Crossing Dyke of Trunk Panel T 6 along minus 1L minus 2L minus 2AL minus 2BL and minus 2CL in RV Seam at MIC Unit of Jhanjra Project Colliery

Job Description

Drivage done of Jhama with electric & pneumatic drill, dressing of roof & sides, Cleaning of blasted debris & disposal/stacking up to 15m Thickness of the Dyke = 5m (expected) For 01 no heading = 1.0m Jhanma at starting of Dyke & 1.0 m at finish of Dyke (proposed) = 02m For 5 nos heading = 2 x 5 = 10m Total Volume = 10x 6.0x 3.5 = 210.00 cum

Drivage done of Dyke with electric & pneumatic drill, dressing of roof & sides, Cleaning of blasted debris & disposal/stacking up to 15m For 1 no Dyke, Thickness of the Dyke = 3m (proposed) For 5 nos heading = 3 x 5 = 15m Total Volume = 15x 6.0x 3.5 = 315.00 cum

Roof Bolting / side Bolting, Wstrap, Wire netting, girder etc may be use for supporting if & when required including carrying of materials, Drilling, Grouting & Tightening of B/plates etc. (Including cost of drill rod & drill bits) = 25/1.2 = 21 rows x 5 no/mtr = 105 nos + 15(Side bolting) = 120 nos

Transporting of Electrical Equipment, drill panel, fan, circuit breaker etc = 18 man power ( UG Unskilled)

Average lead upto 30m for only Stone debris, Volume in loose =( 210 + 315) cum x 1.3 = 682.50/1.15 = 594Tubs

Total impact of GST for the purpose of CTC

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