Short Term maintenance Contract (STMC) on National Highways under the jurisdiction of NH PWD Thane Division. Mumbai Circle in the State of Maharashtra.

BILL NO.1 : ROAD MAINTENANCE

Sub Estimate No.1 :- Kalyan Murbad Nirmal Road NH 61 in km 84.800 to 85.00, 89.600 to 89.860, 90.750 to 93.00 in Malshej Ghat.

Item no-01. Removing land slide by excavation in soft strata as mentioned, by Mechanical means including transportation ,conveying the excavated materials with all lifts upto a lead of 5.00 KM. and disposing at safe places as directed etc. complete.

A) in earth soil of all sorts sand, gravel or soft murum, hard murum,hard murum and boulders etc.

B) in soft rock

Item no. 02- Removing land slide by excavation in hard rock, by breaking / chiseling hard rock masses including transportation ,conveying the excavated materials with all lifts upto a lead of 5.00 KM. and disposing at safe places as directed etc. complete.

Item no.03- Scalling of rock chunk lying on the slope i/c all cost of machineries, cost of crackamita poweder if required making the ramp etc, all cost of labour, material, breaking of rock piece using breaker and disposal of muck within a lead of 5 km as per drawongs and direction of Engineer incharge, Technical Specification.

Item no. 04- Excavator (JCB JS140/Tata Hitachi EX120 ) Can be used for srapping, SSR-2022-23 rate from machinery sr. no -13. pg no. 547

Item no.05- Cutting of branches of trees and shrubs from the road way or with in R.O.W including disposal of wood and leaves to suitable location etc. complete.

Item no 06- Maintenance of Hume pipe Culvert by way of Clearing, Cleaning, Erosion repair, repairs to cracks, parapet wall and protection work as per drawing etc. complete.

Item no 07-Tipper -6 cum (20 Km/Hr) used for disposal of Wastage and sludge and debris, sludge and trunk and branches of tree waste material found in cleaning.

Sub Estimate No.2 :- Raita bridge on Ulhas River at km 16.500 Kalyan Murbad Road NH-61

Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres.

Providing and applying tack coat on the prepared surface heating by flames in Boiler and spraying bitumen with sprayer on Granular surface treated with primer @ 3.00 kg/10 sqm with VG­10 bulk Bitumen.

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. Laying By Grader/Paver.

Providing and laying bituminous macadam using crushed aggregate of Grading1, premixed with bituminous binder, 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 80/100 mm compacted thickness with drum mix type hot mix plant having complying essential features of Hot mix plant as per IRC-272009 specified conditions and attachments such as electronic load sensor based belt conveyers, automatic synchronization of bitumen and aggregate fedder, built in dust controller system and PLC for Drum Mix plant ,Sensor paver,and Vibratory roller excluding prime/Tack coat etc.complete--Bitumen 3.40 % of specified grade. (VG-40 bulk bitumen rates are considered to arrive at rates)

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. VG10 bulk bitumen.

Providing and laying bituminous concrete using crushed aggregates of grading 1, premixed with bituminous binder @ 5.40 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 50 mm compacted thickness with specified grade of Bitumen,Excluding prime / tack coat. For Bitumen of specified grade -- with drum mix plant , Sensor Paver, Vibratory roller with Stone Dust filler. (VG-30 bulk bitumen rates are considered to arrive at rates)without scada

Excavation for foundation in earth, soils of all types, sand, gravel, soft murum including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete. ( By /manaual Means ) a) Upto 1.50m lift Normal Rate

Providing rubble filling/soling of trap/granite/quartzite/gneiss stones for foundations including filling voids with sand/grit and compaction etc complete.

Providing and laying in situ / ready mix cement concrete of M-10 proportion with trap/ granite/ quartzite/ gneiss metal in foundation including necessary form work, compacting and curing etc. complete. (with reversible drum type mixer without SCADA with fine agreegates of required specifications (Natural sand / VSI sand finely washed etc )

Providing cast in situ / ready mix M20 grade cement concrete for head walls of CD work / retaining walls etc. including necessary form work, compaction, finishing and curing etc. complete. (with reversible drum type mixer/ concrete batch mix plant (pan mixer) without SCADA

Providing and laying weep holes of 100 mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete.

