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Nitrogen Santiva · Detailed tour
With Nitrogen Santiva, every payment, subcontractor and acceptance is on record
All Nitrogen Santiva modules and screens, from the project lifecycle and subcontractor contracts to payment approval, payment plans, concrete and rebar, acceptance and profitability.
- TOKİ and Emlak Konut
- Sequential payment approval
- Provisional and final acceptance
- Integrated with Mikro ERP
Sound familiar?
Which problems does Nitrogen Santiva solve?
The sentences we hear most often in the field, and the answer to each.
-
“We don't know whose desk the payment is on.”
With Nitrogen Santiva
Sequential approval
Every step is recorded with date and duration; pending approvals in one list.
-
“We recalculate deductions in a spreadsheet every month.”
With Nitrogen Santiva
Automatic from the contract
Retention, advance, shared-cost and penalty rates are set once.
-
“A guarantee expired and nobody noticed.”
With Nitrogen Santiva
Expiry alerts
Guarantees expiring within 15 days and expired ones on the dashboard.
-
“We only knew the project made money once it ended.”
With Nitrogen Santiva
Period profitability
Gross profit by block and work item every payment period.
Step by step
The process end to end with Nitrogen Santiva
-
01
Tender and contract
Client contract, budget, project team and tasks are set up.
-
02
Site handover and schedule
The clock starts; the schedule is split by block and work item.
-
03
Subcontractors and purchasing
Quotes are compared; contracts and orders are opened.
-
04
Works and payments
Pours, inspections and approved payments; profitability updates.
-
05
Provisional acceptance
Defects are assigned to subcontractors; acceptance is certified.
-
06
Final acceptance
After the maintenance period; guarantees released, project closed.
Who it's for
Something for every role
-
Management
Every project on one screen
- Profitability and budget variance
- Mobile approvals and critical alerts
- Cash out and guarantee risk
-
Project manager
Every stage under control
- Schedule and progress
- Subcontractor contracts and work left
- Task allocation
-
Site chief
Every job on site recorded
- Concrete and rebar pours
- Purchase requests from site
- First payment approval and defects
-
Finance and technical office
Checks and payments without errors
- Payment files and approval history
- Net payment plan after deductions
- Balances matching Mikro
Modules
Nitrogen Santiva modules
Project and management 5
- Project lifecycleTender, handover, schedule, works, provisional and final acceptance.
- Schedule and progressBaseline and revised schedule, physical progress, delay analysis.
- ProfitabilityIncome, subcontractors, materials and costs; gross profit by block.
- Task allocationOwner, due date, priority and status.
- Site inspectionChecklists, quality and H&S, non-conformities.
Subcontractors and payments 4
- ContractsValue, duration, deduction rates, delay penalty.
- Payments and approvalPayments with files, five-step approval, rejection reasons.
- TOKİ and Emlak KonutClient versus subcontractor payments.
- Subcontractor portalPayments, payouts, statement and defects.
Finance 4
- Payment planNet payable, instalments, weighted average maturity.
- Accounts, advances and penaltiesStatements, advance recovery, delay penalties.
- Guarantee lettersPerformance and advance; expiry alerts.
- Mikro ERP integrationAccounts, payments, invoices, payouts and purchasing.
Purchasing and site 5
- Site and office purchasingRequest, approval, order, receipt.
- Quote comparisonPrice, terms, lead time, revisions.
- Concrete and rebarDesign versus actual per pour; quantities from BIM.
- AcceptanceDefects, certificates, maintenance period, guarantee release.
- File archiveStandard folder template from tender to permits.
