Strengthening and bearing replacement of Railway Over Bridge on Mumbra-Kausa Bypass Road MSH 4 Km 139/200 to 139/810 Tal Thane Dist Thane.

Amount

Laying and Jointing PVC Pipe. Heading

Item No. 1 : Labour for traffic control / regulation during repairs to superstructure work.

Item No. 2 : Repairs of expansion joints by removing rich mix cement concrete including stacking the spoil as directed with all leads, lifts etcetera complete. (use of equipment like air compressor is considered in the item)

Item No. 3 : Providing and laying of a strip seal expansion joint catering to maximum horizontal movement up to 70 millimeters 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 etcetera complete.

Item No. 4 : Providing and laying in situ M 45 controlled cement concrete of trap/ granite/ quartzite/ gneiss metal for reinforced cement concrete work in solid/ deck slab etcetera including ramming, vibrating, curing, formwork, centering and finishing in cement plaster excluding reinforcement etcetera complete. (with fully automatic microprocessor based PLC with SCADA enabled concrete batch mix plant / pan mixer and natural sand) For Expansion joint

Item No. 5 : Dismantling existing reinforced cement concrete slab etcetera with outmost care without damaging the existing reinforcement and disposing off the dismantled material safely without causing any disturbance to the traffic and public in general etcetera complete as specified and directed. For Deck Slab and over pier caps.

Item No. 6 : Providing and fabricating structural steel work in rolled sections like joists, channels, angles, tees etcetera 6 millimeter Mild Steel. plate or Sacrificing Corrugated Galvanized Iron decking sheets at the bottom of deck slab as per detailed design and drawings or as directed including cutting, fabricating, hoisting, erecting, fixing in position making riveted / bolted /welded connections without connecting plates, braces etcetera and including one coat of anticorrosive paint and over it two coats of oil painting of approved quality and shade etcetera complete. 6 millimeter mild steel plate or Sacrificing Corrugated Galvanized Iron decking sheets at the bottom of deck slab.

Item No. 7 : Providing and laying in situ M 45 controlled cement concrete of trap/ granite/ quartzite/ gneiss metal for Reinforced cement concrete work in solid/ deck slab etcetera including ramming, vibrating, curing, formwork, centering and finishing in cement plaster excluding reinforcement etcetera complete. (with fully automatic microprocessor based PLC with SCADA enabled concrete batch mix plant / pan mixer and natural sand) For Deck Slab

Item No. 8 : Providing and laying in situ M 30 Reinforced cement concrete of trap/ granite/ quartzite/ gneiss metal for reinforced cement concrete work of ballast walls, kerbs and box returns including scaffolding, compaction, formwork finishing and curing etcetera complete. (excluding reinforcement, with fully automatic microprocessor based PLC with SCADA enabled concrete batch mix plant / pan mixer with natural sand)

Item No. 9 : Providing and erecting scaffolding/staging up to a height of 10 meter including all cross bracings to make it strong and sturdy etcetera complete as specified as directed (to adjacent panels).

Item No. 10 : Providing & erecting sturdy steel H-frame or double bamboo scaffolding at any height, conforming to relevant IS codes, relevant clauses in the tender/preamble and manufacturer's specifications including necessary support system comprising of a combination of anchorage system and coupling arrangements to and from the adjoining structure, making proper platforms at every second floor level to work and for debris collection, covering entire surface with jute kanthan including necessary supports etcetera for the duration of the works including erection of debris chute, dismantling and taking away the entire assembly and accessorial items on completion of work from the site etcetera complete. (Measurement of the item will be as per elevation of the scaffolding length x height of the building line; anchorage system and any other such arrangement done at site shall not be paid separately for. The entire scaffolding including support shall be approved by the engineer-in-charge before it is being put to use.

Item No.11 Drilling & fixing Teflon nozzles in RC members including, drilling holes (from top and bottom): Drilling 12 millimeter diameter 75 millimeter to 100 millimeter deep holes in structural members at the intervals of 350 millimeter in staggered manner or as directed by the engineer in reinforced concrete structural element. Cleaning of holes: Clean the holes by air blower prior to fixing nozzles. Fixing of Nozzles: Insert 12 millimeter diameter Teflon nozzles in cleaned holes. External end of nozzles to be machine to received outlet of grouting gun. Fix it inside the system for minimum 12 hours. Cutting of Nozzles: Cut the Nozzles by chisel after completion of grouting without damaging structural elements. Material make - Dextra/ Krishna conchem /ISR or equivalent.

