CIAP Document 102

Learning Objectives

  • Understand the purpose and application of CIAP Document 102 in private construction.
  • Identify the structure and hierarchy of standard contract documents.
  • Learn the key provisions regarding execution, changes in the work, time and delays, and payments.
  • Understand the dispute resolution mechanisms outlined in the document.

The Uniform General Conditions of Contract for Private Construction (CIAP Document 102) forms the backbone of private construction agreements in the Philippines, establishing the rights, obligations, and relationships of the owner, contractor, and engineer.

CIAP Document 102

A standard set of General Conditions of Contract promulgated by the Construction Industry Authority of the Philippines (CIAP). It is widely adopted by the industry to ensure fair, equitable, and predictable risk allocation in private construction projects.

Structure of Contract Documents

CIAP Document 102 Article 2.03 provides seven interpretation rules. Rules 1–2 require the Agreement and Contract Documents to be read together and apply the Civil Code and Rules of Court principles for interpreting contracts and documents. If those rules do not resolve the conflict, Rule 3 gives priority to detailed over general drawings, words and figures over drawings, words over figures in Contract Documents, and written over measured dimensions.

Only where a conflict cannot be resolved by Rule 3, or Rule 3 does not apply, does Rule 4 use this default order: (1) Agreement as modified by the Notice of Award, if applicable, and the Contractor's conformity; (2) Instructions to Bidders and amendments; (3) addenda to Bid Documents; (4) Specifications; (5) Special Conditions; (6) General Conditions; (7) Drawings; (8) the Contractor's Performance and Payment Bonds under Clause 31.04; (9) the Contractor's Guarantee Bond under Clause 31.05; (10) other Contract Documents; and (11) other documents attached to or incorporated into the Contract by reference.

Rules 5–7 address complementarity for discrepancies and omissions, good and accepted local construction practice where the documents are silent, and the precedence of specific interpretation rules in the document or Contract. The Agreement may modify Rule 4's order; merely listing Contract Documents does not establish precedence. Check the operative signed Contract.

CIAP 102 Article 2.03: resolve conflicts in stages

Apply Rules 1–3 before Rule 4's eleven-part default order. Also check Rules 5–7: Contract Documents may be complementary, local accepted practice may fill silence, and specific document or Contract rules control. The Agreement may modify the default order, and merely listing documents establishes no priority.

CIAP 102 Article 2.03 applies interpretation rules before its eleven-part Rule 4 document order, which is used only when Rule 3 does not resolve the conflict or does not apply.

Key Provisions of CIAP Document 102

Understanding the specific articles within Document 102 is crucial for project managers and contractors to navigate the complexities of execution.

Execution of the Work

  • Contractor's Responsibility: The Contractor is solely responsible for the means, methods, techniques, sequences, and procedures of construction. They must provide competent supervision and skilled labor.
  • Owner's Representative: The Owner usually appoints an Engineer or Architect as their representative to administer the contract, inspect the work, and certify payments.
  • Site Conditions: Before bidding, the Contractor is presumed to have inspected the site. Unforeseen subsurface conditions may entitle the Contractor to an equitable adjustment in price or time, provided they promptly notify the Owner.
CIAP 102: responsibilities during execution

The actual Agreement defines authority. Inspection, certification, or representation does not by itself give the Owner's Representative authority to change the contract.

A responsibility matrix separates the Owner's decisions, the Contractor's means and methods, and the Owner's Representative's contract administration within delegated authority.

Changes in the Work

  • Change Orders: The Owner has the right to order changes in the scope of work (additions, deletions, or modifications) without invalidating the contract.
  • Equitable Adjustment: If a change causes an increase or decrease in the cost of, or the time required for, performance, an equitable adjustment must be negotiated and formalized in a written Change Order.
  • Claim notices: Article 20.08 requires written notice within 15 days after receiving a post-bid Owner instruction, Drawing, or Specification considered a change, as much as possible before proceeding with the work, except for an emergency endangering life or property. For mobilization or progress delays attributable to the Owner, give written notice within 15 days after recognizing the delay. These notice procedures are distinct from Articles 20.06 and 20.07; notice alone does not establish entitlement, which depends on the Contract and facts.
Authorize an Owner-Directed Change Under CIAP 102

Check general scope, Article 20.07(A)'s bid threshold, and the separate supplemental-contract route for aggregate overruns.

