Name of Work:- Estimate of L/R 23 RB to 27 RB via 25 RB KM 0/0 to 6/0 under Risk & Cost Work
Sl. No.
Item Description
1
Patching WBM surfaces with stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 including cost of material,machiery & labour complete,Above 50 mm thick upto 75 mm thick
2
Repair to pot holes and removal of loose material, trimming of sides, cleaning of surface by providing tack coat, 20 mm thick pre-mix carpet and seal coat type B specification Clause 1904.2
3
Providing, laying, spreading and compacting stone aggregate having physical requirement as per table 400-8 and of specific sizes as per table 400-9 to Water Bound Macadam specification including spreading in uniform thickness, hand packing rolling with vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening and binding materials to fill up the interstices of coarse aggregates watering (with water browser) and rolling, making necessary earthen bund to protect edges, lighting, guarding, barricading and maintenance of diversion etc. [MoRTH specification : Clause 404 & 112 Grading- III (Using Screening Crushable type such as Moorum or Gravel) Using Screening Crushable type such as Moorum or Gravel
4
Providing and applying primer coat over prepared surface or granular base with bitumen emulsion SS-1 as per IS: 8887 & manufacturer’s specifications @ 6 kg /10 Sqm with a self propelled or towed bitumen pressure sprayer equipped for spraying the material uniformly at specified rates and temperatures as per MoRTH specification CI 502 & 112 (Including cleaning of road surface )
5
Providing and applying tack coat on the prepared surface, with bitumen emulsion RS-1 as per IS : 8887 & manufacturer’s specifications @ 2.0 kg /10sqm. With a self propelled or towed bitumen pressure sprayer equipped for spraying the material uniformly at specified rates and temperatures as per MoRTH specification Clause 503 & 112 ( Including cleaning of bituminous road surface )
6
Providing and laying open graded premix carpet 20mm thick (compacted) on prepared surface in a single course as wearing course composed of specified graded crushed aggregates as per Table 500-23, heating bituminous binder @ 14.6 Kg/10 Sqm.(60/70 grade) and aggregates in Hot Mix Plant (including cost of anti-stripping compound , wherever required), transporting the mixed material with tipper and laying with paver finisher to the required level and grade, rolling with power roller, 8-10 tonne but excluding cost of tack and seal coat with all lead .[MoRTH Specification : Clause 510 & 112]In Hot Mix Plant 40-60 TPH, including loading of aggregates with Front end loader bitumen VG-30
7
Providing and applying premix seal coat type \\"B\\" comprising of thin application of fine aggregate (0.06 cum per 10 Sqm) premix with 6.8 Kgs. Per 10 Sqm bitumen binder (Grade 60/70) (including cost of anti-stripping compound wherever required) In mini hot mix plant 6-10 TPH and laying with mechanical paver and rolling with power roller 8-10 tonne including all lead of mix material ( MoRTH Specifications Clause 511) Please Enable Macros to View BoQ information
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