Rehabilitation of the damaged bearing and expansion joints of Athipattu ROB at Km 2/530 of NCTPS road (RHS)

Amount

Synchronized lifting of the span of bridge for rectification of the existing bearings including all hire charges and running expenses, transportation charges of all plants, jacks, power pack machines and required equipments, required technicians, labour, temporary supports with teak wood blocks/sleepers of suitable size and Mild steel plates of suitable thickness in two numbers under diaphragms (end) of each span on two piers/abutments at the same time for keeping the superstructure in the lifted position on supports of jacks till completing the bearing changing operation, lowering of superstructure on bearings, without causing any detrimental effect to any part of the bridge, but excuding cost of bearings etc., complete as per standard specifications 2810.2. of MoRTH for the spans A1 - P1 , P2 - P3 & P3 - A2

Rectification of the existing POT-PTFE Bearings by lifting of girder to required height and removing of Damaged existing POT- PTFE elastomeric bearings, Sealing Rings, Dust seal and Round top sheet and replacing of POT PTFE Bearing Accessories for elastomeric bearings, Sealing Rings, Dust seal and Round top sheet and lowering the girder in position of bearings etc. including cost of all accessories and labour charges for fixing in position as directed by the Engineer-incharge and all other incidental charges etc complete as per clause 2006 of MoRTH for spans A1 - P1, P2 - P3 & P3 - A2

Lifting of girder to required height and Drilling of holes in Girder Bottom flange and Base plate and Supplying and fixing of new SS Bolt/Nuts for joining the Girder Bottom and POT PTFE Free & Fixed Bearing plates in all Four sides of the Span and lowering the girder in position of bearings as directed by the Engineer - incharge etc., complete for spans A1 - P1, P1 - P2, P2 - P3 & P3 - A2

Painting all the metallic POT PTFE bearing parts to protect against corrosion by Epoxy Painting according to EN 1337-9 (other protective coatings are available as your requirements)–cleaning, rust removing ,rubbing and apply the epoxy painting, Supply and apply of Grease in POT PTFE bearings Bolt/nuts etc., complete as directed by the Engineer- incharge for spans A1 - P1, P1 - P2, P2 - P3 & P3 - A2.

Rectification of the damaged existing stripseal expansion joints by replacing the damaged assembly except steel edge beam and fixing in position between deck and dirt wall including cost of all materials, all labour charges and other incidental charges etc complete as per clause 2600 of MoRTH specifications for spans A1 - P1, P1 - P2, P2 - P3 & P3 - A2

JD ENTERPRISES