Construction of Major Bridge across Kosasthalaiyar River at KM 1/2 of Melvilagam colony to Village Road in Nemiliagaram Panchayat of Poondi Block of Thiruvallur District. under NABARD RIDF-XXVIII 2022-23

Amount

Construction of Major Bridge across Kosasthalaiyar River at KM 1/2 of Melvilagam colony to Village Road in Nemiliagaram Panchayat of Poondi Block of Thiruvallur District.

Earth work excavation in all classes of soil except hard rock requiring blasting and depositing on bank as per SS20B with all leads and lifts and all other incidental charges such as bailing out water shoring strutting, walling and forming protective bunds whereever necessary etc., complete as per relevent standard specification for DRESSING THE BED UPTO SILL LEVEL.

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 labour, equipments and all incidential 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 ABUTMENTS AND PIERS.

Providing and driving in position permanet M.S liner including cost and conveyance to the site and fabrication charges and tools and plants and driving M.S 6mm thick liner to be left peramnently with the pile shaft as per the requirement and as per the specifications and placing from the bottom with all leads and lifts using 6mm M.S sheet etc., complete

Reinforced cement concrete cast-in-situ bored piles of 1200 mm diameter M-35 grade Design Mix using 20mm & 12mm ISS size graded HBG metal with minimum cement content of 400kg per cu.m maximum water cement ratio of 0.4 and slump of 150 - 200mm by tremie concreting including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel including placing of reinforcement in position, concreting, including all labour charges for driving or boring, mobilisation of piling equipment and other accesssories required for driving the pile, cost of Bentonite solution and the temporary liners, chiselling and including forming of working platform over the river bed for accommodating piling eqipments including working platform, cost of test piles both initial and routine test for vertical loads and horizontal loads, forming approaches to the working platform, mixing concrete, filling it in position, compacting, cutting of pile head to cut off level for the casting the pile caps, including diversion of water course if necessary and all other incidental charges tec., complete as per standard specifications etc., complete for PILES UNDER ABUTMENTS,WINGS & PIERS.

Cement Concrete M-15,(Nominal mix 1:2:4) using 20mm ISS graded 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 FOUNDATION UNDER ABUTMENTS AND PIERS.

Vibrated reinforced cement concrete M35 grade Design Mix, using 20 mm & 12mm ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for PILE CAP UNDER ABUTMENTS, WINGS AND PIERS.

Vibrated Cement Concrete of grade M35 (Design Mix) using 20mm & 12mm ISS size HBG metal including cost and conveyance of all materials to site including cost of 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 maintaining of protective bunds, cofferdams, shoring, strutting etc., complete as per relevant standard specifications, for ABUTMENT and WING SUBSTRUCTURE

Vibrated reinforced cement concrete M-35 Grade, Design Mix, using 20mm & 12mm ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for BED BLOCK CUM DIRT WALL OVER ABUTMENTS.

Vibrated reinforced cement concrete M35 grade, Design Mix, using 20mm & 12mm ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for PIER COLUMNS.

Vibrated reinforced cement concrete M35 (Design mix) using 20mm & 12mm ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for CAPPING BEAM OVER PIER COLUMNS.

Vibrated Reinforced Cement Concrete of grade M35 (Design mix) using 20mm & 12mm ISS metal including Cost and Conveyance of all materials to site and Cost of cement at site but excluding cost and fabrication of steel but 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 RCC PEDESTAL OVER ABUTMENTS AND PIERS

Supply and fixing of Elastomeric bearing of size 50x32x6.4cm including cost and conveyance to work site, labour for fixing the same in correct position and all other incidental charges etc., complete as per standard specifications.

Vibrated reinforced cement concrete M-35, Grade, Design Mix using 20mm & 12mm ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site but excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges, etc., complete as per standard specifications for T-BEAM AND CROSS BEAMS.

