Construction of High Level Bridge across Viruthagasiraga River at Km.31 6 of Thandalam Perambakkam Thakkolam Arigilpadi Road (SH 50B)

Amount

Earthwork excavation in all classes of soil except Soft Integrated rock not requiring blasting and hard rock not requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labour, equipments and all incidental charges and their subsequent removal, removal of all logs, stumps, grubs and other deleterious matter clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for DRESSING THE BED UPTO SILL LEVEL.

Earthwork excavation in all classes of soils except Soft Disintegrated rock not requiring blasting and hard rock requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labour, equipments and all incidental charges such as bailing out water,providing and maintaining necessary cofferdams,sheeting, shoring bracing and their subsequent removal, removal of all logs, stumps, grubs and all other deleterious matter and obstructions, trimming bottom of excavation backfilling and clearing the site and disposal of all surplus materials, etc., complete as per relevant standard specification for FOUNDATION OF ABUTMENTS, RETURNS AND PIERS as per section 300 of MoRT&H Specifications(Fifth Revision).

upto 2.00 m depth

3.00 m depth

4.00 m depth

5.00 m depth

6.00 m depth

Vibrated Cement Concrete of Grade M15 (Nominal mix ), 1:2:4 using 40mm ISS HBG metal including cost and conveyance of all materials and cost of cement at site, including cost of formwork,softwater, labour charges for mixing, transporting ,laying compacting,curing concrete, working at depths, tools and plants,incidential charges such as maintaining of protective bunds,cofferdams,shoring, strutting etc., complete as per standard specification for LEVELLING COURSE BELOW FOOTING OF ABUTMENTS & PIERS as per section 2100 of MoRT&H Specifications(Fifth Revision-2013).

Vibrated Cement Concrete of grade M 25 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to site and cost of cement at site including cost of formwork , softwater, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and protective bunds, cofferdams, shoring, structting etc., complete as per relevant standard specifications for FOOTINGS OF ABUTMENT AND WINGS as per Cl.18.5 of IRC:112-2011 and as per section 1500,1700 & 2100 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated Cement Concrete of grade M 25 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to site and cost of cement at site including cost of formwork , softwater, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and protective bunds, cofferdams, shoring, structting etc., complete as per relevant standard specifications for FOOTINGS OF PIERS as per Cl.18.5 of IRC:112-2011 and as per section 1500,1700 & 2100 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated Cement Concrete of grade M 25 (Design mix) using 20mm ISS Size HBG metal including cost and conveyance of all materials to site including cost of cement at site including cost of form work, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and including all other incidental charges etc., complete as per relevant standard specification for SUBSTRUCTURE OF ABUTMENTS, RETURNS BELOW SILL LEVEL as per Cl.18.5 of IRC:112-2011 and as per section 1500,1700 & 2200 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated Cement Concrete of grade M 25 (Design mix) using 20mm ISS Size HBG metal including cost and conveyance of all materials to site including cost of cement at site including cost of form work, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and including all other incidental charges etc., complete as per relevant standard specification for SUBSTRUCTURE OF PIERS BELOW SILL LEVEL as per Cl.18.5 of IRC:112-2011 and as per section 1500,1700 & 2200 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated Cement Concrete of grade M 25 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to site including cost of cement at site including cost of form work, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and including all other incidental charges etc., complete as per relevant standard specification for SUBSTRUCTURE OF ABUTMENTS, RETURNS ABOVE SILL LEVEL as per Cl.18.5 of IRC:112-2011 and as per section 1500,1700 & 2200 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated Cement Concrete of grade M 25 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to site including cost of cement at site including cost of form work, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and including all other incidental charges etc., complete as per relevant standard specification for SUBSTRUCTURE OF PIERS ABOVE SILL LEVEL as per Cl.18.5 of IRC:112-2011 and as per section 1500,1700 & 2200 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated Reinforced Cement Concrete of grade M 30 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to site including cost of cement at site including cost of form work, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and including all other incidental charges etc., complete as per relevant standard specifications for DIRT WALL CUM BED BLOCK OVER ABUTMENTS AND BED BLOCK OVER PIERS as per section 1500,1700 & 2200 of MoRT&H Specifications (Fifth Revision-2013).