Screens
Project, payment and site screens
Key screens from dashboard and profitability to payment approval, purchasing, concrete pours and acceptance.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Project | Type | Target budget | Contracts | Alert |
|---|---|---|---|---|
| Sample Hospital Campus | Hospital | ₺410.000.000 | 6 | Guarantee expiry |
| Harbour Logistics Warehouse | Logistics | ₺160.000.000 | 4 | Awaiting approval |
| Park Residences | Housing | ₺185.000.000 | 8 | Delay penalty |
| North Sports Complex | Sports hall | ₺720.000.000 | 10 | On track |
| Aegean Factory Building | Factory | ₺92.000.000 | 5 | Late payment |
| Ring Road Phase 2 | Road | ₺156.000.000 | 3 | On track |
| Water Main | Infrastructure | ₺38.000.000 | 2 | Completed |
| Cold Storage Facility | Factory | ₺54.000.000 | 4 | On track |
Active projects, contract and payment totals, budget realisation and critical alerts.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Item | Budget | Actual | Forecast | Variance |
|---|---|---|---|---|
| Client payments | ₺185,0 Mn | ₺88,9 Mn | ₺185,0 Mn | — |
| Escalation income | ₺14,0 Mn | ₺7,5 Mn | ₺16,2 Mn | +15.7% |
| Structural subcontractor | ₺62,0 Mn | ₺31,4 Mn | ₺64,1 Mn | +3.4% |
| Concrete and rebar | ₺41,5 Mn | ₺22,8 Mn | ₺44,9 Mn | +8.2% |
| Finishes and MEP | ₺38,0 Mn | ₺14,2 Mn | ₺37,1 Mn | −2.4% |
| Site and overhead | ₺18,5 Mn | ₺9,6 Mn | ₺19,0 Mn | +2.7% |
| Delay penalty deductions | — | −₺0,8 Mn | −₺1,2 Mn | Income |
| Project gross profit | ₺39,0 Mn | ₺15,2 Mn | ₺37,3 Mn | 18.5% → 18.5% |
Client payments and escalation income against subcontractor, material and other costs; gross profit by block and forecast to completion.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
- Physical progress
- 48%
- Time used
- 52%
- Open tasks
- 27
Each stage has an owner, documents and dates; an unfinished stage locks the next one.
- Tender and contractContract, guarantee, insurance · project managerDone
- Site handoverHandover certificate · site chiefDone
- ScheduleRevision 2 approved · technical officeDone
- 4Works and paymentsPayment 9 · structure 71%, finishes 22%In progress
- 5Provisional acceptancePlanned · Q3 2027Waiting
- 6Final acceptanceAfter maintenance period · guarantee releaseWaiting
Project stages with owner and status; delayed stages and open task counts.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Task | Owner | Due | Linked to | Status |
|---|---|---|---|---|
| Review payment HK-26-0011 | Technical office | 14.10.2026 | Payment | In progress |
| Floor 6 slab concrete order | Site chief | 11.10.2026 | Purchasing | Today |
| Facade subcontractor bid review | Project manager | 18.10.2026 | Quote | Waiting |
| Renew guarantee letter | Finance | 08.10.2026 | Guarantee | Late · 1 day |
| Defect list · ground floor | Mechanical Ltd. | 15.09.2027 | Acceptance | Planned |
| Monthly schedule revision | Technical lead | 20.10.2026 | Files | Waiting |
| Rebar delivery reconciliation | Purchasing | 12.10.2026 | Purchase | In progress |
| Weekly H&S inspection | Site engineer | 10.10.2026 | Site | Done |
Tasks assigned to the project team and subcontractors with owner, due date, priority and status.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
- Payment amount
- ₺8.035.647,73
- Submitted
- 31.08.2026
- Files
- PDF + Excel
Approval flow: site chief → technical lead → technical office → project manager → management
- Site chiefQuantity and works checkApproved
- Technical leadTechnical complianceApproved
- Technical officeUnit prices and summaryApproved
