Gradation for CTB/CTSB

1. Sample details

Description of material Source Location Date of sampling Date of testing Tested by

2. Layer

Layer Total sample weight (gm)

CTSB and CTB are checked against the same MoRTH Table 400-4 limits; the layer selection only labels the report. Verify against the current edition for your project.

3. Sieve analysis

Enter weight retained (gm) on each sieve. % passing and the pass/fail check are computed automatically.

4. Result

Overall conformity —

5. Report

This app saves everything (test data) for the active project in your browser, tied to this folder. Logos and project details are entered once on the main Projects page and shared by every module.

Import data (JSON)

Reference — MoRTH Table 400-4 grading limits (CTSB / CTB aggregate)

Kept here for quick reference while testing. CTSB and CTB use the same limit set here, so the two columns are identical. Limits are transcribed for reference — verify against the current MoRTH edition / contract specification.