TDC Takaka CBD Fire Fighting Scheme

Client :
  Tasman District Council.

Engineer :
  MWH - James Tomkinson.

Contract Manager :
  Scott Brookland.

Completed Value :
  $ 989,395.

Start Date :
  February 2011.

Practical Completion Date :
  June 2011.

Overview :
Construction of a new fire fighting water supply reticulation for the Takaka CBD, Golden Bay.

Specific Scope :
  - Pipelaying of 1.8km of 150Ø and 200Ø uPVC watermains.
  - Installation of air valves, hydrants and other associated fittings.
  - Supply and install submersible bore pumps, pressure vessel and flowmeter.
  - Supply and install generator, electrical control and telemetry.
  - Pressure testing and commissioning of pipelines and system.
  - Traffic Management in busy CBD area.
  - Liaison and working in with local businesses.

NCC Point Road Watermain Upgrade

Client :
  Nelson City Council.

Engineer :
  Nelson City Council - Alec Louverdis.

Contract Manager :
  Sarah Boulton.

Completed Value :
  $ 561,465.

Start Date :
  January 2011.

Practical Completion Date :
  June 2011.

Overview :
Construction of new and replacement domestic water supply pipelines at Point Road, Monaco, Nelson.

Specific Scope :
  - Supply, butt weld and install 716m of DN180 PE watermain pipe.
  - Supply and install 1030m of DN150 uPVC watermain pipe.
  - Supply and install 286m of DN63 PE ridermain.
  - Supply and install 370m of service connection pipes to approximately 80 residential properties.
  - Pressure testing (static and rebound) of all pipelines.
  - Carriageway reinstatement.
  - Temporary traffic management.
  - Liaison with residents.

NCC Stoke High Level Reservoir

Client :
  Nelson City Council.

Engineer :
  Nelson City Council - Alec Louverdis.

Contract Manager :
  Tony Munnerley.

Completed Value :
  $ 286,525.

Start Date :
  March 2010.

Practical Completion Date :
  September 2010.

Overview :
Ching Contracting Ltd were engaged as a major subcontractor to construct new inlet, outlet, overflow and scour pipelines for a new 2,500,000 litre potable water supply reservoir for Nelson City. While on site we also undertook construction of subsoil drainage under the new reservoir floor slab, site stormwater drainage pipelines & structures and minor earthworks.

Specific Scope :
  - Detailing and ordering of DN375 and DN300 concrete lined steel (CLS) pipeline components and fittings (manual and actuated valving, non return valves, electronic flowmeter etc.).
  - Installation of new DN375 and DN300 CLS pipe work and fittings to high levels of accuracy to ensure tie-in to the new resevoir structure and connection to the existing potable water supply pipelines.
  - Pressure testing of newly constructed pipelines.
  - Physical cut-in's of new pipe work into the existing potable water supply reticulation including planning and working with the Nelson City Council and their utilities contractor for shutdowns of the water supply to allow the work to ne completed.
  - Construction of subsoil drainage under the new reservoir floor slab.
  - Construction of new site stormwater pipelines, sumps, manholes and fluming.
  - Minor site earthworks.

MDC Havelock Reservoir

Client :
  Marlborough District Council.

Engineer :
  Marlborough District Council - Bruce Oliver.
  CH2M Beca - Doug Stirrat.

Contract Manager :
  Tony Munnerley.

Completed Value :
  $ 170,289.66.

Start Date :
  July 2010.

Practical Completion Date :
  November 2010.

Overview :
Ching Contracting Ltd were engaged as a major subcontractor to construct new inlet, outlet, overflow and scour pipelines for a new 450,000 litre potable water supply reservoir for the Havelock township. Our scope of works also included decommissioning and demolition of four of the existing five reservoir tanks, excavation and hardfilling under the new reservoir floor slab, site stormwater

drainage pipelines & structures and flowmeter chamber construction.

