Infrastructure Damage Report : रामनगर भण्डारपानी अमगड़ी बोहराकोट आखूलढूँगा तल्ली सेठी बेतालघाट रतौड़ा भुजान विशालकोट जैना रींची बिल्लेख राज्य मार्ग

“i. Provision of 3.0m x 2.5m CC catchpit and 8.0m long, 3.0m wide 1 bay RCC box culvert at Ch.63.095 km (replacing existing scupper) ii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with DT mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 9.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) and provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. in average area of (167x54x2-12800sqm) from Ch.63.202km to Ch. 63.369km and elevation ranging from Elt800m to El±872m. iii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with dt mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 8.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) in average area of (20x36x/2-1000sqm) from Ch.63.371km to Ch. 63.407km and elevation ranging from El±822m to El±842m. iv. Provision of 3.0m x 2.5m CC catchpit at CH.63.435km. V 8.0m long. 3.0m wide 1 bay RCC box culvert at Ch.63.435 km (replacing existing scupper). vi. Provision of 25.0m high, 20m long anchored CC cladding from Ch.63.405km to Ch.63.425km for road edge protection. vii. Provision of 4m high, 60m long gabion wall from Ch.63.407km to Ch.63.467km along the river bed. viii. Provision of 3.0m wide, 10m long CC channel at Ch. 63.435km. ix. Provision of 3.0m wide, 20m long gabion channel at Ch. 63.435km x Provision of 5.0m high, 10.0m long gabion anchor block for toe protection along the river at Ch. 63.435km. xi. Offloading and provision of three 5.0m wide bench and provision of 2.0m high, 61.0m long gabion wall with 10mm thick GCCM drain at each bench from Ch.63.300km to Ch. 63.369km xil. Offloading and provision of 5.0m wide bench and provision of 3.0m high, 70.0m long gabion wall with GCCM drain at the bench from Ch.63.229km to Ch. 63.299km at El.±830 xiii. Provision of 5.0m high, 202m long gabion wall from Ch. 63.205km to Ch. 63.407km at El 2801m after backfilling the proposed RCC wall. xiv. Provision of 6.0m high, 167m long anchored CC wall at toe along the road from Ch. 63.202 km to Ch. 63.369 km XV. Provision of 6.0m high. 202m long RCC wall from Ch 63.205km to Ch.63.407km for erosion protection, xvi. Construction of 3 nos. of 8m height, repelling type gabion spurs @ 30m c/c along river shore line for toe protection. xvii. Provision of 4.0m high, 107m long CC wall with longitudinal drain at toe along the road from Ch. 63.095 km to Ch. 63.202 km. xviii. Provision of 3.0m high, 36m long anchored CC gravity wall with longitudinal drain at toe along the road from Ch. 63.371 km to Ch. 63.407 km. xix. Provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. ic installation of 4.0m deep percussion driven high tensile steel/zinc-aluminium alloy soil anchors of minimum 11kn load bearing capacity, comprising of minimum 6mm dia wire rope tendon and the tensile strength of wire of the cable should be 1770N/sqmm having corrosion protection of Zn coating @3.0m c/c (staggered) on an average area of 2300 sqm. xx. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63.369 km and elevation ranging from El ±796m to El ±801m. xoxi. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63,369 km and elevation ranging from El ±787m to El ±792m. 3.3 Design Standards The Specifications and Standards laid down in IRC/ IS standards and MoRTH guidelines have generally been adopted for designing and estimating of the proposed treatment measures. Indian standards such as IS 14448 and State of the Art-Design and Construction of Rockfall Mitigation Systems (IRC HRB Special Report 23) have been referred for finalization of stability measures.