Providing and fixing Seepage pipes of 100mm dia Class I PVC pipes of required lengths for abutments and wings, including cost and conveyance of all materials to work site,cost and labour for 900mm dia semi-spherical back fill arrangements with 100mm size broken granite chips at the periphery and labour charges for fixing etc., to drainof the backfill in the ABUTMENTS AND WINGS.

Providing and fixing KRAFT PAPER for full width of seating of deck slab and including cost and conveyance to worksite, labour for fixing the same in correct position and all other incidental charges etc complete.

Vibrated Reinforced Cement Concrete of grade M 30 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to site including cost of cement at site including cost of form work, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, tools and plants and including all other incidental charges etc., complete as per relevant standard specifications for DECK SLAB as per section 1500,1700 & 2300 of MoRT&H Specifications (Fifth Revision-2013).

Providing and fixing PVC Expansion Joint System in between deck slabs over abutment and pier as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc, complete.

Vibrated Cement Concrete M15 (Nominal mix) 1:2:4, using 40 mm ISS HBGgraded metal, including cost and conveyance of all materials to site and cement at site including cost of form work,lead for soft water, labour charges for mixing, transporting, laying and curing concrete, working in heights and hire charges for tools and plants and all other incidental charges etc., complete as per relevant standard specifications for FOOTPATH RAMP, BASE COURSE BELOW APPROACH SLAB AND FOOTPATH RAMP as per sections 1500,1700 & 2704 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated reinforced cement concrete of grade M 30 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to site including cost of cement at site including cost of form work, soft water, labour charges for mixing, transporting, laying and curing concrete, working at heights, tools and plants and including all other incidental charges etc., complete as per relevant standard specifications for APPROACH SLAB as per section 1500,1700 & 2704 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated cement concrete M30 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to worksite and cement at site all labour charges for mixing concrete, laying,vibrating, hire charge for tools and plants,compacting, curing with all leads for soft water, including all other incidental charges formwork cost of premoulded expansion joints and fixing the same in position, etc., complete for WEARING COAT of 75mm uniform thickness over deck slab and approach slab as per section 2702.2 of MoRT&H Specifications (Fifth Revision-2013)

Vibrated Reinforced Cement Concrete of grade M40 (Design mix) using 20mm ISS HBG graded metal including cost and conveyance of all materials to site and cost of cement at site but excluding cost and fabrication of steel including cost of form work , labour charges for mixing, transporting, laying, curing concrete, working at heights, soft water,hire charges for tools and plants including all other incidental charges etc., complete for INNER CRASH BARRIER OVER DECK SLAB as per sections 811,1700 & 2703.3 of MoRT&H Specifications (Fifth Revision).

Vibrated Reinforced Cement Concrete of grade M 30 (Design mix) using 20mm ISS HBG Graded Metal including cost and conveyance of all materials to site including cost of cement at site but excluding cost and fabrication of steel but including labour charges for mixing, transporting, laying, curing concrete, working at heights, soft water,hire charges for tools and plants including all other incidental charges etc., complete, for HANDRAILS AND POSTS OVER DECK SLAB as per section 2703 of MoRT&H Specifications (Fifth Revision-2013).

Vibrated Cement Concrete M15 (Nominal mix ) using 40 mm ISS HBG graded metal, including cost and conveyance of all materials to site and cement at site including labour charges for mixing ,transporting,laying and curing concrete, working at heights, hire charges for tools and plants including all other incidental charges etc., complete as per standard specification for PARAPETS OVER WING WALL as per section 1500 & 1700 of MoRT&H Specifiactions( Fifth Revision-2013).

Providing and fixing of G.I Drainage spouts 100mm dia as per MOST drawing SD/205 with grating arrangements at top as shown in the drawing and 100mm dia drainage spout projecting beyond the bottom of deck slab as shown in the drawing, including cost and conveyance of Cast iron Pipes and flats and fixing them in position, etc., complete as per section 2705 of MoRT&H Specifications (Fifth Revision-2013).

