Use Cases

Use cases for the most time-consuming work in construction.

Start with bidding and preconstruction. Extend into execution when scope changes, meeting notes, contracts, risks, and notices appear.

Bidding & preconstruction

Converza's first wedge is the work that happens before bid close and proposal submission.

Specs & Addenda Review

Important requirements are spread across specs, divisions, annexes, and addenda.

Help identify critical requirements
Review addenda against base documents
Flag candidate contradictions
Summarize relevant changes
Open the available page, sheet, or passage

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Draft 1LPN-008-2025_Pliego-de-Licitacion.pdf

108%

MINISTRY OF PUBLIC WORKS AND TRANSPORT

INSTITUTIONAL PROCUREMENT AND CONTRACTING UNIT

Climate adaptation works in Comunidad Italia

Section II. Bid Data Sheet

A. General information

Procurement process: LPN-008/2025
LPN-008-2025_Pliego-de-Licitacion.pdf: Section II · Bid Data Sheet

ITB 1.1

The Employer is the Ministry of Public Works and Transport. The process name is: Construction of climate adaptation works in Comunidad Italia. The procurement reference number is LPN-008/2025.

ITB 1.2

Expected completion date for the works: 210 calendar days after the date established in the notice to proceed.

ITB 2.1

The expected amount for construction of the works is: US$1,260,000.00 including VAT. The contract will be awarded as a full package.

B. Contents of the Bidding Documents

ITB 7.1

Any bidder requiring clarification must request it in writing to the purchasing unit no later than August 7, 2026.

ITB 7.2

The site visit will begin at the main access to Comunidad Italia.Date: July 28, 2026, at 9:00 a.m. Attendance must be recorded in the participant register.

ITB 23.1

Bids must be received at the address stated in the invitation notice no later than August 17, 2026, at 10:00 a.m.

RFI Generation

Many questions are found late or drafted without enough document support.

Help identify ambiguities
Propose questions to prioritize
Draft formal RFIs
Include references to section, sheet, or addendum
Edit the draft in the workspace

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Draft 1Spec 07 13 00 Waterproofing.pdf

108%

TECHNICAL SPECIFICATIONS · DIVISION 07

07 13 00 · Waterproofing

Project: San Martín Education Center · LPN-014/2026
Process: Spec 07 13 00 Waterproofing.pdf
Document: 07 13 00 · Waterproofing
Reference: Section 3.2 · Execution

PART 3 · EXECUTION

3.1 EXAMINATION — Verify that substrates are sound, clean, dry, and free of irregularities that could damage the membrane.

3.2 INSTALLATION — Install waterproofing at interfaces with enclosures, parapets, and penetrations indicated in the architectural drawings.

Install a compatible SBS membrane and maintain a minimum vertical upturn of 200 mm above finished level.

Coordinate terminations with facade details. Seal exposed edges and verify adhesion before concealing the system.

Related clauses

3.3 PROTECTION — Protect completed membrane from traffic, punctures, and exposure before installing adjacent finishes.
3.4 UNFORESEEN CONDITIONS — Submit any undefined condition or conflict with the contract documents to the designer for review before proceeding.

Agent

Agent modes

Extended Thinking

FastSmart

Compare Section 07 13 00, detail 5/A-501, and Addendum 02. What must we clarify before closing the envelope price?

Searches

Spec 07 13 00 Waterproofing.pdfSection 3.2 · Execution · page 146Done

Section 07 13 00 requires an SBS membrane with a 200 mm minimum upturn; detail 5/A-501 shows 150 mm. Addendum 02 confirms continuity and sealing but does not resolve which height governs. Issue an RFI before closing the price. 123

Message…

07 13 00 · Waterproofing

Proposal Narratives

Proposals are written under pressure and often fail to reflect a strong understanding of the project.

Help summarize RFP goals
Flag evaluation criteria
Draft project understanding
Align prior experience with requirements
Create editable drafts

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Project understanding · Municipal Library

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ArialNormal text12BIUSH#

TECHNICAL PROPOSAL · RFP-2026-04

2. Project understanding

Internal draft · Rev. 2

Project: Municipal Library Renovation
Owner: Municipal Government
Issued: August 3, 2026
Criterion: RFP 4.2 · 20 points

2.1 Understanding the need

The work must renew the enclosure, systems, and finishes without fully interrupting Municipal Library services. Our strategy maintains controlled public access, egress routes, and essential services during every phase.

