| 1 | 1 | ITHAI BARRAGE | A | | |
|---|
| 2 | 2 | Repair & Protection in exposed condition with high performance cementitious repair mortar\n[Based on EN 1504-3-R4]\n | 5 | | |
|---|
| 3 | 3 | Surface preparation of old concrete by cleaning methods like compressed air/ high pressure water blast/ sand blast, chipping, wire brush or other means for laying of repair mortar as per technical specification including all stages and scaffolding etc. (Complete finished item with all leads and lifts). | 5.1 | 200 | m² |
|---|
| 4 | 4 | Providing and applying high performance cementitious mortar on exposed/ eroded concrete surface as per technical specification. Generally the thickness of the layer shall be kept 12.5mm. (Complete finished item with all leads and lifts). | 5.2 | 4750 | kg |
|---|
| 5 | 5 | Repair & Protection in exposed condition with epoxy grout for repair of cracks/ voids\n[Based on ASTM C881, Type-IV, Class-C]\n | 7 | | |
|---|
| 6 | 6 | Providing and applying two components epoxy grout for filling the cracks/ voids (less than 6mm) including providing necessary equipments for injection grouting, making grooves, drilling holes & fixing the injection nozzles, sealing the grooves with epoxy mortar and setting up the equipments for grouting, etc. complete in all respects as per technical specification | 7.1 | | |
|---|
| 7 | 7 | Surface preparation & making grooves | 7.1.1 | 50 | m |
|---|
| 8 | 8 | Providing & fixing nozzles into the grooves | 7.1.2 | 200 | No. |
|---|
| 9 | 9 | Providing and applying epoxy mortar for sealing grooves | 7.1.3 | 5 | kg |
|---|
| 10 | 10 | Providing and injecting two components epoxy grout | 7.1.4 | 200 | kg |
|---|
| 11 | 11 | Underwater survey, identification of damaged area, repair of cracks, honeycomb/damages in concrete surface by way of epoxy grouting and epoxy putty. | 7A | | |
|---|
| 12 | 12 | Carrying out underwater inspection and survey of submerged portion of the structure as per technical specification. | 7A.1 | 450 | m² |
|---|
| 13 | 13 | Providing and under water application of 3- components fillerised epoxy grout for filling the cracks/ voids by gravity method including surface preparation, etc. complete in all respects as per technical specification. | 7A.2 | 200 | kg |
|---|
| 14 | 14 | Providing and under water application of 2- components epoxy grout for filling the cracks/ voids (less than 5 mm) including providing necessary equipments for injection grouting, making grooves, drilling holes & fixing the injection nozzles, sealing the grooves with epoxy putty and setting up the equipments for grouting, etc. complete in all respects\nas per technical specification\n | 7A.3 | | |
|---|
| 15 | 15 | Surface preparation & making grooves | 7A.3.1 | 50 | m |
|---|
| 16 | 16 | Providing & fixing injection nozzles into the grooves along crack line and in honeycomb area including drilling of holes of required diameter, depth & spacing and making the hole & crack thoroughly cleaned | 7A.3.2 | 100 | No. |
|---|
| 17 | 17 | Supplying and applying epoxy putty for sealing grooves | 7A.3.3 | 5 | kg |
|---|
| 18 | 18 | Providing and underwater injection of two components epoxy grout | 7A.3.4 | 200 | kg |
|---|
| 19 | 19 | Providing and underwater application of epoxy putty for repair of eroded/ honeycombed areas, spalled concrete & other areas including cost of carriage and labour etc. as per technical specifications (Complete finished item with all leads & lifts). | 7A.4 | | |
|---|
| 20 | 20 | Surface preparation of old concrete by cleaning methods like compressed air/ high pressure water blast, chipping, wire brush or other means for laying of epoxy putty as per technical specification including all stages and scaffolding etc. complete.\n(Complete finished item with all leads and lifts).\n | 7A.4.1 | 150 | m² |
|---|
| 21 | 21 | Supplying and applying epoxy putty as per technical specification\n | 7A.4.2 | 1200 | kg |
|---|
