Quality Assurance Handbook for Rural Roads Volume-I - pmgsy

4.2 Tests during construction
185
Quality Assurance Handbook for Rural Roads
The quality control tests to be carried out during construction are indicated in Table 1300.4
TABLE 1300.4: QUALITY CONTROL TESTS DURING CONSTRUCTION
S. No. Test / Check Frequency
1. Laying of Filter granular material Daily check for workmanship
2. Laying boulders for Daily check for uniformity in workmanship
- Apron
- Pitching on Slopes
- Toe protection
- Wire crates
3. Mortar for Joints
a) Mix proportions, (control on quality of cement/ Each batch
lime by weight
b) Consistency and water retentivity (IS:2250) As required
c) Compressive strength(IS:2250) 3 samples of cubes where specified
4. Laying of brick stones in flooring Daily check for workmanship
5. Curtain wall Daily check for workmanship
6. Drain (Chute, Road side, Hill side and Catch water) Daily check for workmanship
4.3 Quality Control Checks by AE / EE
The Quality control checks to be carried out by AE / EE are indicated in Table 1300.5.
TABLE 1300.5: QUALITY CONTROL CHECKS BY AE/EE
S. No. Test / Check Designation of Inspecting Officer
1. Fastening of wire crates and size of boulders in apron and
pitching
AE / EE
2. Bonding of brick/stone masonry AE / EE
3. Cross section and gradients of all drains AE / EE
4. General workmanship of protection works EE
C. Do’s and Don’ts
Do’s Don’ts
1. Complete floor protection well before the onset of
monsoon.
2. The minimum of weight of stone in apron shall be
25 kg.
3. The stone shall be sound, hard and regular in
shape.
4. When stones of required size are not available, use
cement concrete block equivalent weight of M15
grade.
1. Do not use stone subject to marked deterioration by
water or weather.
2. Do not adopt length of apron which is less than two
times the depth of curtain wall.
3. Do not use round boulders in stone pitching.
4. Do not excavate the completed road works for
construction of road side drains.