Providing earth work in embankment with approved materials obtained from other sources upto lead of 50m. including all lifts, laying in layers of 20cm. to 30cm. thickness breaking clods, dressing to the required lines, curves, grades & section, watering and compaction with vibratory roller with V-Sat attachment to achieve not less than 97 % of standard proctor density etc. complete ( Material obtained from Other sources)

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 600 mm 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.

Sub Estimate No.3 :- STMC on Kalyan Nirmal Road NH 61 in at km b 38/00 to 43/00 and km 47/00 to 58/00.

Item no 1 :- Trimming of grass, shurbs and weeds from the shoulders/berms and disposing off the same to suitable locations etc. complete

Item no 2 :- Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres.

Item No. 3 :- 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 3 kg/10 sqm. (VG-10 bulk bitumen )

Item No. 4 :- 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 76-100 mm 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. 5 :- Providing and applying tack coat on the prepared surface heating by fames in Boiler and spraying bitumen set footed in bitumen boiler on B. T. surface 2.5kg/10sqm.( VG-10 bulk bitumen)

Item No. 6 :- 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 50 mm 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.7 :- Excavation for catch / side water gutter in all sorts of soils & 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 all sorts of soils as directed by Engineer in charge etc., complete.

Item no 8:- Providing and fixing heavy duty inter locking concrete Grey paving blocks of 80 mm thickness of having a strength of 300Kilogram/Sq.cm. of approved quality and Shape on a bed of crushed sand of 25 to30mmthick including skirting joints and cleaning etc. complete.

Item no 09 :- Providing and constructing 75mm. thick Modified Penetration Macadam(MPM) road surface including all materials, preparing the existing road surface, spreading 40mm. stone layers metal 30% crusher broken metal+70%Hand broken metal (By breaking Rubble obtained by blasting) ,heating and spraying the bitumen of specified grade@ 2kg/ sqm, chipscompactingwiththreewheel staticrollerhaving spreading12mm.size weight 8 to 10MT. to achive the desired degree of compaction as per Technical SpecificationClause506etc.complete, including applying tack coat of specified grade of bitumen at therate of 0.30 KgSqm.onexistingbitumensurface. (VG-30bulkbitumen rates are considered to arrive at rates)

VIGILANCE LAB TEST

Agg. Seive Anaylasis

Agg. Basic Test CV/IV/ WA/ Sp. Grv

Agg. Soundness

Flakiness & Elongation

Penetration, Softening Point, Flash & Fire Point, Specific Gravity

Ducility / Elastic Recovery

Sub Estimate No.4 :- STMC on Sinnar-Ghoti- Jawhar- Vikramgad-Manor Palghar Road NH-160A Km 110.00 to 217.700.

Picking the road surface including sectioning etc. complete (BT surface.)

Supplying Aggregates 25 mm nominal size at the road site, including conveying and stacking complete. rates)

Supplying Aggregates 6 mm nominal size at the road site, including conveying and stacking complete.

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 3 kg/10 sqm. (VG-30 bulk bitumen rates are considered to arrive at rates)

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 76-100 mm 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

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 2.5 kg/10 sqm.(VG-30 bulk bitumen rates are considered to arrive at rates)

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 50 mm 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

Excavation for foundation in earth, soil of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 m. 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 3.00 m.) By Manual Means

Providing rubble filling of trap/ granite/ quartzite gneiss stones for foundations including filling voids with sand/grit and compaction etc complete.