Providing Filter media behind Abutment and Wings with clean III graded material 53mm to 5.6mm for 600 mm thick and well compacted in layers with smaller size towards the soil and bigger size towards the wall including cost and conveyance to work site including all labours and other incidental charges including hire charges for tools and plants employed etc., for filter material as per Cl.710.1.4 & Appendix 6 of IRC: 78-2014 and MoRT&H (V) Revision Cl.309-3-2-13 and 305-4-4 etc., complete.

Filling behind Abutment and Wings with clean gritty gravel having ɸ value more than 35° including cost and conveyance of gravel to work site,laying, handling charges and filling in layers, tamping under optimum moisture content to get the maximum density including watering, with all leads for water and all other incidetal charges etc., complete as per Cl.710.1.4 & Appendix 6 of IRC:78-2014.

Providing and fixing Class I PVC pipes of 150mm dia. of required lengths for Servive Duct inside Foot path over Deck Slab and Approach Slab including cost and conveyance of all materials to work site and labour charges for fixing, etc.,over DECK SLAB AND APPROACH SLAB.

Supply and fabrication of Fe-500D steel required for all RCC items of works involved in the schedule including cost of steel at site and fabrication, labour charges for cleaning the rods, straightening, cutting, bending, tying grills including over lapping to the required length wherever necessary and placing the reinforcement in position as specified in the drawings including cost of binding wire, spacer bars, cover blocks and all other incidental charges etc., complete as per section 2706 of MoRT&H Specification( Fifth Revision-2013).

Supply and fabrication of Fe-240 steel Grade I required for all RCC items of works involved in the schedule including cost of steel at site and fabrication, labour charges for cleaning the rods, straightening, cutting, bending, tying grills including over lapping to the required length wherever necessary and placing the reinforcement in position as specified in the drawings including cost of binding wire, spacer bars, cover blocks and all other incidental charges etc., complete as per section 2706 of MoRT&H Specification( Fifth Revision-2013).

APPROACH ROAD

Earth work excavation in all classes of soils including weathered rock not requiring blasting and depositing on bank with initial leads and lifts including cost of all labour, equipments and all incidental charges back filling and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for BOX CUTTING

Forming embankments with carted earth with a CBR value of 10 including cost and conveyance of earth to site, spreading the earth uniformly to the entire embankment formation in layers of not exceeding 500 mm thick as directed by the department officers including compacting each layer to the required density in accordance with IS 2720 part VII at 97% Proctor density upto sub grade level and shoulders keeping the moisture content of earth at the time of compaction within the range of 1% above and 2% below the OMC determined and plasticity index value of not more than 20 and liquid limit not greater than 40 in accordance with IS 2720 using required capacity rollers to achieve the required density in each layer including watering with all leads for water and finishing the surface to the lines and grades ,sections as directed by the departmental officers and including hire charges and running charges for the roller and all other tools and plants employed for the work and all labour charges widening of embankment including compacting the original ground with power roller etc.,complete

Forming embankments with excavated earth at site with a lead of 5km including cost and conveyance of earth to site, spreading the earth uniformly to the entire embankment formation in layers of not exceeding 250 mm thick as directed by the department officers including compacting each layer to the required density in accordance with IS 2720 part VII at 95% Proctor density upto sub grade level and shoulders keeping the moisture content of earth at the time of compaction within the range of 1% above and 2% below the OMC determined and plasticity index value of not more than 20 and liquid limit not greater than 40 in accordance with IS 2720 using required capacity rollers to achieve the required density in each layer including watering with all leads for water and finishing the surface to the lines and grades ,sections as directed by the departmental officers and including hire charges and running charges for the roller and all other tools and plants employed for the work and all labour charges widening of embankment including compacting the original ground with power roller etc.,complete

