
​
Pile Raft System
​
D-wall
Geotechnical consultancy
Design of foundation and shoring system

THE PARC - SOUTHCITY
Location
​
Year
​
Client
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Development
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Foundation
​
Retaining Wall
​
Professional Services
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:
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:
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:
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:
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:
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:​
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:
South Tangerang, Banten
​
2018
​
PT. Satu Rekayasa Optima
3 Apartment towers (14 stories)
Basement (2 stories)
​
Driven Pile
​
Soldier Pile
Geotechnical consultancy
Design of foundation and shoring system

APARTEMEN COLLINS BOULEVARD
Location
​
Year
​
Client
​
Development
​
Foundation
​
Retaining Wall
​
Professional Services
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:
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:
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:
:
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:
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:​
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:
Tangerang, Banten
​
2017
​
PT. Satu Rekayasa Optima
​
3 Apartment tower (37 stories)
Basement (1 story)
​
Bored Pile
​
Sheet Pile
Geotechnical consultancy
Design of foundation and shoring system

APARTEMEN ALLEGRIA
Location
​
Year
​
Client
​
Development
​
Foundation
​
Retaining Wall
​
Professional Services
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:
​
:
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:
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:
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:
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:​
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:
Bandung, West Java
​
2017
​
PT. Indostar Perdana
1 Apartment tower (27 stories)
Basement (2 stories)
​
Raft Foundation with ground anchor
​
Secant Pile with raker (island method)
Geotechnical consultancy
Confirmatory Soil Investigation
Design of foundation and shoring system

TOKYO RIVERSIDE APARTMENT
Location
​
Year
​
Client
​
Development
​
Foundation
​
Professional Services
​
​
​
​
​
Challenge and accomplishment
:
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:
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:
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:
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:
:​
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​
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:
Kosambi, Tangerang, Banten
​
2017
​
PT. Mandiri Bangun Makmur
11 Apartment towers (32 stories)
​
Rafted Pile System
Geotechnical consultancy
Soil investigation with CPTu
Design of foundation
Evaluation of soil improvement
Monitoring with Inclinometer
Supervision of geotechnical works
​
Piling in soft soils created problem on large excess pore pressure and pile displacement through out the construction. Instrumentation monitoring were conducted by GEC to observe pile tilting and hazard associated with mass piling.

RUSUN NAGRAK
Location
​
Year
​
Client
​
Development
​
Foundation
​
Professional Services
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:
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:
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:
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:
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:
:​
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North Jakarta
​
2017
​
PT. Penta Rekayasa
​
5 Apartment towers (17 stories)
​
Driven Pile
Geotechnical consultancy
Design of foundation

RUSUN PENJARINGAN PHASE 1
Location
​
Year
​
Client
​
Development
​
Foundation
​
Professional Services
​
:
​
:
​
:
​
:
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:
:​
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North Jakarta
​
2016
​
PT. Penta Rekayasa
2 Apartment towers (17 stories)
​
Driven Pile
Geotechnical consultancy
Design of foundation

B RESIDENCES
Location
​
Year
​
Client
​
Development
​
​
Foundation
Retaining Wall
​
Professional Services
​
:
​
:
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:
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:
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:
:​
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:
Serpong, Tangerang, Banten
​
2016
​
PT. Maju Gemilang Serpong
3 Apartment towers (40 stories)
Basement (1-3 stories)
​
Pile Raft System
​
Soldier pile
Geotechnical consultancy
Soil investigation using Pressuremeter
Design of foundation and shoring system Inclinometer monitoring
Pile instrumentation with Fiber Optic

MENTENG PARK APARTMENT
Location
​
Year
​
Client
​
Owner
​
Development
​
Foundation
Retaining Wall
​
Professional Services
​
:
​
:
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:
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:
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:
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:
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:​
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:
Central Jakarta
​
2015
​
PT. Totalindo Eka Persada Tbk
​
Agung Sedayu Group
3 Apartment towers (37 stories)
Basement (3 - 4 stories)
​
Pile Raft System
​
D-wall with ground anchor and straus
Geotechnical consultancy
Design of foundation and shoring systems

