RAINBOW GROUP PTY LTD PAGE 1 OF 31 PROJECT CAPABILITIES & EXPERIENCE VILLAWOOD IMMIGRATION DETENTION CENTRE REDEVELOPMENT EARLY WORKS, STAGE 1 AND STAGE 2A Location: Birmingham Street, Villawood NSW 2163 Client: Hansen Yuncken Pty Ltd Client’s Representative: Matthew O’Grady Description of project: The Villawood Immigration Detention Facility Redevelopment project involves the $180 million expansion of the existing detention centre. Rainbow is the Major Works Civil Contractor for the project and has been on site since May 2011 successfully completing the Early Works package in September 2012 and Stage 1 works in December 2013 and now undertaking Stage 2A works. Early Works largely involved the remediation of over 50,000m2 of asbestos contaminated soils, including the excavation and offsite disposal of approximately 2,000 tonnes of friable asbestos soils and the on-site remediation of approximately 10,000 tonnes of bonded asbestos soils for validation and re- use across the site. Early works also involved the bulk and detailed earthworks for future building pads, roads and car parks, construction of access ring roads around the development, demolition works and the relocation of multiple heritage structures. Stage 1 Works commenced in May 2012 and largely involves the construction of over 20,000m2 of heavy duty roads and car parks to service the new detention centre. Rainbow’s scope of works includes: Bulk excavation and road box-out In-situ cement stabilisation of over 20,000m2 of subgrade to ensure it is suitable for a range of light and heavy traffic during its occupation Flexible pavement construction to AUS-SPEC standards including: - Subsurface drainage - In-situ stabilised subgrades - Unbound modified pavement courses - Kerb and gutter construction - Intra-pavement drains - Sprayed bituminous surfacing - Asphalt placement - Pavement markings Rigid pavement construction including: - Unbound modified pavement courses - Integral kerb construction - Jointed concrete base construction The construction of over 1.7km of new stormwater systems and over 6km of new subsoil drainage, including the construction of over 70 trafficable in-situ concrete pits ranging in size from 900x600mm to 3000 x 3000mm integrated within the pavement construction The construction of a large onsite detention basin to capture the entire stormwater system of the site including the construction of three
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PROJECT CAPABILITIES & EXPERIENCE...May 2015 Original contract period: 48 months R A I N B O W G R O U P P T Y L T D P A G E 3 O F 31 Key project personnel: Tony Di Mattia – Project
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R A I N B O W G R O U P P T Y L T D P A G E 1 O F 3 1
PROJECT CAPABILITIES & EXPERIENCE
VILLAWOOD IMMIGRATION DETENTION CENTRE REDEVELOPMENT
EARLY WORKS, STAGE 1 AND STAGE 2A
Location: Birmingham Street, Vil lawood NSW 2163
Client: Hansen Yuncken Pty Ltd
Client’s Representative: Matthew O’Grady
Description of project: The Vil lawood Immigration Detention Facil i ty Redevelopment project involves the
$180 mil lion expansion of the existing detention centre. Rainbow is the Major
Works Civil Contractor for the project and has been on site since May 2011
successfully completing the Early Works package in September 2012 and Stage
1 works in December 2013 and now undertaking Stage 2A works.
Early Works largely involved the remediation of over 50,000m2 of asbestos
contaminated soils, including the excavation and offsite disposal of
approximately 2,000 tonnes of fr iable asbestos soils and the on -site remediation
of approximately 10,000 tonnes of bonded asbestos soils for validation and re -
use across the site. Early works also involved the bulk and detailed earthworks
for future building pads, roads and car parks, construction of access ring roads
around the development, demolit ion works and the relocation of multiple heritage
structures.
