Engineering Consultancy Firm | NSW - JHK and Associates Pty Ltd

Current Major Projects

Project- Civil Engineering Investigations and Design at Booderee National Park– Depot Carpark & Visitors Centre Carpark, Jervis Bay NSW

Client- Tenterfield Shire Council Project- Investigation and Concept Design of Dumaresq Flood Channel Bridge

Client- Parks Australia
Project- Civil Engineering Investigations and Design at Booderee National Park– Depot Carpark & Visitors Centre Carpark, Jervis Bay NSW

Investigation and design for pavement, parking and traffic flow for Depot Carpark and Visitors Centre Carpark and Entry. Preparation of documentation to accompany future Construction Tender.

Client- Tenterfield Shire Council
Project- Investigation and Concept Design of Dumaresq Flood Channel Bridge

Detailed visual inspection to identify any defects which may affect the structural capacity of the bridge and record all such defects for future use.
Review the condition of the existing bridge and carry out detailed assessment if the exiting bridge will support SM1600 loads.
Coordinate and carry out site investigation including detailed land survey, geotechnical investigation and a detailed flood study.
15% concept design package for an new bridge including relevant drawings
and cost estimates.

Client- Australian National Maritime Museum
Project- Improved Waterfront Facility

Maritime Consulting Engineer involved in the design of an improved waterfront facility with strict consideration for the health & safety of the intended users of the facility by replacing the exiting waterfront infrastructure with a new Jetty and pontoon system aiming for innovation in material selection, low maintenance outcomes and a high level of end user satisfaction.

Past Major Projects

Client- Bega Valley Shire Council
Project- Consultancy for the Design of Boat Ramps & Pontoon systems at BERMAGUI HARBOUR and PAMBULA LAKE (BROADWATER).

Coordination of site investigations, land survey, Cadastral Survey and Geotechnical investigation
Concept design of the boat ramps, parking layouts, new pontoon systems, Kayak pontoon etc. including Safety in Design assessment of concept design approach.
Participation of review process with stake holders and Council
Concept Design of Pontoon system for Floatation, Stability and detailed design of Pontoon stabilising piles for Structural adequacy for lateral environmental loads.
Detailed design of Reinforced Concrete Boat ramps including armour rock stability and protection against current and wave.
Tender specifications and drawings.

Client- Walcon Marine Australia
Project- Yarra Botanicals Pontoons, Southbank VIC

Maritime Engineers for the design and certification of a pontoon system 60m long 11m wide comprising of a series of individual pontoon units connected with a series of stiffener beams. The pontoon system was designed to support two storey building structures and crowd loading for a licenced catering venue.
Design of Pontoon system for Floatation, Stability and Structural adequacy and Design certification.
Design of connections between individual pontoon units to aim limited deflection criteria for different sets of loading criteria of superimposed loads and mobile live loads.
Design of mooring brackets for ground and underwater moorings for flood event up to 1% AEP.

Client- Australian Venue Co. Limited
Project- Yarra Botanicals Pontoons, Southbank VIC

Engineering design and certification of the gangways and moorings provided to the floating facility of 60m in length and 11m in width.
Design and detailing of Access Platform, two Gangway and connections consisting of Aluminium Frame.
Design and detailing of Pontoon mooring and anchoring system for 1%AEP flood events comprising of ground mooring points and 3T mooring blocks laid in the bed under the pontoon system

Client- Walcon Marine Australia
Project- Yarra Botanicals Pontoons, Southbank VIC

Maritime Engineers for the design and certification of a pontoon system 60m long 11m wide comprising of a series of individual pontoon units connected with a series of stiffener beams. The pontoon system was designed to support two storey building structures and crowd loading for a licenced catering venue.
Design of Pontoon system for Floatation, Stability and Structural adequacy and Design certification.
Design of connections between individual pontoon units to aim limited deflection criteria for different sets of loading criteria of superimposed loads and mobile live loads.
Design of mooring brackets for ground and underwater moorings for flood event up to 1% AEP.

