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SESIÓN 03 - "LEY GENERAL DE CONTRATACIONES PÚBLICAS EN LA EJECUCIÓN DE OBRAS (Nueva Ley N.º 32069)"
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SESIÓN 03 - "LEY GENERAL DE CONTRATACIONES PÚBLICAS EN LA EJECUCIÓN DE OBRAS (Nueva Ley N.º 32069)"

Introduction to the Course

Overview of the Session

  • The session marks the beginning of the third meeting for the course on General Law of Public Procurement in Construction Execution, Law 32069.
  • Participants are instructed to keep their microphones and cameras off during the transmission, with options to raise hands or use chat for participation.
  • Emphasis is placed on avoiding screen marking to ensure a smooth viewing experience for recorded sessions. Material will be shared post-session.

Netran Consultores and Course Focus

Company Background

  • Netran Consultores specializes in high-level training programs for engineering professionals, aiming to enhance skills and knowledge through targeted courses.
  • Collaboration with the College of Engineers of Peru is highlighted, focusing on promoting professional ethics and excellence within engineering fields.

Session Topic

  • Today's discussion centers around advances and valuations in construction contracts, including types of advances (direct advance, material advance, progress advance) and payment adjustments under different contract systems.

Speaker Introduction: Engineer Luis Díaz Wiisa

Speaker Credentials

  • Engineer Luis Díaz Wiisa is introduced as a civil engineer with expertise in modern construction management; he currently serves as Technical Manager at FIM Contratista SAX.
  • His extensive background includes roles at various organizations such as Empresa Habitaria SAC and consulting work for banks and municipalities; he has authored books on valuation and liquidation of works.

Key Topics Discussed by Engineer Luis Díaz

Presentation Overview

  • The presentation will cover advances in construction projects, valuation processes, adjustments based on new regulations effective January 8th that expand geographic areas from six to thirteen for calculating adjustments using polynomial formulas.
  • Modifications related to unified indices are also noted; previously there were 80 indices now increased to 95 which will be discussed further during the session.

Types of Advances in Construction Contracts

Understanding Advances

  • Contractors can request three types of advances: direct advance, material advance, and progress advance; these are designed to incentivize contractors financially to expedite project completion.
  • The concept likens state-provided advances to bank loans where contractors must provide guarantees like letters of credit or fiduciary agreements before receiving funds; this ensures accountability in fund usage.

Importance of Fiduciary Agreements

  • A fiduciary agreement plays a crucial role by preventing misuse of advanced funds by contractors who might otherwise divert them for personal expenses rather than project needs; it aims at protecting project integrity against potential financial mismanagement by contractors.

Changes in Contractual Adjustments and Advances

Overview of Fidicomiso and Calculation Changes

  • The introduction of fidicomiso allows for adjustments starting from 5 million. The INI has proposed new formulas for calculations, but the speaker will not change the base calculation method.

Clarification on Contractual Bases

  • New geographical areas have been defined, increasing from 80 to 95. It is essential that advances are clearly stated in both the contract and the bases, as contracts depend on these foundational documents.

Common Misunderstandings by Contractors

  • Many young contractors fail to read regulations thoroughly; they often present valuations expecting adjustments despite being informed that no adjustments apply due to project duration (e.g., two months). This leads to frequent disputes over contractual obligations.

Advance Deductions Explained

  • When a contractor receives an advance (up to 10%), all subsequent valuations will be affected by this percentage. If a lower percentage is requested, it will similarly impact future valuations until the total advance is repaid. The entity's primary concern is ensuring repayment of advances.

Importance of Reading Contracts

  • If terms regarding advances are not included in the contract or bases, contractors cannot claim them post-signature. Once signed, all clauses must be accepted without dispute; any claims should have been made prior to signing. This emphasizes the necessity for thorough review before agreement.

Incentives and Advance Requests

Conditions for Requesting Advances

  • Contractors can request an advance when their actual progress reaches at least 60%. The regulation describes this as an incentive rather than a guarantee, highlighting various incentives available under new regulations which should be reviewed carefully by contractors.

