Collective Success
Collective Success

Collective Success

Collective SuccessCollective SuccessCollective Success

Engineering leadership and governance

Professional engineering, independent procurement, contract and construction management.

Let's talk

0212600097

Collective Success

Collective SuccessCollective SuccessCollective Success

Engineering leadership and governance

Professional engineering, independent procurement, contract and construction management.

Let's talk

0212600097

True success comes from collective effort

Stronger together

Stronger together

Stronger together

Winning teams play to their strengths.  By adding our expertise to your team's talents, we'll all benefit.  We're easy to work with - we know quality experiences build quality relationships.

Clear pricing

Stronger together

Stronger together

Engineers have a reputation for being really bad at estimating fees.  Not us - we hate that!  So our pricing structure is no-nonsense and clear. You know up front exactly what to expect. 

Diverse

Stronger together

Diverse

Our greatest strength is our diverse networks in technical engineering and the community. We have great relationships within and outside of our industry, from our progressive outlook. This makes us ideal for unusual, complex and sensitive work. 

Ways we can help

Bids & Tenders

Professional civil engineering on demand

Professional civil engineering on demand

Expert bid support and experienced, Qualified Tender Evaluation, including for Waka Kotahi-funded projects.  We are very, very good at bids & tenders, and have worked on some of Aoatearoa's biggest projects. 

Professional civil engineering on demand

Professional civil engineering on demand

Professional civil engineering on demand

We can offer professional civil engineering on a short-term contract basis. Early advice, concept designs, design reviews, and specifications. Experienced in land development, civil infrastructure and roading, we can work independently or as part of your team.

Project delivery

Constructive Diversity

Constructive Diversity

Experienced in acting as Engineer to Contract (3910, 3917), and client-side project risk advice.  We specialise in unusual, sensitive and difficult projects that leverage technical expertise, financial understanding and strategic capability.   We're safe hands for this work. 


Constructive Diversity

Constructive Diversity

Constructive Diversity

We'd love to talk with you about  diversity in the construction industry, navigating the challenges of a changing landscape, and how your business can get an edge on the others through diversity.  We can offer strategic advice, mentoring, network connections and more.  

Sina Cotter Tait - Director, Principal Engineer

Quals

BE(Hons) MBA (Dist)  PhD 

NZCert Infrastructure Procurement ProceduresL6

CPEngNZ CMEngNZ FEngNZ CMInstD


A proud graduate of the University of Canterbury, Sina has over 20 years' experience in consulting engineering as a professional civil engineer. A former member of the Engineering NZ Governing Board,  she's currently serving  in a governance capacity for a range of infrastructure-related agencies, including the board of CEAS, the Engineering NZ Foundation, as well as Te Waihanga (the Infrastructure Commission). In 2021 she was awarded the Engineering New Zealand Fulton-Downer Gold Medal for her contribution to the profession, and in 2022 she was elected a Fellow of Engineering NZ. 

Areas of Expertise

Sina's experience in construction procurement and delivery covers a wide range of major multidisciplinary projects, including PPPs and JVs. She has depth of experience in project delivery, including serving in Engineer to Contract, Project Director and Procurement Manager roles.  Her strength in tendering and construction procurement is based on both hands-on experience in the industry, and leading academic research - particularly relationship management.   She's currently serving on the boards of Whitestone Contracting, KiwiRail Holdings,  the Canterbury-Kaikoura Lotteries Committee, the Ōtautahi Community Housing Trust, and the Christ Church Cathedral Reinstatement Review Panel. And she has strong passion for Aussie shiraz.


https://www.linkedin.com/in/sinacottertait/

What's my Why?

He tangata. True success is when you bring others with you

Contact Sina

 Ehara taku toa i te toa takitahi engari he toa takitini
 

It is not my strength alone, but the strength of many that contribute to my success


 A fia vave oo lou va’a, alo na o‘oe, ae a fia tuli mamao le taunu’uga tatou ‘alo’alo faatasi 

If you want to go fast, go alone. If you want to go far, go together

Our two cents

How are we different?

Trusted, reliable

Networked, collaborative, collective

Trusted, reliable

Trust, reputation and integrity is everything .  We look after our relationships first.

Different, driven

Networked, collaborative, collective

Trusted, reliable

We're diversity-oriented and lifelong learners. We're determined to make a difference in our world

Networked, collaborative, collective

Networked, collaborative, collective

Networked, collaborative, collective

We have a wide and unusually diverse network of contacts

Strategic Partners

Helen Pullar | EngDevnz

Helen brings extensive experience as a Principal civil engineer, specialising in  procurement, contract management, project management, and transportation projects.  Helen's expertise  includes estimating, risk assessment, and Engineer to Contract experience for NZS3910 contracts, with over 29 years' experience in managing major projects.  Helen's a qualified Tender Evaluator for Waka Kotahi projects, and also holds a  specialist qualification  in  Dispute Resolution.  


ph: +64 27 220 1760 

email: helen@engdevnz.co.nz 

Elle Archer | ELG

Geospatial data, underground infrastructure and strong industry leadership.  Elle's proven skills span from coalface to the boardroom - she connects, implements, and offers strong, sound advisory for businesses in the construction sector. She's also a connector - an asset for clients looking to expand their strategic partnerships.

Contact us

Obligation-free quote, or another query? Whatever's easiest for you works for us.

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sina@collectivesuccess.co.nz 

Collective Success

021 260 0097

Testimonials

 “Putting together winning proposals needs someone you can trust to understand construction risk, client drivers and bid strategy – and then turn this into great bid document content.  From working closely with Sina on some of our largest bid documents I can confidently say she knows how to do this.  Her positive approach gets the right input from the right people at the right time. She is great to work with.”  


- Tony Shears, Buildings Director - WSP Opus

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