Providing Filter media in between Retaining Walls for Approach Road with clean III graded material 53mm to 5.6mm for 600 mm thick and well compacted in layers with smaller size towards the soil and bigger size towards the wall including cost and conveyance to work site including all labours and other incidental charges including hire charges for tools and plants employed etc., for filter material as per Cl.710.1.4 & Appendix 6 of IRC: 78-2014 and MoRT&H (V) Revision Cl.309-3-2-13 and 305-4-4 etc., complete

Providing and laying Granular Sub Base (GSB) Grade V layer of compacted thickness on the prepared sub grade with approved granular materials of minimum CBR value 30 grading conforming to Table 400 – 1 of MORTH including screening, spreading in uniform layer with Motor grader, watering and premixing at optimum moisture content, compacting with Power and Vibratory Rollers of 80 to 100KN static weight to not less than 98% of the maximum laboratory dry density as per IS: 2720 (part 8) and fine dressing to required grade and cross slope as shown on the Drawing or as directed by the Engineer, including obtaining and transporting all materials from approved quarry site to work site with all lifts and lead by Mechanical Transport, head load or any other mode of transportation, including labour, tools, equipment, safety measures, testing and incidentals necessary to complete the work as per Technical Specification Clause 401and as directed by Engineer.

Providing and laying Granular Sub Base (GSB) Grade III layer of compacted thickness on the prepared sub grade with approved granular materials of minimum CBR value 30 grading conforming to Table 400 – 1 of MORTH including screening, spreading in uniform layer with Motor grader, watering and premixing at optimum moisture content, compacting with Power and Vibratory Rollers of 80 to 100KN static weight to not less than 98% of the maximum laboratory dry density as per IS: 2720 (part 8) and fine dressing to required grade and cross slope as shown on the Drawing or as directed by the Engineer, including obtaining and transporting all materials from approved quarry site to work site with all lifts and lead by Mechanical Transport, head load or any other mode of transportation, including labour, tools, equipment, safety measures, testing and incidentals necessary to complete the work as per Technical Specification Clause 401and as directed by Engineer.

Providing and laying spreading and compacting graded stone aggregate to Wet Mix Macadam (WMM) specification including premixing the material with water at OMC in machanical mix plant conveying the mixed material by tipper to site laying in uniform layers with motor grader, on well prepared surface and compacting with vibratory roller to achieve the desired desity complete as per clause 406 of MORT & H specifications

Providing and applying Prime coat over WMM surface 7 kg per 10sqm area including cost and conveyance of bituminous binder including labour charges for preparing the surface and applying the required quantity of bitumen emulsion as prime coat by bitumen sprayer etc., complete as clause 503 of MORT&H specifications..

Providing and applying Tack coat over Prime Coat 2.5 kg per 10sqm area including cost and conveyance of bituminous Emulsion including labour charges for preparing the surface and applying the required quantity of bitumen emulsion as tack coat by bitumen sprayer etc., complete as clause 503 of MORT&H specifications

Providing and laying of Tack coat over existing BT surface using 2.00 Kg Bitumen Emulsion (RSI) per 10 Sq M for preparatory to to another bituminous construction over it including cost of material ,labour charges,rentals for machinary,fuel and all other incidental charges etc complete as per Clause 503 of MORTH Rev-5

Providing and laying Dense Bituminous Macadam (DBM)75 mm thick overlay using pavers , mixed in Central hot mix plant of drum type using paving bitumen VG40 grade as per IS : 73 and percentage of bitumen shall be 4.5% by weight of total mix and aggregates shall conform to grading 2 of table 500-4 of clause 504 of MORT & H specifications and as directed by the Engineer.

Providing and laying Bituminous Concrete BC 40mm thick which shall consist of construction of single course on a previously prepared bitumenous base to the requirement of the specfication in cclause 511 of MORT&H using VG 40 grade bitumen etc., complete.