Bonuses for Early Completion

  • There are provisions for bonuses if projects finish ahead of schedule; however, full payment on general expenses may not be granted—only partial payments based on variable costs associated with time savings are considered. This incentivizes timely project completion while managing costs effectively.

Amortization Practices Among Contractors

  • Few contractors opt to amortize advances before final valuation due to cash flow needs; most prefer waiting until later stages when funds are more critical for operations and business sustainability. Understanding financial management is crucial here as contractors operate like businesses needing liquidity.

Contractual Obligations and Entity Discretion

Entity's Role in Reajustes

  • The entity overseeing the project has discretion regarding whether or not to include reajustes based on project duration (e.g., short-term projects). They dictate terms within bases that must be adhered to once contracts are signed, reinforcing the importance of understanding contractual language fully before commitment.

Specialties in Project Formulas

  • Polynomial formulas apply only per specialty within projects (architecture, structure, etc.), indicating that each area requires specific considerations rather than a one-size-fits-all approach in contingency planning or execution strategies across different specialties involved in construction projects.

Delivery Systems in Construction

Overview of Delivery Systems

  • The discussion begins with an overview of the delivery systems in construction, including design, construction, operation, and maintenance.
  • Two primary types of delivery systems are highlighted: "only construction" and "design-build," which encompass six different methods of project delivery.

Advances in Payment Structure

  • For projects under the "only construction" system, direct advances for materials remain at 10% and 20%, respectively.
  • A new incentive structure is introduced where contractors can receive a 10% advance based on physical progress once they reach 60% completion.

Legal Framework for Advances

  • According to Article 178.5 of the law, during contract execution, entities may grant additional advances if certain conditions are met.
  • The requirement for receiving this advance includes achieving a real physical progress equal to or greater than the scheduled percentage (60%).

Consultancy Payment Structures

Direct Advances for Consultancies

  • In consultancy agreements across all delivery systems, direct advances cannot exceed 30% of the original contract amount.

Breakdown of Advance Payments

  • The payment structure specifies that under "only construction," direct payments are capped at 10%, while material advances can go up to 20%.
  • For design-build contracts, contractors can request up to 30% as a direct advance during technical documentation preparation.

Technical Documentation and Specialties

Technical Plan Requirements

  • The technical plan must include four specialties; however, it does not require a specific polynomial formula exclusively for contingency plans.

Example Scenario on Advance Requests

  • An illustrative example is provided where a contractor requests an advance based on trustworthiness and guarantees like bank checks or bonds.

Clarifications on Advance Deductions

Process for Third Advance Requests

  • Clarification is given regarding how third advance requests will be processed similarly to direct advances but will be subject to deductions based on valuations.

Current Regulations and Guidelines

  • There remains ambiguity about how deductions from direct advances will be handled due to lack of clear directives from relevant authorities.

This structured summary captures key insights from the transcript while providing timestamps for easy reference.

Contractor Advances and Modifications

Overview of Advance Payments

  • The contractor can request direct advances for works and consulting, but requests must be made within specified timeframes. If a request is submitted late, the entity may deny it.
  • Contractors are now allowed to submit advance requests 10 days after contract perfection, along with necessary guarantees like bonds or fiduciary agreements.

Additional Time Requests

  • If documentation submission is delayed, contractors can request an additional 5-day extension within the initial 10-day period to complete their submissions.
  • This flexibility also applies to additional work and deadline extensions when time constraints arise.

Payment Timeline for Direct Advances

  • Once a contractor submits a request with the required guarantees, the contracting entity has a maximum of 7 days to process and deliver the requested advance payment.

Regulatory Changes in Advance Payments

  • A comparative analysis shows modifications in Article 179.3 regarding advance payments under design and construction delivery systems.
  • The new regulations specify that for design components, timelines start from contract signing; for execution components, they begin upon technical file approval.

Amortization of Advances

  • Amortization of direct advances occurs through proportional discounts on each valuation. For example, if an advance is set at 10%, all valuations will reflect this percentage accordingly.
  • Adjustments in amortization can be made based on discrepancies noted during subsequent valuations or final liquidations.

