Document Details |
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| Name of Department/Committee : | WRD 15 | ||||
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| Document Number : | WRD 15 ( 21609) | ||||
| Document Title [English] : | GUIDELINES FOR PLANNING LAYOUT AND DESIGN OF CAVITIES IN UNDERGROUND HYDROELECTRIC POWER STATIONS | ||||
| Document Title [Hindi] : | भूमिगत जलविद्युत विद्युत स्टेशनों में गुहाओं की योजना, लेआउट और डिजाइन के लिए दिशानिर्देश | ||||
| Document Type : | Revision | ||||
| Language : | English | ||||
| Priority : | 3 | ||||
| ICS Code : | 93.160 | ||||
| Date of Project Approval : | 26-12-2022 | ||||
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| Standards to be Superseded : |
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Classification Details |
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| Group : | Civil Engineering Design and Construction |
| Sub Group : | Hydraulic and other related structures |
| Sub Sub Group : | Code of practice for structural design, selection and layout of of surface hydroelectric power stations and related structures |
| Aspects : | Others |
| Risk : | Low |
| Certification : | Not Certifiable |
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| ITCHS Code : | |
| Ministry : |
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| Sustainable development Goals : | |
| Degree of Equivalence : | Indigenous |
| Identical/Equivalent Standards : | |
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| Sl.No. | Synosis Points | |
| 1 | The major changes incorporated in this revision are: a) Replacement of photoelastic model tests with numerical analyses for determining stress field around the cavity for various stages of excavation. b) Addition of minimum effective rock cover, range of arch height of roof of the cavern and minimum rock width between two cavities. c) Addition of numerical analysis for assessment of stability of cavities. d) Specifications for rock bolt length. | |
Timeline Details |
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Stages |
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| Sl. No. |
Stage | Date of Occurence | Remarks | Circulated to | Files |
| 1 | Generation of Document Number | 26-12-2022 | ------- | ||
| 2 | P-Draft Waived | 26-12-2022 | ------- | ||
| 3 | WC Draft | 02-01-2023 | Duration : 60 Days Submitted for HOD approval |
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| 4 | WC Draft | 02-01-2023 | WC rejected by HOD Remarks: CHECK REVIEWED OR REAFFIRMED STATUS OF REFERENCE STANDARDS |
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| 5 | WC Draft | 02-01-2023 | Duration : 60 Days Submitted for HOD approval Remarks : Checked the status of reference standards and submitted for approval |
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| 6 | WC Draft | 02-01-2023 | WC approved by HOD |
WRDC WRD 15, | ------- |