The core challenge is not only completing construction on time, but continuously separating patrons from the work, coordinating closures with administration, and protecting collections from dust, vibration, and moisture.

2.2 Phasing strategy

Phase 1 · west wing and temporary services; public access through the east lobby.
Phase 2 · central core and MEP; noisy work outside peak occupancy hours.
Phase 3 · east wing, testing, and transition; turnover by zone after joint inspection.

2.3 Operational control and communication

The superintendent will coordinate closures, routes, noise, and critical activities with administration each week. Every phase change includes inspection of barriers, signage, accessible routes, and the updated emergency plan.

2.4 Applicable experience

The protocol builds on two recent occupied public-building renovations where the team delivered by zone, monitored dust, and coordinated daily operations without total service closures.

Scope & Risk Analysis

Scope gaps and contradictions often appear after pricing is submitted.

Help review exclusions
Flag conflicts between documents
Create a risk table
Suggest clarifications
Prepare notes for internal review

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Agent

Agent modes

Extended Thinking

FastSmart

Review the attached Division 01, C-102, Addendum 03, and civil bid. Identify scope gaps that affect price and state the closeout action.

Searches

Review of 4 documents01 14 00 · C-102 · Addendum 03 · Bid CIV-042Done

Analysis

Scope gaps for bid closeout

I found three interfaces without complete ownership. The largest exposure is maintaining pedestrian access: the drawing requires it, while the civil bid excludes barriers, signage, and traffic control.

Finding	Source	Impact	Action	Output
Temporary pedestrian route required; barriers and traffic control excluded	C-102, N3 + CIV-042, excl. 7 1	240 guard hours, barriers, and city permit are unpriced	Confirm owner and payment method	RFI-Prebid-06
Addendum 03 moves access closure to phase 2 without time extension	Addendum 03, item 4 + C-102 2	Consumes 5 float days and extends temporary fencing	Recalculate sequence and indirects	Assumption L-04
Continuous operations restrict shutdowns and noisy work	01 14 00, 1.6.C 3	12 night shifts and productivity loss from daily remobilization	Separate extended hours from base price	Alternate ALT-03

Message…

Division 01 General Requirements.pdf

Risk

Source

Impact

Recommendation

Suggested RFI

Ambiguous scope

Spec 01 10 00

Cost

Validate

Request clarification

Quantity and estimate review

Estimates are finalized against drawings, specs, addenda, and quotes that rarely align on the first pass.

Cross-check line items against sources
Flag quantity and unit differences
Flag unpriced scope
Review addendum impacts
Prepare a bid-close matrix

Converza identifies candidate differences; the estimator validates each finding and updates the control estimate.

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Agent

Agent modes

Extended Thinking

FastSmart

Compare the attached Site Estimate.xlsx against C-301, Section 32 13 13, and Addendum 02. Flag quantity differences, unpriced scope, and thickness changes.

Searches

Estimate review against 3 sourcesEstimate rev. 6 · C-301 rev. 4 · 32 13 13 · Addendum 02Done

Analysis

Line items requiring a decision before closeout

There is a quantifiable 49 m curb variance (+14.9%), required base preparation without a separate line, and a slab thickness increase of 50%. No change should be posted to the estimate without engineer validation.

Line item	Source	Finding	Impact	Decision
Concrete curb	C-301, Q-04 + Est. rev. 6 1	378 m vs 329 m: +49 m (+14.9%)	Verify returns at entries A and C	Update after engineering confirms
Base preparation	32 13 13, 3.3.A 2	150 mm granular base has no separate line	Confirm inclusion in unit price	Create line or assumption
Entry slab	Addendum 02, R-14 3	Thickness 100 → 150 mm; volume +50%	Recalculate concrete and verify reinforcing	Review line 32-110 cost

Message…

Spec 32 13 13 Paving.pdf

Execution & control

These workflows appear as a natural expansion when the same document context is used during execution.

