Augmentation of Sewerage Scheme Mandi Town and Providing sewerage facility to adjoining villages of Mandi Town in Distt Mandi HP

Amount

Excavation in foundation, trenching in earth work, in all kinds of soils such as kankar, murram, conglomerate and decomposed or loose soil by pick, jumper work, saturated soil including balling or pumping out eater, blasting in soft or hard rock or by chiseling where blasting is prohibited, in all leads and lifts including trimming and dressing of sides, levelling of bed including shoring, strutting, plankings, timbering and dewatering wherever required and then stacking the excavated soil not more than 3 meters clear from the edge of excavation and then returning the stacked soil in 15 cms layers, when required in to plinths, sides of foundations etc. consolidating each deposited layers by ramming and watering and then disposing off all surplus excavated earth in all leads and lifts complete as per directions of Engineer-in-charge.

Providing and laying cement concrete 1:6:12 (1 cement:6 sand: 12 crushed stone aggregate 40 mm nominal size) and curing complete excluding the cost of form work in foundation and plinth including all leads and lifts complete as per the direction of the Engineer-in- charge.

Providing form work with steel plates 3.15 mm thick welded with angle iron in frames 30x30x5 mm, so as to give a fair finish including centering ,shuttering, propping etc.with wooden battens and ballies, height of propping and centering below supporting floor to ceiling not exceeding 4 meters and removal of the same for-in-situ reinforced concrete and plain concrete work including all leads and lifts in:-

Vertical surfaces such as walls (any thickness) partitions and the like including attached pillaster, buttresses, plinth and string courses and the like in all leads and lifts.

Providing and laying cement concrete 1:2:4 (1cement :2 sand :4 graded stone aggregate 20mm nominal size) and curing complete excluding cost of form work and reinforcement for reinforced concrete work including all leads and lifts in:-

In vertical walls including attached buttresses pilasters and their caps and bases and string courses etc. up to floor two level.

Providing tor steel reinforcement for RCC work including bending ,binding and placing in position compete upto floor two level in all leads and lifts complete as per the direction of Engineer-in-charge .

Upgradation and capacity enhancement of existing 3.83 MLD STP at Rahunath-ka-Padhar Mandi, presently working on extended aeration technology, to 9.08 MLD, by way of retrofitting the existing infrastructure and construction of new STP based on MBBR tehnology followed by tertiary treatment including design, costruction, site development, hydraulic testing, commissioning and giving satisfactory trials. The work shall include construction of all necessary civil structures (with use of existing units) like R.C.C. inlet chambers, coarse screen channel(mechanical), Grit chambers, Intermediate sewage holding chambers, Equalization tanks, anoxic tanks, tube settlers, DWPE dosing tank, DMF and chlorination cum chlorine tonner house etc. including all primary and secondary treatment units, electrical, instrumentation and mechanical works in limited identified iand space as per the requirement of designed CPHEEO norms, relevant IS codes etc. with use of existing units & necessary piping work with required valves, gates, drains, internal roads, path ways, compound wall, tools and plants, treated effluent arrangements complete as turn key job with all requisit civil, electrical. instrumentation and mechanical works as per detailed specifications for civil, electrical, instrumentation and mechanical components complete to achieve latest CPCB/ HPPCB/ CPHEEO discharge standards BOD< 10 ppm, TSS<10 ppm, biological TN<10 ppm, and PO4< 2 ppm, to get the recyclable quality of water for industrial/ agricultrual purposes. The coagulant system shall be provided as an optional/ backup. Disinfection system by gaseous chlorination, sludge dewatering system by centrifuge and sludge composting system shall be provided. All STP units shall be interconnected. All units shall be provided with suitable R.C.C. overhead walkways at the STP component as per scope and confirming norms as mentioned above. The plant should be partially automated. The technical bid document shall be as per volume II of tender document.

Upgradation and capacity enhancement of existing 0.47 MLD STP at Khaliar Mandi presently working on extended aeration technology to 1.50 MLD, by way of retrofitting the existing infrastructure and construction of new STP based on MBBR tehnology followed by tertiary treatment including Designin, costruction, site development, hydraulic testing, commissioning and giving satisfactory trials. The work shall include construction of all necessary civil structures (with use of existing units) like R.C.C. inlet chambers, coarse screen channe (mechanical), Grit chambers, Intermediate sewage holding chambers, Equalization tanks, anoxic tanks, tube settlers, DWPE dosing tank, DMF and chlorination cum chlorine tonner house etc. including all pimary and secondary treatment units, electrical, instrumentation and mechanical works in limited identified iand spaceas per the requirement of designed CPHEEO norms relevant IS codes etc. with use of existing units & necessary piping work with required valves, gates, drains, internal roads, path ways, compound wall tools and plants, treated effluent arrangements complete as turn key job with all requisit civil, electrical. instrumentation and mechanical works as per detailed specifications for civil, electrical, instrumentation and mechanical components complete to achieve latest CPCB/ HPPCB/ CPHEEO discharge standards BOD< 10 ppm, TSS<10 ppm, TN<10 ppm, and PO4< 2 ppm, to get the recyclable quality of water for industrial/ agricultrual purposes. The coagulant system shall be provided as anoptional/ backup. Disinfection system by gaseous chlorination, sludge dewatering system by centrifuge and sludge composting system shall be provided. All STP units shall be interconnected. All units shall be provided with suitable R.C.C. overhead walkways at the STP component as per scope and confirming norms as mentioned above. The plant should be partially automated. The technical bid document shall be as per volume II of tender document.

Providing, installation and commissioning of Laboratory Equipments of approved makes for testing of influent/ effluent and intermediate process quality parameters as per latest BIS soecifications of STP. The detail scope of work has been given in Technical Data Sheet No. 3

Operation and maintenance of both STPs i.e. 9.08 MLD STP at Rahunath-ka-Padhar and 1.50 MLD STP at Khaliar, Mandi, including all STP components including civil, electrical, mechanical, instrumentation, DG set including fuel, lighting arrangements, waste water testing laboratory, land scaping, gardening, and all incellary works or a period of five years after sucessful trial run of three months after commissioning of STPs). The O&M shall include cost of minimum labour defined under operating procedure, cost of chemicals, repair of civil structures, mechanicals, electricals and instrumentation equipments. The effluent statdards laid down by the statutary bodies shall be strictly followed , failing which panelitie as specified in general terms and conditions shall be levied.

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Hydrotech Paryavaran India Pvt. Ltd.

LEGEND INDIA ENVIRONMENT PROTECTION PRIVATE LIMITED

CIVIL TECH CONSULTANT