Rehabilitation of CD works/Bridges and construction of additional CD works in km. 197/200 to 217/700 (Section NH-8 to Palghar) of Sinnar - Ghoti - Trimbakeshwar - Jawhar - Palghar road NH-160A in the State of Maharashtra.

Amount

ITEM NO.01:- 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. 02:-Trimming of grass, shurbs and weeds from the shoulders/berms and disposing off the same to suitable locations etc. complete

ITEM NO.3:- 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 5.0 to 9.0 BHP pump etc. complete. (prior approval of Superintending Engineer will be necessary)

ITEM NO.4:- 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 NO05:-Chipping of all loose and Spalling of concrete to bottom of slab, beams etc.(wherever required), cleaning of reinforcement, carrying out thorough sand blasting, application of anti-corrosive zinc rich epoxy primer to exposed reinforcement including cost of material, labour, equipment, tools, scaffolding etc. complete

ITEM NO.06:--Rake out loose pointing mortar material atleast upto 50 mm in depth and clean with using a nylon brush or low-pressure compressed air. It may require more depth some times depending upon the loss of integrity of existing 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 High Viscosity having special thicxotropic chemicals along with long chain nylon reticulent (LCNR) Epoxy Resin Mortar as approved by Engineer in charge. 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. (If scaffolding is required, same shall be provided and will be paid under relevant item)( For pointing of old masonary )

ITEM NO 07 - 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.08:-Remove roots of the plant from joints of the stone masonry manually. Make sure that no part of the root has remained inside the masonry. Pour thiazolinones based Microbial Wall Wash and Anti-rooting Solution as approved by Engineer in charge in the Stone Masonry joints depending upon width of roots, extent of damage and dimension of roots of plant. For wider roots, it is necessary to first drill the holes in the bark from all the sides which should subsequently totally filled with Microbial Wall Wash and Anti- rooting Solution so that the same percolate in the bark. On complete absorption of the liquid, refill and the process must be continued atleast 5 - 6 times, if necessary. Microbial Wall Wash and Antirooting Solution should have following properties: 1. pH (5 % Solution): 6 - 8 2. Specific Gravity @ RT: 1.05 ± 0.02 It shall be applied as per anufacturer‘s specification. (If scaffolding is required, same shall be provided and will be paid under relevant item)

ITEM NO.10:-Excavation for foundation in hard murum including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete

ITEM NO.11:--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.12:- Dismantling stone masonry in lime or cement mortar including stacking the materils as directed with all leads, lifts etc.

ITEM NO 13 -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. 14:-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.15:- 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:- 16 Providing and laying in situ / ready mix controlled grade of M25 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. (withfully automatic micro processor based PLC with SCADA enabled with reversible drum type mixer/ concrete batch mix plant (pan mixer) with fine agreegates of required specifications (Natural sand/ VSI sand finely washed etc ), excluding reinforcement)

ITEM NO.17:- Providing and laying filter material underneath pitching in slopes as per drawings and technical specifications etc. complete.

ITEM NO.18:- 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.19: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.20 :- 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.21:- Providing and Paying Royalty Charges for crushed metal, Rubble, stones ,Sand,, murum etc.

ITEM NO 22 :-Providing Polymer modified cement Mortar treatment after removing of existing, clading, plaster, gunite & cleaning and preparing the surface.Applying Polymer cement bond coat and Polymer modified cement Mortar as per manufacturer specification up to 50 mm thick with 8% polymer by weight of cement to fill the all cavities & making protective cover plaster including shuttering

ITEM NO 23 :-Providing and applying Elastomeric, Anti carbonation, Anti corrosive, UV resistant, Solvent based Pure Aliphatic Acrylate System- MONOPOL 456 on the exterior faces of Buildings Protection against ION penetration, carbonation,UV radiations and wethering effect conforming to ASTM D 4541-02 having Electrochemical impedance of 107 Ω and achieving dry film thickness of minimum 200 microns in a primer coat followed by two top coats using brush or spray after complete cleaning & removal of oil, grease or loose particles from the surface etc. complete

Item no 24:-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. 25:-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)

ITEM NO.26:- Dismantling stone masonry in lime or cement mortar including stacking the materils as directed with all leads, lifts etc.

