Letter No. SEP&D / TABRS / 362 / 2022, dated 17-10-2022
The Public Works Department, through the Superintending Engineer, Public Works Department Planning and Design Circle, issued Letter No. SEP&D / TABRS / 362 / 2022 dated 17 October 2022 to the Chennai Metropolitan Development Authority. It provides document requirements, scrutiny purposes, review timelines, officers and user credentials for Public Works Department structural design scrutiny connected with the Single Window Portal for planning permission in Tamil Nadu.
What the letter covers
The Public Works Department letter provides details requested by the Chennai Metropolitan Development Authority for developing the Single Window Portal for planning permission in Tamil Nadu. It explains how applicants must submit structural designs for scrutiny and how the Public Works Department reviews them before issuing reviewed design files.
The requirements affect project promoters and applicants whose structural designs are referred by the Chennai Metropolitan Development Authority. They also affect the registered architect, structural engineer and geotechnical engineer responsible for preparing and certifying the documents.
Documents required
An applicant must submit:
- A Chennai Metropolitan Development Authority recommendation letter for scrutiny of the structural design and details, one copy.
- Complete architectural plans, one set.
- Complete structural design drawings, two sets.
- A design brief report containing design and analysis information, two sets.
- A geotechnical report with bore log details and recommendations, two sets.
- Soft copies of structural models, design details and architectural plans, on one pen drive.
The documents must carry the signatures and seals of the registered architect or structural engineer and the geotechnical engineer. Each seal must include registration details from the competent authority.
What the scrutiny checks
Public Works Department structural design scrutiny checks safety and serviceability against Bureau of Indian Standards codal provisions. The review includes:
- Whether the analysis method, static or dynamic, is appropriate for the building height.
- Compliance with Bureau of Indian Standards provisions.
- Consistency between calculations and drawings, including checks of software models and design calculation reports.
- Detailing, clarity and whether the drawings can be readily used for site execution.
Review process and timelines
After receiving the documents and the Chennai Metropolitan Development Authority letter, the Public Works Department will identify missing documents, if any, and provide a date for the technical presentation within seven days.
If scrutiny of the documents, software model and technical presentation produces remarks, the applicant must correct every remark and resubmit. The letter states that this may take seven to thirty days. If the design satisfies all codal provisions, the reviewed design files will be issued within seven days after scrutiny and presentation.
Department contacts and portal roles
The Public Works Department identifies Dr. K. Punithavel, Joint Chief Engineer, as the nodal officer and Er. M. Vasudevan, Superintending Engineer, as the second level officer. The portal requires separate credentials for an initiator who scrutinises documents and software models, and an approver who conducts the final review and approval.
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Common questions
Do I need a referral letter from the Chennai Metropolitan Development Authority?
Yes. The required submission includes one Chennai Metropolitan Development Authority letter recommending scrutiny of the structural design and details.
Can I submit unsigned structural drawings and reports?
No. The documents must be signed and sealed by the registered architect or structural engineer and the geotechnical engineer, with registration details from the competent authority shown on the seal.
What happens if the Public Works Department finds problems in the design?
The applicant must address all remarks and resubmit the documents. The letter states that this process may take seven to thirty days.
How soon are reviewed design files issued after the design is accepted?
If the structural design satisfies all codal provisions after document scrutiny and the technical presentation, the reviewed design files will be issued within seven days.
