(A Government Company) MANDAMARRI- AREA KK1 Incline
Total Page:16
File Type:pdf, Size:1020Kb
SINGARENI COLLIERIES COMPANY LIMITED (A Government Company) MANDAMARRI- AREA K.K.1 Incline HALF YEARLY COMPLIANCE REPORT OF ENVIRONMENTAL CLEARANCE CONDITIONS UP TO 30th SEPTEMBER, 2013 A. SALIENT FEATURES OF THE PROJECT: 1 Name of the Project : KALYAN KHANI – 1 (KK-1) Incline Underground Coal mine. 2 Organization : The Singareni Collieries Company Limited 3 Coalfield : Godavari Valley Coal Field 4 Type of Mine : Underground 5 Technology : Board & Pillar with SDL's 6 Environmental Clearance : A Letter No & date : J-11015/383/2007-IA.II (M), GoI, MoEF, Dated:27 -10 - 2008 B Sanction capacity : Normative: 0.30 MTPA Peak: 0.50 MTPA C Mining Lease Area : 424.49 Ha D Date of Public Hearing : 13-02-2008 7 Location of the Project A Village : Mandamarri B Tehasil : Revenue Mandal of Mandamarri C District : Adilabad D State : Andhra Pradesh E Latitude : NORTH: 18 0 58 ’ 59’’ TO 19 0 00 ’ 00’’ F Longitude : EAST: 79 0 28’ 23’’ TO 79 0 29’ 10’’ G Topo Sheet : 56M/8 H Nearest railway station : Mandamarri I Nearest Airport : Hyderabad J Nearest town : Mandamarri 8 Address for Correspondence : A Name : J. KUMARASWAMY B Designation : AGENT C Address THE AGENT,KK GROUP; THE SCCo. LTD., D Pin Code : 504 231 F E-mail ID : [email protected] G Telephone No. : 08736 -256633 H Fax No. : 08736-257033 9 Life of the Project A Date of Opening : 12-02-1956 B Total Life of the project as : 16 Years per EMP C Balance Life : 8 ½ Years 10 Seams : A Total Seams Present : IB, IA, I, IIB, IIA, II, III & IV B Seams being worked : III & IV 11 Depth A Minimum Depth (m) : 31 m B Maximum Depth (m) : 364 m C Present working depth (m) : 240 m 1 12 Reserves A Total Geological Reserves : 29.509 MT B Total Extractable Reserves : 12.120 MT C Reserves already Extracted : 8.187 MT D Balance Reserves : 3.933 MT E Coal production during last : 0.097MT six months 13 Land Requirement A Total Requirement (Mine Take 424.49 ha Area) B Forest land Involved 237.01 ha C Non-forestland 124.18 ha D Land acquired so far 63.30 ha (Surface rights) 14 Statutory Clearances A Ground Water Clearance : Lr.No.441/T/2007, Dated:25.10.2007 B Consent for Establishment : C Consent for Operation : APPCB/RCP/ADB/102/KK-1/HO/CFO/2012/3298, Dated: 23 -10 -2012 and valid up to 30.09.2014. D Forest Clearance : 8-5/88-FC, Dated: September 15 th ,1999 E Minin g Lease : Procgs.No.1538/M/2003, Dated: 13 -08 -2003 F Others (Specify) : 15 R & R Involved : No R&R is involved in the project 2 Part – 1: Status of Implementation of MoEF conditions as on 30-09-2013 Sl. Special Condition Compliance Status No. i) Mining shall not be carried in forest land Forestry clearance under the provisions of for which forestry clearance has not FC Act, 1980 accorded for the forestland been obtained under the provisions of involved North Godavari mining lease vide FC Act, 1980. MoEF lr.no . 8-5/88-FC, dated 15.09.1999 for underground mining activities. ii) Sufficient coal pillars shall be left un- The Air shaft is located from surface to 12 extracted around the Air shaft (Within level of 4 seam and its dia and depth of the subsidence influence area) to protect sinking is 5.5 and 40 m respectively. 60 from any damage from subsidence, if meters of barrier from the centre of the any. shaft all along the perimeter of the shaft is left as un-extracted. iii) Solid barriers shall be left below the A WBM road of 1.75 KM length leading to roads falling within the blocks to avoid Jangupalli village over the mine take area any damage to the roads. and 40 meters of safety solid barrier is left against the road. iv) Depression due to subsidence resulting There is no subsidence is observed in the in water accumulating within low lying present working Panels 38T & 38B of areas shall be filled up or drained out by No .3&4 seams where depillaring is in cutting drains. progress at a depth of 146 m and also there is no accumulation of water is observed. Accumulation of water if any, due precautions will be taken as per stipulated condition. v) While extracting the panels in the lower Complied the condition. seam, all the water bodies in the subsidence area shall be drained. Dewatering of upper seam (3-seam) is Dewatering of old goaves of the upper done while working in lower seam (4– seams shall be continued as long as the seam). There is no subsidence found in lower seam is worked to prevent the the present workings in 3 & 4 seams. accumulation