Piling Projects

Project Name - University of Auckland Engineering School

Project description	Drill 900mm diameter and 1200mm diameter building piles approx. 20m deep with all piles being spiral grooved
Machine used	2 x Soilmec drilling rigs
Special difficulties	Project finished ahead of schedule and on budget

Project Name - Grower's Stadium, Pukekohe - Light Foundations

Project description	Construct 1500mm diameter x 10m deep piles for light towers
Machine used	Soilmec R312
Special difficulties	As this is a rugby stadium, no damage could be caused to the grounds. Project completed on schedule

Project Name - Rydges Hotel, Auckland

Project description	Construct 17 piles ranging from 450mm diameter to 750mm diameter up to 20m deep with all piles being spiral grooved
Machine used	Soilmec CM39 and pendulum machines
Special difficulties	Traffic management and pedestrian access required. Restricted site area to work in

Project Name - Rydges Hotel, Auckland

Project description	Drill 5 x 450mm diameter x 16m deep micro piles to underpin and strengthen existing foundations
Machine used	MTrack
Special difficulties	A challenging project as drill heads had to be altered to penetrate through rock and there was limited head height

Project Name - Queenstown Road access shaft

Project description	Drill 2.4m dia x 10m deep shaft to retrieve a locked drilling head
Machine used	Soilmec R312
Special difficulties	Traffic management required and a restricted site area to work in

Project Name - 1 Hobson Street, Auckland

Project description	Construct pile foundations for high rise building with underground carpark
Machine used	Soilmec CM39
Special difficulties	Penetration through existing seawall required

Project Name - Warwick Street, Westmere

Project description	Drill 12 x 450mm diameter x 6.5m deep house piles for basement
Machine used	MTrack
Special difficulties	Limited headroom

Project Name - Hepburn Substation, Auckland

Project description	Drill 1500mm diameter x 4m deep pole foundation for wires feeding into substation
Machine used	Volvo 14T
Special difficulties	Overhead power wires

Project Name - Vodafone Tower, Pt Chevalier

Project description	Construct cast in-situ pile foundations 900mm diameter x 15m deep for Vodaphone tower
Machine used	Soilmec CM39
Special difficulties	Site had to be kept clean at all times due to close proximity to road

Project Name - Blockhouse Bay

Project description	Install five (5) screw piles with adjusting corbel heads to support footings
Machine used	EX120
Special difficulties	House was sinking

Project Name - Screw Piles, Wiri

Project description	Install cluster of four screw piles under pad foundation to support abutment for a new pipe bridge
Machine used	MTrack

Project Name - Timber Retaining Wall, Howick

Project description	Retain along boundary of property, excavate driveway and construct further retaining wall for new right of way
Machine used	EX40
Special difficulties	Creating right of way for new subdivision behind existing house

Project Name - Drake Street, Auckland

Project description	Soldier pile retaining wall on boundary of construction site, topdown construction used to create basement for new high rise building
Machine used	Soilmec CM39 & Volvo 14T
Special difficulties	Restricted access, limited workspace, drilling against existing buildings and restricted work hours due to residential properties in the vicinity. Old water wells on property had to be cased and cleaned out to enable location of new piles

Project Name - Waimauku Village, Auckland

Project description	Drilled and placed poles with concrete, drove poles, and installed tiebacks to deadman to strengthen 100m long x 3.5m high timber retaining wall
Machine used	PD1200 & PC200
Special difficulties	Working in conjunction with earthmoving contractor constructing new retaining wall for village shops. Limited timeframe for completion of project

Project Name - New World, Remuera

Project description	Drill and constructed 20 piles for refurbishment of supermarket
Machine used	Yanmar 1.5T
Special difficulties	Confined space, work had to be carried out through the night before opening the next day and aisles had to be kept clean

Project Name - Ranfurly Street, Epsom

Project description	Drill 600mm dia x 7m deep soak hole behind house
Machine used	EX40
Special difficulties	Difficult access

Project Name - Hobsonville, Auckland

Project description	Abutment retaining piles for new bridge
Machine used	Mercedes Unimog

Project Name - Access shaft, Orakei, Auckland

Project description	Drill 2.6mm diameter x 15m deep access shaft and install caisson onto sewer line
Machine used	Soilmec R312

Project Name - Bridge Widening Abutments, Glenbrook

Project description	Pile drive steel universal columns for bridge widening abutments. Piles were spliced and driven to achieve design loading
Machine used	PD1200
Special difficulties	Environmental issues – no contamination of stream

Project Name - Herne Bay

Project description	Drill 73 x 450mm to 600mm diameter x 9m deep piles along boundary line for excavation of new basement for house
Machine used	Volvo 14T

Project Name - Great South Road, Penrose

Project description	Drill 600mm diameter sign foundation into solid basalt rock
Machine used	Soilmec R312
Special difficulties	Traffic management required as working on roadway

Project Name - Slip Repair, Auckland

Project description	Drill 600mm diameter x 15m deep piles for slip repair
Machine used	Soilmec CM39
Special difficulties	Working off existing road to stabilize potential slip

Project Name - Chonny Crescent, Manukau

Project description	Drive 400mm square x 15m long precast concrete piles for under new silos
Machine used	PD6000
Special difficulties	Piles were installed to carry specific loadings. These were tested using a PDA unit giving an instant report showing actual results

Project Name - Stormwater Pipeline, Auckland

Project description	Drill 20 x 18m deep piles and place universal columns and backfill with sand for top down construction of vertical access shaft for installing new stormwater pipeline
Machine used	CM39
Special difficulties	Traffic management and assisting with silt control was required. Piling was a continuous operation as weak ground conditions posed a potential problem

Project Name - Transpower tower foundations

Project description	Install 12 x 1800mm diameter x 16m deep foundation with permanent caisson
Machine used	Soilmec R312

Project Name - Rosedale Outfall

Project description	Install 12m long sheet piles for 14m diameter access shaft
Machine used	Kobelco 55T crane with vibro hammer

Project Name - Bridge 51, Glen Eden Railway Station

Project description	Drilled piles at side of railway line for new pedestrian bridge
Machine used	Soilmec CM39
Special difficulties	Working in the rail corridor with consequent limited room and working hours

Project Name - Lift shaft at Great South Road, Manurewa

Project description	Drilling a lift shaft in concrete floor
Machine used	MTrack
Special difficulties	Commonly used in residential housing and light commercial buildings for drilling to install casings inside pile hole for lift shaft rams

Project Name - Kerikeri Bridge

Project description	Drilled and constructed 900mm diameter piles using permanent casings down to rock. Pier piles were in clusters of 10 with abutment piles each end
Machine used	R312

Project Name - Ormiston Road Bridge

Project description	Drilled 16 cast in situ piles x 750mm diameter x 13m deep and drove 98 350SED poles ranging from 4 – 8m in length
Machine used	Soilmec R312 and PD1200 pile driver