Contractor's Discretion on Advance Types

  • Contractors have discretion over which types of advances to request (direct or progress-based), allowing them flexibility based on project needs as long as it aligns with established guidelines.

Understanding Contractual Advances and Retentions

Key Concepts of Contractual Advances

  • The contract allows the contractor to request advances as specified in certain articles, typically three. If deemed necessary, the contractor can request these advances; otherwise, they are not obligated.
  • Execution timelines are defined in calendar days. For instance, a 90-day execution period refers to calendar days unless specified otherwise (e.g., "30 DH" indicates 30 business days).

Contingency Plans and Direct Advances

  • In hospital projects where a single contractor executes both the contingency plan and main work, direct advances must be granted simultaneously upon signing the contract.
  • It is mandatory to pay both direct advances for contingency plans and main works within the stipulated timeframe.

Calculation of Advances

  • An example illustrates that if a contract amount is $800,000, requesting a 10% advance would equal $80,000.
  • The discussion includes multiple valuations (B1: $240,000; B2: $260,000; B3: $300,000), emphasizing how these figures relate to advance calculations.

Amortization Process

  • The amortization process involves canceling requested advances based on valuation percentages. For example, if an advance of 10% is requested from each valuation stage.
  • Errors in calculating amortizations can lead to discrepancies that need correction before finalizing payments.

Regulations and Formulas

  • A reference is made to the repeal of Supreme Decree 011-79-BC concerning polynomial formulas used for calculating adjustments related to advanced hours or materials.
  • The ongoing use of older formulas from previous decrees highlights potential gaps in updated regulations regarding material deductions and amortizations.

Understanding Direct Advances and Material Advances in Contracts

Overview of Direct Advances

  • The concept of direct advances is clarified, indicating that there are no issues with its amortization.
  • Many junior engineers misunderstand the process for requesting material advances, often equating it to direct advances.

Calculating Material Advances

  • The maximum amount for a material advance is 20% of the contract value, but this is not simply calculated as 20% of the total contract amount (e.g., 800,000 soles).
  • A polynomial formula must be used to determine the maximum advance for each material based on specific coefficients and indices.

Polynomial Formula Application

  • The polynomial formula includes factors such as incidence coefficient, participation percentage, and price index ratios (ISURR/ISU0).
  • The sum of all individual material advances must not exceed 20% of the total contract value; thus, careful calculation is necessary.

Practical Example and Clarification

  • An example using Excel illustrates how to apply the polynomial formula correctly for materials like gravel, wood, steel, and brick.
  • Only specific materials listed in the polynomial formula can be requested for advances; other items like machinery or tools fall under direct advances.

Validating Guarantees and Timing Requests

  • To ensure validity of guarantees (like letters of credit), verification by a designated coordinator within the entity is required.
  • Requests for material advances should align with a predetermined acquisition calendar established by the contracting entity.

Timing for Advance Requests

  • Engineers often mistakenly request both types of advances at contract signing; however, only direct advances can be requested immediately after contract perfection.
  • Material advance requests can only occur once execution begins; details regarding timing will be specified in the contract itself.

Deductions from Material Advances

  • Amortization deductions from material advances are more complex than those from direct advances; they require analysis based on initial valuations and cost analyses related to activities utilizing those materials.

Valorización y Uso de Cemento en Construcción

Introducción a la Valorización

  • Se presenta la primera valorización relacionada con el uso del cemento en actividades específicas. Se invita a los participantes a identificar las actividades donde se ha utilizado cemento.

Actividades Relacionadas con el Concreto

  • Se discute que no hay avance registrado en concreto, lo que genera confusión sobre su utilización. La atención se centra en muros, específicamente en albañería y sus medidas.

Cálculo de Cemento Utilizado

  • Para determinar la cantidad de bolsas de cemento utilizadas, es necesario consultar los análisis de costo específicos para cada tipo de muro (muro de soga y muro de cabeza).
  • La fórmula para calcular el total de bolsas implica multiplicar la cantidad por metro cuadrado indicada en el análisis por el metrado total.

Amortización y Deducciones

  • Se explica cómo sumar el total de bolsas y multiplicarlo por el precio unitario del análisis correspondiente. Este proceso puede ser complicado debido a las deducciones necesarias.
  • Se introduce una fórmula para la deducción tanto del adelanto directo como del adelanto por materiales, destacando su complejidad.

