IS 12592:2002 specifies requirements for precast concrete manhole covers and frames used in sewerage and storm-water drainage systems. The standard covers materials, reinforcement, dimensions, workmanship, grades, shapes, sizes and performance requirements to support reliable and safe use. BIS product guidance identifies the standard as applicable to precast concrete manhole covers and frames and notes two amendments. Certko provides testing support through suitable BIS-recognised/NABL-accredited laboratories for conformity assessment and certification needs.
Chemical Testing
Precast concrete manhole cover and frame — IS 12592 (2002) Testing
IS 12592 (2002) is a BIS product testing standard for cement & construction materials (1 notified product). Book laboratory testing required for ISI Mark / CRS certification.
IS · India
IS (Indian Standards) — typically accepted in India. Bureau of Indian Standards test methods — primary evidence for BIS / India market compliance and many domestic buyer specs.
- Product category
- Cement & Construction Materials
- Main standard
- IS 12592 (2002)
- Test type
- Chemical / composition
- Accreditation
- ISO/IEC 17025 / NABL (BIS-recognised labs)
- Testing timeline
- 7–12 working days
- Sample size required
- 100–500 g representative sample (or as per IS)
- Tentative testing price
- ₹8K – ₹15K
Indicative BIS lab charges from product records — confirm with the laboratory.
BIS products tested to this standard
1 BIS-notified product map to IS 12592 (2002) — open a product for scheme, labs and indicative costs.
FAQs about Precast concrete manhole cover and frame — IS 12592 (2002) Testing
Q1. What shapes and sizes are tested under IS 12592:2002?
The standard provides requirements for specified shapes and dimensions, while BIS laboratory records show testing coverage for circular, rectangular and square configurations and different sizes.
Q2. Is one sample sufficient for IS 12592 certification testing?
The BIS product manual states that one manhole cover and frame set is specified as the sample size for all tests under the product certification scheme. Actual sampling should follow the applicable BIS requirements.
Q3. Why should manufacturers conduct IS 12592 testing?
Testing helps demonstrate that precast concrete manhole covers and frames meet the applicable dimensional, construction, finishing and load-performance requirements, supporting product quality and BIS conformity.
Q4. What is the importance of load testing under IS 12592?
Load testing verifies the performance of the manhole cover under the specified test load and checks conditions such as permanent set and cracking. These requirements support safe use in drainage and sewerage applications.
Q5. Is IS 12592:2002 still relevant for BIS certification?
Yes. BIS continues to list IS 12592:2002 in its laboratory and conformity-assessment records. The standard also has amendments incorporated into its certification framework.
Q6. What tests are performed for IS 12592:2002?
Testing can include grade verification, dimensions, reinforcement, edge protection and finishing, lifting hooks, seating compatibility and load testing. BIS LIMS currently lists these test parameters for the standard.
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