SCHEDULE OF RATES



 WRD: 6. TUNNEL AND ALLIED WORKS 

SCHEDULE OF RATES FOR THE YEAR : 2018-19

Item no. Brief description of work Unit Basic rates
1 2 3 4
  EXCAVATION WORKS :    

WRD:

6.1.

Excavation for adit by tunnelling methods in all types of rock including cost of all materials, machinery, labour, ventilation, lighting, drainage, scaling excavated surface, removing and hauling excavated muck utside adit upto specified dump area and all other ancillary operations etc., complete with lead upto 500 m and all lifts. cum 1993.00

WRD:

6.2.

Excavation for vertical / inclined shaft in all types of soft / hard rock including cost of all materials, machinery, labour, ventilation, lighting, drainage, scaling excavated surface, removing and hauling excavated muck outside shaft upto specified dump area and all other ancillary operations etc., complete with lead upto 1 km and all lifts. cum 2579.00

WRD:

6.3.

Excavation for tunnel by tunnelling methods in rock not requiring supports including cost of all materials, machinery, labour, ventilation, lighting, drainage, scaling excavated surface, removing under-cuts,
removing and hauling excavated muck outside tunnel upto specified dump area and all other ancillary operations etc., complete with lead upto 1 km and all lifts. Note: Where mucking is to be carried out through vertical or inclined shaft using winch and mucking tub arrangement increase the basic rate per cum by 8.00 percent.
cum 2086.00

WRD:

6.4.

Excavation for tunnel by tunnelling methods including excavation for supports in all types of soil / rock strata requiring supports ( excluding cost of providing supports) including cost of all other materials,labourmachinery,
machinery,ventilation, lighting, drainage, scaling excavated surface, removing and hauling excavated muck outside tunnel upto specified dump area and all other ancillary operations etc., complete with lead upto 1 km and all lifts. Note: Where mucking is to be carried out through vertical or inclined shaft using winch and mucking tub arrangement increase the basic rate per cum by 8.00 percent.
cum 2186.00

WRD:

6.5.

Excavation for tunnel by heading and benching method of tunnelling including excavation for supports in all types of soil/rock strata requiring supports ( excluding cost of providing supports ) for roof portion before benching including cost of all other materials, machinery, labour, ventilation, lighting, drainage, scaling excavated surface, removing and hauling excavated muck outside tunnel upto specified dump area and
all other ancillary operations etc., complete with lead upto 1 km and all lifts.  Note: Where mucking is to be carried out through vertical or inclined shaft
using winch and mucking tub arrangement increase the basic rate per cum by 8.00 percent.
cum 2312.00

WRD:

6.6.

Removing and hauling muck overfallen due to natural causes such as geological faults etc., out of tunnel including cost of all materials, machinery, labour, ventilation, drainage, lighting, breaking any large rock fragments if necessary by blasting with all other ancillary operations and disposing off the same in and specified dump area or as directed etc., complete with lead upto 1 km and all lifts. cum 353.00    
  DEWATERING & GUNITING WORKS :    

WRD:

6.7.

Dewatering tunnel by pumping out water collected by natural drainage inside tunnel including cost of all materials, machinery, labour,ventilation, lighting, drainage, providing sump and all other ancillary operations wherever necessary etc., complete kwhr . 33.50
WRD:6.8. Providing 25 mm thick guniting to sides and arch of tunnel in CM 1 : 3 proportion by weight including cost of all materials, machinery, labour, ventilation, lighting, drainage and all other ancillary operations etc., complete with lead upto 1 km and all lifts. sqm 669.00
  TEMPERARY & PERMANENT SUPPORTS :    

WRD:

6.9.

Providing and fixing 25 mm dia. steel rock bolts with one end provided with mechanical / wedge type anchorage and other end provided with threads for fixing washers and nuts including cost of all materials, machinery,labour, ventilation, lighting, drainage, drilling 32 mm dia holes, providing 150 mm long 20 mm thick steel tapered wedge, providing 10 mm thick and 200 x 200 mm size plate washer and nuts, driving bolt, fixing washers and nuts, tightening bolt by torque wrench and all other ancillary operations etc., complete with lead upto 1 km and all lifts. Rm 1188.00

WRD:

6.10.

Providing and fixing 25 mm diameter steel rock bolts with resin bond cement capsule anchorage including cost of all materials, machinery, labour, ventilation, lighting, drainage, drilling 32 mm dia holes, threading
one end of bolt for fixing nuts, inserting grout capsule, driving bolt, fixing 10 mm thick 200 x 200 mm size plate washers and nuts, tightening the nuts by torque wrench after hardening of cement grout, and all other ancillary operations etc., complete with lead upto1 km and all lifts.
Rm 1202.00

WRD:

6.11.

Providing, fabricating and fixing in position permanent structural steel supports as per details including cost of all materials, machinery, labour, cutting, bending, welding, grinding, ventilation, lighting, drainage and all other ancillary operations etc., complete with lead upto 1 km and all lifts. tonne 96990.00

WRD:

6.12.