SYNTHESIS RESIDENCES KEMANG
Location
​
Year
​
Client
​
Development
​
​
Foundation
Retaining Wall
​
Professional Services
​
:
​
:
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:
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:
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:
:​
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:
South Jakarta
​
2015
​
PT. Sintesis Kreasi Bersama
3 Condominium towers (30 - 33 stories)
Basement (3 - 5 stories)
Linkway Area
​
Bored Pile
​
D-wall & Secant Pile
Geotechnical consultancy
Design of foundation and shoring systems

APARTEMEN M SQUARE
Location
​
Year
​
Client
​
Development
​
​
Foundation
Retaining Wall
​
Professional Services
​
:
​
:
​
:
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:
​
​
:
:​
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:
Bandung, West Java
​
2014
​
PT. Cipta Indah Bangun Anugerah
Apartment tower (27 stories)
Parking Area & Basement (3 stories)
​
Bored Pile
​
Soldier pile with struting
Geotechnical consultancy
Design of foundation and shoring systems

GRAND SUNGKONO LAGOON
(VENETIAN TOWER)
Location
​
Year
​
Client
​
Owner
​
Development
​
​
Foundation
​
Professional Services
​
:
​
:
​
:
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:
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:
​
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:
:​
West Surabaya, Indonesia
​
2013
​
PT. Haerte Widya Consultant
​
PT. PP Property, Tbk
1 Apartment tower (42 stories)
Parking Area & Basement (3 stories)
​
Bored Pile and Driven Pile
​
Geotechnical consultancy
Confirmatory soil investigation
Optimization of foundation design
Design of retaining system

PARAHYANGAN RESIDENCES
Location
​
Year
​
Client
​
Owner
​
Development
​
​
Foundation
Retaining Wall
​
Professional Services
​
​
​
​
Challenge and accomplishment
:
​
:
​
:
​
:
​
:
​
​
:
:​
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:
​
​
​
​
​
:
Bandung, West Java
​
2012
​
PT. JKS Realty
PT. Agung Podomoro Land
2 Apartment towers (23 stories)
Basement (5 stories)
​
Bored Pile
​
Soldier pile, shotcrete
Geotechnical consultancy
Confirmatory soil investigation
Design of foundation and shoring systems Monitoring with Inclinometer
Supervision of geotechnical works
​
The building are located on slope however Raft Foundation has been used with 6 basement. The bearing capacity as well as slope stability is a special challenge PT. GEC managed to design and supervise the excavation, shoring system, and foundation preparation safely.

THE MANSION @ KEMANG
Location
​
Year
​
Client
​
Development
​
​
Foundation
​
Professional Services
​
​
Challenge and accomplishment
​
:
​
:
​
:
​
:
​
​
:​
​
:
​
​
​
:
South Jakarta
​
2008
​
PT. Agung Sedayu Group
Apartment (24 stories)
Podium (5 stories)
Basement (2 stories)
​
Pile Raft System
Geotechnical consultancy
Soil investigation using Pressuremeter
Design of foundation and shoring system
Supervision on sub structure work
​
Use of raft foundation for the tower and bored pile is a challenge for differential settlement issue. PT. GEC design supervise and monitor the excavation and sequence of work safety.

RUSUN PENJARINGAN PHASE 2
Location
​
Year
​
Client
​
Development
​
Foundation
​
Professional Services
​
:
​
:
​
:
​
:
​
:
:​
​
North Jakarta
​
2020
​
PT. Cipta Mandiri Perencana
KSO Adhi - Jaya Konstruksi - Cipta
4 Apartment towers (20 stories)
​
Driven Pile
Geotechnical consultancy
Design of foundation
Site Specific Response Analysis
Downhole Seismic Test