Improvement to Cross Drainage System with Rehabilitation of CD Works Bridges And construction of Additional CD Works in Km. 176/200 to 206 000 km215 000 to 217 700 of Sinnar - Palghar road NH-160A in the State of Maharashtra. 2nd Call

Amount

ITEM NO.01:- Dismantling stone masonry in lime or cement mortar including stacking the materils as directed with all leads, lifts etc.

ITEM NO. 02:- Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately etc. complete.

ITEM NO.03:- Removing Np-2 and Np-3 class pipes including stacking at road side as directed by the Engineer in charge. Upto 900mm dia and above. etc complete.

ITEM NO.04:-Excavation for foundation in hard murum and boulders including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete.

ITEM NO.05:--Excavation for foundation in hard rock by chiselling and wedging or line drilling including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete.

ITEM NO.06:-Dewatering on BHP basis by using water pump including diversion of stream, providing cofferdams, earthern bunds etc. as may be necessary for foundation and other parts of the the works and pumping out water during and after excavation as may be required by using 3.0 BHP pump etc. complete. (prior approval of Superintending Engineer will be necessary)

ITEM NO.07:-Back filling behind abutment, wing wall and return wall as per drawings and technical specifications etc. complete. (by sandy material)

ITEM NO.08:-Providing and laying in situ / ready mix controlled grade of M15 of trap /granite /quartzite /gneiss metal for RCC works in cut off walls/ curtain walls including necessary scaffolding, centering,compacting by vibrator, finishing 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, excluding reinforcement)

ITEM NO.09 :-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 (Natural sand / VSI sand finely washed etc )(excluding dewatering by pump) for 14 days RCC Grade.With Concrete Mixer

ITEM NO.10:-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 in CM 1:3 etc. complete. as directed by engineer in charge basic rate shall be increased for height above 5..00 m in followinh manners b) Height upto 5 M. (With Batch Mix Plant) With fully automatic micro processor based PLC with SCADA enable with fine agreegates of required specifications (Natural sand / VSI sand finely washed etc ) i) Height up to 5 m, normal rate.

ITEM NO. 11:- Providing and fixing in position TMT - FE - 500 bar reinforcement of various diameters for R.C.C. pile caps, footings, foundations, slabs,beams columns, canopies, staircase, newels, chajjas, lintels pardis,copings, fins, arches etc. as per detailed designs, drawings and schedules. including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required complete.

ITEM NO.12:-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)

ITEM NO.13:- Providing and laying pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete with fully automatic micro processor PLC with SCADA enabled reversible drum type mixer/ concrete batch mix plant (pan mixer) as per drawings and technical specifications etc. complete. (concrete blocks of size 0.30x 0.30x0.30m in CC M15 grade) with fine agreegates of required specifications (Natural sand / VSI sand finely washed etc )

ITEM NO.14:- Providing and laying filter material underneath pitching in slopes as per drawings and technical specifications etc. complete.

ITEM NO.15:- Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader/ Paver on prepared surface and compacting with vibratory roller to achieve the desired density, complete as per clause 401 --Plant Mix Method and Grading - I Material.

ITEM NO 16.:- Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate ( natural sand/VSI grade finely washed crushed sand) conforming to IS: 383, the size of coarse aggregate not xceeding 25 mm, , cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant/ Weigh batch mixer, transported to site with all leads and lifts, laid with a paver with electronic sensor /by suitable means as approved by Engineer-in-charge , compacting with vibratory roller, finishing,curing and including preparation of sub-grade surface if required etc. complete.