Client- BGIS Pty Ltd
Project- Structural Inspections at NSW Defence Establishments

Visual inspections of mast and tower structures
Inspection of damages within structure, base structure, guy cables, antenna ropes, anchor poles and wind-up assembly.
Provision of detailed condition reports outlining specific asset numbers and location sketches with detailed photographs
Schedule of Maintenance Repair Report including proposed remedial actions

Client- Taspan (Civil Contractors)
Project-Reinforced / Prestress concrete Bridges Tasmania

Design and documentation for bridges consisting of Reinforced and Pre-stressed concrete beams, Reinforced concrete abutments and Piers, Wingwalls and approaches including shallow and deep foundations

Client-Hanson Construction Materials Pty Ltd
Project- Structural condition audit of 52 Hanson Concrete Batch Plants and Quarries in NSW.

Structural Audit of Concrete Plants including carrying out visual inspections and Condition Survey, detailed report setting out the findings of the visual engineering inspection and structural audit and design / document remedial works.

Client- Liverpool City Council
Project-Casula Powerhouse Arts Centre

Condition assessment of the existing Chimney and support guy cables.

Client-Hanson Construction Materials Pty Ltd (Pioneer Construction Materials Pty Ltd.)
Project- Condition Survey, report and design / document remedial works on Blackwattle Bay Wharf. Blackwattle Bay, Sydney

Work involved are to carry out an above water and under water engineering inspection of the Wharf, to prepare an assessment report of the condition of the wharf structure and its load capacity and to propose suitable repairs to bring the wharf to an acceptable load capacity.

Client-Viva Energy Australia Pty Ltd
Project- Condition Survey of waterfront structures at the Gore Bay Oil Terminal

Part of 5-year structural audit and Report including Condition rating, Priority rating and suggested repairs.

Client- Boating Industry Association of NSW
Projects-Sydney International Boatshows 2007-2022

Design, inspection and certification of the temporary (up to) 200-berth floating pontoon marina facility in Cockle Bay, Darling Harbour

Client- Shellharbour City Council
Project- Reddall Reserve Boat Ramp reconstruction

Geotechnical site investigation with land/ seabed surveys
Concept and detailed design & documentation
Technical specification and assistance with tender documentation
Arranging cost estimate for construction by quantity surveyor

Client- HDSA Group.
Project- Detailed pile design for pile replacements at The Moorings marina located at Walsh Bay 6/7, 19B Hickson Road Dawes Point.

Preparation of extensive design report, detailed design of up to 45 nos. of piles and complete design documentation including shop drawings for fabrication of new piles. Extensive ITP process to secure and use piles and on welding process.

Client-Viva Energy Australia Pty Ltd
Project- Design and documentation of fender and fender piles replacement for Wharf 2 at Gore Bay.

Design and documentation and assisting in supervision the Design of fender piles, Selection of Cone Rubber Fenders and Element fenders . Carried out a review of the capacities of the existing dolphins and wharf 2 to withstand maximum design reactions from the new fenders due to berthing of nominated vessels.

Client- MDE Projects (West Gate CPBJH Joint Venture)
Project-Temporary crossings across Mooney Ponds Creek at two locations to facilitate through access for the proposed cycleway

Detailed design of Abutments, Fixed and Hinged Ramps, Pontoon system and Mooring system, detailed construction drawings, Safety in Design Report, Preparation of Design Report, Construction Drawings and Design Certificate.

Client- MDE Projects
Projects-Floating structure with two levels of building for Arbory Afloat Restaurant on Yarra River in 2018 and 2019.

Detailed design and certification of combined floatation modules and barges to create a deck space for the restaurant and two level structure comprising of kitchens, toilets, bar and a swimming pool. Also designed the anchoring system to retain the structure against tide, current and wind forces.

Client-MDS Marine (MDS Aus Pty Ltd)
Project- Design and certification of Floating Walkway pontoons and Mooring finger pontoons for Arm A of Middle Harbour Yacht Club.

Finite Element modelling, structural analysis, Design check, review of the construction drawings and certification of the drawings for fabrication.

Client-Walcon Australasia Pty Ltd
Project- Shellharbour Marina Piling Stages1-3

Finite Element Modelling of Pontoon systems, Design and certification of 156 no's of floating pontoon stability piles providing up to 261 berths for vessels 10m to 30m in lengths, provision of Design Reports, inspections, review of ITP and Work-as-Executed records.

