Reconstruction of culvert at KM 86/230 And Improvement to kashene black spot Km 86/590 on NH-66 under Road safety Annual plan 2023-24 in Raigad district in the state of Maharashtra.

Amount

Item No.1.Dismantling the R.C.C. Work 1:2:4 and sorting out the materials such as steel etc. as directed and stacking them within the specified lead as directed etc. complete. (Item No. 46.29)

Item No.2.Dismantling stone masonry in lime or cement mortar including stacking the materils as directed with all leads, lifts etc. (Item No. 46.11)

Item No.3.Excavation for foundation in earth, soil of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50m. beyond the building area and stacking and spreading as directed, dewatering, preparing the bed for the foundation and necessary back filling, ramming, watering including shoring and strutting etc. complete.(Lift upto 1.5m.) By Mechanical Means (Item No. 21.02)

Item No.4.Excavation for foundation in Hard rock by chiselling, wedging, line drilling, etc. including trimming and levelling the bed, removing the excavated material upto a distance of 50 metres beyond the building area stacking as directed, dewatering and back filling with available earth/ murum watering, ramming etc. complete.(Lift upto 1.5 m). By Mechanical Means (Item No. 21.20)

Item No.5.Providing and casting in situ/ready mix PCC M15 grade of trap metal for coping to head walls/ parapet including centering, form work, compaction and curing etc. complete.(with reversible drum type mixer/ concrete batch mix plant(pan mixer) with SCADA with fine agreegates of required specifications(Natural sand/VSI sand finely washed etc) (Item No. 11.30)

Item No.6.Providing and laying plain in situ/ready mix M-30 cement concrete of trap/granite/quartzite/gneiss/ crushed stone metal mechanically mixed, placed in foundation and compacted by vibration including necessary bailing out water, curing curing concrete batch mix plant/pan mixer with fine agreegates of required specifications(VSI sand finely washed etc) (excluding dewatering by pump) for 14 days RCC Grade.With Concrete Mixer (Item No. 17.30)

Item No.7.Providing and laying in situ/ready mix M-30 plain cement concrete of trap/granite/quartzite/gneiss metal for cast in citu piers, abutment, returns, wings etc. including provision of "V" shaped false joints to form suitable panels on the faces to approve design with compacting by vibrating and curing complete, including plywood/steel form work centering(excluding dewatering by means of pump) and including bailling out water and curing finishing inCM 1:3 etc. complete. as directed by engineer in charge basic rate shall be increased for height above 5.00m in followinh manners(a) Height upto 5 M.(With Concrete Mixer)With fine agreegates of required specifications(VSI sand finely washed etc) i) Height up to 5 m, normal rate. ii) Height 5 to 7.50 m, add 5 percent extra over basic rate. iii) Height 7.50 to 10 m, 7.50 percent extra. iv) Over 10m Height, add 10 percent extra for every 2.50m rise. (Item No. 17.41)

Item No.8.Providing and laying in situ/ ready mix M-30 controlled cement concrete of trap/granite/quartzite/gneiss metal for RCC work in solid/ deck slab etc. including ramming, vibrating, curing, formwork, centering and finishing in cement plaster excluding reinforcement etc. complete. (with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant/ pan mixer and fine agreegates of required specifications(VSI sand finely washed etc) i)Height up to 5 m, normal rate. ii) Height 5 to 7.50 m, add 5 percent extra over basic rate. iii) Height 7.50 to 10 m, 7.50 percent extra. iv) Over 10m Height, add 10 percent extra for every 2.50m rise. (Item No. 14.17)

Item No.9.Providing, cutting, bending, hooking, tying and laying in position TMT FE 500 steel bars for reinforcement for all RCC works as per detailed drawings etc. complete. (Item No. 14.01)

Item No.10.Providing and laying weep holes of 100mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete. (Item No. 17.37)

Item No.11.Back filling behind abutment, wing wall and return wall as per drawings and technical specifications etc. complete. (by granular material) (Item No. 12.70)

Item No.12.Providing and laying of filter media with granular materials/ stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2 of MoRTH specifications to a thickness of not less than 600mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition as per drawing and technical specifications etc. complete. (Item No. 12.72)

Item No.13.Providing and laying filter material underneath pitching in slopes as per drawings and technical specifications etc. complete. (Item No. 14.74)

Item No.14.Providing and laying pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and technical specifications etc. complete. (by stone/ boulder) (Item No. 14.72)

Item No.15.Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40Kilogrameach complete as per drawings and Technical specifications etc. complete. (boulder laid without wire crates) (Item No. 14.69)

Item No.16.Providing and applying tack coat on the prepared surface heating by fames in Boiler and spraying bitumen set footed in bitumen boller on B.T. surface 2.5kg/10sqm.(VG-30 bulk bitumen rates are considered to arrive at rates) (Item No. 3.30)

