Short Term Maintenance Contract (STMC) for Km 58.0 to 84.0 of NH-11 ((Jhunjhunu-Chirawa Section)

Milling of distress bitumenous layer upto 70mm depth in a single pass with suitable milling machine (capable of milling @ 200&300 sqm of area per hr) fitted with loading conveyer of loading the filled material directly on the trucks i/c hauling and stock pilling the reclaiming to bring to required specification to reuse with the approval of engineer - in - charge for safe disposal; with all leads and lifts complete in all respect as directly by Engineer - in- charge. *Note : The unutilized quality of reclaimed bituminous mix material shall be recovered.

Providing and applying tack coat on the prepared surface, with bitumen emulsion RS-1 as per IS : 8887 & manufacturer’s specifications @ 2.75 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 ) (2.25kg/10sqm). Add extra to item No. 5.2 for 1Kg / 10 Sqm emulsion (in km 297-297/700)

Providing and laying Dense Bituminous Macadam on prepared surface with specified graded crushed aggregates as per table 500-8 & 500-10 and design mix for base/binder course including loading of material with Front end loader, heating of binder (including cost of anti-stripping compound wherever required) aggregate and filler as per table 500-9, in hot mix plant More than 60-90 TPH, transporting the mixed material by tippers and laying with sensor paver finisher as per clause 505.3.5 to the required level and grade rolling by self propelled power rollers and vibratory rollers or pneumatic tyred roller 150-250KN. TP=0.7MPa to achieve the desired density (approved by the department) but excluding cost of primer/tack coat. [MoRTH Specification : Clause 505 & 112] with all leads Grading II (26.5mm nominal size) - Bitumen @ minimum 4.5% of mix using VG 40 ( thickness 50 - 75 mm ). 20% FOR POT HOLES FOR AREA IN ITEM NO. 1.

Providing and laying bituminous concrete as per design mix on prepared surface with specified graded stone as per table 500-16 & 500-17 for wearing course including loading of aggregate with Front end loader and hot mixing of binder (including cost of anti-stripping compound, wherever required) and filler as per table 500-9 with aggregates in hot mix plant More than 60-90 TPH Transporting the mix material with tipper and laying with sensor paver finisher (as per clause 507.3.5) to the required level , grades and rolling with vibratory compactor and pneumatic tyred roller 150-250 KN,TP=0.7 Mpa, to achieve the desired density (approved by the department) excluding cost of primer/tack coat (MoRTH Specification : Clause -507 & 112) with all lead.VG 40 Grade

Filling pot-holes and patch repairs with bituminous concrete, 40 mm with removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per Clause 503 back filling the pot holes with hot bituminous material using 60/70 grade bitumen @ 5.0% of total mix & mixed in hot mix plant 40-60 TPH capacity and carriage with all leads as per clause 509, compacting with smooth wheel roller 8-10 tonne, trimming & finishing the surface to form a smooth continuous surface, all as per MoRTH specification Clause 3004.2

Providing and laying granular sub-base material having P.I. not more than 6 including spreading in layers not exceeding 150 mm compacted thickness and consolidation by 8-10 tonne power roller to required camber and grade including cost of water and hire charges of machinery including T&P with all lead (Compacted thickness to be measured).as per MoRTH specification table 400-1, 400-2, For Grading VI Material

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material up to a lead of 1000m including removal and disposal of top organic soil not exceeding in 150 mm thickness as per MoRTH specification clause 201. By Mechanical Means In Area of Light Jungle.

Brick masonry work in cement mortar 1:3, with mechanicalmixer, in foundation(at any level) complete, including all scaffolding etc., excluding pointing and plastering, as per drawing and technical specification. [MoRTH Specification : Section 1000,1300] Protection on Minore bridge

Painting two coats after filling the surfacewith synthetic enamel paint in all shades on new plastered concrete surfaces New surface

Plasteronnewsurfacewithcementmortar(1:3) including racking of joint etc. complete fine finished 20mm thick.