Vibrated reinforced cement concrete M-35, Grade, Design Mix using 20mm & 12mm ISS size hard granite broken graded metal including cost and conveyance of all materials to site and cement at site but excluding cost and fabrication of steel but including form work and centering soft water labour charges for mixing, transporting, placing in position, vibrating and compacting finishing and curing concrete, working at heights, hire charges for tools and plants, including all other incidental charges,including inspection chamber, inclusive of 150mm ducts and other accessories of footpath etc., complete for DECK SLAB.

Vibrated reinforced Concrete M-40, Grade, Design Mix, using 20mm & 12mm ISS size hard granite broken graded metal including cost and conveyance of all materials to site including 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 for CRASH BARRIER.

Providing and fixing of Galvinised Iron drainage spouts 100mm dia as per MOST drawing SD/205 with grating arrangements at top as shown in the drawing using 12mm x 25mm flats for grating arrangements, 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.

Vibrated Cement Concrete M-15, Grade, Nominal Mix 1:2:4 , using 20mm ISS size hard granite broken metal including cost and conveyance of all materials to site and cement at sitel including labour charges for mixing,transporting, laying, and curing concrete,working at heights,hire charges for tools and plants, including all other incidental rges,etc.,complete as per standard specification for PARAPET OVER WINGS.

Supplying and installation of STRIP SEAL EXPANSION joint system conforming to specifications for Road and Bridge Works-IV Revision; 2001 Published by Ministry of Surface Transport (Roads Wing) in the 40mm wide expansion gap provided in between decks over piers and in between deck and dirt wall over abutment with fatigue tested structural steel section at the nosing and anchorage assembly, including cost and conveyance of all materials, cost of testing as per the MOST specifications, including labour, equipment and incidental charges for fixing the joints complete in all respects, as per specifications.

Vibrated Cement Concrete M15, Grade, Nominal Mix, 1:2:4 using 20mm ISS hard granite broken metal including cost and conveyance of all materials to site and cement at site including cost of formwork,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 specification for BASE COURSE BELOW APPROACH SLAB.

Vibrated Reinforced Cement Concrete M-30, Grade, Design Mix, using 20mm & 12mmISS graded hard granite broken metal including cost and conveyance of all materials to site including cement at site including labour charges for mixing, laying, curing concrete, working at heights,hire charges for tools and plants, including all other incidental chages etc., complete for APPROACH SLABS.

Vibrated Cement Concrete M-30, Grade, Design Mix, using 65% of 25mm, 25% of 12mm and 10% of 6mm IRC size HBG graded metal including cost and conveyance of all materials to worksite and cement at site including all labour charges for fixing concrete, laying, vibrating, hire charges 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 cost of 75mm uniform thickness over deck slab and approach slab.

Providing and fixing seepage pipes of 100mm dia. PVC pipes of requied lengths for abutments and wngs including cost and conveyance of all materials to work site, cost and labour for 900mm dia. semi-spherical back fill arangements with 100mm size broken ganite chips at the periphery and labour charges for fixing, etc.,to drain of the backfill IN BETWEEN THE ABUTMENTS AND WINGS, -

Providing FILTER MEDIA behind Abutment and wing walls for 600mm thickness using filter material conforming to clause 309.3.2.B of MOST well packed with smaller size towards the soil and bigger size towards the wall including cost and conveyance to worksite including all other incidental charges, etc complete.

Filling behind Abutments and wings as per Appendix 6 of IRC: 78-2000 with clean gritty free draining gravel including cost and draining gravel having Ø value more than 35° conveyance of gravel to worksite, laying, handling charges and filling in layers tamping under optimum moisture content to get the maximum density, including watering, with all leads and lifts for water and all other incidental charges, etc., complete.

Supply and Fabrication of High Yield Strength Deformed Bar with Grade Designation Fe-500 D, conforming to IS:1786-2008, steel required for all RCC items of works involved in the schedule cost of steel at site fabrication, labour charges for cleaning the rods straightening, cutting, bending, tying grills, including overlaping to the required length wherever necessary and placing the reinforcement in position as specified in the drawings, including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc, complete,Fe-500D grade.

