Name of Work : -Replacement of POT PTFT bearings and other work of ROB on Hindaun Bypass on Mahwa Hindaun Karauli road (On Risk & Cost of contractor)
Sl. No.
Item Description
1
Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per technical specification including subsequent cutting/ removal and sealing of the holes as necessary of nipples after completion of grouting with: Epoxy grout [MoRTH Specification: Clause: 2803]
2
Sealing of cracks by injection process through nipples complete with material and labour as per drawing and technical specification [MoRTH Specification: Clause:2803] Epoxy grout
3
Replacement of POT-PTFE complete as per Technical Specification including Lifting of superstructure span by jacking up from below i.e. by placing the jacks on pier/abutment caps for all span length, 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 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.
4
Replacement of Expansion Joints complete as per standard drawings of MoRTH complete as per specification including removal of old damaged expansion etc.
5
Applying pre-packed cement based polymer mortar of strength 45 Mpa at 28 days for replacement of spalled concrete including removal of old damaged concrete and all arrangement for applying it complete as per MoRTH specifications.
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