Scope: this chart shows the owner-directed change authorization and valuation routes under Article 20.07; it does not determine entitlement to extra time or payment under another claim theory. Use the operative 2022 edition of CIAP Document 102 and the actual Agreement and Special Conditions. Article 20.07(A) allows Owner-directed extra work or changes within the Contract's general scope when resulting overruns or underruns from bid quantities or costs do not exceed 25%; the Owner must order the change in writing, and revised Drawings or Supplemental Specifications may be sufficient instruction. Article 20.07(D) requires a supplemental contract for Owner-required aggregate overruns beyond 25%; the Contractor need not execute that excess at the Bid unit rate, and the supplement is separate from and independent of the Contract. Separately, Article 20.07(D)(b) permits stipulated or agreed unit prices only when aggregate changes do not exceed 25% of the original Contract Price of the particular pay item. If the aggregate value of changes per pay item exceeds that amount and the Contractor executes the additional work with objection or protest without demanding a supplemental contract, the clause directs valuation under (D)(b). Other listed valuation methods include a lump sum acceptable to the Contractor or actual direct cost plus VAT, if any, plus 15% for profit and overhead. Article 20.08 claim notices are separate from this authorization path. Actual project terms control.

Authorize an Owner-Directed Change Under CIAP 102Check general scope, Article 20.07(A)'s bid threshold, and the separate supplemental-contract route for aggregate overruns.. Scope: this chart shows the owner-directed change authorization and valuation routes under Article 20.07; it does not determine entitlement to extra time or payment under another claim theory. Use the operative 2022 edition of CIAP Document 102 and the actual Agreement and Special Conditions. Article 20.07(A) allows Owner-directed extra work or changes within the Contract's general scope when resulting overruns or underruns from bid quantities or costs do not exceed 25%; the Owner must order the change in writing, and revised Drawings or Supplemental Specifications may be sufficient instruction. Article 20.07(D) requires a supplemental contract for Owner-required aggregate overruns beyond 25%; the Contractor need not execute that excess at the Bid unit rate, and the supplement is separate from and independent of the Contract. Separately, Article 20.07(D)(b) permits stipulated or agreed unit prices only when aggregate changes do not exceed 25% of the original Contract Price of the particular pay item. If the aggregate value of changes per pay item exceeds that amount and the Contractor executes the additional work with objection or protest without demanding a supplemental contract, the clause directs valuation under (D)(b). Other listed valuation methods include a lump sum acceptable to the Contractor or actual direct cost plus VAT, if any, plus 15% for profit and overhead. Article 20.08 claim notices are separate from this authorization path. Actual project terms control.. Owner proposes extra or changed work → Within the Contract's general scope?; Within the Contract's general scope? — Yes → Are bid quantity/cost overruns or underruns within 25%? (20.07(A)); Within the Contract's general scope? — No or unclear → Hold; establish authority outside general scope; Are bid quantity/cost overruns or underruns within 25%? (20.07(A)) — Yes → Order in writing; revised Drawings/Specs may suffice; Are bid quantity/cost overruns or underruns within 25%? (20.07(A)) — No → Do Owner-required aggregate overruns exceed 25%? (20.07(D)); Order in writing; revised Drawings/Specs may suffice → Do changes to this pay item stay within 25% of its original Contract Price? (20.07(D)(b)); Do changes to this pay item stay within 25% of its original Contract Price? (20.07(D)(b)) — Yes → Use the stipulated or agreed unit price; Do changes to this pay item stay within 25% of its original Contract Price? (20.07(D)(b)) — No → Execute over cap with objection/protest and without demanding a supplement?; Execute over cap with objection/protest and without demanding a supplement? — Yes → Value the protested work under 20.07(D)(b); Execute over cap with objection/protest and without demanding a supplement? — No → Use an acceptable lump sum or actual cost + VAT + 15%; Use the stipulated or agreed unit price → Change authorized and valuation recorded; Value the protested work under 20.07(D)(b) → Change authorized and valuation recorded; Use an acceptable lump sum or actual cost + VAT + 15% → Change authorized and valuation recorded; Do Owner-required aggregate overruns exceed 25%? (20.07(D)) — Yes → Execute a separate supplemental contract for the excess; Do Owner-required aggregate overruns exceed 25%? (20.07(D)) — No → Hold; confirm another contractual basis; Execute a separate supplemental contract for the excess → Proceed under the supplemental contract

