FABRICATION SUPPLY AND ERECTION OF SNOW BRIDGES AT MSP-02,05,06,11 ON ARSP HIMACHAL PRADESH

Amount

Carrying out detailed 3D laser Survey, Geotechnical Investigation and Testing, Geological studies and mapping of joints, Analysis of data received from tests of identified steep slope locations and snow inputs as received from Snow and Avalanche Study Establishment, propose suitable mitigation measures for Avalanche mitigation and approval of proposed measures from Indian Institute of technology etc. complete and as directed by Engineer - in - Charge.

For all MSPs as per tender specification including item 1 above

Providing and Installation of flexible snow umbrella barrier units made of cross-shaped frame structure of height 3.25m (minimum) x 3.60m (minimum) of metallic beams in steel grade E275 or above connected to steel tubular tie by flexible universal ball joint system having breaking load greater than 300 kN having 4 no.s of steel wire ropes connected to front beams and tubular tie and having front facing steel wire rope panel made of 08 mm diameter of mesh size 300 mm x 300mm with steel wire double knot connection at joint and mechanically woven double twisted hexagonal shaped Zn coated wire mesh panel attached to the cross shaped frame and as per technical specifications and as directed by Engineer - In - Charge.

Providing and Installation of flexible snow umbrella barrier units made of cross-shaped frame structure of height 3.25m (minimum) x 3.60m (minimum) of metallic beams in steel grade E275 or above connected to steel tubular tie by flexible universal ball joint system having breaking load greater than 300 kN having 8 no.s of steel wire ropes connected to front beams and tubular tie and having front facing steel wire rope panel made of 8mm diameter of mesh size 300 mm x 300mm with steel wire double knot connection at joint and mechanically woven double twisted hexagonal shaped Zn coated wire mesh panel attached to the cross shaped frame and as per tender specification and directed by Engineer - In - Charge.

Providing and Installation of flexible snow umbrella barrier units made of cross-shaped frame structure of height 3.75m (minimum) x 3.10m (minimum) of metallic beams in steel grade E275 or above connected to steel tubular tie by flexible universal ball joint system having breaking load greater than 300 kN having 4 no.s of steel wire ropes connected to front beams and tubular tie and having front facing steel wire rope panel made of 8mm diameter of mesh size 300 mm x 300mm with steel wire double knot connection at joint and mechanically woven double twisted hexagonal shaped Zn coated wire mesh panel attached to the cross shaped frame and as per technical specifications and as directed by Engineer - In - Charge.

Providing and Installation of flexible snow umbrella barrier units made of cross-shaped frame structure of height 3.75m (minimum) x 3.10m (minimum) of metallic beams in steel grade E275 or above connected to steel tubular tie by flexible universal ball joint system having breaking load greater than 300 kN having 8 no.s of steel wire ropes connected to front beams and tubular tie and having front facing steel wire rope panel made of 8mm diameter of mesh size 300 mm x 300mm with steel wire double knot connection at joint and mechanically woven double twisted hexagonal shaped Zn coated wire mesh panel attached to the cross shaped frame and as per technical specifications and as directed by Engineer - In - Charge.

Providing and Installation of flexible snow umbrella barrier units made of cross-shaped frame structure of height 4.25m (minimum) x 3.40m (minimum) of metallic beams in steel grade E275 or above connected to steel tubular tie by flexible universal ball joint system having breaking load greater than 300 kN having 4 no.s of steel wire ropes connected to front beams and tubular tie and having front facing steel wire rope panel made of 8mm diameter of mesh size 300 mm x300mm with steel wire double knot connection at joint and mechanically woven double twisted hexagonal shaped Zn coated wire mesh panel attached to the cross shaped frame and as per technical specifications and as directed by Engineer - In - Charge.

Providing and Installation of flexible snow umbrella barrier units made of cross-shaped frame structure of height 4.25m (minimum) x 3.40m (minimum) of metallic beams in steel grade E275 or above connected to steel tubular tie by flexible universal ball joint system having breaking load greater than 300 kN having 8 no.s of steel wire ropes connected to front beams and tubular tie and having front facing steel wire rope panel made of 8mm diameter of mesh size 300 mm x 300mm with steel wire double knot connection at joint and mechanically woven double twisted hexagonal shaped Zn coated wire mesh panel attached to the cross shaped frame and as per technical specifications and as directed by Engineer - In - Charge.

Supply and Installation of Self Drilling Anchors / Continously anchors of 32 mm diameter, yield trength > 500 MPa, hexagonal/eye nut, washer plate if required, coupler for connecting bars,drill bit (in case of self drilling anchors) and full length grouting with admixture including all ancillary items for foundation anchoring and as per technical specifications etc. complete.

226 Nos having 5 mtr length each as per tender specification including item 1.08 above

208 Nos having 6 mtr length each as per tender specification including item 1.08 above

655 Nos having 7 mtr length each as per tender specification including item 1.08 above

56 Nos having 9 mtr length each as per tender specification including item 1.08 above

Excavation in Hard rock by wedging & chiselling or line drilling including dressing section to the required grade, and slopes for snow avalanche mitigation units and conveying the excavated materials below the hill and disposing off at suitable place with all lift and lead as directed by Engineer - in - Charge.

Scaling of loose rock including stacking of boulder at bottom of slope and disposal at dumping place within 500 mtr from bottom of slope as directed, including all material, labour, machinery, excetra complete and as directed by Engineer - In - Charge

Removal of vegetation, bushes, shrubs including stacking of useful material, disposing of material from hill slope within lead of 50 meter as directed by Engineer - In - Charge.

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