PCC RETAINING WALL

Earthwork excavation in all classes of soil except hard rock requiring blasting and depositing on bank with all leads and lifts as per SS20B, including cost of all labor, equipments and all incidental charges such as baling our water, providing and maintaining necessary cofferdams, sheeting, shoring bracing and their subsequent removal, removal of all logs, stumps, grubs and other deleterious matter and obstructions, trimming bottom of excavation backfilling, and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for FOUNDATION OF PCC RETAINING WALLS

Plain Cement Concrete of Grade M-15, Nominal Mix, 1:3:6, using 40mm ISS HBG metal including cost and conveyance of all materials to site including cement at site including cost of formwork, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths, Tools and Plants and incidental charges such as maintaining of protective bunds, cofferdams, shoring, strutting etc; complete as per relevant standard specification, etc, complete as per relevant standard specification for LEVELLING COURSE BELOW THE FOOTINGS OF RCC RETAINING WALLS.

Vibrated Cement Concrete of grade M 20 (Design mix) using 20 mm ISS HBG graded metal including cost and conveyance of all materials and cost of cement to site but excluding cost and fabrication of steel but including soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths hire charges for Tools and Plants including all other incidental charges, etc. complete, for FOUNDATION OF PCC RETAINING WALL

Vibrated Cement Concrete of grade M 20 (Design mix) using 20 mm ISS HBG graded metal including cost and conveyance of all materials and cost of cement to site but excluding cost and fabrication of steel but including soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths hire charges for Tools and Plants including all other incidental charges, etc. complete, for stem of PCC RETAINING WALL (below ground level)

Vibrated Cement Concrete of grade M 20 (Design mix) using 20 mm ISS HBG graded metal including cost and conveyance of all materials and cost of cement to site but excluding cost and fabrication of steel but including soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths hire charges for Tools and Plants including all other incidental charges, etc. complete, for stem of PCC RETAINING WALL (above ground level)

Providing and fixing seepage pipes of 100mm dia. PVC pipes of required lengths for RETAINING WALLS including cost and conveyance of all materials to work site, cost and labour for 900mm dia. semi-spherical back fill arrangements with 100mm size broken granite chips at the periphery and labour charges for fixing, etc.,to drain of the backfill IN THE RETAINING WALLS

ROAD FURNITURE

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface. Providing and laying of hot applied Thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35- 2015. The finished surface to be level, uniform and free from streaks and holes etc., complete as per MoRT&H specification No.803

Road Markers/Road Stud with Lens Reflector Providing and fixing reflective road studs of ‘category A’ Raised pavement markers made out of poly carbonate / methyl methercrylate/ABS moulded body confirming to ASTM D 788 and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face with retro reflectance and chromaticity values conforming to ASTM D4280. The reflective raised pavement markers shall also confirm to the MoRT&H circular No RW / NH. 33023/10/ 97-DO. III dt 11.06.97. The height, width and length shall not be less than 15 mm, 90 mm and 100 mm and with minimum reflective area of 13 Sq.cm on each side and the slope to the base shall be 35 (+/-) 5 degree. Each reflector shall have a CIL not less than values specified in Table 2 of said MoRT&H circular. The strength of detachment of the integrated cylindrical shanks, (of diameter not less than 19 (+/-) 2mm and height not less than 30 (+/-) 2 mm) from the body is to be a minimum value of 500 Kgf. Fixing will be by drilling holes on the road for the shanks to go inside, without nails and using epoxy resin based adhesive as per manufacturer’s recommendation and complete as directed by the Engineer. The marker shall support a load of 13635 Kg tested in accordance with ASTM D4280 and confirming to IRC 35 - 2015 guidelines and MoRT&H specification 804 etc., complete

Providing and erecting of Retro - Reflectorised Cautionary, Mandatory and Informatory signs (with definition board) made out of High Intensity Prismatic Grade Sheeting confirming to Type-IV standards of IRC-67: 2022 and ASTM D 4956 –09, specification and fixed over 2mm thick Aluminium sheet fixed over a back supporting frame of 25mmx25mmx3mm Mild Steel angle and supported on a mild steel angle post 75X75X6mm with a clear height of not less than 2.10m from the ground level to the bottom of the sign board and 0.60m below ground level. The sign post should be painted as per IRC 67-2022 and firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmX45cmX60cm size including cost and conveyance of all materials, equipment, Machinery and labour with all leads and lifts, loading charges necessary for satisfactory completion of the work as directed by the engineer-in-charge. High intensity Retro - Reflectro sheet shall consist of minimum coefficient of Retro-reflection as per Table 6.6 of IRC 67:2022 The retro - reflective sheeting shall be covered under 7 year warranty issued for field performance and a certified copy of three years outdoor exposure report shall be obtained as per IRC 67:2022. (as per MoRT&H Specification No.801)