“i. Provision of 3.0m x 2.5m CC catchpit and 8.0m long, 3.0m wide 1 bay RCC box culvert at Ch.63.095 km (replacing existing scupper) ii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with DT mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 9.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) and provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. in average area of (167x54x2-12800sqm) from Ch.63.202km to Ch. 63.369km and elevation ranging from Elt800m to El±872m. iii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with dt mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 8.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) in average area of (20x36x/2-1000sqm) from Ch.63.371km to Ch. 63.407km and elevation ranging from El±822m to El±842m. iv. Provision of 3.0m x 2.5m CC catchpit at CH.63.435km. V 8.0m long. 3.0m wide 1 bay RCC box culvert at Ch.63.435 km (replacing existing scupper). vi. Provision of 25.0m high, 20m long anchored CC cladding from Ch.63.405km to Ch.63.425km for road edge protection. vii. Provision of 4m high, 60m long gabion wall from Ch.63.407km to Ch.63.467km along the river bed. viii. Provision of 3.0m wide, 10m long CC channel at Ch. 63.435km. ix. Provision of 3.0m wide, 20m long gabion channel at Ch. 63.435km x Provision of 5.0m high, 10.0m long gabion anchor block for toe protection along the river at Ch. 63.435km. xi. Offloading and provision of three 5.0m wide bench and provision of 2.0m high, 61.0m long gabion wall with 10mm thick GCCM drain at each bench from Ch.63.300km to Ch. 63.369km xil. Offloading and provision of 5.0m wide bench and provision of 3.0m high, 70.0m long gabion wall with GCCM drain at the bench from Ch.63.229km to Ch. 63.299km at El.±830 xiii. Provision of 5.0m high, 202m long gabion wall from Ch. 63.205km to Ch. 63.407km at El 2801m after backfilling the proposed RCC wall. xiv. Provision of 6.0m high, 167m long anchored CC wall at toe along the road from Ch. 63.202 km to Ch. 63.369 km XV. Provision of 6.0m high. 202m long RCC wall from Ch 63.205km to Ch.63.407km for erosion protection, xvi. Construction of 3 nos. of 8m height, repelling type gabion spurs @ 30m c/c along river shore line for toe protection. xvii. Provision of 4.0m high, 107m long CC wall with longitudinal drain at toe along the road from Ch. 63.095 km to Ch. 63.202 km. xviii. Provision of 3.0m high, 36m long anchored CC gravity wall with longitudinal drain at toe along the road from Ch. 63.371 km to Ch. 63.407 km. xix. Provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. ic installation of 4.0m deep percussion driven high tensile steel/zinc-aluminium alloy soil anchors of minimum 11kn load bearing capacity, comprising of minimum 6mm dia wire rope tendon and the tensile strength of wire of the cable should be 1770N/sqmm having corrosion protection of Zn coating @3.0m c/c (staggered) on an average area of 2300 sqm. xx. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63.369 km and elevation ranging from El ±796m to El ±801m. xoxi. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63,369 km and elevation ranging from El ±787m to El ±792m. 3.3 Design Standards The Specifications and Standards laid down in IRC/ IS standards and MoRTH guidelines have generally been adopted for designing and estimating of the proposed treatment measures. Indian standards such as IS 14448 and State of the Art-Design and Construction of Rockfall Mitigation Systems (IRC HRB Special Report 23) have been referred for finalization of stability measures.