Scope Changes

During execution, changes get buried across meeting notes, drawings, contracts, and communications.

Help contrast instructions with contracts and drawings
Summarize potential impacts
Prepare notes for internal review
Connect evidence and chronology

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Draft 1OAC Meeting Notes 18.docx

108%

OAC MEETING MINUTES NO. 18

OAC Meeting Minutes No. 18

Project: Execution change review
Process: OAC Meeting Notes 18.docx
Document: OAC Meeting Minutes No. 18
Reference: Item 4.3 · access, logistics, and sequencing

4 · ACCESS, LOGISTICS, AND SEQUENCING

Date: May 21, 2026 · Location: Site office · Attendees: Owner, supervision, general contractor, and facade subcontractor.

4.3 The owner advised that access through the north gate will be restricted from 6:00 p.m. to 6:00 a.m. beginning Monday, May 25.

Access through the north gate will be restricted from 6:00 p.m. to 6:00 a.m. beginning Monday, May 25.

The contractor noted that the facade crew uses this access for material hoisting and requested confirmation of an alternate route.

Related clauses

ACTION 4.3.1 — The contractor will submit a preliminary cost and schedule impact within five calendar days.
STATUS — The instruction is recorded without agreement on responsibility, cost, or time extension.
4.4 The owner will confirm the alternate facade-delivery route before May 22.
4.5 The contractor will keep daily records of access, standby hours, and affected resources.

Agent

Agent modes

Extended Thinking

FastSmart

Analyze a new instruction against contract, drawings, and meeting notes.

Searches

OAC Meeting Notes 18.docxItem 4.3 · access, logistics, and sequencing · page 4 of 7Done

The instruction recorded in OAC 18 changes the approved night access, may shift the week 12 facade sequence, and starts a five-day contractual notice window. Night hours and indirect costs should be tracked separately while impact is quantified. 123

Message…

OAC Meeting Minutes No. 18

Emerging Risks

Risk signals appear in meeting notes, changes, and communications before becoming a problem.

Summarize candidate early signals
Propose priorities for review
Suggest actions
Keep sources visible

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Agent

Agent modes

Extended Thinking

FastSmart

Review the attached OAC notes 21 through 23, HVAC submittal log, and lookahead. Which risk is escalating, and what decision date must we protect?

Searches

Cross-checking minutes, submittals, and lookaheadOAC 21–23 · SUB-HVAC-031 · Lookahead W27–W32 · clause 8.3Done

Analysis

Emerging risks · August 3, 2026 cutoff

AHU-03 is no longer only an overdue submittal: with a 14-week fabrication lead time and a September 28 on-site need, the June 22 approval date is now more than six weeks overdue. The team should evaluate an alternate and protect contractual notice.

Signal	Source	Impact	Owner	Action
AHU-03 remains unapproved across three weekly cutoffs	OAC 21–23 + SUB-HVAC-031 1	Approval due Jun 22; now more than 6 weeks overdue	PM / Design	Select alternate by Aug 7
Level 03 ceiling release depends on equipment supports and penetrations	Lookahead W27–W32, act. M-318 2	May shift ceiling close-in and overhead testing on level 03	Field / MEP	Resequence east zone
The delay may trigger the seven-day impact-notice provision	Contract cl. 8.3 + OAC 23 3	Schedule reservation may be lost if it is not documented	Contracts	Issue preventive notice

Message…

OAC Notes 21-23.docx

Contractual Notices

Critical communications must be grounded in contracts, evidence, and chronology.

Help find relevant clauses
Order facts and support documents
Draft notices and reservations of rights
Keep human control before sending

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Change notice · Night access

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ArialNormal text12BIUSH#

CONTRACT PC-17-2026 · CONTRACTUAL NOTICE

Notice AC-006 · North gate restriction

Draft for review

Date: May 22, 2026
Project: North Civic Center
To: Project supervision
From: General Contractor
Contract: PC-17-2026
Clause: 8.3 · Change notice

1. Notified event

This notice documents the north-gate restriction instructed by the owner during OAC Meeting No. 18 on May 21, 2026, expected to take effect May 25 between 6:00 p.m. and 6:00 a.m.

