Construction of Intermediate Lane, Class-A Loading Steel Girder RCC deck composite Bridge of 24m Span at Km. 90 over Kalsiya river on NH-87 (New NH-109) in the State of Uttarakhand (Under Annual Plan 2020-21).

Amount

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres)

Cement Concrete Grade M-15 & M-20 by mechanical means

Dismantling Stone Masonry (Rubble stone masonry in cement mortar)

Prestressed / Reinforced cement concrete grade M-20 & above by mechanical means

Steel work in all types of sections upto a height of 5 m above plinth level excluding cutting of rivet. (Including dismembering)

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. Mechanical Means

Up to 3.0 M.

Above 6.0 M.

Hard rock ( blasting prohibited )

Plain cement concrete in open foundation complete as per drawing and technical specifications. PCC Grade M15

Pain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications. RCC Grade M 25 Using Batching Plant, Transit Mixer and Concrete Pump

Supplying, fitting and placing un-coated HYSD bar reinforcement in foundation complete as per drawing and technical specifications

Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications. RCC Grade M 25 Using Batching Plant, Transit Mixer and Concrete Pump

Up to 5.0 M.

Above 10.0 M.

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and technical specifications

Supplying, fitting and fixing in position true to line and level POT-PTFE bearing tonne consisting of a metal piston supported by a disc or unreinforced elastomer confined within 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 part-I & II respectively and other parts conforming to BS: 5400, section 9.1 & 9.2 and clause 2006 of MoRTH Specifications complete as per drawing and approved Technical Specifications (Including the Cost of Bearing Assembly)

Furnishing and Placing Reinforced cement concrete in super-structure as per drawing and Technical Specification RCC Grade M 35 Using Concrete Mixer For solid slab super-structure

Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications

Supply and fabrication of steel truss bridge as per detailed drawing attached including supply of all structural steel confirming IS 2062 - 2011 required for proper completion of the bridge including ground errection of the bridge all T&P, nuts and bolts, washers and also including supply and fixing of shop rivets required as per drawing, required equipment shall be arranged by the contractor at his own cost which shall be taken back by the contractor after satisfactory execution of the job, the rates shall include ground errection in the workshop and its dismentling after inspection, approval and removing defects, match marking of all parts, numbering and proper stacking in the premises of workshop before cartage to site of work. The work shall be executed in accordance to IS - 1915. The rates shall include cost of all material, its wastage, cutting, bending if required, welding, making holes, shop riveting, labour, T&P etc. required for proper completion of the work. including cost of cartage from workshop to Bridge Site including safe stacking of parts.(FOR 350 BR)

Supply and fabrication of steel truss bridge as per detailed drawing attached including supply of all structural steel confirming IS 2062 - 2011 required for proper completion of the bridge including ground errection of the bridge all T&P, nuts and bolts, washers and also including supply and fixing of shop rivets required as per drawing, required equipment shall be arranged by the contractor at his own cost which shall be taken back by the contractor after satisfactory execution of the job, the rates shall include ground errection in the workshop and its dismentling after inspection, approval and removing defects, match marking of all parts, numbering and proper stacking in the premises of workshop before cartage to site of work. The work shall be executed in accordance to IS - 1915. The rates shall include cost of all material, its wastage, cutting, bending if required, welding, making holes, shop riveting, labour, T&P etc. required for proper completion of the work. including cost of cartage from workshop to Bridge Site including safe stacking of parts.(FOR 250 BR)

Erection of Steel Truss (Girder) Bridge (up to 60m span) as per drawing with required camber including cartage of fabricated parts from the place of stack near site including submission of launching plan by the contractor, (duly vetted by a recognised reputable institution/ consultant if required) and approved by the engineer-in-charge. Service bolts to used shall be of approved make. The rate including of cost of all labour, T&P, equipments, civil work and consumables, cost of arranging, fabricating, errecting and dismantling of erection scheme including the cost of its designing, revising, supervision by contractor's designeer at site during erection, also including cost of all safety measures and necessary insurances of bridge and labours for proper completion of the work as per MORTH specification no. 1905 with due regard of mansoon and as per directions of the engineer-incharge.

Drainage Spouts complete as per drawing and Technical specification

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

PCC M15 Grade leveling course below approach slab complete as per drawing and Technical specification

Reinforced cement concrete (M-30) approach slab including formwork but excluding reinforcement steel, complete as per drawing and Technical specification

Providing and laying of strip seal expansion joint catering to maximum horizontal movement upto 70 mm ( complete as per approved drawings and standard specifications ) to be installed by the manufacturer / supplier or their authorised representative ensuring compliance to the manufacturer's instructions for installation

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specifications

Painting on Steel Surfaces Providing and applying two coats of readymix paint of approved brand on steel suface after through cleaning of surface to give an even shade.

Supply and Fixing of 24 / 20 mm dia P.F. make 10.90 grade HSFG High Strength Friction Grip Bolt to IS 3757:1985 latest to grade 10.9S with High Strength Friction Grip nut to IS 6623:2004 latest to grade 10S and high Strength Friction 2 No. washer including cost of all material, Labour, Fixing at site, all taxes, T&P etc required foe Proper completion of the work (24 / 20 X 150mm)

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and technical specification.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification Granular material

Providing & Fixing 25 mm dia 1.80 m. long rock anchoring including supply of all materials T & P etc Complete in all respect.

Carrying Out Cofirmatory boring at site at both the foundation location, testing Soil / rock samples and Load Testing Provide sub surface investigation report as per the IRC/BIS codal Provision

Approch work

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work.) Manual Means (Depth upto 3 m) ordinary Soil

Concrete with cement, coarse sand and 40 mm gauge stone ballast in proportion 1:4:8 in foundations and floors including supply of all material, labour and T&P etc. required for proper completion of the work. as per drawings and technical specifications Clause 802, 803, 1202 & 1203

Random Rubble Stone Masonry laid in 1:6 cement and sand mortar, in breast walls, retaining walls, parapets, scuppers, etc. including supply of all material, labour, T&P and royaltiies etc. complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203 of MORD Specifiction

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications PCC Grade M 20 Using Concrete Mixer

Hand Packed stone filling in back of wallls including cost of all materials, royality, T&P etc. complete as per direction of Engineer-in- charge. (As per PWD Uttarakhand specifications)

Protection work

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work.) Manual Means (Depth upto 3 m) ordinary Soil

Plain cement concrete in open foundation complete as per drawing and technical specifications PCC Grade M 20 Using Concrete Mixer

Providing and Laying of Mechanically Woven Double Twisted Hexagonal shaped Gabions (Zinc plus PVC coated), of size 3mX1mX1m with two diaphragms at 1m interval, having mesh opening 100mmx120 mm, mesh wire diameter 2.7mm/3.7mm, edge/selvedge wire diameter 3.4/4.4 mm and lacing wire diameter 2.2/3.2 mm. (The work includes filling boulders in the gabions).

Umashankar Singh Rawat