- Project managerBudget and contract checkApproved
- ManagementFinal approvalApproved
- 6Payment planNet ₺7,183,700 · 3 instalmentsPlanned
Payments with their files are approved in turn from site to management: who, when and how many days at each step.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Subcontractor | Contract value | Approved | Work left | Days left |
|---|---|---|---|---|
| Piling Inc. | ₺7.976.875 | ₺3.644.850 | 54.3% | 23 days over |
| Earthworks Co. | ₺10.124.449 | ₺8.035.648 | 20.6% | 41 days |
| Steel Structures Inc. | ₺75.000.000 | ₺0 | 100% | 77 days |
| Mechanical Ltd. | ₺46.500.000 | ₺0 | 100% | No handover |
| Facade Systems | ₺56.006.474 | ₺317.500 | 99.4% | 12 days |
| Structure Co. | ₺44.057.090 | ₺0 | 100% | No handover |
| Electrical Contracting | ₺9.284.785 | ₺0 | 100% | 12 days |
| Demolition Co. | ₺1.500.000 | ₺235.000 | 84.3% | 65 days |
Contract value, approved payments, remaining amount and work left; site handover and days left.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Payment | Amount | Net payable | Instalments | Status |
|---|---|---|---|---|
| HK-26-0008 | ₺8.035.648 | ₺7.183.700 | 0/3 | Planned |
| HK-26-0009 | ₺3.644.850 | ₺3.226.800 | 0/2 | Planned |
| HK-26-0006 | ₺345.000 | ₺300.150 | 0/3 | In payment |
| HK-26-0005 | ₺317.500 | ₺276.225 | — | Invoiced |
| HK-26-0003 | ₺342.500 | ₺297.975 | 2/2 | Paid |
| HK-26-0002 | ₺312.000 | ₺271.440 | 1/2 | In payment |
| HK-26-0001 | ₺305.000 | ₺265.350 | 2/2 | Paid |
| HK-25-0019 | ₺258.500 | ₺224.895 | 2/2 | Paid |
Net payable from the payment amount after deductions; advance, instalments, weighted average maturity and payment status.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Date | Movement | Debit | Credit | Balance |
|---|---|---|---|---|
| 10.07.2026 | Advance payment | ₺1.000.000 | — | ₺1.000.000 |
| 31.08.2026 | Payment HK-26-0008 | — | ₺8.035.648 | ₺7,035,648 Cr |
| 31.08.2026 | Retention 5% | ₺401.782 | — | ₺6,633,866 Cr |
| 31.08.2026 | Advance recovery | ₺1.000.000 | — | ₺5,633,866 Cr |
| 31.08.2026 | Shared-cost contribution | ₺160.713 | — | ₺5,473,153 Cr |
| 05.09.2026 | Invoice 2026-000184 | — | — | ₺5,473,153 Cr |
| 15.09.2026 | Payout · instalment 1/3 | ₺2.394.567 | — | ₺3,078,586 Cr |
| 15.10.2026 | Payout · instalment 2/3 | ₺989.837 | — | ₺2,088,749 Cr |
Payment, invoice, advance, deduction, penalty and payout movements per subcontractor, with the balance matching Mikro.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Subcontractor | Type | Amount | Expiry | Left |
|---|---|---|---|---|
| Earthworks Co. | Performance · letter | ₺10.000.000 | 27.08.2027 | 322 days |
| Earthworks Co. | Performance · cheque | ₺1.012.444 | 31.08.2027 | 326 days |
| Architecture Studio | Advance · letter | ₺215.500 | 28.10.2026 | 19 days |
| Concrete Co. | Performance · letter | ₺106.000 | 08.10.2026 | 1 day over |
| H&S Consulting | Advance · letter | ₺208.500 | 18.09.2026 | 21 days over |
| Piling Inc. | Advance · letter | ₺58.500 | 21.01.2026 | 261 days over |
| Facade Systems | Performance · letter | ₺56.000 | 01.05.2027 | 204 days |
| Steel Structures Inc. | Performance · letter | ₺3.750.000 | 01.11.2027 | 388 days |
Performance and advance guarantees with bank, amount and expiry; expiring and expired ones flagged.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
- Requested by
- Site chief
- Budget
- ₺1.050.000
- Approval tiers
- 4 steps · by amount
Approval tiers are defined dynamically by project and amount; an approved request is emailed to the defined suppliers with an encrypted quote link.