Client-Walcon Australasia Pty Ltd
Project-Greys Beach Landing Facility

Finite Element modelling of a main pontoon system and a secondary pontoon access system and abutment, widening of existing boat ramp, design check, review of the construction drawings and certification of the drawings for fabrication and construction.

Client-Liverpool City Council
Project-Davy Robinson Reserve boat ramp & Pontoon facility

Carried out master planning with the Council, concept and detailed design of new RC Boat Ramp including pile support, articulated pontoon facilities, pontoon support piles, construction inspection and certification.

Client-MDS Marine (MDS Aus Pty Ltd)
Project-Floating Walkway pontoons and Pump pontoons for at Ravensworth South Mine at Void 5.

Design of steel framed pontoon system for pumps, articulated walkway pontoon system, articulated access pontoon unit to support switchboards, three articulated pontoon units, supporting 1300Kg single Control Discharge Pumps, laterally supported by two R C mooring blocks.

Client-MDS Marine (MDS Aus Pty Ltd)
Project-Operators' Landing Pontoon and Gangway to Hawthorne CityCat Terminal, Queensland.

Structural Design of articulated access pontoon system made of aluminium frame with decking, including Al. handrails supported on Polyethylene Foam Filled Polyurethane Flotation Modules and 11.2m long Al. Gangway, inspection and certification.

Client-MDS Marine (MDS Aus Pty Ltd)
Project-Operators' Landing Pontoon and Gangway to Hawthorne CityCat Terminal, Queensland.

Structural Design of articulated access pontoon system made of aluminium frame with decking, including Al. handrails supported on Polyethylene Foam Filled Polyurethane Flotation Modules and 11.2m long Al. Gangway, inspection and certification.

Client-Walcon Australasia Pty Ltd
Project-The Elizabeth Quay project in Perth, WA.

Finite Element modelling, Structural Checking and Certification of Floating Pontoons and Ramp system for Two Floating Short Stay Jetties, on the eastern and western sides of the inlet and a Floating Ferry Berth.

Client-Shell Refining (Aust.) Pty Ltd (Viva Energy Australia Pty Ltd)
Projects-Design and documentation of Berthing arrangements for LR and MR tankers, Gore Bay, Sydney NSW.

Design and detailing of a triangulated structural steel framework, spanning between the existing dolphin structure and the loading head deck, to support a suitable Cell-Dock fender at the berthing face for nominated Medium Range vessels.
Design and detailing of the removal and disposal of the existing rubber fender units and structural steel fender frames installed on the dolphins to Wharf 1, and new structural steel fender frames and four (4) new pneumatic rubber fenders to support the berthing of 130,000 DWT oil tankers.

Client-MDS Marine (MDS Aus Pty Ltd)
Project-upgrade of the floating pontoon facility for the HMAS Creswell Captain’s Wharf Remediation project.

Concept and detailed design of Pontoon and ramp system, certification of documentation for construction, Inspection and certification.

Client-Hawkesbury City Council
Project-Reconstruction of Windsor Wharf facilities

Structural Design of Structural Steel Framed Main and Stub Jetties on Structural Steel Piles, Aluminium Ramps, Structural Steel Pontoons & Stability Piles for Windsor Wharf at Windsor

Client-The Government of Norfolk Island
Project-Demountable Wharf Facilities For Kingston Wharf & Cascade Jetty

Structural Design and inspection of a floating pontoon facility moored adjacent to the existing landing steps at the Kingston Wharf. Concept Design for Cascade Jetty to provide a suitable landing / mooring facility in clear water depths for the passenger tenders from the visiting cruise ships.

Client-Liverpool City Council
Project- Seawalls for redevelopment of Davy Robinson Reserve boat ramp & Pontoon facility.

Master planning, concept and detailed design of Reinforced Concrete retaining wall and head wall, major Rip-Rap embankment protection, construction inspection and certification.

Client-Various Private Strata Owners
Projects-Repairs to existing Sandstone seawall to withstand ferry wash along waterfront on Waruda Street, Kirribilli.