Fideicomiso y Adelantos

  • El fideicomiso se menciona como un mecanismo para garantizar adelantos cuando el monto contractual supera 5 millones. Sin embargo, pueden existir excepciones.
  • El fideicomiso asegura que los adelantos no sean manejados directamente por el contratista, sino administrados por un fiduciario designado.

Supervisión del Adelanto

  • Un supervisor contratado por el fiduciario será responsable de administrar los fondos destinados exclusivamente a la obra, evitando malversaciones.
  • Este método es más económico que una carta de fianza y garantiza que los recursos se utilicen adecuadamente para la ejecución del proyecto.

Proceso Administrativo del Fideicomiso

  • Una vez solicitado un adelanto, hay un plazo estipulado (20 días hábiles) para completar los trámites necesarios relacionados con la constitución del fideicomiso.
  • El contrato del fideicomiso solo es firmado entre la entidad dueña de la obra y el fiduciario; el contratista actúa como interviniente sin firmar directamente este acuerdo.

Fidecomiso and Its Implications in Construction Contracts

Understanding Fidecomiso

  • The concept of fidecomiso ensures that advances do not exceed 10% for labor or machinery, with payments made directly to suppliers rather than contractors. This guarantees funds are used exclusively for the project.
  • When requesting an advance at the end of a month, such as January 31, the price indices from December must be used due to delays in releasing current indices.
  • The IM sucero is based on the budget preparation month; adjustments can be made during valuation once updated indices are available.

Regulations and Procedures

  • The formula for advance deductions is found in Supreme Decree 01179-BC, which remains relevant despite some annulments due to pending directives from DGA.
  • Amortization of advances follows similar principles as direct advances; if a contractor requests a 10% advance, amortization will also be calculated at that percentage.

Material Advances and Coordination

  • For material advances, amortization is based on consumed materials rather than a fixed percentage; this requires careful tracking through cost analyses.
  • If fidecomiso isn't included in contract bases but requested by the contractor, coordination with the entity is necessary to ensure proper fund usage for projects exceeding $5 million.

Financial Considerations

  • Fidecomisos offer advantages over bank guarantees (carta fianza), being more economical. However, contractors may prefer cash flow instead of restricted funds tied to specific uses.
  • With large projects (over $5 million), mandatory fidecomisos prevent misuse of advanced funds by ensuring they are allocated solely for project needs.

Communication and Responsibilities

  • Contractors must inform supervisors about material advances; failure to communicate could lead to mismanagement since supervisors represent the entity's interests on-site.
  • Materials are categorized as inputs/resources but do not include machinery. Proper classification helps streamline procurement processes according to project schedules.

Contractual Obligations

  • Contractors are responsible for paying structuring commissions outlined in contracts; these costs should already be factored into general expenses rather than coming out-of-pocket unexpectedly.
  • Participation in fidecomiso contracts is obligatory for contractors, reinforcing their commitment to using advanced funds appropriately within project budgets.

Contractual Obligations and Financial Management in Construction

Recognition of Contractor Expenses

  • The contracting entity acknowledges expenses incurred by the contractor as part of variable general expenses, replacing the previously used guarantee concept in budgeting.

Fiduciary Responsibilities

  • The contracting entity is responsible for transferring the requested advance amount to a fiduciary trust, which includes direct advances, material advances, or progress payments as per contractor requests.
  • If the contractor opts to request multiple advances, these must be processed through the fiduciary trust. Additional advances are also managed within this framework.

Fiduciary Agreement Requirements

  • The fiduciary agreement must include both the fiduciant and fiduciary entities, with the contractor participating as an intervening party. A supervisor designated by the company oversees this process but is distinct from a construction supervisor.
  • The fiduciary hires a professional knowledgeable in construction management (e.g., engineer, architect) to administer funds effectively.

Procedures for Non-compliance and Adjustments

  • Specific procedures are outlined for scenarios where contractors fail to meet payment obligations or when contracts are resolved by the contracting entity. This includes commission collection processes and public disbursement procedures for periodic contractor payments.