Item No.17.BITUMINOUS CONCRETE:- Providing and laying bituminous concrete using crushed aggregates of grading 1, premixed with bituminous binder @ 5.20 per cent by weight of total mix and filler, transported to site with VTS, laid over a previously prepared surface, finished to the required grade, level, alignment, and rolling to achieve the desired compaction for 50mm compacted thickness with specified grade of Bitumen, Excluding prime/tack coat. For Bitumen of specified grade -- USING Batch mix type hot mix plant with SCADA, Sensor Paver, Vibratory roller with Stone Dust filler.(VG-30 bulk bitumen rates are considered to arrive at rates) (Item No. 3.48)

Item No.18.Excavation for roadway in earth, soil of all sorts, sand, gravel or soft murum including dressing section to the required grade, camber and side slopes and conveying the excavated materials with all lifts upto a lead of 50m. and spreading for embankment or stacking as directed. (Item No. 2.11)

Item No.19.Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting with vibratory roller to the required density. By Mechanical Means-Grading II(Using Screening Type B(11.2mm) Aggregate) (Item No. 3.20)

Item No.20.Prime coat-Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including cleaning of road surface and spraying, primer at the rate of 0.60kg/ sqm using mechanical means. (Item No. 3.29)

Item No.21.Providing and applying tack coat on the prepared surface heating by fames in Boiler and spraying bitumen with sprayer on Dry/Hungry B.T. surface 3kg/10sqm.(VG-30 bulk bitumen rates are considered to arrive at rates) (Item No. 3.31)

Item No.22.BITUMINOUS MACADAM: Proving and laying bituminous macadam using crushed aggregates of Grading 1, premixed with bituminous binder, transported to site with VTS, laid over a previously prepared surface, finished to the required grade, level, alignment, and rolling to achieve the desired compaction for 80/100mm compacted thickness with 3.3 % using specified grade of Bitumen. -- USING Batch mix type hot mix plant with SCADA, Sensor Paver, vibratory roller.(VG-30 bulk bitumen rates are considered to arrive at rates) (Item No. 3.40)

Item No.23.DENSE BITUMINOUS MACADAM: Proving and laying dense bituminous macadam using crushed aggregates of Grading 1, premixed with bituminous binder of specified grade of Bitumen @ 4.50 per cent by weight of total mix and filler, transported to site with VTS, laid over a previously prepared surface, finished to the required grade, level, alignment, and rolling to achieve the desired density for 76-100mm compacted thickness .USING Batch mix type hot mix plant with SCADA, Sensor Paver, Vibratory roller with Stone Dust filler. (VG-30 bulk bitumen rates are considered to arrive at rates) (Item No.3.44)

Item No.24.Providing and applying tack coat on the prepared surface heating by fames in Boiler and spraying bitumen set footed in bitumen boller on B.T. surface 2.5kg/10sqm.(VG-30 bulk bitumen rates are considered to arrive at rates) (Item No. 3.30)

Item No.25.BITUMINOUS CONCRETE: -- Providing and laying bituminous concrete using crushed aggregate of grading 1, premixed with bituminous binder @5.40% by weight of total mix and filler, transported at site with VTS, laid over a previously prepared surface, finished to the required grade, level, alignment, and rolling to achieve the desired density for 50mm compacted thickness with drum mix plant with SCADA, Sensor paver and Vibratory roller excluding prime/ Tack coat etc. complete -- Bitumen of specified grade with stone dust filler.(VG-30 bulk bitumen rates are considered to arrive at rates) (Item No 3.50)

Item No.26.Providing and Laying hot applied thermoplastic road marking strip on Bituminous Surface of specified shade/colour of 2.5mm thick including 1.5 Refractive index reflectorizing glass beads @ 250gm/ sqm .Thickness of 2.5mm is exclusive of surface applied glass beads as per IRC 35:2015. Initial Dry reflectivity RL shall be > 250 mcd/sqm/ lux measured in the initial 7 days and sustained reflectivity RL of 100 mcd/sqm/lux and Qd of 100 mcd/sqm/lux measured at the end of 2 years by means of a Standard Reflectometer of Zehntner, Easylux, Delta make capable of measuring RL & QD both according to IRC 35:2015 clause 15.5. The finished surface to be level, uniform, and free from streaks and holes complete as per direction of Engineer-incharge and in accordance with applicable specifications. (Refer MORTH Clause 803 for technical Specification and Performance for IRC 35:2015). (Item No. 6.12a)

Item No.28.Excavation for catch/ side water gutter in Hard murum and boulder strata to the specified section including stacking the excavated stuff in a regular bund and disposing of unsuitable or excess stuff as directed. (Item No. 2.20)

