SPECIAL REPAIR WORK OF INTERNAL ROAD AT CFL ASC AT MIL STATION UNDER GE SATWARI

Amount

Repair to pot holes, exceeding 30mm depth, not exceeding 01 Sqm each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 25mm in depth, making good by filling in screened and graded road metal, watering and well ramming, and applying evenly a priming tack coat with bituminous primer (Viscosity Grade Paving Bitumen of Grade VG-30) at the rate of 5 Kg per 10 Sqm of surface, putting in & including premixed bituminous macadam, well rammed and sealed with binder 9.80 Kg/sqm, blinded with 0.09 cum of stone chippings, 6.3mm size and again well rammed, rolled and compacted to required camber and gradient to uniform smooth surfaces by mechanical paver and using with 8 to 12 tonne power roller (including supply of premixed macadam, binder and chippings), complete all as specified and as directed by Engr-in-Charge.

Preparing existing black top bituminous surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with mechanical air blower to remove all loose dirt/foreign materials and applying evenly a priming tack coat with bituminous primer (Paving Bitumen of Viscosity Grade VG-30) at the rate of 5 Kg per 10 Sqm of surface laying bituminous premix asphaltic semi dense concrete of 30 mm consolidated thickness with 5.5 % binder content of viscosity grade VG-30 by weight of total mix and 4% stone dust conforming to specification for filler as per IRC-95, 1987 (filler) prepared in hot mix plant, rolled and compacted to required camber and gradient to uniform smooth surfaces by mechanical paver and using 8 to 10 tonne power roller, complete all as specified and as directed by Engr-in-Charge. Note:-The minimum consolidated thickness will be 30mm. However it may be increased at places to maintain the camber as per the site requirement and nothing extra shall be admissible on this account. The contractor must visit the site before quoting their rates.

Premix bituminous macadam with broken stone graded aggregate with 4% of paving bitumen binder of viscosity grade VG-30 grade by weight of total mix (Consolidated thickness 75mm or less), laid / rolled and compacted to required gradient and camber using power roller 8 to 12 tonne, complete all as specified and as directed by Engr-in-Charge.

Note for item No. 2 to 3 : (a) Preparation of mix in hot mix plant, spreading by self propelling mechanical paver and rolling and compaction by set of rollers as specified in particular specifications shall be carried out. Hot mix plant may be installed at any distance but the contractor shall be responsible for maintaining the required temperature of mix under all conditions till it is laid and compacted. Unit rate against these items shall include for carrying out the works with deployment of these machinery for which nothing extra shall be payable and no delay in completion of work shall be acceptable on this account. (b) To achieve marshal stability of 1050 KN and all as per SSR Part-I Clause No. 20.B.4. (c) If qty of binder contents is less than the qty as specified in respective items of BOQ, it shall be adjusted at supply only rates of paving bitumen @ Rs 45.00 Per Kg and if qty of binder contents is more than the qty as specified in respective items of BOQ no adjustment shall be made.

Marking lines, dashes arrows etc of any description not exc 10cm width/girth and not less than 2.50 mm thickness on road surface using hot applied thermo plastic road marking paint mixed with radium glass beads @ 250 gms/Sqm with automatic machine to provide reflectivity and night vision (approximate temperature being 200° Celsius at the time of laying) including cleaning the surface by removing all dirt, dust & all other foreign matters, demarcation at site and traffic control,complete all as specified and as directed by Engr-in-Charge.

Demolition of cement concrete (un-reinforced) in ground floors and paving not exceeding 15cm thickness (below or above ground level) and including removal of demolished materials out of defence land (distance not exceeding 500 mtrs), complete all as specified and as directed by Engr-in-Charge.

Plain cement concrete 1:3:6 type C-2 using 40mm graded crushed stone aggregates as in foundation, filling and mass concrete, complete all as specified and as directed by Engr-in-Charge.

Plain cement concrete 1:2:4, type B-1 (using 20 mm graded crushed stone aggregates) as in PCC block for hold fast, steps, seismic and other similar bands, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, cills, lintels upto 1.50 metre clear span, copings etc. and in similar works including weathering, slightly rounded or chamfered angles and throating and necessary form works, complete all as specified and directed by Engr-in-Charge.

Providing and laying 60 mm thick factory made chamfered edge cement concrete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size /shape, made by table vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using platevibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand; complete all as specified and as directed by Engr-in-Charge.

Removal of excavated material at a distance not exceeding 50 m and depositing where directed at level not exc 1.5 m from starting point, complete all as specified and as directed by Engr-in-Charge.

Grabbing up vegatation, grass and surface dressing not exceeding 15 cm average depth as in side berms of road and like works in soft/loose soil, complete all as specified and as directed by Engr-in-Charge.

Sarbat Construction Co