Specific Scope :
  - Detailing and ordering of DN200 and DN100 stainless steel (SS) pipelines and DN225 to DN90 polyethylene(PE) pipelines and associated fittings (valving, non return valves, dismantling joints etc.).
  - Detailed planning and sequencing of isolation procedures to allow partial demolition of existing reservoir structures while maintining water supply to the Havelock township.
  - Installation of new DN200 and DN100 SS pipelines under new reservoir concrete floor area to high levels of accuracy to ensure tie-in to the new resevoir structure levels and position.
  - Butt fusion and Electrofusion welding of new DN225 to DN90 PE pipelines from new SS pipework to cut-in locations of existing water supply pipelines for Havelock township.
  - Pressure testing and disinfection of newly constructed pipelines.
  - Physical cut-in's of new pipe work into the existing potable water supply reticulation including planning and working with the Marlborough District Council utilities staff for shutdowns of the water supply to allow the work to ne completed.
  - Construction of subsoil drainage under the new reservoir floor slab.
  - Construction of new site stormwater pipelines and sumps.
  - Testing and disinfection of the new reservoir.

TDC Mapua Watermain Upgrade

Client :
  Tasman District Council.

Engineer :
  MWH.

Contract Manager :
  Scott Brookland.

Completed Value :
  $ 380,236.80.

Start Date :
  May 2007.

Practical Completion Date :
  July 2007.

Overview :
Construction of 1000m of DN315 PE watermain from Best Island to Rabbit Island, crossing two tidal estuaries.

Specific Scope :
  - 1000m of DN315 PE butt fusion and electrofusion welding.
  - Installation of pipeline across estuary with digger on barge, towed by log hauler.
  - 200m directional drill through marine channel.
  - Open trenching within estuary environment.
  - Pressure testing and commissioning of new pipe line.

NCC Cast Iron Watermain Renewals Stages I & III

Client :
  Nelson City Council.

Engineer :
  Shane Davies.

Contract Manager :
  Tony Munnerley.

Completed Value :
  $ 1,127,079.61 (Stage I $503,391, Stage III $623,688).

Start Date :
  Stage I - Dec 2004 / Stage III - Aug 2006.

Practical Completion Date :
  Stage I - Jun 2005 / Stage III - Oct 2007.

Overview :
These two contracts involved the replacement of aging cast iron watermain pipelines at 20 different locations agound the Nelson city area.

Specific Scope :
Included in completing these two contracts were:
  - Installation of 262m of 150mm uPVC watermain pipeline.
  - Installation of 2885m of 100mm uPVC watermain pipeline.
  - Installation of 152m of DN110mm MDPE watermain pipeline.
  - Installation of 160m of DN125mm MDPE watermain pipeline.
  - Installation of 187m of DN63mm MDPE watermain pipeline.
  - Installation of 1922m of DN50mm MDPE watermain pipeline.
  - Installation of 70m of DN32mm MDPE watermain pipeline.
  - Installation of 1551m of DN25mm MDPE watermain pipeline.
  - Installation of 304m of directionally drilled watermain pipeline.

  - Construction of associated valving, hydrants, bends, thrust blocks etc. associated with the above pipelines.
  - Pressure testing af all pipelines installed.
  - Temporary Traffic Management on all sites.
  - Planning and execution of numerous watermain shutdown to connect new pipelines to existing reticulation.
  - Hook over of several hundred service connections to newly commissioned pipelines.
  - Liaison with residents, businesses and schools affected by the contract works.
  - Provision of temporary water supplies, if required, for schools, rest homes and businesses during shutdowns.

NCC AC Watermain Renewals Stage I

Client :
  Nelson City Council.

Engineer :
  Drew Hayes.

Contract Manager :
  Tony Munnerley.

Completed Value :
  $ 400,031.

Start Date :
  March 2008.

Practical Completion Date :
  November 2008.

Overview :
Replacement of asbestos cement (AC) watermain pipelines at three locations in the Nelson City area.

Specific Scope :
Included in completing these two contracts were:
  - Installation of 624m of 150mm uPVC watermain pipeline.
  - Installation of 436m of 100mm uPVC watermain pipeline.
  - Installation of 20m of DN40mm MDPE watermain pipeline.
  - Installation of 262m of DN25mm MDPE watermain pipeline.

  - Construction of associated valving, hydrants, bends, thrust blocks etc. associated with the above pipelines.
  - Pressure testing af all pipelines installed.
  - Temporary Traffic Management on all sites.
  - Planning and execution of numerous watermain shutdown to connect new pipelines to existing reticulation.
  - Hook over of several hundred service connections to newly commissioned pipelines.
  - Liaison with residents, businesses and schools affected by the contract works.
  - Provision of temporary water supplies, if required, for schools, rest homes and businesses during shutdowns.

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