RUNWAY REHABILITATION SCHEME (RRS) WORKS UNDER AGE BR-I OF GE (AF) LOHEGAON AT 2 WING AFS PUNE

Earth work in excavation by mechnical means (Hydralic excavator) over areas (exc 30cm in depth ,1.5 m in width as well as 10 sqm on plan) including getting out in manjare rock/ordinary rock/undulated bitumen portion and disposal of excavated earth lead upto 50 m and lift upto 3.5m, complete all as specified and as directed by Engr-in-charge.

Returning ,filling in,including spreading,levelling,watering and well ramming in layers not exc 25 cm in hard/dense soil , complete all as specified and as directed by Engr-in-charge.

Removing excavated material of any description to a distance exc 1km and n exc 1.5km and depositing where as directed, complete all as specified and as directed by Engr-in-charge.

M&L for laying and compacting 200 mm thick (compacted thickness) Granular sub base course (GSB) grading as per Grade I as specified in Table 400-1 of MoRTH specification for road and bridge works,2013,in a single layer of compacted subgrade with natural sand ,crushed gravel,crushed stone,crushed slag or combination thereof as per the grading required .The material are mechanically mixed ,spread and levelling on the subgrade by using motor grader of adequate capacity and rolling with vibratory roller of capacity 80-100 KN static weight for achieving required compaction density of atleast 98% of maximum dry density.Consolidating to required gradient and camber ,complete all as specified and as directed by Engr-in-charge.(Note : following Aggregate size and there proportion shall be used (i) 50%- 65 mm aggregate size & (ii) 50% - 40 mm aggregate size)

M&L for laying and compacting 200 mm thick (compacted thickness) Wet mix Macadum (WMM) in Two layers of 75 mm (compacted thickness) each and one layer of 50 mm (compacted thickness) grading as per Grade I as specified in Table 400-13 of MoRTH specification for road and bridge works,2013, manafactured in WMM plant, material comprising of clan ,crushed graded aggregate and granular material premixed water to dense mass,spreading with sensor paver and rolling with vibratory roller of capacity 80-100 KN static weight for achieving required compaction density of atleast 98% of maximum dry density.Consolidating to required gradient and camber ,complete all as specified and as directed by Engr-in-charge.The finished surface tolerence shall be as per Table 900-1 of MoRTH specification for road and bridge works,2013 (Note : following Aggregate size and there proportion shall be used (i) 50%- 25 mm aggregate size & (ii) 40% - 10 mm aggregate size & (iii) 10 % -stone dust)

M&L for applying evenly a tack coat of paving bitumen VG-10 @ 10 Kg per 10Sqm ,complete all as specified and as directed by Engr-in-charge.

M&L for bituminous premixed asphaltic dense concrete 150 mm thick (layed in layers of 50mm each) consolidated thickness with paving bitumen VG 30 @ 6% binder content by wt of total mix using paving bitumen laid with mechanical paver , rolled and consolidated to reqd camber complete all as specified and directed by Engr-in charge. Note for Srl Item No 1 to 7:- (a) Notice/Verbal order for the RRS practice will be issued by the GE in short notice and in urgent manner.The contractor will be ready to do RRS practice in any time upto the completion date of contract. (b) During RRS contractor has to do Crater repair in Runway/Taxi track/Dispersal according to the direction issued by GE/Engr-in-charge. (c) Rate in respect of services provided vide notes (a) & (b) cited above shall deemed to be included in quoted rate of contractor in the BOQ.Nothing extra shall be paid in this account.