OUR SERVICES

 
 

Farm & Forestry Bridges

Any bridge, any length, anywhere.

If you are looking for a company with almost two decades of experience successfully tackling over 100+ custom bridge construction projects in difficult remote locations in the farming, forestry, road, rail, mining and private sectors then look no further.

  • Dennis Industries takes your bridge structure from concept to design, building consent, fabrication, construction and final council sign-off. Each bridge design is unique to location, intended use and financial constraints.

  • All bridge components are manufactured by us and combined with our comprehensive fleet of construction equipment, allows Dennis Industries to provide a cost effective, purpose made solution.

  • Our registered engineers design permanent safe structures, fully compliant with the New Zealand Transport Agency (NZTA) bridge manual and Outdoor Structures NZ Building Code.

  • • Any length and width of bridge

    • Single span bridges up to 40m

    • Multiple span bridges

    • Concrete or steel beam

    • Bridge load capacity to suit

    • Design life up to 100 years

    • Emergency bridges available.

Sheet Piling

Dennis Industries has a proven track record on the design and installation of sheet pile structures throughout the South Island, tackling projects which are technically difficult in high density commercial sites. Our clients include local councils, major New Zealand infrastructure contractors, building companies and private developers.

  • • Permanent or temporary sheets

    • Retaining wall structures

    • Cofferdams

    • Silent piling

    • 500 tonne stock of 400mm and 600mm wide sheet pile.

    • 100 tonne stock of waling beams, H-pile props and piles.

  • • Jetted well pointing spears, manifolds and piping

    • High capacity submersible pumps

    • Diesel and electric vacuum pumps

    • Sediment tanks

Crane Hire/Lifting

Dennis Industries has been actively involved in civil engineering construction work throughout the South Island for nearly 2 decades. Over this period we have consistently reinvested profits, enabling Dennis Industries to own and operate a modern fleet of mobile and crawler cranes.

Used primarily for our civil construction activities, all cranes are available for commercial hire on a 24 hour / 7 day basis. Crane operators and dogman hold nationally recognised (NZQA) crane qualification, first aid, working at height and civil construction passport certificates. We work hard to provide our clients with the best possible equipment and service.

  • • 24 hour / 7 day service

    • Short or long term crane hire

    • All terrain mobile cranes

    • Telescopic and lattice boom crawler cranes.

    • Telehandlers

    • Chartered professional engineer lift plan engineering utilising AutoCAD drawings.

    • Lifting equipment design, fabrication and certification.

  • • Man cages

    • Spreader bars

    • Concrete skips

    • Access platforms

    • Panel Racks

    • Panel props

Stock Underpasses

Any width, any height, any length

Dennis Industries will take your stock underpass from concept to design, building consent, fabrication, construction and final council sign-off.

All stock underpass components are manufactured by us, and combined with our comprehensive fleet of construction equipment, allows Dennis Industries to provide our clients with a cost effective, purpose-made solution.

  • Each stock underpass design is unique to location, intended use and financial constraints.

  • Our registered engineers design permanent safe structures, fully compliant with the New Zealand Transport Agency (NZTA) bridge manual HN-HO-72 highway loading.

  • All concrete stock underpass components are manufactured by us on-site and come with a 100 year. design life.

Foundation Piling

Dennis Industries has a proven track record for the successful completion of a variety of different piling techniques, working with clients who include NZ Government, local councils, major NZ infrastructure contractors, building companies and private developers.

Dennis Industries operates a modern fleet of foundation piling construction equipment. We have the resources, personnel, experience and technical knowledge to install a comprehensive range of piling techniques.

  • • Steel tubes and H-piles

    • Precast or prestressed concrete piles

  • • Dynamic ground compaction

    • Stone column replacement piles

  • • Interlocking concrete ground retention piles

  • • Open holes

    • Steel casing liner (permanent or temporary)

  • • Steel Casings

Temporary Bridge & Crane Staging

Dennis Industries own 150 metres of temporary bridge staging, designed by our chartered professional engineers. Suitable to support a 250 tonne capacity crawler crane and full highway traffic loading.

  • • Steel Piles

    • Headstocks

    • Beams

    • Pre-tensioned timber deck.