Construction of 103.00 mtrs. Long multi span PSC Box Girder Bridge over Mahadev khad on Ratyor Bodla road at km. 0/552

Amount

Earthwork in excavation for foundation of bridge structure (abutments and piers) in all type of classification of soil by all means comprising of ordinary rock, soft/hard rock, chiseling/wedging out of rock (where blasting is prohibited) as per drawing and in accordance with requirement of MORTH technical specification clause 304 and as per direction of Engineer in charge including seting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal of materials upto all height, all leads and lifts including dressing of sides and bottom including shoring and strutting and pumping, bailing out water (Surface and sub soil water) up to any depth and any quantum of water including cleaning of slush which may arise out during dewatering as per the direction of the Engineer-in-charge including carriage of materials with in all height all leads and lifts and other incidentals. The rates are inclusive of Octroi, Royality, Malkana, Toll tax, GST or other taxes imposed by the government.

Excavation in earthwork in hilly area all heights and depths, in all kind of soil including saturated soil comprising of mixed soil, ordinary rock and hard rock. All work of rock cutting by blasting shall be carried out by taking all necessary precautions against soil erosion, damage to hill side, water pollution, etc. and to protect stability of hill side. Rock shall be excavated with chiseling and wedging out rock (where blasting is prohibited). All earth work in cutting/excavation, including rock excavation shall be carried out true to lines, grades, side slopes, width, camber, super-elevation and level as shown on the drawings or as directed by the Engineer-in-charge, in conformity with the requirement of technical specification for Rural Road, August, 2004 and clause 16.2 of General Conditions for Contract to achieve designed formation width including hauling and stacking of material useful for construction at suitable sites and safe disposal of unsuitable cut materials in specified manner including arrangement of dumping site, trimming, filling of unevenness, blindage and finishing of the road to specified dimensions or as directed by the Engineer-in charge for smooth riding. The recovery for stones, whether useful or not, for 104.53 cum.( Two thousand two hundred seventy five and point fifty nine Cubic Meter ) @ Rupee170/= only(Rupees .One hundred seventy) per cubic meter shall be effected on pro rata basis in all circumstances. Any loss to the public and private property during the course of excavation shall be the absolute responsibility of the contractor, which shall have to be duly compensated by him in all cases

Earth work in excavation for structures in all type of classification of soil by all means in all depths as per drawings and technical specification for Rural road Clause 305.1 specifications (latest edition) including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal in all leads and lifts including dressing of sides and bottom and back filling in trenches with excavated Suitable materials. All work of rock cutting by blasting shall be carried out by taking all necessary precautions against soil erosion damage to hill side water pollution etc. and to protect stability of hill side rock shall be excavated with chiseling and wedging out rock (where blasting is prohibited). All earth work in excavation including rock excavation shall be carried out true to lines grades, side slopes, width, camber super elevation and level as shown on the drawings or as directed by the Engineer-in-Charge. Stacking of materials useful for construction at suitable sites and safe disposal of unserviceable cut materials in specified manner trimming filling of unevenness blind edge and finishing of the road to specified dimension or as directed by the Engineer-in-Charge. If the foundation of the structure is in an area with stagnant water or water is met with in the excavation due to spring seepage rain and other causes it shall be removed by suitable diversion bailing out or dewatering as directed and the area of the foundation or embankment shall be kept dry. Any loss to the public or private property during the course of excavation shall be the sole responsibility of the contractor which shall have to be duly compensated by him at his own cost in all cases.

Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with mix design of 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing including hauling of materials in all leads and lifts as per MORTH Technical specification clause 602 and as per entire satisfaction and direction of Engineer-in-charge.

Providing and laying reinforced cement concrete pipe NP2 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106 including hauling of materials in all leads and lifts as per the entire satisfaction and direction of Engineer-in-Charge.

Providing and laying concrete Mechanically mixed and vibrated PCC nominal mix 1:6.:12 ( One cement: Six sand : Twelve graded stone 40 mm(Forty millimeters) nominal/ reinforced concert in open foundations and plinths or similar works complete as per drawing and technical specification for rural roads , Clause 802,803,1202 and 1203.and curing complete including cost of form work and hauling of materials in all leads and lifts and as per entire satisfaction and direction of Engineer-in-charge.

Providing and laying concrete Mechanically mixed and vibrated PCC nominal mix 1:5.:10 ( One cement: Five sand : Ten graded stone 40 mm(Forty millimeters) nominal/ reinforced concert in open foundations and plinths or similar works complete as per drawing and technical specification for rural roads , Clause 802,803,1202 and 1203.and curing complete including cost of form work and hauling of materials in all leads and lifts and as per entire satisfaction and direction of Engineer-in-charge.