- Site requestProject, budget line and urgencyEntered
- Site chiefQuantity and need checkApproved
- Project managerBudget and scheduleApproved
- Purchasing managerSupplier list chosenApproved
- 5Supplier emails4 suppliers · encrypted quote linkSent
- 6Collecting quotes3 / 4 quotes in · closes 11.10In progress
A site request is approved tier by tier at head office, then emailed automatically to the defined suppliers.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Supplier | Unit price | Terms | Lead time | Assessment |
|---|---|---|---|---|
| Concrete Inc. | ₺2.380 | 60 days | Next day | Selected |
| Ready-Mix Ltd. | ₺2.345 | Cash | 2 days | Terms not suitable |
| Build Concrete | ₺2.410 | Month end + 60 | Next day | Alternative |
| Regional Concrete | ₺2.520 | 45 days | 3 days | Over budget |
| Pump | Included | Excluded · ₺18,000 | Included | Included |
| Admixture (waterproofing) | +₺85 | +₺70 | +₺90 | +₺95 |
| Quote entry | Via link · R2 | Via link | Via link | Via link |
| Next step | Order SAS-26-0233 → Mikro | — | — | — |
Suppliers enter quotes through the encrypted link in the email, without logging in; quotes side by side, and the chosen one becomes an order.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
| Element | Class / dia. | Design | Actual | Variance |
|---|---|---|---|---|
| Block B · floor 5 slab | C30/37 | 142,0 m³ | 145,5 m³ | +2.5% |
| Block B · floor 5 columns | C30/37 | 38,4 m³ | 38,9 m³ | +1.3% |
| Block B · floor 5 walls | C30/37 | 64,2 m³ | 68,7 m³ | +7.0% |
| Block B · floor 5 slab | Ø12 | 9,84 t | 10,02 t | +1.8% |
| Block B · floor 5 columns | Ø20 | 6,12 t | 6,20 t | +1.3% |
| Block B · floor 6 slab | C30/37 | 142,0 m³ | Planned | Pump 12.10 |
| Block A · raft | C35/45 | 612,0 m³ | 618,4 m³ | +1.0% |
| Into payment | Structure Co. | — | 252,1 m³ | HK-26-0011 |
Pours by block, floor and element; design and actual quantities, variance, delivery note and subcontractor.
Representative screen prepared with sample data.
- Dashboard
- Projects
- Contracts
- Payments
- Purchasing
- Accounts
- Guarantees
- Files
- Completion
- 30.07.2027
- Defects
- 38 / 34 closed
- Guarantee
- Released at final
The period and maintenance obligation from provisional to final acceptance are tracked.
- Acceptance applicationLetter to client and completion reportDone
- Acceptance committeeSite inspection · 38 defectsDone
- 3Defect close-out34/38 closed per subcontractorIn progress
- 4Provisional acceptance certificateSigned and archivedWaiting
- 5Maintenance periodTracked from provisional acceptanceWaiting
- 6Final acceptance and guarantee releaseRelease of retention and guaranteesWaiting
Every step from acceptance application to final acceptance; defect list, certificates and guarantee release.
Representative screen prepared with sample data.
Before and after
Today's way versus Nitrogen Santiva
| Topic | Today | Nitrogen Santiva |
|---|---|---|
| Payment approval | Travels by email | Sequential, every step dated |
| Deductions and net | Spreadsheet every period | Automatic from contract rates |
| Guarantee expiry | Noticed after expiry | Alert 15 days ahead |
| Concrete and rebar | Variance at month end | Per pour, at once |
| Profitability | When the project ends | Every payment period |
| Acceptance | Defect list in Excel | Defects as subcontractor tasks |
| Subcontractor contact | Phone calls every day | Self-service in the portal |
Integration
Integration and platform
- Mikro ERP: subcontractor and supplier accounts, projects and cost centres come from Mikro
- Approved payments, invoices, payouts, purchase orders and purchases are sent to Mikro
- Standard project archive for payment, contract and guarantee files
- Concrete, formwork and rebar quantities from the BIM (IFC) model
- Web-based: office, site and mobile
- Excel and PDF export, permissions by role and action
Rollout
From setup to go-live
- Discovery and analysisWe review your processes on site or remotely and clarify requirements.
- Setup and configurationWe connect the application to Mikro ERP and define parameters for your business.
- TrainingWe deliver role-based training to users and managers.
- Go-live and supportWe go live together and continue with ongoing support.
PDF · 11 pagesBrochure
Nitrogen Santiva product catalogue
The problems contractors face, tiered purchase approval and supplier quotes by encrypted link, payment calculation and sequential approval, TOKİ acceptance documents, the standard project folder structure, project profitability, gains by role, a 3-week rollout timeline, security and technical requirements, our company history and references.
Frequently asked questions
Meet Nitrogen Santiva: a live demo with your own data
In a 30-minute live demo we walk through your process and share the right setup and quote the same day.