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DB31/T 444-2022 Active
DB31/T 444-2022 Drainage pipeline TV and sonar detection evaluation technical regulations
Abstract
This document stipulates the basic requirements for the use of television and sonar to inspect municipal drainage pipes and ancillary facilities, pre-inspection preparations, equipment requirements, television inspection, sonar inspection, inspection well inspection, evaluation, inspection results data, and requirements for their informatized management.
This document is applicable to the inspection and evaluation of municipal drainage pipes and ancillary facilities using television and sonar. Visual inspection or other inspections with image records can be used as reference.
General Product Information
| Document Type | Shanghai CityLocal standards |
|---|---|
| Standard Status | Active |
| Standard Code | DB31/T 444-2022 |
| CCS | Water supply and drainage equipment and devices |
| ICS | Drainage system |
| Implement Date | 2022-12-01 |
Price
$ 119
Subtotal
$ 119
Tax
$ 0.00
Order Total (incl. tax)
$ 119