job work job works for outsourcing of manning and operation services for stp of capacity 1750 kld at binnaguri mil stn under ge ( south ) binnaguri , outsourcing of maintenance and operation service of the sewege treatment plant installed at binnaguri of capacity 1750 kld-01 no and all associated connected accessories at binnaguri mil station to keep installation in functional condition in two shifts per day ( each shift 8 hrs from 0400 hrs to 1200 hrs and 1600hrs to 00 . 00 hrs ) maintenance of log sheets and other periodical , maintenance incl records complete all as specified and directed by the following manpower . manpower ( a ) one plant operator ( semi-skilled ) with one helper ( un-skilled ) in each shifts . total nos of shift = 02/per day . ( a ) the maintenance & operation mentioned above includes the following:- ( i ) operation of raw sewage pump , air blowers , air compressors , centriugal pumps , chemical dosing system control panel etc . ( ii ) removing of material arrested at bar screens . ( iii ) removing of oil floating at surface . ( iv ) change over from one pump to another as on requirement basis daily , to ensure smooth and trouble free operational as directed . ( v ) change over from one blower to another blower as on requirement daily , to ensure and smooth trouble free operational as directed . ( vi ) cleaning of air filter of blower regularly on requirement basis as directed . ( vii ) applying grease to all motors blowers periodically ( viii ) draining of sludge from plant reactors atleast once in a month as per requirement in lesser time to avoid chocking of air grid . ( ix ) removing of sludge from tube settler depending upon the actual load to ensure smooth operation all as directed . ( x ) maintaining of log books for records of operation of plants including cost of stationary . ( xi ) washing of tube media with low pressure jet of raw water as per requirement and as directed . ( xii ) draining of burnout lubricant oil and refilling appropriate lubricant oil in air blower after 2000-2500 hrs of operation as per manufacturer guidelines all as directed . ( xiii ) anything missed out above but is required to be periodically done as per manufacturer guidelines shall be done by the operators all as directed for efficient operation of stp . ( b ) the quoted rates shall be deemed to include for the following:-a ) maintain and clean the internal and external area of plantb ) maintain the safety and security measures of the plantc ) keep the installation neat and tidy , cleaning of vegetation , grouth and foliage on roof tops and invicinity of installation . d ) after working hours any complaint lodged by the users shall be rectified immediately with confirmation to concerned je/engr-in-charge . e ) all tools , eqpts and testing devices shall be proviced by the contractor all as directed . f ) disposal of treated sewage/sludge as directed by the engr-in-charge . note:- 1 . material/chemical required for stp in appropriate quantity i . e chlorine ( any form ) shall be issued by the department . ( c ) efficient treatment of the sewage water shall be ensured by the contractor all as directed and required characteristics of outlet treated sewage shall be as under:- ( i ) tds : <50 mg/ltr ( ii ) bod5 : < 30 mg/ltr ( iii ) ph : -6 . 0 to 9 . 0 ( iv ) residual chorine : >0 . 5 mg/ltr ( v ) do : -4 mg/ltr or more ( vi ) coliform count <1000 mpn/100 mlnote :- the service provided shall immediately inform the department without any defects developed in any machinery and submit servicable report on weekly basis to the department . installation should be handover in neat and clean state . , testing of treated water:- the treated water shall be got tested by the tenderer once in a month from reginal govt . lab / other approved lab . samples shalll be collected in the presence of engr-in-charge and test report shall be submitted to engr-in-charge in original for record purpose . if parameters of tested water are beyond the limits mentioned above or contractor failed to carryout the required test ( s ) the penal recovery at double the quoted rates of the contractor for the entire month shall be made from the contractor . one test in each month at period of 30 days . notes for item ser nos 1 and 2:- 1 . payment to all staff/emplotees for rendering services is to be made as per min wages act of central/state minimum wages whichever is higher through bank account of employees . 2 . at the time of submission of bill , proof in respect of payment made to the employees alongwith epf details is to be submitted . 3 . before commencement of work , list of all employees/staff is to be submitted to ge alongwith qualification/experience details and id proofs . 4 . duty roster and attendance register to be maintained . 5 . the test of treated water shall include measuring :- ( a ) tds ( b ) bod5 ( c ) ph ( d ) residual chlorine ( e ) do ( f ) coliform count .