Work of construction of protective structure by gabion wall on the railway line side of the storm water storage and recharge tank site proposed in Transport Nagar Scheme.

REINFORCED SOIL SYSTEM

Supplying and installation of Gabion facia units with 3m integrated tail as secondary reinforcement, made of Mechanically Woven Double Twisted Hexagonal Shaped Wire Mesh complying with specifications & testing procedures as per IS 16014:2024 , Mesh Type 10x12, 90% Zn +10% Al + High abrasion resistant Polymer coated wire. Mesh Wire dia. 2.7/3.7mm (ID/OD), mechanically edged / selvedged, having D=100mm with partitions at 1m interval and shall have minimum 10 numbers of mesh openings per meter of mesh perpendicular to twist, tying with lacing wire of dia 2.2/3.2 mm (ID/OD), supplied @ 3% by weight of facia unit, including filling with stones 150- 250 mm in size conforming to working life >120 years in C3 (Medium Aggressive) site environment level (in accordance with ISO 9223, Table 1).Polymer-coated wire mesh should qualify the requirements of dry abrasion cycle as per IS 16014 :2024 and wet abrasion as per ISO 22182 with minimum 80,000 cycles with resulting weight loss less than 2%, validated through test reports,including valid outwearing accelerated ageing in neutral salt spray (ISO 9227) after 25,000 hours of exposure with less than 5% DBR. (Make: Maccaferri or Equivalent)Schedule of Rates (SOR) Rate Analysis

Supplying and installation of polyester needle punched non-woven geotextile for placing behind the Gabions and Gabion facia units as per MoRTH 700 Type-III geotextile, The width of geotextile roll shall not be less than 4.5m Schedule of Rates (SOR) Filter media - Ministry of Jal Shakti SOR for Item No TTS103

Supply & Installation of Drainage composite for use behind walls having three-dimensional composite with thermobonding a draining core having “W” configuration of minimum thickness 8mm, with two filtering uv stabilized polypropylene non-woven geotextile of minimum thickness of 0.75mm characteristic opening size (O90) of 110 micron and tensile strength of 8.0 kN/m that will be working as separation or protecting layer. Geocomposite having in plane flow capacity of 1.2 L / (m.s) at hydraulic gradient of 1.0 & 200 kpa pressure and tensile strength of 18 kn/m, with mass per unit area of 740 GSM, at easily accessible location including top and bottom, with all leads and lifts, manpower and machinery, materials, labour etc. complete as per detailed technical specifications and as directed by Engineer - In - Charge. Schedule of Rates (SOR) CPWD DSR 2023 Item No 26.16

Providing and laying of BBA certified high strength uniaxial Geogrids with low creep characteristics consisting of polyester (PET) & having a high quality outer protective coating of low density polyethylene (LDPE or equivalent, Latex or geo-textile or any other low quality coating shall not be permitted) as a primary reinforcement for reinforced soil structures.Selection of geo-grid shall be strictly based on secant modulus values for a design life of 120 years at 20°. Complete as per detailed technical specifications, at easily accessible location/store maintained by contractor including top and bottom, with all leads and lifts, manpower and machinery, materials, labour etc. and as directed by Engineer - In - Charge.Schedule of Rates (SOR) CPWD DSR 2023 Item No 26.18.3

APRON & SLOPE PROTECTION MEASURE Supply and installation of Gabion/ Revet mattresses having thickness of 0.3 m made of mechanically woven, double twisted, hexagonal shaped wire mesh, Mesh type 6x8, with integrated double partition & prefabricated vertical - Ties, fixed with C rings, 90% Zn +10% Al + High abrasion resistant Polymer coated wire, with punch strength of 22kN & tensile strength of 38kN/m,conforming to working life >120 years in C3 (Medium Aggressive) site environment level (in accordance with ISO 9223, Table 1). The permissible tractive shear force values shall be based on third party testing as per ASTM D6460 test methodology. For 0.30m thick mattress, permissible shear stress shall be 637N/mm2. Polymer-coated wire mesh should qualify the requirements of dry abrasion cycle as per IS 16014 :2024 and wet abrasion as per ISO 22182 with minimum 80,000 cycles with resulting weight loss less than 2%, validated through test reports,including valid outwearing accelerated ageing in neutral salt spray (ISO 9227) after 25,000 hours of exposure with less than 5% DBR. (Make: Maccaferri or Equivalent)Schedule of Rates (SOR)-Rate Analysis

Supplying and installation of polypropylene needle punched non-woven geotextile as filter media below Gabion Mattress, as per MoRTH 700 Type-I Geotextile. The width of geotextile roll shall not be less than 4.5 m. (Make: Maccaferri or Equivalent)Schedule of Rates (SOR) Ministry of jal shakti SOR

NAILED GABIONS WALL Supplying and installation of Gabion units, as per MoRTH Clause 2500, made of Mechanically Woven Double Twisted Hexagonal Shaped Wire Mesh complying with specifications & testing procedures as per IS 16014:2024, Mesh Type 10 x12,90% Zn +10% Al + High abrasion resistant Polymer coated wire. Mesh Wire dia. 2.7/3.7mm (ID/OD), mechanically edged / selvedged, with punch strength of 22 kN & tensile strength of 38kN/m, having partitions at 1m interval and shall have minimum 10 numbers of mesh openings per meter of mesh perpendicular to twist, tying with lacing wire of dia 2.2/3.2 mm (ID/OD), supplied @ 3% by weight of gabion unit, including filling with stones 150- 250 mm in size, conforming to working life >120 years in C3 (Medium Aggressive) site environment level (in accordance with ISO 9223, Table 1).Polymer-coated wire mesh should qualify the requirements of dry abrasion cycle as per IS 16014 :2024 and wet abrasion as per ISO 22182 with minimum 80,000 cycles with resulting weight loss less than 2%, validated through test reports,including valid outwearing accelerated ageing in neutral salt spray (ISO 9227) after 25,000 hours of exposure with less than 5% DBR. (Make: Maccaferri or Equivalent) Schedule of Rates (SOR) Rate Analysis

Supplying and installation of polyester needle punched non-woven geotextile as filter media for placing behind the Gabions and Gabion facia units as per MoRTH 700 Type-III geotextile, The width of geotextile roll shall not be less than 4.5m (Make: Maccaferri or Equivalent) Schedule of Rates (SOR) Filter media - Ministry of Jal Shakti SOR for Item No TTS103

Supply and installation of Self Drilling Anchors (32mm dia., yield load>230kN) with attached sacrificial drill bit, nut, washer plate 200 x 200 x 10 mmm size, coupler for connecting bars, with suitable corrosion protection coating for bar and accessories and full length grouting with admixture including all ancillary works for soil nailing/top/bottom/surface anchoring including all ancillary material, machinery, Labour etc. as per detailed technical specifications and as per Engineer - In - Charge. (Make: Maccaferri or Equivalent)- Schedule of Rates (SOR) CMR