Strengthening improvement of Riding Quality for Dharmanagar Damcherra road portion from Chamtilla Bhallukcherra L10 Km

Amount

SITE CLEARANCE: Ref No as per SDB……………:- 2.3 (Ref No as per MoRT&H Spec………:- 201): Clearing and Grubbing Road Land. Clearing and grubbing road land including uprooting wild vegetation , grass, bushes, shrubs, saplings and trees of girth upto 300 mm , removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per MoRT&H Technical Specification clause 201.(ii) By Mechanical Means (A) In area of non-thorny jungle

EARTH WORK: Ref No as per SDB……………:- 3.1: Ref No as per MoRT&H Spec………:- 300: Excavation in Soil by Manual Means.(i) Excavation in Roadway cutting in soil by using manual means including loading in truck and carrying of cut earth to embankment site with all lifts and lead upto 1000 metre as per MoRT&H Technical Specification clauses of section 300.

Ref No as per SDB……………:- 3.16 : Ref No as per MoRT&H Spec………:- 300: Construction of Embankment with Material Obtained from Borrow Pits: Construction of embankment with approved material obtained from borrow pits with all lifts, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per MoRT&H Technical Specification clauses of section 300.

Maintenance of Earthen shoulder (Stripping of excess soil): Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor at OMC as per drawing and MoRT&H technical specification Clause 3003.

Land Slide Clearance in soil Clearance of land slides in soil and ordinary rock by a bull-dozer D 80 A-12, 180 HP and disposal of the same on the valley side as per MoRT&H technical specification Clause 3000

PROTECTION WORK: Excavation for Structures:Earthwork in excavation for structures as per drawing and MoRT&H technical specifications Clause 304 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. (I) Ordinary soil(A) Manual Means (i) upto 3 m depth

Sand Filling in foundation trenches as per drawing & MoRT&H technical specification clause 304.

PCC 1:3:6 in Foundation :Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days as per drawings & MoRT&H technical specifications Clauses 2100. (including centering, shuttering, staging etc. but excluding reinforcement)

Plain/reinforced cement concrete in sub structure complete i/c formwork as pr drawing & MoRT&H technical specification clauses 1500, 1700, 2200. (V) RCC M20 Grade a. upto 5 m height case-I : Using Concrete mixer

b. For height above 5 m upto 10 m case-I : Using Concrete mixer

Supplying, fitting and placing un-coated Twisted steel / deformed bars reinforcement in substructure complete as per drawing and MoRT&H technical specifications Clauses 1600, 2200

Providing weepholes in brick masonry/ stone masonry, plain / reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe or PVC pipe (110 mm OD of 6.0 Kg/cm2 pressure) extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and MoRT&H technical specification clauses 2706, 2200.

Providing & laying filter media with jhama brick aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil & bigger size towards the wall & providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and MoRT&H technical specification clause 2504.2.2

Providing and laying of apron with cement concrete blocks of size 0.5 x 0.5 x 0.5 m cast in-situ and made with nominal mix of M 15 grade cement concrete with a minimum cement content of 250 kg/cum as per IRC: 21-2000 as per drawings & MoRT&H technical specifications Clauses 2503.

Construction of unlined surface drain of average cross sectional area 0.40 sqm in ordinary soil to specified lines grades levels and dimensions as per MoRT&H technical specification clauses of section 300. Excaveted materials to be used in embankment with a lift upto 3m and lead of 50m ( average lead 25m).(A) By Mechanical Means

Construction of road side pucca drain with M10 (1:3:6 with jhama brick aggregate) to specified lines, grades, levels and dimensions as per approved design and MoRD Technical Specification Clause 307, 1606. Excavated material to be used in embankment at site. (including centering, shuttering, etc. but excluding reinforcement) D. U shaped drain (top clear width 600 mm, bottom clear width 600 mm and clear depth of 600 mm: I. In Ordinary Soil

Brick masonry work in cement mortar in foundation completed excluding pointing & plastering as per drawing & MoRT&H technical specifications Clauses 1300& 2200. (III)Brick masonry in 1:4 cement mortar

Plastering with cement mortar 15 mm thick on brickwork in substructure as per MoRT&H technical specification Clauses 1300 & 2200 (II) In 1:4 cement mortar

Water Bound Macadam Sub-Base / Base: Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 KN static roller / vibratory roller in stages to proper grade and camber, applying and brooming, stone screening and binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density as per MoRT&H Technical Specification Clause 404.3) WBM Grading III A )By Manual Means

BASES AND SURFACE COURSES (Bituminous): Prime Coat: Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.6 kg/sqm using mechanical means as per MoRT&H Technical Specification Clause 502.

Tack Coat: Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion pressure distributor at the rate of 0.20kg/sqm on the prepared bituminous /granular surface cleand with hydraulic broom as per MORT&H technical specification clause 503.

Dense Graded Bituminous Macadam: Providing and laying dense graded bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5 per cent by weight of total 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 MoRT&H specification clause No. 507 complete in all respects.(B) Grading II i. With Viscosity Graded Bitumen of VG-30.

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 per cent 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 MORT&H specification clause No. 509 complete in all respects.(B) Grading-II i. With Viscosity Graded Bitumen of VG-30

TRAFFIC SIGNS, MARKINGS & OTHER ROAD APPURTENANCES: Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of high intensity grade shetting vide MoRT&H technical specification Clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and MoRT&H Technical Specification Clause 801.(ii) with 600 mm equilateral triangle

(iii) With 600 mm circular

(v) with 600 x 450 mm rectangular

Direction and Place Identification signs upto 0.9 sqm size board:Providing and erecting direction and place identification retroreflectorised sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and MoRT&H Technical Specification Clause 801.

Road Marking strips (retrro-reflective) of specified shade/ colour using Hot Applied Thermoplastic material with Reflectorising Glass Beads on Bituminous Surface: Providing and applying 2.5 mm thick road marking strips (retro-reflective) of specified shade/colour using hot thermoplast material including reflectorising glass beads @ 250 gms per sqm area by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, peopane tank heater and profile shoe heater including cost of cleaning the road surface of all dirt, seals, oil, grease and foreign material etc, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 . The finished surface to be level, uniform and free from streaks and holes. as per MoRT&H Technical Specification Clause 803.

Kilometre Stone: Reinforced cement concrete M 15 grade kilometre stone of standard design as per IRC:8, fixing in position including painting and printing, etc. as per drawing and MoRT&H Technical Specification Clause 804.

Road Delineators: Providing and installation of delineators (road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide strips, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and conforming toIRC-79 and the drawings and as per MoRT&H Technical Specification Clause 805.

Road Markers/Road Stud with Lense Reflector: Providing and fixing of road stud 100x 100 mm, die-cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling hole 30 mm upto a depth of 60 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS 873 part 4:1973

Object Hazard Marking Traffic Signs: Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of high intensity grade shetting vide MoRT&H technical specification Clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and MoRT&H Technical Specification Clause 801. (i) 900 mm X 300 mm rectangular object hazard marking traffic signs (i) 900 mm X 300 mm rectangular object hazard marking traffic signs

MISCELLANEOUS ITEMS:Providing and placing gunny/ polythene (of minimum wall thickness of 500 nmicron) bags filled with sand (of minimum qty of 0.034 cum) and properly manually stitched to avoid any leakage of sand as per specification.

SBA Construction PVT Limited

DIPAK NAG