Stage 1 Works commenced in May 2012 and largely involves the construction of
over 20,000m2 of heavy duty roads and car parks to service the new detention
centre. Rainbow’s scope of works includes:
Bulk excavation and road box-out
In-situ cement stabilisation of over 20,000m2 of subgrade to ensure it is
suitable for a range of l ight and heavy traffic during its occupation
Flexible pavement construction to AUS-SPEC standards including:
- Subsurface drainage
- In-situ stabilised subgrades
- Unbound modified pavement courses
- Kerb and gutter construction
- Intra-pavement drains
- Sprayed bituminous surfacing
- Asphalt placement
- Pavement markings
Rigid pavement construction including:
- Unbound modified pavement courses
- Integral kerb construction
- Jointed concrete base construction
The construction of over 1.7km of new stormwater systems and over 6km
of new subsoil drainage, including the construction of over 70 trafficable
in-situ concrete pits ranging in size from 900x600mm to 3 000 x 3000mm
integrated within the pavement construction
The construction of a large onsite detention basin to capture the entire
stormwater system of the site including the construction of three
R A I N B O W G R O U P P T Y L T D P A G E 2 O F 3 1
headwalls, a major outlet discharge structure
Construction of earth-retaining structures including both corefil led
concrete block walls and keystone block walls
Concrete and paving works including footpaths, pram ramps, stairs and
off-form concrete walls
Streetscape works including the installation of over 35 custom seats and
7 benches
Complex design management and consultant coordination
Complete quality, safety and environmental management
Traffic management
Stage 2A works commenced in May 2014 after successfully completing Early
Works and Stage 1 works over the past 3 years . Stage 2A works involves similar
civi l works completed in Stage 1 above, also including bulk excavation and on-
site management of over 25,000m3 of spoil, the construction of over 1000m of
f lexible pavement roads, stormwater construction, earth -retaining structures and
streetscape works.
Special features of
project:
The Vil lawood Detention Centre project is an extremely high -profi le and polit ical
project with a multitude of special features, namely:
1. Working within the active detention facili ty meant strict security
protocols were in place to prevent the escape of detainees. Special
consideration had to be given to works directly adjacent to the perimeter
fencing and extra care was given to plant, tools, equipment or any other
instrument that could be used for escape
2. Building a new detention facil i ty means there are strict security design
requirements. All aspects of our works from design to construction
considered security. For example, the entire stormwater system features
grates with unique anti -tamper locking mechanisms and Rainbow used
large pre-cast capping beams epoxy grouted to retaining walls in l ieu of
conventional capping stones to ensure that could not b e removed by
detainees
3. As an alternative design, Rainbow offered in -situ cement subgrade
stabilisation in accordance with strict UCS and CBR design criteria for
the construction of heavy duty pavements across the site to save our
client t ime and money during construction.
4. Implementing and maintaining quality management procedures to
achieve strict project and Aus-spec requirements, including witness and
hold points, conformance reporting and corrective and preventive action
implementation. Over the 3 years Rainbow has been working on the
Vil lawood Detention Centre project we have submitted over 520
Inspection and Test Plans for every element of our work for review and
acceptance by the client and design team.
Form of contract: Department of Finance and Deregulation Major Works Subcontract MASC-1 2004
Type of contract: Lump Sum
Contract value: $23 mil l ion
Start date: May 2011
Date for practical
completion: May 2015
Original contract period: 48 months
R A I N B O W G R O U P P T Y L T D P A G E 3 O F 3 1
Key project personnel:
Tony Di Mattia – Project Director
Ben Caples – Project Manager
Chris Di Marco – Site Manager
Matt Carter - Foreman
Principal subcontractors:
Stabilised Pavements Australia – In-situ subgrade stabil isation
Enwon Road Services – Kerbs & gutters
Boral – Supply of unbound base courses and asphalt
All Pavement Solutions – sprayed bituminous surfacing
Centreline Paving – Asphalt placement
Value of subcontracted
work: $5 mil l ion
Relevance of project: The works at the Vil lawood Immigration Detention Centre Redevelopment over
the last 3 years demonstrates Rainbow’s abili ty to successfully undertake large
scale Commonwealth-funded road and infrastructure projects. The Villawood
project is particularly relevant in demonstrating Rainbow’s abili ty to complete
large road infrastructure projects and demonstrates Rainbow’s capabil it ies in:
Heavy duty flexible and rigid pavement construction including the use of
both marginal and modified materials
Earthworks exceeding 5m in cut and full
Reinforced concrete construction
The construction of earth re taining structures
Construction of large floodways and stormwater infrastructure
Complex project management
Complex design coordination
Traffic management
Complex subcontractor and supplier management
Complex quality management, as well as safety and envir onmental
management
Referee details: Joseph Sukkar – Construction Manager – Hansen Yuncken Pty Ltd
Mob: 0401 984 354
Photographs: Due to the sensitive nature of the project, and for security reasons, detailed
photographs of the project are not permitted for publication, however, the below