QTO
Quantity Take-Off
Structured quantity take-offs from drawings, PDFs, specifications, schedules and other technical project files.
- by work type, floor or zone
- Excel-ready quantity schedules
- notes and assumptions
Estimation / QTO / revision control
Quantity clarity for construction decisions.
L7 Ehituseelarved OÜ helps construction companies prepare reliable quantity take-offs, material lists, tender-ready calculation bases and drawing revision comparisons from project documentation.
Measure clearlyPrice fasterTrack every change
QTO sheet / Rev C04 → C05 REVIEWED
Work item
Old qty
New qty
Status
Partition type G2
426 m²
552 m²
Added
Ceiling system A
318 m²
366 m²
Updated
Access panels
64 pcs
46 pcs
Changed
Fire-rated wall
94 m²
RFI
Clarify
Changed quantities37items require pricing review
Open questions5prepared for clarification
Technical support that turns project documents into usable numbers.
The main focus is construction estimating, quantity take-off and documentation support, with B2B supply available as a secondary service.
EST
Construction Estimating Support
Technical and quantity basis for pricing, internal budgeting, subcontractor requests and tender decisions.
- tender preparation
- cost-estimation base
- project-stage budgeting
BOQ
Material Lists & BOQ Preparation
Material lists and bill-of-quantities-style schedules based on drawings, specifications and agreed scope.
- quantities and units
- purchasing-ready structure
- grouped by area or package
TEN
Tender Support
Clear quantity and documentation packages before offer submission or internal commercial review.
- tender document review
- calculation-ready files
- question lists
REV
Drawing Revision & Change Tracking
Comparison of updated drawings against previous versions to identify changed, added or removed quantities.
- revision comparison
- scope change visibility
- RFI items
DOC
Project Documentation Support
Project-related Excel schedules, marked notes, assumptions, exclusions and documentation control files.
- structured project files
- marked drawing notes
- internal control support
B2B
B2B Supply
Project-based supply of electric tools, equipment, accessories and consumables for construction and service companies.
- tools and equipment
- consumables
- procurement support
RFI
Questions & Assumptions
Unclear scope, missing information and contradictions prepared as practical question lists for project communication.
- missing details
- conflicting notes
- assumptions list
CTL
Project Control Files
Practical, readable files for estimators, project managers, purchasers and site teams.
- Excel / PDF output
- version references
- usable project structure
Revision control
Changes in drawings should be visible before they hit the margin.
When project documentation changes, quantities and scope can change with it. We compare drawing revisions, highlight added or removed quantities and prepare questions where the scope is unclear.
Added scope +126 m²
Removed items -18 pcs
Changed note requires clarification
RFI items 5 questions
Sample revision comparisonRev C04 → Rev C05
Item
Change
Action
Partition type G2
+126 m²
Re-price
Ceiling panels
+48 pcs
Update material list
Access panels
-18 pcs
Check purchasing
Fire-rated wall detail
RFI
Clarify
Acoustic treatment
+178 m²
Review spec
Deliverables your team can actually use.
Clear output for pricing, purchasing, tendering, planning and internal project control.
QTY
Quantity Take-Off ReportQuantity schedules by work type, floor, zone, material or agreed project structure.
MAT
Material ListMaterials, quantities, units, notes and assumptions for pricing or purchasing.
BOQ
BOQ / Calculation BaseStructured base for tender pricing and internal cost estimation.
MRK
Drawing MarkupsMarked drawings or drawing-related notes where visual references are useful.
REV
Revision / Change ComparisonAdded, removed and changed quantities between drawing or document revisions.
RFI
RFI / Question ListContradictions, missing data, unclear scope and assumptions prepared as a practical question list.
A simple workflow with controlled versions and clear assumptions.
From project files to practical documents ready for commercial and project decisions.
Scope review
We review available drawings, specifications, schedules and expected output.
Measurement
Quantities are structured by the agreed project logic: floor, zone, work type or material.
Assumptions
Unclear details, missing data and contradictions are documented instead of hidden.
Delivery
You receive Excel, PDF or agreed formats for pricing, purchasing, tendering or planning.
Estonia-based company
About L7 Ehituseelarved OÜ
L7 Ehituseelarved OÜ is an Estonian private limited company providing construction-related commercial and technical support services.
The company focuses on construction estimating, quantity take-off, material lists, tender support, drawing revision tracking and project documentation support for construction companies, contractors and project teams.
In addition, the company provides B2B supply of electric tools, equipment, accessories and consumables for construction and service companies.
Company details
Legal nameL7 Ehituseelarved OÜ
Registry code16951105
VAT numberEE102726826
LocationHarju County, Estonia
Websiteqto.ee
Ehitusmahtude arvutus ja eelarvestamise tugi
L7 Ehituseelarved OÜ pakub ehitusettevõtetele ehitusmahtude arvutuse, eelarvestamise ettevalmistuse, materjalide nimekirjade, pakkumusdokumentide toe ja jooniste muudatuste võrdluse teenuseid.
Aitame muuta joonised, spetsifikatsioonid ja projektidokumendid selgeteks koguste tabeliteks ja tööfailideks, mida saab kasutada hinnapakkumiste, ostude, planeerimise ja projektijuhtimise jaoks.
ehitusmahtude arvutus
ehituseelarvestamise tugi
materjalide nimekirjad
pakkumuste tugi
jooniste revisioonide võrdlus
B2B tarne ehitusettevõtetele
Request a quote or ask for QTO support.
Tell us the project type, deadline, required output and available documentation. We will review the scope and respond by e-mail.
E-mailinfo@qto.ee
CompanyL7 Ehituseelarved OÜ