ITEM NO.17:-Providing and laying in-situ M40 Grade unreinforced plain cement concrete pavement with max 20% fly Ash ( Fly-ash upto 20% by weight of Cement) over a repared sub base with 43 grade cement ,coarse and fine aggregate ( natural sand/ VSI grade finely washed crushed sand) conforming to IS 383, using fine and coarse aggregates combined gradation as per Table 600-3 of MORTH Specification 2013, mixed in a batching and mixing plant/ non tilting mixer and Weigh batcher as per approved mix design, res,transporting to site, spreading, laying with approved make paver, compacted and finished in a continuous operation, finishing to lines and grades as directed by Engineer-in-charge and curing by curing compound /by providing cement vata in cement Mortar 1:8 @0.6m X 0.6m centre to centre, admeasuring 80 mm at bottom and 40 mm at top with depth of 75mm and maintaining the same throughout curing period by any other method approved by Engineer-in-charge

ITEM NO.18 : Cutting transverse contraction joints 3 to 4 mm wide and depth 60mm. .in concrete slab using concrete cutting machine with diamond studded saw within 48 hours of casting of bay / slab etc. complete including subsequent widening of the groove 8 to 10 mm.wide at top having depth of 15 mm. as directed by Engineer incharge

ITEM NO.19:-Providing to contraction joints polysuphide sealent (Pouring grade)confirming to BS : 5212 - 1989 into sawed groove widened at top for sealent reservoir of specified size and shape as per detailed drawing including fixing Polyethylene foam backer rod of required diameter (appraox. 25% larger than the initial 3 mm.to 4 mm. joint) overlaid with bond breaking tape as per detailed drawing. Item includes cleaning the joints with water jet / air compressor and allowing joint to become thoroughly dry before sealent is applied and applying primer.(A) Contraction and longitudinal joints (15 mm. deep x 8 mm.wide)

ITEM NO.20:-Providing and laying 125 micron Low Density Polyethylene (LDPE) sheet confirming to IS 3395 : 1997 below concrete pavement including all materials and labour complete.

ITEM NO.21:-Providing and laying cement concrete wearing coat M30 grade with batch mix type / concrete mixer with SCADA including reinforcement as per drawings and technical specifications etc. complete with fine agreegates of required specifications (Natural sand / VSI sand finely washed etc )

ITEM NO.22:Providing and fixing steel pipe delineators of 10 cm. in diameter and total height of 130 cm, provided with 2 strips of white retroreflective sheeting of size 5 cm. x 32.5 cm. each fixed horizontally and 2 strips of red retroreflective sheeting each having size 5 cm. x 32.5 cm. fixed horizontally at top, with M.S. round cap having diameter 11 cm. and wire mesh at top (10 guage thick) and height of wire mesh 15cm, M.S. hold fast 6 mm thick with 35 cm. in length, fixing the delineators in C.C. 1:4:8 concrete block of size 25 cm. x 25 cm. x 45cm. with necessary excavation etc. complete.

ITEM NO.23:Providing RCC parapet with CC M20 of trap/ granite/ quartzite/gneiss metal with cast in situ/precast panels as per the detailed drawing including reinforcement,scaffolding, centering, formwork,compacting, finishing and curing etc. complete. (with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant / pan mixer) fine agreegates of required specifications (Natural sand / VSI sand finely washed etc )

ITEM NO.24:Providing and laying weep holes of 100 mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete

ITEM NO.25:- Providing and Paying Royalty Charges for crushed metal,Rubble,stones,Sand,, murum etc.

ITEM NO.26:- Providing and laying of boulder apron laid in wire crates made with 4 mm dia GI wire conforming to IS:2801 and IS:4828 in 100 mm X 100 mm mesh weaved diagonally including 10% extra for laps and joints laid with stone boulder weighing not less than 40 kg each etc. complete.

Item no 27 :-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 5mm spaced 2 m centre to centre, 1.8 m high, 1.1 m 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 5 mm, 330 mm long complete as per clause 810)""

ITEM NO.28:- 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. 29:-Trimming of grass, shurbs and weeds from the shoulders/berms and disposing off the same to suitable locations etc. complete

ITEM NO.30:-Rake out loose pointing mortar material at-least upto 50 mm in depth using a nylon brush or low-pressure compressed air. It may require more depth some times depending upon integrity of mortar. Care is to be taken that the adjacent good and sound matrix is not disturbed. Provide anti rooting treatment to entire recessed pointed area. Clean the joint area properly and pointing shall be done with a special mix of lime base hydraulic mortar for masonry with highly sulphate resistant cement and silica aggregates with compressive strength min 10 N/mm2 - Polycrete PML of M/s. Sunanda Speciality Coatings Pvt. Ltd. or equivalent or approved by Engineer in charge. Hand press this mortar in the joint and finish the surface and allow the mortar to set for minimum 24 hours.

