RUNWAY REHABILITATION SCHEME UNDER GE (AF) AMBALA

M&L to carry out repair of the damaged runway/taxi track using the conventional runway rehabilitation system using (RAPIGROUT CEMENT) to restore pavement for aircraft operations as per the following methodology complete all as specified & directed by Engineer-in-charge:- ( Note:- Rapigrout Cement Bags will be issued by the department.) (i) Size of crater shall be of 4.00 to 5.00 mtr in dia and 1.5 to 2.00 mtr depth. (a) Excavation and preparation of required size crater as per site and removal soil/debris with the help of JCB/loader/excavator. (b) Dewatering (if required) and sealing the crater with the help of high pressure water pumps and suitable water proofing methods as per ground for further progressing the work. (c) Soil stabilization and filling up of the bottom portion of the crater with the stone boulders of maximum size 150mm upto appx 0.75 mtr depth in the layers not exceeding 150mm. (d) M&L for Laying and consolidating of 63<d<90mm upto depth of 250mm. (e) M&L for Laying and consolidating of 40<d<90mm upto depth of 150 mm. (f) M&L for laying 400 micron polythene sheet, over a layer of 60 mm thick sand cushion. (g) M&L for laying and consolidating of 20<d<63mm upto thickness of 300 mm and providing form work to sides 10 to 15 cm in height, for laying Rapigrout cement grouting. (h) supply and Laying/Pouring of Rapigrout cement grouting over the upper layer of crushed stone aggreagte will be carried out by Air Force Authorities/MES (ii)The assessed time schedule for above activities is as under :- (a) Assessment by administrative as well as executive team- 1 Hrs (b) Mobilization of resources, men, material and T&P (Parallel activity)- 1 to 2 Hrs (c) Repair of crater- 3.5 Hrs (d) Clearance of site- 0.5 Hrs (e )Total time envisaged to accomplish the tasks - 6 to 7 Hrs (iii) The rate quoted by bidder shall deemed to included for all activites stated here-in-above and no claim whatsoever shall be entertained on this account