Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

3. Section-1500
3.2 Tests during construction
TABLE 1503.2: QUALITY CONTROL TESTS PRIOR TO CONSTRUCTION
S. No. Tests/ Check Frequency
1. Materials for concrete As in Table 1501.2
2. Concrete Mix Design For approval by EE
3. Grading for bedding and Joint filling sand As in Table 1503.1
4. Size and Compressive Strength of Paving blocks As per drawings
5. Subgrade and Subbase As in Table 301.5 & 401.3
6. Trial length before commencement of regular work Approval by EE
7. Design parameters(Joints Details, Pattern of laying and As per drawing
End restraints)
8. Manufacturing machine or Semi mechanized method for As per contract
blocks and Vibrating plate compactor
The Quality Control Tests to be carried out during construction are indicated in Table 1503.3
Table 1503.3: QUALITY CONTROL TESTS DURING CONSTRUCTION
S. No. Tests/ Check Frequency
1. Subgrade and Subbase As in Table 301.5 and 401.3
2. Compressive Strength of concrete (IS:516) As in Table 1501.3
3. Pattern of laying of blocks and End restraints At random
(As per drawings)
4. Earthen shoulders(Width and camber) At random
5. Width of Joints between blocks At random
6. Tolerances (Level tolerance & Surface Regularity) At random
3.3 Quality Control Checks by AE/EE
The Quality Control Checks to be carried out by AE / EE are indicated in Table 1503.4
TABLE 1503.4: QUALITY CONTROL CHECKS BY AE / EE
S. No. Tests/ Check Frequency Designation of
Inspecting Officer
1. Level and surface regularity Once for every work AE / EE
2. Dimensions of blocks (Size and thickness) - do - -do-
3. Performance of 30 m Trial length For Each Work AE/EE
4. General Workmanship -do- -do-
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