(b) Repair / Strengthening of existing Grade Separated Intersection The following existing Grade Separated Structures shall be repaired and strengthened. Sl Existing Design Bridge Existing Failures Rehabilitation Measures no. Class Span Bridge Type Guniting has to be done. Fine line cracks on trestle surface. Replacement of wearing coat Wearing coat and expansion joint damaged. and expansion joint. The surface has to be cleaned Spalling of concrete at bottom of deck slab. and grouted with concrete. 1 x 10.6 + The concrete should be White patches under deck slab 1. 520+220 520+220 Flyover RCC 1 x 11.2 + painted with proofing paint. near drainage spouts. 1 x 10.60 RCC railings have to be RCC railings are damaged. repaired. Drainage spout are blocked with Drainage spouts are to be debris. cleaned and replaced if broken. Repair abutment cap. Abutment cap deteriorating. Vegetation has to be cleaned. High vegetation growth on wing walls. 2. 525+865 525+855 RCC 1 x 14 Replacement of wearing coat Wearing coat and expansion joint Flyover damaged. and expansion The surface has to be cleaned Spalling of concrete at bottom of and grouted with concrete. deck slab. (c) Reconstruction of existing Grade Separated Intersection Nil
(b) Repair / Strengthening of existing Grade Separated Intersection The following existing Grade Separated Structures shall be repaired and strengthened. Sl no. Existing Design Bridge Class Bridge Type Existing Span Failures Rehabilitation Measures 1. 520+220 520+220 Flyover RCC 1 x 10.6 + 1 x 11.2 + 1 x 10.60 Fine line cracks on trestle surface. Guniting has to be done. Wearing coat and expansion joint damaged. Replacement of wearing coat and expansion joint. Spalling of concrete at bottom of deck slab. The surface has to be cleaned and grouted with concrete. White patches under deck slab near drainage spouts. The concrete should be painted with proofing paint. RCC railings are damaged. RCC railings have to be repaired. Drainage spout are blocked with debris. Drainage spouts are to be cleaned and replaced if broken. 2. 525+865 525+855 Flyover RCC 1 x 14 Abutment cap deteriorating. Repair abutment cap. High vegetation growth on wing walls. Vegetation has to be cleaned. Wearing coat and expansion joint damaged. Replacement of wearing coat and expansion Spalling of concrete at bottom of deck slab. The surface has to be cleaned and grouted with concrete. (c) Reconstruction of existing Grade Separated Intersection Nil