Item No.12 Grouting and injecting low viscosity high molecular weight thermoset polymer Monopol by pressure and using injector with accessories till nozzles refused to accept the grout, including, Mixing of materials: mixing material components part a and part b in required quantities as per manufacturer's instruction by weigh batching Grouting: Fill the grouting gun with monopol. Maintain desired pressure in the gun by air compressor. Maintain the pressure at exit ( 3 to 4 kilogram per square meter by monitoring pressure gauge at exit. Grout the material through prefixed nozzles while grouting and seal them as per the requirement and by gravity impregnation of concrete surface by flooding in required dosage. Material make - Dextra/Krishna conchem/ISR or equivalent.

Item No. 13 Cutting and opening V-groves in cracks and filling it with non shrink 2-component epoxy putty EPCO 1010 from soffit of reinforced cement concrete slab.

Item No.14 Providing Applying ASTEC-CI 131-100 or equivalent laminate confirming to ACI 440 with complete structural adhesive including. Surface preparation: Grinding concrete substrate, cleaning it with wire brush removing oil, laitance if present etcetera complete. Profiling: Applying compatible primer on prepared substrate, filling the holes and uneven surface with thixotropic putty etcetera complete Application of plate: Marking the application area on structural element, cutting the plate to require size, applying compatible structural adhesive on plate in parabolic manner, paste the plate on desired area by using tamping roller to avoid any air voids etcetera complete. Sand parting. Applying second coat of saturant after minimum 12 hours rectify air voids if any paste the river sand on it to make surface rough to take any further finishes (Mode of measurement. Per running meter of laminate applied) Material make -Dextra / Krishna conchem / JSR or Equivalent

Item No. 15 Providing & applying near surface reinforcement of ASTEC-CR-124-6 Rod or equivalent conforming to ACI 440 with compatible structural adhesive including, surface preparation: Grooving concrete substrate, cleaning it with wire brush removing oil, laitance if present, etcetera complete. Profiling: Applying compatible primer on prepared substrate, filling the holes and uneven surface with thixotropic putty etcetera complete. Application of plate: Marking the application area on structural element, cutting the plate to require size, applying compatible structural adhesive on plate in parabolic manner, paste the plate on desire area by using tamping roller to avoid any air voids etcetera complete. Sand pasting: Applying second coat of saturant after minimum 12 hours rectify air voids if any paste the river sand on it to make surface rough to take any further finishes. (Mode of measurement: per running meter of bar applied.) Material make: Dextra/Krishna Conchem/ISR or equivalent.

Item No.16 Strengthening structural elements with fiber wrapping system comprise of Unidirectional Carbon fiber sheet (400 GSM) and compatible saturant, by dry layup system including surface preparation: Grinding/moulding concrete substrate cleaning it wire brush removing oil, laitance if present, rounding sharp edges to minimum 25 millimeter radius etcetera complete. Profiling: Applying compatible primer on prepared substrate, filling the holes and uneven surface with thixotropic putty etcetera complete. Wrapping; wrapping the fiber sheet to structural element at desired orientation using tamping roller to avoid any air voids etcetera repeat the same procedure to for multiple layer with interval of 8 hours. Sand pasting: Applying second coat of saturant rectify air voids if any, paste the river sand on it to make surface rough to take any further finishes. (Mode of measurement: per square meter of application of fiber sheet consumed and not surface area). Material make: Dextra/Krishna Conchem/ISR or equivalent

Item No. 17 Removal of existing asphaltic wearing coat comprising of 50 millimeter thick asphaltic concrete laid over 12 millimeter thick mastic asphalt including disposal with all lift and lead up to 100 meters.

