Comparez les soumissions avant de signer un contrat de beton

Comparaison des Soumissions d'Entrepreneurs en Beton

D'abord la reponse: entrez vos soumissions d'entrepreneurs. Comparez la portee, les materiaux, la main-d'oeuvre et les conditions de paiement cote a cote.

Difference typique entre devis

15–30% entre le plus haut et le plus bas

Une difference plus grande peut indiquer des portees differentes, pas seulement des prix differents.

Elements frequemment omis

Base en gravier, armature, finition

Verifiez que chaque devis inclut les memes elements avant de comparer les prix.

Bid leveling workspace

Comparez l'offre, pas seulement le prix

Use this concrete-specific worksheet to level three contractor bids by total price, price per square foot, price per cubic yard, included scope, missing scope, access risk, payment terms, and follow-up questions before you sign.

L'offre la plus basse n'est pas toujours la meilleure offre nivelée.

Bid A is the lowest total at $6,400, while Bid B has the strongest written scope at 97/100.

Lowest total

$6,400

Bid A: Do not rank on price yet

Best written scope

97/100

Bid B: Complete mid bid

Critical scope checks

11

Prep, base, delivery, access, payment, warranty

OffreTotalPrix normaliséScore de portéeDecision
Bid A
Lowest lump sum
500 sq ft patio, 4 in slab, residential backyard access
$6,400
50% deposit noted

$13 / sq ft

$941 / yd3

6.80 yd3 concrete

High scope risk - 100/100

3/11 scope items named.

Do not rank on price yet

Lowest total, but not the safest leveled bid until missing scope is written.

Bid B
Complete mid bid
500 sq ft patio, 4 in slab, base and reinforcement named
$7,800
30% deposit noted

$16 / sq ft

$1,147 / yd3

6.80 yd3 concrete

Lower follow-up risk - 12/100

11/11 scope items named.

Comparable after final checks

Most comparable sample because scope, access, payment, and closeout are written.

Bid C
Premium access-heavy bid
500 sq ft patio, limited access, demo and haul-off included
$9,200
35% deposit noted

$18 / sq ft

$1,353 / yd3

6.80 yd3 concrete

Lower follow-up risk - 29/100

10/11 scope items named.

Comparable after final checks

Price needs context because at least one critical scope item is missing.

Included scope matrix

Élément de portéeBid ABid BBid C
Site prep and excavation
scope
MissingIncludedIncluded
Base depth and compaction
scope
MissingIncludedIncluded
Forms and layout
scope
IncludedIncludedIncluded
Rebar or wire mesh
scope
MissingIncludedMissing
Concrete delivery or supplier terms
delivery
IncludedIncludedIncluded
Pump, buggy, or truck access
delivery
MissingIncludedIncluded
Finish, curing, and control joints
finish
IncludedIncludedIncluded
Cleanup, washout, and haul-off
closeout
MissingIncludedIncluded
Deposit, draws, and payment terms
contract
MissingIncludedIncluded
Change-order rules and exclusions
contract
MissingIncludedIncluded
Warranty or workmanship note
contract
MissingIncludedIncluded

Questions before deposit

Is base stone, compaction, and subgrade repair included?
Who pays if the truck cannot reach the pour?
What is excluded from the lump-sum price?
Ask whether site prep and excavation is included.
Ask whether base depth and compaction is included.
Ask whether rebar or wire mesh is included.
Who handles permits or inspection if required?
What base depth is assumed after excavation?

Download the worksheet

The export is a planning worksheet. Replace every example value with current contractor bids before making a hiring decision.

bid,style,total_usd,area_sq_ft,concrete_yd3,price_per_sq_ft,price_per_yd3,included_scope_count,missing_scope,completeness_score,risk_score,risk_label,decision,follow_up_questions
Bid A,Lowest lump sum,6400,500,6.8,12.8,941.18,3,"Site prep and excavation; Base depth and compaction; Rebar or wire mesh; Pump, buggy, or truck access; Cleanup, washout, and haul-off; Deposit, draws, and payment terms; Change-order rules and exclusions; Warranty or workmanship note",18,100,High scope risk,Do not rank on price yet,"Is base stone, compaction, and subgrade repair included?; Who pays if the truck cannot reach the pour?; What is excluded from the lump-sum price?; Ask whether site prep and excavation is included.; Ask whether base depth and compaction is included.; Ask whether rebar or wire mesh is included."
Bid B,Complete mid bid,7800,500,6.8,15.6,1147.06,11,,97,12,Lower follow-up risk,Comparable after final checks,Who handles permits or inspection if required?; What base depth is assumed after excavation?; How are weather delays and schedule changes handled?
Bid C,Premium access-heavy bid,9200,500,6.8,18.4,1352.94,10,Rebar or wire mesh,88,29,Lower follow-up risk,Comparable after final checks,Is rebar or wire mesh included in the premium access price?; What finish tolerance or finish defect policy is included?; Can the access allowance be separated from the concrete scope?; Ask whether rebar or wire mesh is included.

