CONSTRUCTION OF MINOR BRIDGE ACROSS DHARAPURAM OLD CHANNEL AT LS 13.08 (NN PETTAI) IN DHARAPURAM MUNICIPALITY

Amount

Earthwork excavation in soft desintegrated rock 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 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 DRESSING THE BED UP TO SILL LEVEL.

Earthwork excavation in Soft disintegrated rock not requiring blasting except medium rock 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 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, PIERS AND WINGS.

Vibrated Cement Concrete of Grade M10 (1:3:6 One cement three crused stone sand six aggregate), Nominal Mix, 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 LEVELING COURSE UNDER FOOTINGS as per section 2100 of MORT&H Specifications (Fifth Revision-2013)

Vibrated Cement Concrete of grade M20 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 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 FOOTINGS OF ABUTMENT, PIER AND WINGS BELOW SILL LEVEL.

Vibrated Cement Concrete of grade M20 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 formwork, 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 SUBSTRUCTURE OF ABUTMENTS, WINGS, AND PIERS ABOVE SILL LEVEL.

Vibrated Reinforced Cement Concrete of grade M30 design mix using ISS size HBG graded 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 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, -

Providing and fixing seepage pipes of 100mm dia. 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 drain of 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 work site, labour charges for fixing the same in the correct position and all other incidental charges et., complete.

Vibrated Reinforced Cement Concrete of grade M30 mesign mix using ISS size HBG graded metal including cost and conveyance of all materials to site including cost ofcement at site including cost of formwork, soft water, labour charges for mixing, transporting, laying and curing concrete , working at depths , tools and plants including all other incidental charges etc; complete as per relevant standard specifications, for DECK SLAB.

Providing filter media behind the abutments and wings with clean III graded material 53mm to 5.6mm to 600mm thick and well compacted in layers with smaller sized 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 media as per MOST's (Roads Wing) specifications for Roads and Bridges " Fourth Revision Cl. 309-3-2-13 and 305 -4-4 etc., complete.

Filling behind Abutmants and wings 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 for filling behind the abutment and wings.

Providing and fixing PVC EXPANSION JOINT in between deck slabs over abutment and pier as shown in the drawing including cost and conveyence of expansion joints including shalimar pad and joint sealent etc, complete.

Supply and fabrication of Fe 500 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, Fe 500 grade-1 MT

Vibrated Cement Concrete M15 grade Nominal Mix 1:2:4 using 40mm 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 M30 design mix using ISS 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 Slab

Vibrated cement Concrete M30 design mix using ISS 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.

Vibrated Reinforced Cement Concrete M-40, Grade, Design Mix, using ISS size hard granite broken graded metal including cost and conveyance of all materials to site including cement at site but excluding cost and fabrication of steel, 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 RCC CRASH BARRIERS OVER DECK SLAB.

Vibrated Cement Concrete M15 grade Nominal Mix using 40mm 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 charges,etc.,complete as per standard specification for PCC PARAPET OVER WINGS.

Providing and fixing of cast 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.

Supply and fixing of High Quality of PVC pipes of 160mm dia.. Including cost and conveyance of pipes to the site and fixing in position to proper grade and level, including labour charges for fixing and including all other incidental charges etc complete., for proving utility services in footpaths.

Steel centering for sides and soffits including supports and strutting upto 3.00 M height for plain surface such as RCC slab, rectangular beams,tee or ELL beams lintels,bedblocks,staircase,waist and landing slab,landing beams,canopy etc; with all cross bracibngs using mild steel sheets of size 90cmx60 cmx 10 gauge stiffend with welded mils dteel angels of size 25mmx25mmx6mm for boarding laid over silver oak (country wood) joists of size 10 cmx6.5 spaced at about 90 cm centre to centre and supported by casurina props of 10 cm to 13 cm dia spaced at 75 cm centre to centre etc; complete(s.i. 154-A)TNBP No. Spl.

Footings below sill

Vertical Surface above sill

Dirtwall cum bedblock

Deck slab

Base Course

Approach Slab

Crash barriers

Parapets over wings

Picking up of existing B.T surface and compacting with vibratory roller to achieve the desired density, etc., complete as directed by the Engineer. as per MORTH No. 111, 112, 401, 900.

Providing and laying Wet Mix Macadam Base Course of 250mm thickness in two layers of 125mm each or else as specified on the prepared sub-Base with graded stone aggregate and granular materials of quality size and grading placed in layers as specified including mixing in Base mix plant,spreading in nuiform layer in motor grader and compacting with Vibrating Roller of 80 to 100kN static weight and ffine dressing for required grade and cross slope as shown on the drawing,equipment safety measures, testing and incidentals necessary to complete the work as per Technical Specification Clause 406 and as directed by Engineer.

Proivding and laying of prime coat using Bitumen Emulsion at the rate of 7kg per ten Square Metre over the WMM surface preparatory to another construction over it.

Proivding and laying of Tack coat using Bitumen Emulsion at the rate of 2.50kg per ten Square Metre over the treated WMM surface preparatory to another construction over it.

Providing and laying Dense Bituminous Macadam 50 mm thickness which work shall consist of construction, using crushed aggregates, premixed with VG 30 Grade Bitumen at the rate of 4.00% by weight of the total mix confirming to the aggregates and binder as per the job mix formula in the Hot mix plant, transporiting the mix to the worksite, laying with paver finisher and compaction with smooth wheeld and vibratory roller in accordance with the requirements of the specification and in confirmity with the drawing as directed by the Engineer for DBM (Grade-II) . as per MORTH No. 111, 112, 505, 900.

Providing and laying Bituminous Concrete 30 mm thickness which work shall consist of construction using coarse aggregates premixed with VG 30 Grade Bitumen at the rate of 5.40% by weight of the total mix confirming to the aggregates and binder as per the job mix formula in the Hot mix plant, transporiting the mix to the worksite, laying with paver finisher and compaction with smooth wheeld and vibratory roller in accordance with the requirements of the specification and in confirmity with the drawing as directed by the Engineer for BC (Grade-II) as per MORTH No. 111, 112, 507, 900.