Above 16mm dia.

Supply and fabrication of S-240 steel required for all RCC items of works involved in the schedule cost of steel at site fabrication,labour charges for cleaning the rods straightening, cutting, bending, tying grills, including overlapping to the required length whenever necessary and placing the reinforcement in position as specified in the drawings,including cost of binding wire, provision of spacer bars, cover blocks and all other incidental charges etc,complete, S-240 grade

Enamel Painting for crash barrier and hand rails using two coats of enamel paint

Conducting Initial Load Test as per IS 2911 Part IV including all charges etc complete

Sub Estimate For Providing Retaining wall

Earth work excavation in all classes of soil except hard rock requiring blasting and depositing with all leads and lifts as per SS20B including cost of all lboue equipments and all other incidental charges such as bailing out water providing and maintaining necessary coffer dams, sheeting, shoring, bracing and their subsequent removal, removal of all logs, stumps, curbs and other deleterious matter and obstructions, trimming bottom of excavation backfilling, and clearing the site and disposal of all other surplus materials etc., complete as per relevant standard specification for REVETMENT TOE WALL AND RETAINING WALL.

Vibrated cement concrete of grade M15 (Nominal mix) Mix 1:2:4 using 20 mm ISS HBG metal including cost and conveyance of all materials to site and 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 incidental charges, such as bailing out water, maintaining of protective bunds, coffer dams, shoring, strutting etc., complete as per relevant standard specification for TOE WALLS OF REVETMENT AND CONCRETE PAVEMENT

Vibrated cement concrete of grad M 20 Design Mix 1:1.5:3 using 20mm & 12mm ISS HBG metal including cost and conveyance of all materials to site and 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 incidental charges, such as bailing out water, maintaining of protective bunds, coffer dams, shoring, strutting etc., complete as per relevant standard specification for CC RETAINING WALL AND CUTOFF WALL

Vibrated cement concrete of grad M 20 Design Mix 1:1.5:3 using 20mm & 12mm ISS HBG metal including cost and conveyance of all materials to site and 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 incidental charges, such as bailing out water, maintaining of protective bunds, coffer dams, shoring, strutting etc., complete as per relevant standard specification for CC RETAINING WALL ABOVE SILL

Vibrated Reinforced cement concrete of grade M35 (Design mix) using 20mm and 12 mm ISS HBG metal including cost and conveyance of all materials to site and 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 incidental charges, such as bailing out water, maintaining of protective bunds, coffer dams, shoring, strutting etc., complete as per relevant standard specification for FOUNDATION OF ABUTMENTS, PIER AND RETAINING WALL BELOW SILL

Vibrated Reinforced cement concrete M35 (Design mix) using 20mm and 12 mm ISS HBG metal including cost and conveyance of all materials to site and cost of cement at site including stacking and storage charges at site, soft water, labour charges for mixing, transporting, laying, curing concrete, working at depth hire charges for tools and plants, and all other incidental charges etc., complete for ABUTMENT , PIER AND RETAINING WALL ABOVE SILL

Providing and fixing of PVC Seepage pipe of 100mm dia of required length for Abutment, returns and Retaining walls including cost and conveyance of all materials to worksite, cost and labour charges for fixing etc., complete as per relevant specification

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 cost of fabrication labour charges for cleaning the rods straightening, cutting, bending, tying grills, over lapping to the required length wherever necessary and providing to the reinforcement placing the reinforcement in position as specified in the drawings including cost of binding wire of spacer bars, cover blocks and all other incidental charges etc complete, Fe-500D grade.

Vibrated Cement Concrete of grade M 20 Nominal Mix 1:1.5:3 using 20mm ISS size HBG metal including cost and conveyance of all materials to site including fixing with all charges etc., for RIGID APRON.

Sub Estimate For Providing Approach Road.

