RealTorch / Field Guide / Purchasing
06 / 15 The 15 Functions of a Homebuilding Company
Purchasing for Home Builders
Purchasing turns the product and estimate into the labor and materials needed to build each home.
“A dollar saved by Purchasing, and a dollar added to the price, are financially identical.”
At a glance.
- What this function decides
- Purchasing defines the scope and decides how to source it. It compares bids, selects vendors and trades, agrees on terms and capacity, approves substitutions, and records the final award.
- What you need to know
- Start with the current plans, specifications, written scope, quantities, and bids. Then check exclusions, pricing, schedules, crew capacity, insurance, terms, invoices, field performance, and warranty results.
- What good work produces
- The result is a sourced comparison that puts every bid on the same scope. It shows price, capacity, quality, schedule, service, terms, open questions, award conditions, the approver, and the next review date.
A worked example.
Atlas reads the written scope, current add-back prices, trade history, and clarification emails before comparing three framing bids.
Atlas
Put these three Bellamy framing bids on the same SOW v3 scope. Use the current add-back pricing, check my email for the bidders' scope clarifications, and compare schedule reliability, punch history, callbacks, and commercial terms. Recommend the best-value bidder, but tell me exactly what still needs to be confirmed before we award it.
Tools and sources used
File Retrieval6+
Atlas gathered the bids, current scope, add-back quotes, and trade performance history.
- Used
- Atlas used Framing_Bid_Ridgeline.pdf, Framing_Bid_Halloran.pdf, Framing_Bid_Cormack.pdf, Framing_SOW_v3.docx, Current_Scope_Addbacks.xlsx, and Trade_Performance_24mo.xlsx.
- Did
- Retrieved the three bids, scope, current add-back prices, and trade history into the working context.
- Supports
- These records support the submitted prices, scope requirements, add-backs, punch rates, callback rates, and on-time-start rates.
Email Search3+
Atlas searched for the latest clarification message from each bidder.
- Used
- Atlas used the connected mailbox, bidder names, Bellamy framing scope, and current bid period.
- Did
- Found the latest Ridgeline, Halloran, and Cormack messages containing scope, schedule, or commercial clarifications.
- Supports
- The search identified the three messages selected for full review.
Email Reading3+
Atlas read each bidder's full message about scope, schedule, and commercial terms.
- Used
- Atlas used the three connected email messages returned by the search.
- Did
- Read the clarifications in full, matched exclusions to the scope, and distinguished a held crew date from a confirmed commitment.
- Supports
- The messages support Ridgeline's exclusions, each bidder's stated terms, and the conditions attached to Halloran's recommendation.
Builder Knowledge Lookup+
Atlas reviewed its homebuilding purchasing guidance for scope comparison, capacity, performance, and award conditions.
- Used
- Atlas used Function 06: Purchasing.
- Did
- Defined the scope before comparing price, kept the bid comparison separate from partner selection, and listed the items Purchasing must confirm before award.
- Supports
- This guidance supports the comparison and the award conditions.
Running Analysis+
Atlas built a sourced bid comparison and reviewed trade performance.
- Used
- Atlas used every bid, scope, quote, and history row in the leveled comparison.
- Did
- Calculated the add-backs, checked the $147,200 leveled total, compared performance, and generated the XLSX comparison and DOCX award conditions.
- Supports
- The analysis supports the $4,100 cost difference, current best-value ranking, Source_Linked_Bid_Level.xlsx, and Award_Conditions.docx.
Saving File2+
Atlas saved the sourced bid comparison and the award-conditions document.
- Used
- Atlas used the generated Source_Linked_Bid_Level.xlsx and Award_Conditions.docx files.
- Did
- Saved both files with the source crosswalk, performance evidence, commercial terms, and unresolved conditions intact.
- Supports
- The saved files support the purchasing team's final scope confirmation and award meeting.
Halloran is the current best-value bid. Ridgeline's apparent savings disappear after three documented exclusions.
Ridgeline submitted the low number at $133,500, but its clarification email excludes engineered beams, hardware, and the garage header package required by SOW v3. Current quoted pricing for those items is $6,400, $4,200, and $3,100. Added back, Ridgeline is $147,200, or $4,100 above Halloran. Halloran also has the strongest company history: 23 completed homes, 1.4 framing punch items per home, 0.9 warranty callbacks per 10 homes, and 94% on-time starts. Cormack's history shows 3.3 callbacks per 10 homes and 83% on-time starts. The recommendation depends on two open items. Halloran's email says the April 6 crew slot is being held. The crew is not yet confirmed, and its 4% labor-escalation cap still needs an effective date. Confirm those two terms and obtain a signed scope acknowledgment before award.
| Ridgeline | Halloran | Cormack | Source | |
|---|---|---|---|---|
| Bid as submitted | $133,500 | $143,100 | $144,800 | Bid PDFs |
| Engineered beams | +$6,400 | included | included | SOW 4.2 + BeamCo quote |
| Hardware package | +$4,200 | included | included | SOW 4.6 + SupplyCo quote |
| Garage header pkg | +$3,100 | included | included | SOW 5.1 + SupplyCo quote |
| Leveled total | $147,200 | $143,100 | $144,800 | Scope crosswalk |
| Punch items / home | no company history | 1.4 | 3.2 | 23 and 6 completed homes |
| Warranty callbacks / 10 homes | not established | 0.9 | 3.3 | 2 of 23 and 2 of 6 homes |
| On-time starts | not established | 94% | 83% | Trade performance log |
| Commercial terms | 3 exclusions and a 30-day quote | 4% labor cap and an open start date | 7% material cap and a 15-day quote | Bids and clarification emails |
- 1Confirm the April 6 crewThe email holds the date but does not commit named crew capacity.
- 2Date the escalation clauseConfirm when the 4% cap begins and which labor categories it covers.
- 3Sign the scope crosswalkAttach the inclusion matrix to the award so the leveled comparison becomes the agreement.