Providing and laying concrete Mechanically mixed and vibrated PCC M-10(Ten) nominal mix 1:3.:6 ( One cement: Three sand :six graded stone 20 mm(Twenty millimeters) nominal/ reinforced concert in open foundations and plinths or similar works complete as per drawing and technical specification for rural roads , Clause 802,803,1202 and 1203.and curing complete including cost of form work and hauling of materials in all leads and lifts and as per entire satisfaction and direction of Engineer-in-charge.

Providing and laying in sub structure reinforced cement concrete M-35 grade cement concrete, using 20 mm and down stone aggregate and approved quality sand mechanically mixed, vibrated and curing complete including the cost of centering and shuttering (Excluding the cost of reinforcement only) complete as per drawing and MORTH technical specifications as per clause 1500, 1700 and 2200. Item to include all materials, labour, machinery/ equipment and incidental work required to complete the job including mechanical transport within all leads, lifts and all depths and as per the direction of Engineer-In-Charge. Measurement shall be made for the actual volume of concrete only

Providing and laying in super structure reinforced cement concrete prestressed M-40 grade cement concrete, using 20 mm (twenty millimeter) and down stone aggregate and approved quality sand mechanically mixed, vibrated and curing complete including the cost of centering and shuttering and staging (Excluding the cost of reinforcement only) for bow string bridge complete as per drawing and technical specifications. Item to include all materials, labour, machinery/ equipment and incidental work required to complete the job including mechanical transport within all leads, lifts and all height and depths and as per the direction of Engineer-In-Charge. Measurement shall be made for the actual volume of concrete only as per clause 1500, 1600 and 1700.

Supplying , fitting and placing HYSD bar reinforcement infoundation and sub-structure complete as per drawing and technical specification including cost of binding wire including all leads and lifts and as per direction and entire satisfaction of Engineer-in-charge as per MORTH Technical specifications clause 1600.

Supplying , fitting and placing HYSD bar reinforcement in super structure complete as per drawing and technical specification including cost of binding wire including all leads and lifts and as per direction and entire satisfaction of Engineer-in-charge MORTH Technical specifications clause 1600.

Supplying, fitting and fixing in position true to line and level POT-PTFE bearing consisting of a metal piston supported by a disc or unreinforced elastomer confined with in a metal cylinder, sealing rings, dust seals, PTFE surface sliding against stainless steel mating surface, complete assembly to be of cast steel/fabricated structural steel, metal and elastomer elements to be as per IRC:83 Parts I and II respectively and other parts conforming to BS:5400, sections 9.1 and 9.2 and clause 2006, 2008 and 2200 of MORT&H specifications complete as per drawing and approved Technical Specifications including mechanical transport within all leads, lifts and as per the direction of Engineer-In-Charge

Furnishing and Placing Reinforced/ Prestressed cement concrete in super-structure as per drawing and Technical Specification clause 1500 &1600 1700 including mechanical transport within all leads, lifts and as per the direction of Engineer-In-Charge

Providing and fixing high tensile steel wires/strands including all accessories for stressing, sheathing layout of cables, fixing of anchorages , stressing operation and grouting complete in all respect at site as per drawing and technical specifications clause 1800 including carriage of material within all leads, lifts and other incidentals complete in all respect.

Providing and laying in reinforced cement concrete M-30 grade cement concrete in approach slab, using 20 mm (twenty millimetre) and down stone aggregate and approved quality sand mechanically mixed, vibrated and curing complete including the cost of centering, shuttering and reinforcement complete as per drawing and technical specifications. Item to include all materials, labour, machinery/ equipment and incidental work required to complete the job including mechanical transport within all leads, lifts and all depths and as per the direction of Engineer-In-Charge. Measurement shall be made for the actual volume of concrete only as per clause 1500,1600,1700 & 2704.

Providing and fixing drainage spout with 100mm (one hundred millimeter) diameter galvanized iron down pipe of required length with typical head of 6mm (six millimeter) thickness mild steel plates flat iron grating including galvanized the complete assembly and providing steps in wearing coat to such as eseteut so as to insure the flow of water in its direction including fixing in wheel guard / deck slab complete in all respect as per drawing and design including mechanical transport within all leads and lifts and as per the direction of Engineer-In-Charge as per clause 2705.

