Replacement of OHE traction bridge mast on bridge piers with epoxy grouting and rock anchoring of OHE traction mast in Kalyan and Lonavla district of Mumbai division of Central Railway

A-Non-SOR Items

1 Preparation of designs and drawings for overhead equipment and verification of Purchaser's pegging plans.

2 Supply and grouting of 28/25 mm dia GS rag bolts with all required fittings Rock bolting (variable depth between 450 mm - 1000 mm)

3 Drilling of 50mm dia Holes in RCC having depth up to 800 mm

4 Fabrication and supply of 32/28mm dia bolt having length between 750- 1000 mm with threaded at both ends including nuts lock nuts and washers

5 " Fabrication, galvanisation, supply and fixing of angles of size 130mm x 130mm 12mm having a length of 750 mm as per drawing"

6 Pressure grouting of 50mm dia holes by epoxy grouting

7 "Fabrication, galvanisation, supply and fixing of stools/Extension frame consisting of ISMB/ISMC"

8 Supply and providing of Epoxy mortar on an average thickness of 25mm above bridge piers

9 Earth work excavation in all types of soil/rocks including clearing of rocky area not required blasting

10 Reinforced Cement concreting with M-35 concrete for securing already grouted foundation bolts in rocks"

1 1 Scanning of RCC concrete for identifying steel bar location for core cutting for bridge mast foundation

12 Pull out test of 2 tones for the epoxy filled foundation bolt.

13 "Supply of fabricated steel bridge mast /rock anchoring mast etc"

14 "Erection of bridge mast on via duct/bridge pier cap and rock anchor mast"

15 Breaking of cement concrete foundation

16 "Cutting, removal and stacking of already erected traction mast"

17 Supply and erection of structure bond

18 Supply and erection of longitudinal Bond

19 Supply and erection of Transverse/special bond

20 Supply and erection of earth bus

21Transportation of material