Formation Grouting (Km 412/070-412/110 and Km 412/200- 412/225) and Steel Lining (Km 412/010-412/030 and Km 411/935 -411/945) inside Old Goa tunnel in SEN/MAO Section of Konkan Railway in Goa state (Computer NO:69323)

Two Component PU Grouting for ground improvement or filling of voids and cavities using suitable materials and mixtures, as per IS:4999 specifications or as directed by Engineer-in- 1 Charge. PU Grouting Material shall be Two Component Rapid Setting Poly Urethane Injection Grout with High Foaming Strength, Hydrophobic in nature to stop the high water ingress and fill the Large voids. Material shall be solvent free and environmental safe.) Initial foaming time of PU 2C grout shall be 30 to 45 seconds and final setting shall be more than 120 seconds. Expansion of the grout should be more than 7 times. (Work shall be carried out inside tunnel under traffic block conditions.) Above/

2-SCHEDULE -B (SDA Drilling in formation) 689524.80 Below/P

Supply, drilling, installation and grouting of Self-drilling bolts of the specified length, Fy>= 200 KN (slopes, tunnel support & face bolts) as per approved drawings & specifications or as directed by Engineer. The rate shall include costs of all materials, labour, equipment, etc. required for the complete job as per specifications or as directed by Engineer-in-Charge. Above/

3-SCHEDULE -C (MS Plate Erection ) 2260059.74 Below/P

Execution of 10 mm thickness MS plated structural steel lining to get fit with the surface of the RCC lining of circumferential finished tunnel profile of the endangered zone for a length of 30 mtr as per the drawing and specification supplied by KRCL and as per the direction of the Engineer in charge including loading, unloading , transportation to get special nature of plate 1 bending at approved work shop, cutting , bending , welding anchoring with the existing RCC lining , shifting of the fabricated segments of the structral steel lining in to the tunnel, erection and placement of the segments, to match with the existing tunnel profile and joint welding duly filling the gap in between the plated segments generated by providing groove by the certified welders including contractors own bending, welding and cutting resourced as well as the consumables for the finished item of the work including cost of purchase of structral steel, power Note: Loco & BFR will be facilated at free of cost by KRCL till the completion of structural steel lining Above/

4-SCHEDULE -D (SDA Drilling in Crown) 1989832.78 Below/P

Supply, drilling, installation and grouting of Self-drilling bolts of the specified length, 1 Fy>= 200 KN (slopes, tunnel support & face bolts) as per approved drawings & specifications or as directed by Engineer. The rate shall include costs of all materials, labour, equipment, etc. required for the complete job as per specifications or as directed by Engineer-in-Charge. Work shall be carried out inside tunnel under traffic block conditions. Length 6m Above/

5-SCHEDULE -E ( Provision of 32 mm CPVC Pipes) 23400.44 Below/P

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal 1 stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 32 mm nominal outer dia Pipe Above/

6-SCHEDULE - F (Contact grouting behind steel plates) 3922401.74 Below/P

Supply and inject of single component Solvent free, Eco-friendly hi foaming 1 polyurethane grout to fill the gaps between crown & MS Plate lining in the crown with a foam factor of more than 35 times including transportation and storing with contractors' materials, man power etc with all lead &lifts and as directed by Engineer-In-Charge

Arrangement of scaffolding in MS pipes, clamps, wooden planks etc, for application work at arch portion inside the tunnel Above/

7-SCHEDULE - G ( Fabricated Work Painting ) 254915.84 Below/P

SWRUSSOR-2022 ITEM NO:041260:Painting cleaned plate/composite bridge girders including all scaffolding along with provision of Jhoola / hanging scaffolding ladders etc. where required. Above/

8-SCHEDULE -H ( Provision of stress relief Hole) 51294.95 Below/P

Horizontal and sub Horizontal drilling in all kind of material of dia 76 mm in any inclination with all arrangement. The rate shall include drilling through concrete walls boulders, soil 1 and hard rock , concrete also in presence of water in any depth. The drilling shall be simple rotary. Rate also includes costs of all materials, labour, Equipment's, temporary shuttering / scaffolding that should be required for drilling at any height etc., required for the complete job as per specifications or as directed by Engineer-in-charge. The work shall be carried out under traffic block conditions inside the tunnel. Above/

9-SCHEDULE -I (Providing 70 mm dai PVC Pipes) 15385.55 Below/P

Providing and installing of perforated PVC drainage pipes of 70 mm internal dia pipes in the tunnel as per approved drawings & specifications and as directed by Engineer in Charge. Above/

Hiring of Vibratory Roller 08-10 tonne capacity Above/

11-SCHEDULE -K (Hiring of Excavator, and Labour supply) 279247.45 Below/P

Hiring of JCB for removal of muck from side drains /cuttings etc fo minimum period of 10 hours per day

Supply of unskilled labour for USFD and other works etc. ( Manday is 8 hrs. shift per day.) Above/

12-SCHEDULE -L (Crater Filling Work) 1282974.00 Below/P

Supply o f Breaker (TATA Hitachi 200) f o r braking of boulders in CWD location.as directed by Engineer in charge

Supply of 10mm Aggregate Crater Filling work.as directed by Engineer in charge

Supply of of M Sand at Crater Filling work-as directed by Engineer in charge

Transportation of 10mm Aggregate at Crater Filling work as directed by Engineer in charge Above/

13-SCHEDULE -M (Providing PVC MEMBRENE) 710000.00 Below/P

PVC MEMBRANE 2.00 thick sigle colours black and Yellow, 15 N/Sq.mm

Application of membrane. (Electricity in our scope using a DG set) Above/

14-SCHEDULE -N ( Weep Hole Cleaning ) 492.54 Below/P

Clearing of weep holes in bridges, retaining walls,tunnel portals,tunnel lining etc. Above/

15-CHEDULE -O (Emergency Repair and Drainage work) 114760.86 Below/P

Providing waterproofing the tunnel with Fibre patch WP (water plug) or equivalent specification withh spray application/handpacked method etc., (Fibre patch will be supplied by KRCL or will be paid seperately)

Supply of Fibre patch WP (Water plug) or Equivalent (SS- Quick stop super)

Supplying of 75 mm dia PVC plug bend with connector at site including all ... Running

Supplying joining and fixing PVC pipes with clamps, solvent for joining including cutting and making them in good and fixing etc.. b) 75 mm dia 2.6mm wall thickness.

Item Breakup - 7-SCHEDULE - G ( Fabricated Work Painting )

825.00 181.20 149490.00 specification M&C/PCN/123-11 Note: DFT of each coat shall be 60 microns. Total 149490.00