Adjustment Formulas and Regulations

  • Adjustments follow directives issued by DGA's office; significant changes were noted since regulations took effect on April 22, 2025. Current guidelines on polynomial formulas for calculating adjustments remain pending issuance from DGA's office despite previous decrees being repealed.
  • Both national and foreign currencies require mandatory use of polynomial formulas for calculations based on monthly variations published by relevant authorities. Contractors must calculate their valuations accordingly using these indices.

Monthly Index Variations

  • Polynomial formula coefficients (K) vary monthly based on unified price indices published regularly; however, actual formula values do not change each month—only K does based on updated data inputs from prior months' indices at payment time.

Payment Timing Challenges

  • There is a delay in index publication that affects adjustment calculations: contractors may need to base their adjustments on previous month's indices due to timing discrepancies between valuation submissions and index releases.
  • For example, if a valuation is submitted in April but relies on March’s indices due to publication delays, it complicates accurate adjustment calculations tied to payment timelines established in contracts.

Reajustes y Liquidaciones en Proyectos de Construcción

Proceso de Reajuste Mensual

  • La entidad proporcionará un coeficiente de reajuste mensual que se aplicará a la valorización.
  • En la liquidación, se trabajará con el K del mes correspondiente al pago, ajustando cada mes según el calendario establecido.

Importancia del Supervisor

  • Los adelantos deben ser aprobados por el supervisor, quien verifica los cálculos presentados por los residentes.
  • El residente es responsable de calcular los adelantos directos y de materiales, mientras que el supervisor revisa estos cálculos antes de su presentación a la gerencia.

Límites en Adelantos

  • Se puede otorgar un adelanto por avance hasta un 10% del monto total del contrato.
  • Es posible devolver cartas fianza tanto para adelantos directos como para materiales.

Supervisión y Tarifas

  • Los reajustes monetarios durante la supervisión se basan en tarifas actualizadas según el índice de precios al consumidor.
  • Todas las obras deben tener una fórmula polinómica en su expediente técnico, excepto aquellas ejecutadas directamente por la entidad.

Cambios en Áreas Geográficas y Bases

  • Con cambios recientes, ahora hay 13 áreas geográficas para considerar en lugar de 6; esto implica ajustes adicionales para los residentes.
  • Las fórmulas polinómicas no cambian, pero las bases sí deben actualizarse conforme a las nuevas regulaciones.

Nuevos Índices Significativos

  • Se ha incrementado el número de índices significativos utilizados en construcción; ahora son 95 en lugar de 80.
  • La nueva base utilizada es 100, lo cual afecta cómo se calculan los índices mensuales desde enero.

Changes in Construction Material Codes and Price Indices

Overview of Code Revisions

  • The construction material codes have been reorganized; for instance, cement types 2, 22, and 23 are now consolidated under code 21.
  • Wood materials have also been reclassified; code 45 is now grouped with code 44 (national third-party wood).
  • Changes include the transition from a base index of July 1992 to December 2025, affecting various materials like lubricants and cables.

Price Index Adjustments

  • The unified price indices have increased from a previous base of 80 to a new base of 95, reflecting adjustments across multiple categories.
  • A summary table outlines the changes in indices from codes up to 85, providing clarity on the modifications made.

Reajustes (Adjustments)

  • Contractors can request payment adjustments during liquidations or valuations based on their needs; this flexibility allows them to manage cash flow effectively.
  • If an adjustment results in a negative value due to decreased costs (K), contractors may choose not to claim it immediately as it could reduce their overall valuation.

Timing and Strategy for Claims

  • Contractors should strategically decide when to claim adjustments based on market conditions; claiming when K is favorable ensures better financial outcomes.
  • It’s emphasized that contractors operate similarly to merchants needing liquidity for purchasing materials amidst fluctuating prices.

Valorizations Explained

  • Valorizations represent payments made according to project progress rather than arbitrary amounts; they must align with the execution program outlined in contracts.
  • Payments are structured as advances against total project costs, ensuring that contractors receive funds proportionate to work completed at each stage.

