Inputs
Clear, labeled input fields for quantities, unit costs, rates, tax treatment, and assumptions so calculations are repeatable and auditable.
A single, consistent Hydorculator streamlines cost modeling, reduces rework, and preserves the information needed to validate decisions. When shared and signed electronically it meets U.S. e-signature law requirements under ESIGN (15 U.S.C. ch. 96) and most state UETA regimes, which supports admissibility and enforceability in commercial contexts.
The Hydorculator is used by operational staff, finance teams, project managers, and contracting officers who need standardized, auditable estimates.
Different roles use the tool for planning, approval, and recordkeeping; selecting the right signer and reviewer reduces downstream disputes.
Clear, labeled input fields for quantities, unit costs, rates, tax treatment, and assumptions so calculations are repeatable and auditable.
Built-in formulas or linked spreadsheet cells that compute totals, margins, escalators, and contingency line items automatically to reduce manual errors.
Automatic version history and change notes that record who changed values, when, and why so comparisons and rollbacks are straightforward.
Designated signature blocks, role-based signers, and sequential routing so each stakeholder signs in the required order with an audit trail.
PDF and native spreadsheet export options for proposal attachments, procurement systems, and archival storage in standard formats.
Fields for project ID, client legal name, effective date, and governing law to ensure downstream contracts reference the same identifiers.
| Field | Configuration |
|---|---|
| Authentication Method | Email link with optional SMS code or KBA for high assurance. |
| Signing Order | Sequential or parallel signer routing per approval matrix. |
| Conditional Fields | Show or hide cost lines based on selection to reduce signer confusion. |
| Integrations | Connect to CRM/ERP (Salesforce, NetSuite) or cloud storage for auto-archival. |
Confirm recipient access and authentication options before sending to avoid signature delays and ensure auditability.
Date by which client must sign to lock the estimate.
Provide client vendor W-9 upon request; no fixed federal deadline.
Submit 1099-NEC to recipients and IRS by Jan 31 each year.
Effective Date in MM/DD/YYYY format controls performance start.
Schedule periodic retention checks per records policy.
| signNow | DocuSign | Adobe Sign | PandaDoc | HelloSign | |
|---|---|---|---|---|---|
| Starting Price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free Trial | 7-day trial | Varies by plan | Varies by plan | Varies by plan | Varies by plan |
| Bulk Send | Yes | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |
| Envelope Cap | No envelope cap | 100 envelopes/user/year limit | Varies by plan | Varies by plan | Varies by plan |
Optica used e-signature to simplify customer-facing documents and approvals.
A small property services firm adopted digital signing for lease exhibits and estimates.
Inputs confirmed and initial calculations finalized.
Finance and project leads validate numbers and assumptions.
Client reviews exhibit and signs or requests revisions.
Signed file and metadata stored in records management.