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NCC Water Renewals 2016/17

Client :
  Nelson City Council

Engineer :
  Alec Louverdis / Velenjani Dube

Contract Manager :
  Sarah Boulton

Completed Value :
  $ 580,737

Start Date :
  Oct 2016

Practical Completion Date :
  Mar 2017

Overview :
Construction of replacement watermain services in Maitland Ave, Ngaio Street and Koromiko Ave, Stoke Nelson.

Specific Scope :
  - Lay 834m of DN150 uPVC PN12 pipe over 3 sites
  - Lay 730m of DN63 MDPE PN12.5 pipe over 3 sites
  - Lay 429m of DN25 & DN20 MDPE PN12.5 service connection laterals
  - 115 individual service connections
  - Pressure testing (static and rebound) and disinfection of all new pipelines
  - Plan and execute shutdowns, mains connections and service connection hook-overs for each site
  - Traffic management on live local roads
  - Liaison with local resedents and businesses during the works
  - Preparation and trench reinstatement in carriageways, driveways, footpaths and berms
  - Linemarking and ironwork painting

NCC Nayland Road Watermain Renewal

Client :
  Nelson City Council

Engineer :
  Cameron Ford - Nelson City Council

Contract Manager :
  Sarah Boulton

Completed Value :
  $ 166,777

Start Date :
  April 2016

Practical Completion Date :
  June 2016

Overview :
Watermain renewal project for the replacement of existing AC watermain in Nayland Road between Langbein Street and Rosebank Terrace.

Specific Scope :
  - Dig and lay 15m of 150mm uPVC, 440m of DN63 PE, 15m of DN32 PE and 75m of DN25 PE watermain.
  - Pressure testing to NCC requirements.
  - Connections to existing reticulation.
  - Installation of new fire hydrant to existing watermain.
  - Reinstatement of NCC carriageway and footpaths.
  - Working along side schools and businesses during peak times.
  - 408m of Chorus ducting installed.
  - Reconfiguration of existing network valving at intersection.

NCC Watermain Renewals 2015-2016

Client :
  Nelson City Council

Engineer :
  Matt Bruce - Nelson City Council

Contract Manager :
  Sarah Boulton

Completed Value :
  $ 295,604

Start Date :
  August 2015

Practical Completion Date :
  October 2015

Overview :
Nelson City Council watermain upgrades for 2015/16 for replacement of AC watermains in Marsden Road.

Specific Scope :
  - 500m of 150mm uPVC and 400m of DN63 PE watermain in Mardsen Road, Stoke, Nelson.
  - Pressure testing to NCC requirements.
  - Connections to existing reticulation.
  - Temporary above ground watermains to maintain water supply to all properties during construction.
  - Reinstatement to NCC carriageway and footpaths.

Richmond East High Level Reservoir and Pipelines (as subcontractor to Hawkins)

Client :
  Tasman District Council

Engineer :
  James Tompkinson - MWH

Contract Manager :
  Scott Brookland

Completed Value :
  $ 912,132

Start Date :
  August 2014

Practical Completion Date :
  October 2015

Overview :
Ching Contracting subcontracted to Hawkins Infrastructure to complete all new pipelines, testing and connections on this project.

Specific Scope :
  - Supply & Lay 580m of 250dia PN12 pipe to TDC Champion Road.
  - Supply and lay 375m of 250dia PN12 pipe along gravel road.
  - Supply, lay and weld DN280 PE pipe through two streams and up a very steep incline to the new reservoir.
  - Supply and lay 200m of 300mm uPVC pipe from new resevoir down steep incline to stream and construct outlet structure.
  - All testing, commissioning and hookups to existing reticulation.
  - Construction and fit out of valve chambers.

NCC Watermain Upgrades 2014-2015

Client :
  Nelson City Council

Engineer :
  John Tailby / Wale Illori

Contract Manager :
  Sarah Boulton

Completed Value :
  $ 908,800

Start Date :
  August 2014

Practical Completion Date :
  June 2015

Overview :
Nelson City Council wayermain upgrades 2014/15 for replacement of AC watermains.

Specific Scope :
  - 1327m of 150mm uPVC and 1246m of 63mm PE watermain in Kea / Kaka Streets, Polstead Rd, McMahon St, Konini St, Louisson Ave and Chamboard Pl.
  - 105 service connections to existing properties.
  - Installation of new valves and hydrants.
  - Pressure testing to NCC requirements.
  - Connections to existing reticulation.
  - Temporary above ground watermains to maintain continuous supply to all properties.
  - Reinstatement to NCC carriageways and footpaths.

Richmond Water Treatment Plant (Subcontractor to Hawkins)

Client :
  Tasman District Council

Engineer :
  Mike Roberts - MWH

Contract Manager :
  Jason Routledge

Completed Value :
  $ 595,000

Start Date :
  June 2014

Practical Completion Date :
  May 2015

Overview :
Installation of raw water and treated mains for the new RWTP. Lay new reticulation from the existing pump station in Lower Queen Street trought to Lansdowne Road. Install new sewer pump station and rising main from plant to Headingly Lane and make connections.

Specific Scope :
  - Install packaged sewer pump station at the plant. Install new 63mm pressure main to Headingly Lane.
  - Weld and install various sizes of PW watermain from DN125 to DN600, make connections and install valving to existing mains from the new treatment plant in Lower Queen Street.
  - Install flow meter and manholes.
  - Install scour line from tanks.
  - Rebound pressure test PE mains and chlorinate.
  - Install 450mm and 600mm concrete lined steel sections of inlet and outlet mains internally.

NCC Watermain Upgrades 2013-2014

Client :
  Nelson City Council

Engineer :
  Velenjani Dube - NCC

Contract Manager :
  Sarah Boulton

Completed Value :
  $ 358,637

Start Date :
  January 2014

Practical Completion Date :
  June 2014

Overview :
Nelson City Council upgrades for the 2013/2014 financial year for replacement of AC watermains.

Specific Scope :
  - 627m of 150mm uPVC and 609m of 63mm PE watermain in Nikau Street and Palm Ave.
  - 74 service connections to existing properties.
  - Installation of new valvers and hydrants.
  - Pressure testing to requirements of NCC.
  - Mains connections to existing reticulation and associated shutdowns.
  - Temporary above ground water watermains to maintain supply to properties during construction.
  - Reinstatement to NCC carriageway and footpaths.

NCC Watermain Upgrades 2012 / 2013

Client :
  Nelson City Council.

Engineer :
  NCC - Drew Hayes.

Contract Manager :
  Jason Routledge.

Completed Value :
  $ 718,878.00

Start Date :
  January 2013.

Practical Completion Date :
  June 2013.

Overview :
Nelson City Council watermain upgrades for year 2012/2013 for replacement of existing AC watermains.

Specific Scope :
   • 507m of 150mmPVC and 550m of 63mmPE watermain in Karaka Street and Orchard Street Stoke Nelson
   • 100m of 150mmPVC linking Wolf Street to Montcalm Street
   • 160m of 180OD PE by open trench and directional drilling along Rocks Road (SH)
   • 200m of 150mm PVC online replacement including temporary jumper main
   • Testing of new mains in all sites
   • New connections to all sites
   • Reinstatement to NCC Streets and footpaths

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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