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Concrete & Precast Detailing

Post-Tension Detailing Services

Post-tension tendon layout and placement documentation for concrete construction, prepared from project-specific engineering information and approved detailing requirements.

7Solutions India supports coordinated post-tension drawing packages, tendon schedules, stressing-end references and interface documentation for project review and construction use. Engineering design and stressing approval remain the responsibility of the appointed professionals.

Service Overview

Construction Documentation for Post-Tensioned Concrete

Post-tensioning uses high-strength tendons that are stressed to introduce compression into concrete. The arrangement, profile, anchorage and stressing process are determined by the responsible design team and the selected post-tensioning system.

Our detailing role is to translate those project requirements into coordinated drawings and schedules. Typical documentation identifies tendon routes, elevations, support positions, anchorage zones, openings and relevant construction interfaces.

Post-tensioning may be used in cast-in-place slabs and other concrete systems; it is not exclusively a precast service. Requirements differ by system and must be confirmed at project kickoff.

Technical Capabilities

Post-Tension Drawing & Schedule Deliverables

Documentation scope is set according to the structural design package, tendon system, project stage and client requirements.

CAPABILITY 01

Tendon Layout Plans

Tendon identification, spacing, direction, grouping and coordinate references from approved design information.

CAPABILITY 02

Profile & Elevation Details

High-point and low-point references, drape information and profile notes based on engineer-defined geometry.

CAPABILITY 03

Anchorage Details

Fixed and stressing-end locations, recess references and interfaces with edges, beams and construction joints.

CAPABILITY 04

Tendon & Chair Schedules

Bar or tendon identification, quantities, length references and chair information when supplied or approved.

CAPABILITY 05

Reinforcement Coordination

Drawing-level coordination with conventional reinforcement, sleeves, penetrations and embedded components.

CAPABILITY 06

Review & Revision Packages

Drawing issue registers, comment tracking and revisions following authorized project changes.

Applications

Where Post-Tension Documentation Is Used

Post-tension detailing may support floor slabs, podium slabs, transfer elements and other concrete members designed for post-tensioning. Project requirements depend on the structural system, construction sequence and tendon supplier.

  • Residential and commercial floor plates
  • Parking and podium structures
  • Long-span concrete floor systems
  • Selected precast or segmental concrete applications
  • Alterations requiring verified existing tendon information

What We Need From Your Team

  • Approved structural drawings and design revisions
  • Tendon layout/design criteria and system details
  • Slab thicknesses, levels, openings and joints
  • Anchorage, support and stressing requirements
  • Requested CAD/PDF formats and issue schedule
  • Named review and approval responsibilities
Project Workflow

Five-Step Detailing Process

A clear review path helps keep tendon documentation aligned with engineering decisions and field coordination.

01

Review Inputs

Identify supplied drawings, tendon system and required deliverables.

02

Clarify Interfaces

Raise questions on edges, openings, profiles and anchorage zones.

03

Develop Drawings

Prepare layouts, sections and schedules within approved scope.

04

Coordinate Review

Check drawing consistency and incorporate authorized comments.

05

Issue Package

Organize deliverables, revisions and final transmittal records.

Related Services

Connected Concrete Documentation Services

Use these pages for broader precast detailing, reinforcement, or shop drawing requirements rather than repeating their scope here.

Frequently Asked Questions

Post-Tension Detailing FAQs

What information appears in post-tension detailing drawings?
Tendon locations and identification, profile information, anchorage positions, stressing-end references, relevant sections, and schedules as specified in the design and project scope.
Can post-tension drawings be prepared before the design is finalized?
Preliminary coordination documents may be possible, but construction or fabrication use requires the applicable design review and approvals. Unresolved inputs should remain clearly identified.
Do you provide tendon stressing calculations?
Stressing forces, losses, sequencing and related calculations are engineering responsibilities. Their preparation or review must be separately scoped with appropriately qualified professionals.
Can post-tension drawings be coordinated with reinforcement and openings?
Yes, drawing-level interfaces can be reviewed against provided reinforcement, sleeve, penetration and structural information. Conflicts should be referred to the responsible design team.
What files are required to request a detailing proposal?
Share the applicable structural drawings, tendon system/design information, project stage, drawing deliverables, intended file formats and schedule expectations.

Need Post-Tension Detailing Support?

Share your concrete design documents and drawing requirements so the team can review the proposed scope and next steps.

info@7solutionsindia.com
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