Upgradation and Diversion of SBS Road from CWC Point to Bridge Point at Kayum (7.39 km) in Upper Dzongu in North Sikkim.

Amount

UPGRADATION OF 3.39KM SBS ROAD FROM TAKEOFF POINT CWC TO PROPOSE DIVERSION ROAD NEAR MANTAM,( OM-3390M) IN UPPER DZONGU,NORTH SIKKIM.

HILL CUTTING

Excavation in hilly area in ordinary rock not requiring blasting by mechanical means including cutting and trimming of slopes and disposal of cut material with all lift and lead

Throwing of spoil by mechanical means obtained from hill cutting

PROTECTIVE WORKS

Earthwork in excavation in all kinds of soils in foundation trenches including dressing of all sides, watering and ramming including disposal of excavated earth up to 30m lead and lift up to 1.5m, disposed earth to be leveled and neatly dressed as per the direction of Engineer - in - charge all complete.

Excavation in hilly areas in hard rock requiring blasting, by Manual means including trimming of slopes and collection of 40% of cut material and disposal of rest of the materials with all lifts and lead upto 50 meters.

Providing and laying. coarse Rubble Stone Masonry in 1:4:8 c.c. ( 1 cement, 4 sand, 8 clean hard graded stone chips of size 40mm and down) including bond stone, through stone of size 150mm x 150mm x 450mm manufactured in 1:4:8 (1cement, 4 clean coarse sand, 8 clean hard stone aggregate of size 40 mm and down), and curing etc, complete as per the direction of Engineer in Charge

Providing and Laying Plum concrete in 1:2:4 c.c. (1cement, 2coarse sand, 4clean hard graded stone chips of 20 mm down nominal gauge) with 70% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing complete, as per the direction of Engineer in Charge.

CRASH BARRIER

Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 810)

DRAINAGE WORKS

Providing box drain of 30 cm (ht) x 45 cm (width) internal dimension with 1:2:4 Plum concrete (20mm & down) in side walls thickness of 23 cm (hill side) and 30 cm (road side) and 1:3:6 (20 mm & down) base concrete of thickness of 15 cm with standard specification over 15 cm stone soling including providing & laying guard stones complete, as per the direction of the Engineer in Charge.

Providing box drain of 60 cm (ht) x 45 cm (width) of internal dimension with 1:2:4 Plum concrete (40mm & down) side wall thickness of 23 cm (hill side) and 30 cm (road side) with1:3:6 (20 mm & down) base concrete of thickness of 15 cm with standard specification over 15 cm stone soling including providing & laying guard stones, complete as per the direction of the Engineer-in-Charge.

CROSS DRAIN ( 9 nos)

Earthwork in excavation in all kinds of soils in foundation trenches including watering and ramming, disposing etc all complete.

Providing and laying cement concrete in 1:2:4 mix including curing compaction etc all complete.

Providing and Laying Plum concrete in 1:2:4 c.c. with 50% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing etc complete.

Providing and laying in position 1:1.5:3 RCC including compacting, curing etc, complete.

Supplying, bending and placing in position tor steel reinforcements in all RCC works including cost of binding wires etc all complete

Providing, fixing and removing of form works for RCC works with locally available timber all complete.

CULVERT 3 m Span (8 Nos)

Earthwork in excavation in all kinds of soils in foundation trenches including watering and ramming, disposing etc all complete.

Providing and laying cement concrete in 1:2:4 mix including curing compaction etc all complete.

Providing and Laying Plum concrete in 1:2:4 c.c. with 50% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing etc complete.

Providing and laying in position 1:1.5:3 RCC including compacting, curing etc, complete.

Supplying, bending and placing in position tor steel reinforcements in all RCC works including cost of binding wires etc all complete

Providing, fixing and removing of form works for RCC works with locally available timber all complete.

parapet

Providing and Laying 12mm thick cement plasters in 1:3 mix including curing etc complete.

PAVEMENT WORKS

Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres.

Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement.

Compacting original ground supporting subgrade (Loosening of the ground upto a level of500 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of table 300-2 for subgrade construction.)

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.) WBM-I

Wet Mix Macadam (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.)

Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate shown in 500-1 using mechanical means.)

Bituminous Macadam (Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction)

Tack coat (Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at required rate on the prepared bituminous/granular surface cleaned with mechanical broom.)

Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 509 complete in all respects)

CONSTRUCTION OF 1.5KM ( 3390M-4890M) DIVERSION ROAD AT NEAR MANTAM IN UPPER DZONGU NORTH SIKKIM .