“i. Provision of 3.0m x 2.5m CC catchpit and 8.0m long, 3.0m wide 1 bay RCC box culvert at Ch.63.095 km (replacing existing scupper) ii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with DT mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 9.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) and provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. in average area of (167x54x2-12800sqm) from Ch.63.202km to Ch. 63.369km and elevation ranging from Elt800m to El±872m. iii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with dt mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 8.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) in average area of (20x36x/2-1000sqm) from Ch.63.371km to Ch. 63.407km and elevation ranging from El±822m to El±842m. iv. Provision of 3.0m x 2.5m CC catchpit at CH.63.435km. V 8.0m long. 3.0m wide 1 bay RCC box culvert at Ch.63.435 km (replacing existing scupper). vi. Provision of 25.0m high, 20m long anchored CC cladding from Ch.63.405km to Ch.63.425km for road edge protection. vii. Provision of 4m high, 60m long gabion wall from Ch.63.407km to Ch.63.467km along the river bed. viii. Provision of 3.0m wide, 10m long CC channel at Ch. 63.435km. ix. Provision of 3.0m wide, 20m long gabion channel at Ch. 63.435km x Provision of 5.0m high, 10.0m long gabion anchor block for toe protection along the river at Ch. 63.435km. xi. Offloading and provision of three 5.0m wide bench and provision of 2.0m high, 61.0m long gabion wall with 10mm thick GCCM drain at each bench from Ch.63.300km to Ch. 63.369km xil. Offloading and provision of 5.0m wide bench and provision of 3.0m high, 70.0m long gabion wall with GCCM drain at the bench from Ch.63.229km to Ch. 63.299km at El.±830 xiii. Provision of 5.0m high, 202m long gabion wall from Ch. 63.205km to Ch. 63.407km at El 2801m after backfilling the proposed RCC wall. xiv. Provision of 6.0m high, 167m long anchored CC wall at toe along the road from Ch. 63.202 km to Ch. 63.369 km XV. Provision of 6.0m high. 202m long RCC wall from Ch 63.205km to Ch.63.407km for erosion protection, xvi. Construction of 3 nos. of 8m height, repelling type gabion spurs @ 30m c/c along river shore line for toe protection. xvii. Provision of 4.0m high, 107m long CC wall with longitudinal drain at toe along the road from Ch. 63.095 km to Ch. 63.202 km. xviii. Provision of 3.0m high, 36m long anchored CC gravity wall with longitudinal drain at toe along the road from Ch. 63.371 km to Ch. 63.407 km. xix. Provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. ic installation of 4.0m deep percussion driven high tensile steel/zinc-aluminium alloy soil anchors of minimum 11kn load bearing capacity, comprising of minimum 6mm dia wire rope tendon and the tensile strength of wire of the cable should be 1770N/sqmm having corrosion protection of Zn coating @3.0m c/c (staggered) on an average area of 2300 sqm. xx. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63.369 km and elevation ranging from El ±796m to El ±801m. xoxi. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63,369 km and elevation ranging from El ±787m to El ±792m. 3.3 Design Standards The Specifications and Standards laid down in IRC/ IS standards and MoRTH guidelines have generally been adopted for designing and estimating of the proposed treatment measures. Indian standards such as IS 14448 and State of the Art-Design and Construction of Rockfall Mitigation Systems (IRC HRB Special Report 23) have been referred for finalization of stability measures.

“i. Provision of 3.0m x 2.5m CC catchpit and 8.0m long, 3.0m wide 1 bay RCC box culvert at Ch.63.095 km (replacing existing scupper) ii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with DT mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 9.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) and provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. in average area of (167x54x2-12800sqm) from Ch.63.202km to Ch. 63.369km and elevation ranging from Elt800m to El±872m. iii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with dt mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 8.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) in average area of (20x36x/2-1000sqm) from Ch.63.371km to Ch. 63.407km and elevation ranging from El±822m to El±842m. iv. Provision of 3.0m x 2.5m CC catchpit at CH.63.435km. V 8.0m long. 3.0m wide 1 bay RCC box culvert at Ch.63.435 km (replacing existing scupper). vi. Provision of 25.0m high, 20m long anchored CC cladding from Ch.63.405km to Ch.63.425km for road edge protection. vii. Provision of 4m high, 60m long gabion wall from Ch.63.407km to Ch.63.467km along the river bed. viii. Provision of 3.0m wide, 10m long CC channel at Ch. 63.435km. ix. Provision of 3.0m wide, 20m long gabion channel at Ch. 63.435km x Provision of 5.0m high, 10.0m long gabion anchor block for toe protection along the river at Ch. 63.435km. xi. Offloading and provision of three 5.0m wide bench and provision of 2.0m high, 61.0m long gabion wall with 10mm thick GCCM drain at each bench from Ch.63.300km to Ch. 63.369km xil. Offloading and provision of 5.0m wide bench and provision of 3.0m high, 70.0m long gabion wall with GCCM drain at the bench from Ch.63.229km to Ch. 63.299km at El.±830 xiii. Provision of 5.0m high, 202m long gabion wall from Ch. 63.205km to Ch. 63.407km at El 2801m after backfilling the proposed RCC wall. xiv. Provision of 6.0m high, 167m long anchored CC wall at toe along the road from Ch. 63.202 km to Ch. 63.369 km XV. Provision of 6.0m high. 202m long RCC wall from Ch 63.205km to Ch.63.407km for erosion protection, xvi. Construction of 3 nos. of 8m height, repelling type gabion spurs @ 30m c/c along river shore line for toe protection. xvii. Provision of 4.0m high, 107m long CC wall with longitudinal drain at toe along the road from Ch. 63.095 km to Ch. 63.202 km. xviii. Provision of 3.0m high, 36m long anchored CC gravity wall with longitudinal drain at toe along the road from Ch. 63.371 km to Ch. 63.407 km. xix. Provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. ic installation of 4.0m deep percussion driven high tensile steel/zinc-aluminium alloy soil anchors of minimum 11kn load bearing capacity, comprising of minimum 6mm dia wire rope tendon and the tensile strength of wire of the cable should be 1770N/sqmm having corrosion protection of Zn coating @3.0m c/c (staggered) on an average area of 2300 sqm. xx. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63.369 km and elevation ranging from El ±796m to El ±801m. xoxi. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63,369 km and elevation ranging from El ±787m to El ±792m. 3.3 Design Standards The Specifications and Standards laid down in IRC/ IS standards and MoRTH guidelines have generally been adopted for designing and estimating of the proposed treatment measures. Indian standards such as IS 14448 and State of the Art-Design and Construction of Rockfall Mitigation Systems (IRC HRB Special Report 23) have been referred for finalization of stability measures.

