Rectification of black spots at km 148.465 Mandal Kupi WB-02-672 of NH-60 New NH-14 under NHD-II.

Amount

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres (Reference to MORT&H's specification clause 202) and as per direction of Engineer-in-Charge. By Mechanical Means. Dismantling Brick / Tile work. In cement mortar.

Cutting of trees, including cutting of Trunks, Branches and Removal of stumps, roots, stacking of serviceable material with all lifts and upto a lead of 1000 metres and earth filling in the depression/pit [Reference to MoRT&H's specification clause 201(iii)] and as per direction of Engineer-in-Charge. Girth from 900 mm to 1800 mm

Excavation for roadway in soil with hydraulic excavator of 0.9 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 1000 m [Reference to MoRT&H's specification clause 301] and as per direction of Engineer-in-Charge.

Cold Milling of Bituminous Pavement surface upto the required depth by mechanical means using milling machine, without disturbing the under lying layers, to proper line and level, cleaning the surface proeprly after milling and removing the loose materials, stacking the milled materials for re-use, necessary guarding, barricading & lighting, including hire charges of machinery, cost of fuel and labour and other incidental charges all complete and as per direction of Engineer-in-Charge.

Construction of Granular sub-base by providing graded material such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part-8), complete as per clause 401 desired density, complete as per clause 401(iii) and as per direction of Engineer-in-Charge. By Mix in Plant Method Grading-III material.

Construction of Granular sub-base by providing graded material such as natural sand/crushed gravel/crushed stone/combination depending upon the required grading spreading in uniform layers with motor grader on prepared surface, mixing by appropriate mechanical mixure (with controlled addition of water), and compacting with vibratory roller to achieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8), complete as per clause 401(v) and as per direction of Engineer-in-Charge. In Plant Method. Grading-V material.

Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of table 400-13 revised vide table 2 of IRC : 109 (2015) 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 .The thickness of a single compacted layer shall not be less than 75 mm.(Reference to MoRT&H's specification 406 and as per direction of Engineer-in-Charge.

Providing and applying Primer Coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502) and as per direction of Engineer-in-Charge. WMM/WBM surface @ 0.85 kg/sqm.

Providing and applying Tack Coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503) and as per direction of Engineer-in-Charge. On Granular surface treated with primer @ 0.275 kg / sqm.

Providing and applying Tack Coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503) and as per direction of Engineer-in-Charge. On Bituminous surface @ 0.25 kg / sqm.

Providing and laying Dense Graded Bituminous Macadam with 100-120 TPH batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder of approved grade @ 4.0% (min) for Grading -1 and 4.5% (min) for Grading -2 by weight of total mix and filler (Cement /hydrated lime / Rock dust ) as per table 500-10 and mix design done as per table 500-11and job mix formula as per clause 505.3.3 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 tandem roller and with pneumatic tyre roller of 12 to 15 tonne weight with a pressure at least 0.56 MPa as directed by E-I-C, and to achieve the desired compaction as per MORT&H specification clause No. 505.3.5 complete in all respects (Reference to MORT&H's specification clause 505). For Grading-II (26.5 mm nominal maximum aggregate size) layer thickness 50-75 mm

Providing and laying 25 mm thick Mastic Asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-39, prepared by using mastic cooker and laid to re quired level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine-grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005 cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed in to surface when the temperature of surfaces is not less than 100°C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 516 (Reference to MORT&H's specification clause 516 along with IRC:107) and as per direction of Engineer-in-charge.

Supplying and laying in the particular pattern of cement concrete block pavements with BIS certification and spacer nib of size and shape with aspect ratio as per IS: 15658 with cement concrete grade not less than M40 on the prepared base course of specified CBR as mentioned in design and drawing with a cushion of bedding sand of 30 to 50 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps between two paver block with joint filling up the gaps between two paver block with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2) complete as per IRC:SP-63 with proper confinent of bedding and joint filling sand, compaction, levelling and filling up of the edge gaps with mortar. Type-I, II, III, IV should be as per design requirement or instruction of Enginner-in-charge. Type-IV (60 mm thickness) inter locking system.

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC :67 made ofhigh intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick, when signs with maximum side dimensions do not exceed 600 mm, or with aluminium sheeting 2.0mm thick when signs with maximum side dimensions exceeds 600mm, supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing (Reference to MORT&H's specification 801) and as per direction of Engineer-in-Charge. 60cm x 45cm Rectangular

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick, when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting 2.0mm thick when signs with maximum side dimensions exceeds 600mm, supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and as per direction of Engineer-in-Charge. 60 cm equilateral triangle

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick,when signs with maximum side dimensions do not exceed 600mm, or with aluminium sheeting 2.0mm thick when signs with maximum side dimensions exceeds 600mm, supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing) and as per direction of Engineer-in-Charge. 90 cm high octagon

Providing and erecting direction and place identification retroreflectorised sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground y means of properly designed foundation with M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing and as per direction of Engineer-in-Charge. Direction and Place Identification Signs upto 0.9 sqm size board.

Providing and erecting direction and place identification retroreflectorised sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area exceeding 0.9 sqm supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm, 2 Nos. firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and as per direction of Engineer-in-Charge. Direction and Place Identification Signs with size more than 0.9 sqm size Board.

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous SurfaceProviding 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 and as per direction of Engineer-in-Charge.

Rumble marking with using two component cold plastic-Providing and laying of rumble strips with two component cold plastic profiled material to give total width of 500 mm and ht of 10mm. Ramp provided to give width of 145 mm, widths of ribbs to be 55 mm laid at c/c distance of 35mm,wih reflective glass beads @ 350 gsm, the finished surface to be levelled uniform and free from sreaks ad holes, to be applied on the edge lines, including secondary surface cleaning and cost of all materials etc complete and as per direction of Engineer-in-Charge.

Provision of 15 Nos rumble strips covered with premix bituminous carpet, 15-20 mm high at center, 250 mm wide placed at 1 m center to center at approved locations to control speed, marked with white strips of road marking paint and as per direction of Engineer-in-Charge.

Providing fixing and erecting 50 mm dia steel pipe railing in 3 rows duly painted on medium weight steel channels (ISMC series) 100 mm x 50 mm, 1.2 meters high above ground, 2 m centre to centre, complete as per approved drawings (Reference to MORT&H's specification 809) and as per direction of Engineer-in-Charge.

Providing and fixing of road stud 100 x 100 mm, die-cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling hole 30 mm upto a depth of 60 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS 873 part 4:1973 and as per direction of Engineer-in-Charge.

Providing and applying two coats of ready mix paint of approved brand on wood surface after thorough cleaning of surface to give an even shade (Reference to MORT&H's specification 803) and as per direction of Engineer-in-Charge.