Annual maintenance contract for operation and maintenance of 3 Ton Per Day Nisargruna Biogas Plant behind Tapti building at Anushaktinagar, Mumbai

Amount

Operation: Removal of unwanted waste from wet garbage received from H&CM section and weighing the suitable wet garbage for daily processing to Biogas plants, loading on platform for fine seggregation,chopping & crushing the wet garbage and mixing of desired quantity of water & feeding into crusher units including satisfactory operation of all the machineries of Biogas plants(3 TPD) and handing over the unwanted garbage to H&CM section.Daily checking of healthiness of Biogas plant machineries, condition of digesters in respect of pH values, etc. and all other works as required for satisfactory operations of plants, as directed by Engineer- in- Charge. Note:- Quantity for 12 months =361days Note: 1.To run the plant as a minimum of 2 operators and 6 helpers are required on daily basis. 2.To avoid formation of cakes in digester tanks adequate manpower for stirring the material in primary/main digester tank shall be deployed.Removal of chockage from main digester tank shall be carried out as and when required.Shutdown for 1-2 days for removal of cakes should be done as required.

Preventive Maintenance: Monthly Preventive maintenance of Biogas plant's machines & equipments & daily attending of complaints all as per terms & conditions, scope of work & as per the clause no.1 mentioned in Annexure - I & as directed by EIC (Qty = 12 Months ).

Fresh Cowdung: Supply of good quality cowdung culture in all of the digester tanks. For pre digester =1500 kg and for slurry outlet tank =500 kg total 2000 kg 1 cyle consist of 2000 kg cowdung 4 cycle in a Annum total quantity for 12 months = 4 job

Painting: Painting plastered / concrete surfaces withtwo coats of exterior grade acrylic emulsionpaint of Apex ultima of M/s.Asian Paints of approved colour and shade over a coat ofapproved exterior grade primer of M/s. AsianPaints all as per manufacturer's recommendations and as per the approved sample including providing necessary scaffolding,cleaning the surface with water toremove all coating, dust, filling up cracks &crevices with approved putty, curing the surface etc. complete as per specifications and as directed by Engineer in Chargea) over sand faced cement plasterb) over RCC jalli (both sides of jally shall be measured for payment).

Welding and Fabrication: Fabrication, Supply and fixation of suitable metallic fixtures /M.S or S.S. . support or stand for plat equipments, NRV, repair / fabrication of base plate for compressor, feeding tables, pump set, covers for man hole, suction chambers & support for pipe lines etc by using all levels of steels stricture like MS or S.S. angles, channels, I- beam, MS flats, MS plate, chequered plate & Ms bar etc .with two coat of steel primer & one coated of synthetic Enamel paint of M/s Asian / Berger make & complete all as per required & directed by EIC.

Hiring of Hrda: Hiring of Hydra for lifting, & moving of digester tanks, dome and heavy pipes/specials etc. (to complete the job. NOTE: a) Hiring for 8 hrs will be considered as one job. b) If the breakdown is attended is less than 8 hrs than JCB shall be utilized for balance hrs as per instruction & directed by EIC with in Anushaktinagar.

Liquid Phynyl: Supply , Mixing and dosing (using) liquid Phenyl for cleaning the surface area of shreading machine and surrounding of work place area. Cleaning of shreading room, floor , mopping on daily basis .- Make : Tetra Fresh or equivalent approved make, as per following techanical specification packing type : - bottle Color : Green Clean Type : Multipurpose Ph value : 6 - 7 as per instruction & directed by EIC use 0.5 ltr per day so, for 12 months = 365days X 0.5 = 182.5 Litres.

Bleaching Powder: Supply, mixing and dosing ( using ) of Bleaching powder at Bio gas plant for sparing over dry and wet slug, surrounding outlet tank etc. In order to reduce the bad smell on daily basis. as per instruction & directed by EIC Uses 2 Kg per day so, for 12 months = 365days X 2 = 730 Kg.

REMOVING OF SLURRY (by Cleaning Machines): Cleaning of Biogas Slurry outlet tanks : - Removal of wet/dry slurry & disposal the same through BMC approved tankers. Tankers must be approved and register by BMC, CERTIFICATE should be submitted and approved by competent authority. After removing slurry from tank, clean the tank manually using portable water available for washing tank using Jet spray and de-watering the water from slurry tank. Slurry/ sludge should not dispose inside colony. As per direction and instruction of Engineer-In-Charge NOTE: 1. for 3 TPD Main Digester Tank volume wet garbage = 3000kg water =3000 ltr total weight = 6000 kg/ltr Retention process take 25 days i.e. 25 X 6000 = 150000 ltr means = 150 cubic meter 2. for 3 TPD Pri Digestr TAnk Volume Pri digester tank retention process 5 days i.e. = 7 X 6000 =42000 ltr means =42 cubic meter total volume = 150+42 = 192 cubic meter 10% cowdung of total volume =192000 X 10% =19200 kg as directed by EIC

Lahs Green India Pvt Ltd

AVI PLAST