60cm x 45cm rectangular

90cm equilateral triangle

60cm circular board

Providing and erecting of Direction and Place Identification Retro-reflectorised Sign made out of High Intensity Prismatic Grade Sheeting confirming to Type-IV standards of IRC-67: 2022 and ASTM D 4956–09, specification and fixed over 2mm thick Aluminium sheet fixed over a back supporting frame of 25mmx25mmx3mm Mild Steel angle and supported on a mild steel angle post 75X75X6mm with a clear height of not less than 2.10m from the ground level to the bottom of the sign board and 0.60m below ground level. The sign post should be painted as per IRC 67-2022 and firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmX45cmX60cm size including cost and conveyance of all materials, equipment, Machinery and labour with all leads and lifts, loading charges necessary for satisfactory completion of the work as directed by the engineer- incharge. High intensity Retro Reflectro sheet shall consist of minimum coefficient of Retro-reflection as per Table 6.6 of IRC 67-2022. The retro- reflective sheeting shall be covered under 7 year warranty issued for field performance and a certified copy of three years outdoor exposure report shall be obtained as per IRC 67:2022. (as per MoRT&H Specification No.801)

Supplying and installation of delineators (road way indicators, hazard markers and object markers), 80-100 cm high above ground level, painted at alternatively black and white in 15 cm wide strips, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and conforming to IRC-79 etc., complete (as per MoRT&H specification No. 806)

Providing and Erecting of Retro - Reflectorised Hazard Marker Traffic Sign made out of High Intensity Prismatic Grade Sheeting confirming to Type-IV standards of IRC-67: 2022 and ASTM D 4956 –09, specification and fixed over 2mm thick Aluminium sheet fixed over a back supporting frame of 25mmx25mmx3mm Mild Steel angle and supported on a mild steel angle post 75X75X6mm and 0.60m below ground level. The sign post should be painted as per IRC 67-2022 and firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cmX45cmX60cm size including cost and conveyance of all materials, equipment, Machinery and labour with all leads and lifts, loading charges necessary for satisfactory completion of the work as directed by the engineer-in-charge. High intensity Retro - Reflectro sheet shall consist of minimum coefficient of Retro-reflection as per Table 6.6 of IRC 67-2022. The retro- reflective sheeting shall be covered under 7 year warranty issued for field performance and a certified copy of three years outdoor exposure report shall be obtained as per IRC 67:2022. (as per MoRT&H Specification No.801) 30cm x 90cm rectangular

Providing RCC M15 grade pre cast Hm stone of standard design as per IRC 8-1980 and fixing in position including painting and printing etc., complete (as per MORT &H specification No.804)

Providing and fixing of Digitally Printed Retro Reflectorized Overhead Cantilever Informatory sign Board of Size 5.00m x 1.80m made of cube corner Micro Prismatic grade sheeting conforming to Type XI standards of IRC 67 - 2022 and ASTMD4956 – 09, specification and fixed over 2mm thick aluminum sheet fixed on back supporting frame mild steel L angle of size 50mm x 50mm x 6mm. The Vertical support post for the installation of overhead sign Gantry shall be made of 300NB (Nominal Bore) MS Pipe with 12mm thick with a ground clearance of 6 meters along with 80NB (Nominal Bore) MS Pipe with 4mm thick and 40NB (Nominal Bore) MS Pipe with 3.20mm thick support posts. MS Base plate of size 1200mm x 1200mm x 25mm and MS Top plate of size 900mm x 1650mm x 16mm to be used to hold the sign board at the top and bottom respectively. MS Stiffener plates 8mm thick of sizes 420x420, 682x420, 288x288, 288x927 & 44x130 are to be used. Anchor bolts of dimension 25mm dia and 1000mm length are to be used as fixtures. The approved direction information should be digitally printed and should have 70% of the co-efficient of Retro-reflection values against the values as mentioned in Table 6.9 of IRC 67 – 2022. The Latex printer used for digital printing should use inks with low VOC emissions and have green guard, eco logo certificates as per UL 2801 standards. The retro-reflective sheeting shall be covered under 10 years warranty issued for field performance and a certified copy of three years Outdoor exposure report shall be obtained as per IRC 67-2022 (As per MoRT&H specification No.801). Cantilever sign shall be installed at the site as per the approved structural and foundation drawing provided in the tender document and including cost and conveyance of all materials, equipment, machineries to worksite, including all labour charges for fixing the gantry in position with all leads and lifts, loading charges and necessary for satisfactory completion of the work as directed by the engineer-in-charge etc., complete.