Excavation including removal and satisfactory disposal of all materials necessary for the construction of road way and side drains in accordance with specifications and the lines , grades and cross sections shown in the drawings or as indicated by the Engineer using the carted earth with a lead of 2km for formation of Approach Road for 98% compaction.

Construction of Granular Sub base Gr III by providing well graded material (25 mm to 4.75 mm IRC HBG metal @ 65 %,4.75 to 2.36mm IRC HBG metal @20%&2.36 mm below IRC HBG metal @15%)& (the material passing 425 microns sieve shall have liquid limit and plasticity index not more than 25 & 6% repectively) spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with rotovator at OMC and compacting with three wheel 80-100 KN capacity and finished in accordance with the requirements of the specification and thickness as per approved plans or as directed by the Engineer (Mix -in - place method).

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 carriage of mixed material by tipper to site laying in uniform layers 250mm thick with pavers in SubBase/Base course on well prepared surface and compacting with vibratory roller to achieve the desired density including cost of material,labour charges, rentals for machinery, fuel and all other incidental charges etc., complete.

Providing and laying of prime coat using Emulsion at the rate of 7 Kg per ten square meter over the WMM surface preparatory to another bituminous construction over it.

Providing and laying Tack coat over WMM surface(treated with primer) using 2.5Kg of bitumen emulsion RS-1 for 10sqm for preparatory to another bituminous construction over it including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc.,

Providing laying of BITUMINOUS MACADAM 50 MM THICK consolidated thickness using 0.2 cum of 26.5 - 13.2 mm IRC size machine crushed HBG metal 0.43 cum of 13.2 - 2.36 mm IRC size machine crushed HBG metal and 0.08 cum of 2.36 mm & below size mm IRC size machine crushed HBG metal with 37 Kg of 60/70 Bitumen including cost and conveyance of all materials from approved sources to worksite and stacking them to standard departmental gauge for premeasurement including cost of bitumen which will be supplied by departmental section stores and cost will be recovered at the rates specified in the special condition appended herewith including heating the bitumen in bitumen boiler, heating the aggregates and mixing them with bitumen in the mini hot mix plant for premix carpet only, rolling 8/10 MT power roller to premix carpet and seal coat separately including labour charges for spreading the mix for premix carpet application of bitumen for seal coat over premix carpet including labour charges for mini hot mix plants, bitumen boiler, power roller and all other Tools and Plants employed etc., complete

Providing and laying open graded premix carpet of 20mm compacted thick using 0.18cum of 13.20mm IRC size HBG machine crushed chips and 0.09 cum of 11.20mm IRC HBG machine crushed chips with 14.60Kg of bitumen for 10 Sqm. of premix carpet including laying of seal coat 'A' over the premix carpet using 0.09 cum of 6.70mm IRC size HBG machine crushed chips with 9.80Kg of bitumen per 10 Sqm. including cost and conveyance of chips and stacking them to departmental gauge for pre-measurements including cost of bitumen which will be supplied by the department at departmental section stores and its cost will be recovered as per special condition appended including heating the bitumen and metal mixing the materials in mini hot mix plant for premix carpet including spreading the same and finishing and compacting the same by power rolling to the specified lines and grades including all labour charges application of bitumen for seal coat over the premix carpet and spreading the seal coat and power roller rolling separately as per MOST specification 509 and 513 (III revision) including all labour charges hire and fuel charges for mini hot mix plant, power roller 80-100KN capacity and all other tools and plants employed therefor etc.com.

Gravel spreading in shoulder with clean gritty gravel including cost and conveyance of gravel to worksite, 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 incidental charges, etc., complete

Cement concrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing,laying and curing etc complete

Constructiion of un-reinforced, dowel jointed at expansion and construction joint only, plain cement concrete pavementm, thickness as perpared sub base, with 43 grade cement or any other type as per clause 15001.2.2 M30 (Grade), coarse an

Supplying Erecting and centering including all other charges

Supplying and fixing of Bitumen pad for expansion joints for every 4m c/c

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

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