Hill Cutting works

Excavation in soil in hilly area by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with all lifts and lead

Excavation in hilly area in ordinary rock not requiring blasting by mechanical means including cutting and trimming of slopes and disposal of cut material with all lift and lead

Excavation in hilly areas in hard rock, by Manual means including trimming of slopes and collection of 40% of cut material and disposal of rest of the materials with all lifts and lead

PROTECTIVE WORKS

Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

Providing and laying. coarse Rubble Stone Masonry in 1:4:8 c.c. ( 1 cement, 4 sand, 8 clean hard graded stone chips of size 40mm and down) including bond stone, through stone of size 150mm x 150mm x 450mm manufactured in 1:4:8 (1cement, 4 clean coarse sand, 8 clean hard stone aggregate of size 40 mm and down), and curing etc, complete as per the direction of Engineer in Charge

PAVEMENT WORKS

Preparation and Surface Treatment of formation. (Preparation and surface treatment of formation by removing mud and slurry, watering to the extent needed to maintain the desired moisture content, trimming to the required line, grade, profile and rolling with 8-10 tonne smooth wheeled roller, complete as per clause 310.)

Compacting original ground supporting subgrade (Loosening of the ground upto a level of500 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of table 300-2 for subgrade construction.)

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.)

Grading-I

Grading-II

Grading-III

Wet Mix Macadam (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.)

Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate shown in 500-1 using mechanical means.)

Bituminous Macadam (Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, tra

Tack coat (Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at required rate on the prepared bituminous/granular surface cleaned with mechanical broom.)

Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 509 complete in all respects)

DRAINAGE WORKS

Providing box drain of 45cm x 30cm internal dimension in 1:2:4 plum concrete with standard specification including providing & laying guard stones as per the direction of the Engineer-in-charge, all complete.

CROSS DRAIN (9 Nos)

Providing and lying Cross drain of 100 cm (ht) x 75 cm (width) internal dimensioR.C.C slab i/c shuttering etc all complete ( to be paid as per actual measurement)

Earthwork in excavation in all kinds of soils in foundation trenches including watering and ramming, disposing etc all complete.

Providing and laying cement concrete in 1:2:4 mix including curing compaction etc all complete.

Providing and Laying Plum concrete in 1:2:4 c.c. with 50% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing etc complete.

Providing and laying in position 1:1.5:3 RCC including compacting, curing etc, complete.

Supplying, bending and placing in position tor steel reinforcements in all RCC works including cost of binding wires etc all complete

Providing, fixing and removing of form works for RCC works with locally available timber all complete.

CONSTRUCTION OF 30M SPAN 70R LOADING SINGLE LANE STEEL BRIDGE OVER SAMROO KYONG(RIVER) UNDER 1.5KM DIVERSION ROAD NEAR MANTAM ALONG SBS ROAD,IN UPPER DZONGU NORTH SIKKIM.

CIVIL WORK

Excavation for Structures:-

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Hill cutting:-

Excavation in soil in hilly area by manual means including cutting and trimming of side slopes and disposing of excavated earth with all lifts and lead upto 50 meters.

Excavation in Hilly Areas in Hard Rock Requiring Blasting

Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

Providing and Laying cement concrete in 1:2:4 mix (1 cement, 2 coarse sand, 4 graded stone aggregate of 20mm & down size) including compacting curing etc all complete.

Providing and Laying reinforced cement concrete in 1:1.5:3 mix (1cement, 1.5 coarse sand, 3 graded stone aggregate 20mm and down nominal gauge) excluding the cost of form work, finishing and reinforcements.

Supplying, bending and placing in position tor steel reinforcement in all R.C.C works including cost of binding wires, all complete.

Providing and Laying wearing coursed M-25 including carrying etc all complete.

Providing, fixing & removing form work for casting R.C.C items with locally available timber)

Providing, fixing & removing form work for casting R.C.C items as indicated below: with imported timber from outside the state)

Providing weep holes in brick mansonry/Plain/Reinforcement concrete abutment,wing wall/return wall with 100mm dia AC pipe,extending through the full width of the structure with slope of 1V:20H towards drawing foce.Complete as per drawing and Technical specifications.

Providing and Laying 15mm thick cement plaster of 1:3 mix in single coat including finishing even and smooth and curing etc all complete.

Providing and laying parapet of 45cm height, 30 cm top and 45 cm bottom on 1:2:4 (1cement, 2coarse sand, 4clean hard graded stone chips of 20 mm down nominal gauge) plum concrete and plastering with 1:4 mix cement mortar of 12mm thick with recron 3S with lime washing three or more coats, complete as per the direction of the Engineer- in- Charge.

Providing and Laying Plum concrete in 1:2:4 c.c. (1cement, 2coarse sand, 4clean hard graded stone chips of 20 mm down nominal gauge) with 70% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing complete, as per the direction of Engineer in Charge.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification(granular materials)

Filling work with excavated earth

Providing of Painting of bridges structure.

Providing and applying priming coat with ready mixed Red oxide, Zinc chromate primer on steel / galvanized Iron steel works including preparation of the surface complete.

Providing and painting with Aluminum paint two or more coats on new surface to give an even shade including cleaning and preparing the surface complete. New surface

Supplying/fitting / fixng of POT bearing all complete.

