REPAIR PREVENTIVE MAINT OF HT 11 KV VCBs RMUs AND CSS WITH ALLIED WORK UNDER GE (AF) JAMNAGAR NO 01

Preventive maintenance for indoor and outdoor type RMU (safe plus or safering type) including preventive maintenance activities and repairing the RMU during breakdown / emergency and routine testing all as specified here-in-after:- Note:- (A) Quoted rates shall be deemed to include for the following:- (i) Opening the top & bottom Cover and refixing the same on completion and Cleaning of all parts. (ii) Filling with Filler Material to the bottom of panel. (iii) Repairs to leakage on top of RMU ,if any (iv) Welding work Wherever Required. (v) Maintenance ,tests, reports etc (vi) Repairing the RMU during any breakdown /Emergency upto the period of completion of contract. (B) Minor Spare parts required shall be deemed to be included in the unit rate quoted against this item. The following scope of work shall be included under preventive maintenance :- (a) Condition monitoring as per the scope defined:- (i) Condition based & Predictive maintenance. (ii) Preventive maintenance. (iii) Breakdown maintenance. (iv) Overhauling, reconditioning & testing of existing equipment. (v) Failure analysis for major breakdown

The following scope of work shall be included under preventive maintenance :-

(a) Condition monitoring as per the scope defined:- (i) Condition based & Predictive maintenance. (ii) Preventive maintenance.(iii) Breakdown maintenance. (iv) Overhauling, reconditioning & testing of existing equipment. (v) Failure analysis for major breakdown

(b) Performance Health Check-up ;- (i) Checking of CB & Isolator mechanical & electrical operation Closing & tripping (ii) Checking of Breaker close & open operation. (iii) Mechanism Critical setting & adjustment shall be done. (iv) Lubrication of mechanical critical part of Circuit breaker. (v) Lubrication of spring charging mechanism. (vi) Operational Movement & alignment. (vii) Alignment of open cable doors. (viii) Physical healthiness of switches, indication lamp, auxiliary relay etc. (ix) Bus bar tightness, bus joint healthiness checks & contact resistance check.

(c) Routine Tests :- (i) Testing of protection relays. (ii) CB contact resistance, contact condition the pole. (iii) Interupter health check by HV test (iv) Calieration and testing of relays.

(d) Reports: All the reports shall be submitted by vendor of relay caliberation and servicing report of circuit breaker.

Failure reports of major failure-Which includes failure mechanism analysis & remedies Interpretation of condition monitoring data.

(v) Any other Spare parts required for Preventive maintenance, repairing the RMU during breakdown / emergency will be measured & paid separately as supply only as below. Make of spare part shall be as recommended by the OEM and as directed by Engineer-in-Charge & approval by GE. (vi) Unserviceable parts shall be property of contractor as per credit schedule.

Preventive maintenance for 100-500 KVA Compact substation (CSS) which includes general preventive maintenance activities and the repairing during breakdown / emergency visit and attend the complaints .Note:-(i) Preventive maintenance shall be carried out during contract period one time (ii) Contractor shall be responsible for repairing the CSS and connected items during any breakdown / emergency. (within contract period deemed included in the quoted rates) (iii) Routine testing shall be carried out during contract period. (iv) Contractor shall be responsible for refilling of gas required for CSS. (v) The quoted rate shall be inclusive of repairing works like welding / Hinges of CSS both door's. (vi) CSS of make ABB are installed at site. The spare part required for Preventive maintenance, repairing the CSS during breadown / emergency will be measured & paid separately as supply only, however the fixing change for the same is deemed to be included in the quoted rate for preventive maintenance (vii) Make of spare part shall be as recommended by the OEM and the same shall be used only after approval by the GE.(viii) Unserviceable parts shall be property of contractor as per credit schedule.

(ix) Preventive maintenance, repairing the CSS during breadown / emergency and routine testing shall be carried out through by the OEM complete all as specified and as directed. (x) The Contractor shall submit necessary documentary evidence to the Engineer-in-charge that Preventive maintenance, repairing the CSS during breadown / emergency and routine testing has been performed by the OEM. (xi) After Preventive maintenance, repairing the CSS during breadown / emergency CSS shall be tested as directed by the Engineer-in-charge and test result report in triplicate copy shall be submitted to Engineer-in-charge by the contractor and kept in record. A. The following scope of work shall be included under Preventive maintenance :- (i) Contractor shall be responsible for repairing the CSS during any breakdown / emergency.(ii) Preventive maintenance and routine testing as detailed above. (iii) Contractor shall also be responsible for refilling of gas required for CSS Lubrication of mechanical critical parts of circuit breaker shall be done. (iv) Lubrication of spring mechanism shall be carried out. (v) Checking the movement and interlocks of RMU with VCB & isolator. (vi) Checking of alignment of open cable doors. (vii) Physical healthiness of switches,indication lamp, aux relays.