Detailed design of procedures to arrest and treat erosion on sandstone seawalls, initiation of a Diver’s Inspection and Report on the existing seawall, engineering site inspections, Engineering Plans, initiation of a Geotechnical Investigation and preparation of reports, arrange and supervise an injection grouting procedures to increase the stiffness / compaction of the loosely compacted fill behind the seawalls and stormwater drainage design

Client- Ryde City Council
Project-Concept and detailed design of seawall and feature steps at Putney park

Structural assessment of the existing seawall to evaluate the current condition and the structural options to raise the height of the seawall and Detailed design and documentation including budget estimates of the Beach activation programme

Client- Lubrizol International Inc.
Project- Design of Seawall and associated pavements at 28 River St, Silverwater NSW 2128

Detailed design and documentation, obtaining DA and CC from Auburn Council, inspection of construction and certification of construction of seawall and associated land and pavement works of seawall consisting of Structural steel UC king piles installed on the river bank with PC panels laid in between the king piles forming a series of vertical seawall.

Client-Woollahra Municipal Council
Project- Structural Assessment of Seawalls

Detailed inspection, measurement, condition assessment of seawalls on the foreshore alignment fronting Council reserves, street frontages, open space areas and other public areas or public Right of Ways between residential properties and Mean High Water Mark

Client- Liverpool City Council
Project - Casula Powerhouse Arts Centre-Structural assessment of the existing 40m high Chimney and support guy cables

Detailed site investigation, Calculations of wind loads, desktop 3D finite element modelling including review of applicable fatigue performance, Finite Element Analysis of the Chimney for wind loads and structural and fatigue assessment of the chimney with and without the guy wires support and the preparation of structural report.

Client-Moananu Constructions Pty Ltd
Project-Structural design of a New Church and Hall-EFKS for Reverend Peleti and Samoa Church

Detailed design and documentation of RC Foundation & Ground floor slab, Reinforced Concrete columns, Steps and Landings, Structural Steel Portal Frames and Stair, Reinforced Masonry Walls ,Reinforced Concrete beams and slab, Timber and Structural Steel Roof members except Portal Frames, Typical details of Reinforced Rigid Pavement

Client-Nowra Bowling Club
Project-Design of structural and civil works for extensions and modifications

Structural design and documentation of the slab and the foundation, first floor slab, staircase and roof structures and foundation design.

Client-Australian War Memorial
Project- Structural Design and Documentation for Outpost Cafe.

Design and detailing of Bulkhead structure over the Servery area of the Outpost Café.

Client-Duggan Family Holdings Pty Ltd
Project-Dandaloo Hotel Additions - Structural design of Motel Unit additions in Dapto, NSW.

Structural Design and documentation of the Slab and the Foundation, first floor slab, staircase and roof structure for the Hotel Extension

Client-Bradshaw Contracting
Project-Condition & Heritage assessment, Repairs, addition of platforms to Thirlmere Railway Station & Museum

Condition assessment, structural design, tender documentation for Restoration of Heritage Assets for State Rail Authority. The design components were:
Design of support structure for Waiting Shed
Technical advice on Resealing Hardstand area, Refurbishment of Station, Good Shed, Signal Box and Waiting Shed Buildings
Preparation of Complete Tender Documentation for the entire works
Preparation of necessary Development Application

Client-Intercept Design
Project- Structural Design for 8 units Residential Development at Raymond Terrace, NSW.

Structural Design and documentation of the Slab and the Foundation, external works including pavement, drainage and retaining walls

Client-CSR Monier Wunderlich
Project-New Dry Clay Storage Facility for CSR Monier Wunderlich, 10, Grand Avenue, Rosehill, NSW.

Civil & Structural Design of Portal Frames, Retaining Wall, Pile Foundation and External works including Rigid Pavement & Tender Documents.

Client-Parramatta City Council
Project-Parramatta to Ermington Cycleway

Engineering design & documentation of three metre wide concrete pathway for the various site conditions, various aluminium structural elements of the accessway, boardwalks and viewing platforms through mangrove areas and / or over water, supported on light screw piles.