Providing and laying 6 mm thick mastic asphalt wearing course on top of deck slab excluding prime coat with paving grade bitumen VG-10 meeting the requirements given in table 500-29, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 9.5 mm nominal size at the rate of 0.005cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 100 deg. C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 515 & 2702 including mechanical transport within all leads and lifts and as per the direction of Engineer-In-Charge

Providing and laying 50 mm thick mastic asphalt wearing course in two layers of thickness 25mm each with paving grade bitumen meeting the requirements given in table 500-29, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 100 deg. C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 515 & 2702 including mechanical transport within all leads and lifts and as per the direction of Engineer-In-Charge

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement up to 70 mm (seventy millimeter), complete as per approved drawings and standard specifications as per clause 2607 to be installed by the manufacturer/supplier or their authorized representative ensuring compliance to the manufacturer's instructions for installation including mechanical transport within all leads and lifts and as per the direction of Engineer-In-Charge.

Back filling behind (Bridge work) abutment, wing wall and return wall with granular material complete as per the drawings and specifications. Item to include all materials, labour, machinery/ equipment and incidental work required to complete the job including mechanical transport within all leads, lifts and all depths and as per the direction of Engineer-In-Charge. Measurement shall be made for compacted finished volume of the backfilling material as per clause 710.1.4, IRC 78 -2200.

Back filling behind (Road work) abutment, wing wall and return wall with granular material complete as per the drawings and specifications. Item to include all materials, labour, machinery/ equipment and incidental work required to complete the job including mechanical transport within all leads, lifts and all depths and as per the direction of Engineer-In-Charge. Measurement shall be made for compacted finished volume of the backfilling material.

Providing weep holes in brick masonry/plain /reinforced concrete abutment wing wall /return wall with 100mm dia (one hundred millimetre diametre) PVC pipe extended through the full width of the structure with slope of IV :20 H (One vertical isto 20 Horizontal) towards drawing face complete as per drawing and technical MORT&H specification including carriage of material with in all leads and lifts as per clause 614, 703, 1204.3.7.

Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2.including mechanical transport within all leads, lifts and all depths and as per the direction of Engineer-In-Charge.

Preparation of sub grade by dressing to chamber (Earth work fro the cutting involved fro sub grade to be paid fro separately depending upon the classification of soil as per PWD specifications including mechanical transport within all leads, lifts and all depths and as per the direction of Engineer-In-Charge.

Consolidation of sub grade with power road roller including making good the undulation etc. with the quarry soil etc. and re rolling the sub grade complete as per H.P. PWD specification .including mechanical transport within all leads, lifts and all depths and as per the direction of Engineer-In-Charge.

Providing laying spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing rolling with three wheel 80-100 KN static roller in stages to proper grade and camber, applying and brooming stone screening/binding materials to fill- up the interstices of coarse aggregate, watering and compacting to the required density grading-II as per technical specification clause 405 including haulaging of material in all leads, lifts as per the entire satisfaction and direction of Engineer-in-Charge. WBM Grading -I 90mm to 40mm.

Providing laying spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing rolling with three wheel 80-100 KN static roller in stages to proper grade and camber, applying and brooming stone screening/binding materials to fill- up the interstices of coarse aggregate, watering and compacting to the required density grading-II as per technical specification clause 405 including haulaging of material in all leads, lifts as per the entire satisfaction and direction of Engineer-in-Charge. WBM Grading -II 63mm to 45mm.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in unifom thickness, hand packing rolling with three wheel 80-100 KN static roller in stages to proper grade and camber, applying and brooming stone screening/binding materials to fill- up the interstices of coarse aggregate, watering and compacting to the required density grading-III as per technical specification clause 405 including haulaging of material in all leads, lifts as per the entire satisfaction and direction of Engineer-in-Charge. WBM Grading -III (53mm to 22.4 mm size)

Providing and applying primer coat with Bitumen emulsion (SS-I) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 1.00 kg/sqm using mechanical means as per technical specificaion clause 502 including haulaging of material in all leads, lifts as per the entire satisfaction and direction of Engineer-in-Charge.

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rates of 0.30 Kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per technical specification clause 503 . including hauling of material in all leads, lifts as per the entire satisfaction and direction of Engineer-in-charge.

Providing, laying and rolling of open-graded premix carpet of 20 mm to thickness composed of 13.2 mm 5.6 mm aggregate using VG-10 to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant. laying and rolling with a three wheel 80/100 KN static roller capacity, finished to required level and grade to be followed by seal coat of type B as per technical specification clause 508 including haulaging of material in all leads, lifts as per the entire satisfaction and direction of Engineer-in-Charge.

Providing and laying seal coat sealing the voids in bituminous surface laid to the specified levels, grade and cross fall using type B as per technical specification clause 510 including haulaging of material in all leads, lifts as per the entire satisfaction and direction of Engineer-in-Charge. using VG-10

Jai Singh Kashyap