Providing and laying Cast in situ/Ready Mix cement concrete in M-10 of trap/ granite/ quartzite/ gneiss metal for foundation and bedding including bailing out water, Steel centering, formwork, laying/pumping, compacting, roughening them if special finish is to be provided, finishing if required and curing complete, with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade)

Providing and laying Cast in situ/Ready Mix cement concrete in M15 of trap/ granite/quartzite/gneiss metal for bed blocks, foundation blocks and such other items including bailing out water, Steel centering, formwork, laying/ pumping, compacting, roughening them if special finish is to be provided, finishing uneven and honeycombed surface and curing etc. complete. The Cement Mortar 1:3 plaster is considered for rendering uneven and honeycombed surface only. Newly laid concrete shall be covered by gunny bag, plastic, tarpaulin etc. (Wooden centering will not be allowed.), with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/ concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade)

Providing and laying weep holes of 100 mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete.

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 600 mm 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

Back filling behind abutment, wing wall and return wall as per drawings and technical specifications etc. complete. (by granular material)

Providing and fixing heavy duty inter locking concreteGrey paving blocks of 80 mm thickness of having a strength of 300Kilogram/Sq.cm. of approved qualityand shapeon a bed of crushed sand of 25 to30mm thick including skirting joints and cleaning etc. complete.

Providing and laying in situ / ready mix / ready mix M10 cement concrete of trap/ granite/ quartzite/ gneiss metal in foundation including necessary centering, formwork, bailing out water, compacting and curing etc. complete. (with fully automatic micro processor based PLC with SCADA enabled with reversible drum type mixer/ concrete batch mix plant (pan mixer) with natural /artifical sand)

Dressing of side shoulder / Scrapping the road side shoulder by Mechanical means ( By JCB /DOUZER) including excavation of raised side shoulders upto 15cm depth including remooving /cutting bushes,grass and dressing shoulder to desired camber and disposing of excavated stuff up to road boundary etc complete. as directed by Engineer In Charge.

Supplying and spreading hard murum/ kankar at the road site, including conveying and stacking complete.

Providing and laying cement concrete pipe of IS 458:2003 NP-3 class of 600mm diameter in proper line, level and slope etc. complete.

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) b) Plant mix Method for grade II

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. Laying By Grader/Paver.

Testing

Sub Estimate No.5 :- STMC on Talasari-Sutrakar Road NH-848A Maintenance of Existing bridge and approaches at Km 2.817.

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) b) Plant mix Method for grade II.

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. Laying By Grader/Paver.

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 3 kg/10 sqm. (VG-30 bulk bitumen rates are considered to arrive at rates)

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 76-100 mm 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

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 3 kg/10 sqm. (VG-30 bulk bitumen rates are considered to arrive at rates)

BITUMINOUS CONCRETE:- Providing and laying bituminous concrete using crushed aggregates of grading 1, premixed with bituminous binder @ 5.40 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 50 mm 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

Supplying and spreading hard murum/ kankar at the road site, including conveying and stacking complete.

BILL NO.2 : Road Property Maintenance

Sub Estimate No.2 :- Raita bridge on Ulhas River at km 16.500 Kalyan Murbad Road NH-61.

Providing railing of mild steel angle post 2.0m center to center of section 75mm x 75mm x 10mm or equivalent I/C section of height 1.05 above bridge surface with minimum anchor length of 30cm including hold fast of 25mm diameter MS bar welded at the bottom with three rows of 40mm B class GI pipe provided at 30cm on center to center including scaffolding and one coat of anticorrosive paint with two coats of oil painting, etc. complete. (Excluding concreting of 1:3:6 of size 30cm x 30cm x 30cm & curing of concrete)

Metal Beam Crash Barrier -- Type-A, W: Metal Beam Crash Barrier (Providing and erecting a W metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post. 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/tpad level, all steel parts and fitments to be galvanised by hot dip process, all filings 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 5 mm, 330 mm long complete as per clause 810)

Sub Estimate No.4 :- STMC on Sinnar-Ghoti- Jawhar- Vikramgad-Manor Palghar Road NH-160A Km 110.00 to 217.700.

