South Eastern Coalfields Limited Tender

CIVIL WORKS: Construction of Raw sewage sump below ground to match with the invert level of incoming sewage line of clear volumetric capacity for pumping. Capacity-21 Cum.

MECHANICAL WORKS : Supply, Installation, Testing, Commissioning and Trial run of following mechanical equipments as per specifications given in the tender document. (i) Manual Coarse Screen -1 No. (ii) Raw Sewage Lifting Pump for Raw Sewage sump to Equalization tank of rating 22 KLD and 13 meter head - 3 Nos. (iii) Pump lifting arrangement - 1 lot. (iv) Piping, Valves and fittings as per design and requirement. - 1 lot.

ELECTRICAL/INSTRUMENTATION EQUIPMENTS : Supply, Installation, Testing, Commissioning and Trial run of MCC Panel components attached with STP Panel and cabling as per specifications given in the tender document. - 1 set.

SEWAGE TREATMENT PLANT (350 KLD)- The Scope of work includes Design, Construction, supply & Installation of Plant.

Process design, Hydraulic design and construction drawings.

CIVIL WORKS: All as per detailed specifications given in the tender document. (i) Construction of Plant Room of size 25.00 Sqm. - 1 No. (ii) Screen Chamber of capacity 1.00 cum - 2 nos. (iii) Grit Chamber of capacity 1.00 cum - 2 nos. (iv) Inlet cum equalization tank of capacity 88 cum - 1 No. (v) Aeration tank (SBR) of capacity 210 cum - 1 No. (vi) Disinfiction Tank of capacity 36 cum - 1No. (vii) Sludge sump of capacity 6 cum - 1 No. (viii) Miscellaneous civil works - 1 lot.

MECHANICAL WORKS : Supply, Installation, Testing, Commissioning and Trial run of following mechanical equipments as per specifications given in the tender document. (i) Manual Fine Screen. - 1 No. (ii) Mechanical Fine Screen. - 1 No. (iii) Sewage Transfer Pump from Equalization Tank to SBR Tank of capacity 29 Cum/hr and of 7 m head - 2 Nos. (iv) Decanter Mechanism with PLC controlled auto operation for 350 KLD- 1 No. (v) Twinlobe Air blower of rating 386 cum/hr and of head 5 m. - 2 Nos. (1w+1sb) (vi) Aeration grid to suit aeration tank (SBR Tank) made of stainless steel and of required size. -1 No. (vii) Non clog effluent application type diffuser of rating 6-12 cfm - 1 No. (viii) Sludge recycle cum sludge transfer pump, horizontal, centrifugal, monoblock selfpriming type of capacity 15 cum/hr and of head 6 m - 2 Nos. (1w+1sb) (ix) Filter feed pump, nonclog effluent application, horizontal,centrifugal of capacity 14.6cum/hr and of head 25m.- 2Nos. (1w+1sb) (x) Pressure sand filter (PSF) made of MS epoxy coated of diameter 1.20 m and height 1.50 m, thickness of shell 6 mm and thickness of dish end 8mm - 1 no. (xi) Activated carbon filter (ACF) made of MS epoxy coated of diameter 1.2 m and height 1.50 m, thickness of shell 6 mm and thickness of dish end 8mm - 1 no. (xii) Piping, Valves and fittings and transit sump as per design and requirement. - 1 lot. (xiii) Screw Press/Centrifuge - 1 set. (xiv) Mis. Mechanical Work - 1 Lot

ELECTRICAL/INSTRUMENTATION EQUIPMENTS : Supply, Installation, Testing, Commissioning and Trial run of :- (i) MCC Panel with all accessories for Auto ON/OFF control of entire STP as per specifications given in the tender document. - 1 set. (ii) PLC software (SCADA) to control the entire plant including all the pumps and blowers. All the limit switches, probes and control cabling are included in the scope of work. The automation system shall be inclusive of HMI, process and operator software with dynamic flow chart displayed on monitor compatible to upto date PC. (iii) Electrical cables from MCC panel to all electric motor and instruments. (iv) Earthing etc.

OPERATION AND MAINTENANCE COST FOR FOUR YEARS

Sewage Network : Survey, Designing, laying/construction of sewage network for carrying sewage/domestic effluent from the colony to STP on Turn-key basis. The scope of work includes providing, laying and jointing RCC pipes class NP-2/HDPE pipes of required diameters, construction of adequate shape,size and numbers of manhole, chambers, Inspection chambers in RCC/Brickwork, saddle supports, PCC bedding, wherever required including all other constructions, items and accessories for smooth carriage of sewage to STP. The item includes necessary excavations in all kinds of soil/rock, proper shoring and shuttering, refilling with sand/earth, watering, interconnecting the sewer line with manholes and inspection chambers, hydraulic testing of pipes, valves, gates,accessories and cost of jointing materials. The items also includes cutting and reinstatement of roads,pavements and drains etc., (Bituminous/Cement Concrete/Reinforced Cement Concrete) and other structures coming if any in the line of sewage net work., etc all complete job as per detailed specifications and as directed by EIC. (Approximate length of sewer line 8000 meter)

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