“i. Provision of 3.0m x 2.5m CC catchpit and 8.0m long, 3.0m wide 1 bay RCC box culvert at Ch.63.095 km (replacing existing scupper) ii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with DT mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 9.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) and provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. in average area of (167x54x2-12800sqm) from Ch.63.202km to Ch. 63.369km and elevation ranging from Elt800m to El±872m. iii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with dt mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 8.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) in average area of (20x36x/2-1000sqm) from Ch.63.371km to Ch. 63.407km and elevation ranging from El±822m to El±842m. iv. Provision of 3.0m x 2.5m CC catchpit at CH.63.435km. V 8.0m long. 3.0m wide 1 bay RCC box culvert at Ch.63.435 km (replacing existing scupper). vi. Provision of 25.0m high, 20m long anchored CC cladding from Ch.63.405km to Ch.63.425km for road edge protection. vii. Provision of 4m high, 60m long gabion wall from Ch.63.407km to Ch.63.467km along the river bed. viii. Provision of 3.0m wide, 10m long CC channel at Ch. 63.435km. ix. Provision of 3.0m wide, 20m long gabion channel at Ch. 63.435km x Provision of 5.0m high, 10.0m long gabion anchor block for toe protection along the river at Ch. 63.435km. xi. Offloading and provision of three 5.0m wide bench and provision of 2.0m high, 61.0m long gabion wall with 10mm thick GCCM drain at each bench from Ch.63.300km to Ch. 63.369km xil. Offloading and provision of 5.0m wide bench and provision of 3.0m high, 70.0m long gabion wall with GCCM drain at the bench from Ch.63.229km to Ch. 63.299km at El.±830 xiii. Provision of 5.0m high, 202m long gabion wall from Ch. 63.205km to Ch. 63.407km at El 2801m after backfilling the proposed RCC wall. xiv. Provision of 6.0m high, 167m long anchored CC wall at toe along the road from Ch. 63.202 km to Ch. 63.369 km XV. Provision of 6.0m high. 202m long RCC wall from Ch 63.205km to Ch.63.407km for erosion protection, xvi. Construction of 3 nos. of 8m height, repelling type gabion spurs @ 30m c/c along river shore line for toe protection. xvii. Provision of 4.0m high, 107m long CC wall with longitudinal drain at toe along the road from Ch. 63.095 km to Ch. 63.202 km. xviii. Provision of 3.0m high, 36m long anchored CC gravity wall with longitudinal drain at toe along the road from Ch. 63.371 km to Ch. 63.407 km. xix. Provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. ic installation of 4.0m deep percussion driven high tensile steel/zinc-aluminium alloy soil anchors of minimum 11kn load bearing capacity, comprising of minimum 6mm dia wire rope tendon and the tensile strength of wire of the cable should be 1770N/sqmm having corrosion protection of Zn coating @3.0m c/c (staggered) on an average area of 2300 sqm. xx. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63.369 km and elevation ranging from El ±796m to El ±801m. xoxi. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63,369 km and elevation ranging from El ±787m to El ±792m. 3.3 Design Standards The Specifications and Standards laid down in IRC/ IS standards and MoRTH guidelines have generally been adopted for designing and estimating of the proposed treatment measures. Indian standards such as IS 14448 and State of the Art-Design and Construction of Rockfall Mitigation Systems (IRC HRB Special Report 23) have been referred for finalization of stability measures.