Valorizaciones: Conceptos Clave y Proceso

Definición de Valorizaciones

  • Las valorizaciones deben ser equivalentes al monto del presupuesto o contrato, representando pagos a cuenta.
  • La cuantificación económica se basa en el avance físico realizado en un periodo específico, calculando costos directos y gastos generales.

Importancia del Control de Calidad

  • Muchos ingenieros junior confunden la valorización con solo metrados; es crucial verificar que el avance cumpla con los estándares de calidad.
  • Se debe comprobar que los materiales utilizados cumplen con las especificaciones técnicas, como el diseño de mezcla y análisis de calidad.

Herramientas para Supervisores

  • Los supervisores deben utilizar herramientas técnicas como el expediente técnico y el marco normativo (Ley 32069).
  • Es esencial presentar ensayos de materiales para validar avances; sin ellos, no se aprueban los metrados.

Tipos de Valorizaciones

  • Existen cinco tipos principales de valorizaciones: contrato principal, adicionales por ampliación, intereses por demora en pagos y mayores metrados.
  • Generalmente, las valorizaciones son mensuales, aunque pueden establecerse periodos quincenales o semanales.

Eficiencia vs. Efectividad en la Ejecución

  • Un trabajo puede ser efectivo pero no eficiente si no cumple con las especificaciones técnicas requeridas.
  • Para aprobar una actividad, es necesario presentar todos los ensayos pertinentes según lo indicado en las explicaciones técnicas.

Cuaderno de Incidencia y Valorizaciones en Obras

Importancia del Cuaderno de Incidencia

  • Se plantea la pregunta sobre si el cuaderno de incidencia debe ser anotado diariamente, generando diversas opiniones entre los participantes.
  • Se recomienda leer el artículo relacionado con el cuaderno de incidencia, que establece que se deben registrar hechos relevantes durante la ejecución de la obra.
  • Se discute qué documento del expediente técnico indica las actividades a realizar, confirmando que sí existe un documento relevante para ello.

Programa de Ejecución y Supervisión

  • El programa de ejecución es distinto al cronograma; debe reflejar avances reales que coincidan con lo programado.
  • Es esencial anotar diariamente en el cuaderno de obra las actividades realizadas y solicitar aprobación del supervisor para cada avance.
  • La conformidad del supervisor es crucial para validar los avances registrados en el cuaderno de incidencia.

Proceso Mensual y Valorización

  • Al final del mes, el residente suma los metrados realizados y verifica estos datos con el supervisor antes de proceder a la valorización.
  • La valorización se presenta dentro de los primeros tres días del mes siguiente, basándose en acumulados mensuales.

Cálculo y Modalidades de Pago

  • Las valorizaciones se calculan por diferencia entre acumulados actuales y anteriores, facilitando un seguimiento claro del progreso financiero.
  • Se enfatiza la importancia del método acumulativo tanto para precios unitarios como para suma alzada en las obras.

Nuevas Modalidades Introducidas

  • Se introduce una nueva modalidad llamada costo reembolsable, eliminando la necesidad de fórmulas polinómicas previas.
  • Esta modalidad permite reconocer al contratista los costos reales incurridos durante la ejecución, mejorando así la transparencia financiera.

Cost Reimbursable and Valuation Process in Construction

Understanding Cost Reimbursable Mechanism

  • The cost of materials can fluctuate significantly over time; for instance, a material priced at 20 soles in January 2025 may rise to 50 soles by July. The entity will reimburse the contractor an additional 30 soles due to this increase.
  • This reimbursement mechanism is termed "cost reimbursable," which applies not only to actual costs but also includes metrics and internal pricing adjustments. It encompasses general expenses and fixed percentage profits as well.
  • Both the contractor and the contracting entity can benefit from price fluctuations; if material prices decrease instead of increasing, it can lead to shared gains between both parties. This dynamic is particularly relevant for finishing materials that may drop in price.

Valuation Process Overview

  • At the end of each month, measurements (metrados) are defined collaboratively between the resident engineer and supervisor, formalized through a record book (cuaderno de incidencia). This ensures accountability despite the supervisor's daily presence on-site.
  • Each party prepares their valuation report: the resident submits it for approval while the supervisor compares it against their own calculations. The reports must be submitted within specific timeframes—three days for submission by the resident and five days for review by the supervisor.