Owner proposes extra or changed work → Within the Contract's general scope?; Within the Contract's general scope? — Yes → Are bid quantity/cost overruns or underruns within 25%? (20.07(A)); Within the Contract's general scope? — No or unclear → Hold; establish authority outside general scope; Are bid quantity/cost overruns or underruns within 25%? (20.07(A)) — Yes → Order in writing; revised Drawings/Specs may suffice; Are bid quantity/cost overruns or underruns within 25%? (20.07(A)) — No → Do Owner-required aggregate overruns exceed 25%? (20.07(D)); Order in writing; revised Drawings/Specs may suffice → Do changes to this pay item stay within 25% of its original Contract Price? (20.07(D)(b)); Do changes to this pay item stay within 25% of its original Contract Price? (20.07(D)(b)) — Yes → Use the stipulated or agreed unit price; Do changes to this pay item stay within 25% of its original Contract Price? (20.07(D)(b)) — No → Execute over cap with objection/protest and without demanding a supplement?; Execute over cap with objection/protest and without demanding a supplement? — Yes → Value the protested work under 20.07(D)(b); Execute over cap with objection/protest and without demanding a supplement? — No → Use an acceptable lump sum or actual cost + VAT + 15%; Use the stipulated or agreed unit price → Change authorized and valuation recorded; Value the protested work under 20.07(D)(b) → Change authorized and valuation recorded; Use an acceptable lump sum or actual cost + VAT + 15% → Change authorized and valuation recorded; Do Owner-required aggregate overruns exceed 25%? (20.07(D)) — Yes → Execute a separate supplemental contract for the excess; Do Owner-required aggregate overruns exceed 25%? (20.07(D)) — No → Hold; confirm another contractual basis; Execute a separate supplemental contract for the excess → Proceed under the supplemental contract

  • Owner proposes extra or changed work: terminator
  • Within the Contract's general scope?: decision
  • Are bid quantity/cost overruns or underruns within 25%? (20.07(A)): decision
  • Order in writing; revised Drawings/Specs may suffice: process
  • Do changes to this pay item stay within 25% of its original Contract Price? (20.07(D)(b)): decision
  • Use the stipulated or agreed unit price: process
  • Execute over cap with objection/protest and without demanding a supplement?: decision
  • Value the protested work under 20.07(D)(b): process
  • Use an acceptable lump sum or actual cost + VAT + 15%: process
  • Change authorized and valuation recorded: terminator
  • Do Owner-required aggregate overruns exceed 25%? (20.07(D)): decision
  • Execute a separate supplemental contract for the excess: process
  • Proceed under the supplemental contract: terminator
  • Hold; establish authority outside general scope: terminator
  • Hold; confirm another contractual basis: terminator
Report Field and Subsurface Changes Under CIAP 102

Route a materially different subsurface condition separately from an unforeseen field or quantity adjustment.