“i. Provision of 3.0m x 2.5m CC catchpit and 8.0m long, 3.0m wide 1 bay RCC box culvert at Ch.63.095 km (replacing existing scupper) ii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with DT mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 9.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) and provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. in average area of (167x54x2-12800sqm) from Ch.63.202km to Ch. 63.369km and elevation ranging from Elt800m to El±872m. iii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with dt mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 8.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) in average area of (20x36x/2-1000sqm) from Ch.63.371km to Ch. 63.407km and elevation ranging from El±822m to El±842m. iv. Provision of 3.0m x 2.5m CC catchpit at CH.63.435km. V 8.0m long. 3.0m wide 1 bay RCC box culvert at Ch.63.435 km (replacing existing scupper). vi. Provision of 25.0m high, 20m long anchored CC cladding from Ch.63.405km to Ch.63.425km for road edge protection. vii. Provision of 4m high, 60m long gabion wall from Ch.63.407km to Ch.63.467km along the river bed. viii. Provision of 3.0m wide, 10m long CC channel at Ch. 63.435km. ix. Provision of 3.0m wide, 20m long gabion channel at Ch. 63.435km x Provision of 5.0m high, 10.0m long gabion anchor block for toe protection along the river at Ch. 63.435km. xi. Offloading and provision of three 5.0m wide bench and provision of 2.0m high, 61.0m long gabion wall with 10mm thick GCCM drain at each bench from Ch.63.300km to Ch. 63.369km xil. Offloading and provision of 5.0m wide bench and provision of 3.0m high, 70.0m long gabion wall with GCCM drain at the bench from Ch.63.229km to Ch. 63.299km at El.±830 xiii. Provision of 5.0m high, 202m long gabion wall from Ch. 63.205km to Ch. 63.407km at El 2801m after backfilling the proposed RCC wall. xiv. Provision of 6.0m high, 167m long anchored CC wall at toe along the road from Ch. 63.202 km to Ch. 63.369 km XV. Provision of 6.0m high. 202m long RCC wall from Ch 63.205km to Ch.63.407km for erosion protection, xvi. Construction of 3 nos. of 8m height, repelling type gabion spurs @ 30m c/c along river shore line for toe protection. xvii. Provision of 4.0m high, 107m long CC wall with longitudinal drain at toe along the road from Ch. 63.095 km to Ch. 63.202 km. xviii. Provision of 3.0m high, 36m long anchored CC gravity wall with longitudinal drain at toe along the road from Ch. 63.371 km to Ch. 63.407 km. xix. Provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. ic installation of 4.0m deep percussion driven high tensile steel/zinc-aluminium alloy soil anchors of minimum 11kn load bearing capacity, comprising of minimum 6mm dia wire rope tendon and the tensile strength of wire of the cable should be 1770N/sqmm having corrosion protection of Zn coating @3.0m c/c (staggered) on an average area of 2300 sqm. xx. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63.369 km and elevation ranging from El ±796m to El ±801m. xoxi. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63,369 km and elevation ranging from El ±787m to El ±792m. 3.3 Design Standards The Specifications and Standards laid down in IRC/ IS standards and MoRTH guidelines have generally been adopted for designing and estimating of the proposed treatment measures. Indian standards such as IS 14448 and State of the Art-Design and Construction of Rockfall Mitigation Systems (IRC HRB Special Report 23) have been referred for finalization of stability measures.