Interactive workflow

Run the numbers, then save or export the project

View planning notes
Best reviewed quote
Ready-mix supplier A
Red flags
0
Proposal total
$3,824
Pour window
171 min
Entrees du verificateur de devis
Resultats de verification du devis
DevisTotalUnitéStatut
Ready-mix supplier A
Ready-mix score 100
$760
$253.33/yd3
$3.45/sq ft
Good quote
Contractor bid B
Contractor score 83
$3,350
$1,116.67/yd3
$15.23/sq ft
Good quote
Bagged concrete run
Bagged score 74
$1,175
$391.67/yd3
$5.34/sq ft
Review scope

Ready-mix supplier A

0 missing
  • Scope checklist looks complete for this quote type.

Contractor bid B

1 missing
  • Total is more than 25% above the quote set average.
  • Missing scope: Permit, inspection, or code items.

Bagged concrete run

2 missing
  • Bagged route may be labor-heavy at this volume.
  • Missing scope: Cleanup, washout, and disposal, Pump, buggy, or wheelbarrow placement.

Enregistrez cette estimation ou telechargez un rapport PDF

Le rapport PDF utilise le resultat calcule actuel. Enregistrez dabord lestimation lorsque vous souhaitez reutiliser les donnees plus tard.

Comparaison cote a cote
Entrez plusieurs devis pour une comparaison structuree de la portee et du prix.
Liste de verification de la portee
Verifiez que chaque devis inclut base, armature, finition, nettoyage et garantie.
Analyse du prix
Identifiez les differences de prix injustifiees ou les elements manquants.

Concrete bid signals to compare

A lower concrete bid can still be the worse deal if scope, access, or change-order rules are missing. Use these checks before you choose a contractor.

Signal to checkWhat it meansNext step
Material-only wordingThe bid may include concrete but skip excavation, gravel base, compaction, forms, reinforcement, control joints, curing, cleanup, or haul-away.Ask the contractor to write what is included and excluded before comparing against another bid.
Different slab thickness or base depthTwo bids can look similar while assuming different concrete thickness, gravel depth, compaction, or reinforcement.Use the volume and cost calculators to normalize quantity, then compare the written scope.
Delivery and access are vagueShort-load fees, wait time, pump, buggy, wheelbarrow distance, truck reach, and site access can change pour-day cost.Run the pour planner and local cost tab before accepting the bid.
Payment terms are thinDeposit size, draw schedule, change orders, cancellation fees, permits, inspection responsibility, and warranty language should be clear.Record follow-up questions and keep a saved bid review before paying.
Cleanup or repair is not namedForms removal, washout, lawn repair, surface protection, debris, and final cleanup can become dispute points.Mark cleanup as missing scope until it is written into the bid.

Related concrete planning tools

Move from a single calculation into a purchase, proposal, or pour-day decision with connected calculators and checklists.

Comment comparer les devis d'entrepreneurs en beton?

Assurez-vous que chaque devis inclut les memes elements: base en gravier, coffrage, armature, specification de melange, finition et nettoyage.

Combien de devis obtenir pour des travaux en beton?

Au moins 3 devis d'entrepreneurs licencies.

Qu'est-ce qu'un devis de beton doit inclure?

Dimensions et epaisseur de la dalle, specification du melange, type de base, armature, finition, nettoyage, garantie et conditions de paiement.

Est-il normal que les devis varient beaucoup?

Une variation de 15-30% est normale. Des variations plus importantes indiquent generalement des portees differentes.

Planning disclaimer

Cet outil est pour la planification. Verifiez toujours les licences et assurances des entrepreneurs.