Scope: this chart covers Article 20.07(B) subsurface reporting and Article 20.06 field-condition adjustments; it does not determine entitlement under a separate claim theory. Use the operative 2022 edition of CIAP Document 102 and the actual contract documents. Under Article 20.07(B), call a materially different subsurface condition to the Owner's attention before disturbing it; the Owner investigates, and a Change Order is necessary if additional or different work is required. Article 20.06 covers unforeseen working-drawing adjustments for field conditions and resulting quantity or scope changes; give timely notice when an adjustment to Contract Price or Completion Time is required. Work done without timely notice of a required adjustment is at the Contractor's risk and expense. Article 20.08 provides separate claim-notice requirements for post-bid Owner instructions, Drawings, or Specifications considered a change, and for delays in mobilization and/or progress attributable to the Owner; those deadlines and entitlement decisions are outside this diagram. Consult the operative clause and actual contract. Emergency work is addressed by Articles 18.01 and 20.05.

Report Field and Subsurface Changes Under CIAP 102Route a materially different subsurface condition separately from an unforeseen field or quantity adjustment.. Scope: this chart covers Article 20.07(B) subsurface reporting and Article 20.06 field-condition adjustments; it does not determine entitlement under a separate claim theory. Use the operative 2022 edition of CIAP Document 102 and the actual contract documents. Under Article 20.07(B), call a materially different subsurface condition to the Owner's attention before disturbing it; the Owner investigates, and a Change Order is necessary if additional or different work is required. Article 20.06 covers unforeseen working-drawing adjustments for field conditions and resulting quantity or scope changes; give timely notice when an adjustment to Contract Price or Completion Time is required. Work done without timely notice of a required adjustment is at the Contractor's risk and expense. Article 20.08 provides separate claim-notice requirements for post-bid Owner instructions, Drawings, or Specifications considered a change, and for delays in mobilization and/or progress attributable to the Owner; those deadlines and entitlement decisions are outside this diagram. Consult the operative clause and actual contract. Emergency work is addressed by Articles 18.01 and 20.05.. A field or subsurface condition is encountered → Materially different subsurface condition?; Materially different subsurface condition? — Yes → Notify Owner before disturbing; Owner investigates; Materially different subsurface condition? — No → Unforeseen field or quantity change?; Notify Owner before disturbing; Owner investigates → Is additional or different work required?; Is additional or different work required? — Yes → Obtain the required Change Order before changed work; Is additional or different work required? — No → Record finding; continue under the Contract Documents; Obtain the required Change Order before changed work → Subsurface change authorized and recorded; Unforeseen field or quantity change? — Yes → Notify Owner promptly if price or time adjustment is required; Unforeseen field or quantity change? — No → No covered change identified; document the condition; Notify Owner promptly if price or time adjustment is required → Was covered work performed without required timely notice?; Was covered work performed without required timely notice? — Yes → Work done without timely notice is at Contractor's risk and expense; Was covered work performed without required timely notice? — No → Record notice status; obtain a Change Order and adjustment when required; Record notice status; obtain a Change Order and adjustment when required → Article 20.06 change authorized and recorded

A field or subsurface condition is encountered → Materially different subsurface condition?; Materially different subsurface condition? — Yes → Notify Owner before disturbing; Owner investigates; Materially different subsurface condition? — No → Unforeseen field or quantity change?; Notify Owner before disturbing; Owner investigates → Is additional or different work required?; Is additional or different work required? — Yes → Obtain the required Change Order before changed work; Is additional or different work required? — No → Record finding; continue under the Contract Documents; Obtain the required Change Order before changed work → Subsurface change authorized and recorded; Unforeseen field or quantity change? — Yes → Notify Owner promptly if price or time adjustment is required; Unforeseen field or quantity change? — No → No covered change identified; document the condition; Notify Owner promptly if price or time adjustment is required → Was covered work performed without required timely notice?; Was covered work performed without required timely notice? — Yes → Work done without timely notice is at Contractor's risk and expense; Was covered work performed without required timely notice? — No → Record notice status; obtain a Change Order and adjustment when required; Record notice status; obtain a Change Order and adjustment when required → Article 20.06 change authorized and recorded