Providing railing of mild steel angle post 2.0m center to center of section 75mm x 75mm x 10mm or equivalent I/C section of height 1.05 above bridge surface with minimum anchor length of 30cm including hold fast of 25mm diameter MS bar welded at the bottom and concreting of 1:3:6 of size 30cm x 30cm x 30cm with three rows of 40mm B class GI pipe provided at 30cm on center to center including scaffolding and one coat of anticorrosive paint with two coats of oil painting, curing of concrete etc. complete.

Providing and Laying hot applied thermoplastic road marking strip on Bituminous Surface of specified shade / colour of 2.5 mm thick including 1.5 Refractive index reflectorizing glass beads@250gm/sqm.Thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC35:2015. 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 100mcd/sqm/lux measured at the end of 2 years by means of a Standard Reflecto meter of Zehntner, Easy lux,Delta make capable of measuring RL&QD both according to IRC35:2015 clause15.5.The finished surface to be level, uniform, and free from streaks and holes complete as per directionofEngineer-in-charge and in accordance with applicable specifications.(Refer MORTH Clause 803 for technical Specification and Performance for IRC 35:2015).

Hiring hydraulic Excavator (Wheeled) for removing material/tree/debris etc. from road site as per instructions of Engineer in Charge.

Hiring Tractor with trolly for conveying material/tree/debris etc. from road site as per instruction of engineer in charge.

Providing white and colour washing to road side trees in 2 coats in 2 bands of white and one red band at centre of 30 cm height each including preparing the surface, cost of material, conveying etc. complete.

Removing old paint from surfaces and making the surfaces even with hand scrapping, scaffolding etc. complete.

White washing two coats on parapet walls and white washing and geru lime painting to tree trunks including preparation of surface by cleaning scraping etc. complete

Anticorrosive treatment to expose reinforcement in two coats with time interval of minimum 4 hours between each coat. The application shall be done by brush.

Crack Sealing/Filling using epoxy mortar: Base and hardener of the high strength repair mortar . Epoxy putty shall be mixed using the slow speed heavy duty mixing machine to obtain a uniform mix. The mixed materials shall be placed all along the prepared "V" groove and finished smoothly using the putty blade/ trowel within 30 minutes by using the divers. The finished surface shall be allowed for curing minimum of 24 hours to attain the strength. The item includes the cost of hire charges of all equipment , tools and plants and all labour charges etc., complete.

Structural Repairs to damaged concrete surface with polymer concrete /mortar with ACACRYLATE-REPAIR and AC-BOND-AID as detailed in the method statement including material, labour, etc., all complete as directed by engineer. (Repairs to deck slab, piers, abutment, girders and other locations up to 40 mm thickness).

Providing and laying in situ / ready mix M35 grade RCC jacketing work around the existing piers of bridges etc. complete. (with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant / pan mixer with fine agreegates of required specifications ( VSI sand finely washed etc ), height of 8 to 10 meter)

Maintenance of Hume pipe Culvert by way of Clearing, Cleaning, Erosion repair, repairs to cracks, parapet wall and protection work as per drawing etc. Complete

Providing and laying 12 mm thick mastic asphalt wearing course on top of deck slab excluding prime coat with paving grade bitumen meeting the requirements given in table 500-29, prepared by using mastic cooker and laid to required level and slope after cleaning the surface including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 4.75 mm nominal size at the rate of 0.005 cum per 10 One Square Metre and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 100 deg C, protruding 1 mm to 4mm over mastic surface as per clause 515 etc. complete.

Sub Estimate No.5 :- STMC on Talasari-Sutrakar Road NH-848A Maintenance of Existing bridge and approaches at Km 2.817.

Providing railing of mild steel angle post 2.0m center to center of section 75mm x 75mm x 10mm or equivalent I/C section of height 1.05 above bridge surface with minimum anchor length of 30cm including hold fast of 25mm diameter MS bar welded at the bottom and concreting of 1:3:6 of size 30cm x 30cm x 30cm with three rows of 40mm B class GI pipe provided at 30cm on center to center including scaffolding and one coat of anticorrosive paint with two coats of oil painting, curing of concrete etc. complete.

