IRQP Work of Narki Bokaro (MDR -078) Road (Total Length 11.000 Km) for the year 2023-24 under Road Division Bokaro

Amount

Clearing and Grubbing Road Land .(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 to be used or auctioned up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness.) i)By Manual Means. A)In area of light jungle

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately. By Mechanical Means. Bituminous course

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately. By Mechanical Means. Granular courses

Wet Mix Macadam (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.)

Prime Coat over WMM/WBM , Providing and applying primer coat with SS1 grade bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means.

Tack Coat on Granular surfaces treated with primer Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.25 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Dense graded Bituminous Macadam Grading-II With VG-30 Bulk Bitumen, Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @4.5 percent by weight of total mix and filler, transporting the hot mix to work site laying with a hydrostatic paver finisher with sensor control to the required grade level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORT&H specification clause no. 505 complete in all respects with VG-30 Bulk Bitumen.

Bituminous concrete Grading- II With VG-30 Bulk Bitumen Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @5.4 percent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment , rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORT&H specification clause no. 507 complete in all respects with VG-30 Bulk Bitumen.

Tack Coat on Bituminous surfaces, Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes.)

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of class-C Type XI retro reflective sheeting fixed over 2mm thick aluminium sheeting vide clause 801.3, 3/4mm thick Aluminium composite material sheet depending on the size of the sign fixed over back support frame of min 25 x 25 x 3 mm Angle mounted on a mild steel circular pipe 65 NB, 3.2 mm thickness firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67. 90 cm equilateral triangle

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of class-C Type XI retro reflective sheeting fixed over 2mm thick aluminium sheeting vide clause 801.3, 3/4mm thick Aluminium composite material sheet depending on the size of the sign fixed over back support frame of min 25 x 25 x 3 mm Angle mounted on a mild steel circular pipe 65 NB, 3.2 mm thickness firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67 60 cm circular

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of class-C Type XI retro reflective sheeting fixed over 2mm thick aluminium sheeting vide clause 801.3, 3/4mm thick Aluminium composite material sheet depending on the size of the sign fixed over back support frame of min 25 x 25 x 3 mm Angle mounted on a mild steel circular pipe 65 NB, 3.2 mm thickness firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67. 80 mm x 60 mm rectangular

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of class-C Type XI retro reflective sheeting fixed over 2mm thick aluminium sheeting vide clause 801.3, 3/4mm thick Aluminium composite material sheet depending on the size of the sign fixed over back support frame of min 25 x 25 x 3 mm Angle mounted on a mild steel circular pipe 65 NB, 3.2 mm thickness firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67. 60 cm x 45 cm rectangular

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of class-C Type XI retro reflective sheeting fixed over 2mm thick aluminium sheeting vide clause 801.3, 3/4mm thick Aluminium composite material sheet depending on the size of the sign fixed over back support frame of min 25 x 25 x 3 mm Angle mounted on a mild steel circular pipe 65 NB, 3.2 mm thickness firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67. 60 cm x 60 cm square

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of class-C Type XI retro reflective sheeting fixed over 2mm thick aluminium sheeting vide clause 801.3, 3/4mm thick Aluminium composite material sheet depending on the size of the sign fixed over back support frame of min 25 x 25 x 3 mm Angle mounted on a mild steel circular pipe 65 NB, 3.2 mm thickness firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67. 90 cm high octagon

Road Delineators (Supplying and installation of delineators (road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide stripes, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and confirming toIRC-79 and the drawings.)

Solar Powered Road Marker (Solar Stud) Supplying of Solar Raised Pavement Markers made of polycarbonate molded body with circular shape, solar powered, LED self illumination in active mode 360 degree illumination and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face in passive mode.The marker shall support a load of 20000 kg tested in accordance to ASTM D 4280.The marker should be resistant to dust and water ingress according to IP 65 standards and should withstand temperatures in the range of 0 C to 70 C. Color of lighting could be provided in red or yellow (amber) as per requirement and typical frequency of blinkikng in 1 Hz.There should be current losses of less than 20 microamperes at 2.4 V in sleepcharging mode to enhace the life of the marker and a full charge should provide for a minimum autonomy of 50 hours.The height, width and length of the marker shall not be less than 10mmx100mmx100 mm. Also, the surface diameter of the marker shall not be less than 100 mm respectively.The weight of the marker shall not exceed 0.5 Kilograms.Fixing will be by drilling holes on the road for the shanks to go inside, without nails and using epoxy resin based adhesive and complete as directed by the engineer.)

Maintenance of Earthen Shoulder (filling with fresh soil) Making up loss of material/ irregularities on shoulder to the design level by adding fresh approved soil and compacting it with appropriate equipment.

Excavation in Soil using Hydraulic Excavator CK 90 and Tippers with disposal upto 1000 metres. (Excavation for roadwork in soil with hydraulic excavator of0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m). Including Royalty @ Rs. 27.48 per cum but excluding the cost of watering, rolling & compaction.

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2) (Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401). for grading- I Material

Providing 80 mm Thick factory made cement concret intrtlocking Paver Block (ii) M-40 Grade and 80mm thickness (a) White—do—do— all complete job as per specification of E/I.

Sand Filling in foundation trenches as per drawing & technical specification

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.Mechanical Means,Depth upto 3 m

Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.

Plain/Reinforced cement concrete in sub-strucutre complete as per drawing and Technical specifications. RCC Grade M20, Height upto 5m,RCC Grade M20 using batching plant, transit mixer & concrete pump

Furnishing and Placing Reinforced/ Prestressed cement concrete in super-structure as per drawing and Technical Specification.RCC Grade M30 Using Batching Plant,Transite Mixer and Concrete Pump.For solid slab super-structure, 20-30 per cent of (a+b+c) ,Height upto 5m

Supplying, fitting and placing HYSD bar reinforcement in sub structure complete as per drawing and technical specifications

Add 18% GST (in Basic Rate must fill 18)

Add 1% Labour Cess (in Basic Rate must fill 1)

M/S SANJAY CONSTRUCTION