Handling Discrepancies in Measurements

  • In cases where there are disputes regarding measurements, regulations dictate that provisional payments should be made based on valuations determined by the supervisor until discrepancies are resolved between contractor and supervisor claims.
  • The economic quantification involves multiplying measured quantities by unit prices to derive total costs, which then include direct costs along with proportional general expenses and profit margins as part of a payment process referred to as "payment on account."

Final Review Procedures

  • New regulations now require that entities also review valuations before final approval—a step not mandated previously—ensuring thorough oversight throughout the valuation process. This change aims to enhance accuracy and fairness in financial assessments related to construction projects.
  • If a supervisor fails to attend joint valuation meetings with contractors, it could lead to potential exploitation where contractors might inflate measurements without oversight; however, supervisors have designated periods post-submission to catch such discrepancies before finalizing approvals.

Valuation and Payment Processes in Contracting

Review and Payment Timeline

  • The contractor's valuation is reviewed by the contracting entity, which must pay the valuation by the end of the month it was submitted. For example, if submitted on July 3rd, payment for June's valuation is due by July 30th.

Handling Observations and Errors

  • If there are observations or errors found during review, these are communicated to both the supervisor and contractor, allowing time for corrections. The supervisor may face penalties for approving erroneous valuations as per their contract clause.

Response to Observations

  • Upon receiving feedback from the supervisor regarding observations, the contracting entity has a maximum of two business days to review any responses before proceeding with payment. If issues remain unresolved within this timeframe, only uncontested amounts will be paid.

Contractor Responsibilities During Delays

  • In cases where project delays are attributable to the contractor that affect supervisory services, costs incurred may be deducted from future valuations or contract settlements. The contracting entity can temporarily cover these costs during project execution but will seek reimbursement later.

Valuation Methods: Unit Price vs Lump Sum

  • Valuations can be based on unit prices or lump sums:
  • Unit Price: Payments reflect actual quantities executed; adjustments may occur based on over or under-execution.
  • Lump Sum: Payments correspond to total budgeted quantities without adjustments for actual work done unless specified otherwise in contract terms. This method is often used when project specifications are clearly defined.

Examples of Execution Metrics

  • Actual execution metrics can vary:
  • For instance, if a task requires 120 cubic meters but only 100 were completed while still meeting project goals, payment will be made for those executed units.
  • Conversely, if more than planned (e.g., completing 230 square meters instead of 220), payment reflects this increase as long as it aligns with project objectives.

This structured summary provides an overview of key concepts related to valuation processes in contracting as discussed in the transcript while linking back to specific timestamps for further reference and clarity.

Budgeting and Payment Discrepancies in Construction Projects

Understanding Budgeted vs. Actual Work Done

  • The budget for Activity B was set at 300 cubic meters, but only 250 cubic meters were completed. Despite this shortfall, the contractor is entitled to full payment based on the original budgeted amount, resulting in a loss for the entity.
  • In contrast, for Activity C, the contractor exceeded the budget by completing 225 square meters instead of the planned 200 square meters. Here, the contractor benefits as they still receive payment for the total budgeted amount despite doing more work than required.

Interest Calculation on Delayed Payments

  • A formula is introduced for calculating interest when an entity delays payment on a valuation submitted by a contractor. For example, if a valuation is presented in June and not paid until August or September, interest can be charged based on specific legal rates.
  • The calculation involves comparing accumulated interest factors from both the actual payment date and the last day it should have been paid (e.g., July 30). This ensures that contractors are compensated fairly for delayed payments.

Valuation Formulation and Cost Reimbursements

  • Valuations must reflect executed quantities using actual unit costs incurred during project execution while separately accounting for general expenses and profit margins. This process can complicate matters for supervisors who need to verify these claims regularly.
  • When additional work arises, prices must be negotiated between residents and supervisors to prevent contractors from exploiting pricing discrepancies through inflated quotes from favored suppliers or friends. This highlights potential conflicts of interest within procurement processes.

