The document provides 5 tips for becoming an irreplaceable member of any project team: 1) Respond quickly to requests and communications; 2) Follow through on commitments or inform others if unable to; 3) Show enthusiasm to motivate others; 4) Take responsibility for your own work rather than hiding behind others; 5) Communicate issues early before they become problems. The tips advise being responsive, reliable, engaged, accountable and proactive in addressing concerns to contribute value as a team member.