ITEM NO.31:--Rake out loose pointing mortar material at-least upto 50 mm in depth using a nylon brush or low-pressure compressed air. It may require more depth some times depending upon integrity of mortar. Care is to be taken that the adjacent good and sound matrix is not disturbed. Provide anti rooting treatment to entire recessed pointed area. Clean the joint area properly and pointing shall be done with Sunepoxy 358 Mortar of M/s. Sunanda Speciality Coatings Pvt. Ltd. or equivalent or approved by Engineer Incharge. Mix 2 kg Resin + 1 kg Hardener + 9-12 kg Quartz Sand (Graded) thoroughly to homogeneity using a slow speed (300-500 rpm) flame proof or air driven drill fitted with a mixing attachment. Hand press this mortar in the joint and finish the surface and allow the mortar to set for minimum 24 hours.

ITEM NO.32:-Remove roots of the plant from joints of the stone masonry by manually. Pour the Sunantifungal SP in the Stone Masonry joints depending upon width of roots, extent of damage and dimension of roots of plant. Before injecting the grout, it is advisable to clean the surface. Care is to be taken that the air pressure is monitored and maintained so as not to damage the matrix. The grouting can be completed by Sunantifungal SP of M/s. Sunanda Speciality Coatings Pvt. Ltd. or equivalent or approved by Engineer in charge. Properties: Appearance: Clear pale yellow liquid PH (5 % Solution): 6 to 8 Sp. Gravity @ RT: 1.05 ± 0.02

ITEM NO.33:-Providing and applying three coats of Sunantifungal SP or equivalent or approved by engineer incharge with microbial wash and anti rooting properties over the stone masonry surface. Clean the entire stone masonry surface thoroughly by using mechanical devices. Remove the roots of the plant from body of stone masonry manually at least 100-150 mm in depth. The rate to include for application at all levels to various stone masonry elements to the satisfaction of the EIC etc. Complete.

ITEM NO.34:-Remove loose, disintegrated and porous concrete at cracks and joints. Repair the same with epoxy or polymer modified mortar. Drill injecting holes to a depth of 2 - 4 inches in the concrete depending upon width of cracks, extent of damage and dimension of structural elements. Fix the grouting nozzles. Clean all loose dust particles from the cracks and holes by blowing compressed air through all the nozzles in succession. Whenever required grouting nozzle can be introduce for subsequent cementitious lime grout by using Polycrete LM of M/s. Sunanda Speciality Coatings Pvt. Ltd. or equivalent or approved by Engineer in charge. Before injecting the grout, it is advisable to make sure the nozzles are free of dust. Care is to be taken that the air pressure is monitored and maintained so as not to damage the matrix. The ultimate fine grouting can be completed by Nano grout – Sungeogrout of M/s. Sunanda Speciality Coatings Pvt. Ltd. or equivalent or approved by Engineer in charge. It is ready to use inorganic, bio compatible, non hazardous, soil stabilizing chemical grout. It is two component colloidal silica base grout.

ITEM NO. 35:-Clean the entire stone masonry surface thoroughly by using a mechanical device. Provide and apply specialized coloured polyurethane coating aesthetically acceptance shade, the entire stone masonry surface will be coated with high build coating – Sunpugard SPL of M/s. Sunanda Speciality Coatings Pvt. Ltd. or equivalent or approved by Engineer in charge two component polyurethane coating of heavy duty, acid alkali, resistant, polyisocyanate membrane. Apply first coat of Epoxy primer of Sunepoxy 358 before application of Polyurethane coating. Mix using slow speed mechanical stirrer to attain uniform consistency. Two coats shall be applied at 8-10 hours interval between each coat. Ensure that the surface is dry while second application. This shall be done by using spray machine to the satisfaction of the EIC.