Ensuring Fair Pricing Practices

  • To mitigate risks associated with inflated pricing by contractors, entities should designate national suppliers whose prices are pre-approved to streamline cost verification each month without overburdening supervisors with excessive checks. This approach aims to maintain fairness in pricing throughout project execution.
  • The introduction of new regulations mandates that contractors submit construction plans before final payments are made; failure to do so results in withheld payments until compliance is achieved—this emphasizes accountability in project completion documentation.

Modifications in Supervision Payment Procedures

  • Recent modifications require that prior to any supervisor's payment approval, they must present monthly reports verifying their oversight activities related to project valuations—ensuring transparency and accountability within supervisory roles as per updated regulations (Decree Supreme 001 of 2026).
  • Monthly valuations now include provisions for additional services or modifications arising during supervision contracts; this flexibility allows adjustments based on evolving project needs while maintaining structured financial oversight practices across projects.

Contractual Payment Structures and Supervision

Overview of Payment Requests

  • The session concludes with a discussion on contractual payments, emphasizing the importance of understanding payment structures in construction projects.
  • A question arises regarding whether supervisors can request payment at the end of a project rather than monthly. The response highlights that this is not typical as employees generally prefer monthly payments.

Payment Timing and Tariffs

  • It is noted that no employee would agree to receive payment only at the end of a long project duration, indicating a preference for regular monthly compensation.
  • Payments are based on tariffs due to uncertainties in project timelines; even if a project is expected to last 90 days, it may extend beyond that due to various factors.

Review Process by Entities

  • When an entity reviews projections, they examine all relevant documents and metrics presented by the contractor, ensuring thorough oversight.
  • The review includes all reports and tests submitted by the contractor, not just valuation documents.

Suspension of Work Due to Deficiencies

  • A situation is described where work has been suspended due to deficiencies in structural and geomechanical aspects. An additional work proposal is being developed in response.

Polynomial Formulas in Contracts

  • Discussion about Supreme Decree 011-79-BC indicates that contracts should not exceed four polynomial formulas per project specialty (architecture, structure, sanitary, electrical).
  • Each specialty must have its own budget analysis; thus, one polynomial formula per specialty is required within contracts.

Financial Implications for Supervisors

  • Concerns are raised about financial viability when supervisors do not receive timely payments over extended periods.
  • New regulations state that if two months pass without payment for valuations submitted, specific actions must be taken including notifying the entity and potentially suspending work.

Reporting Requirements for Valuations

  • Supervisors must present their invoices alongside contractor valuations; there are separate reports for contractors and supervisors which need approval from the entity.

Additional Costs Consideration

  • A final query addresses how additional costs exceeding 15% of original amounts will be handled during reporting processes.

Understanding Additional Costs in Contracts

Overview of Additional Costs

  • The speaker explains that the additional costs can reach up to 15% of the original contract value, indicating that when general expenses are included, the total project cost may exceed 115%.
  • It is noted that while additional costs can be as high as 50%, the current discussion focuses on a specific case where it is capped at 15%. The technical file for this additional cost has already been approved.

Regulations and Responsibilities

  • The regulations state that not only contractors but also supervisors or entities can present an additional cost request. This highlights shared responsibilities in managing project finances.
  • There is a distinction made between general expenses related to the main contract and those associated with additional costs. Each set of expenses will have its own percentage calculations.

Financial Implications

  • If both sets of general expenses (from the main contract and from additional costs) are summed, they could exceed 100%. However, it's emphasized that each type of expense should be treated separately.
  • Clarification is sought regarding unanswered questions, suggesting an open line for further inquiries via WhatsApp.

Session Coordination and Future Meetings

  • Acknowledgment of participation from attendees is made, along with reminders about coordinating slides with relevant departments for future sessions.

Upcoming Sessions and Evaluations

  • Important dates are provided: the fourth session will occur on February 1st at 7 PM; the fifth session on February 7th at 7 PM; evaluations will also take place on these dates.

Closing Remarks

  • Attendees are thanked for their participation, reminded about attendance validation through evaluations, and encouraged to reach out if they need assistance with pending evaluations.