Conservation work of emergency repair to north west bastion no 3 phase I of purana Qila New Delhi

Material and Work

Removal of fallen Bastion no. 3 wall malba/debris of with the help of labours and stacking the material at suitable place lead 150 to 300 mtr. and which can be reuse etc complete.

Taking out old budged stone rubble masonry portion from top to bottom facing lake area with carefully and stacking of serviceable material and disposed of unserviceable material from site to dumping ground near Talaqi Gate from site to a lead of 300 mtr and lift upward upto 15 mtr.

Provision for grounting the cracks as per the existing structure for streathing and filing the gaps with Providing, drilling, fixing, injecting and removing of PVC nozzles upto 100 mm dia and at a 250mm c/c in grid pattern. 1. Drilling hole using drill machine for fixing PVC nozzles from the bottom of slab. 2. Cleaning the hole and fixing of PVC nozzles with lime mortar.(Lime mortar in client scope) 3. Injecting Mape-Antique I using pressure machine.(Cost of material not included) 4. Once the grouting is complete, cut the nozzles and reprofile the surface with lime mortar."

Supply and injecting Super Fluid, salt resistant, fillerized hydraulic binder based on lime and Eco- pozzolan for consolidating and strengthening Lime structures.

Application cost for all above processes will be (Item 3 & 4)

Taking out loose & buldged of north & south corner kangoora and fort wall portion very carefully without vibration and disturbing the other portion of bastion from site to a lead of 300 mtr and lift upward to downward 16 to 30 mtr.etc complete.

R R Masonry with lime mortar 1:1:1(1 lime:1 surkhi:1sand) with DQ stone and fix the header stone for fill the inside part of north & south corner kangoora and fort wall portion as per evidences with necessary for proper strenthing the structure .

Provision for consolidation of loose structure to spreading and filling the gaps of over hanginig stone & wall of Bastion no 3 with lime mortar 1: 1 : 1, (1 lime , 1 coarse sand , 1 surkhi mixed with 50% brick zira upto 10 mm including curing with in 500 mtrs lead & approx 26m hieght complete.

"Provision for fixing of heavy ashlar veneering masonry with hard stone / DQ stone as per evidences available on existing wall to prevent the further along by using available stones lying under the debris including supply of all material"