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| 1 | First year |
| 2 | Comprehensive maintenance of Desert Air coolers will be in two parts (General and Regular maintenance) |
| 3 | General maintenance: Cooler body, Internal & External painting with Enamel paint, number writing, Oiling & Greasing of fan motor, minor repairing of cooler tankincluding replacement of grass of good quality, Ball bearing, submersible pumps and other required small accessories i.e. power cable, front jali, piping, electrical switch (Gang box) etc. Size of kit/exhaust fan 12”/18”/20”. Tentative schedule of this work: January to March every year. |
| 4 | Regular maintenance: After general maintenance & installation of coolers a day to day cooler maintenance services will have to provided (as & when required) by skilled manpower. In the maintenance following will be included : Exhaust fan/ Kit fan rewinding, Replacement of cooler pump, water tank, wire/ socket/ cooler pipe and accessories & minor maintenance of water tank. The party will have to keep a stock of at least 5 nos. of exhaust fans at the work site to rectify any defect immediately. Tentative schedule of this work: April to September every year |
| 5 | Installation of cooler on outside platform of windows (or other place as required) of a flat/house upto 2nd storey alongwith removing & refixing of existing wiremesh (if any) on windows. Shifting charge of cooler from storage area to respective installation place will also be the part of this work item. Tentative schedule of this work: March to April every year. |
| 6 | Removing of cooler from outside platform of windows (or other place as required) of a flat/house upto 2nd storey alongwith removing & refixing of existing wiremesh (if any) on windows. Shifting charge of cooler from respective installation place tostorage area will also be the part of this work item.Tentative schedule of this work: October to November every year. |
| 7 | Replacement of Air cooler water tank: Size : (L x W x H): (660mm - 820mm) x (610mm x -730mm) x (180-440mm) of 22 Gauge G.I. Sheet.Note: This item will be utilized when repairing water tank under item no. 1 is not feasible. |
| 8 | Second year |
| 9 | Comprehensive maintenance of Desert Air coolers will be in two parts (General and Regular maintenance) |
| 10 | General maintenance: Cooler body, Internal & External painting with Enamel paint, number writing, Oiling & Greasing of fan motor, minor repairing of cooler tankincluding replacement of grass of good quality, Ball bearing, submersible pumps and other required small accessories i.e. power cable, front jali, piping, electrical switch (Gang box) etc. Size of kit/exhaust fan 12”/18”/20”. Tentative schedule of this work: January to March every year. |
| 11 | Regular maintenance: After general maintenance & installation of coolers a day to day cooler maintenance services will have to provided (as & when required) by skilled manpower. In the maintenance following will be included : Exhaust fan/ Kit fan rewinding, Replacement of cooler pump, water tank, wire/ socket/ cooler pipe and accessories & minor maintenance of water tank. The party will have to keep a stock of at least 5 nos. of exhaust fans at the work site to rectify any defect immediately. Tentative schedule of this work: April to September every year |
| 12 | Installation of cooler on outside platform of windows (or other place as required) of a flat/house upto 2nd storey alongwith removing & refixing of existing wiremesh (if any) on windows. Shifting charge of cooler from storage area to respective installation place will also be the part of this work item.Tentative schedule of this work: March to April every year. |
| 13 | Removing of cooler from outside platform of windows (or other place as required) of a flat/house upto 2nd storey alongwith removing & refixing of existing wiremesh (if any) on windows. Shifting charge of cooler from respective installation place tostorage area will also be the part of this work item. Tentative schedule of this work: October to November every year. |
| 14 | Replacement of Air cooler water tank: Size : (L x W x H): (660mm - 820mm) x (610mm x -730mm) x (180-440mm) of 22 Gauge G.I. Sheet. Note: This item will be utilized when repairing water tank under item no. 1 is not feasible. |
| 15 | Third year |
| 16 | Comprehensive maintenance of Desert Air coolers will be in two parts (General and Regular maintenance) |
| 17 | General maintenance: Cooler body, Internal & External painting with Enamel paint, number writing, Oiling & Greasing of fan motor, minor repairing of cooler tankincluding replacement of grass of good quality, Ball bearing, submersible pumps and other required small accessories i.e. power cable, front jali, piping, electrical switch (Gang box) etc. Size of kit/exhaust fan 12”/18”/20”. Tentative schedule of this work: January to March every year. |
| 18 | Regular maintenance: After general maintenance & installation of coolers a day to day cooler maintenance services will have to provided (as & when required) by skilled manpower. In the maintenance following will be included : Exhaust fan/ Kit fan rewinding, Replacement of cooler pump, water tank, wire/ socket/ cooler pipe and accessories & minor maintenance of water tank. The party will have to keep a stock of at least 5 nos. of exhaust fans at the work site to rectify any defect immediately. Tentative schedule of this work: April to September every year |
| 19 | Installation of cooler on outside platform of windows (or other place as required) of a flat/house upto 2nd storey alongwith removing & refixing of existing wiremesh (if any) on windows. Shifting charge of cooler from storage area to respective installation place will also be the part of this work item. Tentative schedule of this work: March to April every year. |
| 20 | Removing of cooler from outside platform of windows (or other place as required) of a flat/house upto 2nd storey alongwith removing & refixing of existing wiremesh (if any) on windows. Shifting charge of cooler from respective installation place tostorage area will also be the part of this work item. Tentative schedule of this work: October to November every year. |
| 21 | Replacement of Air cooler water tank: Size : (L x W x H): (660mm - 820mm) x (610mm x -730mm) x (180-440mm) of 22 Gauge G.I. Sheet. Note: This item will be utilized when repairing water tank under item no. 1 is not feasible. |