Item No. 18 DENSE BITUMINOUS MACADAM:--Providing and laying dense bituminous macadam using crushed aggregate of grading 2, premixed with bituminous binder, at 4.5 percent 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 50 millimeter compacted thickness with drum mix type hot mix plant with SCADA having complying essential features of Hot mix plant as per IRC-27-2009 specified conditions and attachments such as electronic load sensor based belt conveyers, automatic synchronization of bitumen and aggregate feeder, built in dust controller system and PLC for Drum Mix plant ,Sensor paver, and Vibratory roller excluding prime/Tack coat etcetera complete --Bitumen VG-30 grade with stone dust filler

Item No. 19. Providing and applying tack coat on the prepared surface heating by flames in Boiler and spraying bitumen with sprayer on Concrete surface treated with primer at 3.25 kilogram per ten square meters with VG-30 bulk Bitumen

Item No. 20. Providing and applying tack coat on the prepared surface heating by fames in Boiler and spraying bitumen set footed in bitumen boiler on Bituminous surface 2.5 kilogram per ten square meters VG-30 bulk bitumen

Item No. 21 BITUMINOUS CONCRETE:--Providing and laying bituminous concrete using crushed aggregate of grading 2, premixed with bituminous binder at 5.4 percent 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 25 millimeter compacted thickness with drum mix plant with SCADA, Sensor paver and Vibratory roller excluding prime/Tack coat etcetera complete --Bitumen VG-30 grade with stone dust filler

Item No. 22. Provision of cranes 12 Tonne during deck slab centering arrangements for concreting and during bearing removal & bearing replacement arrangements.

Item No. 23 Providing, cutting, bending, hooking, tying and laying in position Thermo Mechanically Twestes FE 500 steel bars for reinforcement for all reinforced cement concrete works as per detailed drawings etcetera complete.

Item No. 24 Royalty charges for construction material

Item No. 25 Providing vent holes 100 millimeter diameter Galvanized Iron pipe in the slab and wearing course with iron grill at the top and Galvanized Iron pipe at bottom as per drawing etcetera complete.

Item No. 26 Providing 100 millimeter diameter Galvanized Iron water spouts as per detailed drawings in reinforced cement concrete slab and wearing surface / kerb etcetera complete.

Item No. 27 Providing and fixing Poly Vinyl Chloride Rain water pipes of 110 millimeter outer diameter and having wall thickness of 2.2 to 2.7 millimeter confirming to I.S. 13592-1992 including proper rainwater receiving recess with Poly Vinyl Chloride plug, bend, necessary fittings, such as, offsets, shoes, including fixing the pipe on wall using approved wooden cleats projecting 25 millimeter to 40 millimeter from face of wall a fixing with clips of approved quality and number ,filing the joint using rubber gasket with solvent cement and properly resting the shoe of pipes on cement concrete or masonry blocks, including necessary scaffolding and maintenance for 3 years for any leakages or dislocations of pipes. All the Poly Vinyl Chloride fittings and additional 2 piece socket clips shall be got approved from engineer in charge etcetera complete. (The contractor shall give 3 years guarantee bond for payment)

Item No. 28. Providing and applying Polymer synthetic elastomeric coating cum paint, ready to use for bridge structure in saline as to avoid salt penetration from marine environment and Ultraviolet effects of sunrays, fungus developments and to protect the reinforcement from marine atmosphere effects in three coats including scaffolding, sand blasting , cleaning the surface of concrete , brushing steel reinforcement and applying polymer coating with primer, first coat and second coat at an interval of 24 hours of approved shade and colour (But not to applied on oil, grease, Tar & Moisture of surface Note prior approval of SE is required)

Item No. 29 Road Marking with Hot Applied Thermoplastic Compound with Reflectorizing Glass Beads on Bituminous Surface- Providing and laying of hot applied thermoplastic compound 2.5 millimeter thick including reflectorizing glass beads at 250 grams per square meter area, thickness of 2.5 millimeter is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform and free from streaks and holes complete.

Item No. 30. Providing and fixing of retro- reflectorised informatory sign board rectangular/Square in shape having area greater than 0.9 square meter made out of 4 millimeter aluminum composite material ( ACM) sheet bonded with white retro reflective sheeting of Class B ( Type IV High intensity micro-prismatic grade sheeting-HIP) having pressure sensitive/heat activated adhesive retroreflective specified back ground, border and back side retroreflective symbols, letters, numerals, arrow as per IRC:67-2012 Table No 8.3, supported with back support frame 25 millimeter x 25 millimeter x 3 millimeter duly painted on back side with two coats of grey stove enamel paint and supported on two number mild steel angle iron post 75 millimeter x 75 millimeter x 6 millimeter 3.5 meter long firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 centimeter x 45 centimeter x 60 centimeter, 60 centimeter 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 centimeter width including Galvanized iron fixtures and transportation etcetera 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. 31 Supplying & 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 16000 kilogram 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 50 millimeters 100 millimeter and 102 +/- 2 millimeter and with minimum reflective area of 13 square centimeter 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 +/- 2 millimeter and height not less than 30+/- 2 millimeter) from the body is to be a minimum value of 500 kilogram 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 manufacturers recommendation and complete as directed by the engineer.