ITEM NO.36:-Removing the existing cement plaster of any thickness without causing dust nuisance and stacking the debris upto a distance of 50 metres or spreading in the compound and cleaning the site etc.complete.

ITEM NO.37:- Providing structural steel work in hollow section of various thickness and sizes in square, rectanular and round shape from 25mm to 450mm section as per IS 4923 YST 310 Grade produced from iron ore and blast furnace route etc. as per detailed designs and drawing or as directed including cutting, fabricating, hoisting, erecting, fixing in position, making riveted/bolted/ welded connections and painting. Completed

ITEM NO.38:-Excavation for foundation in hard murum including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete

ITEM NO.39:-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)

ITEM NO.40:-Providing and laying concrete pipes of I.S.NP. class of 225mm diameter in proper line, level and slope including necessary collars, excavation, laying, fixing with collars in cement mortar 1:1 and refilling the trench complete.

ITEM NO.41;-Providing vent holes 100mm diameter GI pipe in the slab and wearing course with iron grill at the top and GI pipe at bottom as per drawing etc. complete.

ITEM NO.42:-Removing old paint from steel and other metal surfaces and making the surfaces even with hand scrapping, scaffolding etc. complete.

ITEM NO.43:-Providing and applying priming coat over new/old steel and other metal surfaces including preparing the surface by thoroughly cleaning oil, grease, dirt and other foreign matter and scoured with wire brushes, fine steel wool, scrappers and sand paper, scaffolding etc. complete

ITEM NO.44:-Providing and applying two coats of exterior weather shield paint of approved manufacture and of approved colour to the plastered surfaces including cleaning ,preparing the plaster surface ,applying primer coat ,scaffolding if ecessary, and watering the surface for two days etc complete. NOTE: For Item No. 15 to 18 prior approval of Superintending Engineer will be necessary

ITEM NO.45:-Dismantelling existing damaged Drainage Water Spout and providing 100mm diameter GI water spouts as per detailed drawings in RCC slab and wearing surface/kerb etc.complete

ITEM NO.46:- Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately etc. complete.

ITEM NO.47:-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 (11.2 mm) Aggregate)

ITEM NO. 48.:-Providing and fixing in position TMT FE 500, 32 mm dia dowel bars precoated with anticorrosive epoxy paint of required Dia. 60 cms.Long and at 30.00 cm. C/C and wherever directed including handling straightening, necessary cutting supported by TMT FE 500, chairs with proper alignment by using properly designed assembly of Bulkheads lubricating half length with bituminous paint as directed etc. complete.

ITEM NO.49 :- Providing and fixing of retro- reflectorised informatory sign board rectangular/Square in shape having area greater than 0.9 square meter made out of ___mm aluminum sheet bonded with white retro reflective sheeting of Class __ ( 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 two no. mild steel angle iron post 75 mm x 75 mm x 6 mm, 3.5 mt long 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 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 25 cm 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. 2mm aluminum sheet bonded of Class C

ITEM NO.50:-Providing and Constructing Temporary Island 12 m diameter for Construction of Well Foundation for 6 m dia. Well. Note:- For other well diameters rate can be worked out on the basis of cross-sectional area of well. The diameter of the island shall be in the conformity with clause 1203.2 of MoRTH.

ITEM NO. 51 :- Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm to be installed by the manufacturer / supplier to their authorized representative ensuring compliance to the manufacturers instruction for installation as per approved drawings and standard specifications etc. complete

ITEM NO. 52 Supplying hard murum/ kankar at the road site, including conveying and stacking complete

ITEM NO 53 :-Spreading hard murum/ soft murrum/ gravel or kankar for side width complete

ITEM NO 54 :- Compacting the hard murum side widths including laying in layers on each side with vibratory roller including artificial watering etc. complete.

SHIVAM MURLIDHAR DEORE