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tunnel collapse | Vertical boring done up to 31 metres, rat-hole miners arrive for manual horizontal drilling

Pipes of 1.2 metres in diameter have to be laid vertically through the top of the tunnel on which work began on Sunday as a second option to reach the stranded labourers

Andhra pradeshGen harpal singhAjayk bhallaGen singhBorder roads organisationHome secretary ajayk bhallaUttarakhand chief secretaryss sandhuSingh negiTunnel collapse

Vertical boring done up to 31 metres, rat-hole miners arrive for manual horizontal drilling

Vertical boring done up to 31 metres, rat-hole miners arrive for manual horizontal drilling
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Andhra pradeshGen singhAjayk bhallaGen harpal singhRoads organisation lt gen harpal singhPrincipal secretaryHome secretary ajayk bhallaUttarakhand chief secretaryss sandhu

tunnel collapse | Manual drilling to start shortly, says NDMA on rescue operations at Silkyara tunnel

Broken parts of the auger machine have been removed from the rubble with the help of a plasma cutter flown in from Hyderabad

Syed ata hasnainAjayk bhallaNational disaster management authorityIndian armyDisaster management authorityMember lt genHome secretary ajayk bhallaUttarakhand chief secretaryss sandhuTunnel collapse

Uttarkashi tunnel collapse: Manual drilling to start shortly, says NDMA

Uttarkashi tunnel collapse: Manual drilling to start shortly, says NDMA
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Syed ata hasnainAjayk bhallaVishal chauhanNational disaster management authorityIndian armyMember lt genPress trustLieutenant generalHome secretary ajayk bhallaUttarakhand chief secretaryss sandhu

Manual drilling to start shortly, says NDMA on rescue operations at Silkyara tunnel

Manual horizontal digging will start soon in addition to the ongoing top-down drilling to rescue the 41 trapped workers in the Silkyara tunnel in Uttarkashi, NDMA said on Monday. Manual drilling was resorted to as the auger drill a corkscrew-like device with a rotary blade at the front end

Andhra pradeshAjayk bhallaSyed ata hasnainNational disaster management authorityMember lt genHome secretary ajayk bhallaUttarakhand chief secretaryss sandhuManual drilling to start shortlyAys ndma on rescue operations at silkyara tunnel