RENOVATION OF SUSPESION BRIDGE AT CHEMMAPPILLY KADAVU THRISSUR DIST

Amount

PROTECTION WORKS TO COLUMN

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size) Cement make: Use Malabar cement only as per Govt. direction and in case of non availabilty of Malabar cement use Ultra Tech, Dalmia, Ramco or eq. brand in the order of preference.

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:Cement mortar 1:6 (1 cement : 6 coarse sand)

51.2.3 : Filling with Quarry Muck Filling up low lying and water logged areas with local material/ quarry muck, spreading in layers, leveling the top at site and consolidation by ramming, etc complete for improving the CBR value of subgrade.

5.1.2 : Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size.

5.9.1 : Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete. (Centering and shuttering for different category of work may be considered separately.)

5.22.6 : Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth level Thermo - Mechanically Treated bars of grade Fe-500D or more. Make: Tata,Vaishak, SAIL, JSW or eq primary make in the order of preference.

Filling with contractor's own earth ( excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m as per direction of site Engineer-in-charge.

CLEANING AND DISMANTLING OF THE RUSTED STRUCTURAL PARTS

Cleaning of rust over the structures using metal wool and rust cleaning compuound and make the structure ready to paint including cost of all material labour etc complete.

Dismantling Rusted structural steel sections in angles, tees, flats and channels including all gusset plates,boltd, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead.

STRUCTURAL RECTIFICATION WORKS

Fabrication, erection and commissioning of Structural steel in IS2062 Grade and accessories as per approved specifications, drawings and directions of deptl officer at site including cost of labour , machinery , incidental and handling charges etc complete but excluding cost of material already supplied.

Hot-dip galvanizing in accordance with ASTM specifications(ASTM A123) for the fabricated structural steel for bridge structures as per approved specifications and directions of deptl officer including cost all materials, mechinary, labour, transportation, loading unloading charges for fixing handrails and allied works etc complete but excluding cost of fabricated structural material already supplied.

FINISHING WORKS

: Pointing on stone work with cement mortar 1:3 ( 1 cement : 3 fine sand):Raised and cut pointing.

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work. Make: Asian, Berger, Nerolac or eq. in the order of pref.

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On concrete work. Make: Asian, Berger, Nerolac or eq. in the order of pref.

Application of cardium compound over wire rope, pulley , site clearance etc

OPTIONAL

Supply of MS plates confirming to IS 2062 GrB including cost of conveyance charges. Make: Tata,Vaishak, SAIL, JSW or eq primary make in the order of preference.

Supply of MS Tees, Angles, Joists, ISMB, ISMC confirming to IS 2062 GrA/B including cost of conveyance charges. Make: Tata,Vaishak, SAIL, JSW or eq primary make in the order of preference.

Supply of MS checquered plates including cost of conveyance charges.

Supply of MS flats including cost of conveyance charges.

Supply of MS round bar including cost of conveyance charges.

Note :1 All materials, Items, Equipment shall be best branded items with IS and approved by client/KEL

2:Rate should be inclusive of installation, testing and commissioning cost for all items

3.Rate should be Exclusive of GST.

4.Work should be executed as per DSR/PWD/Irrigation Dept. specification and direction of Engineer at site.