“i. Provision of 3.0m x 2.5m CC catchpit and 8.0m long, 3.0m wide 1 bay RCC box culvert at Ch.63.095 km (replacing existing scupper) ii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with DT mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 9.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) and provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. in average area of (167x54x2-12800sqm) from Ch.63.202km to Ch. 63.369km and elevation ranging from Elt800m to El±872m. iii. Application of high tensile rolled cable net of minimum longitudinal tensile strength 100 kN/m with dt mesh 2.2/3.2mm (id/od) wire dia 60x80mm mesh opening as secondary wire mesh i/c installation of 38/19 mm dia, 8.0m deep self-driven hollow anchors (400kN yield load) @ 2.25m c/c (staggered) with base plates (200x200x10) in average area of (20x36x/2-1000sqm) from Ch.63.371km to Ch. 63.407km and elevation ranging from El±822m to El±842m. iv. Provision of 3.0m x 2.5m CC catchpit at CH.63.435km. V 8.0m long. 3.0m wide 1 bay RCC box culvert at Ch.63.435 km (replacing existing scupper). vi. Provision of 25.0m high, 20m long anchored CC cladding from Ch.63.405km to Ch.63.425km for road edge protection. vii. Provision of 4m high, 60m long gabion wall from Ch.63.407km to Ch.63.467km along the river bed. viii. Provision of 3.0m wide, 10m long CC channel at Ch. 63.435km. ix. Provision of 3.0m wide, 20m long gabion channel at Ch. 63.435km x Provision of 5.0m high, 10.0m long gabion anchor block for toe protection along the river at Ch. 63.435km. xi. Offloading and provision of three 5.0m wide bench and provision of 2.0m high, 61.0m long gabion wall with 10mm thick GCCM drain at each bench from Ch.63.300km to Ch. 63.369km xil. Offloading and provision of 5.0m wide bench and provision of 3.0m high, 70.0m long gabion wall with GCCM drain at the bench from Ch.63.229km to Ch. 63.299km at El.±830 xiii. Provision of 5.0m high, 202m long gabion wall from Ch. 63.205km to Ch. 63.407km at El 2801m after backfilling the proposed RCC wall. xiv. Provision of 6.0m high, 167m long anchored CC wall at toe along the road from Ch. 63.202 km to Ch. 63.369 km XV. Provision of 6.0m high. 202m long RCC wall from Ch 63.205km to Ch.63.407km for erosion protection, xvi. Construction of 3 nos. of 8m height, repelling type gabion spurs @ 30m c/c along river shore line for toe protection. xvii. Provision of 4.0m high, 107m long CC wall with longitudinal drain at toe along the road from Ch. 63.095 km to Ch. 63.202 km. xviii. Provision of 3.0m high, 36m long anchored CC gravity wall with longitudinal drain at toe along the road from Ch. 63.371 km to Ch. 63.407 km. xix. Provision of geo-jute with seeding of lemon grass, dedodina, vetiver etc. ic installation of 4.0m deep percussion driven high tensile steel/zinc-aluminium alloy soil anchors of minimum 11kn load bearing capacity, comprising of minimum 6mm dia wire rope tendon and the tensile strength of wire of the cable should be 1770N/sqmm having corrosion protection of Zn coating @3.0m c/c (staggered) on an average area of 2300 sqm. xx. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63.369 km and elevation ranging from El ±796m to El ±801m. xoxi. Application of 300mm thick articulating grouted concrete mattress from Ch. 63.202 km to Ch. 63,369 km and elevation ranging from El ±787m to El ±792m. 3.3 Design Standards The Specifications and Standards laid down in IRC/ IS standards and MoRTH guidelines have generally been adopted for designing and estimating of the proposed treatment measures. Indian standards such as IS 14448 and State of the Art-Design and Construction of Rockfall Mitigation Systems (IRC HRB Special Report 23) have been referred for finalization of stability measures.