  • A field or subsurface condition is encountered: terminator
  • Materially different subsurface condition?: decision
  • Notify Owner before disturbing; Owner investigates: process
  • Is additional or different work required?: decision
  • Obtain the required Change Order before changed work: process
  • Subsurface change authorized and recorded: terminator
  • Record finding; continue under the Contract Documents: terminator
  • Unforeseen field or quantity change?: decision
  • No covered change identified; document the condition: terminator
  • Notify Owner promptly if price or time adjustment is required: process
  • Was covered work performed without required timely notice?: decision
  • Record notice status; obtain a Change Order and adjustment when required: process
  • Article 20.06 change authorized and recorded: terminator
  • Work done without timely notice is at Contractor's risk and expense: terminator

Time and Delays

  • Contract Time: Time is of the essence. The Contractor must commence work upon receiving the Notice to Proceed and complete it within the stipulated time.
  • Excusable Delays: Delays caused by factors beyond the Contractor's control (e.g., force majeure, owner-caused delays, severe weather) may entitle the Contractor to an extension of time, but not necessarily additional compensation.
  • Liquidated Damages: If the Contractor fails to complete the project on time, they are liable to pay the Owner a pre-agreed daily penalty (liquidated damages) to compensate for the delayed use of the facility.

Payments and Completion

  • Progress Payments: The Contractor is typically paid monthly based on the percentage of work completed. The Engineer certifies the payment application.
  • Retention Money: Article 22.02 retains 10% of each progress payment. Once 50% of the Contract has been accomplished, no further retention is made on progress billings for the remaining work. Under Article 22.11, subject to Article 33.01, the Owner releases retention no later than the end of the Period of Making Good of Known Defects upon the Contractor's posting of a Guarantee Bond.
  • Substantial Completion: Article 20.11 sets the threshold at 95% of the Work, provided remaining work does not prevent normal use of the completed portion. Approval of a billing for at least 95% is treated as the Owner's acknowledgment unless the Owner establishes that unfinished work prevents normal use. Liquidated damages for delay do not accrue after the substantial-completion date.

Retention Calculator Limits

The legacy calculator demonstrates one progress billing with a user-selected rate. It does not track cumulative Contract accomplishment, the 50% retention cutoff, or release requirements. For the standard CIAP 102 example, use 10% retention per billing until the Contract is 50% accomplished, then no further retention on billings for the balance. Retention release follows Article 22.11 upon posting the Guarantee Bond, no later than the end of the defects period, subject to Article 33.01. The calculator's generic “project completion” label simplifies this timing.

Explore how a selected retention rate changes the retained and payable amounts for one progress billing.

Retention Money Calculator

Calculate retention money (typically 10% of progress billings) held until project completion to ensure defect correction.

Calculation Result

From the progress billing of PHP 500,000, PHP 50,000 is retained, making the net payable amount PHP 450,000.
Retention=500000×0.10=PHP 50000Payable=500000−50000=PHP 450000\begin{aligned} \text{Retention} &= 500000 \times 0.10 = \text{PHP } 50000 \\\\ \text{Payable} &= 500000 - 50000 = \text{PHP } 450000 \end{aligned}

Dispute Resolution

  • Negotiation: The first step is always amicable settlement.
  • Arbitration: If disputes cannot be resolved, CIAP Document 102 generally mandates that they be submitted to the Construction Industry Arbitration Commission (CIAC) for binding arbitration, precluding costly and lengthy litigation in regular courts.

Scope Limitation

CIAP Document 102 is designed for private construction. Government procurement is governed by RA 12009 and its approved IRR, subject to the transition rules for activities published before the IRR took effect. GPPB Circular No. 01-2025 also permits continued use of RA 9184 guidance or forms until the corresponding NGPA guidance or forms are issued. Government construction contracts use their applicable general conditions; follow the actual solicitation and contract rather than applying CIAP 102 by analogy.

Key Takeaways
  • CIAP Document 102 provides the standard General Conditions for private construction contracts in the Philippines, defining the rules of engagement.
  • It clearly outlines procedures for handling crucial issues like Change Orders, time extensions, progress payments, and retention money.
  • Disputes under CIAP Document 102 are typically resolved through mandatory arbitration via the CIAC.

References