1 Evaluation


  1. How many module types ( H/W/L)

  2. Size of largest module

  3. Truck size, access, availability

  4. Weight of largest module

  5. Crane size , access , availability, duration

  6. Duration of project

  7. Stage of architectural design ( Feasibility/PP)

  8. Finishes wall , ceiling ,floor, external facade

  9. Expertise from developer’s design team

  10. Source  appropriate  product type, availablity, cost, capability, competency

  11. Logistics - port, holding,destination

  12. Form of contract - D&C or supplied by developer ( Warranties/Enforcement)

  13. Financing/ Milestone payments/securitisation


2 Design


  1. Project Scope - Design demarcation offsite/onsite

  2. Project Scope - Contractor demarcation offsite/onsite

  3. Selection of manufacturer (product and system identificationInclusions/exclusions)

  4. Selection of project members ( Design /Contracts/Construction mgrs)

  5. DM - Design parameters - non negotiables

  6. DM - Risk analysis and register - Fire/Structure/Materials

  7. DM- BIM mgmt protocols/ demarcation

  8. DM- Selection of design consultants

  9. Prototype - programme/shopdrawing/ ITPs /sign offs

  10. Sequencing of installation

  11. PM - Project mgmt plan

  12. PM - Doc control and Change mgmt

  13. PM - WBS

  14. PM -  Procurement planning  protocols/demarcation


3 Fabrication


  1. DM - shopdrawing reviews,, coordination, clashes, change register

  2. DM - final selection of materials

  3. DM - ITPs

  4. PM - QA/QC

  5. PM - Programme, Cost

  6. PM - Doc control and Change mgmt

  7. Test Assembly

  8. Packing ( Water)

  9. Shipping, Customs, Quarantine

  10. PM - Programme, Cost

  11. PM - Doc control and Change mgmt


4 Installation


  1. Safety

  2. Delivery

  3. No entry

  4. No leaks

  5. Hold points

  6. Setout/ sequence

  7. Connect

  8. Tolerances

  9. Risers

  10. Roof

  11. Facade




Prefab Design Checklist

Volumetric Modular Construction will save time and cost if the project suits this method of construction and the right approach is taken. Here is a sample checklist to guide you in evaluating and planning a project using this method of construction