क्षतिग्रस्त दीवार -2 Excavation 0.5 x 1 x20.00 x3.60 x10.00= 360.00 Cum

CC 1:4:8 1 x 1x20.00x 3.60x 0.10= 7.20 Cum Cement plum Masonry 1 x 1 x20.00 x1.50x 1.00 =30.00 Cum

Random Rubble Stone Masonry laid in1:6 1 x 1 x20.00x 2.10x 9.00= 378.00 Cum

क्षतिग्रस्त दीवार 1x1x18.00x7.00 Excavation CC 1:4:8 Cement plum Masonry Random Rubble Stone Masonry laid inDry

क्षतिग्रस्त दीवार 1x1x50.00x8.00 Excavation CC 1:4:8 Cement plum Masonry Random Rubble Stone Masonry laid in1:6

क्षतिग्रस्त दीवार 1x1x35.00x7.00 Excavation CC 1:4:8 Cement plum Masonry Random Rubble Stone Masonry laid in1:6

क्षतिग्रस्त दीवार 1x1x50.00x8.00 Excavation CC 1:4:8 Cement plum Masonry Random Rubble Stone Masonry laid in1:6

क्षतिग्रस्त दीवार 1X1X40.00x8.00 Excavation CC 1:4:8 Cement plum Masonry Random Rubble Stone Masonry laid in1:6

क्षतिग्रस्त दीवार -3 Excavation 0.5 x 1x 18.00x 2.27 x5.00= 102.00 Cum

CC 1:4:8 1 x 1 x18.00x 2.27x 0.10= 4.08 Cum

Cement plum Masonry 1 x 1x 18.00 x1.50x 1.00= 27.00 Cum

Random Rubble Stone Masonry laid in Dry 1 x 1 x18.00x 1.43x 4.00= 103.20 Cum

क्षतिग्रस्त दीवार -3 Excavation 0.5 x 1x 10.00x 2.27 x5.00= 56.67 Cum

CC 1:4:8 1 x 1 x10.00x 2.27x 0.10= 2.27 Cum

Cement plum Masonry 1 x 1x 10.00 x1.50x 1.00= 15.00 Cum

Random Rubble Stone Masonry laid in 1:6 1 x 1 x10.00x 1.43x 4.00= 57.33 Cum

क्षतिग्रस्त दीवार -4 1x3NxL=6.00, X H=4.00 Excavation CC 1:4:8 Random Rubble Stone Masonry laid in Dry

क्षतिग्रस्त दीवार 1x1NxL=10.00, X H=5.00 Excavation CC 1:4:8 Random Rubble Stone Masonry laid in Dry

क्षतिग्रस्त दीवार 1x1NxL=8.00, X H=6.00

क्षतिग्रस्त दीवार 1x1x20.00x7.00 Excavation CC 1:4:8 Cement plum Masonry Random Rubble Stone Masonry laid in1:6

Hill Side Protection 100.00x3.00m Wire crete work for 2 layer Khud Side Protection 100.00x1.50m for wire crate And Road surface 100x3.75 m interlocking tile

Hill Side Protection 100.00x3.00m Wire crete work for 2 layer Khud Side Protection 100.00x1.50m for wire crate And Road surface 100x3.75 m interlocking tile

Hill Side Protection 200.00x3.00m Wire crete work for 2 layer Khud Side Protection 200.00x1.50m for wire crate And Road surface 200x3.75 m interlocking tile

क्षतिग्रस्त दीवार 1X1X30.00x5.50 Excavation CC 1:4:8 Cement plum Masonry Random Rubble Stone Masonry laid in1:6

क्षतिग्रस्त दीवार 1x1x12.00x7.00 Excavation CC 1:4:8 Random Rubble Stone Masonry laid inDry

क्षतिग्रस्त दीवार 1x1x7.00x5.00 Excavation CC 1:4:8 Random Rubble Stone Masonry laid inDry

क्षतिग्रस्त दीवार 1x1x10.00x5.00 Excavation CC 1:4:8 Cement plum Masonry Random Rubble Stone Masonry laid inDry

क्षतिग्रस्त दीवार L=30.00m, H= 8.00 m Excavation 0.5 x 1 30.00 2.93 8.00 352.00 Cum CC 1:4:8 1 x 1 30.00 2.93 0.10 8.80 Cum Cement plum Masonry 1 x 1 30.00 1.50 1.00 45.00 Cum Random Rubble Stone Masonry laid in1:6 1 x 1 30.00 1.77 7.00 371.00 Cum

क्षतिग्रस्त दीवार -4 1x3NxL=7.00, X H=4.00 Excavation CC 1:4:8 Random Rubble Stone Masonry laid in Dry