Construction Purchase Order Template
Download a construction purchase order template to document suppliers, materials, quantities, pricing, delivery requirements, approvals, receipts, and project cost commitments.
Control Construction Purchases Before Costs Are Committed
A construction purchase order provides a written record of the materials, equipment, rentals, services, or subcontracted work a contractor agrees to purchase. It helps project teams confirm quantities, prices, delivery requirements, payment terms, approvals, and cost-code allocation before an order is placed.
This Construction Purchase Order Template is designed for subcontractors, specialty contractors, general contractors, project managers, estimators, buyers, quantity surveyors, warehouse teams, and accounts staff. It can be used for project materials, tools, equipment rentals, plant hire, fabrication, delivery charges, testing services, and other job-related purchases.
What Is a Construction Purchase Order?
A construction purchase order is a formal document issued by a contractor to a supplier, vendor, rental company, fabricator, or service provider. It identifies what is being purchased, the agreed price, where and when it must be delivered, and the commercial terms that apply.
Once accepted, the purchase order creates a clear record of the commitment and can be matched against delivery tickets, goods-received records, supplier invoices, and job-cost reports.
When to Use This Template
- Ordering project materials from a supplier
- Hiring plant, tools, access equipment, or temporary facilities
- Purchasing fabricated or made-to-order components
- Authorizing delivery, freight, or handling charges
- Engaging testing, disposal, hauling, or specialist services
- Controlling purchases against project budgets and cost codes
- Recording approved material substitutions
- Tracking partial deliveries and back orders
- Matching supplier invoices to approved commitments
- Maintaining a procurement record for project closeout
Who Should Use This Template?
This template is suitable for subcontractors, specialty contractors, general contractors, project managers, estimators, procurement staff, buyers, quantity surveyors, warehouse coordinators, and accounting teams responsible for ordering and tracking construction purchases.
It can be adapted for electrical, plumbing, HVAC, fire protection, roofing, concrete, structural steel, framing, drywall, painting, flooring, glazing, waterproofing, masonry, demolition, excavation, landscaping, civil works, and other construction trades.
What a Construction Purchase Order Should Include
| Purchase Order Section | Purpose |
|---|---|
| Purchase Order Details | Records the purchase order number, issue date, revision, status, and required approvals. |
| Project and Supplier Information | Identifies the project, customer, supplier, ordering company, billing address, and delivery location. |
| Item Schedule | Lists item descriptions, specifications, quantities, units, unit prices, tax, and line totals. |
| Delivery Requirements | Defines required dates, delivery windows, site contacts, unloading needs, and handling instructions. |
| Commercial Terms | Records freight, discounts, payment terms, retention, tax treatment, warranties, and cancellation conditions. |
| Cost Allocation | Assigns purchases to the correct project, phase, cost code, work package, and budget category. |
| Receipt Tracking | Compares ordered, delivered, accepted, rejected, returned, and outstanding quantities. |
| Invoice Matching | Tracks supplier invoices against the purchase order and received goods before payment approval. |
How to Use the Template
- Assign a unique purchase order number and enter the project, supplier, and delivery details.
- Reference the approved estimate, requisition, quotation, drawing, specification, or material submittal.
- Enter each material, equipment item, rental, or service as a separate line.
- Record descriptions, quantities, units, prices, discounts, freight, tax, and expected line totals.
- Assign each line to the correct cost code, work package, phase, or budget category.
- Confirm delivery dates, site access, unloading responsibilities, and storage requirements.
- Obtain the required internal approval before issuing the order to the supplier.
- Track acknowledgements, revisions, partial deliveries, shortages, damages, and returns.
- Match delivery records and supplier invoices to the purchase order.
- Close the purchase order only after all goods, credits, invoices, and outstanding commitments are reconciled.
A plumbing subcontractor issues a purchase order for 600 metres of copper tube, fittings, valves, and hangers for a hospital project. Each line is assigned to the plumbing rough-in cost code and references the approved material submittal. The order records phased delivery dates by floor, a requirement for protective end caps, and a supplier acknowledgement deadline. Partial deliveries are logged against the order and matched to delivery tickets and supplier invoices before payment approval.
Best Practices for Construction Purchase Orders
- Use unique sequential purchase order numbers.
- Require approval before placing the order.
- Use precise descriptions, manufacturer references, sizes, grades, and finishes.
- Reference approved drawings, specifications, quotations, and submittals.
- Separate material, freight, tax, rental, and service charges.
- Assign every line to the correct project and cost code.
- Record delivery dates, unloading responsibilities, and site restrictions.
- Track partial deliveries, back orders, rejected goods, and returns.
- Match invoices to both the purchase order and receipt records.
- Preserve revisions instead of overwriting the original order.
Common Purchase Order Mistakes
- Ordering before internal approval is complete
- Using incomplete material descriptions
- Failing to reference the correct project or cost code
- Omitting freight, handling, tax, or rental charges
- Not confirming delivery dates and site access
- Allowing substitutions without written approval
- Failing to track partial deliveries and back orders
- Approving invoices without receipt confirmation
- Overwriting purchase order revisions
- Closing the order before credits and returns are processed
Frequently Asked Questions
What is the purpose of a construction purchase order?
A construction purchase order authorizes a supplier to provide specified goods or services under agreed pricing, delivery, and commercial terms while recording the cost commitment against a project.
Is a purchase order the same as a supplier invoice?
No. The purchase order is issued before or at the time of ordering. The supplier invoice is submitted after goods or services are provided and should be checked against the order and receipt records.
Should each item have a cost code?
Yes. Assigning cost codes at line level helps contractors compare commitments, receipts, invoices, and actual costs against the project budget.
How should partial deliveries be handled?
Record the quantity delivered, accepted, rejected, returned, and still outstanding for each line. Keep the order open until all items and related invoices or credits are reconciled.
Can a purchase order be revised?
Yes. Issue a controlled revision when quantities, prices, specifications, delivery dates, or other terms change. Retain the original version and record who approved the revision.
What is three-way matching?
Three-way matching compares the purchase order, the goods-received or delivery record, and the supplier invoice before payment is approved. It helps identify quantity, price, and delivery discrepancies.
Maintain Accurate Procurement and Cost Records
A structured construction purchase order helps contractors control commitments, communicate supplier requirements, track deliveries, and verify invoices before payment. It also creates a reliable procurement record for job costing and project closeout.
An XLSX workbook provides a practical way to issue purchase orders, track receipts, monitor outstanding commitments, and reconcile supplier invoices. SimplySub can help subcontractors organise purchase orders, estimates, jobs, change orders, time records, expenses, invoices, documents, and job-cost information.