Providing, fabricating and fixing in position temperary structural steel supports as per details and dismantling and conveying the same to other place or outside the tunnel before concreting including cost of all materials, machinery, labour, ventilation, lighting, drainage, cutting, bending, welding, grinding, and all other ancillary operations etc., complete with lead upto 1 km and all lifts. tonne 26280.00

WRD:

6.13.

Providing and fixing hard variety cut jungle wood for lagging / blocking locations in tunnel wherever required including cost of all materials, machinery, labour, ventilation, lighting, drainage, fixing in position etc., complete with all leads and lifts. cum 49710.00
  MASONRY WORKS :    
WRD:6.14. Providing and constructing un-coursed rubble stone masonry using approved stones from tunnel excavated muck in CM 1 : 6 proportion by volume for back-filling over cuts / slips on tunnel sides due to geological faults etc., including cost of all materials, machinery, labour, ventilation, lighting, drainage, cleaning, scaffolding, batching and mixing mortar, packing mortar and wedging stone chips into joints, curing, etc., complete with lead upto 1 km and all lifts. cum 3779.00 Note: Rubble stones and stone chips from tunnel excavation for masonry shall be issued at dump yard at specified issue rates .    
  REINFORCEMENT & CONCRETE WORKS :    

WRD:

6.15.

Providing, fabricating and placing in position reinforcement steel for tunnel RCC works including cost of all materials, machinery, labour, ventilation, lighting, drainage, cleaning, straightening, cutting, bending, hooking, lapping / welding joints wherever required, tying with 1.25 mm dia. soft annealed steel wire, etc., complete with lead upto 1 km and all lifts. tonne 79290.00

WRD:

6.16.

Providing and laying insitu vibrated M-10 ( 28 days cube compressive strength not less than 10 N / sq mm ) grade cement concrete using 40 mm down approved, clean, hard, graded aggregates crushed from
tunnel excavated rock for filling and levelling over cuts in bed due to geological faults etc., including cost of all materials, machinery, labour, ventilation, lighting, drainage, cleaning bed, batching and mixing concrete, conveying upto placing point in agitator car, placing in position, levelling, compacting, finishing, curing, and all other ancillary operations etc., complete with lead upto 1 km and all lifts. ( Cement content: 220 kg / cum with use of super plasticiser )  Note: Rubble stones and stone chips from tunnel excavation for crushing coarse aggregate shall be issued at dump yard at specified issue rates .
cum 6013.00

WRD:

6.17.

Providing and laying insitu vibrated M-20 ( 28 days cube compressive strength not less than 20 N / sqmm ) grade cement concrete using 40 mm down approved clean, hard, graded aggregates crushed from
tunnel excavated rock for kerb and bed lining including cost of all materials, machinery, labour, ventilation, lighting, drainage, formwork, batching and mixing concrete, conveying upto placing point in agitator car, placing in position, levelling, vibrating, finishing, curing, and all other ancillary operations etc., complete with lead upto 1 km and all lifts. ( Cement content : 270 kg / cum with use of super plasticiser )  Note: Rubble stones and stone chips from tunnel excavation for crushing coarse aggregate shall be issued at dump yard at specified issue rates.
cum 6863.00

WRD:

6.18.

Providing and laying insitu vibrated M-20 ( 28 days cube compressive strength not less than 20 N / sqmm ) grade cement concrete using 40 mm down approved clean, hard, graded aggregates crushed from
tunnel excavated rock for sides and arch lining including cost of all materials, machinery, labour, ventilation, lighting, drainage, formwork, rail mounted shuttering gantry, batching and mixing concrete, conveying upto placing point in agitator car, placing in position using placer pump, levelling, vibrating, finishing, curing, and all other ancillary operations etc., complete with lead upto 1 km and all lifts. ( Cement content:
300 kg / cum with use of super plasticiser ).  Note: Rubble stones and stone chips from tunnel excavation for crushing coarse aggregate shall be issued at dump yard at specified issue rates.
cum 7348.00
  DRILLING & GROUTING WORKS :    

WRD:

6.19.

Drilling 35 mm diameter grout holes in concrete / rock by percussion drilling using jack hammer or stooper drills as directed to specified depth for consolidation / contact grouting including cost of all materials, machinery, labour, ventilation, lighting, drainage, cleaning holes, and all other ancillary operations etc., complete. Rm 442.00

WRD:

6.20.

Grouting cement slurry in grout holes under specified pressure for consolidation / contact grouting including cost of all materials, labour, machinery, ventilation, lighting, drainage, redrilling wherever necessary, and other ancillary operations etc., complete with lead upto 1 km and all lifts. tonne 12280.00

WRD:

6.21.

Drilling 75 mm diameter drainage holes vertical or inclined in rock / concrete in tunnel by percussion drilling using waggon drill or other suitable drilling equipment including cost of all materials, machinery, labour, ventilation, lighting, drainage etc., complete. Rm 383.00

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