Element Folio Engineering Resources

Project Management, Planning & Procurement Calculators

Practical online tools for project planning, earned value, manpower, productivity, procurement lead times, supplier evaluation, cost estimation, cash flow, progress billing and delay recovery.

Planning Manpower Procurement Commercial Billing Delay Recovery

Important: Results are indicative planning and estimating values. Contract conditions, approved baseline programmes, project calendars, taxes, retention, productivity norms and supplier terms should be verified before commercial or contractual use.

01 · Project Controls

Planning & Earned Value Calculators

Measure programme performance and forecast completion.

Working Days Calculator

Calculates weekdays between two dates. Public holidays are not deducted.

Start dateFinish date

Enter the project dates.

Planned vs Actual Progress

Simple schedule progress variance.

Planned progress (%)Actual progress (%)

Variance will appear here.

Progress variance = Actual % − Planned %

SPI & CPI Calculator

Earned Value Management performance indices.

Earned Value (EV)Planned Value (PV)Actual Cost (AC)

SPI and CPI will appear here.

SPI = EV ÷ PV · CPI = EV ÷ AC

EAC / ETC Forecast

Forecast final project cost using current cost performance.

Budget at Completion (BAC)Earned Value (EV)Actual Cost (AC)

Forecast will appear here.

CPI = EV/AC · EAC = BAC/CPI · ETC = EAC − AC

Activity Duration

Estimate duration from quantity and daily production.

Total quantityDaily productivity

Duration will appear here.

Total / Free Float Helper

Basic CPM float calculation using early and late dates.

Early Start (day)Late Start (day)Early Finish (day)Successor Early Start

Float will appear here.

02 · Resources

Manpower & Productivity Calculators

Estimate manpower, man-hours and production requirements.

Required Manpower

Calculate crew size from remaining man-hours and available time.

Required man-hoursWorking daysHours/person/dayEfficiency (%)

Required manpower will appear here.

Available Man-Hours

Calculate total productive man-hours for a crew.

PersonsHours/dayDaysEfficiency (%)

Man-hours will appear here.

Productivity Rate

Production per man-hour and per crew-day.

Completed quantityTotal man-hoursCrew sizeWorking days

Productivity will appear here.

Overtime Cost

Quick planning estimate for overtime labour cost.

WorkersOT hours/workerHourly rateOT multiplier

Estimated overtime cost will appear here.

03 · Supply Chain

Procurement & Material Calculators

Work backwards from required-on-site dates and evaluate supply requirements.

Latest PO Placement Date

Works backwards from the required material-on-site date.

Required on siteTechnical approval (days)Manufacturing (days)Shipping / delivery (days)Inspection / clearance (days)Contingency (days)

Latest PO date will appear here.

Material Quantity + Wastage

Add procurement wastage or contingency to net required quantity.

Net required quantityWastage (%)

Purchase quantity will appear here.

Reorder Point

Basic stock-control calculation.

Average daily usageLead time (days)Safety stock

Reorder point will appear here.

Inventory Days

Estimate how many operating days the current stock can support.

Current stockAverage daily consumption

Inventory coverage will appear here.

Supplier Weighted Evaluation

Compare one supplier against your weighted commercial and technical criteria. Enter each score out of 100.

Price scorePrice weight (%) Technical scoreTechnical weight (%) Delivery scoreDelivery weight (%) Payment terms scorePayment weight (%) Warranty/service scoreWarranty weight (%)

Weighted score will appear here.

04 · Cost Control

Commercial & Estimation Calculators

Build selling prices, understand margins and evaluate project costs.

Quotation Price Builder

Direct cost + overhead + contingency + profit + VAT.

Material costLabour costEquipment / subcontractOverhead (%)Contingency (%)Profit / markup (%)VAT (%)

Quotation value will appear here.

Markup vs Margin

See the difference between markup on cost and gross margin on selling price.

CostSelling price

Markup and margin will appear here.

Unit Rate Calculator

Convert total cost into a measurable BOQ/unit rate.

Total costTotal quantityMarkup (%)

Unit rate will appear here.

Variation Order Estimate

Quick estimate from quantity, unit rate and agreed commercial addition.

Variation quantityUnit rateAdditional OH/P (%)VAT (%)

Variation estimate will appear here.

05 · Payment

Progress Billing & Cash Flow Calculators

Estimate certified value, deductions and expected receipts.

Progress Payment / IPC

Calculate a simplified net progress claim.

Contract / BOQ valueCumulative progress (%)Previously certifiedRetention (%)Advance recoveryVAT (%)

Current claim will appear here.

Expected Payment Date

Add contractual payment terms to an invoice/certification date.

Invoice / certification datePayment terms (days)

Expected payment date will appear here.

Project Gross Profit

Simple revenue less project cost calculation.

Project revenueTotal project cost

Gross profit will appear here.

Retention Amount

Estimate retention held against certified work.

Certified amountRetention (%)Retention cap (% of contract)Contract value

Retention will appear here.

06 · Recovery Planning

Project Delay Recovery Calculator

Estimate the production and approximate crew increase needed to meet the remaining programme.

Schedule Recovery Requirement

Total scope quantityCompleted quantityDays remainingCurrent productivity / dayCurrent crew size

Recovery requirement will appear here.

Assumes productivity scales approximately with crew size. Actual recovery should consider access, work fronts, equipment, supervision, permits, congestion, shifts and resource availability.

Need Project or Procurement Support?

For mechanical, chilled-water, district-cooling, shutdown and specialist pipeline works, contact the Element Folio team for project-specific technical, planning and execution support.

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