ITEM NO. 27:- 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.28:- 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.29:-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.30:-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.31:-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.32 :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 (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 10 m Height, add 10 percent extra for every 2.50m rise.

ITEM NO.33 :- providing and laying in situ / ready mix controlled M-35 cement concrete of of trap / granite / quartzite/gniess metal for reinforced cement concrete caps over piers and abutments including necessary sacffolding plywood/steel formwork, compacting by vibrating, finishing in CM 1:3 and curing etc complete ( Excluding reinforcement) With reversible drum type mixer/ concrete batch mix plant (pan mixer) . with fine agreegates of required specifications ( VSI sand finely washed etc )

ITEM NO 34:- Providing and laying Cast in situ/Ready Mix cement concrete M-35 of trap/ granite /quartzite/ gneiss metal for R.C.C. slabs and landings as per detailed designs and drawings including steel centering, formwork, cover blocks, laying/pumping, compaction finishing the formed surfaces with cement mortar 1:3 of sufficient minimum thickness to give a smooth and even surface or roughening if special finish is to be provided and curing etc. complete,(Excluding reinforcement and structural steel). 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)

ITEM NO. 35:- 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.36:-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.37:- 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.38:- 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 39.:- 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.40:-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.41 : 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.42:-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.43:-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.44: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.45:Providing and laying weep holes of 100 mm diameter PVC pipes as per drawing for abutment returns, return walls etc. Complete

ITEM NO.46:- Providing and Paying Royalty Charges for crushed metal, Rubble ,stones,Sand,, murum etc.

ITEM NO.47:- 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 48 :-Providing tar paper bearing including laying in proper position etc. complete

ITEM NO 49 :-Providing expansion joints with 25mm thick bituminous pad as per detailed drawings etc. complete.

ITEM NO 50 :- Providing & Supplying corrosion inhibiting admixture in concrete to protect steel bars for all concrete in every part Polyalk CP 293 of approved make & approved by Engineer in charge migrating, non-nitrite based corrosion inhibiting admixture shall be added at a dose of 3 Kilograms per cum of concrete. The admixture should protect both cathodic and anodic sites and have been accredited by Indian Roads Congress, recommended for use by Ministry of Road Transport & Highways and should have a 4 year track record of use in both the Gulf Region and India. Admixture should have evaluated test reports demonstrating acorrosion rate of zero coulombs after 9 test cycles as per ASTM G 109 when tested from a research institution NBA accredited Grade A and internationally ranked among top 5 research institutions in the world in Annual Survey conducted by Georgia Institute of Technology ranking of research institutions. PH of admixture should be alkaline in nature, specific gravity of 0.99 – 1.1, colour : brownish. The contractor must intimate the engineer in charge prior to addition in concrete for recording. If the admixture is put in the concrete mix at the batching plant, a written record of the amount of admixture used shall be supplied to the engineer. The engineer must ensure that the specified dosage of admixture is added in the concrete mix. (Material Cost Analysis only

ITEM NO 51 :-Providing and applying Elastomeric, Anti carbonation, Anti corrosive, UV resistant, Solvent based Pure Aliphatic Acrylate System- MONOPOL 456 on the exterior faces of Buildings Protection against ION penetration, carbonation,UV radiations and wethering effect conforming to ASTM D 4541-02 having Electrochemical impedance of 107 Ω and achieving dry film thickness of minimum 200 microns in a primer coat followed by two top coats using brush or spray after complete cleaning & removal of oil, grease or loose particles from the surface etc. complete

ITEM NO 52 :-Providing and filling annular space around footing in rock by using concrete of M15 grade etc. complete.

ITEM NO.53:-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.54 :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 (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 10 m Height, add 10 percent extra for every 2.50m rise.

ITEM NO.55:-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.56:- 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.57:- Providing and Paying Royalty Charges for crushed metal, Rubble, stones, Sand, murum etc.

SHIVAM MURLIDHAR DEORE