Providing fixing of Rigid Median Marker double sided made of polycarbonate for impact resistance and good weather ability. Polycarbonate used for molding the median marker shall have a minimum Izod impact strength value of 600 J/m at room temperature. The impact strength of the poly carbonate should not decrease to less than 70% of its initial value on being subjected to UV weathering as per ASTM G 155 for 1000 hours or exposure to 2 years of natural weathering. The body of the median marker shall be in the form of an isosceles trapezoidal structure of length 15 cm height and width of 10 x 10 cm. The median marker shall have fluorescent yellow retro - reflective sheeting confirming to Type XI specifications as per ASTM D 4956. Area of reflective sheeting should not be less than 70 cm2. Edge of retro reflective shall be concealed using a grill/mesh/similar mechanism to prevent vandalism and sheeting pilferage. The logo of the manufacturer shall be embossed and painted in contrasting colour on both side of median marker for distinct identification.

PAINTING

Providing painting two coats using emulsion paint of approved make and colour over the Cement primer area including cost and conveyance of all materials to site, all incidental charges etc., complete.

DIVERSION ROAD

Earth work excavation in all classes of soils including weathered rock not requiring blasting and depositing on bank with initial leads and lifts including cost of all labour, equipments and all incidental charges back filling and clearing the site and disposal of all surplus materials etc., complete as per relevant standard specification for BOX CUTTING.

Forming embankments with carted earth with a CBR value of 10 including cost and conveyance of earth to site, spreading the earth uniformly to the entire embankment formation in layers of not exceeding 500 mm thick as directed by the department officers including compacting each layer to the required density in accordance with IS 2720 part VII at 95% Proctor density upto sub grade level and shoulders keeping the moisture content of earth at the time of compaction within the range of 1% above and 2% below the OMC determined and plasticity index value of not more than 20 and liquid limit not greater than 40 in accordance with IS 2720 using required capacity rollers to achieve the required density in each layer including watering with all leads for water and finishing the surface to the lines and grades ,sections as directed by the departmental officers and including hire charges and running charges for the roller and all other tools and plants employed for the work and all labour charges widening of embankment including compacting the original ground with power roller etc.,complete

Forming embankments with carted earth with a CBR value of 10 including cost and conveyance of earth to site, spreading the earth uniformly to the entire embankment formation in layers of not exceeding 500 mm thick as directed by the department officers including compacting each layer to the required density in accordance with IS 2720 part VII at 97% Proctor density upto sub grade level and shoulders keeping the moisture content of earth at the time of compaction within the range of 1% above and 2% below the OMC determined and plasticity index value of not more than 20 and liquid limit not greater than 40 in accordance with IS 2720 using required capacity rollers to achieve the required density in each layer including watering with all leads for water and finishing the surface to the lines and grades ,sections as directed by the departmental officers and including hire charges and running charges for the roller and all other tools and plants employed for the work and all labour charges widening of embankment including compacting the original ground with power roller etc.,complete

Providing and laying Granular Sub Base (GSB) layer of Grade V of compacted thickness on the prepared sub grade with approved granular materials of minimum CBR value 30 grading conforming to Table 400 – 1 of MORTH including screening, spreading in uniform layer with Motor grader, watering and premixing at optimum moisture content, compacting with Power and Vibratory Rollers of 80 to 100KN static weight to not less than 98% of the maximum laboratory dry density as per IS: 2720 (part 8) and fine dressing to required grade and cross slope as shown on the Drawing or as directed by the Engineer, including obtaining and transporting all materials from approved quarry site to work site with all lifts and lead by Mechanical Transport, head load or any other mode of transportation, including labour, tools, equipment, safety measures, testing and incidentals necessary to complete the work as per Technical Specification Clause 401and as directed by Engineer.