Structural Repairs to damaged concrete surface with polymer concrete /mortar with ACACRYLATE-REPAIR and AC-BOND-AID as detailed in the method statement including material, labour, etc., all complete as directed by engineer. (Repairs to deck slab, piers, abutment, girders and other locations up to 40 mm thickness).

Providing and fabricating structural steel work in rolled sections like joists,channels,angles,tees etc.a sp er detailed design and drawings or as directed including cutting,fabricating,hoisting,erecting,fixing in position making riveted/bolted/welded connections without connecting plates, braces etc. and including one coat of anti corrosive paint and over it two coats of oil painting of approved quality and shade etc. complete. material, labour, etc., all complete as directed by engineer. (Repairs to deck slab, piers, abutment, girders and other locations up to 40 mm thickness).

Excavation for foundation in earth, soil of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 m. 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 3.00 m.) By Manual Means

Providing rubble filling of trap/ granite/ quartzite gneiss stones for foundations including filling voids with sand/grit and compaction etc complete.

Providing and laying Cast in situ/Ready Mix cement concrete in M-10 of trap/ granite/ quartzite/ gneiss metal for foundation and bedding including bailing out water, Steel centering, formwork, laying/pumping, compacting, roughening them if special finish is to be provided, finishing if required and curing complete, with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade)

Providing and laying Cast in situ/Ready Mix cement concrete in M15 of trap/ granite/quartzite/gneiss metal for bed blocks, foundation blocks and such other items including bailing out water, Steel centering, formwork, laying/ pumping, compacting, roughening them if special finish is to be provided, finishing uneven and honeycombed surface and curing etc. complete. The Cement Mortar 1:3 plaster is considered for rendering uneven and honeycombed surface only. Newly laid concrete shall be covered by gunny bag, plastic, tarpaulin etc. (Wooden centering will not be allowed.), with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/ concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade)

Providing and laying weep holes of 100 mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete.

Back filling behind abutment, wing wall and return wall as per drawings and technical specifications etc. complete. (by granular material)

BILL NO.3 : Road Pavement Repairs

Sub Estimate No.1 :- Kalyan Murbad Nirmal Road NH 61 in km 84.800 to 85.00, 89.600 to 89.860, 90.750 to 93.00 in Malshej Ghat.

A) Providing treatment and repair to potholes / ruts and depth/ patch repair of all types of bitumen pavement complete as per Technical Specification Clause 3004.2 and as per direction of Engineer by using paving grade bitumen/ emulsion/ cold ready mix material. The job includes removal of all failed material, trimming of completed excavation to providing firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per Clause no. 503 back filling the patch with bituminous material as per clause no. 509. Compacting trimming and finishing the surface to form a smooth continuous surface all as per Clause no. 3004.2 of Technical Specification. B) Providing slurry seal for filling of hair cracks, surface cracks and preventive/renewal treatment as per MORTH Clause 512. Specification a) Filling hair cracks b) Filling of Surface cracks 1-3 mm and preventing/renewal treatment. c) Filling of surface cracks 1-3 mm and preventing/renewal treatment.

Sub Estimate No.4 :- STMC on Sinnar-Ghoti- Jawhar- Vikramgad-Manor Palghar Road NH-160A Km 110.00 to 217.700.

Providing treatment and repair to pot holes/ruts and any depth/patch repair of all types of bitumen pavement complete as per Technical Specification Clause 3004.2 and as per direction of Engineer by using paving grade bitumen/ emulsion/ cold ready mix material. The job includes removal of all failed material, trimming of completed excavation to providing firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per Clause no. 503 back filling the patch with bituminous material as per clause no. 509. Compacting trimming and finishing the surface to form a smooth continuous surface all as per Clause no. 3004.2 of Technical Specification.

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