Item No.32 Removal of Old bearings and Breaking of bolts / Cleaning at top and bottom surfaces etcetera complete.

Item No. 33 Supplying, fitting and fixing in position true to line and level sliding plate bearing with PTFE surface sliding on stainless steel including all accessories as per drawings etcetera complete.

Item No. 34 Synchronized lifting of 6 girder continuous units of superstructure of bridge for refixing of new bearings including all hire charges and running expenses, transportation charges of all plants, jacks, power pack machines and required equipments, required technicians, labour and centering on 10 temporary supports of teak wood blocks/sleepers of size 0.50x0.50x0.65 meter and Mild steel plates of 25 millimeter thick in two numbers under diaphragms (end) of each span on two piers/abutments at the same time for keeping the superstructure in the lifted position on supports of 20 jacks that is mounted on mild steel plates of required size (10 millimeter 12 millimeter 16 millimeter 25 millimeter etcetera) till completing the pedestal casting and bearing changing operation, lowering of superstructure on bearings, without causing any detrimental effect to any part of the bridge, removing temporary supports after lowering the superstructure complete excluding cost of bearings.

Item No. 35 Synchronized lifting of 6 girder continuous units of superstructure of bridge for refixing of new bearings , relocating of shifted girders/spans back to original position on top of pier cap, the shifted superstructure with the help of horizontal hydraulic jacks and pumps of required capacity including all hire charges and running expenses, transportation charges of all plants, jacks, power pack machines and required equipments, required technicians, labour on 10 temporary supports of teak wood blocks/sleepers of size 0.50x0.50x0.65 meter and Mild steel plates of 25 millimeter thick in two numbers under diaphragms (end) of each span on two piers/abutments at the same time for keeping the superstructure in the lifted position on supports of 20 jacks that is mounted on Mild steel. plates of required size (10 millimeter, 12 millimeters, 16 millimeter, 25 millimeter etcetera), and 16 millimeter thick Teflon/PTFE sheets for sliding arrangement till completing the pedestal casting and bearing changing operation, lowering of superstructure on bearings, without causing any detrimental effect to any part of the bridge, removing temporary supports after lowering the superstructure complete excluding cost of bearings.

Item No. 36 Grouting Adhesive (Conbextra BPG or EP75) from one side by packing all 3 sides to top and bottom plates of bearings, etcetera complete.

Item No. 37 Inspection of type of old bearings before order for bearing manufacturing etcetera complete.

Item No. 38 Carrying out Comp. Strength. Initial setting time, Final setting time, Specific Gravity, Soundness, fineness, test of cement

Item No. 39 Carrying out Concrete Mix Design. For M-40

Item No 40 Carrying out Compressive Strength of cement concrete Cube (Set of 3 cubes).as per frequency in Government P.W.D. laboratory as per relevant standards and submitting test results a retesting if required including taxes overhead and any other allied charges etcetera complete.

Item no. 41 Carrying out Tensile strength, %, Elongation, Yield Stress, Weight-Per Meter for bar up to 16 millimeter diameter .as per frequency in Government P.W.D. laboratory as per relevant standards and submitting test results a retesting if required including taxes overhead and any other allied charges etcetera complete.

Item No. 42 Carrying out Tensile strength, percentage Elongation, Yield Stress, Weight-Per Meter for bar above 16 millimeter diameter .as per frequency in Government P.W.D. laboratory as per relevant standards and submitting test results a retesting if required including taxes overhead and any other allied charges etcetera complete.

Ittem No. 43 Carrying out Tests for Dense Bituminous Macadam as per relevant standards and submitting test results a retesting if required including taxes overhead and any other allied charges etcetera complete.

a) Viscosity

b) Extraction Test

c) Job Mix design of Dense Bituminous macadam

Item No. 44 Carrying out Tests for Bituminous concrete as per relevant standards and submitting test results a retesting if required including taxes overhead and any other allied charges etcetera complete.

a) Viscosity

b) Extraction Test

c) Job Mix design of Dense Bituminous macadam

T and T Infra Pvt Ltd

Rebuild Struct Associates