Providing and laying spreading and compacting graded stone aggregate to Wet Mix Macadam (WMM) specification including premixing the material with water at OMC in machanical mix plant conveying the mixed material by tipper to site laying in uniform layers with motor grader, on well prepared surface and compacting with vibratory roller to achieve the desired desity complete as per clause 406 of MORT & H specifications

Providing and applying Prime coat over WMM surface 7 kg per 10sqm area including cost and conveyance of bituminous binder including labour charges for preparing the surface and applying the required quantity of bitumen emulsion as prime coat by bitumen sprayer etc., complete as clause 503 of MORT&H specifications..

Providing and applying Tack coat over Prime Coat 2.5 kg per 10sqm area including cost and conveyance of bituminous Emulsion including labour charges for preparing the surface and applying the required quantity of bitumen emulsion as tack coat by bitumen sprayer etc., complete as clause 503 of MORT&H specifications

Providing and laying Dense Bituminous Macadam (DBM) 50 mm thick overlay using pavers , mixed in Central hot mix plant of drum type using paving bitumen VG 30 grade as per IS :73 and percentage of bitumen shall be 4.5% by weight of total mix and aggregates shall conform to grading 2 of table 500-4 of clause 504 of MORT & H specifications and as directed by the Engineer.

Providing and laying Bituminous Concrete (BC) 30mm thick which shall consist of construction of single course on a previously prepared bitumenous base to the requirement of the specfication in cclause 511 of MORT&H using VG 30 grade bitumen 55 grade etc., complete.

Supply of NP 3 class RCC 900 mm dia. pipes supplied by the Contractor at his own cost specified below confirming to IS 458 / 2003 cost of pipe as a finished work including all other incidental charges, testing charges including loading and unloading transport and delivery in good condition at work site as directed by the departmental officers etc., complete.

Hoisting and fixing of 900 mm dia. NP 3 class pipes and collars in proper gradient including all Labour charges and all other incidental charges etc., as directed by the departmental officers etc., complete.

DISMANTLING OF EXISTING CAUSEWAY

Dismantling, clearing away, including removal and satisfactory disposal of Existing Bed level Causeway necessary for the free movement of river water in accordance with specifications and the lines , grades and cross sections shown in the drawings or as instructions given by the Engineer.

Dismantling CC Pavement

Dismantling Existing embankment

Dismantling Apron on Down stream side

Conveyance of dismantled materials with a lead of 5 km by tipper for the disposal of dismantled materials at the place specified by the engineer and in the spaecified lines by the departmental officers and stacking the same at specified locations for premeasurements for making payment and including all incidental charges etc., complete.

DISMANTLING OF DIVERSION ROAD AFTER THE CONSTRUCTION OF HLB

Removing of earth in the Diversion Road constructed and clearing away from the site and carefully stacking the usefull materials for reuse on road side as directed by the departmental officers including all labours and incidental charges., complete.

Conveyance of excavated earth with a lead of 5 km by tipper for the disposal of surplus earth at the place specified by the engineer and in the spaecified lines by the departmental officers and stacking the same at specified locations for premeasurements for making payment and including all incidental charges etc., complete.

Removing of RCC pipes of 900mm Dia from the site and carefully stacking the usefull materials as directed by the departmental officers including conveyance and other incidental charges,etc complete.

Sub Total Amount for above all items

GST 18% for the above Sub Total Amount

Thavam Construction (BID ID -1452648)

S NAGARAJAN (BID ID -1451825)