Item No.29.Supplying and Fixing of Molded Shank Raised Pavement Markers/ Cat's Eye made of polycarbonate and ABS moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face and shall support a load of 16000kg tested in accordance to ASTM D 4280 Type H and complying to Specifications of Category A of MORTH Circular No RW/ NH/33023/10-97 DO III Dt 11.06. 1997. The height, width and length shall not exceed 50mm, 100mm and 102 +/-2mm and with minimum reflective area of 13 Sqcm on each side and the slope to the base shall be 35 +/-5 degree. The strength of detachment of the integrated cylindrical shanks, (of diameter not less than 19 +/-2mm and height not less than 30+/-2mm) from the body is to be a minimum value of 500 Kg. Fixing will be by drilling holes on the road for the shanks to go inside, without nails and using epoxy resin based adhesive as per manufacturer's recommendation and complete as directed by the engineer.The contractor shall submit a two year warranty for satisfactory field performance including stipulated retro-reflectance of the reflecting panel, to the Engineer. (Item No. 6.09)

Item No.30.Providing and fixing steel pipe delineators of 10cm. in diameter and total height of 130cm, provided with 2 strips of white retroreflective sheeting of size 5cm. x 32.5cm. each fixed horizontally and 2 strips of red retroreflective sheeting each having size 5cm. x 32.5cm. fixed horizontally at top, with M.S. round cap having diameter 11cm. and wire mesh at top(10 guage thick) and height of wire mesh 15cm, M.S. hold fast 6mm thick with 35cm. in length, fixing the delineators in C.C. 1:4:8 concrete block of size 25cm. x 25cm. x 45cm. with necessary excavation etc. complete. (Item No. 6.16)

Item No.31.Metal Beam Crash Barrier -- Type- A, W : Metal Beam Crash Barrier(Providing and erecting a W metal beam crash barrier comprising of 3mm thick corrugated sheet metal beam rail, 70cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5mm spaced 2m centre to centre, 1.8m high, 1.1m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5mm, 330mm long complete as per clause 810)" (Item No. 7.30)

Item No.32.Providing and fixing of retro- reflectorised informatory sign board rectangular/Square in shape having area less than 0.9 square metre made out of 4mm aluminum composite material sheet bonded with white retro reflective sheeting of Class B(Type IV High intensity microprismatic grade sheeting- HIP) having pressure sensitive/ heat activated adhesive retoreflective specified back ground, border and back side retoreflctive symbols, letters, numerals, arrow as per IRC:67-2012 Table No 8.3, supported with back support frame 25mm x 25mm x 3mm, duly painted on back side with two coats of grey stove enamel paint and supported on one no. mild steel angle iron post 75mm x 75mm x 6mm, 3.5 mt long firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing The angle iron post shall be duly painted with one coat of epoxy primer and two coats of epoxy finish paints having alternate black and white bands of 25cm width including GI fixures and transportation etc.complete.The nut bolts of board with angle iron post/ supporting structure after fixing at site has to be electrically welded. Class B(Type IV High intensity micro- prismatic grade sheeting-HIP) sheeting shall have 7 years written warranty from the manufacturer and authorised distributor/ convertor issued for field performance including the screen printed areas and cut-out sheeting and cut- out durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/supplier. (Item No. 6.33b)

Item No.33.Providing and fixing Cautionary/ Warning sign boards in Equilateral Triangle size of 900mm made out of 2mm aluminum sheet bonded with white retro reflective sheeting of Class C(Type XI Micro prismatic grade sheeting) having pressure sensitive/ heat activated adhesive retoreflective specified back ground, border and back side retoreflctive symbols, letters, numerals, arrow as per IRC:67-2012 Table No 8.3 Supported with back support frame 25mm x 25mm x 3mm, duly painted on back side with grey stove enamel paint and supported on one no. of M. S. angle iron post of size 65mm X 65mm X 6mm, 3.45m long, duly painted with with flat oil paint having alternate black and white bands of 25cm width including G.I. fixtures etc; fixing the boards in M25 grade concrete block of size 60cm X 60cm X 75cm including transportation etc; complete. ClassC(Type XI Micro prismatic grade sheeting) shall have 10 years written warranty from the manufacturer and authorised distributor/ convertor issued for field performance including the screen printed areas and cut-out sheeting and cut-out durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/ supplier. (Item No. 6.30e)

Item No.34. Providing and fixing Mandatory/ Regulatory sign boards in circular shape of 900mm dia made out of 2mm aluminum sheet bonded with white retro reflective sheeting of Class C(Type XI Micro prismatic grade sheeting) having pressure sensitive/ heat activated adhesive retoreflective specified back ground, border and back side retoreflctive symbols, letters, numerals, arrow as per IRC:67-2012 Table No 8.3 Supported with back support frame 25mm x 25mm x 3mm, duly painted on back side with grey stove enamel paint and supported on one no. of M. S. angle iron post of size 65mm X 65mm X 6mm, 3.45m long, duly painted with with flat oil paint having alternate black and white bands of 25cm width including G.I. fixtures etc; fixing the boards in M25 grade concrete block of size 60cm X 60cm X 75cm including transportation etc; complete. Class C(Type XI Micro prismatic grade sheeting) shall have 10 years written warranty from the manufacturer and authorised distributor/ convertor issued for field performance including the screen printed areas and cut-out sheeting and cut-out durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/ supplier. (Item No. 6.28e)

Item No.10. Construction Material Testing charges