CONSTRUCTION OF 3.80 KM INTERNAL ROADS (ROAD COMMUNICATION) FOR DIVERSION OF SERI NALLAH AWAY FROM ATAL TUNNEL, ROHTANG UNDER PROJECT YOJAK IN THE STATE OF HIMACHAL PRADESH

Amount

FORMATION WORKS

Rough excavation in soil/soil mixed with small boulders, getting out and disposing all excavated material lead upto 6 m and upto 1.5 m deep (75% machine and 25% by manual labour) as per specifications as directed by Engineer-in-Charge and OC Contract.

Rough excavation in hard rock by drilling with compressor, blasting and getting out including stacking of serviceable material & disposal of unserviceable material lead upto 6 m and not exceeding 1.5m deep (75% by machine & 25% by manual labour as per specifications as directed by Engineer-in-Charge and OC Contract.

Earthwork in embankment by filling with earth free from roots etc. spreading in layers not exceeding 30 cm including watering and finishing to required slope & level not exceeding 1.5 m high above the base in ordinary soil in hill roads where cut & fill method is adopted as per specifications as directed by Engineer-in-Charge and OC Contract.

Disposal of excavated earth with vehicle for 6.50 Km lead as per specifications as directed by Engineer-in-Charge and OC Contract.

Unlined drains of any shape in SMB cut to reqd gradient average cross sectional area of 0.50 sqm incl. disposing surplus soil within a lead of 10 m, ramming & dressing shoulders as per specifications as directed by Engineer-in-Charge and OC Contract.

Unlined drain of any shape in HR cut to required gradient average sectional area of 0.50 sqm including disposing surplus soil within a lead of 10 m and dressing shoulder as per specifications as directed by Engineer-in-Charge and OC Contract.

SURFACING WORKS

Preparation of sub-grade in SMB by excavating upto 20 cm avg depth, dressing excavated earth to required camber or super elevation and consolidating with power roller incl watering & disposal of surplus earth within a lead of 30 mtr as per specifications as directed by Engineer-in-Charge and OC Contract.

GSB 10 cm thick (compacted) with stone aggregate conforming to grading No I as per Tables-400-1 of MORT&H specifications for Road and Bridge Works including supply of material, watering and compaction all complete as per specifications as directed by Engineer-in-Charge and OC Contract.

WBM 75 mm consolidated thickness of stone metal size 63 mm to 45 mm, grading No 1, as per Table-400-9 with type 'A' screening as per Table 400-10 and satisfying the physical requirement as per Table-400-8 of MORT&H specifications, spread, rolled, hollow made up to form true surface blinded and compacted to gradient and camber required all as per specifications as directed by Engineer-in-Charge and OC Contract.

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer @ 7.50 Kg per 10 sqm as per specifications as directed by Engineer-in-Charge and OC Contract.

Providing and applying tack coat with bitumen VG-10 using bitumen pressure distributor @ 2.5 Kg/10 Sqm on prepared bituminous/granular surface cleaned with mechanical broom, all complete as per clause 503 of MoSRT&H specifications as directed by Engineer-in-Charge and OC Contract.

Preparing of WBM surface including scrubbing, cleaning, laying and compacting pre-coated stone chips 0.343 cum (13.2 mm - 0.229 cum-passing 22.4 mm sieve and retained on 11.2 mm sieve and 11.2 mm - 0.114 cum-passing 13.2 mm sieve and retained on 5.6 mm sieve) mixed with 18.25 Kg/10 sqm of binder (VG-10) and providing liquid seal coat by applying bitumen @ 9.8 Kg/10 sqm of road surface and binded with stone chips (6.7 mm size) 0.09 cum/10 sqm and rolling complete, compacted thickness 25 mm. as per specifications as directed by Engineer-in-Charge and OC Contract.

PERMANENT WORKS

Excavation in trenches not exceeding 1.2 m width and 1.5 m depth in soil/soil mixed with boulders (SMB), including dressing bottom and sides getting out and disposing all excavated material lead upto 6 m and lift upto 1.5 m as per specifications as directed by Engineer-in-Charge and OC Contract.

Hard core comprising of broken road metal size 5 cm graded downwards spread in layers not exceeding 15 cm including watering,ramming and finishing to required level and gradient including cost of stone metal as per specifications as directed by Engineer-in-Charge and OC Contract.

Plain cement concrete 1:4:8 (1 cement: 4 sand: 8 stone aggregate of size 4cm graded downwards) in foundation or elsewhere (excluding the cost of centering/shuttering) as per specifications as directed by Engineer-in-Charge and OC Contract.

Plain cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 stone aggregate size 4cm graded downwards) in foundation or elsewhere (excluding the cost of centering/shuttering) as per specifications as directed by Engineer-in-Charge and OC Contract.

Plain cement concrete 1:2:4 (1cement: 2 coarse sand: 4 stone aggregate size 4cm graded downwards) in foundation or elsewhere (excluding the cost of centering/shuttering) as per specifications as directed by Engineer-in-Charge and OC Contract.

Random / Polygonal rubble walling in cement mortar (1:6) brought to course 45 cm high, well bonded (material and labour) as per specifications as directed by Engineer-in-Charge and OC Contract.

Random or polygonal rubble walling in cement mortar (1:4) brought to courses 45 cm to 60 cm high (material and labour) as per specifications as directed by Engineer-in-Charge and OC Contract.

Centering/Shuttering (Steel) including strutting, propping and removal of formwork as per specifications as directed by Engineer-in-Charge and OC Contract.

Providing/laying of weep holes of size 4"x4"x1 Mtr using PVC pipe 4" dia with PCC 1:4:8 as per specifications as directed by Engineer-in-Charge and OC Contract.

Cost of Hume Pipe NP-4, 2.5 mtr length and 90 cm internal diameter conforming to IS:458

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