of large water bodies over Besides the given stipulations, further more working area. precautions have been taken as mentioned in the provisions of Regulation 126 &127 of CMR 1957 and also the permission given by the DGMS to the panel no 38T &38Bof 3&4 seams vide letter no:HR-2(SCZ)/ PERM /2012/419-21, Dated 07-02-2012 3 vi Regular monitoring of Subsidence survey is being carried out during extraction of subsidence movement on the caving panel once in every month and after completion the surface over and of the extraction, once in every 6 months (till the movement around the working area ceases completely). The system of frequency and recording and impact on natural of observations is as per the provisions of DGMS Technical drainage pattern, water circular No. 4 of 1988. The depressions/Cracks were bodies, vegetation, effectively plugged with red earth from nearby areas and structure, roads and plantation is being raised after stabilization. surroundings should be continued till movement There is no subsidence movement observed in present ceases completely. In working panel i.e., 38T&38B panel of 3&4 seams. The case of observation of details of panel is as follow: any high rate of 1 Date of subsidence occurred: Nil subsidence movement, 1 Size of the panel: 140m( b)X244m(l) appropriate effective 2 Area of extraction as on 19200 m2 corrective measures 30/09/2013: should be taken to avoid 3 Total area of the panel: 34000 m2 the loss of life and 4 depth from surface: 132 m material. Cracks should 3-seam: be effectively plugged 5 depth from surface: 146 m with ballast and clay soil/ 4-seam: suitable material. 6 Height of extraction: 2.6 m 3-seam: 4 - seam 3.6 m As per subsidence prediction report, the anticipated max subsidence is: 0.01 m (NIRM formula) Actual observed: Nil Since inception of the mine so far the maximum subsidence observed is 2.40m in Panel No. R of No. 3 & 4 Seams and the details are as follow 1 Date of subsidence occurred: 14-12-2000 1 Size of the panel: 220 (l)m X 139(w) m 2 Area of extraction: 18959 Sq.m 3 Total area of the panel: 30580 Sq.m 4 depth from surface: 44.3 m 3-seam: 5 depth from surface: 57 m 4-seam: 6 Height of extraction: 2.90 m 3-seam: 4 - seam 3.50 m 7 Total subsidence area 2.40 ha 8 Max Crack width observed m 0.60 m 9 Max subsidence observed so far 2.40 m Course of Action taken: All micro level cracks including the original subsidence were dozed of effectively with tractor dozer and filled with red earth for compact sealing. Presently the area is raised with plantation. 4 Sl. Special Condition Compliance Status No. vii) Garland/surface drains (size gradient The pit entries such as airshaft and main incline and and length) around the safety areas man way dip was designed minimum 3 m above the such as mine shaft and low lying areas HFL of the area. The sumps are designed keeping the and sump capacity should be designed highest seepage calculations and retention time to keeping 50% safety margin over an settle the silt material. Adequate numbers of the above the peak sudden rainfall and pumps were already provided to pump out mine water maximum discharge in the area during peak rainfall. 240 hp pumps (3 no) and 190 hp adjoining the mine sites. Sump (1 no) working to cater the needs of adequate capacity should also provide adequate retention capacity of make up of water. The details of retention period to allow proper settling the sumps are as follow: of silt material. Sufficient number of Location of Calculations of Actual pumps of adequate capacity shall be sump 4Seam sump cap KL Capacity in deployed to pump out mine water Kilo liter during peak rainfall. 1 3 Dip/16 L 685.26 1458 2 12dip/38 level 1192.32 2592 3 14 dip/54 level 1114.56 2592 4 24Clevel/7 dip 874.80 1944 viii) Crushers at the CHP should be There is no CHP especially for this mine. However, operated with high efficiency bag mobile water sprinklers are being used for sprinkling filters, water sprinkling system should on unpaved roads. Coal transportation roads and be provided to check fugitive permanent internal roads were black topped. Besides emissions from crushing operations, the above, mist spray system is effectively working to conveyor system, haulage roads, and suppress the fugitive dust at CHP. In addition to the transfer points, etc. above all internal roads and coal transporting roads in mine premises are effectively made water sprinkling and thus suppressing the fugitive dust. ix) Drills should be wet operated.