The approved Logistics Plan C-102 Rev. 3 uses that gate for delivery and hoisting of facade panels serving work front F-12.

2. Preliminary impact

Rescheduling deliveries and possible movement of week 12 facade activities.
Standby time, an added spotter, access control, and supervision outside planned hours.
Pending evaluation of an alternate route and available float in activities F-120 through F-145.

3. Reservation and actions

The contractor reserves the right to request cost and time adjustment under Clause 8.3 while quantification is completed. Please confirm the effective date, alternate route, and responsibility for temporary resources in writing.

The contractor will maintain daily access, labor, equipment, and lost-time records and will submit detailed impact within the applicable contract period.

4. Supporting documents

OAC Meeting Minutes No. 18, items 4.3 through 4.5.
Contract PC-17-2026, Clause 8.3.
Logistics Plan C-102 Rev. 3 and Lookahead Weeks 11–14.

Contract Comparison

Changes between contracts can alter risk, obligations, or commercial terms.

Assist comparison of selected clauses
Summarize differences
Prioritize risks
Prepare legal review

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Agent

Agent modes

Extended Thinking

FastSmart

Compare the attached Owner Contract Draft v3 against the Approved Template 2024. Prioritize differences that change exposure, cash flow, or project administration.

Searches

Comparison of 2 contractsDraft v3 · 2024 Template · 146 aligned clausesDone

Analysis

Material differences for legal and commercial review

The draft transfers three risks that the template limited: indemnity not tied to negligence, payment conditioned on owner approval, and retention through total closeout. Each needs a redline or commercial impact before signature.

Clause	Source	Change	Owner	Action
Indemnity is no longer limited to negligent acts and adds consequential damages	Draft 12.4 vs baseline 11.2 1	Potential exposure is not capped at contract value	Legal	Restore causation and cap
Payment changes from 30 days after invoice to 45 days after owner approval	Draft 7.2 vs baseline 6.1 2	Uncertain cash flow; external approval has no deadline	Commercial	Remove condition or set deadline
Retention increases from 5% to 10% and releases only at total closeout	Draft 8.1 vs baseline 7.4 3	Doubles retained capital and extends recovery	Finance	Price financing / redline

Message…

Owner Contract Draft v3.pdf

Subcontractor Scopes

Scope packages need clear inclusions, exclusions, and interfaces.

Draft by trade
List inclusions
List exclusions
Flag interfaces

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Draft 1Division 23 HVAC.pdf

108%

TECHNICAL SPECIFICATIONS · DIVISION 23

23 09 00 · Instrumentation and controls

Project: Mechanical bid package
Process: Division 23 HVAC.pdf
Document: 23 09 00 · Instrumentation and controls
Reference: Part 3 · trade coordination

23 09 00 · INSTRUMENTATION AND CONTROLS

The controls contractor shall provide controllers, sensors, actuators, programming, startup, and building automation system training.

Coordinate power, raceways, communication wiring, and termination points with Divisions 26 and 28.

The controls contractor shall provide communication wiring, sensors, and actuators for the DDC system.

Diagrams E-601 show power to control panels but do not assign low-voltage wiring between equipment and controllers.

Related clauses

3.6 Include TAB, sequences of operation, and functional testing coordinated with the commissioning agent.
3.7 Identify exclusions and interfaces before issuing the request for quotation to trade partners.
3.8 Coordinate the location, power, and network for each panel with diagrams M-601 and E-601.
3.9 Provide the point list, programming backups, and eight hours of owner training.

Agent

Agent modes

Extended Thinking

FastSmart

Draft inclusions, exclusions, and interfaces for trade partner review.

Searches

Division 23 HVAC.pdfPart 3 · trade coordination · page 238Done

The mechanical package includes furnishing, installation, startup, TAB, and insulation. Main power remains with electrical; controls integration and low-voltage wiring require an explicit interface before the RFQ is issued. 123

Message…

23 09 00 · Instrumentation and controls

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