STEEL PARTS

Fabrication & Supply of Standard 30 Mtr. Clear Span Steel Bridge - Double Lane of 70 R loading (Width 8.5 mtr. and Carriage Way 7.5 mtr suitable for RCC Decking) over samroong kyong river including Erection / Launching in position Steel Bridge. Scaffolding / Loading - Unloading , Carriage up to Work site, etc. All complete.

UPGRADATION OF 2.5KM SBS ROAD FROM MANTAM TO BRIDGE POINT AT KAYEM ( 4890M-7390M) IN UPPER DZONGU,NORTH SIKKIM.

HILL CUTTING

Excavation in hilly areas in hard rock requiring blasting, by Manual means including trimming of slopes and collection of 40% of cut material and disposal of rest of the materials with all lifts and lead upto 50 meters.

Throwing of spoil by mechanical means obtained from hill cutting

PROTECTIVE WORKS:-

Earthwork in excavation in all kinds of soils in foundation trenches including dressing of all sides, watering and ramming including disposal of excavated earth up to 30m lead and lift up to 1.5m, disposed earth to be leveled and neatly dressed as per the direction of Engineer - in - charge all complete.

Excavation in hilly areas in hard rock requiring blasting, by Manual means including trimming of slopes and collection of 40% of cut material and disposal of rest of the materials with all lifts and lead upto 50 meters.

Providing and laying. coarse Rubble Stone Masonry in 1:4:8 c.c. ( 1 cement, 4 sand, 8 clean hard graded stone chips of size 40mm and down) including bond stone, through stone of size 150mm x 150mm x 450mm manufactured in 1:4:8 (1cement, 4 clean coarse sand, 8 clean hard stone aggregate of size 40 mm and down), and curing etc, complete as per the direction of Engineer in Charge

Providing and Laying Plum concrete in 1:2:4 c.c. (1cement, 2coarse sand, 4clean hard graded stone chips of 20 mm down nominal gauge) with 50% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing complete, as per the direction of Engineer in Charge.

CRASH BARRIER

Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 810)

PAVEMENT WORKS

Preparation and surface treatment of formation by removing mud and slurry, watering to the extent needed to maintain the desired moisture content, trimming to the required line, grade, profile and rolling with 8-10 tonne smooth wheeled roller, complete as

Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres.

Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement.

Compacting original ground supporting subgrade (Loosening of the ground upto a level of500 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of table 300-2 for subgrade construction.)

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.)WBM-I

Wet Mix Macadam (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.)

Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate shown in 500-1 using mechanical means.)

Bituminous Macadam (Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction)

Tack coat (Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at required rate on the prepared bituminous/granular surface cleaned with mechanical broom.)

Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 509 complete in all respects)

DRAINAGE WORKS

Providing box drain of 30 cm (ht) x 45 cm (width) internal dimension with 1:2:4 Plum concrete (20mm & down) in side walls thickness of 23 cm (hill side) and 30 cm (road side) and 1:3:6 (20 mm & down) base concrete of thickness of 15 cm with standard specification over 15 cm stone soling including providing & laying guard stones complete, as per the direction of the Engineer in Charge.

Providing box drain of 60 cm (ht) x 45 cm (width) of internal dimension with 1:2:4 Plum concrete (40mm & down) side wall thickness of 23 cm (hill side) and 30 cm (road side) with1:3:6 (20 mm & down) base concrete of thickness of 15 cm with standard specification over 15 cm stone soling including providing & laying guard stones, complete as per the direction of the Engineer-in-Charge.

CROSS DRAIN (6 Nos)

Earthwork in excavation in all kinds of soils in foundation trenches including watering and ramming, disposing etc all complete.

Providing and laying cement concrete in 1:2:4 mix including curing compaction etc all complete.

Providing and Laying Plum concrete in 1:2:4 c.c. with 50% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing etc complete.

Providing and laying in position 1:1.5:3 RCC including compacting, curing etc, complete.

Supplying, bending and placing in position tor steel reinforcements in all RCC works including cost of binding wires etc all complete

Providing, fixing and removing of form works for RCC works with locally available timber all complete.

CULVERT 3 M Span (5 Nos)

Earthwork in excavation in all kinds of soils in foundation trenches including watering and ramming, disposing etc all complete.

Providing and laying cement concrete in 1:2:4 mix including curing compaction etc all complete.

Providing and Laying Plum concrete in 1:2:4 c.c. with 50% clean hard stone of sizes not exceeding 15cm including shuttering, compacting and curing etc complete.

Providing and laying in position 1:1.5:3 RCC including compacting, curing etc, complete.

Supplying, bending and placing in position tor steel reinforcements in all RCC works including cost of binding wires etc all complete

Providing, fixing and removing of form works for RCC works with locally available timber all complete.

parapet

Providing and Laying 12mm thick cement plasters in 1:3 mix including curing etc complete.

Mohan Bajaj

Karma Tshering Lama (Bhutia)